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48 files changed, 4683 insertions, 0 deletions
diff --git a/libconfig/example.cfg b/libconfig/example.cfg new file mode 100644 index 0000000..03b73e6 --- /dev/null +++ b/libconfig/example.cfg @@ -0,0 +1,46 @@ +// An example configuration file that stores information about a store. + +// Basic store information: +name = "Books, Movies & More"; + +// Store inventory: +inventory = + { + books = ( { title = "Treasure Island"; + author = "Robert Louis Stevenson"; + price = 29.99; + qty = 5; }, + { title = "Snow Crash"; + author = "Neal Stephenson"; + price = 9.99; + qty = 8; } + ); + + movies = ( { title = "Brazil"; + media = "DVD"; + price = 19.99; + qty = 11; }, + { title = "The City of Lost Children"; + media = "DVD"; + price = 18.99; + qty = 5; }, + { title = "Memento"; + media = "Blu-Ray"; + price = 24.99; + qty = 20; + }, + { title = "Howard the Duck"; } + ); +}; + +// Store hours: +hours = +{ + mon = { open = 9; close = 18; }; + tue = { open = 9; close = 18; }; + wed = { open = 9; close = 18; }; + thu = { open = 9; close = 18; }; + fri = { open = 9; close = 20; }; + sat = { open = 9; close = 20; }; + sun = { open = 11; close = 16; }; +}; diff --git a/libconfig/example1.c b/libconfig/example1.c new file mode 100644 index 0000000..56661f3 --- /dev/null +++ b/libconfig/example1.c @@ -0,0 +1,117 @@ +/* ---------------------------------------------------------------------------- + libconfig - A library for processing structured configuration files + Copyright (C) 2005-2010 Mark A Lindner + + This file is part of libconfig. + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public License + as published by the Free Software Foundation; either version 2.1 of + the License, or (at your option) any later version. + + This library is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with this library; if not, see + <http://www.gnu.org/licenses/>. + ---------------------------------------------------------------------------- +*/ + +// gcc `pkg-config --cflags libconfig` example1.c -o myprogram `pkg-config --libs libconfig` + +#include <stdio.h> +#include <stdlib.h> +#include <libconfig.h> + +/* This example reads the configuration file 'example.cfg' and displays + * some of its contents. + */ + +int main(int argc, char **argv) +{ + config_t cfg; + config_setting_t *setting; + const char *str; + + config_init(&cfg); + + /* Read the file. If there is an error, report it and exit. */ + if(! config_read_file(&cfg, "example.cfg")) + { + fprintf(stderr, "%s:%d - %s\n", config_error_file(&cfg), + config_error_line(&cfg), config_error_text(&cfg)); + config_destroy(&cfg); + return(EXIT_FAILURE); + } + + /* Get the store name. */ + if(config_lookup_string(&cfg, "name", &str)) + printf("Store name: %s\n\n", str); + else + fprintf(stderr, "No 'name' setting in configuration file.\n"); + + /* Output a list of all books in the inventory. */ + setting = config_lookup(&cfg, "inventory.books"); + if(setting != NULL) + { + int count = config_setting_length(setting); + int i; + + printf("%-30s %-30s %-6s %s\n", "TITLE", "AUTHOR", "PRICE", "QTY"); + + for(i = 0; i < count; ++i) + { + config_setting_t *book = config_setting_get_elem(setting, i); + + /* Only output the record if all of the expected fields are present. */ + const char *title, *author; + double price; + int qty; + + if(!(config_setting_lookup_string(book, "title", &title) + && config_setting_lookup_string(book, "author", &author) + && config_setting_lookup_float(book, "price", &price) + && config_setting_lookup_int(book, "qty", &qty))) + continue; + + printf("%-30s %-30s $%6.2f %3d\n", title, author, price, qty); + } + putchar('\n'); + } + + /* Output a list of all movies in the inventory. */ + setting = config_lookup(&cfg, "inventory.movies"); + if(setting != NULL) + { + unsigned int count = config_setting_length(setting); + unsigned int i; + + printf("%-30s %-10s %-6s %s\n", "TITLE", "MEDIA", "PRICE", "QTY"); + for(i = 0; i < count; ++i) + { + config_setting_t *movie = config_setting_get_elem(setting, i); + + /* Only output the record if all of the expected fields are present. */ + const char *title, *media; + double price; + int qty; + + if(!(config_setting_lookup_string(movie, "title", &title) + && config_setting_lookup_string(movie, "media", &media) + && config_setting_lookup_float(movie, "price", &price) + && config_setting_lookup_int(movie, "qty", &qty))) + continue; + + printf("%-30s %-10s $%6.2f %3d\n", title, media, price, qty); + } + putchar('\n'); + } + + config_destroy(&cfg); + return(EXIT_SUCCESS); +} + +/* eof */ diff --git a/libconfig/jmccrohan-example.c b/libconfig/jmccrohan-example.c new file mode 100644 index 0000000..1dbb6da --- /dev/null +++ b/libconfig/jmccrohan-example.c @@ -0,0 +1,93 @@ +// gcc `pkg-config --cflags libconfig` example1.c -o myprogram `pkg-config --libs libconfig` + +#include <stdio.h> +#include <stdlib.h> +#include <libconfig.h> + +#define CONFIG_FILE jmccrohan-example.cfg + +int main(int argc, char **argv) +{ + config_t cfg; + config_setting_t *setting; + const char *str; + + config_init(&cfg); + + /* Read the file. If there is an error, report it and exit. */ + if(! config_read_file(&cfg, "CONFIG_FILE")) + { + fprintf(stderr, "%s:%d - %s\n", config_error_file(&cfg), + config_error_line(&cfg), config_error_text(&cfg)); + config_destroy(&cfg); + return(EXIT_FAILURE); + } + + /* Get the store name. */ + if(config_lookup_string(&cfg, "version", &str)) + printf("Store name: %s\n\n", str); + else + fprintf(stderr, "No 'version' setting in configuration file.\n"); + + /* Output a list of all books in the inventory. */ + setting = config_lookup(&cfg, "inventory.books"); + if(setting != NULL) + { + int count = config_setting_length(setting); + int i; + + printf("%-30s %-30s %-6s %s\n", "TITLE", "AUTHOR", "PRICE", "QTY"); + + for(i = 0; i < count; ++i) + { + config_setting_t *book = config_setting_get_elem(setting, i); + + /* Only output the record if all of the expected fields are present. */ + const char *title, *author; + double price; + int qty; + + if(!(config_setting_lookup_string(book, "title", &title) + && config_setting_lookup_string(book, "author", &author) + && config_setting_lookup_float(book, "price", &price) + && config_setting_lookup_int(book, "qty", &qty))) + continue; + + printf("%-30s %-30s $%6.2f %3d\n", title, author, price, qty); + } + putchar('\n'); + } + + /* Output a list of all movies in the inventory. */ + setting = config_lookup(&cfg, "inventory.movies"); + if(setting != NULL) + { + unsigned int count = config_setting_length(setting); + unsigned int i; + + printf("%-30s %-10s %-6s %s\n", "TITLE", "MEDIA", "PRICE", "QTY"); + for(i = 0; i < count; ++i) + { + config_setting_t *movie = config_setting_get_elem(setting, i); + + /* Only output the record if all of the expected fields are present. */ + const char *title, *media; + double price; + int qty; + + if(!(config_setting_lookup_string(movie, "title", &title) + && config_setting_lookup_string(movie, "media", &media) + && config_setting_lookup_float(movie, "price", &price) + && config_setting_lookup_int(movie, "qty", &qty))) + continue; + + printf("%-30s %-10s $%6.2f %3d\n", title, media, price, qty); + } + putchar('\n'); + } + + config_destroy(&cfg); + return(EXIT_SUCCESS); +} + +/* eof */ diff --git a/libconfig/jmccrohan-example.cfg b/libconfig/jmccrohan-example.cfg new file mode 100644 index 0000000..b217dfb --- /dev/null +++ b/libconfig/jmccrohan-example.cfg @@ -0,0 +1,47 @@ +// An example configuration file that stores information about a store. + +// Basic store information: +version = "0.99beta"; + +// Store inventory: +modbusdevices = +{ + monday = ( + { time = "05:00"; + author = "Robert Louis Stevenson"; + price = 29.99; + qty = 5; }, + { title = "Snow Crash"; + author = "Neal Stephenson"; + price = 9.99; + qty = 8; } + ); + + movies = ( { title = "Brazil"; + media = "DVD"; + price = 19.99; + qty = 11; }, + { title = "The City of Lost Children"; + media = "DVD"; + price = 18.99; + qty = 5; }, + { title = "Memento"; + media = "Blu-Ray"; + price = 24.99; + qty = 20; + }, + { title = "Howard the Duck"; } + ); +}; + +// Store hours: +hours = +{ + mon = { open = 9; close = 18; }; + tue = { open = 9; close = 18; }; + wed = { open = 9; close = 18; }; + thu = { open = 9; close = 18; }; + fri = { open = 9; close = 20; }; + sat = { open = 9; close = 20; }; + sun = { open = 11; close = 16; }; +}; diff --git a/libconfig/myprogram b/libconfig/myprogram Binary files differnew file mode 100755 index 0000000..8e28bdd --- /dev/null +++ b/libconfig/myprogram diff --git a/tests/.libs/bandwidth-client b/tests/.libs/bandwidth-client Binary files differnew file mode 100755 index 0000000..4d82059 --- /dev/null +++ b/tests/.libs/bandwidth-client diff --git a/tests/.libs/bandwidth-server-many-up b/tests/.libs/bandwidth-server-many-up Binary files differnew file mode 100755 index 0000000..9f3e0b5 --- /dev/null +++ b/tests/.libs/bandwidth-server-many-up diff --git a/tests/.libs/bandwidth-server-one b/tests/.libs/bandwidth-server-one Binary files differnew file mode 100755 index 0000000..f14a514 --- /dev/null +++ b/tests/.libs/bandwidth-server-one diff --git a/tests/.libs/lt-random-test-client b/tests/.libs/lt-random-test-client Binary files differnew file mode 100755 index 0000000..168d3c4 --- /dev/null +++ b/tests/.libs/lt-random-test-client diff --git a/tests/.libs/lt-unit-test-client b/tests/.libs/lt-unit-test-client Binary files differnew file mode 100755 index 0000000..72c8ca1 --- /dev/null +++ b/tests/.libs/lt-unit-test-client diff --git a/tests/.libs/lt-unit-test-server b/tests/.libs/lt-unit-test-server Binary files differnew file mode 100755 index 0000000..4a6d570 --- /dev/null +++ b/tests/.libs/lt-unit-test-server diff --git a/tests/.libs/lt-version b/tests/.libs/lt-version Binary files differnew file mode 100755 index 0000000..7b81ff1 --- /dev/null +++ b/tests/.libs/lt-version diff --git a/tests/.libs/random-test-client b/tests/.libs/random-test-client Binary files differnew file mode 100755 index 0000000..17d9c36 --- /dev/null +++ b/tests/.libs/random-test-client diff --git a/tests/.libs/random-test-server b/tests/.libs/random-test-server Binary files differnew file mode 100755 index 0000000..d0d9010 --- /dev/null +++ b/tests/.libs/random-test-server diff --git a/tests/.libs/unit-test-client b/tests/.libs/unit-test-client Binary files differnew file mode 100755 index 0000000..4920d69 --- /dev/null +++ b/tests/.libs/unit-test-client diff --git a/tests/.libs/unit-test-server b/tests/.libs/unit-test-server Binary files differnew file mode 100755 index 0000000..6a426ab --- /dev/null +++ b/tests/.libs/unit-test-server diff --git a/tests/.libs/version b/tests/.libs/version Binary files differnew file mode 100755 index 0000000..c88ec66 --- /dev/null +++ b/tests/.libs/version diff --git a/tests/Makefile b/tests/Makefile new file mode 100644 index 0000000..88d829e --- /dev/null +++ b/tests/Makefile @@ -0,0 +1,585 @@ +# Makefile.in generated by automake 1.11.1 from Makefile.am. +# tests/Makefile. Generated from Makefile.in by configure. + +# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, +# 2003, 2004, 2005, 2006, 2007, 2008, 2009 Free Software Foundation, +# Inc. +# This Makefile.in is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY, to the extent permitted by law; without +# even the implied warranty of MERCHANTABILITY or FITNESS FOR A +# PARTICULAR PURPOSE. + + + + +pkgdatadir = $(datadir)/libmodbus +pkgincludedir = $(includedir)/libmodbus +pkglibdir = $(libdir)/libmodbus +pkglibexecdir = $(libexecdir)/libmodbus +am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd +install_sh_DATA = $(install_sh) -c -m 644 +install_sh_PROGRAM = $(install_sh) -c +install_sh_SCRIPT = $(install_sh) -c +INSTALL_HEADER = $(INSTALL_DATA) +transform = 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random-test-server.c -o random-test-server `pkg-config --libs --cflags libmodbus` + +random-test-server +----------------- +It's necessary to launch this server before run random-test-client. By +default, it receives and responses to Modbus query on the localhost +and port 1502. + +random-test-client +------------------ +This programm sends many different queries to a large range of +addresses and values to test the communication between the client and +the server. + +unit-test-server +unit-test-client +---------------- +By default, this program sends some queries with the values defined in +unit-test.h and checks the responses. These programs are useful to +test the protocol implementation. + +bandwidth-server-one +bandwidth-server-many-up +bandwidth-client +----------------------- +It returns some very useful informations about the performance of +transfert rate between the server and the client. + +- bandwidth-server-one: it can handles only one connection with a client. +- bandwidth-server-many-up: it opens a connection each time a new client asks + for, but the number of connection is limited. The same server process handles + all the connections. diff --git a/tests/bandwidth-client b/tests/bandwidth-client new file mode 100755 index 0000000..b013803 --- /dev/null +++ b/tests/bandwidth-client @@ -0,0 +1,225 @@ +#! /bin/bash + +# bandwidth-client - temporary wrapper script for .libs/bandwidth-client +# Generated by libtool (GNU libtool) 2.4 Debian-2.4-3 +# +# The bandwidth-client program cannot be directly executed until all the libtool +# libraries that it depends on are installed. +# +# This wrapper script should never be moved out of the build directory. +# If it is, it will not operate correctly. + +# Sed substitution that helps us do robust quoting. It backslashifies +# metacharacters that are still active within double-quoted strings. +sed_quote_subst='s/\([`"$\\]\)/\\\1/g' + +# Be Bourne compatible +if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then + emulate sh + NULLCMD=: + # Zsh 3.x and 4.x performs word splitting on ${1+"$@"}, which + # is contrary to our usage. Disable this feature. + alias -g '${1+"$@"}'='"$@"' + setopt NO_GLOB_SUBST +else + case `(set -o) 2>/dev/null` in *posix*) set -o posix;; esac +fi +BIN_SH=xpg4; export BIN_SH # for Tru64 +DUALCASE=1; export DUALCASE # for MKS sh + +# The HP-UX ksh and POSIX shell print the target directory to stdout +# if CDPATH is set. +(unset CDPATH) >/dev/null 2>&1 && unset CDPATH + +relink_command="(cd /home/jmccrohan/bin/libmodbus/tests; { test -z \"\${LIBRARY_PATH+set}\" || unset LIBRARY_PATH || { LIBRARY_PATH=; export LIBRARY_PATH; }; }; { test -z \"\${COMPILER_PATH+set}\" || unset COMPILER_PATH || { COMPILER_PATH=; export COMPILER_PATH; }; }; { test -z \"\${GCC_EXEC_PREFIX+set}\" || unset GCC_EXEC_PREFIX || { GCC_EXEC_PREFIX=; export GCC_EXEC_PREFIX; }; }; { test -z \"\${LD_RUN_PATH+set}\" || unset LD_RUN_PATH || { LD_RUN_PATH=; export LD_RUN_PATH; }; }; { test -z \"\${LD_LIBRARY_PATH+set}\" || unset LD_LIBRARY_PATH || { LD_LIBRARY_PATH=; export LD_LIBRARY_PATH; }; }; PATH=/usr/sbin:/usr/bin:/sbin:/bin:/usr/bin/X11; export PATH; gcc -g -O2 -g -O2 -Wall -Werror -o \$progdir/\$file bandwidth-client.o ../src/.libs/libmodbus.so -Wl,-rpath -Wl,/home/jmccrohan/bin/libmodbus/src/.libs)" + +# This environment variable determines our operation mode. +if test "$libtool_install_magic" = "%%%MAGIC variable%%%"; then + # install mode needs the following variables: + generated_by_libtool_version='2.4' + notinst_deplibs=' ../src/libmodbus.la' +else + # When we are sourced in execute mode, $file and $ECHO are already set. + if test "$libtool_execute_magic" != "%%%MAGIC variable%%%"; then + file="$0" + +# A function that is used when there is no print builtin or printf. +func_fallback_echo () +{ + eval 'cat <<_LTECHO_EOF +$1 +_LTECHO_EOF' +} + ECHO="printf %s\\n" + fi + +# Very basic option parsing. These options are (a) specific to +# the libtool wrapper, (b) are identical between the wrapper +# /script/ and the wrapper /executable/ which is used only on +# windows platforms, and (c) all begin with the string --lt- +# (application programs are unlikely to have options which match +# this pattern). +# +# There are only two supported options: --lt-debug and +# --lt-dump-script. There is, deliberately, no --lt-help. +# +# The first argument to this parsing function should be the +# script's ../libtool value, followed by no. +lt_option_debug= +func_parse_lt_options () +{ + lt_script_arg0=$0 + shift + for lt_opt + do + case "$lt_opt" in + --lt-debug) lt_option_debug=1 ;; + --lt-dump-script) + lt_dump_D=`$ECHO "X$lt_script_arg0" | /bin/sed -e 's/^X//' -e 's%/[^/]*$%%'` + test "X$lt_dump_D" = "X$lt_script_arg0" && lt_dump_D=. + lt_dump_F=`$ECHO "X$lt_script_arg0" | /bin/sed -e 's/^X//' -e 's%^.*/%%'` + cat "$lt_dump_D/$lt_dump_F" + exit 0 + ;; + --lt-*) + $ECHO "Unrecognized --lt- option: '$lt_opt'" 1>&2 + exit 1 + ;; + esac + done + + # Print the debug banner immediately: + if test -n "$lt_option_debug"; then + echo "bandwidth-client:bandwidth-client:${LINENO}: libtool wrapper (GNU libtool) 2.4 Debian-2.4-3" 1>&2 + fi +} + +# Used when --lt-debug. Prints its arguments to stdout +# (redirection is the responsibility of the caller) +func_lt_dump_args () +{ + lt_dump_args_N=1; + for lt_arg + do + $ECHO "bandwidth-client:bandwidth-client:${LINENO}: newargv[$lt_dump_args_N]: $lt_arg" + lt_dump_args_N=`expr $lt_dump_args_N + 1` + done +} + +# Core function for launching the target application +func_exec_program_core () +{ + + if test -n "$lt_option_debug"; then + $ECHO "bandwidth-client:bandwidth-client:${LINENO}: newargv[0]: $progdir/$program" 1>&2 + func_lt_dump_args ${1+"$@"} 1>&2 + fi + exec "$progdir/$program" ${1+"$@"} + + $ECHO "$0: cannot exec $program $*" 1>&2 + exit 1 +} + +# A function to encapsulate launching the target application +# Strips options in the --lt-* namespace from $@ and +# launches target application with the remaining arguments. +func_exec_program () +{ + for lt_wr_arg + do + case $lt_wr_arg in + --lt-*) ;; + *) set x "$@" "$lt_wr_arg"; shift;; + esac + shift + done + func_exec_program_core ${1+"$@"} +} + + # Parse options + func_parse_lt_options "$0" ${1+"$@"} + + # Find the directory that this script lives in. + thisdir=`$ECHO "$file" | /bin/sed 's%/[^/]*$%%'` + test "x$thisdir" = "x$file" && thisdir=. + + # Follow symbolic links until we get to the real thisdir. + file=`ls -ld "$file" | /bin/sed -n 's/.*-> //p'` + while test -n "$file"; do + destdir=`$ECHO "$file" | /bin/sed 's%/[^/]*$%%'` + + # If there was a directory component, then change thisdir. + if test "x$destdir" != "x$file"; then + case "$destdir" in + [\\/]* | [A-Za-z]:[\\/]*) thisdir="$destdir" ;; + *) thisdir="$thisdir/$destdir" ;; + esac + fi + + file=`$ECHO "$file" | /bin/sed 's%^.*/%%'` + file=`ls -ld "$thisdir/$file" | /bin/sed -n 's/.*-> //p'` + done + + # Usually 'no', except on cygwin/mingw when embedded into + # the cwrapper. + WRAPPER_SCRIPT_BELONGS_IN_OBJDIR=no + if test "$WRAPPER_SCRIPT_BELONGS_IN_OBJDIR" = "yes"; then + # special case for '.' + if test "$thisdir" = "."; then + thisdir=`pwd` + fi + # remove .libs from thisdir + case "$thisdir" in + *[\\/].libs ) thisdir=`$ECHO "$thisdir" | /bin/sed 's%[\\/][^\\/]*$%%'` ;; + .libs ) thisdir=. ;; + esac + fi + + # Try to get the absolute directory name. + absdir=`cd "$thisdir" && pwd` + test -n "$absdir" && thisdir="$absdir" + + program=lt-'bandwidth-client' + progdir="$thisdir/.libs" + + if test ! -f "$progdir/$program" || + { file=`ls -1dt "$progdir/$program" "$progdir/../$program" 2>/dev/null | /bin/sed 1q`; \ + test "X$file" != "X$progdir/$program"; }; then + + file="$$-$program" + + if test ! -d "$progdir"; then + mkdir "$progdir" + else + rm -f "$progdir/$file" + fi + + # relink executable if necessary + if test -n "$relink_command"; then + if relink_command_output=`eval $relink_command 2>&1`; then : + else + printf %s\n "$relink_command_output" >&2 + rm -f "$progdir/$file" + exit 1 + fi + fi + + mv -f "$progdir/$file" "$progdir/$program" 2>/dev/null || + { rm -f "$progdir/$program"; + mv -f "$progdir/$file" "$progdir/$program"; } + rm -f "$progdir/$file" + fi + + if test -f "$progdir/$program"; then + if test "$libtool_execute_magic" != "%%%MAGIC variable%%%"; then + # Run the actual program with our arguments. + func_exec_program ${1+"$@"} + fi + else + # The program doesn't exist. + $ECHO "$0: error: \`$progdir/$program' does not exist" 1>&2 + $ECHO "This script is just a wrapper for $program." 1>&2 + $ECHO "See the libtool documentation for more information." 1>&2 + exit 1 + fi +fi diff --git a/tests/bandwidth-client.c b/tests/bandwidth-client.c new file mode 100644 index 0000000..e9109e1 --- /dev/null +++ b/tests/bandwidth-client.c @@ -0,0 +1,220 @@ +/* + * Copyright © 2008-2010 Stéphane Raimbault <stephane.raimbault@gmail.com> + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <stdio.h> +#include <unistd.h> +#include <string.h> +#include <stdlib.h> +#include <time.h> +#include <sys/time.h> +#include <errno.h> + +#include <modbus.h> + +#define G_MSEC_PER_SEC 1000 + +uint32_t gettime_ms(void) +{ + struct timeval tv; + gettimeofday (&tv, NULL); + + return (uint32_t) tv.tv_sec * 1000 + tv.tv_usec / 1000; +} + +enum { + TCP, + RTU +}; + +/* Tests based on PI-MBUS-300 documentation */ +int main(int argc, char *argv[]) +{ + uint8_t *tab_bit; + uint16_t *tab_reg; + modbus_t *ctx; + int i; + int nb_points; + double elapsed; + uint32_t start; + uint32_t end; + uint32_t bytes; + uint32_t rate; + int rc; + int n_loop; + int use_backend; + + if (argc > 1) { + if (strcmp(argv[1], "tcp") == 0) { + use_backend = TCP; + n_loop = 100000; + } else if (strcmp(argv[1], "rtu") == 0) { + use_backend = RTU; + n_loop = 100; + } else { + printf("Usage:\n %s [tcp|rtu] - Modbus client to measure data bandwith\n\n", argv[0]); + exit(1); + } + } else { + /* By default */ + use_backend = TCP; + n_loop = 100000; + } + + if (use_backend == TCP) { + ctx = modbus_new_tcp("127.0.0.1", 1502); + } else { + ctx = modbus_new_rtu("/dev/ttyUSB1", 115200, 'N', 8, 1); + modbus_set_slave(ctx, 1); + } + if (modbus_connect(ctx) == -1) { + fprintf(stderr, "Connexion failed: %s\n", + modbus_strerror(errno)); + modbus_free(ctx); + return -1; + } + + /* Allocate and initialize the memory to store the status */ + tab_bit = (uint8_t *) malloc(MODBUS_MAX_READ_BITS * sizeof(uint8_t)); + memset(tab_bit, 0, MODBUS_MAX_READ_BITS * sizeof(uint8_t)); + + /* Allocate and initialize the memory to store the registers */ + tab_reg = (uint16_t *) malloc(MODBUS_MAX_READ_REGISTERS * sizeof(uint16_t)); + memset(tab_reg, 0, MODBUS_MAX_READ_REGISTERS * sizeof(uint16_t)); + + printf("READ BITS\n\n"); + + nb_points = MODBUS_MAX_READ_BITS; + start = gettime_ms(); + for (i=0; i<n_loop; i++) { + rc = modbus_read_bits(ctx, 0, nb_points, tab_bit); + if (rc == -1) { + fprintf(stderr, "%s\n", modbus_strerror(errno)); + return -1; + } + } + end = gettime_ms(); + elapsed = end - start; + + rate = (n_loop * nb_points) * G_MSEC_PER_SEC / (end - start); + printf("Transfert rate in points/seconds:\n"); + printf("* %d points/s\n", rate); + printf("\n"); + + bytes = n_loop * (nb_points / 8) + ((nb_points % 8) ? 1 : 0); + rate = bytes / 1024 * G_MSEC_PER_SEC / (end - start); + printf("Values:\n"); + printf("* %d x %d values\n", n_loop, nb_points); + printf("* %.3f ms for %d bytes\n", elapsed, bytes); + printf("* %d KiB/s\n", rate); + printf("\n"); + + /* TCP: Query and reponse header and values */ + bytes = 12 + 9 + (nb_points / 8) + ((nb_points % 8) ? 1 : 0); + printf("Values and TCP Modbus overhead:\n"); + printf("* %d x %d bytes\n", n_loop, bytes); + bytes = n_loop * bytes; + rate = bytes / 1024 * G_MSEC_PER_SEC / (end - start); + printf("* %.3f ms for %d bytes\n", elapsed, bytes); + printf("* %d KiB/s\n", rate); + printf("\n\n"); + + printf("READ REGISTERS\n\n"); + + nb_points = MODBUS_MAX_READ_REGISTERS; + start = gettime_ms(); + for (i=0; i<n_loop; i++) { + rc = modbus_read_registers(ctx, 0, nb_points, tab_reg); + if (rc == -1) { + fprintf(stderr, "%s\n", modbus_strerror(errno)); + return -1; + } + } + end = gettime_ms(); + elapsed = end - start; + + rate = (n_loop * nb_points) * G_MSEC_PER_SEC / (end - start); + printf("Transfert rate in points/seconds:\n"); + printf("* %d registers/s\n", rate); + printf("\n"); + + bytes = n_loop * nb_points * sizeof(uint16_t); + rate = bytes / 1024 * G_MSEC_PER_SEC / (end - start); + printf("Values:\n"); + printf("* %d x %d values\n", n_loop, nb_points); + printf("* %.3f ms for %d bytes\n", elapsed, bytes); + printf("* %d KiB/s\n", rate); + printf("\n"); + + /* TCP:Query and reponse header and values */ + bytes = 12 + 9 + (nb_points * sizeof(uint16_t)); + printf("Values and TCP Modbus overhead:\n"); + printf("* %d x %d bytes\n", n_loop, bytes); + bytes = n_loop * bytes; + rate = bytes / 1024 * G_MSEC_PER_SEC / (end - start); + printf("* %.3f ms for %d bytes\n", elapsed, bytes); + printf("* %d KiB/s\n", rate); + printf("\n\n"); + + printf("READ AND WRITE REGISTERS\n\n"); + + nb_points = MODBUS_MAX_RW_WRITE_REGISTERS; + start = gettime_ms(); + for (i=0; i<n_loop; i++) { + rc = modbus_write_and_read_registers(ctx, + 0, nb_points, tab_reg, + 0, nb_points, tab_reg); + if (rc == -1) { + fprintf(stderr, "%s\n", modbus_strerror(errno)); + return -1; + } + } + end = gettime_ms(); + elapsed = end - start; + + rate = (n_loop * nb_points) * G_MSEC_PER_SEC / (end - start); + printf("Transfert rate in points/seconds:\n"); + printf("* %d registers/s\n", rate); + printf("\n"); + + bytes = n_loop * nb_points * sizeof(uint16_t); + rate = bytes / 1024 * G_MSEC_PER_SEC / (end - start); + printf("Values:\n"); + printf("* %d x %d values\n", n_loop, nb_points); + printf("* %.3f ms for %d bytes\n", elapsed, bytes); + printf("* %d KiB/s\n", rate); + printf("\n"); + + /* TCP:Query and reponse header and values */ + bytes = 12 + 9 + (nb_points * sizeof(uint16_t)); + printf("Values and TCP Modbus overhead:\n"); + printf("* %d x %d bytes\n", n_loop, bytes); + bytes = n_loop * bytes; + rate = bytes / 1024 * G_MSEC_PER_SEC / (end - start); + printf("* %.3f ms for %d bytes\n", elapsed, bytes); + printf("* %d KiB/s\n", rate); + printf("\n"); + + /* Free the memory */ + free(tab_bit); + free(tab_reg); + + /* Close the connection */ + modbus_close(ctx); + modbus_free(ctx); + + return 0; +} diff --git a/tests/bandwidth-client.o b/tests/bandwidth-client.o Binary files differnew file mode 100644 index 0000000..9ff6b23 --- /dev/null +++ b/tests/bandwidth-client.o diff --git a/tests/bandwidth-server-many-up b/tests/bandwidth-server-many-up new file mode 100755 index 0000000..85a88ea --- /dev/null +++ b/tests/bandwidth-server-many-up @@ -0,0 +1,225 @@ +#! /bin/bash + +# bandwidth-server-many-up - temporary wrapper script for .libs/bandwidth-server-many-up +# Generated by libtool (GNU libtool) 2.4 Debian-2.4-3 +# +# The bandwidth-server-many-up program cannot be directly executed until all the libtool +# libraries that it depends on are installed. +# +# This wrapper script should never be moved out of the build directory. +# If it is, it will not operate correctly. + +# Sed substitution that helps us do robust quoting. It backslashifies +# metacharacters that are still active within double-quoted strings. +sed_quote_subst='s/\([`"$\\]\)/\\\1/g' + +# Be Bourne compatible +if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then + emulate sh + NULLCMD=: + # Zsh 3.x and 4.x performs word splitting on ${1+"$@"}, which + # is contrary to our usage. Disable this feature. + alias -g '${1+"$@"}'='"$@"' + setopt NO_GLOB_SUBST +else + case `(set -o) 2>/dev/null` in *posix*) set -o posix;; esac +fi +BIN_SH=xpg4; export BIN_SH # for Tru64 +DUALCASE=1; export DUALCASE # for MKS sh + +# The HP-UX ksh and POSIX shell print the target directory to stdout +# if CDPATH is set. +(unset CDPATH) >/dev/null 2>&1 && unset CDPATH + +relink_command="(cd /home/jmccrohan/bin/libmodbus/tests; { test -z \"\${LIBRARY_PATH+set}\" || unset LIBRARY_PATH || { LIBRARY_PATH=; export LIBRARY_PATH; }; }; { test -z \"\${COMPILER_PATH+set}\" || unset COMPILER_PATH || { COMPILER_PATH=; export COMPILER_PATH; }; }; { test -z \"\${GCC_EXEC_PREFIX+set}\" || unset GCC_EXEC_PREFIX || { GCC_EXEC_PREFIX=; export GCC_EXEC_PREFIX; }; }; { test -z \"\${LD_RUN_PATH+set}\" || unset LD_RUN_PATH || { LD_RUN_PATH=; export LD_RUN_PATH; }; }; { test -z \"\${LD_LIBRARY_PATH+set}\" || unset LD_LIBRARY_PATH || { LD_LIBRARY_PATH=; export LD_LIBRARY_PATH; }; }; PATH=/usr/sbin:/usr/bin:/sbin:/bin:/usr/bin/X11; export PATH; gcc -g -O2 -g -O2 -Wall -Werror -o \$progdir/\$file bandwidth-server-many-up.o ../src/.libs/libmodbus.so -Wl,-rpath -Wl,/home/jmccrohan/bin/libmodbus/src/.libs)" + +# This environment variable determines our operation mode. +if test "$libtool_install_magic" = "%%%MAGIC variable%%%"; then + # install mode needs the following variables: + generated_by_libtool_version='2.4' + notinst_deplibs=' ../src/libmodbus.la' +else + # When we are sourced in execute mode, $file and $ECHO are already set. + if test "$libtool_execute_magic" != "%%%MAGIC variable%%%"; then + file="$0" + +# A function that is used when there is no print builtin or printf. +func_fallback_echo () +{ + eval 'cat <<_LTECHO_EOF +$1 +_LTECHO_EOF' +} + ECHO="printf %s\\n" + fi + +# Very basic option parsing. These options are (a) specific to +# the libtool wrapper, (b) are identical between the wrapper +# /script/ and the wrapper /executable/ which is used only on +# windows platforms, and (c) all begin with the string --lt- +# (application programs are unlikely to have options which match +# this pattern). +# +# There are only two supported options: --lt-debug and +# --lt-dump-script. There is, deliberately, no --lt-help. +# +# The first argument to this parsing function should be the +# script's ../libtool value, followed by no. +lt_option_debug= +func_parse_lt_options () +{ + lt_script_arg0=$0 + shift + for lt_opt + do + case "$lt_opt" in + --lt-debug) lt_option_debug=1 ;; + --lt-dump-script) + lt_dump_D=`$ECHO "X$lt_script_arg0" | /bin/sed -e 's/^X//' -e 's%/[^/]*$%%'` + test "X$lt_dump_D" = "X$lt_script_arg0" && lt_dump_D=. + lt_dump_F=`$ECHO "X$lt_script_arg0" | /bin/sed -e 's/^X//' -e 's%^.*/%%'` + cat "$lt_dump_D/$lt_dump_F" + exit 0 + ;; + --lt-*) + $ECHO "Unrecognized --lt- option: '$lt_opt'" 1>&2 + exit 1 + ;; + esac + done + + # Print the debug banner immediately: + if test -n "$lt_option_debug"; then + echo "bandwidth-server-many-up:bandwidth-server-many-up:${LINENO}: libtool wrapper (GNU libtool) 2.4 Debian-2.4-3" 1>&2 + fi +} + +# Used when --lt-debug. Prints its arguments to stdout +# (redirection is the responsibility of the caller) +func_lt_dump_args () +{ + lt_dump_args_N=1; + for lt_arg + do + $ECHO "bandwidth-server-many-up:bandwidth-server-many-up:${LINENO}: newargv[$lt_dump_args_N]: $lt_arg" + lt_dump_args_N=`expr $lt_dump_args_N + 1` + done +} + +# Core function for launching the target application +func_exec_program_core () +{ + + if test -n "$lt_option_debug"; then + $ECHO "bandwidth-server-many-up:bandwidth-server-many-up:${LINENO}: newargv[0]: $progdir/$program" 1>&2 + func_lt_dump_args ${1+"$@"} 1>&2 + fi + exec "$progdir/$program" ${1+"$@"} + + $ECHO "$0: cannot exec $program $*" 1>&2 + exit 1 +} + +# A function to encapsulate launching the target application +# Strips options in the --lt-* namespace from $@ and +# launches target application with the remaining arguments. +func_exec_program () +{ + for lt_wr_arg + do + case $lt_wr_arg in + --lt-*) ;; + *) set x "$@" "$lt_wr_arg"; shift;; + esac + shift + done + func_exec_program_core ${1+"$@"} +} + + # Parse options + func_parse_lt_options "$0" ${1+"$@"} + + # Find the directory that this script lives in. + thisdir=`$ECHO "$file" | /bin/sed 's%/[^/]*$%%'` + test "x$thisdir" = "x$file" && thisdir=. + + # Follow symbolic links until we get to the real thisdir. + file=`ls -ld "$file" | /bin/sed -n 's/.*-> //p'` + while test -n "$file"; do + destdir=`$ECHO "$file" | /bin/sed 's%/[^/]*$%%'` + + # If there was a directory component, then change thisdir. + if test "x$destdir" != "x$file"; then + case "$destdir" in + [\\/]* | [A-Za-z]:[\\/]*) thisdir="$destdir" ;; + *) thisdir="$thisdir/$destdir" ;; + esac + fi + + file=`$ECHO "$file" | /bin/sed 's%^.*/%%'` + file=`ls -ld "$thisdir/$file" | /bin/sed -n 's/.*-> //p'` + done + + # Usually 'no', except on cygwin/mingw when embedded into + # the cwrapper. + WRAPPER_SCRIPT_BELONGS_IN_OBJDIR=no + if test "$WRAPPER_SCRIPT_BELONGS_IN_OBJDIR" = "yes"; then + # special case for '.' + if test "$thisdir" = "."; then + thisdir=`pwd` + fi + # remove .libs from thisdir + case "$thisdir" in + *[\\/].libs ) thisdir=`$ECHO "$thisdir" | /bin/sed 's%[\\/][^\\/]*$%%'` ;; + .libs ) thisdir=. ;; + esac + fi + + # Try to get the absolute directory name. + absdir=`cd "$thisdir" && pwd` + test -n "$absdir" && thisdir="$absdir" + + program=lt-'bandwidth-server-many-up' + progdir="$thisdir/.libs" + + if test ! -f "$progdir/$program" || + { file=`ls -1dt "$progdir/$program" "$progdir/../$program" 2>/dev/null | /bin/sed 1q`; \ + test "X$file" != "X$progdir/$program"; }; then + + file="$$-$program" + + if test ! -d "$progdir"; then + mkdir "$progdir" + else + rm -f "$progdir/$file" + fi + + # relink executable if necessary + if test -n "$relink_command"; then + if relink_command_output=`eval $relink_command 2>&1`; then : + else + printf %s\n "$relink_command_output" >&2 + rm -f "$progdir/$file" + exit 1 + fi + fi + + mv -f "$progdir/$file" "$progdir/$program" 2>/dev/null || + { rm -f "$progdir/$program"; + mv -f "$progdir/$file" "$progdir/$program"; } + rm -f "$progdir/$file" + fi + + if test -f "$progdir/$program"; then + if test "$libtool_execute_magic" != "%%%MAGIC variable%%%"; then + # Run the actual program with our arguments. + func_exec_program ${1+"$@"} + fi + else + # The program doesn't exist. + $ECHO "$0: error: \`$progdir/$program' does not exist" 1>&2 + $ECHO "This script is just a wrapper for $program." 1>&2 + $ECHO "See the libtool documentation for more information." 1>&2 + exit 1 + fi +fi diff --git a/tests/bandwidth-server-many-up.c b/tests/bandwidth-server-many-up.c new file mode 100644 index 0000000..02968c1 --- /dev/null +++ b/tests/bandwidth-server-many-up.c @@ -0,0 +1,143 @@ +/* + * Copyright © 2009-2010 Stéphane Raimbault <stephane.raimbault@gmail.com> + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <stdio.h> +#include <unistd.h> +#include <string.h> +#include <stdlib.h> +#include <errno.h> +#include <signal.h> + +#include <modbus.h> + +#if defined(_WIN32) +#include <ws2tcpip.h> +#else +#include <sys/socket.h> +#include <netinet/in.h> +#include <arpa/inet.h> +#endif + +#define NB_CONNECTION 5 + +modbus_t *ctx = NULL; +int server_socket; +modbus_mapping_t *mb_mapping; + +static void close_sigint(int dummy) +{ + close(server_socket); + modbus_free(ctx); + modbus_mapping_free(mb_mapping); + + exit(dummy); +} + +int main(void) +{ + int master_socket; + int rc; + fd_set refset; + fd_set rdset; + + /* Maximum file descriptor number */ + int fdmax; + + ctx = modbus_new_tcp("127.0.0.1", 1502); + + mb_mapping = modbus_mapping_new(MODBUS_MAX_READ_BITS, 0, + MODBUS_MAX_READ_REGISTERS, 0); + if (mb_mapping == NULL) { + fprintf(stderr, "Failed to allocate the mapping: %s\n", + modbus_strerror(errno)); + modbus_free(ctx); + return -1; + } + + server_socket = modbus_tcp_listen(ctx, NB_CONNECTION); + + signal(SIGINT, close_sigint); + + /* Clear the reference set of socket */ + FD_ZERO(&refset); + /* Add the server socket */ + FD_SET(server_socket, &refset); + + /* Keep track of the max file descriptor */ + fdmax = server_socket; + + for (;;) { + rdset = refset; + if (select(fdmax+1, &rdset, NULL, NULL, NULL) == -1) { + perror("Server select() failure."); + close_sigint(1); + } + + /* Run through the existing connections looking for data to be + * read */ + for (master_socket = 0; master_socket <= fdmax; master_socket++) { + + if (FD_ISSET(master_socket, &rdset)) { + if (master_socket == server_socket) { + /* A client is asking a new connection */ + socklen_t addrlen; + struct sockaddr_in clientaddr; + int newfd; + + /* Handle new connections */ + addrlen = sizeof(clientaddr); + memset(&clientaddr, 0, sizeof(clientaddr)); + newfd = accept(server_socket, (struct sockaddr *)&clientaddr, &addrlen); + if (newfd == -1) { + perror("Server accept() error"); + } else { + FD_SET(newfd, &refset); + + if (newfd > fdmax) { + /* Keep track of the maximum */ + fdmax = newfd; + } + printf("New connection from %s:%d on socket %d\n", + inet_ntoa(clientaddr.sin_addr), clientaddr.sin_port, newfd); + } + } else { + /* An already connected master has sent a new query */ + uint8_t query[MODBUS_TCP_MAX_ADU_LENGTH]; + + modbus_set_socket(ctx, master_socket); + rc = modbus_receive(ctx, query); + if (rc != -1) { + modbus_reply(ctx, query, rc, mb_mapping); + } else { + /* Connection closed by the client, end of server */ + printf("Connection closed on socket %d\n", master_socket); + close(master_socket); + + /* Remove from reference set */ + FD_CLR(master_socket, &refset); + + if (master_socket == fdmax) { + fdmax--; + } + } + } + } + } + } + + return 0; +} diff --git a/tests/bandwidth-server-many-up.o b/tests/bandwidth-server-many-up.o Binary files differnew file mode 100644 index 0000000..0b6254d --- /dev/null +++ b/tests/bandwidth-server-many-up.o diff --git a/tests/bandwidth-server-one b/tests/bandwidth-server-one new file mode 100755 index 0000000..4aa0039 --- /dev/null +++ b/tests/bandwidth-server-one @@ -0,0 +1,225 @@ +#! /bin/bash + +# bandwidth-server-one - temporary wrapper script for .libs/bandwidth-server-one +# Generated by libtool (GNU libtool) 2.4 Debian-2.4-3 +# +# The bandwidth-server-one program cannot be directly executed until all the libtool +# libraries that it depends on are installed. +# +# This wrapper script should never be moved out of the build directory. +# If it is, it will not operate correctly. + +# Sed substitution that helps us do robust quoting. It backslashifies +# metacharacters that are still active within double-quoted strings. +sed_quote_subst='s/\([`"$\\]\)/\\\1/g' + +# Be Bourne compatible +if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then + emulate sh + NULLCMD=: + # Zsh 3.x and 4.x performs word splitting on ${1+"$@"}, which + # is contrary to our usage. Disable this feature. + alias -g '${1+"$@"}'='"$@"' + setopt NO_GLOB_SUBST +else + case `(set -o) 2>/dev/null` in *posix*) set -o posix;; esac +fi +BIN_SH=xpg4; export BIN_SH # for Tru64 +DUALCASE=1; export DUALCASE # for MKS sh + +# The HP-UX ksh and POSIX shell print the target directory to stdout +# if CDPATH is set. +(unset CDPATH) >/dev/null 2>&1 && unset CDPATH + +relink_command="(cd /home/jmccrohan/bin/libmodbus/tests; { test -z \"\${LIBRARY_PATH+set}\" || unset LIBRARY_PATH || { LIBRARY_PATH=; export LIBRARY_PATH; }; }; { test -z \"\${COMPILER_PATH+set}\" || unset COMPILER_PATH || { COMPILER_PATH=; export COMPILER_PATH; }; }; { test -z \"\${GCC_EXEC_PREFIX+set}\" || unset GCC_EXEC_PREFIX || { GCC_EXEC_PREFIX=; export GCC_EXEC_PREFIX; }; }; { test -z \"\${LD_RUN_PATH+set}\" || unset LD_RUN_PATH || { LD_RUN_PATH=; export LD_RUN_PATH; }; }; { test -z \"\${LD_LIBRARY_PATH+set}\" || unset LD_LIBRARY_PATH || { LD_LIBRARY_PATH=; export LD_LIBRARY_PATH; }; }; PATH=/usr/sbin:/usr/bin:/sbin:/bin:/usr/bin/X11; export PATH; gcc -g -O2 -g -O2 -Wall -Werror -o \$progdir/\$file bandwidth-server-one.o ../src/.libs/libmodbus.so -Wl,-rpath -Wl,/home/jmccrohan/bin/libmodbus/src/.libs)" + +# This environment variable determines our operation mode. +if test "$libtool_install_magic" = "%%%MAGIC variable%%%"; then + # install mode needs the following variables: + generated_by_libtool_version='2.4' + notinst_deplibs=' ../src/libmodbus.la' +else + # When we are sourced in execute mode, $file and $ECHO are already set. + if test "$libtool_execute_magic" != "%%%MAGIC variable%%%"; then + file="$0" + +# A function that is used when there is no print builtin or printf. +func_fallback_echo () +{ + eval 'cat <<_LTECHO_EOF +$1 +_LTECHO_EOF' +} + ECHO="printf %s\\n" + fi + +# Very basic option parsing. These options are (a) specific to +# the libtool wrapper, (b) are identical between the wrapper +# /script/ and the wrapper /executable/ which is used only on +# windows platforms, and (c) all begin with the string --lt- +# (application programs are unlikely to have options which match +# this pattern). +# +# There are only two supported options: --lt-debug and +# --lt-dump-script. There is, deliberately, no --lt-help. +# +# The first argument to this parsing function should be the +# script's ../libtool value, followed by no. +lt_option_debug= +func_parse_lt_options () +{ + lt_script_arg0=$0 + shift + for lt_opt + do + case "$lt_opt" in + --lt-debug) lt_option_debug=1 ;; + --lt-dump-script) + lt_dump_D=`$ECHO "X$lt_script_arg0" | /bin/sed -e 's/^X//' -e 's%/[^/]*$%%'` + test "X$lt_dump_D" = "X$lt_script_arg0" && lt_dump_D=. + lt_dump_F=`$ECHO "X$lt_script_arg0" | /bin/sed -e 's/^X//' -e 's%^.*/%%'` + cat "$lt_dump_D/$lt_dump_F" + exit 0 + ;; + --lt-*) + $ECHO "Unrecognized --lt- option: '$lt_opt'" 1>&2 + exit 1 + ;; + esac + done + + # Print the debug banner immediately: + if test -n "$lt_option_debug"; then + echo "bandwidth-server-one:bandwidth-server-one:${LINENO}: libtool wrapper (GNU libtool) 2.4 Debian-2.4-3" 1>&2 + fi +} + +# Used when --lt-debug. Prints its arguments to stdout +# (redirection is the responsibility of the caller) +func_lt_dump_args () +{ + lt_dump_args_N=1; + for lt_arg + do + $ECHO "bandwidth-server-one:bandwidth-server-one:${LINENO}: newargv[$lt_dump_args_N]: $lt_arg" + lt_dump_args_N=`expr $lt_dump_args_N + 1` + done +} + +# Core function for launching the target application +func_exec_program_core () +{ + + if test -n "$lt_option_debug"; then + $ECHO "bandwidth-server-one:bandwidth-server-one:${LINENO}: newargv[0]: $progdir/$program" 1>&2 + func_lt_dump_args ${1+"$@"} 1>&2 + fi + exec "$progdir/$program" ${1+"$@"} + + $ECHO "$0: cannot exec $program $*" 1>&2 + exit 1 +} + +# A function to encapsulate launching the target application +# Strips options in the --lt-* namespace from $@ and +# launches target application with the remaining arguments. +func_exec_program () +{ + for lt_wr_arg + do + case $lt_wr_arg in + --lt-*) ;; + *) set x "$@" "$lt_wr_arg"; shift;; + esac + shift + done + func_exec_program_core ${1+"$@"} +} + + # Parse options + func_parse_lt_options "$0" ${1+"$@"} + + # Find the directory that this script lives in. + thisdir=`$ECHO "$file" | /bin/sed 's%/[^/]*$%%'` + test "x$thisdir" = "x$file" && thisdir=. + + # Follow symbolic links until we get to the real thisdir. + file=`ls -ld "$file" | /bin/sed -n 's/.*-> //p'` + while test -n "$file"; do + destdir=`$ECHO "$file" | /bin/sed 's%/[^/]*$%%'` + + # If there was a directory component, then change thisdir. + if test "x$destdir" != "x$file"; then + case "$destdir" in + [\\/]* | [A-Za-z]:[\\/]*) thisdir="$destdir" ;; + *) thisdir="$thisdir/$destdir" ;; + esac + fi + + file=`$ECHO "$file" | /bin/sed 's%^.*/%%'` + file=`ls -ld "$thisdir/$file" | /bin/sed -n 's/.*-> //p'` + done + + # Usually 'no', except on cygwin/mingw when embedded into + # the cwrapper. + WRAPPER_SCRIPT_BELONGS_IN_OBJDIR=no + if test "$WRAPPER_SCRIPT_BELONGS_IN_OBJDIR" = "yes"; then + # special case for '.' + if test "$thisdir" = "."; then + thisdir=`pwd` + fi + # remove .libs from thisdir + case "$thisdir" in + *[\\/].libs ) thisdir=`$ECHO "$thisdir" | /bin/sed 's%[\\/][^\\/]*$%%'` ;; + .libs ) thisdir=. ;; + esac + fi + + # Try to get the absolute directory name. + absdir=`cd "$thisdir" && pwd` + test -n "$absdir" && thisdir="$absdir" + + program=lt-'bandwidth-server-one' + progdir="$thisdir/.libs" + + if test ! -f "$progdir/$program" || + { file=`ls -1dt "$progdir/$program" "$progdir/../$program" 2>/dev/null | /bin/sed 1q`; \ + test "X$file" != "X$progdir/$program"; }; then + + file="$$-$program" + + if test ! -d "$progdir"; then + mkdir "$progdir" + else + rm -f "$progdir/$file" + fi + + # relink executable if necessary + if test -n "$relink_command"; then + if relink_command_output=`eval $relink_command 2>&1`; then : + else + printf %s\n "$relink_command_output" >&2 + rm -f "$progdir/$file" + exit 1 + fi + fi + + mv -f "$progdir/$file" "$progdir/$program" 2>/dev/null || + { rm -f "$progdir/$program"; + mv -f "$progdir/$file" "$progdir/$program"; } + rm -f "$progdir/$file" + fi + + if test -f "$progdir/$program"; then + if test "$libtool_execute_magic" != "%%%MAGIC variable%%%"; then + # Run the actual program with our arguments. + func_exec_program ${1+"$@"} + fi + else + # The program doesn't exist. + $ECHO "$0: error: \`$progdir/$program' does not exist" 1>&2 + $ECHO "This script is just a wrapper for $program." 1>&2 + $ECHO "See the libtool documentation for more information." 1>&2 + exit 1 + fi +fi diff --git a/tests/bandwidth-server-one.c b/tests/bandwidth-server-one.c new file mode 100644 index 0000000..e15fb69 --- /dev/null +++ b/tests/bandwidth-server-one.c @@ -0,0 +1,93 @@ +/* + * Copyright © 2008-2010 Stéphane Raimbault <stephane.raimbault@gmail.com> + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <stdio.h> +#include <unistd.h> +#include <string.h> +#include <stdlib.h> +#include <errno.h> + +#include <modbus.h> + +enum { + TCP, + RTU +}; + +int main(int argc, char *argv[]) +{ + int socket; + modbus_t *ctx; + modbus_mapping_t *mb_mapping; + int rc; + int use_backend; + + /* TCP */ + if (argc > 1) { + if (strcmp(argv[1], "tcp") == 0) { + use_backend = TCP; + } else if (strcmp(argv[1], "rtu") == 0) { + use_backend = RTU; + } else { + printf("Usage:\n %s [tcp|rtu] - Modbus client to measure data bandwith\n\n", argv[0]); + exit(1); + } + } else { + /* By default */ + use_backend = TCP; + } + + if (use_backend == TCP) { + ctx = modbus_new_tcp("127.0.0.1", 1502); + socket = modbus_tcp_listen(ctx, 1); + modbus_tcp_accept(ctx, &socket); + + } else { + ctx = modbus_new_rtu("/dev/ttyUSB0", 115200, 'N', 8, 1); + modbus_set_slave(ctx, 1); + modbus_connect(ctx); + } + + mb_mapping = modbus_mapping_new(MODBUS_MAX_READ_BITS, 0, + MODBUS_MAX_READ_REGISTERS, 0); + if (mb_mapping == NULL) { + fprintf(stderr, "Failed to allocate the mapping: %s\n", + modbus_strerror(errno)); + modbus_free(ctx); + return -1; + } + + for(;;) { + uint8_t query[MODBUS_TCP_MAX_ADU_LENGTH]; + + rc = modbus_receive(ctx, query); + if (rc >= 0) { + modbus_reply(ctx, query, rc, mb_mapping); + } else { + /* Connection closed by the client or server */ + break; + } + } + + printf("Quit the loop: %s\n", modbus_strerror(errno)); + + modbus_mapping_free(mb_mapping); + close(socket); + modbus_free(ctx); + + return 0; +} diff --git a/tests/bandwidth-server-one.o b/tests/bandwidth-server-one.o Binary files differnew file mode 100644 index 0000000..016e927 --- /dev/null +++ b/tests/bandwidth-server-one.o diff --git a/tests/random-test-client b/tests/random-test-client Binary files differnew file mode 100755 index 0000000..d6291ee --- /dev/null +++ b/tests/random-test-client diff --git a/tests/random-test-client.c b/tests/random-test-client.c new file mode 100644 index 0000000..593867c --- /dev/null +++ b/tests/random-test-client.c @@ -0,0 +1,253 @@ +/* + * Copyright © 2001-2010 Stéphane Raimbault <stephane.raimbault@gmail.com> + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <stdio.h> +#include <unistd.h> +#include <string.h> +#include <stdlib.h> +#include <errno.h> + +#include <modbus.h> + +/* The goal of this program is to check all major functions of + libmodbus: + - write_coil + - read_bits + - write_coils + - write_register + - read_registers + - write_registers + - read_registers + + All these functions are called with random values on a address + range defined by the following defines. +*/ +#define LOOP 1 +#define SERVER_ID 17 +#define ADDRESS_START 0 +#define ADDRESS_END 99 + +/* At each loop, the program works in the range ADDRESS_START to + * ADDRESS_END then ADDRESS_START + 1 to ADDRESS_END and so on. + */ +int main(void) +{ + modbus_t *ctx; + int rc; + int nb_fail; + int nb_loop; + int addr; + int nb; + uint8_t *tab_rq_bits; + uint8_t *tab_rp_bits; + uint16_t *tab_rq_registers; + uint16_t *tab_rw_rq_registers; + uint16_t *tab_rp_registers; + + /* RTU */ +/* + ctx = modbus_new_rtu("/dev/ttyUSB0", 19200, 'N', 8, 1); + modbus_set_slave(ctx, SERVER_ID); +*/ + + /* TCP */ + ctx = modbus_new_tcp("127.0.0.1", 1502); + modbus_set_debug(ctx, TRUE); + + if (modbus_connect(ctx) == -1) { + fprintf(stderr, "Connection failed: %s\n", + modbus_strerror(errno)); + modbus_free(ctx); + return -1; + } + + /* Allocate and initialize the different memory spaces */ + nb = ADDRESS_END - ADDRESS_START; + + tab_rq_bits = (uint8_t *) malloc(nb * sizeof(uint8_t)); + memset(tab_rq_bits, 0, nb * sizeof(uint8_t)); + + tab_rp_bits = (uint8_t *) malloc(nb * sizeof(uint8_t)); + memset(tab_rp_bits, 0, nb * sizeof(uint8_t)); + + tab_rq_registers = (uint16_t *) malloc(nb * sizeof(uint16_t)); + memset(tab_rq_registers, 0, nb * sizeof(uint16_t)); + + tab_rp_registers = (uint16_t *) malloc(nb * sizeof(uint16_t)); + memset(tab_rp_registers, 0, nb * sizeof(uint16_t)); + + tab_rw_rq_registers = (uint16_t *) malloc(nb * sizeof(uint16_t)); + memset(tab_rw_rq_registers, 0, nb * sizeof(uint16_t)); + + nb_loop = nb_fail = 0; + while (nb_loop++ < LOOP) { + for (addr = ADDRESS_START; addr <= ADDRESS_END; addr++) { + int i; + + /* Random numbers (short) */ + for (i=0; i<nb; i++) { + tab_rq_registers[i] = (uint16_t) (65535.0*rand() / (RAND_MAX + 1.0)); + tab_rw_rq_registers[i] = ~tab_rq_registers[i]; + tab_rq_bits[i] = tab_rq_registers[i] % 2; + } + nb = ADDRESS_END - addr; + + /* WRITE BIT */ + rc = modbus_write_bit(ctx, addr, tab_rq_bits[0]); + if (rc != 1) { + printf("ERROR modbus_write_bit (%d)\n", rc); + printf("Address = %d, value = %d\n", addr, tab_rq_bits[0]); + nb_fail++; + } else { + rc = modbus_read_bits(ctx, addr, 1, tab_rp_bits); + if (rc != 1 || tab_rq_bits[0] != tab_rp_bits[0]) { + printf("ERROR modbus_read_bits single (%d)\n", rc); + printf("address = %d\n", addr); + nb_fail++; + } + } + + /* MULTIPLE BITS */ + rc = modbus_write_bits(ctx, addr, nb, tab_rq_bits); + if (rc != nb) { + printf("ERROR modbus_write_bits (%d)\n", rc); + printf("Address = %d, nb = %d\n", addr, nb); + nb_fail++; + } else { + rc = modbus_read_bits(ctx, addr, nb, tab_rp_bits); + if (rc != nb) { + printf("ERROR modbus_read_bits\n"); + printf("Address = %d, nb = %d\n", addr, nb); + nb_fail++; + } else { + for (i=0; i<nb; i++) { + if (tab_rp_bits[i] != tab_rq_bits[i]) { + printf("ERROR modbus_read_bits\n"); + printf("Address = %d, value %d (0x%X) != %d (0x%X)\n", + addr, tab_rq_bits[i], tab_rq_bits[i], + tab_rp_bits[i], tab_rp_bits[i]); + nb_fail++; + } + } + } + } + + /* SINGLE REGISTER */ + rc = modbus_write_register(ctx, addr, tab_rq_registers[0]); + if (rc != 1) { + printf("ERROR modbus_write_register (%d)\n", rc); + printf("Address = %d, value = %d (0x%X)\n", + addr, tab_rq_registers[0], tab_rq_registers[0]); + nb_fail++; + } else { + rc = modbus_read_registers(ctx, addr, 1, tab_rp_registers); + if (rc != 1) { + printf("ERROR modbus_read_registers single (%d)\n", rc); + printf("Address = %d\n", addr); + nb_fail++; + } else { + if (tab_rq_registers[0] != tab_rp_registers[0]) { + printf("ERROR modbus_read_registers single\n"); + printf("Address = %d, value = %d (0x%X) != %d (0x%X)\n", + addr, tab_rq_registers[0], tab_rq_registers[0], + tab_rp_registers[0], tab_rp_registers[0]); + nb_fail++; + } + } + } + + /* MULTIPLE REGISTERS */ + rc = modbus_write_registers(ctx, addr, nb, tab_rq_registers); + if (rc != nb) { + printf("ERROR modbus_write_registers (%d)\n", rc); + printf("Address = %d, nb = %d\n", addr, nb); + nb_fail++; + } else { + rc = modbus_read_registers(ctx, addr, nb, tab_rp_registers); + if (rc != nb) { + printf("ERROR modbus_read_registers (%d)\n", rc); + printf("Address = %d, nb = %d\n", addr, nb); + nb_fail++; + } else { + for (i=0; i<nb; i++) { + if (tab_rq_registers[i] != tab_rp_registers[i]) { + printf("ERROR modbus_read_registers\n"); + printf("Address = %d, value %d (0x%X) != %d (0x%X)\n", + addr, tab_rq_registers[i], tab_rq_registers[i], + tab_rp_registers[i], tab_rp_registers[i]); + nb_fail++; + } + } + } + } + /* R/W MULTIPLE REGISTERS */ + rc = modbus_write_and_read_registers(ctx, + addr, nb, tab_rw_rq_registers, + addr, nb, tab_rp_registers); + if (rc != nb) { + printf("ERROR modbus_read_and_write_registers (%d)\n", rc); + printf("Address = %d, nb = %d\n", addr, nb); + nb_fail++; + } else { + for (i=0; i<nb; i++) { + if (tab_rp_registers[i] != tab_rw_rq_registers[i]) { + printf("ERROR modbus_read_and_write_registers READ\n"); + printf("Address = %d, value %d (0x%X) != %d (0x%X)\n", + addr, tab_rp_registers[i], tab_rw_rq_registers[i], + tab_rp_registers[i], tab_rw_rq_registers[i]); + nb_fail++; + } + } + + rc = modbus_read_registers(ctx, addr, nb, tab_rp_registers); + if (rc != nb) { + printf("ERROR modbus_read_registers (%d)\n", rc); + printf("Address = %d, nb = %d\n", addr, nb); + nb_fail++; + } else { + for (i=0; i<nb; i++) { + if (tab_rw_rq_registers[i] != tab_rp_registers[i]) { + printf("ERROR modbus_read_and_write_registers WRITE\n"); + printf("Address = %d, value %d (0x%X) != %d (0x%X)\n", + addr, tab_rw_rq_registers[i], tab_rw_rq_registers[i], + tab_rp_registers[i], tab_rp_registers[i]); + nb_fail++; + } + } + } + } + } + + printf("Test: "); + if (nb_fail) + printf("%d FAILS\n", nb_fail); + else + printf("SUCCESS\n"); + } + + /* Free the memory */ + free(tab_rq_bits); + free(tab_rp_bits); + free(tab_rq_registers); + free(tab_rp_registers); + + /* Close the connection */ + modbus_close(ctx); + modbus_free(ctx); + + return 0; +} diff --git a/tests/random-test-client.o b/tests/random-test-client.o Binary files differnew file mode 100644 index 0000000..b9ddf6f --- /dev/null +++ b/tests/random-test-client.o diff --git a/tests/random-test-server b/tests/random-test-server Binary files differnew file mode 100755 index 0000000..5beca61 --- /dev/null +++ b/tests/random-test-server diff --git a/tests/random-test-server.c b/tests/random-test-server.c new file mode 100644 index 0000000..9569fe4 --- /dev/null +++ b/tests/random-test-server.c @@ -0,0 +1,66 @@ +/* + * Copyright © 2008-2010 Stéphane Raimbault <stephane.raimbault@gmail.com> + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <stdio.h> +#include <unistd.h> +#include <stdlib.h> +#include <errno.h> + +#include <modbus.h> + +int main(void) +{ + int socket; + modbus_t *ctx; + modbus_mapping_t *mb_mapping; + + ctx = modbus_new_tcp("127.0.0.1", 1502); + /* modbus_set_debug(ctx, TRUE); */ + + mb_mapping = modbus_mapping_new(500, 500, 500, 500); + if (mb_mapping == NULL) { + fprintf(stderr, "Failed to allocate the mapping: %s\n", + modbus_strerror(errno)); + modbus_free(ctx); + return -1; + } + + socket = modbus_tcp_listen(ctx, 1); + modbus_tcp_accept(ctx, &socket); + + for (;;) { + uint8_t query[MODBUS_TCP_MAX_ADU_LENGTH]; + int rc; + + rc = modbus_receive(ctx, query); + if (rc != -1) { + /* rc is the query size */ + modbus_reply(ctx, query, rc, mb_mapping); + } else { + /* Connection closed by the client or error */ + break; + } + } + + printf("Quit the loop: %s\n", modbus_strerror(errno)); + + modbus_mapping_free(mb_mapping); + modbus_close(ctx); + modbus_free(ctx); + + return 0; +} diff --git a/tests/random-test-server.o b/tests/random-test-server.o Binary files differnew file mode 100644 index 0000000..7ea92e9 --- /dev/null +++ b/tests/random-test-server.o diff --git a/tests/unit-test-client b/tests/unit-test-client new file mode 100755 index 0000000..4e2b561 --- /dev/null +++ b/tests/unit-test-client @@ -0,0 +1,225 @@ +#! /bin/bash + +# unit-test-client - temporary wrapper script for .libs/unit-test-client +# Generated by libtool (GNU libtool) 2.4 Debian-2.4-3 +# +# The unit-test-client program cannot be directly executed until all the libtool +# libraries that it depends on are installed. +# +# This wrapper script should never be moved out of the build directory. +# If it is, it will not operate correctly. + +# Sed substitution that helps us do robust quoting. It backslashifies +# metacharacters that are still active within double-quoted strings. +sed_quote_subst='s/\([`"$\\]\)/\\\1/g' + +# Be Bourne compatible +if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then + emulate sh + NULLCMD=: + # Zsh 3.x and 4.x performs word splitting on ${1+"$@"}, which + # is contrary to our usage. Disable this feature. + alias -g '${1+"$@"}'='"$@"' + setopt NO_GLOB_SUBST +else + case `(set -o) 2>/dev/null` in *posix*) set -o posix;; esac +fi +BIN_SH=xpg4; export BIN_SH # for Tru64 +DUALCASE=1; export DUALCASE # for MKS sh + +# The HP-UX ksh and POSIX shell print the target directory to stdout +# if CDPATH is set. +(unset CDPATH) >/dev/null 2>&1 && unset CDPATH + +relink_command="(cd /home/jmccrohan/bin/libmodbus/tests; { test -z \"\${LIBRARY_PATH+set}\" || unset LIBRARY_PATH || { LIBRARY_PATH=; export LIBRARY_PATH; }; }; { test -z \"\${COMPILER_PATH+set}\" || unset COMPILER_PATH || { COMPILER_PATH=; export COMPILER_PATH; }; }; { test -z \"\${GCC_EXEC_PREFIX+set}\" || unset GCC_EXEC_PREFIX || { GCC_EXEC_PREFIX=; export GCC_EXEC_PREFIX; }; }; { test -z \"\${LD_RUN_PATH+set}\" || unset LD_RUN_PATH || { LD_RUN_PATH=; export LD_RUN_PATH; }; }; { test -z \"\${LD_LIBRARY_PATH+set}\" || unset LD_LIBRARY_PATH || { LD_LIBRARY_PATH=; export LD_LIBRARY_PATH; }; }; PATH=/usr/sbin:/usr/bin:/sbin:/bin:/usr/bin/X11; export PATH; gcc -g -O2 -g -O2 -Wall -Werror -o \$progdir/\$file unit-test-client.o ../src/.libs/libmodbus.so -Wl,-rpath -Wl,/home/jmccrohan/bin/libmodbus/src/.libs)" + +# This environment variable determines our operation mode. +if test "$libtool_install_magic" = "%%%MAGIC variable%%%"; then + # install mode needs the following variables: + generated_by_libtool_version='2.4' + notinst_deplibs=' ../src/libmodbus.la' +else + # When we are sourced in execute mode, $file and $ECHO are already set. + if test "$libtool_execute_magic" != "%%%MAGIC variable%%%"; then + file="$0" + +# A function that is used when there is no print builtin or printf. +func_fallback_echo () +{ + eval 'cat <<_LTECHO_EOF +$1 +_LTECHO_EOF' +} + ECHO="printf %s\\n" + fi + +# Very basic option parsing. These options are (a) specific to +# the libtool wrapper, (b) are identical between the wrapper +# /script/ and the wrapper /executable/ which is used only on +# windows platforms, and (c) all begin with the string --lt- +# (application programs are unlikely to have options which match +# this pattern). +# +# There are only two supported options: --lt-debug and +# --lt-dump-script. There is, deliberately, no --lt-help. +# +# The first argument to this parsing function should be the +# script's ../libtool value, followed by no. +lt_option_debug= +func_parse_lt_options () +{ + lt_script_arg0=$0 + shift + for lt_opt + do + case "$lt_opt" in + --lt-debug) lt_option_debug=1 ;; + --lt-dump-script) + lt_dump_D=`$ECHO "X$lt_script_arg0" | /bin/sed -e 's/^X//' -e 's%/[^/]*$%%'` + test "X$lt_dump_D" = "X$lt_script_arg0" && lt_dump_D=. + lt_dump_F=`$ECHO "X$lt_script_arg0" | /bin/sed -e 's/^X//' -e 's%^.*/%%'` + cat "$lt_dump_D/$lt_dump_F" + exit 0 + ;; + --lt-*) + $ECHO "Unrecognized --lt- option: '$lt_opt'" 1>&2 + exit 1 + ;; + esac + done + + # Print the debug banner immediately: + if test -n "$lt_option_debug"; then + echo "unit-test-client:unit-test-client:${LINENO}: libtool wrapper (GNU libtool) 2.4 Debian-2.4-3" 1>&2 + fi +} + +# Used when --lt-debug. Prints its arguments to stdout +# (redirection is the responsibility of the caller) +func_lt_dump_args () +{ + lt_dump_args_N=1; + for lt_arg + do + $ECHO "unit-test-client:unit-test-client:${LINENO}: newargv[$lt_dump_args_N]: $lt_arg" + lt_dump_args_N=`expr $lt_dump_args_N + 1` + done +} + +# Core function for launching the target application +func_exec_program_core () +{ + + if test -n "$lt_option_debug"; then + $ECHO "unit-test-client:unit-test-client:${LINENO}: newargv[0]: $progdir/$program" 1>&2 + func_lt_dump_args ${1+"$@"} 1>&2 + fi + exec "$progdir/$program" ${1+"$@"} + + $ECHO "$0: cannot exec $program $*" 1>&2 + exit 1 +} + +# A function to encapsulate launching the target application +# Strips options in the --lt-* namespace from $@ and +# launches target application with the remaining arguments. +func_exec_program () +{ + for lt_wr_arg + do + case $lt_wr_arg in + --lt-*) ;; + *) set x "$@" "$lt_wr_arg"; shift;; + esac + shift + done + func_exec_program_core ${1+"$@"} +} + + # Parse options + func_parse_lt_options "$0" ${1+"$@"} + + # Find the directory that this script lives in. + thisdir=`$ECHO "$file" | /bin/sed 's%/[^/]*$%%'` + test "x$thisdir" = "x$file" && thisdir=. + + # Follow symbolic links until we get to the real thisdir. + file=`ls -ld "$file" | /bin/sed -n 's/.*-> //p'` + while test -n "$file"; do + destdir=`$ECHO "$file" | /bin/sed 's%/[^/]*$%%'` + + # If there was a directory component, then change thisdir. + if test "x$destdir" != "x$file"; then + case "$destdir" in + [\\/]* | [A-Za-z]:[\\/]*) thisdir="$destdir" ;; + *) thisdir="$thisdir/$destdir" ;; + esac + fi + + file=`$ECHO "$file" | /bin/sed 's%^.*/%%'` + file=`ls -ld "$thisdir/$file" | /bin/sed -n 's/.*-> //p'` + done + + # Usually 'no', except on cygwin/mingw when embedded into + # the cwrapper. + WRAPPER_SCRIPT_BELONGS_IN_OBJDIR=no + if test "$WRAPPER_SCRIPT_BELONGS_IN_OBJDIR" = "yes"; then + # special case for '.' + if test "$thisdir" = "."; then + thisdir=`pwd` + fi + # remove .libs from thisdir + case "$thisdir" in + *[\\/].libs ) thisdir=`$ECHO "$thisdir" | /bin/sed 's%[\\/][^\\/]*$%%'` ;; + .libs ) thisdir=. ;; + esac + fi + + # Try to get the absolute directory name. + absdir=`cd "$thisdir" && pwd` + test -n "$absdir" && thisdir="$absdir" + + program=lt-'unit-test-client' + progdir="$thisdir/.libs" + + if test ! -f "$progdir/$program" || + { file=`ls -1dt "$progdir/$program" "$progdir/../$program" 2>/dev/null | /bin/sed 1q`; \ + test "X$file" != "X$progdir/$program"; }; then + + file="$$-$program" + + if test ! -d "$progdir"; then + mkdir "$progdir" + else + rm -f "$progdir/$file" + fi + + # relink executable if necessary + if test -n "$relink_command"; then + if relink_command_output=`eval $relink_command 2>&1`; then : + else + printf %s\n "$relink_command_output" >&2 + rm -f "$progdir/$file" + exit 1 + fi + fi + + mv -f "$progdir/$file" "$progdir/$program" 2>/dev/null || + { rm -f "$progdir/$program"; + mv -f "$progdir/$file" "$progdir/$program"; } + rm -f "$progdir/$file" + fi + + if test -f "$progdir/$program"; then + if test "$libtool_execute_magic" != "%%%MAGIC variable%%%"; then + # Run the actual program with our arguments. + func_exec_program ${1+"$@"} + fi + else + # The program doesn't exist. + $ECHO "$0: error: \`$progdir/$program' does not exist" 1>&2 + $ECHO "This script is just a wrapper for $program." 1>&2 + $ECHO "See the libtool documentation for more information." 1>&2 + exit 1 + fi +fi diff --git a/tests/unit-test-client.c b/tests/unit-test-client.c new file mode 100644 index 0000000..533e6a7 --- /dev/null +++ b/tests/unit-test-client.c @@ -0,0 +1,690 @@ +/* + * Copyright © 2008-2010 Stéphane Raimbault <stephane.raimbault@gmail.com> + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <stdio.h> +#include <unistd.h> +#include <string.h> +#include <stdlib.h> +#include <errno.h> +#include <modbus.h> + +#include "unit-test.h" + +enum { + TCP, + TCP_PI, + RTU +}; + +int main(int argc, char *argv[]) +{ + uint8_t *tab_rp_bits; + uint16_t *tab_rp_registers; + uint16_t *tab_rp_registers_bad; + modbus_t *ctx; + int i; + uint8_t value; + int nb_points; + int rc; + float real; + struct timeval old_response_timeout; + struct timeval response_timeout; + int use_backend; + + if (argc > 1) { + if (strcmp(argv[1], "tcp") == 0) { + use_backend = TCP; + } else if (strcmp(argv[1], "tcppi") == 0) { + use_backend = TCP_PI; + } else if (strcmp(argv[1], "rtu") == 0) { + use_backend = RTU; + } else { + printf("Usage:\n %s [tcp|tcppi|rtu] - Modbus client for unit testing\n\n", argv[0]); + exit(1); + } + } else { + /* By default */ + use_backend = TCP; + } + + if (use_backend == TCP) { + ctx = modbus_new_tcp("127.0.0.1", 1502); + } else if (use_backend == TCP_PI) { + ctx = modbus_new_tcp_pi("::1", "1502"); + } else { + ctx = modbus_new_rtu("/dev/ttyUSB1", 115200, 'N', 8, 1); + } + if (ctx == NULL) { + fprintf(stderr, "Unable to allocate libmodbus context\n"); + return -1; + } + modbus_set_debug(ctx, TRUE); + modbus_set_error_recovery(ctx, + MODBUS_ERROR_RECOVERY_LINK | + MODBUS_ERROR_RECOVERY_PROTOCOL); + + if (use_backend == RTU) { + modbus_set_slave(ctx, SERVER_ID); + } + + if (modbus_connect(ctx) == -1) { + fprintf(stderr, "Connection failed: %s\n", + modbus_strerror(errno)); + modbus_free(ctx); + return -1; + } + + /* Allocate and initialize the memory to store the bits */ + nb_points = (UT_BITS_NB > UT_INPUT_BITS_NB) ? UT_BITS_NB : UT_INPUT_BITS_NB; + tab_rp_bits = (uint8_t *) malloc(nb_points * sizeof(uint8_t)); + memset(tab_rp_bits, 0, nb_points * sizeof(uint8_t)); + + /* Allocate and initialize the memory to store the registers */ + nb_points = (UT_REGISTERS_NB > UT_INPUT_REGISTERS_NB) ? + UT_REGISTERS_NB : UT_INPUT_REGISTERS_NB; + tab_rp_registers = (uint16_t *) malloc(nb_points * sizeof(uint16_t)); + memset(tab_rp_registers, 0, nb_points * sizeof(uint16_t)); + + printf("** UNIT TESTING **\n"); + + printf("\nTEST WRITE/READ:\n"); + + /** COIL BITS **/ + + /* Single */ + rc = modbus_write_bit(ctx, UT_BITS_ADDRESS, ON); + printf("1/2 modbus_write_bit: "); + if (rc == 1) { + printf("OK\n"); + } else { + printf("FAILED\n"); + goto close; + } + + rc = modbus_read_bits(ctx, UT_BITS_ADDRESS, 1, tab_rp_bits); + printf("2/2 modbus_read_bits: "); + if (rc != 1) { + printf("FAILED (nb points %d)\n", rc); + goto close; + } + + if (tab_rp_bits[0] != ON) { + printf("FAILED (%0X = != %0X)\n", tab_rp_bits[0], ON); + goto close; + } + printf("OK\n"); + /* End single */ + + /* Multiple bits */ + { + uint8_t tab_value[UT_BITS_NB]; + + modbus_set_bits_from_bytes(tab_value, 0, UT_BITS_NB, UT_BITS_TAB); + rc = modbus_write_bits(ctx, UT_BITS_ADDRESS, + UT_BITS_NB, tab_value); + printf("1/2 modbus_write_bits: "); + if (rc == UT_BITS_NB) { + printf("OK\n"); + } else { + printf("FAILED\n"); + goto close; + } + } + + rc = modbus_read_bits(ctx, UT_BITS_ADDRESS, UT_BITS_NB, tab_rp_bits); + printf("2/2 modbus_read_bits: "); + if (rc != UT_BITS_NB) { + printf("FAILED (nb points %d)\n", rc); + goto close; + } + + i = 0; + nb_points = UT_BITS_NB; + while (nb_points > 0) { + int nb_bits = (nb_points > 8) ? 8 : nb_points; + + value = modbus_get_byte_from_bits(tab_rp_bits, i*8, nb_bits); + if (value != UT_BITS_TAB[i]) { + printf("FAILED (%0X != %0X)\n", value, UT_BITS_TAB[i]); + goto close; + } + + nb_points -= nb_bits; + i++; + } + printf("OK\n"); + /* End of multiple bits */ + + /** DISCRETE INPUTS **/ + rc = modbus_read_input_bits(ctx, UT_INPUT_BITS_ADDRESS, + UT_INPUT_BITS_NB, tab_rp_bits); + printf("1/1 modbus_read_input_bits: "); + + if (rc != UT_INPUT_BITS_NB) { + printf("FAILED (nb points %d)\n", rc); + goto close; + } + + i = 0; + nb_points = UT_INPUT_BITS_NB; + while (nb_points > 0) { + int nb_bits = (nb_points > 8) ? 8 : nb_points; + + value = modbus_get_byte_from_bits(tab_rp_bits, i*8, nb_bits); + if (value != UT_INPUT_BITS_TAB[i]) { + printf("FAILED (%0X != %0X)\n", value, UT_INPUT_BITS_TAB[i]); + goto close; + } + + nb_points -= nb_bits; + i++; + } + printf("OK\n"); + + /** HOLDING REGISTERS **/ + + /* Single register */ + rc = modbus_write_register(ctx, UT_REGISTERS_ADDRESS, 0x1234); + printf("1/2 modbus_write_register: "); + if (rc == 1) { + printf("OK\n"); + } else { + printf("FAILED\n"); + goto close; + } + + rc = modbus_read_registers(ctx, UT_REGISTERS_ADDRESS, + 1, tab_rp_registers); + printf("2/2 modbus_read_registers: "); + if (rc != 1) { + printf("FAILED (nb points %d)\n", rc); + goto close; + } + + if (tab_rp_registers[0] != 0x1234) { + printf("FAILED (%0X != %0X)\n", + tab_rp_registers[0], 0x1234); + goto close; + } + printf("OK\n"); + /* End of single register */ + + /* Many registers */ + rc = modbus_write_registers(ctx, UT_REGISTERS_ADDRESS, + UT_REGISTERS_NB, UT_REGISTERS_TAB); + printf("1/5 modbus_write_registers: "); + if (rc == UT_REGISTERS_NB) { + printf("OK\n"); + } else { + printf("FAILED\n"); + goto close; + } + + rc = modbus_read_registers(ctx, UT_REGISTERS_ADDRESS, + UT_REGISTERS_NB, tab_rp_registers); + printf("2/5 modbus_read_registers: "); + if (rc != UT_REGISTERS_NB) { + printf("FAILED (nb points %d)\n", rc); + goto close; + } + + for (i=0; i < UT_REGISTERS_NB; i++) { + if (tab_rp_registers[i] != UT_REGISTERS_TAB[i]) { + printf("FAILED (%0X != %0X)\n", + tab_rp_registers[i], + UT_REGISTERS_TAB[i]); + goto close; + } + } + printf("OK\n"); + + rc = modbus_read_registers(ctx, UT_REGISTERS_ADDRESS, + 0, tab_rp_registers); + printf("3/5 modbus_read_registers (0): "); + if (rc != 0) { + printf("FAILED (nb points %d)\n", rc); + goto close; + } + printf("OK\n"); + + nb_points = (UT_REGISTERS_NB > + UT_INPUT_REGISTERS_NB) ? + UT_REGISTERS_NB : UT_INPUT_REGISTERS_NB; + memset(tab_rp_registers, 0, nb_points * sizeof(uint16_t)); + + /* Write registers to zero from tab_rp_registers and store read registers + into tab_rp_registers. So the read registers must set to 0, except the + first one because there is an offset of 1 register on write. */ + rc = modbus_write_and_read_registers(ctx, + UT_REGISTERS_ADDRESS + 1, UT_REGISTERS_NB - 1, + tab_rp_registers, + UT_REGISTERS_ADDRESS, + UT_REGISTERS_NB, + tab_rp_registers); + printf("4/5 modbus_write_and_read_registers: "); + if (rc != UT_REGISTERS_NB) { + printf("FAILED (nb points %d != %d)\n", rc, UT_REGISTERS_NB); + goto close; + } + + if (tab_rp_registers[0] != UT_REGISTERS_TAB[0]) { + printf("FAILED (%0X != %0X)\n", + tab_rp_registers[0], UT_REGISTERS_TAB[0]); + } + + for (i=1; i < UT_REGISTERS_NB; i++) { + if (tab_rp_registers[i] != 0) { + printf("FAILED (%0X != %0X)\n", + tab_rp_registers[i], 0); + goto close; + } + } + printf("OK\n"); + + /* End of many registers */ + + + /** INPUT REGISTERS **/ + rc = modbus_read_input_registers(ctx, UT_INPUT_REGISTERS_ADDRESS, + UT_INPUT_REGISTERS_NB, + tab_rp_registers); + printf("1/1 modbus_read_input_registers: "); + if (rc != UT_INPUT_REGISTERS_NB) { + printf("FAILED (nb points %d)\n", rc); + goto close; + } + + for (i=0; i < UT_INPUT_REGISTERS_NB; i++) { + if (tab_rp_registers[i] != UT_INPUT_REGISTERS_TAB[i]) { + printf("FAILED (%0X != %0X)\n", + tab_rp_registers[i], UT_INPUT_REGISTERS_TAB[i]); + goto close; + } + } + printf("OK\n"); + + printf("\nTEST FLOATS\n"); + /** FLOAT **/ + printf("1/2 Set float: "); + modbus_set_float(UT_REAL, tab_rp_registers); + if (tab_rp_registers[1] == (UT_IREAL >> 16) && + tab_rp_registers[0] == (UT_IREAL & 0xFFFF)) { + printf("OK\n"); + } else { + printf("FAILED (%x != %x)\n", + *((uint32_t *)tab_rp_registers), UT_IREAL); + goto close; + } + + printf("2/2 Get float: "); + real = modbus_get_float(tab_rp_registers); + if (real == UT_REAL) { + printf("OK\n"); + } else { + printf("FAILED (%f != %f)\n", real, UT_REAL); + goto close; + } + + printf("\nAt this point, error messages doesn't mean the test has failed\n"); + + /** ILLEGAL DATA ADDRESS **/ + printf("\nTEST ILLEGAL DATA ADDRESS:\n"); + + /* The mapping begins at 0 and ends at address + nb_points so + * the addresses are not valid. */ + + rc = modbus_read_bits(ctx, UT_BITS_ADDRESS, + UT_BITS_NB + 1, tab_rp_bits); + printf("* modbus_read_bits: "); + if (rc == -1 && errno == EMBXILADD) { + printf("OK\n"); + } else { + printf("FAILED\n"); + goto close; + } + + rc = modbus_read_input_bits(ctx, UT_INPUT_BITS_ADDRESS, + UT_INPUT_BITS_NB + 1, tab_rp_bits); + printf("* modbus_read_input_bits: "); + if (rc == -1 && errno == EMBXILADD) + printf("OK\n"); + else { + printf("FAILED\n"); + goto close; + } + + rc = modbus_read_registers(ctx, UT_REGISTERS_ADDRESS, + UT_REGISTERS_NB + 1, tab_rp_registers); + printf("* modbus_read_registers: "); + if (rc == -1 && errno == EMBXILADD) + printf("OK\n"); + else { + printf("FAILED\n"); + goto close; + } + + rc = modbus_read_input_registers(ctx, UT_INPUT_REGISTERS_ADDRESS, + UT_INPUT_REGISTERS_NB + 1, + tab_rp_registers); + printf("* modbus_read_input_registers: "); + if (rc == -1 && errno == EMBXILADD) + printf("OK\n"); + else { + printf("FAILED\n"); + goto close; + } + + rc = modbus_write_bit(ctx, UT_BITS_ADDRESS + UT_BITS_NB, ON); + printf("* modbus_write_bit: "); + if (rc == -1 && errno == EMBXILADD) { + printf("OK\n"); + } else { + printf("FAILED\n"); + goto close; + } + + rc = modbus_write_bits(ctx, UT_BITS_ADDRESS + UT_BITS_NB, + UT_BITS_NB, tab_rp_bits); + printf("* modbus_write_coils: "); + if (rc == -1 && errno == EMBXILADD) { + printf("OK\n"); + } else { + printf("FAILED\n"); + goto close; + } + + rc = modbus_write_registers(ctx, UT_REGISTERS_ADDRESS + UT_REGISTERS_NB, + UT_REGISTERS_NB, tab_rp_registers); + printf("* modbus_write_registers: "); + if (rc == -1 && errno == EMBXILADD) { + printf("OK\n"); + } else { + printf("FAILED\n"); + goto close; + } + + + /** TOO MANY DATA **/ + printf("\nTEST TOO MANY DATA ERROR:\n"); + + rc = modbus_read_bits(ctx, UT_BITS_ADDRESS, + MODBUS_MAX_READ_BITS + 1, tab_rp_bits); + printf("* modbus_read_bits: "); + if (rc == -1 && errno == EMBMDATA) { + printf("OK\n"); + } else { + printf("FAILED\n"); + goto close; + } + + rc = modbus_read_input_bits(ctx, UT_INPUT_BITS_ADDRESS, + MODBUS_MAX_READ_BITS + 1, tab_rp_bits); + printf("* modbus_read_input_bits: "); + if (rc == -1 && errno == EMBMDATA) { + printf("OK\n"); + } else { + printf("FAILED\n"); + goto close; + } + + rc = modbus_read_registers(ctx, UT_REGISTERS_ADDRESS, + MODBUS_MAX_READ_REGISTERS + 1, + tab_rp_registers); + printf("* modbus_read_registers: "); + if (rc == -1 && errno == EMBMDATA) { + printf("OK\n"); + } else { + printf("FAILED\n"); + goto close; + } + + rc = modbus_read_input_registers(ctx, UT_INPUT_REGISTERS_ADDRESS, + MODBUS_MAX_READ_REGISTERS + 1, + tab_rp_registers); + printf("* modbus_read_input_registers: "); + if (rc == -1 && errno == EMBMDATA) { + printf("OK\n"); + } else { + printf("FAILED\n"); + goto close; + } + + rc = modbus_write_bits(ctx, UT_BITS_ADDRESS, + MODBUS_MAX_WRITE_BITS + 1, tab_rp_bits); + printf("* modbus_write_bits: "); + if (rc == -1 && errno == EMBMDATA) { + printf("OK\n"); + } else { + goto close; + printf("FAILED\n"); + } + + rc = modbus_write_registers(ctx, UT_REGISTERS_ADDRESS, + MODBUS_MAX_WRITE_REGISTERS + 1, + tab_rp_registers); + printf("* modbus_write_registers: "); + if (rc == -1 && errno == EMBMDATA) { + printf("OK\n"); + } else { + printf("FAILED\n"); + goto close; + } + + /** SLAVE REPLY **/ + printf("\nTEST SLAVE REPLY:\n"); + modbus_set_slave(ctx, INVALID_SERVER_ID); + rc = modbus_read_registers(ctx, UT_REGISTERS_ADDRESS, + UT_REGISTERS_NB, tab_rp_registers); + if (use_backend == RTU) { + const int RAW_REQ_LENGTH = 6; + uint8_t raw_req[] = { INVALID_SERVER_ID, 0x03, 0x00, 0x01, 0xFF, 0xFF }; + uint8_t rsp[MODBUS_TCP_MAX_ADU_LENGTH]; + + /* No response in RTU mode */ + printf("1/4-A No response from slave %d: ", INVALID_SERVER_ID); + + if (rc == -1 && errno == ETIMEDOUT) { + printf("OK\n"); + } else { + printf("FAILED\n"); + goto close; + } + + /* Send an invalid query with a wrong slave ID */ + modbus_send_raw_request(ctx, raw_req, + RAW_REQ_LENGTH * sizeof(uint8_t)); + rc = modbus_receive_confirmation(ctx, rsp); + + printf("1/4-B No response from slave %d with invalid request: ", + INVALID_SERVER_ID); + + if (rc == -1 && errno == ETIMEDOUT) { + printf("OK\n"); + } else { + printf("FAILED (%d)\n", rc); + goto close; + } + + } else { + /* Response in TCP mode */ + printf("1/4 Response from slave %d: ", 18); + + if (rc == UT_REGISTERS_NB) { + printf("OK\n"); + } else { + printf("FAILED\n"); + goto close; + } + } + + rc = modbus_set_slave(ctx, MODBUS_BROADCAST_ADDRESS); + if (rc == -1) { + printf("Invalid broacast address\n"); + goto close; + } + + rc = modbus_read_registers(ctx, UT_REGISTERS_ADDRESS, + UT_REGISTERS_NB, tab_rp_registers); + printf("2/4 Reply after a broadcast query: "); + if (rc == UT_REGISTERS_NB) { + printf("OK\n"); + } else { + printf("FAILED\n"); + goto close; + } + + /* Restore slave */ + if (use_backend == RTU) { + modbus_set_slave(ctx, SERVER_ID); + } else { + modbus_set_slave(ctx, MODBUS_TCP_SLAVE); + } + + printf("3/4 Report slave ID: \n"); + /* tab_rp_bits is used to store bytes */ + rc = modbus_report_slave_id(ctx, tab_rp_bits); + if (rc == -1) { + printf("FAILED\n"); + goto close; + } + + /* Slave ID is an arbitraty number for libmodbus */ + if (rc > 0) { + printf("OK Slave ID is %d\n", tab_rp_bits[0]); + } else { + printf("FAILED\n"); + goto close; + } + + /* Run status indicator */ + if (rc > 1 && tab_rp_bits[1] == 0xFF) { + printf("OK Run Status Indicator is %s\n", tab_rp_bits[1] ? "ON" : "OFF"); + } else { + printf("FAILED\n"); + goto close; + } + + /* Print additional data as string */ + if (rc > 2) { + printf("Additional data: "); + for (i=2; i < rc; i++) { + printf("%c", tab_rp_bits[i]); + } + printf("\n"); + } + + /* Save original timeout */ + modbus_get_response_timeout(ctx, &old_response_timeout); + + /* Define a new and too short timeout */ + response_timeout.tv_sec = 0; + response_timeout.tv_usec = 0; + modbus_set_response_timeout(ctx, &response_timeout); + + rc = modbus_read_registers(ctx, UT_REGISTERS_ADDRESS, + UT_REGISTERS_NB, tab_rp_registers); + printf("4/4 Too short timeout: "); + if (rc == -1 && errno == ETIMEDOUT) { + printf("OK\n"); + } else { + printf("FAILED (can fail on slow systems or Windows)\n"); + } + + /* Restore original timeout */ + modbus_set_response_timeout(ctx, &old_response_timeout); + + /* A wait and flush operation is done by the error recovery code of + * libmodbus */ + + /** BAD RESPONSE **/ + printf("\nTEST BAD RESPONSE ERROR:\n"); + + /* Allocate only the required space */ + tab_rp_registers_bad = (uint16_t *) malloc( + UT_REGISTERS_NB_SPECIAL * sizeof(uint16_t)); + rc = modbus_read_registers(ctx, UT_REGISTERS_ADDRESS, + UT_REGISTERS_NB_SPECIAL, tab_rp_registers_bad); + printf("* modbus_read_registers: "); + if (rc == -1 && errno == EMBBADDATA) { + printf("OK\n"); + } else { + printf("FAILED\n"); + goto close; + } + + free(tab_rp_registers_bad); + + /** MANUAL EXCEPTION **/ + printf("\nTEST MANUAL EXCEPTION:\n"); + + rc = modbus_read_registers(ctx, UT_REGISTERS_ADDRESS_SPECIAL, + UT_REGISTERS_NB, tab_rp_registers); + printf("* modbus_read_registers at special address: "); + if (rc == -1 && errno == EMBXSBUSY) { + printf("OK\n"); + } else { + printf("FAILED\n"); + goto close; + } + + /** RAW REQUEST */ + printf("\nTEST RAW REQUEST:\n"); + { + const int RAW_REQ_LENGTH = 6; + uint8_t raw_req[] = { (use_backend == RTU) ? SERVER_ID : 0xFF, + 0x03, 0x00, 0x01, 0x0, 0x05 }; + int req_length; + uint8_t rsp[MODBUS_TCP_MAX_ADU_LENGTH]; + + req_length = modbus_send_raw_request(ctx, raw_req, + RAW_REQ_LENGTH * sizeof(uint8_t)); + + printf("* modbus_send_raw_request: "); + if ((use_backend == RTU && req_length == (RAW_REQ_LENGTH + 2)) || + ((use_backend == TCP || use_backend == TCP_PI) && + req_length == (RAW_REQ_LENGTH + 6))) { + printf("OK\n"); + } else { + printf("FAILED (%d)\n", req_length); + goto close; + } + + printf("* modbus_receive_confirmation: "); + rc = modbus_receive_confirmation(ctx, rsp); + if ((use_backend == RTU && rc == 15) || + ((use_backend == TCP || use_backend == TCP_PI) && + rc == 19)) { + printf("OK\n"); + } else { + printf("FAILED (%d)\n", rc); + goto close; + } + } + + printf("\nALL TESTS PASS WITH SUCCESS.\n"); + +close: + /* Free the memory */ + free(tab_rp_bits); + free(tab_rp_registers); + + /* Close the connection */ + modbus_close(ctx); + modbus_free(ctx); + + return 0; +} diff --git a/tests/unit-test-client.o b/tests/unit-test-client.o Binary files differnew file mode 100644 index 0000000..8358604 --- /dev/null +++ b/tests/unit-test-client.o diff --git a/tests/unit-test-server b/tests/unit-test-server new file mode 100755 index 0000000..a8d1c0e --- /dev/null +++ b/tests/unit-test-server @@ -0,0 +1,225 @@ +#! /bin/bash + +# unit-test-server - temporary wrapper script for .libs/unit-test-server +# Generated by libtool (GNU libtool) 2.4 Debian-2.4-3 +# +# The unit-test-server program cannot be directly executed until all the libtool +# libraries that it depends on are installed. +# +# This wrapper script should never be moved out of the build directory. +# If it is, it will not operate correctly. + +# Sed substitution that helps us do robust quoting. It backslashifies +# metacharacters that are still active within double-quoted strings. +sed_quote_subst='s/\([`"$\\]\)/\\\1/g' + +# Be Bourne compatible +if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then + emulate sh + NULLCMD=: + # Zsh 3.x and 4.x performs word splitting on ${1+"$@"}, which + # is contrary to our usage. Disable this feature. + alias -g '${1+"$@"}'='"$@"' + setopt NO_GLOB_SUBST +else + case `(set -o) 2>/dev/null` in *posix*) set -o posix;; esac +fi +BIN_SH=xpg4; export BIN_SH # for Tru64 +DUALCASE=1; export DUALCASE # for MKS sh + +# The HP-UX ksh and POSIX shell print the target directory to stdout +# if CDPATH is set. +(unset CDPATH) >/dev/null 2>&1 && unset CDPATH + +relink_command="(cd /home/jmccrohan/bin/libmodbus/tests; { test -z \"\${LIBRARY_PATH+set}\" || unset LIBRARY_PATH || { LIBRARY_PATH=; export LIBRARY_PATH; }; }; { test -z \"\${COMPILER_PATH+set}\" || unset COMPILER_PATH || { COMPILER_PATH=; export COMPILER_PATH; }; }; { test -z \"\${GCC_EXEC_PREFIX+set}\" || unset GCC_EXEC_PREFIX || { GCC_EXEC_PREFIX=; export GCC_EXEC_PREFIX; }; }; { test -z \"\${LD_RUN_PATH+set}\" || unset LD_RUN_PATH || { LD_RUN_PATH=; export LD_RUN_PATH; }; }; { test -z \"\${LD_LIBRARY_PATH+set}\" || unset LD_LIBRARY_PATH || { LD_LIBRARY_PATH=; export LD_LIBRARY_PATH; }; }; PATH=/usr/sbin:/usr/bin:/sbin:/bin:/usr/bin/X11; export PATH; gcc -g -O2 -g -O2 -Wall -Werror -o \$progdir/\$file unit-test-server.o ../src/.libs/libmodbus.so -Wl,-rpath -Wl,/home/jmccrohan/bin/libmodbus/src/.libs)" + +# This environment variable determines our operation mode. +if test "$libtool_install_magic" = "%%%MAGIC variable%%%"; then + # install mode needs the following variables: + generated_by_libtool_version='2.4' + notinst_deplibs=' ../src/libmodbus.la' +else + # When we are sourced in execute mode, $file and $ECHO are already set. + if test "$libtool_execute_magic" != "%%%MAGIC variable%%%"; then + file="$0" + +# A function that is used when there is no print builtin or printf. +func_fallback_echo () +{ + eval 'cat <<_LTECHO_EOF +$1 +_LTECHO_EOF' +} + ECHO="printf %s\\n" + fi + +# Very basic option parsing. These options are (a) specific to +# the libtool wrapper, (b) are identical between the wrapper +# /script/ and the wrapper /executable/ which is used only on +# windows platforms, and (c) all begin with the string --lt- +# (application programs are unlikely to have options which match +# this pattern). +# +# There are only two supported options: --lt-debug and +# --lt-dump-script. There is, deliberately, no --lt-help. +# +# The first argument to this parsing function should be the +# script's ../libtool value, followed by no. +lt_option_debug= +func_parse_lt_options () +{ + lt_script_arg0=$0 + shift + for lt_opt + do + case "$lt_opt" in + --lt-debug) lt_option_debug=1 ;; + --lt-dump-script) + lt_dump_D=`$ECHO "X$lt_script_arg0" | /bin/sed -e 's/^X//' -e 's%/[^/]*$%%'` + test "X$lt_dump_D" = "X$lt_script_arg0" && lt_dump_D=. + lt_dump_F=`$ECHO "X$lt_script_arg0" | /bin/sed -e 's/^X//' -e 's%^.*/%%'` + cat "$lt_dump_D/$lt_dump_F" + exit 0 + ;; + --lt-*) + $ECHO "Unrecognized --lt- option: '$lt_opt'" 1>&2 + exit 1 + ;; + esac + done + + # Print the debug banner immediately: + if test -n "$lt_option_debug"; then + echo "unit-test-server:unit-test-server:${LINENO}: libtool wrapper (GNU libtool) 2.4 Debian-2.4-3" 1>&2 + fi +} + +# Used when --lt-debug. Prints its arguments to stdout +# (redirection is the responsibility of the caller) +func_lt_dump_args () +{ + lt_dump_args_N=1; + for lt_arg + do + $ECHO "unit-test-server:unit-test-server:${LINENO}: newargv[$lt_dump_args_N]: $lt_arg" + lt_dump_args_N=`expr $lt_dump_args_N + 1` + done +} + +# Core function for launching the target application +func_exec_program_core () +{ + + if test -n "$lt_option_debug"; then + $ECHO "unit-test-server:unit-test-server:${LINENO}: newargv[0]: $progdir/$program" 1>&2 + func_lt_dump_args ${1+"$@"} 1>&2 + fi + exec "$progdir/$program" ${1+"$@"} + + $ECHO "$0: cannot exec $program $*" 1>&2 + exit 1 +} + +# A function to encapsulate launching the target application +# Strips options in the --lt-* namespace from $@ and +# launches target application with the remaining arguments. +func_exec_program () +{ + for lt_wr_arg + do + case $lt_wr_arg in + --lt-*) ;; + *) set x "$@" "$lt_wr_arg"; shift;; + esac + shift + done + func_exec_program_core ${1+"$@"} +} + + # Parse options + func_parse_lt_options "$0" ${1+"$@"} + + # Find the directory that this script lives in. + thisdir=`$ECHO "$file" | /bin/sed 's%/[^/]*$%%'` + test "x$thisdir" = "x$file" && thisdir=. + + # Follow symbolic links until we get to the real thisdir. + file=`ls -ld "$file" | /bin/sed -n 's/.*-> //p'` + while test -n "$file"; do + destdir=`$ECHO "$file" | /bin/sed 's%/[^/]*$%%'` + + # If there was a directory component, then change thisdir. + if test "x$destdir" != "x$file"; then + case "$destdir" in + [\\/]* | [A-Za-z]:[\\/]*) thisdir="$destdir" ;; + *) thisdir="$thisdir/$destdir" ;; + esac + fi + + file=`$ECHO "$file" | /bin/sed 's%^.*/%%'` + file=`ls -ld "$thisdir/$file" | /bin/sed -n 's/.*-> //p'` + done + + # Usually 'no', except on cygwin/mingw when embedded into + # the cwrapper. + WRAPPER_SCRIPT_BELONGS_IN_OBJDIR=no + if test "$WRAPPER_SCRIPT_BELONGS_IN_OBJDIR" = "yes"; then + # special case for '.' + if test "$thisdir" = "."; then + thisdir=`pwd` + fi + # remove .libs from thisdir + case "$thisdir" in + *[\\/].libs ) thisdir=`$ECHO "$thisdir" | /bin/sed 's%[\\/][^\\/]*$%%'` ;; + .libs ) thisdir=. ;; + esac + fi + + # Try to get the absolute directory name. + absdir=`cd "$thisdir" && pwd` + test -n "$absdir" && thisdir="$absdir" + + program=lt-'unit-test-server' + progdir="$thisdir/.libs" + + if test ! -f "$progdir/$program" || + { file=`ls -1dt "$progdir/$program" "$progdir/../$program" 2>/dev/null | /bin/sed 1q`; \ + test "X$file" != "X$progdir/$program"; }; then + + file="$$-$program" + + if test ! -d "$progdir"; then + mkdir "$progdir" + else + rm -f "$progdir/$file" + fi + + # relink executable if necessary + if test -n "$relink_command"; then + if relink_command_output=`eval $relink_command 2>&1`; then : + else + printf %s\n "$relink_command_output" >&2 + rm -f "$progdir/$file" + exit 1 + fi + fi + + mv -f "$progdir/$file" "$progdir/$program" 2>/dev/null || + { rm -f "$progdir/$program"; + mv -f "$progdir/$file" "$progdir/$program"; } + rm -f "$progdir/$file" + fi + + if test -f "$progdir/$program"; then + if test "$libtool_execute_magic" != "%%%MAGIC variable%%%"; then + # Run the actual program with our arguments. + func_exec_program ${1+"$@"} + fi + else + # The program doesn't exist. + $ECHO "$0: error: \`$progdir/$program' does not exist" 1>&2 + $ECHO "This script is just a wrapper for $program." 1>&2 + $ECHO "See the libtool documentation for more information." 1>&2 + exit 1 + fi +fi diff --git a/tests/unit-test-server.c b/tests/unit-test-server.c new file mode 100644 index 0000000..9a986c5 --- /dev/null +++ b/tests/unit-test-server.c @@ -0,0 +1,155 @@ +/* + * Copyright © 2008-2010 Stéphane Raimbault <stephane.raimbault@gmail.com> + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <stdio.h> +#include <unistd.h> +#include <string.h> +#include <stdlib.h> +#include <errno.h> +#include <modbus.h> + +#include "unit-test.h" + +enum { + TCP, + TCP_PI, + RTU +}; + +int main(int argc, char*argv[]) +{ + int socket; + modbus_t *ctx; + modbus_mapping_t *mb_mapping; + int rc; + int i; + int use_backend; + uint8_t *query; + int header_length; + + if (argc > 1) { + if (strcmp(argv[1], "tcp") == 0) { + use_backend = TCP; + } else if (strcmp(argv[1], "tcppi") == 0) { + use_backend = TCP_PI; + } else if (strcmp(argv[1], "rtu") == 0) { + use_backend = RTU; + } else { + printf("Usage:\n %s [tcp|tcppi|rtu] - Modbus server for unit testing\n\n", argv[0]); + return -1; + } + } else { + /* By default */ + use_backend = TCP; + } + + if (use_backend == TCP) { + ctx = modbus_new_tcp("127.0.0.1", 1502); + query = malloc(MODBUS_TCP_MAX_ADU_LENGTH); + } else if (use_backend == TCP_PI) { + ctx = modbus_new_tcp_pi("::0", "1502"); + query = malloc(MODBUS_TCP_MAX_ADU_LENGTH); + } else { + ctx = modbus_new_rtu("/dev/ttyUSB0", 115200, 'N', 8, 1); + modbus_set_slave(ctx, SERVER_ID); + query = malloc(MODBUS_RTU_MAX_ADU_LENGTH); + } + header_length = modbus_get_header_length(ctx); + + modbus_set_debug(ctx, TRUE); + + mb_mapping = modbus_mapping_new( + UT_BITS_ADDRESS + UT_BITS_NB, + UT_INPUT_BITS_ADDRESS + UT_INPUT_BITS_NB, + UT_REGISTERS_ADDRESS + UT_REGISTERS_NB, + UT_INPUT_REGISTERS_ADDRESS + UT_INPUT_REGISTERS_NB); + if (mb_mapping == NULL) { + fprintf(stderr, "Failed to allocate the mapping: %s\n", + modbus_strerror(errno)); + modbus_free(ctx); + return -1; + } + + /* Examples from PI_MODBUS_300.pdf. + Only the read-only input values are assigned. */ + + /** INPUT STATUS **/ + modbus_set_bits_from_bytes(mb_mapping->tab_input_bits, + UT_INPUT_BITS_ADDRESS, UT_INPUT_BITS_NB, + UT_INPUT_BITS_TAB); + + /** INPUT REGISTERS **/ + for (i=0; i < UT_INPUT_REGISTERS_NB; i++) { + mb_mapping->tab_input_registers[UT_INPUT_REGISTERS_ADDRESS+i] = + UT_INPUT_REGISTERS_TAB[i];; + } + + if (use_backend == TCP) { + socket = modbus_tcp_listen(ctx, 1); + modbus_tcp_accept(ctx, &socket); + } else if (use_backend == TCP_PI) { + socket = modbus_tcp_pi_listen(ctx, 1); + modbus_tcp_pi_accept(ctx, &socket); + } else { + rc = modbus_connect(ctx); + if (rc == -1) { + fprintf(stderr, "Unable to connect %s\n", modbus_strerror(errno)); + modbus_free(ctx); + return -1; + } + } + + for (;;) { + rc = modbus_receive(ctx, query); + if (rc == -1) { + /* Connection closed by the client or error */ + break; + } + + /* Read holding registers */ + if (query[header_length] == 0x03) { + if (MODBUS_GET_INT16_FROM_INT8(query, header_length + 3) + == UT_REGISTERS_NB_SPECIAL) { + printf("Set an incorrect number of values\n"); + MODBUS_SET_INT16_TO_INT8(query, header_length + 3, + UT_REGISTERS_NB_SPECIAL - 1); + } else if (MODBUS_GET_INT16_FROM_INT8(query, header_length + 1) + == UT_REGISTERS_ADDRESS_SPECIAL) { + printf("Reply to this special register address by an exception\n"); + modbus_reply_exception(ctx, query, + MODBUS_EXCEPTION_SLAVE_OR_SERVER_BUSY); + continue; + } + } + + rc = modbus_reply(ctx, query, rc, mb_mapping); + if (rc == -1) { + break; + } + } + + printf("Quit the loop: %s\n", modbus_strerror(errno)); + + if (use_backend == TCP) { + close(socket); + } + modbus_mapping_free(mb_mapping); + free(query); + modbus_free(ctx); + + return 0; +} diff --git a/tests/unit-test-server.o b/tests/unit-test-server.o Binary files differnew file mode 100644 index 0000000..7d3a2de --- /dev/null +++ b/tests/unit-test-server.o diff --git a/tests/unit-test.h b/tests/unit-test.h new file mode 100644 index 0000000..78575c1 --- /dev/null +++ b/tests/unit-test.h @@ -0,0 +1,62 @@ +/* + * Copyright © 2008-2010 Stéphane Raimbault <stephane.raimbault@gmail.com> + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#ifndef _UNIT_TEST_H_ +#define _UNIT_TEST_H_ + +#include <config.h> + +#ifdef HAVE_INTTYPES_H +#include <inttypes.h> +#endif +#ifdef HAVE_STDINT_H +# ifndef _MSC_VER +# include <stdint.h> +# else +# include "stdint.h" +# endif +#endif + +#define SERVER_ID 17 +#define INVALID_SERVER_ID 18 + +const uint16_t UT_BITS_ADDRESS = 0x13; +const uint16_t UT_BITS_NB = 0x25; +const uint8_t UT_BITS_TAB[] = { 0xCD, 0x6B, 0xB2, 0x0E, 0x1B }; + +const uint16_t UT_INPUT_BITS_ADDRESS = 0xC4; +const uint16_t UT_INPUT_BITS_NB = 0x16; +const uint8_t UT_INPUT_BITS_TAB[] = { 0xAC, 0xDB, 0x35 }; + +const uint16_t UT_REGISTERS_ADDRESS = 0x6B; +/* Raise a manual exception when this adress is used for the first byte */ +const uint16_t UT_REGISTERS_ADDRESS_SPECIAL = 0x6C; +const uint16_t UT_REGISTERS_NB = 0x3; +const uint16_t UT_REGISTERS_TAB[] = { 0x022B, 0x0001, 0x0064 }; +/* If the following value is used, a bad response is sent. + It's better to test with a lower value than + UT_REGISTERS_NB_POINTS to try to raise a segfault. */ +const uint16_t UT_REGISTERS_NB_SPECIAL = 0x2; + +const uint16_t UT_INPUT_REGISTERS_ADDRESS = 0x08; +const uint16_t UT_INPUT_REGISTERS_NB = 0x1; +const uint16_t UT_INPUT_REGISTERS_TAB[] = { 0x000A }; + +const float UT_REAL = 916.540649; +const uint32_t UT_IREAL = 0x4465229a; + +#endif /* _UNIT_TEST_H_ */ diff --git a/tests/version b/tests/version new file mode 100755 index 0000000..7fa8075 --- /dev/null +++ b/tests/version @@ -0,0 +1,225 @@ +#! /bin/bash + +# version - temporary wrapper script for .libs/version +# Generated by libtool (GNU libtool) 2.4 Debian-2.4-3 +# +# The version program cannot be directly executed until all the libtool +# libraries that it depends on are installed. +# +# This wrapper script should never be moved out of the build directory. +# If it is, it will not operate correctly. + +# Sed substitution that helps us do robust quoting. It backslashifies +# metacharacters that are still active within double-quoted strings. +sed_quote_subst='s/\([`"$\\]\)/\\\1/g' + +# Be Bourne compatible +if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then + emulate sh + NULLCMD=: + # Zsh 3.x and 4.x performs word splitting on ${1+"$@"}, which + # is contrary to our usage. Disable this feature. + alias -g '${1+"$@"}'='"$@"' + setopt NO_GLOB_SUBST +else + case `(set -o) 2>/dev/null` in *posix*) set -o posix;; esac +fi +BIN_SH=xpg4; export BIN_SH # for Tru64 +DUALCASE=1; export DUALCASE # for MKS sh + +# The HP-UX ksh and POSIX shell print the target directory to stdout +# if CDPATH is set. +(unset CDPATH) >/dev/null 2>&1 && unset CDPATH + +relink_command="(cd /home/jmccrohan/bin/libmodbus/tests; { test -z \"\${LIBRARY_PATH+set}\" || unset LIBRARY_PATH || { LIBRARY_PATH=; export LIBRARY_PATH; }; }; { test -z \"\${COMPILER_PATH+set}\" || unset COMPILER_PATH || { COMPILER_PATH=; export COMPILER_PATH; }; }; { test -z \"\${GCC_EXEC_PREFIX+set}\" || unset GCC_EXEC_PREFIX || { GCC_EXEC_PREFIX=; export GCC_EXEC_PREFIX; }; }; { test -z \"\${LD_RUN_PATH+set}\" || unset LD_RUN_PATH || { LD_RUN_PATH=; export LD_RUN_PATH; }; }; { test -z \"\${LD_LIBRARY_PATH+set}\" || unset LD_LIBRARY_PATH || { LD_LIBRARY_PATH=; export LD_LIBRARY_PATH; }; }; PATH=/usr/sbin:/usr/bin:/sbin:/bin:/usr/bin/X11; export PATH; gcc -g -O2 -g -O2 -Wall -Werror -o \$progdir/\$file version.o ../src/.libs/libmodbus.so -Wl,-rpath -Wl,/home/jmccrohan/bin/libmodbus/src/.libs)" + +# This environment variable determines our operation mode. +if test "$libtool_install_magic" = "%%%MAGIC variable%%%"; then + # install mode needs the following variables: + generated_by_libtool_version='2.4' + notinst_deplibs=' ../src/libmodbus.la' +else + # When we are sourced in execute mode, $file and $ECHO are already set. + if test "$libtool_execute_magic" != "%%%MAGIC variable%%%"; then + file="$0" + +# A function that is used when there is no print builtin or printf. +func_fallback_echo () +{ + eval 'cat <<_LTECHO_EOF +$1 +_LTECHO_EOF' +} + ECHO="printf %s\\n" + fi + +# Very basic option parsing. These options are (a) specific to +# the libtool wrapper, (b) are identical between the wrapper +# /script/ and the wrapper /executable/ which is used only on +# windows platforms, and (c) all begin with the string --lt- +# (application programs are unlikely to have options which match +# this pattern). +# +# There are only two supported options: --lt-debug and +# --lt-dump-script. There is, deliberately, no --lt-help. +# +# The first argument to this parsing function should be the +# script's ../libtool value, followed by no. +lt_option_debug= +func_parse_lt_options () +{ + lt_script_arg0=$0 + shift + for lt_opt + do + case "$lt_opt" in + --lt-debug) lt_option_debug=1 ;; + --lt-dump-script) + lt_dump_D=`$ECHO "X$lt_script_arg0" | /bin/sed -e 's/^X//' -e 's%/[^/]*$%%'` + test "X$lt_dump_D" = "X$lt_script_arg0" && lt_dump_D=. + lt_dump_F=`$ECHO "X$lt_script_arg0" | /bin/sed -e 's/^X//' -e 's%^.*/%%'` + cat "$lt_dump_D/$lt_dump_F" + exit 0 + ;; + --lt-*) + $ECHO "Unrecognized --lt- option: '$lt_opt'" 1>&2 + exit 1 + ;; + esac + done + + # Print the debug banner immediately: + if test -n "$lt_option_debug"; then + echo "version:version:${LINENO}: libtool wrapper (GNU libtool) 2.4 Debian-2.4-3" 1>&2 + fi +} + +# Used when --lt-debug. Prints its arguments to stdout +# (redirection is the responsibility of the caller) +func_lt_dump_args () +{ + lt_dump_args_N=1; + for lt_arg + do + $ECHO "version:version:${LINENO}: newargv[$lt_dump_args_N]: $lt_arg" + lt_dump_args_N=`expr $lt_dump_args_N + 1` + done +} + +# Core function for launching the target application +func_exec_program_core () +{ + + if test -n "$lt_option_debug"; then + $ECHO "version:version:${LINENO}: newargv[0]: $progdir/$program" 1>&2 + func_lt_dump_args ${1+"$@"} 1>&2 + fi + exec "$progdir/$program" ${1+"$@"} + + $ECHO "$0: cannot exec $program $*" 1>&2 + exit 1 +} + +# A function to encapsulate launching the target application +# Strips options in the --lt-* namespace from $@ and +# launches target application with the remaining arguments. +func_exec_program () +{ + for lt_wr_arg + do + case $lt_wr_arg in + --lt-*) ;; + *) set x "$@" "$lt_wr_arg"; shift;; + esac + shift + done + func_exec_program_core ${1+"$@"} +} + + # Parse options + func_parse_lt_options "$0" ${1+"$@"} + + # Find the directory that this script lives in. + thisdir=`$ECHO "$file" | /bin/sed 's%/[^/]*$%%'` + test "x$thisdir" = "x$file" && thisdir=. + + # Follow symbolic links until we get to the real thisdir. + file=`ls -ld "$file" | /bin/sed -n 's/.*-> //p'` + while test -n "$file"; do + destdir=`$ECHO "$file" | /bin/sed 's%/[^/]*$%%'` + + # If there was a directory component, then change thisdir. + if test "x$destdir" != "x$file"; then + case "$destdir" in + [\\/]* | [A-Za-z]:[\\/]*) thisdir="$destdir" ;; + *) thisdir="$thisdir/$destdir" ;; + esac + fi + + file=`$ECHO "$file" | /bin/sed 's%^.*/%%'` + file=`ls -ld "$thisdir/$file" | /bin/sed -n 's/.*-> //p'` + done + + # Usually 'no', except on cygwin/mingw when embedded into + # the cwrapper. + WRAPPER_SCRIPT_BELONGS_IN_OBJDIR=no + if test "$WRAPPER_SCRIPT_BELONGS_IN_OBJDIR" = "yes"; then + # special case for '.' + if test "$thisdir" = "."; then + thisdir=`pwd` + fi + # remove .libs from thisdir + case "$thisdir" in + *[\\/].libs ) thisdir=`$ECHO "$thisdir" | /bin/sed 's%[\\/][^\\/]*$%%'` ;; + .libs ) thisdir=. ;; + esac + fi + + # Try to get the absolute directory name. + absdir=`cd "$thisdir" && pwd` + test -n "$absdir" && thisdir="$absdir" + + program=lt-'version' + progdir="$thisdir/.libs" + + if test ! -f "$progdir/$program" || + { file=`ls -1dt "$progdir/$program" "$progdir/../$program" 2>/dev/null | /bin/sed 1q`; \ + test "X$file" != "X$progdir/$program"; }; then + + file="$$-$program" + + if test ! -d "$progdir"; then + mkdir "$progdir" + else + rm -f "$progdir/$file" + fi + + # relink executable if necessary + if test -n "$relink_command"; then + if relink_command_output=`eval $relink_command 2>&1`; then : + else + printf %s\n "$relink_command_output" >&2 + rm -f "$progdir/$file" + exit 1 + fi + fi + + mv -f "$progdir/$file" "$progdir/$program" 2>/dev/null || + { rm -f "$progdir/$program"; + mv -f "$progdir/$file" "$progdir/$program"; } + rm -f "$progdir/$file" + fi + + if test -f "$progdir/$program"; then + if test "$libtool_execute_magic" != "%%%MAGIC variable%%%"; then + # Run the actual program with our arguments. + func_exec_program ${1+"$@"} + fi + else + # The program doesn't exist. + $ECHO "$0: error: \`$progdir/$program' does not exist" 1>&2 + $ECHO "This script is just a wrapper for $program." 1>&2 + $ECHO "See the libtool documentation for more information." 1>&2 + exit 1 + fi +fi diff --git a/tests/version.c b/tests/version.c new file mode 100644 index 0000000..e0fc569 --- /dev/null +++ b/tests/version.c @@ -0,0 +1,36 @@ +/* + * Copyright © 2010 Stéphane Raimbault <stephane.raimbault@gmail.com> + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <stdio.h> +#include <modbus.h> + +int main(void) +{ + printf("Compiled with libmodbus version %s\n", LIBMODBUS_VERSION_STRING); + printf("Linked with libmodbus version %d.%d.%d\n", + libmodbus_version_major, libmodbus_version_minor, libmodbus_version_micro); + + if (LIBMODBUS_VERSION_CHECK(2, 1, 0)) { + printf("The functions to read/write float values are available (2.1.0).\n"); + } + + if (LIBMODBUS_VERSION_CHECK(2, 1, 1)) { + printf("Oh gosh, brand new API (2.1.1)!\n"); + } + + return 0; +} diff --git a/tests/version.o b/tests/version.o Binary files differBinary files differnew file mode 100644 index 0000000..fa29586 --- /dev/null +++ b/tests/version.o diff --git a/verteco.c b/verteco.c new file mode 100644 index 0000000..a039952 --- /dev/null +++ b/verteco.c @@ -0,0 +1,63 @@ +#include <stdio.h> +#include <unistd.h> +#include <stdlib.h> +#include <errno.h> + +#include <modbus.h> + +#define SLAVE_ID 1 +#define START_ADDRESS 0 +#define NUMBER_REGISTERS 14 + +#define DEBUG_MODE 0 + +int main(int argc, char *argv[]) +{ + +if ( argc != 2 ){ + return -1; +} + + +modbus_t *ctx; +uint16_t tab_reg[64]; +int rc; +int i; + +ctx = modbus_new_rtu(argv[1], 19200, 'E', 8, 1); +modbus_set_slave(ctx, SLAVE_ID); + +modbus_set_debug(ctx, DEBUG_MODE); + +if (ctx == NULL) { + fprintf(stderr, "Unable to create the libmodbus context\n"); + return -1; +} + + + +if (modbus_connect(ctx) == -1) { + fprintf(stderr, "Connection failed: %s\n", modbus_strerror(errno)); + modbus_free(ctx); + return -1; +} + +rc = modbus_read_input_registers(ctx, START_ADDRESS, NUMBER_REGISTERS, tab_reg); + + +if (rc == -1) { + fprintf(stderr, "ERROR: %s\n", modbus_strerror(errno)); + return -1; +} + + +for (i=0; i < rc; i=i+2) { + printf("reg[%d]=%d\n", i, tab_reg[i]+tab_reg[i+1]); +} + + +modbus_close(ctx); +modbus_free(ctx); + + return 0; +} |