wanpipe/api/tdm_api/aft_tdm_timer_api.c

144 lines
3.1 KiB
C

/*****************************************************************************
* aft_api.c AFT T1/E1: HDLC API Sample Code
*
* Author(s): Nenad Corbic <ncorbic@sangoma.com>
*
* Copyright: (c) 2003-2004 Sangoma Technologies Inc.
*
* 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
* 2 of the License, or (at your option) any later version.
* ============================================================================
*/
#include <stdlib.h>
#include <stdio.h>
#include <ctype.h>
#include <unistd.h>
#include <sys/time.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <linux/if_wanpipe.h>
#include <string.h>
#include <errno.h>
#include <fcntl.h>
#include <sys/ioctl.h>
#include <sys/types.h>
#include <signal.h>
#include <linux/wanpipe_defines.h>
#include <linux/wanpipe_cfg.h>
#include <linux/wanpipe.h>
#include <libsangoma.h>
#include "lib_api.h"
/* Prototypes */
void handle_span_chan(int);
void sig_end(int sigid);
int dev_fd;
FILE *tx_fd=NULL,*rx_fd=NULL;
wanpipe_tdm_api_t tdm_api;
/***************************************************
* HANDLE SOCKET
*/
void handle_span_chan(int dev_fd)
{
fd_set oob;
int err;
/* Main Rx Tx OOB routine */
for(;;) {
/* Initialize all select() descriptors */
FD_ZERO(&oob);
FD_SET(dev_fd,&oob);
/* Select will block, until:
* 1: OOB event, link level change
* 2: Rx data available
* 3: Interface able to Tx */
err=select(dev_fd + 1,NULL, NULL, &oob, NULL);
if (err > 0){
fflush(stdout);
if (FD_ISSET(dev_fd,&oob)){
wp_tdm_api_event_t *rx_event;
/* An OOB event is pending, usually indicating
* a link level change */
err=sangoma_tdm_read_event(dev_fd,&tdm_api);
if(err < 0 ) {
printf("Failed to receive OOB %i\n", err);
break;
}
rx_event = &tdm_api.wp_tdm_cmd.event;
switch (rx_event->wp_tdm_api_event_type){
#if 0
case WP_TDMAPI_EVENT_ALARM:
printf("GOT ALARM EVENT 0x%0X Span=%i Chan=%i\n",
rx_event->wp_tdm_api_event_alarm,rx_event->span,rx_event->channel);
break;
#endif
case WP_TDMAPI_EVENT_LINK_STATUS:
printf("GOT LINK STATUS Span=%i Chan=%i State=%s\n",
rx_event->span,rx_event->channel,
rx_event->wp_tdm_api_event_link_status == WP_TDMAPI_EVENT_LINK_STATUS_CONNECTED ? "Connected" : "Disconnected");
break;
default:
//printf("GOT UNKNOWN OOB %i \n",rx_event->wp_tdm_api_event_type);
break;
}
}
}
if (err < 0) {
printf("Device Down!\n");
fflush(stdout);
break;
}
}
}
/***************************************************************
* Main:
*
* o Make a socket connection to the driver.
* o Call handle_span_chan(int dev_fd) to read the socket
*
**************************************************************/
int main(int argc, char* argv[])
{
int dev_fd;
memset(&tdm_api,0,sizeof(tdm_api));
dev_fd =-1;
dev_fd = sangoma_open_tdmapi_ctrl();
if( dev_fd < 0){
printf("Failed to open span chan\n");
exit (1);
}
handle_span_chan(dev_fd);
close(dev_fd);
return 0;
};