/* starts the tcp processes */
int tcp_init_children()
{
int r;
int sockfd[2];
int reader_fd[2]; /* for comm. with the tcp children read */
pid_t pid;
/* create the tcp sock_info structures */
/* copy the sockets --moved to main_loop*/
/* fork children & create the socket pairs*/
for(r=0; r<tcp_children_no; r++){
if (socketpair(AF_UNIX, SOCK_STREAM, 0, sockfd)<0){
LOG(L_ERR, "ERROR: tcp_main: socketpair failed: %s\n",
strerror(errno));
goto error;
}
if (socketpair(AF_UNIX, SOCK_STREAM, 0, reader_fd)<0){
LOG(L_ERR, "ERROR: tcp_main: socketpair failed: %s\n",
strerror(errno));
goto error;
}
process_no++;
pid=fork();
if (pid<0){
LOG(L_ERR, "ERROR: tcp_main: fork failed: %s\n",
strerror(errno));
goto error;
}else if (pid>0){
/* parent */
close(sockfd[1]);
close(reader_fd[1]);
tcp_children[r].pid=pid;
tcp_children[r].proc_no=process_no;
tcp_children[r].busy=0;
tcp_children[r].n_reqs=0;
tcp_children[r].unix_sock=reader_fd[0];
pt[process_no].pid=pid;
pt[process_no].unix_sock=sockfd[0];
pt[process_no].idx=r;
strncpy(pt[process_no].desc, "tcp receiver", MAX_PT_DESC);
}else{
/* child */
close(sockfd[0]);
unix_tcp_sock=sockfd[1];
bind_address=0; /* force a SEGFAULT if someone uses a non-init.
bind address on tcp */
if (init_child(r+children_no+1) < 0) {
LOG(L_ERR, "init_children failed\n");
goto error;
}
tcp_receive_loop(reader_fd[1]);
}
}
return 0;
error:
return -1;
}
/*! \brief starts the tcp processes */
int tcp_init_children(int *chd_rank)
{
int r;
//int sockfd[2];
int reader_fd[2]; /* for comm. with the tcp children read */
pid_t pid;
struct socket_info *si;
atomic_t *load_p;
/* estimate max fd. no:
* 1 tcp send unix socket/all_proc,
* + 1 udp sock/udp proc + 1 tcp_child sock/tcp child*
* + no_listen_tcp */
for(r=0, si=tcp_listen; si; si=si->next, r++);
#ifdef USE_TLS
if (! tls_disable)
for (si=tls_listen; si; si=si->next, r++);
#endif
tcp_max_fd_no=counted_processes*2 +r-1 /* timer */ +3; /* stdin/out/err*/
tcp_max_fd_no+=tcp_max_connections;
/* create the tcp sock_info structures */
/* copy the sockets --moved to main_loop*/
load_p = shm_malloc(sizeof(atomic_t));
if (!load_p)
goto error;
memset(load_p,0,sizeof(atomic_t));
register_tcp_load_stat(load_p);
/* fork children & create the socket pairs*/
for(r=0; r<tcp_children_no; r++){
/*if (socketpair(AF_UNIX, SOCK_STREAM, 0, sockfd)<0){
LM_ERR("socketpair failed: %s\n", strerror(errno));
goto error;
}*/
if (socketpair(AF_UNIX, SOCK_STREAM, 0, reader_fd)<0){
LM_ERR("socketpair failed: %s\n", strerror(errno));
goto error;
}
(*chd_rank)++;
pid=internal_fork("SIP receiver TCP");
if (pid<0){
LM_ERR("fork failed\n");
goto error;
}else if (pid>0){
/* parent */
close(reader_fd[1]);
tcp_children[r].pid=pid;
tcp_children[r].proc_no=process_no;
tcp_children[r].busy=0;
tcp_children[r].n_reqs=0;
tcp_children[r].unix_sock=reader_fd[0];
}else{
/* child */
set_proc_attrs("TCP receiver");
pt[process_no].idx=r;
pt[process_no].load = load_p;
bind_address=0; /* force a SEGFAULT if someone uses a non-init.
bind address on tcp */
if (init_child(*chd_rank) < 0) {
LM_ERR("init_children failed\n");
exit(-1);
}
tcp_receive_loop(reader_fd[1]);
exit(-1);
}
}
return 0;
error:
return -1;
}
int main(int argv, char** argc )
{
printf("starting tests\n");
tcp_receive_loop();
}