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/* $Id$
* $URL$
*
* plugin for asterisk
*
* Copyright (C) 2003 Michael Reinelt <michael@reinelt.co.at>
* Copyright (C) 2004, 2005, 2006, 2007 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_sample (void)
* adds various functions
*
*/
/* define the include files you need */
#include "config.h"
#include <string.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include <stdio.h>
#include "debug.h"
#include "plugin.h"
#ifdef WITH_DMALLOC
#include <dmalloc.h>
#endif
struct Line {
char Channel[25]; /* Zap Channel */
char EndPoint[25];
unsigned char active;
};
static char *rtrim(char *string, char junk)
{
char *original = string + strlen(string);
while (*--original == junk);
*(original + 1) = '\0';
return string;
}
static void zapstatus(RESULT * result, RESULT * arg1)
{
FILE *infile;
int skipline = 0; // Skip the first in the file, it throws off the detection
char line[100], *SipLoc, Channel[25], Location[25], State[9], Application[25], EndPoint[8], Ret[50];
int i = 0, ChannelInt = 0, ZapLine = 0;
struct Line Lines[32]; // Setup 32 lines, ZAP 1-32 (memory is cheap)
ZapLine = R2N(arg1);
// Set all the lines status's default to inactive
for (i = 0; i < 32; i++) {
strcpy(Lines[i].Channel, "ZAP/");
Lines[i].Channel[4] = (char) (i + 49);
Lines[i].Channel[5] = '\0';
Lines[i].active = 0;
}
system("touch /tmp/asterisk.state"); // Touch the file in it's naughty place
system("chmod 744 /tmp/asterisk.state");
system("asterisk -rx \"show channels\" > /tmp/asterisk.state"); // Crappy CLI way to do it
infile = fopen("/tmp/asterisk.state", "r");
for (i = 0; i < 100; i++) {
line[i] = ' ';
}
line[99] = '\0';
while (fgets(line, 100, infile) != NULL) {
if (strstr(line, "Zap") != NULL) {
for (i = 0; i < strlen(line); i++) {
if (i < 20) {
Channel[i] = line[i];
} else if (i < 42) {
Location[i - 21] = line[i];
} else if (i < 50) {
State[i - 42] = line[i];
} else {
Application[i - 50] = line[i];
}
}
strncpy(Channel, Channel, 7);
Channel[7] = '\0';
strcpy(Location, rtrim(Location, ' '));
State[4] = '\0';
memcpy(EndPoint, Application + 13, 7);
EndPoint[7] = '\0';
if (strstr(Application, "Bridged Call") != NULL) {
// Subtract 48 from the character value to get the int
// value. Subtract one more because arrays start at 0.
ChannelInt = (int) (Channel[4]) - 49;
strcpy(Lines[ChannelInt].Channel, Channel);
strncpy(Lines[ChannelInt].EndPoint, EndPoint, 8);
Lines[ChannelInt].active = 1;
} else {
SipLoc = strstr(Application, "SIP");
if (SipLoc != NULL) {
strncpy(EndPoint, SipLoc, 7);
} else {
EndPoint[0] = '\0';
}
ChannelInt = (int) (Channel[4]) - 49;
strcpy(Lines[ChannelInt].Channel, Channel);
Lines[ChannelInt].active = 1;
}
} else {
if (strlen(line) > 54 && skipline > 1) {
for (i = 55; i < 88; i++) {
if (i < 40) {
Channel[i - 55] = line[i];
} else {
EndPoint[i - 40] = line[i];
}
}
strncpy(Channel, rtrim(Channel, ' '), 5);
strncpy(EndPoint, rtrim(EndPoint, ' '), 7);
ChannelInt = (int) (Channel[4]) - 49;
strcpy(Lines[ChannelInt].Channel, Channel);
strcpy(Lines[ChannelInt].EndPoint, EndPoint);
Lines[ChannelInt].active = 1;
}
}
skipline += 1;
}
fclose(infile);
ZapLine -= 1;
if (ZapLine < 0 || ZapLine > 31) {
memset(Ret, ' ', 50);
Ret[0] = '\0';
strcat(Ret, "Invalid ZAP #");
SetResult(&result, R_STRING, &Ret);
} else if (Lines[ZapLine].active == 1) {
memset(Ret, ' ', 50);
Ret[0] = '\0';
strcat(Ret, Lines[ZapLine].Channel);
strcat(Ret, " -> ");
strncat(Ret, Lines[ZapLine].EndPoint, 8);
SetResult(&result, R_STRING, &Ret);
} else {
memset(Ret, ' ', 50);
Ret[0] = '\0';
strcat(Ret, Lines[ZapLine].Channel);
strcat(Ret, ": inactive");
SetResult(&result, R_STRING, &Ret);
}
return;
}
int plugin_init_asterisk(void)
{
AddFunction("asterisk::zapstatus", 1, zapstatus);
return 0;
}
void plugin_exit_asterisk(void)
{
/* free any allocated memory */
/* close filedescriptors */
}
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