+
+static void
+set_start_callback(struct ev_loop *loop, ev_io *watcher, int revents)
+{
+ AsyncIO *IO = watcher->data;
+
+ switch(IO->NextState) {
+ case eReadMessage:
+ ev_io_start(event_base, &IO->recv_event);
+ IO->active_event = RECV_EVENT;
+ break;
+ case eSendReply:
+ case eSendMore:
+ IO_send_callback(loop, watcher, revents);
+ break;
+ case eTerminateConnection:
+ case eAbort:
+ /// TODO: WHUT?
+ break;
+ }
+}
+
+static void
+IO_connect_callback(struct ev_loop *loop, ev_io *watcher, int revents)
+{
+ AsyncIO *IO = watcher->data;
+
+ ev_io_stop(event_base, &IO->conn_event);
+ IO->active_event = 0;
+ set_start_callback(loop, watcher, revents);
+}
+
+int event_connect_socket(AsyncIO *IO)
+{
+ int fdflags;
+ int rc = -1;
+
+ IO->SendBuf.fd =
+ IO->RecvBuf.fd =
+ IO->sock = socket(IO->curr_ai->ai_family,
+ IO->curr_ai->ai_socktype,
+ IO->curr_ai->ai_protocol);
+
+ if (IO->sock < 0) {
+ CtdlLogPrintf(CTDL_ERR, "EVENT: socket() failed: %s\n", strerror(errno));
+ StrBufPrintf(IO->ErrMsg, "Failed to create socket: %s", strerror(errno));
+// freeaddrinfo(res);
+ return -1;
+ }
+ fdflags = fcntl(IO->sock, F_GETFL);
+ if (fdflags < 0) {
+ CtdlLogPrintf(CTDL_DEBUG,
+ "EVENT: unable to get socket flags! %s \n",
+ strerror(errno));
+ StrBufPrintf(IO->ErrMsg, "Failed to get socket flags: %s", strerror(errno));
+ return -1;
+ }
+ fdflags = fdflags | O_NONBLOCK;
+ if (fcntl(IO->sock, F_SETFL, fdflags) < 0) {
+ CtdlLogPrintf(CTDL_DEBUG,
+ "EVENT: unable to set socket nonblocking flags! %s \n",
+ strerror(errno));
+ StrBufPrintf(IO->ErrMsg, "Failed to set socket flags: %s", strerror(errno));
+ close(IO->sock);
+ return -1;
+ }
+/* TODO: maye we could use offsetof() to calc the position of data...
+ * http://doc.dvgu.ru/devel/ev.html#associating_custom_data_with_a_watcher
+ */
+ ev_io_init(&IO->recv_event, IO_recv_callback, IO->sock, EV_READ);
+ IO->recv_event.data = IO;
+ ev_io_init(&IO->send_event, IO_send_callback, IO->sock, EV_WRITE);
+ IO->send_event.data = IO;
+
+ rc = connect(IO->sock, IO->curr_ai->ai_addr, IO->curr_ai->ai_addrlen);
+ if (rc >= 0) {
+//// freeaddrinfo(res);
+ ev_io_init(&IO->conn_event, IO_send_callback, IO->sock, EV_WRITE);
+ IO->conn_event.data = IO;
+ set_start_callback(event_base, &IO->conn_event, 0);
+
+ return 0;
+ }
+ else if (errno == EINPROGRESS) {
+ ev_io_init(&IO->conn_event, IO_connect_callback, IO->sock, EV_READ|EV_WRITE);
+ IO->conn_event.data = IO;
+/* TODO
+
+ event_set(&IO->conn_event,
+ IO->sock,
+ EV_READ|EV_WRITE|EV_PERSIST,
+ IO_connect_callback,
+ IO);
+*/
+ ev_io_start(event_base, &IO->conn_event);
+
+ IO->active_event = CONN_EVENT;
+ return 1;
+ }
+ else {
+ CtdlLogPrintf(CTDL_ERR, "connect() failed: %s\n", strerror(errno));
+ StrBufPrintf(IO->ErrMsg, "Failed to connect: %s", strerror(errno));
+ close(IO->sock);
+ IO->curr_ai = IO->curr_ai->ai_next;
+ if (IO->curr_ai != NULL)
+ return event_connect_socket(IO);
+ else
+ return -1;
+ }
+}
+