--- libaitio/src/sock.c	2013/11/22 08:53:17	1.4.4.8
+++ libaitio/src/sock.c	2013/11/22 10:30:21	1.4.4.15
@@ -3,7 +3,7 @@
 *  by Michael Pounov <misho@elwix.org>
 *
 * $Author: misho $
-* $Id: sock.c,v 1.4.4.8 2013/11/22 08:53:17 misho Exp $
+* $Id: sock.c,v 1.4.4.15 2013/11/22 10:30:21 misho Exp $
 *
 **************************************************************************
 The ELWIX and AITNET software is distributed under the following
@@ -51,7 +51,7 @@ io_closeClient(sched_task_t *task)
 {
 	sock_cli_t *cli = (sock_cli_t*) TASK_ARG(task);
 	sock_t *s = (sock_t*) cli->cli_parent;
-	int sock = (int) TASK_DATLEN(task);
+	int stat, sock = (int) TASK_DATLEN(task);
 
 	pthread_mutex_lock(&s->sock_mtx);
 	TAILQ_REMOVE(&s->sock_cli, cli, cli_node);
@@ -68,6 +68,15 @@ io_closeClient(sched_task_t *task)
 	AIT_FREE_VAL(&cli->cli_buf[1]);
 	AIT_FREE_VAL(&cli->cli_buf[0]);
 
+	/* if optional argument have pid */
+	if (TASK_DATA(task)) {
+		kill((pid_t) TASK_DATA(task), SIGTERM);
+		while (waitpid((pid_t) TASK_DATA(task), &stat, WNOHANG) > 0) {
+			usleep(1000);
+			kill((pid_t) TASK_DATA(task), SIGTERM);
+		}
+	}
+
 	e_free(cli);
 	taskExit(task, NULL);
 }
@@ -81,6 +90,8 @@ io_acceptClient(sched_task_t *task)
 	sock_cli_t *cli = NULL;
 	sock_t *s = (sock_t*) TASK_ARG(task);
 
+	ioUpdTimerSocket(cli, (void*) cli->cli_func);
+
 	if (s->sock_type == SOCK_STREAM) {
 		if ((c = accept(TASK_FD(task), &sa.sa, &salen)) == -1) {
 			LOGERR;
@@ -117,13 +128,101 @@ io_acceptClient(sched_task_t *task)
 	AIT_SET_BUFSIZ(&cli->cli_buf[1], 0, AIT_LEN(&s->sock_buf));
 
 	schedRead(TASK_ROOT(task), cli->cli_func, cli, cli->cli_fd, TASK_ARG(task), 0);
-	ioUpdTimerSocket(cli);
+	ioUpdTimerSocket(cli, NULL);
 end:
 	schedReadSelf(task);
 	taskExit(task, NULL);
 }
 
 static void *
+io_txNet(sched_task_t *task)
+{
+	int wlen;
+	sock_cli_t *cli = TASK_ARG(task);
+	sock_t *s = (sock_t*) cli->cli_parent;
+
+	ioUpdTimerSocket(cli, (void*) cli->cli_func);
+
+	if (s->sock_type == SOCK_STREAM)
+		wlen = send(TASK_FD(task), TASK_DATA(task), TASK_DATLEN(task), 0);
+	else
+		wlen = sendto(TASK_FD(task), TASK_DATA(task), TASK_DATLEN(task), 0, 
+				&cli->cli_addr.sa, cli->cli_addr.sa.sa_len);
+	if (wlen < 1)
+		schedEvent(TASK_ROOT(task), io_closeClient, cli, 0, 
+				(void*) cli->cli_func, cli->cli_fd);
+
+	taskExit(task, NULL);
+}
+
+static void *
+io_txPty(sched_task_t *task)
+{
+	int wlen;
+	sock_cli_t *cli = TASK_ARG(task);
+
+	wlen = write(TASK_FD(task), TASK_DATA(task), TASK_DATLEN(task));
+	if (wlen < 1)
+		schedEvent(TASK_ROOT(task), io_closeClient, cli, 0, 
+				(void*) cli->cli_func, cli->cli_fd);
+
+	taskExit(task, NULL);
+}
+
+static void *
+io_rxNet(sched_task_t *task)
+{
+	int rlen;
+	sock_cli_t *cli = TASK_ARG(task);
+	sock_t *s = (sock_t*) cli->cli_parent;
+	sockaddr_t sa;
+	socklen_t salen = sizeof sa.ss;
+
+	ioUpdTimerSocket(cli, (void*) cli->cli_func);
+
+	memset(AIT_GET_BUF(&cli->cli_buf[0]), 0, AIT_LEN(&cli->cli_buf[0]));
+	if (s->sock_type == SOCK_STREAM)
+		rlen = recv(TASK_FD(task), AIT_GET_BUF(&cli->cli_buf[0]), 
+				AIT_LEN(&cli->cli_buf[0]), 0);
+	else {
+		rlen = recvfrom(TASK_FD(task), AIT_GET_BUF(&cli->cli_buf[0]), 
+				AIT_LEN(&cli->cli_buf[0]), 0, &sa.sa, &salen);
+		if (e_addrcmp(&cli->cli_addr, &sa, 42))
+			goto end;
+	}
+	if (rlen < 1)
+		schedEvent(TASK_ROOT(task), io_closeClient, cli, 0, 
+				(void*) cli->cli_func, cli->cli_fd);
+	else
+		schedEvent(TASK_ROOT(task), io_txPty, cli, cli->cli_pty, 
+				AIT_GET_BUF(&cli->cli_buf[0]), rlen);
+end:
+	schedReadSelf(task);
+	taskExit(task, NULL);
+}
+
+static void *
+io_rxPty(sched_task_t *task)
+{
+	int rlen;
+	sock_cli_t *cli = TASK_ARG(task);
+
+	ioUpdTimerSocket(cli, (void*) cli->cli_func);
+
+	memset(AIT_GET_BUF(&cli->cli_buf[1]), 0, AIT_LEN(&cli->cli_buf[1]));
+	rlen = read(TASK_FD(task), AIT_GET_BUF(&cli->cli_buf[1]), AIT_LEN(&cli->cli_buf[1]));
+	if (rlen < 1)
+		schedEvent(TASK_ROOT(task), io_closeClient, cli, 0, 
+				(void*) cli->cli_func, cli->cli_fd);
+	else
+		schedEvent(TASK_ROOT(task), io_txNet, cli, cli->cli_fd, 
+				AIT_GET_BUF(&cli->cli_buf[1]), rlen);
+
+	schedReadSelf(task);
+	taskExit(task, NULL);
+}
+
+static void *
 io_bridgeClient(sched_task_t *task)
 {
 	int c, rlen;
@@ -183,11 +282,13 @@ io_bridgeClient(sched_task_t *task)
 			execv(*argv, argv);
 			break;
 		default:
-			schedRead(TASK_ROOT(task), io_rxPty, TASK_ARG(task), 
-					cli->cli_pty, NULL, 0);
-			schedRead(TASK_ROOT(task), io_rxNet, TASK_ARG(task), 
-					cli->cli_fd, NULL, 0);
-			ioUpdTimerSocket(cli);
+			cli->cli_func = (sched_task_func_t) pid;
+
+			schedRead(TASK_ROOT(task), io_rxPty, cli, cli->cli_pty, 
+					TASK_ARG(task), 0);
+			schedRead(TASK_ROOT(task), io_rxNet, cli, cli->cli_fd, 
+					TASK_ARG(task), 0);
+			ioUpdTimerSocket(cli, (void*) pid);
 			break;
 	}
 end:
@@ -381,10 +482,11 @@ ioUpSocket(sock_t * __restrict s, void *arg, int timeo
  * ioUpdTimerSocket() - Update timeout of socket
  *
  * @c = Client socket
+ * @arg = Optional data argument
  * return:  none
  */
 void
-ioUpdTimerSocket(sock_cli_t * __restrict c)
+ioUpdTimerSocket(sock_cli_t * __restrict c, void *arg)
 {
 	sock_t *s;
 
@@ -394,7 +496,7 @@ ioUpdTimerSocket(sock_cli_t * __restrict c)
 		s = c->cli_parent;
 
 	schedCancelby(s->sock_root, taskTIMER, CRITERIA_DATLEN, (void*) c->cli_fd, NULL);
-	schedTimer(s->sock_root, io_closeClient, c, s->sock_timeout, NULL, c->cli_fd);
+	schedTimer(s->sock_root, io_closeClient, c, s->sock_timeout, arg, c->cli_fd);
 }
 
 /*