void handlerThread(int csockIn)
{
int sopt = 1, csock = csockIn;
ws_ctx_t *ws_ctx;
bool useHixie = TRUE;
ws_ctx = do_handshake(csock, &useHixie);
if (ws_ctx == NULL) {
handler_msg("No connection after handshake\n");
}
else
{
settings.handler(ws_ctx, useHixie);
if (pipe_error) {
handler_emsg("Closing due to SIGPIPE\n");
}
}
if (ws_ctx) {
ws_socket_free(ws_ctx);
} else {
shutdown(csock, SHUT_RDWR);
close(csock);
}
handler_msg("handler exit\n");
}
int start_server() {
int lsock, csock, pid, clilen, sopt = 1, i, res;
struct sockaddr_in serv_addr, cli_addr;
ws_ctx_t *ws_ctx;
fd_set myset;
struct timeval tv;
/* Initialize buffers */
lsock = socket(AF_INET, SOCK_STREAM, 0);
if (lsock < 0) { error("ERROR creating listener socket"); }
bzero((char *) &serv_addr, sizeof(serv_addr));
serv_addr.sin_family = AF_INET;
serv_addr.sin_port = htons(settings.listen_port);
/* Resolve listen address */
if (settings.listen_host && (settings.listen_host[0] != '\0')) {
if (resolve_host(&serv_addr.sin_addr, settings.listen_host) < -1) {
error("Could not resolve listen address");
return 1;
}
} else {
serv_addr.sin_addr.s_addr = INADDR_ANY;
}
setsockopt(lsock, SOL_SOCKET, SO_REUSEADDR, (char *)&sopt, sizeof(sopt));
if (bind(lsock, (struct sockaddr *) &serv_addr, sizeof(serv_addr)) < 0) {
error("ERROR on binding listener socket");
return 1;
}
int optval = 1;
if (setsockopt(lsock, IPPROTO_TCP, TCP_NODELAY, &optval, sizeof(int)) < 0) {
error("Cannot set TCP_NODELAY option on listen address");
return 1;
}
listen(lsock,100);
signal(SIGPIPE, signal_handler); // catch pipe
if (settings.daemon) {
;
// daemonize(lsock);
}
// Reep zombies
signal(SIGCHLD, SIG_IGN);
printf("Waiting for connections on %s:%d\n",
settings.listen_host, settings.listen_port);
while (websockify_loop) {
clilen = sizeof(cli_addr);
pipe_error = 0;
pid = 0;
// if (set_non_blocking(lsock) != 0) {
// return;
// }
// Set Accept socket to non blocking to allow to cancel
// requests
while (websockify_loop) {
tv.tv_sec = 0;
tv.tv_usec = 200000;
FD_ZERO(&myset);
FD_SET(lsock, &myset);
res = select(lsock+1, &myset, NULL, NULL, &tv);
/* EINTR */
if (res < 0 && errno == EINTR) {
continue;
}
if (res < 0) {
perror("select");
return 1;
}
if (res > 0) {
break;
}
}
if (!websockify_loop) {
fprintf(stderr, "Ending loop before accept\n");
return 0;
}
csock = accept(lsock,
(struct sockaddr *) &cli_addr,
&clilen);
fprintf(stderr, "After accept\n");
if (csock < 0) {
error("ERROR on accept");
continue;
}
handler_msg("got client connection from %s\n",
inet_ntoa(cli_addr.sin_addr));
// if (set_blocking(lsock) != 0) {
// return;
// }
if (!settings.run_once) {
handler_msg("forking handler process not supported. Abort\n");
abort();
// pid = fork();
}
if (pid == 0) { // handler process
ws_ctx = do_handshake(csock);
if (settings.run_once) {
// Successful connection, stop listening for new
// connections
close(lsock);
}
if (ws_ctx == NULL) {
handler_msg("No connection after handshake\n");
break; // Child process exits
}
settings.handler(ws_ctx);
if (pipe_error) {
handler_emsg("Closing due to SIGPIPE\n");
}
break; // Child process exits
} else { // parent process
settings.handler_id += 1;
}
}
if (pid == 0) {
if (ws_ctx) {
ws_socket_free(ws_ctx);
free_ws_ctx(ws_ctx);
} else {
shutdown(csock, SHUT_RDWR);
close(csock);
}
handler_msg("handler exit\n");
} else {
handler_msg("websockify exit\n");
}
return 0;
}
void timer_condition::load(const settings_t& s)
{
settings_t::const_iterator it = s.find("interval");
if (it != s.end())
set_interval(it.value().toInt());
}
void start_server() {
int lsock, csock, pid, clilen, sopt = 1, i;
struct sockaddr_in serv_addr, cli_addr;
ws_ctx_t *ws_ctx;
/* Initialize buffers */
lsock = socket(AF_INET, SOCK_STREAM, 0);
if (lsock < 0) { error("ERROR creating listener socket"); }
bzero((char *) &serv_addr, sizeof(serv_addr));
serv_addr.sin_family = AF_INET;
serv_addr.sin_port = htons(settings.listen_port);
/* Resolve listen address */
if (settings.listen_host && (settings.listen_host[0] != '\0')) {
if (resolve_host(&serv_addr.sin_addr, settings.listen_host) < -1) {
fatal("Could not resolve listen address");
}
} else {
serv_addr.sin_addr.s_addr = INADDR_ANY;
}
setsockopt(lsock, SOL_SOCKET, SO_REUSEADDR, (char *)&sopt, sizeof(sopt));
if (bind(lsock, (struct sockaddr *) &serv_addr, sizeof(serv_addr)) < 0) {
fatal("ERROR on binding listener socket");
}
listen(lsock,100);
signal(SIGPIPE, signal_handler); // catch pipe
if (settings.daemon) {
daemonize(lsock);
}
// Reep zombies
signal(SIGCHLD, SIG_IGN);
printf("Waiting for connections on %s:%d\n",
settings.listen_host, settings.listen_port);
while (1) {
clilen = sizeof(cli_addr);
pipe_error = 0;
pid = 0;
csock = accept(lsock,
(struct sockaddr *) &cli_addr,
&clilen);
if (csock < 0) {
error("ERROR on accept");
continue;
}
handler_msg("got client connection from %s\n",
inet_ntoa(cli_addr.sin_addr));
if (!settings.run_once) {
handler_msg("forking handler process\n");
pid = fork();
}
if (pid == 0) { // handler process
ws_ctx = do_handshake(csock);
if (settings.run_once) {
if (ws_ctx == NULL) {
// Not a real WebSocket connection
continue;
} else {
// Successful connection, stop listening for new
// connections
close(lsock);
}
}
if (ws_ctx == NULL) {
handler_msg("No connection after handshake\n");
break; // Child process exits
}
settings.handler(ws_ctx);
if (pipe_error) {
handler_emsg("Closing due to SIGPIPE\n");
}
break; // Child process exits
} else { // parent process
settings.handler_id += 1;
}
}
if (pid == 0) {
if (ws_ctx) {
ws_socket_free(ws_ctx);
free_ws_ctx(ws_ctx);
} else {
shutdown(csock, SHUT_RDWR);
close(csock);
}
handler_msg("handler exit\n");
} else {
handler_msg("websockify exit\n");
}
}