diff options
Diffstat (limited to 'oncology/dpfhack_display/lcd4linux/.svn/text-base/plugin_netdev.c.svn-base')
| -rw-r--r-- | oncology/dpfhack_display/lcd4linux/.svn/text-base/plugin_netdev.c.svn-base | 190 |
1 files changed, 0 insertions, 190 deletions
diff --git a/oncology/dpfhack_display/lcd4linux/.svn/text-base/plugin_netdev.c.svn-base b/oncology/dpfhack_display/lcd4linux/.svn/text-base/plugin_netdev.c.svn-base deleted file mode 100644 index f0bbd774..00000000 --- a/oncology/dpfhack_display/lcd4linux/.svn/text-base/plugin_netdev.c.svn-base +++ /dev/null @@ -1,190 +0,0 @@ -/* $Id$ - * $URL$ - * - * plugin for /proc/net/dev parsing - * - * Copyright (C) 2003 Michael Reinelt <michael@reinelt.co.at> - * Copyright (C) 2004 The LCD4Linux Team <lcd4linux-devel@users.sourceforge.net> - * - * 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_netdev (void) - * adds functions to access /proc/net/dev - * - */ - - -#include "config.h" - -#include <stdlib.h> -#include <stdio.h> -#include <string.h> -#include <ctype.h> -#include <errno.h> - -#include "debug.h" -#include "plugin.h" -#include "qprintf.h" -#include "hash.h" - - -static HASH NetDev; -static FILE *Stream = NULL; -static char *DELIMITER = " :|\t\n"; - -static int parse_netdev(void) -{ - int age; - int row, col; - static int first_time = 1; - - /* reread every 10 msec only */ - age = hash_age(&NetDev, NULL); - if (age > 0 && age <= 10) - return 0; - - if (Stream == NULL) - Stream = fopen("/proc/net/dev", "r"); - if (Stream == NULL) { - error("fopen(/proc/net/dev) failed: %s", strerror(errno)); - return -1; - } - - rewind(Stream); - row = 0; - - while (!feof(Stream)) { - char buffer[256]; - char dev[16]; - char *beg, *end; - unsigned int len; - - if (fgets(buffer, sizeof(buffer), Stream) == NULL) - break; - - switch (++row) { - - case 1: - /* skip row 1 */ - continue; - - case 2: - /* row 2 used for headers */ - if (first_time) { - char *RxTx = strrchr(buffer, '|'); - first_time = 0; - col = 0; - beg = buffer; - while (beg) { - char key[32]; - - while (strchr(DELIMITER, *beg)) - beg++; - if ((end = strpbrk(beg, DELIMITER)) != NULL) - *end = '\0'; - qprintf(key, sizeof(key), "%s_%s", beg < RxTx ? "Rx" : "Tx", beg); - hash_set_column(&NetDev, col++, key); - beg = end ? end + 1 : NULL; - } - } - continue; - - default: - /* fetch interface name (1st column) as key */ - beg = buffer; - while (*beg && *beg == ' ') - beg++; - end = beg + 1; - while (*end && *end != ':') - end++; - len = end - beg; - if (len >= sizeof(dev)) - len = sizeof(dev) - 1; - strncpy(dev, beg, len); - dev[len] = '\0'; - - hash_put_delta(&NetDev, dev, buffer); - } - } - - return 0; -} - -static void my_netdev(RESULT * result, RESULT * arg1, RESULT * arg2, RESULT * arg3) -{ - char *dev, *key; - int delay; - double value; - - if (parse_netdev() < 0) { - SetResult(&result, R_STRING, ""); - return; - } - - dev = R2S(arg1); - key = R2S(arg2); - delay = R2N(arg3); - - value = hash_get_regex(&NetDev, dev, key, delay); - - SetResult(&result, R_NUMBER, &value); -} - -static void my_netdev_fast(RESULT * result, RESULT * arg1, RESULT * arg2, RESULT * arg3) -{ - char *dev, *key; - int delay; - double value; - - if (parse_netdev() < 0) { - SetResult(&result, R_STRING, ""); - return; - } - - dev = R2S(arg1); - key = R2S(arg2); - delay = R2N(arg3); - - value = hash_get_delta(&NetDev, dev, key, delay); - - SetResult(&result, R_NUMBER, &value); -} - - -int plugin_init_netdev(void) -{ - hash_create(&NetDev); - hash_set_delimiter(&NetDev, " :|\t\n"); - - AddFunction("netdev", 3, my_netdev); - AddFunction("netdev::fast", 3, my_netdev_fast); - return 0; -} - -void plugin_exit_netdev(void) -{ - if (Stream != NULL) { - fclose(Stream); - Stream = NULL; - } - hash_destroy(&NetDev); -} |
