bool CGetter::start()
{
do
{
if (!get_ip_list())
break;
if (!send_http_request())
break;
if (!wait_response())
break;
return true;
} while(false);
return false;
}
int main(int argc, char *argv[], char *dummy[])
{
ushort tcp_port = 4711;
struct srv_info sinfo;
uint cmd;
uint max_msglen;
struct sockaddr_in srv_addr;
int lstn_sd, peer_sd;
int srv_id = 0, srv_cnt = 0;;
own_node_addr = own_node();
memset(&sinfo, 0, sizeof(sinfo));
if (signal(SIGALRM, sig_alarm) == SIG_ERR)
die("Server master: can't catch alarm signals\n");
printf("****** TIPC Benchmark Server Started ******\n");
/* Create socket for communication with master: */
reset:
master_sd = socket(AF_TIPC, SOCK_RDM, 0);
if (master_sd < 0)
die("Server: Can't create socket to master\n");
if (bind(master_sd, (struct sockaddr *)&srv_ctrl_addr,
sizeof(srv_ctrl_addr)))
die("Server: Failed to bind to master socket\n");
/* Wait for command from master: */
srv_from_master(&cmd, &max_msglen, 0, 0);
buf = malloc(max_msglen);
if (!buf)
die("Failed to create buffer of size %u\n", ntohl(max_msglen));
/* Create TIPC or TCP listening socket: */
if (cmd == TIPC_CONN) {
lstn_sd = socket (AF_TIPC, SOCK_STREAM,0);
if (lstn_sd < 0)
die("Server master: can't create listening socket\n");
if (bind(lstn_sd, (struct sockaddr *)&srv_lstn_addr,
sizeof(srv_lstn_addr)) < 0)
die("TIPC Server master: failed to bind port name\n");
printf("****** TIPC Listener Socket Created ******\n");
srv_to_master(SRV_INFO, 0);
close(master_sd);
} else if (cmd == TCP_CONN) {
if ((lstn_sd = socket(PF_INET, SOCK_STREAM, IPPROTO_TCP)) < 0)
die("TCP Server: failed to create listener socket");
/* Construct listener address structure */
memset(&srv_addr, 0, sizeof(srv_addr));
srv_addr.sin_family = AF_INET;
srv_addr.sin_addr.s_addr = htonl(INADDR_ANY);
srv_addr.sin_port = htons(tcp_port);
/* Bind socket to address */
while (0 > bind(lstn_sd, (struct sockaddr *) &srv_addr,
sizeof(srv_addr)))
srv_addr.sin_port = htons(++tcp_port);
/* Inform master about own IP addresses and listener port number */
get_ip_list(&sinfo, NULL);
sinfo.tcp_port = htons(tcp_port);
printf("****** TCP Listener Socket Created ******\n");
srv_to_master(SRV_INFO, &sinfo);
close(master_sd);
} else {
close(master_sd);
goto reset;
}
/* Listen for incoming connections */
if (listen(lstn_sd, 32) < 0)
die("Server: listen() failed");
while (1) {
if (waitpid(-1, NULL, WNOHANG) > 0) {
if (--srv_cnt)
continue;
close(lstn_sd);
printf("****** Listener Socket Deleted ******\n");
goto reset;
}
peer_sd = wait_for_connection(lstn_sd);
if (!peer_sd)
continue;
srv_id++;
srv_cnt++;
if (fork()) {
close(peer_sd);
continue;
}
/* Continue in child process */
close(lstn_sd);
dprintf("calling echo: peer_sd: %u, srv_cnt = %u\n",peer_sd, srv_cnt);
master_sd = socket(AF_TIPC, SOCK_RDM, 0);
if (master_sd < 0)
die("Server: Can't create socket to master\n");
if (bind(master_sd, (struct sockaddr *)&srv_ctrl_addr,
sizeof(srv_ctrl_addr)))
die("Server: Failed to bind to master socket\n");
echo_messages(peer_sd, master_sd, srv_id);
}
close(lstn_sd);
printf("****** TIPC Benchmark Server Finished ******\n");
exit(0);
return 0;
}