/* $Id$ * $URL$ * * plugin for ISDN subsystem * * Copyright (C) 2003 Michael Reinelt * Copyright (C) 2004 The LCD4Linux Team * * Based on the old isdn client (isdn.c) which is * Copyright (C) 1999, 2000 Michael Reinelt * * This file is part of LCD4Linux. * * LCD4Linux 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 2, or (at your option) * any later version. * * LCD4Linux 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, write to the Free Software * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * */ /* * exported functions: * * int plugin_init_isdn (void) * adds functions to access ISDN information * */ #include "config.h" #include #include #include #include #include #include #include #include #ifdef HAVE_LINUX_ISDN_H #include #else #warning isdn.h not found. CPS support deactivated. #endif #include "debug.h" #include "plugin.h" #include "qprintf.h" #include "hash.h" typedef struct { unsigned long in; unsigned long out; } CPS; static HASH ISDN_INFO; static HASH ISDN_CPS; static void hash_put_info(const char *name, const int channel, const char *val) { char key[16]; qprintf(key, sizeof(key), "%s[%d]", name, channel); hash_put(&ISDN_INFO, key, val); } static int parse_isdninfo(void) { int age; FILE *stream; long flags; /* reread every 10 msec only */ age = hash_age(&ISDN_INFO, NULL); if (age > 0 && age <= 10) return 0; /* open file */ stream = fopen("/dev/isdninfo", "r"); if (stream == NULL) { error("open(/dev/isdninfo) failed: %s", strerror(errno)); return -1; } /* get flags */ flags = fcntl(fileno(stream), F_GETFL); if (flags < 0) { error("fcntl(/dev/isdninfo, F_GETFL) failed: %s", strerror(errno)); return -1; } /* set O_NONBLOCK */ if (fcntl(fileno(stream), F_SETFL, flags | O_NONBLOCK) < 0) { error("fcntl(/dev/isdninfo, F_SETFL, O_NONBLOCK) failed: %s", strerror(errno)); return -1; } while (!feof(stream)) { char buffer[4096]; char *beg, *end; if (fgets(buffer, sizeof(buffer), stream) == NULL) break; beg = strchr(buffer, ':'); if (beg != NULL) { char delim[] = " \t\n"; int i = 0; *beg++ = '\0'; while (*beg && strchr(delim, *beg)) beg++; while (beg && *beg) { if ((end = strpbrk(beg, delim))) *end = '\0'; hash_put_info(buffer, i, beg); beg = end ? end + 1 : NULL; while (*beg && strchr(delim, *beg)) beg++; i++; } } else { error("Huh? no colon found in <%s>", buffer); } } fclose(stream); return 0; } static void my_isdn_info(RESULT * result, RESULT * arg1, RESULT * arg2) { char key[16], *val; if (parse_isdninfo() < 0) { SetResult(&result, R_STRING, ""); return; } qprintf(key, sizeof(key), "%s[%d]", R2S(arg1), (int) R2N(arg2)); val = hash_get(&ISDN_INFO, key, NULL); if (val == NULL) val = ""; SetResult(&result, R_STRING, val); } #ifdef HAVE_LINUX_ISDN_H static void hash_put_cps(const int channel, const CPS * cps) { char key[16], val[16]; qprintf(key, sizeof(key), channel < 0 ? "i" : "i%d", channel); qprintf(val, sizeof(val), "%u", cps->in); hash_put_delta(&ISDN_CPS, key, val); qprintf(key, sizeof(key), channel < 0 ? "o" : "o%d", channel); qprintf(val, sizeof(val), "%u", cps->out); hash_put_delta(&ISDN_CPS, key, val); } static int get_cps(void) { int age, i; static int fd = -2; CPS cps[ISDN_MAX_CHANNELS]; CPS sum; /* reread every 10 msec only */ age = hash_age(&ISDN_CPS, NULL); if (age > 0 && age <= 10) return 0; if (fd == -1) return -1; if (fd == -2) { fd = open("/dev/isdninfo", O_RDONLY | O_NDELAY); if (fd == -1) { error("open(/dev/isdninfo) failed: %s", strerror(errno)); return -1; } } if (ioctl(fd, IIOCGETCPS, &cps)) { error("ioctl(IIOCGETCPS) failed: %s", strerror(errno)); fd = -1; return -1; } sum.in = 0; sum.out = 0; for (i = 0; i < ISDN_MAX_CHANNELS; i++) { sum.in += cps[i].in; sum.out += cps[i].out; hash_put_cps(i, &cps[i]); } hash_put_cps(-1, &sum); return 0; } static void my_isdn_cps(RESULT * result, RESULT * arg1, RESULT * arg2) { double value; if (get_cps() < 0) { SetResult(&result, R_STRING, ""); return; } value = hash_get_delta(&ISDN_CPS, R2S(arg1), NULL, R2N(arg2)); SetResult(&result, R_NUMBER, &value); } #endif int plugin_init_isdn(void) { hash_create(&ISDN_INFO); hash_create(&ISDN_CPS); AddFunction("isdn::info", 2, my_isdn_info); #ifdef HAVE_LINUX_ISDN_H AddFunction("isdn::cps", 2, my_isdn_cps); #endif return 0; } void plugin_exit_isdn(void) { hash_destroy(&ISDN_INFO); hash_destroy(&ISDN_CPS); } lcd4linux.conf git-svn-id: https://ssl.bulix.org/svn/lcd4linux/trunk@534 3ae390bd-cb1e-0410-b409-cd5a39f66f1f 2005-04-24[lcd4linux @ 2005-04-24 05:27:09 by reinelt]reinelt2-7/+38 Trefon Backlight added git-svn-id: https://ssl.bulix.org/svn/lcd4linux/trunk@533 3ae390bd-cb1e-0410-b409-cd5a39f66f1f 2005-04-24[lcd4linux @ 2005-04-24 04:41:28 by reinelt]reinelt1-0/+68 Changelog updated git-svn-id: https://ssl.bulix.org/svn/lcd4linux/trunk@532 3ae390bd-cb1e-0410-b409-cd5a39f66f1f 2005-04-24[lcd4linux @ 2005-04-24 04:33:46 by reinelt]reinelt9-10/+444 driver for TREFON USB LCD's added git-svn-id: https://ssl.bulix.org/svn/lcd4linux/trunk@531 3ae390bd-cb1e-0410-b409-cd5a39f66f1f 2005-04-20[lcd4linux @ 2005-04-20 05:49:21 by reinelt]reinelt1-44/+125 Changed the code to add some VT100-compatible control sequences (see the comments above). A configfile boolean option 'VT100_Support' (default to 1) indicate if the display in used support these control-sequences or not. git-svn-id: https://ssl.bulix.org/svn/lcd4linux/trunk@530 3ae390bd-cb1e-0410-b409-cd5a39f66f1f 2005-04-09[lcd4linux @ 2005-04-09 07:36:42 by reinelt]reinelt2-17/+99 updated LCD-Linux driver to version 0.8.8 git-svn-id: https://ssl.bulix.org/svn/lcd4linux/trunk@529 3ae390bd-cb1e-0410-b409-cd5a39f66f1f 2005-04-05[lcd4linux @ 2005-04-05 06:57:39 by reinelt]reinelt3-34/+34 AC_CHECK_HEADERS corrected git-svn-id: https://ssl.bulix.org/svn/lcd4linux/trunk@528 3ae390bd-cb1e-0410-b409-cd5a39f66f1f 2005-04-05[lcd4linux @ 2005-04-05 05:12:48 by reinelt]reinelt4-407/+33 i2c patch from Paul (still does not work here :-( git-svn-id: https://ssl.bulix.org/svn/lcd4linux/trunk@527 3ae390bd-cb1e-0410-b409-cd5a39f66f1f 2005-04-05[lcd4linux @ 2005-04-05 04:46:06 by reinelt]reinelt1-1/+20 ceil/floor patch from Maxime git-svn-id: https://ssl.bulix.org/svn/lcd4linux/trunk@526 3ae390bd-cb1e-0410-b409-cd5a39f66f1f 2005-04-04[lcd4linux @ 2005-04-04 20:11:14 by nicowallmeier]nicowallmeier1-2/+6 to be compatible with gcc 2.95 git-svn-id: https://ssl.bulix.org/svn/lcd4linux/trunk@525 3ae390bd-cb1e-0410-b409-cd5a39f66f1f 2005-04-03[lcd4linux @ 2005-04-03 07:07:43 by reinelt]reinelt8-9/+152 added statfs plugin git-svn-id: https://ssl.bulix.org/svn/lcd4linux/trunk@524 3ae390bd-cb1e-0410-b409-cd5a39f66f1f 2005-04-02[lcd4linux @ 2005-04-02 05:28:58 by reinelt]reinelt3-19/+27 fixed gcc4 warnings about signed/unsigned mismatches git-svn-id: https://ssl.bulix.org/svn/lcd4linux/trunk@523 3ae390bd-cb1e-0410-b409-cd5a39f66f1f 2005-04-01[lcd4linux @ 2005-04-01 05:16:04 by reinelt]reinelt5-584/+694 moved plugin init stuff to a seperate function called on first use git-svn-id: https://ssl.bulix.org/svn/lcd4linux/trunk@522 3ae390bd-cb1e-0410-b409-cd5a39f66f1f 2005-03-30[lcd4linux @ 2005-03-30 04:57:50 by reinelt]reinelt3-23/+67 Evaluator speedup: use bsearch for finding functions and variables git-svn-id: https://ssl.bulix.org/svn/lcd4linux/trunk@521 3ae390bd-cb1e-0410-b409-cd5a39f66f1f 2005-03-28[lcd4linux @ 2005-03-28 22:29:23 by reinelt]reinelt1-250/+346 HD44780 multiple displays patch from geronet git-svn-id: https://ssl.bulix.org/svn/lcd4linux/trunk@520 3ae390bd-cb1e-0410-b409-cd5a39f66f1f 2005-03-28[lcd4linux @ 2005-03-28 19:39:14 by reinelt]reinelt9-256/+1147 HD44780/I2C patch from Luis merged (still does not work for me) git-svn-id: https://ssl.bulix.org/svn/lcd4linux/trunk@519 3ae390bd-cb1e-0410-b409-cd5a39f66f1f 2005-03-25[lcd4linux @ 2005-03-25 15:44:43 by reinelt]reinelt1-2/+5 HD44780 Backlight fixed (thanks to geronet) git-svn-id: https://ssl.bulix.org/svn/lcd4linux/trunk@518 3ae390bd-cb1e-0410-b409-cd5a39f66f1f 2005-03-23[lcd4linux @ 2005-03-23 12:23:35 by reinelt]reinelt1-27/+32 fixed some signed/unsigned char mismatches in the Crystalfontz driver (ticket #12) git-svn-id: https://ssl.bulix.org/svn/lcd4linux/trunk@517 3ae390bd-cb1e-0410-b409-cd5a39f66f1f 2005-02-24[lcd4linux @ 2005-02-24 07:07:55 by reinelt]reinelt1-0/+53 ChangeLog git-svn-id: https://ssl.bulix.org/svn/lcd4linux/trunk@516 3ae390bd-cb1e-0410-b409-cd5a39f66f1f 2005-02-24[lcd4linux @ 2005-02-24 07:06:45 by reinelt]reinelt11-28/+347 SimpleLCD driver added git-svn-id: https://ssl.bulix.org/svn/lcd4linux/trunk@515 3ae390bd-cb1e-0410-b409-cd5a39f66f1f 2005-02-24[lcd4linux @ 2005-02-24 06:51:40 by reinelt]reinelt1-4/+5 LCD-Linux driver GOTO_COST corrected git-svn-id: https://ssl.bulix.org/svn/lcd4linux/trunk@514 3ae390bd-cb1e-0410-b409-cd5a39f66f1f 2005-01-30[lcd4linux @ 2005-01-30 06:43:22 by reinelt]reinelt4-69/+95 driver for LCD-Linux finished git-svn-id: https://ssl.bulix.org/svn/lcd4linux/trunk@513 3ae390bd-cb1e-0410-b409-cd5a39f66f1f 2005-01-29[lcd4linux @ 2005-01-29 09:30:56 by reinelt]reinelt1-8/+11 minor HD44780 cleanups git-svn-id: https://ssl.bulix.org/svn/lcd4linux/trunk@512 3ae390bd-cb1e-0410-b409-cd5a39f66f1f 2005-01-22[lcd4linux @ 2005-01-22 22:57:57 by reinelt]reinelt9-47/+382 LCD-Linux driver added git-svn-id: https://ssl.bulix.org/svn/lcd4linux/trunk@511 3ae390bd-cb1e-0410-b409-cd5a39f66f1f 2005-01-22[lcd4linux @ 2005-01-22 12:44:41 by reinelt]reinelt1-3/+6 MatrixOrbital backlight micro-fix git-svn-id: https://ssl.bulix.org/svn/lcd4linux/trunk@510 3ae390bd-cb1e-0410-b409-cd5a39f66f1f 2005-01-18[lcd4linux @ 2005-01-18 06:30:21 by reinelt]reinelt89-261/+603 added (C) to all copyright statements git-svn-id: https://ssl.bulix.org/svn/lcd4linux/trunk@509 3ae390bd-cb1e-0410-b409-cd5a39f66f1f 2005-01-17[lcd4linux @ 2005-01-17 06:38:48 by reinelt]reinelt1-1/+6 info about backlight and brightness git-svn-id: https://ssl.bulix.org/svn/lcd4linux/trunk@508 3ae390bd-cb1e-0410-b409-cd5a39f66f1f 2005-01-17[lcd4linux @ 2005-01-17 06:29:24 by reinelt]reinelt3-33/+85 added software-controlled backlight support to HD44780 git-svn-id: https://ssl.bulix.org/svn/lcd4linux/trunk@507 3ae390bd-cb1e-0410-b409-cd5a39f66f1f