/* $Id: plugin_meminfo.c,v 1.4 2004/01/25 05:30:09 reinelt Exp $ * * plugin for /proc/meminfo parsing * * Copyright 2003 Michael Reinelt * Copyright 2004 The LCD4Linux Team * * 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. * * * $Log: plugin_meminfo.c,v $ * Revision 1.4 2004/01/25 05:30:09 reinelt * plugin_netdev for parsing /proc/net/dev added * * Revision 1.3 2004/01/21 10:48:17 reinelt * hash_age function added * * Revision 1.2 2004/01/16 07:26:25 reinelt * moved various /proc parsing to own functions * made some progress with /proc/stat parsing * * Revision 1.1 2004/01/15 04:29:45 reinelt * moved lcd4linux.conf.sample to *.old * lcd4linux.conf.sample with new layout * new plugins 'loadavg' and 'meminfo' * text widget have pre- and postfix * */ /* * exported functions: * * int plugin_init_meminfo (void) * adds functions to access /proc/meminfo * */ #include #include #include #include #include #include "debug.h" #include "plugin.h" #include "hash.h" static HASH MemInfo = { 0, }; static int parse_meminfo (void) { int age; FILE *stream; // reread every 10 msec only age=hash_age(&MemInfo, NULL, NULL); if (age>0 && age<=10) return 0; stream=fopen("/proc/meminfo", "r"); if (stream==NULL) { error ("fopen(/proc/meminfo) failed: %s", strerror(errno)); return -1; } while (!feof(stream)) { char buffer[256]; char *c, *key, *val; fgets (buffer, sizeof(buffer), stream); c=strchr(buffer, ':'); if (c==NULL) continue; key=buffer; val=c+1; // strip leading blanks from key while (isspace(*key)) *key++='\0'; // strip trailing blanks from key do *c='\0'; while (isspace(*--c)); // strip leading blanks from value while (isspace(*val)) *val++='\0'; // strip trailing blanks from value for (c=val; *c!='\0';c++); while (isspace(*--c)) *c='\0'; // skip lines that do not end with " kB" if (*c=='B' && *(c-1)=='k' && *(c-2)==' ') { // strip trailing " kB" from value *(c-2)='\0'; // add entry to hash table hash_set (&MemInfo, key, val); } } fclose (stream); return 0; } static void my_meminfo (RESULT *result, RESULT *arg1) { char *key, *val; if (parse_meminfo()<0) { SetResult(&result, R_STRING, ""); return; } key=R2S(arg1); val=hash_get(&MemInfo, key); if (val==NULL) val=""; SetResult(&result, R_STRING, val); } int plugin_init_meminfo (void) { AddFunction ("meminfo", 1, my_meminfo); return 0; } id='n13' href='#n13'>13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66
# OnCable (Finland / Jyväskylä)
# freq sr fec mod
[CHANNEL]
	DELIVERY_SYSTEM = DVBC/ANNEX_A
	FREQUENCY = 514000000
	SYMBOL_RATE = 6900000
	INNER_FEC = NONE
	MODULATION = QAM/128
	INVERSION = AUTO

[CHANNEL]
	DELIVERY_SYSTEM = DVBC/ANNEX_A
	FREQUENCY = 426000000
	SYMBOL_RATE = 6900000
	INNER_FEC = NONE
	MODULATION = QAM/128
	INVERSION = AUTO

[CHANNEL]
	DELIVERY_SYSTEM = DVBC/ANNEX_A
	FREQUENCY = 162000000
	SYMBOL_RATE = 6900000
	INNER_FEC = NONE
	MODULATION = QAM/128
	INVERSION = AUTO

[CHANNEL]
	DELIVERY_SYSTEM = DVBC/ANNEX_A
	FREQUENCY = 418000000
	SYMBOL_RATE = 6900000
	INNER_FEC = NONE
	MODULATION = QAM/128
	INVERSION = AUTO

[CHANNEL]
	DELIVERY_SYSTEM = DVBC/ANNEX_A
	FREQUENCY = 490000000
	SYMBOL_RATE = 6900000
	INNER_FEC = NONE
	MODULATION = QAM/128
	INVERSION = AUTO

[CHANNEL]
	DELIVERY_SYSTEM = DVBC/ANNEX_A
	FREQUENCY = 498000000
	SYMBOL_RATE = 6900000
	INNER_FEC = NONE
	MODULATION = QAM/128
	INVERSION = AUTO

[CHANNEL]
	DELIVERY_SYSTEM = DVBC/ANNEX_A
	FREQUENCY = 402000000
	SYMBOL_RATE = 6900000
	INNER_FEC = NONE
	MODULATION = QAM/128
	INVERSION = AUTO

[CHANNEL]
	DELIVERY_SYSTEM = DVBC/ANNEX_A
	FREQUENCY = 410000000
	SYMBOL_RATE = 6900000
	INNER_FEC = NONE
	MODULATION = QAM/128
	INVERSION = AUTO