696 lines
16 KiB
C
696 lines
16 KiB
C
/*****************************************************************************
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* aft_tdm_hdlc_test.c: Multiple HDLC Test Receive Module
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*
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* Author(s): Nenad Corbic <ncorbic@sangoma.com>
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*
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* Copyright: (c) 1995-2006 Sangoma Technologies Inc.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version
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* 2 of the License, or (at your option) any later version.
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* ============================================================================
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*
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*/
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#include <stdlib.h>
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#include <stdio.h>
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#include <unistd.h>
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#include <sys/time.h>
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#include <sys/socket.h>
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#include <netinet/in.h>
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#include <linux/if_wanpipe.h>
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#include <string.h>
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#include <signal.h>
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#include <wait.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <sys/ioctl.h>
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#include <sys/types.h>
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#include <pthread.h>
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#include <linux/wanpipe.h>
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#include <linux/wanpipe_tdm_api.h>
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#include <libsangoma.h>
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#include <wanpipe_hdlc.h>
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#define FALSE 0
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#define TRUE 1
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/* Enable/Disable tx of random frames */
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#define RAND_FRAME 0
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#define MAX_NUM_OF_TIMESLOTS 32*32
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#define LGTH_CRC_BYTES 2
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#define MAX_TX_DATA 15000 //MAX_NUM_OF_TIMESLOTS*10 /* Size of tx data */
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#define MAX_TX_FRAMES 1000000 /* Number of frames to transmit */
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#define WRITE 1
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#define MAX_IF_NAME 20
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typedef struct {
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int sock;
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int rx_cnt;
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int tx_cnt;
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int data;
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int last_error;
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int frames;
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char if_name[MAX_IF_NAME+1];
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wanpipe_hdlc_engine_t *hdlc_eng;
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} timeslot_t;
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timeslot_t tslot_array[MAX_NUM_OF_TIMESLOTS];
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int tx_change_data=0, tx_change_data_cnt=0;
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int end=0;
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void print_packet(unsigned char *buf, int len)
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{
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int x;
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printf("{ | ");
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for (x=0;x<len;x++){
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if (x && x%24 == 0){
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printf("\n ");
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}
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if (x && x%8 == 0)
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printf(" | ");
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printf("%02x ",buf[x]);
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}
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printf("}\n");
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}
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void sig_end(int sigid)
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{
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//printf("%d: Got Signal %i\n",getpid(),sigid);
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end=1;
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}
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static unsigned long next = 1;
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/* RAND_MAX assumed to be 32767 */
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int myrand(int max_rand) {
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next = next * 1103515245 + 12345;
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return((unsigned)(next/65536) % max_rand);
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}
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void mysrand(unsigned seed) {
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next = seed;
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}
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/*===================================================
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* MakeConnection
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*
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* o Create a Socket
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* o Bind a socket to a wanpipe network interface
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* (Interface name is supplied by the user)
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*==================================================*/
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int MakeConnection(timeslot_t *slot, char *router_name )
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{
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int span,chan;
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int err;
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int period=40;
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wanpipe_api_t tdm_api;
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sangoma_span_chan_fromif(slot->if_name,&span,&chan);
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memset(&tdm_api,0,sizeof(tdm_api));
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if (span > 0 && chan > 0) {
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wanpipe_tdm_api_t tdm_api;
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slot->sock = sangoma_open_tdmapi_span_chan(span,chan);
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if( slot->sock < 0 ) {
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perror("Open Span Chan: ");
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return( FALSE );
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}
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sangoma_tdm_set_codec(slot->sock,&tdm_api,WP_NONE);
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#if 0
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err=sangoma_tdm_set_usr_period(slot->sock,&tdm_api,period);
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if (err) {
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printf("Error: Failed to set period\n");
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}
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#endif
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printf("Socket bound to Span=%i Chan=%i\n\n",span,chan);
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return (TRUE);
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}
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return(FALSE);
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}
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int api_tdm_fe_alarms_callback(int fd, unsigned char alarm)
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{
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int fd_found=0;
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int i;
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for (i=0;i<MAX_NUM_OF_TIMESLOTS;i++){
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if (tslot_array[i].sock == fd) {
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fd_found=1;
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break;
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}
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}
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if (fd_found) {
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printf ("FE ALARMS Call back found device %i Alarm=%i \n",
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fd,alarm);
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} else {
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printf ("FE ALARMS Call back no device Alarm=%i\n",alarm);
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}
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return 0;
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}
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#define ALL_OK 0
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#define BOARD_UNDERRUN 1
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#define TX_ISR_UNDERRUN 2
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#define UNKNOWN_ERROR 4
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void process_con_rx(void)
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{
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unsigned int Rx_count;
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fd_set oob,ready;
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int err,serr,i,slots=0;
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unsigned char Rx_data[15000];
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int error_bit=0, error_crc=0, error_abort=0, error_frm=0;
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struct timeval tv;
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int frame=0,print_status=0;
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int max_fd=0, packets=0;
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timeslot_t *slot=NULL;
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wanpipe_tdm_api_t tdm_api;
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memset(&tdm_api,0,sizeof(tdm_api));
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tdm_api.wp_tdm_event.wp_fe_alarm_event = &api_tdm_fe_alarms_callback;
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i=0;
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for (i=0;i<MAX_NUM_OF_TIMESLOTS;i++){
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if (tslot_array[i].sock < 0) {
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continue;
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}
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tslot_array[i].hdlc_eng = wanpipe_reg_hdlc_engine();
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if (!tslot_array[i].hdlc_eng){
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printf("ERROR: Failed to register HDLC Engine\n");
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return;
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}
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if (tslot_array[i].sock > max_fd){
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max_fd=tslot_array[i].sock;
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}
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}
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i=0;
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tv.tv_usec = 0;
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tv.tv_sec = 10;
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Rx_count = 0;
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for(;;) {
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FD_ZERO(&ready);
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FD_ZERO(&oob);
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max_fd=0;
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for (i=0;i<MAX_NUM_OF_TIMESLOTS;i++){
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if (tslot_array[i].sock < 0) {
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continue;
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}
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FD_SET(tslot_array[i].sock,&ready);
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FD_SET(tslot_array[i].sock,&oob);
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if (tslot_array[i].sock > max_fd){
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max_fd=tslot_array[i].sock;
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}
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}
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tv.tv_usec = 0;
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tv.tv_sec = 10;
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if (end){
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break;
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}
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/* The select function must be used to implement flow control.
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* WANPIPE socket will block the user if the socket cannot send
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* or there is nothing to receive.
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*
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* By using the last socket file descriptor +1 select will wait
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* for all active sockets.
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*/
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slots=0;
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if((serr=select(max_fd + 1, &ready, NULL, &oob, &tv))){
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for (i=0;i<MAX_NUM_OF_TIMESLOTS;i++){
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if (tslot_array[i].sock < 0) {
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continue;
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}
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slots++;
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slot=&tslot_array[i];
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if (FD_ISSET(slot->sock,&oob)){
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sangoma_tdm_read_event(slot->sock,&tdm_api);
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}
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/* Check for rx packets */
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if (FD_ISSET(slot->sock,&ready)){
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err = sangoma_readmsg_tdm(slot->sock,
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Rx_data,sizeof(wp_tdm_api_rx_hdr_t),
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&Rx_data[sizeof(wp_tdm_api_rx_hdr_t)],
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sizeof(Rx_data), 0);
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// printf("RX DATA HDLC: Len=%i err=%i\n",err-sizeof(wp_api_hdr_t),err);
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//print_packet(&Rx_data[sizeof(wp_api_hdr_t)],err-sizeof(wp_api_hdr_t));
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/* err indicates bytes received */
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if(err > 0) {
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unsigned char *rx_frame =
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(unsigned char *)&Rx_data[sizeof(wp_tdm_api_rx_hdr_t)];
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int len = err;
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/* Rx packet recevied OK
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* Each rx packet will contain sizeof(wp_api_hdr_t) bytes of
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* rx header, that must be removed. The
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* first byte of the sizeof(wp_api_hdr_t) byte header will
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* indicate an error condition.
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*/
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#if 0
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printf("RX DATA: Len=%i\n",len);
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print_packet(rx_frame,len);
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frame++;
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if ((frame % 100) == 0) {
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sangoma_get_full_cfg(slot->sock, &tdm_api);
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}
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continue;
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#endif
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frame++;
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print_status++;
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slot->frames++;
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wanpipe_hdlc_decode(slot->hdlc_eng,rx_frame,len);
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packets+=wanpipe_get_rx_hdlc_packets(slot->hdlc_eng);
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error_bit+=wanpipe_get_rx_hdlc_errors(slot->hdlc_eng);
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error_crc+=slot->hdlc_eng->decoder.stats.crc;
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error_abort+=slot->hdlc_eng->decoder.stats.abort;
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error_frm+=slot->hdlc_eng->decoder.stats.frame_overflow;
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#if 1
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if (wanpipe_get_rx_hdlc_errors(slot->hdlc_eng) != slot->last_error){
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slot->last_error = wanpipe_get_rx_hdlc_errors(slot->hdlc_eng);
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if (slot->last_error > 1){
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printf("\n%s: Errors = %i (crc=%i, abort=%i, frame=%i)\n",
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slot->if_name,
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wanpipe_get_rx_hdlc_errors(slot->hdlc_eng),
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slot->hdlc_eng->decoder.stats.crc,
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slot->hdlc_eng->decoder.stats.abort,
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slot->hdlc_eng->decoder.stats.frame_overflow);
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//sangoma_get_full_cfg(slot->sock, &tdm_api);
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//wanpipe_hdlc_dump_ring(slot->hdlc_eng);
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}
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}
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if ((slot->frames % 100) == 0 && packets == 0){
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printf("\n%s: Frames=%i Rx Packets = %i (crc=%i, abort=%i, frame=%i)\n",
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slot->if_name,
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frame,
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wanpipe_get_rx_hdlc_packets(slot->hdlc_eng),
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slot->hdlc_eng->decoder.stats.crc,
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slot->hdlc_eng->decoder.stats.abort,
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slot->hdlc_eng->decoder.stats.frame_overflow);
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}
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#endif
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#if 0
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printf("%s: Received packet %i, length = %i : %s\n",
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slot->if_name,++Rx_count, err,
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((error_bit == 0)? "USR DATA OK" :
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(error_bit&BOARD_UNDERRUN)? "BRD_UNDR" :
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(error_bit&TX_ISR_UNDERRUN) ? "TX_UNDR" :
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"UNKNOWN ERROR"));
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#endif
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} else {
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printf("\n%s: Error receiving data\n",slot->if_name);
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}
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} /* If rx */
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} /* for all slots */
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if (print_status>100*slots){
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print_status=0;
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putchar('\r');
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printf("Slots=%04i frame=%04i packets=%04i errors=%04i (crc=%04i abort=%04i frm=%04i)",
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slots,
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frame,
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packets,
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error_bit>slots?error_bit:0,
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error_crc,
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error_abort,
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error_frm);
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fflush(stdout);
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}
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packets=0;
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error_bit=0;
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error_crc=0;
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error_abort=0;
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error_frm=0;
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} else {
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printf("\n: Error selecting rx socket rc=0x%x errno=0x%x\n",
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serr,errno);
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perror("Select: ");
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//break;
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}
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}
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for (i=0;i<MAX_NUM_OF_TIMESLOTS;i++){
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if (tslot_array[i].hdlc_eng) {
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wanpipe_unreg_hdlc_engine(tslot_array[i].hdlc_eng);
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}
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}
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//printf("\nRx Unloading HDLC\n");
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}
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void process_con_tx(timeslot_t *slot)
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{
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unsigned int Tx_count, max_tx_len, Tx_offset=0, Tx_length,Tx_hdlc_len, Tx_encoded_hdlc_len;
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fd_set write;
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int err=0,i,tx_ok=1;
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unsigned char Tx_data[MAX_TX_DATA + sizeof(wp_api_hdr_t)];
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unsigned char Tx_hdlc_data[MAX_TX_DATA + sizeof(wp_api_hdr_t)];
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wanpipe_hdlc_engine_t *hdlc_eng;
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unsigned char next_idle;
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wanpipe_tdm_api_t tdm_api;
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int txdata=0;
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memset(&tdm_api,0,sizeof(tdm_api));
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hdlc_eng = wanpipe_reg_hdlc_engine();
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if (!hdlc_eng){
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printf("ERROR: Failed to register HDLC Engine\n");
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return;
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}
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Tx_count = 0;
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sangoma_get_full_cfg(slot->sock, &tdm_api);
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if (tdm_api.wp_tdm_cmd.hdlc) {
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Tx_length = max_tx_len = 100;
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}else{
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Tx_length = max_tx_len = sangoma_tdm_get_usr_mtu_mru(slot->sock, &tdm_api);
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}
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/* Send double of max so that a single big frame gets separated into two actual packets */
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Tx_hdlc_len=(max_tx_len*2);
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Tx_hdlc_len*= 0.75;
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printf("User MTU/MRU=%i Tx Len = %i \n",max_tx_len,Tx_hdlc_len);
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/* If running HDLC_STREAMING then the received CRC bytes
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* will be passed to the application as part of the
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* received data. The CRC bytes will be appended as the
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* last two bytes in the rx packet.
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*/
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memset(&Tx_data[0],0,MAX_TX_DATA + sizeof(wp_api_hdr_t));
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slot->data=0x0;
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for (i=0;i<Tx_hdlc_len;i++){
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if (slot->data){
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Tx_data[i+sizeof(wp_api_hdr_t)] = slot->data;
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}else{
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Tx_data[i+sizeof(wp_api_hdr_t)] = i;
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}
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}
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/* If drivers has been configured in HDLC_STREAMING
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* mode, the CRC bytes will be included into the
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* rx packet. Thus, the application should remove
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* the last two bytes of the frame.
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*
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* The no_CRC_bytes_Rx will indicate to the application
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* how many bytes to cut from the end of the rx frame.
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*
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*/
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printf("%s: Tx Starting to write on sock %i data (0x%X) f=%x l=%x hdr_sz=%i\n",
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slot->if_name,slot->sock,slot->data,Tx_data[sizeof(wp_api_hdr_t)],Tx_data[Tx_hdlc_len+sizeof(wp_api_hdr_t)-1],
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sizeof(wp_api_hdr_t));
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//pause();
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for(;;) {
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FD_ZERO(&write);
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FD_SET(slot->sock,&write);
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if (end){
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break;
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}
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/* The select function must be used to implement flow control.
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* WANPIPE socket will block the user if the socket cannot send
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* or there is nothing to receive.
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*
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* By using the last socket file descriptor +1 select will wait
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* for all active sockets.
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*/
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#if 1
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/* If we got busy on last frame repeat the frame */
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if (tx_ok == 1){
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#if 0
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printf("TX DATA ORIG: Len=%i\n",Tx_hdlc_len);
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print_packet(&Tx_data[sizeof(wp_api_hdr_t)],Tx_hdlc_len);
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#endif
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wanpipe_hdlc_encode(hdlc_eng,&Tx_data[sizeof(wp_api_hdr_t)],Tx_hdlc_len,&Tx_hdlc_data[sizeof(wp_api_hdr_t)],&Tx_encoded_hdlc_len,&next_idle);
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if (Tx_encoded_hdlc_len < (max_tx_len*2)){
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int j;
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for (j=0;j<((max_tx_len*2) - Tx_encoded_hdlc_len);j++){
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Tx_hdlc_data[sizeof(wp_api_hdr_t)+Tx_encoded_hdlc_len+j]=next_idle;
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}
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Tx_encoded_hdlc_len+=j;
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}
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#if 0
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printf("TX DATA HDLC: Olen=%i Len=%i\n",Tx_hdlc_len,Tx_encoded_hdlc_len);
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print_packet(&Tx_hdlc_data[sizeof(wp_api_hdr_t)],Tx_encoded_hdlc_len);
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#endif
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if (Tx_encoded_hdlc_len > (max_tx_len*2)){
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printf("Tx hdlc len > max %i\n",Tx_encoded_hdlc_len);
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continue;
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}
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Tx_length=max_tx_len;
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Tx_offset=0;
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//printf("INITIAL Fragment Chunk tx! %i Tx_encoded =%i \n", Tx_offset,Tx_encoded_hdlc_len);
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#if 0
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if ((Tx_count % 60) == 0){
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Tx_hdlc_len++; /* Introduce Error */
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}
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|
#endif
|
|
#if 0
|
|
printf("Data %i\n",Tx_hdlc_len);
|
|
for (i=0;i<Tx_hdlc_len;i++){
|
|
printf(" 0x%X",Tx_hdlc_data[sizeof(wp_api_hdr_t)+i]);
|
|
}
|
|
printf("\n");
|
|
#endif
|
|
tx_ok=0;
|
|
}
|
|
#endif
|
|
if(select(slot->sock + 1,NULL, &write, NULL, NULL)){
|
|
|
|
/* Check if the socket is ready to tx data */
|
|
if (FD_ISSET(slot->sock,&write)){
|
|
|
|
#if 1
|
|
err=sangoma_writemsg_tdm(slot->sock,
|
|
Tx_hdlc_data, sizeof(wp_api_hdr_t),
|
|
&Tx_hdlc_data[sizeof(wp_api_hdr_t)+Tx_offset],
|
|
Tx_length,0);
|
|
#endif
|
|
if (err > 0){
|
|
/* Packet sent ok */
|
|
//printf("\t\t%s:Packet sent: Len=%i Data=0x%x : %i\n",
|
|
// slot->if_name,err,slot->data,++Tx_count);
|
|
//putchar('T');
|
|
|
|
Tx_offset+=Tx_length;
|
|
|
|
if (Tx_offset >= Tx_encoded_hdlc_len){
|
|
//printf("LAST Chunk tx! %i \n", Tx_offset);
|
|
Tx_offset=0;
|
|
Tx_length=max_tx_len;
|
|
/* Last fragment transmitted */
|
|
/* pass throught */
|
|
} else {
|
|
Tx_length = Tx_encoded_hdlc_len - Tx_length;
|
|
if (Tx_length > max_tx_len) {
|
|
Tx_length=max_tx_len;
|
|
}
|
|
// printf("MIDDLE Fragment Chunk tx! %i \n", Tx_offset);
|
|
continue;
|
|
}
|
|
|
|
#if RAND_FRAME
|
|
if (Tx_count%10 == 0){
|
|
Tx_hdlc_len=myrand(max_tx_len*2*0.75);
|
|
for (i=0;i<Tx_hdlc_len;i++){
|
|
Tx_data[i+sizeof(wp_api_hdr_t)] = myrand(255);
|
|
}
|
|
mysrand(myrand(255));
|
|
}
|
|
#endif
|
|
|
|
|
|
#if 0
|
|
if (Tx_count%100 == 0) {
|
|
txdata = (txdata + 1) % 2;
|
|
for (i=0;i<Tx_hdlc_len;i++){
|
|
Tx_data[i+sizeof(wp_api_hdr_t)] = txdata;;
|
|
}
|
|
}
|
|
#endif
|
|
Tx_count++;
|
|
tx_ok=1;
|
|
}else{
|
|
if (errno != EBUSY){
|
|
printf("Errno = %i EBUSY=%i\n",errno,-EBUSY);
|
|
perror("Send Failed: ");
|
|
break;
|
|
}
|
|
/* The driver is busy, we must requeue this
|
|
* tx packet, and try resending it again
|
|
* later. */
|
|
}
|
|
|
|
}else{
|
|
printf("Error Tx nothing IFFSET\n");
|
|
}
|
|
|
|
#if 0
|
|
if (Tx_count > MAX_TX_FRAMES){
|
|
break;
|
|
}
|
|
#endif
|
|
#if 0
|
|
if (Tx_count % 500){
|
|
slot->data=slot->data+1;
|
|
for (i=0;i<Tx_length;i++){
|
|
Tx_data[i+sizeof(wp_api_hdr_t)] = slot->data;
|
|
}
|
|
tx_change_data=1;
|
|
tx_change_data_cnt=0;
|
|
}
|
|
#endif
|
|
} else {
|
|
printf("\nError selecting socket\n");
|
|
break;
|
|
}
|
|
}
|
|
//printf("\nTx Unloading HDLC\n");
|
|
wanpipe_unreg_hdlc_engine(hdlc_eng);
|
|
}
|
|
|
|
|
|
|
|
/***************************************************************
|
|
* Main:
|
|
*
|
|
* o Make a socket connection to the driver.
|
|
* o Call process_con() to read/write the socket
|
|
*
|
|
**************************************************************/
|
|
|
|
int main(int argc, char* argv[])
|
|
{
|
|
int proceed;
|
|
char router_name[20];
|
|
int x,i;
|
|
|
|
if (argc < 3){
|
|
printf("Usage: rec_wan_sock <router name> <interface name> <data> ...\n");
|
|
exit(0);
|
|
}
|
|
|
|
nice(-11);
|
|
|
|
signal(SIGINT,&sig_end);
|
|
signal(SIGTERM,&sig_end);
|
|
|
|
memset(&tslot_array,0,sizeof(tslot_array));
|
|
for (i=0;i<MAX_NUM_OF_TIMESLOTS;i++){
|
|
tslot_array[i].sock=-1;
|
|
}
|
|
|
|
strncpy(router_name,argv[1],(sizeof(router_name)-1));
|
|
|
|
|
|
for (x=1;x<argc-1;x++) {
|
|
|
|
strncpy(tslot_array[x].if_name, argv[x+1], MAX_IF_NAME);
|
|
printf("Connecting to IF=%s\n",tslot_array[x].if_name);
|
|
|
|
#if 1
|
|
proceed = MakeConnection(&tslot_array[x],router_name);
|
|
if( proceed == TRUE ){
|
|
|
|
printf("Creating %s with tx data 0x%x : Sock=%i : x=%i\n",
|
|
tslot_array[x].if_name,
|
|
tslot_array[x].data,
|
|
tslot_array[x].sock,
|
|
x);
|
|
|
|
if (!fork()){
|
|
signal(SIGINT,&sig_end);
|
|
signal(SIGTERM,&sig_end);
|
|
process_con_tx(&tslot_array[x]);
|
|
exit(0);
|
|
}
|
|
}else{
|
|
if (tslot_array[x].sock){
|
|
close(tslot_array[x].sock);
|
|
}
|
|
tslot_array[x].sock=-1;
|
|
}
|
|
#endif
|
|
}
|
|
|
|
process_con_rx();
|
|
|
|
for (x=0;x<MAX_NUM_OF_TIMESLOTS;x++){
|
|
if (tslot_array[x].sock){
|
|
close(tslot_array[x].sock);
|
|
tslot_array[x].sock=0;
|
|
}
|
|
}
|
|
|
|
/* Wait for the clear call children */
|
|
return 0;
|
|
};
|