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author | Jonathan McCrohan <jmccrohan@gmail.com> | 2012-02-19 23:17:53 +0000 |
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committer | Jonathan McCrohan <jmccrohan@gmail.com> | 2012-02-19 23:17:53 +0000 |
commit | 33f058f0e67357543c0b1619f4f45779d054a6bf (patch) | |
tree | eebb2cf2edeeb1ed314967c923021804c7f4d3b0 /tests/bandwidth-client.c | |
parent | 61f929e6b38829afcdc8577be74594ca73a91bde (diff) | |
download | verteco-33f058f0e67357543c0b1619f4f45779d054a6bf.tar.gz |
Remove debug/testing files.
Diffstat (limited to '')
-rw-r--r-- | tests/bandwidth-client.c | 220 |
1 files changed, 0 insertions, 220 deletions
diff --git a/tests/bandwidth-client.c b/tests/bandwidth-client.c deleted file mode 100644 index e9109e1..0000000 --- a/tests/bandwidth-client.c +++ /dev/null @@ -1,220 +0,0 @@ -/* - * 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; -} |