SILC_LOG_DEBUG(("Creating TCP listener"));
- if (port < 1 || !schedule || !callback)
+ if (port < 0 || !schedule || !callback)
goto err;
listener = silc_calloc(1, sizeof(*listener));
}
/* Specify that we are listenning */
- rval = listen(sock, 5);
+ rval = listen(sock, 64);
if (rval < 0) {
SILC_LOG_ERROR(("Cannot set socket listenning: %s", strerror(errno)));
goto err;
stream =
silc_socket_udp_stream_create(sock, local_ip_addr ?
silc_net_is_ip6(local_ip_addr) : FALSE,
- schedule);
+ remote_ip_addr ? TRUE : FALSE, schedule);
if (!stream)
goto err;
inet_ntop(AF_INET, &s.sin.sin_addr, remote_ip_addr,
remote_ip_addr_size);
}
+
+ SILC_LOG_DEBUG(("UDP packet from %s:%d", remote_ip_addr, *remote_port));
}
return len;
/* Send UDP packet */
-void silc_net_udp_send(SilcStream stream,
- const char *remote_ip_addr, int remote_port,
- const unsigned char *data, SilcUInt32 data_len)
+int silc_net_udp_send(SilcStream stream,
+ const char *remote_ip_addr, int remote_port,
+ const unsigned char *data, SilcUInt32 data_len)
{
SilcSocketStream sock = stream;
SilcSockaddr remote;
+ int ret;
- SILC_LOG_DEBUG(("Writing data to UDP socket %d", sock->sock));
+ SILC_LOG_DEBUG(("Sending data to UDP socket %d", sock->sock));
- /* Set sockaddr for server */
+ /* Set sockaddr */
if (!silc_net_set_sockaddr(&remote, remote_ip_addr, remote_port))
- return;
+ return -2;
/* Send */
- sendto(sock->sock, data, data_len, 0, &remote.sa, SIZEOF_SOCKADDR(remote));
+ ret = sendto(sock->sock, data, data_len, 0, &remote.sa,
+ SIZEOF_SOCKADDR(remote));
+ if (ret < 0) {
+ if (errno == EAGAIN || errno == EINTR) {
+ SILC_LOG_DEBUG(("Could not send immediately, will do it later"));
+ silc_schedule_set_listen_fd(sock->schedule, sock->sock,
+ SILC_TASK_READ | SILC_TASK_WRITE, FALSE);
+ return -1;
+ }
+ SILC_LOG_DEBUG(("Cannot send to UDP socket: %s", strerror(errno)));
+ silc_schedule_unset_listen_fd(sock->schedule, sock->sock);
+ sock->sock_error = errno;
+ return -2;
+ }
+
+ SILC_LOG_DEBUG(("Sent data %d bytes", ret));
+ if (silc_schedule_get_fd_events(sock->schedule, sock->sock) &
+ SILC_TASK_WRITE)
+ silc_schedule_set_listen_fd(sock->schedule, sock->sock,
+ SILC_TASK_READ, FALSE);
+
+ return ret;
}
/* Asynchronous TCP/IP connecting */
SilcSocketStreamStatus stream_status;
SilcStream stream;
SilcFSMStruct fsm;
- SilcFSMSemaStruct sema;
+ SilcFSMEventStruct event;
SilcAsyncOperation op;
SilcAsyncOperation sop;
char *local_ip;
SILC_TASK_CALLBACK(silc_net_connect_wait)
{
SilcNetConnect conn = context;
- SILC_FSM_SEMA_POST(&conn->sema);
+ SILC_FSM_EVENT_SIGNAL(&conn->event);
+ silc_schedule_task_del_by_fd(schedule, conn->sock);
}
SILC_FSM_STATE(silc_net_connect_st_start)
if (conn->aborted) {
/** Aborted */
silc_fsm_next(fsm, silc_net_connect_st_finish);
- return SILC_FSM_CONTINUE;
+ SILC_FSM_CONTINUE;
}
/* Do host lookup */
/** Network unreachable */
conn->status = SILC_NET_HOST_UNREACHABLE;
silc_fsm_next(fsm, silc_net_connect_st_finish);
- return SILC_FSM_CONTINUE;
+ SILC_FSM_CONTINUE;
}
/* Set sockaddr for this connection */
if (!silc_net_set_sockaddr(&desthost, conn->ip_addr, conn->port)) {
/** Sockaddr failed */
silc_fsm_next(fsm, silc_net_connect_st_finish);
- return SILC_FSM_CONTINUE;
+ SILC_FSM_CONTINUE;
}
/* Create the connection socket */
/** Cannot create socket */
SILC_LOG_ERROR(("Cannot create socket: %s", strerror(errno)));
silc_fsm_next(fsm, silc_net_connect_st_finish);
- return SILC_FSM_CONTINUE;
+ SILC_FSM_CONTINUE;
}
/* Bind to the local address if provided */
/** Cannot connect to remote host */
SILC_LOG_ERROR(("Cannot connect to remote host: %s", strerror(errno)));
silc_fsm_next(fsm, silc_net_connect_st_finish);
- return SILC_FSM_CONTINUE;
+ SILC_FSM_CONTINUE;
}
}
/** Wait for connection */
silc_fsm_next(fsm, silc_net_connect_st_connected);
- silc_fsm_sema_init(&conn->sema, fsm, 0);
+ silc_fsm_event_init(&conn->event, fsm);
silc_schedule_task_add_fd(silc_fsm_get_schedule(fsm), sock,
silc_net_connect_wait, conn);
silc_schedule_set_listen_fd(silc_fsm_get_schedule(fsm), sock,
SILC_TASK_WRITE, FALSE);
- SILC_FSM_SEMA_WAIT(&conn->sema);
- return SILC_FSM_CONTINUE;
+ SILC_FSM_EVENT_WAIT(&conn->event);
+ SILC_FSM_CONTINUE;
}
static void silc_net_connect_wait_stream(SilcSocketStreamStatus status,
if (conn->aborted) {
/** Aborted */
silc_fsm_next(fsm, silc_net_connect_st_finish);
- return SILC_FSM_CONTINUE;
+ SILC_FSM_CONTINUE;
}
ret = silc_net_get_socket_opt(conn->sock, SOL_SOCKET, SO_ERROR,
conn->retry--;
silc_net_close_connection(conn->sock);
silc_fsm_next(fsm, silc_net_connect_st_start);
- return SILC_FSM_CONTINUE;
+ SILC_FSM_CONTINUE;
}
#if defined(ECONNREFUSED)
/** Connecting failed */
SILC_LOG_DEBUG(("Connecting failed"));
silc_fsm_next(fsm, silc_net_connect_st_finish);
- return SILC_FSM_CONTINUE;
+ SILC_FSM_CONTINUE;
}
/** Connection created */
if (conn->aborted) {
/** Aborted */
silc_fsm_next(fsm, silc_net_connect_st_finish);
- return SILC_FSM_CONTINUE;
+ SILC_FSM_CONTINUE;
}
if (conn->stream_status != SILC_SOCKET_OK) {
else
conn->status = SILC_NET_ERROR;
silc_fsm_next(fsm, silc_net_connect_st_finish);
- return SILC_FSM_CONTINUE;
+ SILC_FSM_CONTINUE;
}
/* Set stream information */
SILC_LOG_DEBUG(("Connected successfully"));
conn->status = SILC_NET_OK;
silc_fsm_next(fsm, silc_net_connect_st_finish);
- return SILC_FSM_CONTINUE;
+ SILC_FSM_CONTINUE;
}
SILC_FSM_STATE(silc_net_connect_st_finish)
silc_async_free(conn->sop);
}
- return SILC_FSM_FINISH;
+ SILC_FSM_FINISH;
}
static void silc_net_connect_abort(SilcAsyncOperation op, void *context)
/* Start async operation */
conn->op = silc_async_alloc(silc_net_connect_abort, NULL, conn);
if (!conn->op) {
+ silc_free(conn);
callback(SILC_NET_NO_MEMORY, NULL, context);
return NULL;
}
conn->local_ip = strdup(local_ip_addr);
conn->remote = strdup(remote_ip_addr);
if (!conn->remote) {
+ silc_async_free(conn->op);
+ silc_free(conn->local_ip);
+ silc_free(conn);
callback(SILC_NET_NO_MEMORY, NULL, context);
return NULL;
}
/* Set's the socket to non-blocking mode. */
-int silc_net_set_socket_nonblock(int sock)
+int silc_net_set_socket_nonblock(SilcSocket sock)
{
- return fcntl(sock, F_SETFL, fcntl(sock, F_GETFL, 0) | O_NONBLOCK);
+ return fcntl((int)sock, F_SETFL, fcntl(sock, F_GETFL, 0) | O_NONBLOCK);
}
/* Converts the IP number string from numbers-and-dots notation to