--- libaitrpc/src/srv.c	2012/05/14 08:39:06	1.9
+++ libaitrpc/src/srv.c	2012/05/17 11:16:20	1.9.2.21
@@ -3,7 +3,7 @@
 *  by Michael Pounov <misho@openbsd-bg.org>
 *
 * $Author: misho $
-* $Id: srv.c,v 1.9 2012/05/14 08:39:06 misho Exp $
+* $Id: srv.c,v 1.9.2.21 2012/05/17 11:16:20 misho Exp $
 *
 **************************************************************************
 The ELWIX and AITNET software is distributed under the following
@@ -46,30 +46,51 @@ SUCH DAMAGE.
 #include "global.h"
 
 
-static void *rxPacket(sched_task_t*);
-static void *rxBLOB(sched_task_t*);
+static void *
+closeClient(sched_task_t *task)
+{
+	rpc_cli_t *c = TASK_ARG(task);
+	rpc_srv_t *s = c->cli_parent;
 
+	schedCancelby(TASK_ROOT(task), taskMAX, CRITERIA_ARG, TASK_ARG(task), NULL);
+
+	/* close client socket */
+	if (TASK_VAL(task))
+		shutdown(c->cli_sock, SHUT_RDWR);
+	close(c->cli_sock);
+
+	/* free buffer */
+	AIT_FREE_VAL(&c->cli_buf);
+
+	io_arrayDel(s->srv_clients, c->cli_id, 42);
+	return NULL;
+}
+
 static void *
 txPacket(sched_task_t *task)
 {
 	rpc_cli_t *c = TASK_ARG(task);
 	rpc_srv_t *s = c->cli_parent;
 	rpc_func_t *f = NULL;
-	u_char *buf = TASK_DATA(task);
+	u_char buf[USHRT_MAX] = { 0 };
 	struct tagRPCCall *rpc = (struct tagRPCCall*) buf;
 	int ret, wlen = sizeof(struct tagRPCCall);
-	array_t *arr = NULL;
 
+	/* copy RPC header */
+	memcpy(buf, TASK_DATA(task), wlen);
+
 	if (rpc->call_argc) {
-		f = rpc_srv_getCall(s, ntohs(rpc->call_tag), ntohl(rpc->call_hash));
+		f = rpc_srv_getCall(s, ntohs(rpc->call_tag));
 		if (!f) {
+			rpc_SetErr(EPROGUNAVAIL, "Function not found at RPC server");
 			rpc->call_argc ^= rpc->call_argc;
 			rpc->call_rep.ret = RPC_ERROR(-1);
 			rpc->call_rep.eno = RPC_ERROR(rpc_Errno);
 		} else {
-			rpc->call_argc = htons(rpc_srv_getVars(f, &arr));
+			rpc->call_argc = htons(io_arraySize(f->func_vars));
 			/* Go Encapsulate variables */
-			ret = io_vars2buffer(buf + wlen, TASK_DATLEN(task) - wlen, arr);
+			ret = io_vars2buffer(buf + wlen, sizeof buf - wlen, f->func_vars);
+			/* Free return values */
 			io_clrVars(f->func_vars);
 			if (ret == -1) {
 				rpc_SetErr(EBADRPC, "Prepare RPC packet failed");
@@ -88,12 +109,11 @@ txPacket(sched_task_t *task)
 	rpc->call_crc = htons(crcFletcher16((u_short*) buf, wlen / 2));
 
 	/* send reply */
-	ret = send(TASK_FD(task), buf, wlen, 0);
-	if (ret == -1)
-		LOGERR;
-	else if (ret != wlen)
-		rpc_SetErr(EPROCUNAVAIL, "RPC reply, should be send %d bytes, "
-				"really sended %d bytes", wlen, ret);
+	ret = send(TASK_FD(task), buf, wlen, MSG_NOSIGNAL);
+	if (ret == -1 || ret != wlen) {
+		/* close connection */
+		schedEvent(TASK_ROOT(task), closeClient, c, 42, NULL, 0);
+	}
 
 	return NULL;
 }
@@ -105,14 +125,14 @@ execCall(sched_task_t *task)
 	rpc_srv_t *s = c->cli_parent;
 	rpc_func_t *f = NULL;
 	array_t *arr = NULL;
-	u_char *buf = TASK_DATA(task) + TASK_VAL(task);
+	u_char *buf = AIT_GET_BUF(&c->cli_buf) + TASK_VAL(task);
 	struct tagRPCCall *rpc = (struct tagRPCCall*) buf;
 	int argc = ntohs(rpc->call_argc);
 
 	/* Go decapsulate variables ... */
 	if (argc) {
 		arr = io_buffer2vars(buf + sizeof(struct tagRPCCall), 
-				TASK_DATLEN(task) - TASK_VAL(task) - sizeof(struct tagRPCCall), 
+				AIT_LEN(&c->cli_buf) - TASK_VAL(task) - sizeof(struct tagRPCCall), 
 				argc, 1);
 		if (!arr) {
 			rpc_SetErr(ERPCMISMATCH, "#%d - %s", io_GetErrno(), io_GetError());
@@ -121,9 +141,10 @@ execCall(sched_task_t *task)
 			rpc->call_rep.eno = RPC_ERROR(rpc_Errno);
 			return NULL;
 		}
-	}
+	} else
+		arr = NULL;
 
-	if (!(f = rpc_srv_getCall(s, ntohs(rpc->call_tag), ntohl(rpc->call_hash)))) {
+	if (!(f = rpc_srv_getCall(s, ntohs(rpc->call_tag)))) {
 		rpc_SetErr(EPROGUNAVAIL, "Function not found at RPC server");
 		rpc->call_argc ^= rpc->call_argc;
 		rpc->call_rep.ret = RPC_ERROR(-1);
@@ -141,13 +162,14 @@ execCall(sched_task_t *task)
 				/* without reply */
 				io_clrVars(f->func_vars);
 				rpc->call_argc ^= rpc->call_argc;
-			} else
-				rpc->call_argc = htons(rpc_srv_getVars(f, NULL));
+			} else {
+				/* reply */
+				rpc->call_argc = htons(io_arraySize(f->func_vars));
+			}
 		}
 	}
 
-	if (arr)
-		io_arrayDestroy(&arr);
+	io_arrayDestroy(&arr);
 	return NULL;
 }
 
@@ -156,42 +178,39 @@ rxPacket(sched_task_t *task)
 {
 	rpc_cli_t *c = TASK_ARG(task);
 	rpc_srv_t *s = c->cli_parent;
-	u_char *buf = TASK_DATA(task);
-	int rlen, noreply;
+	u_char *buf = AIT_GET_BUF(&c->cli_buf);
+	int len, rlen, noreply;
 	u_short crc, off = 0;
 	struct tagRPCCall *rpc;
-	struct timespec ts;
 
-	memset(buf, 0, TASK_DATLEN(task));
-	rlen = recv(TASK_FD(task), buf, TASK_DATLEN(task), 0);
-	if (rlen == -1) {
-		LOGERR;
-		c->cli_kill = kill;
+	memset(buf, 0, AIT_LEN(&c->cli_buf));
+	rlen = recv(TASK_FD(task), buf, AIT_LEN(&c->cli_buf), 0);
+	if (rlen < 1) {
+		/* close connection */
+		schedEvent(TASK_ROOT(task), closeClient, c, 42, NULL, 0);
 		return NULL;
-	} else if (!rlen) {	/* receive EOF */
-		c->cli_kill = kill;
-		return NULL;
 	}
 
 	do {
+		/* check RPC packet */
 		if (rlen < sizeof(struct tagRPCCall)) {
-			rpc_SetErr(ERPCMISMATCH, "Too short RPC packet");
+			rpc_SetErr(ERPCMISMATCH, "Short RPC packet");
 
-			schedRead(TASK_ROOT(task), rxPacket, TASK_ARG(task), TASK_FD(task), 
-					TASK_DATA(task), TASK_DATLEN(task));
+			schedReadSelf(task);
 			return NULL;
 		} else
 			rpc = (struct tagRPCCall*) (buf + off);
 
-		rlen -= ntohs(rpc->call_len);
+		len = ntohs(rpc->call_len);
+		rlen -= len;
 
 		/* check integrity of packet */
 		crc = ntohs(rpc->call_crc);
 		rpc->call_crc ^= rpc->call_crc;
-		if (crc != crcFletcher16((u_short*) (buf + off), ntohs(rpc->call_len) / 2)) {
+		if (crc != crcFletcher16((u_short*) (buf + off), len / 2)) {
 			rpc_SetErr(ERPCMISMATCH, "Bad CRC RPC packet");
 
-			off += ntohs(rpc->call_len);
+			off += len;
 			if (rlen < 1)
 				break;
 			else
@@ -207,79 +226,93 @@ rxPacket(sched_task_t *task)
 			rpc->call_rep.ret = RPC_ERROR(-1);
 			rpc->call_rep.eno = RPC_ERROR(errno);
 		} else {
-			/* change socket timeout from last packet */
-			ts.tv_sec = rpc->call_session.sess_timeout;
-			ts.tv_nsec = 0;
-			schedPolling(TASK_ROOT(task), &ts, NULL);
-
 			/* execute RPC call */
-			schedEvent(TASK_ROOT(task), execCall, TASK_ARG(task), off, 
-					TASK_DATA(task), TASK_DATLEN(task));
+			schedEvent(TASK_ROOT(task), execCall, TASK_ARG(task), off, NULL, 0);
 		}
 
 		/* send RPC reply */
 		if (!noreply)
-			schedWrite(TASK_ROOT(task), txPacket, TASK_ARG(task), TASK_FD(task), 
-					buf + off, TASK_DATLEN(task) - off);
+			schedWrite(TASK_ROOT(task), txPacket, TASK_ARG(task), TASK_FD(task), rpc, len);
 
-		off += ntohs(rpc->call_len);
+		off += len;
 	} while (rlen > 0);
 
 	/* lets get next packet */
-	schedRead(TASK_ROOT(task), rxPacket, TASK_ARG(task), TASK_FD(task), 
-			TASK_DATA(task), TASK_DATLEN(task));
+	schedReadSelf(task);
 	return NULL;
 }
 
 static void *
-rpc_srv_dispatchCall(void *arg)
+acceptClients(sched_task_t *task)
 {
-	rpc_cli_t *c = arg;
-	rpc_srv_t *s;
-	u_char *buf;
-	sched_root_task_t *root;
-	struct timespec ts = { DEF_RPC_TIMEOUT, 0 };
+	rpc_srv_t *srv = TASK_ARG(task);
+	rpc_cli_t *c = NULL;
+	register int i;
+	socklen_t salen = sizeof(io_sockaddr_t);
 
-	if (!arg) {
-		rpc_SetErr(EINVAL, "Invalid parameter can`t procced RPC client");
-		return NULL;
-	} else
-		s = c->cli_parent;
-
-	/* allocate net buffer */
-	buf = malloc(s->srv_netbuf);
-	if (!buf) {
+	/* check free slots for connect */
+	for (i = 0; i < io_arraySize(srv->srv_clients) && 
+			(c = io_array(srv->srv_clients, i, rpc_cli_t*)); i++);
+	if (c)	/* no more free slots! */
+		goto end;
+	c = malloc(sizeof(rpc_cli_t));
+	if (!c) {
 		LOGERR;
+		srv->srv_kill = 1;
 		return NULL;
-	}
-
-	root = schedBegin();
-	if (!root) {
-		rpc_SetErr(sched_GetErrno(), "%s", sched_GetError());
-		free(buf);
-		return NULL;
 	} else {
-		schedTermCondition(root, kill);
-		schedPolling(root, &ts, NULL);
+		memset(c, 0, sizeof(rpc_cli_t));
+		io_arraySet(srv->srv_clients, i, c);
+		c->cli_id = i;
+		c->cli_parent = srv;
 	}
 
-	schedRead(root, rxPacket, c, c->cli_sock, buf, s->srv_netbuf);
+	/* alloc empty buffer */
+	AIT_SET_BUF2(&c->cli_buf, 0, srv->srv_netbuf);
 
-	schedRun(root, (void*) &c->cli_kill);
-	schedEnd(&root);
+	/* accept client */
+	c->cli_sock = accept(TASK_FD(task), &c->cli_sa.sa, &salen);
+	if (c->cli_sock == -1) {
+		LOGERR;
+		AIT_FREE_VAL(&c->cli_buf);
+		io_arrayDel(srv->srv_clients, i, 42);
+		goto end;
+	} else
+		fcntl(c->cli_sock, F_SETFL, fcntl(c->cli_sock, F_GETFL) | O_NONBLOCK);
 
-	shutdown(c->cli_sock, SHUT_RDWR);
-	close(c->cli_sock);
-	memset(c, 0, sizeof(rpc_cli_t));
-	free(buf);
+	schedRead(TASK_ROOT(task), rxPacket, c, c->cli_sock, NULL, 0);
+end:
+	schedReadSelf(task);
 	return NULL;
 }
 
+/* ------------------------------------------------------ */
 
 static void *
+closeBLOBClient(sched_task_t *task)
+{
+	rpc_cli_t *c = TASK_ARG(task);
+	rpc_srv_t *s = c->cli_parent;
+
+	schedCancelby(TASK_ROOT(task), taskMAX, CRITERIA_ARG, TASK_ARG(task), NULL);
+
+	/* close client socket */
+	if (TASK_VAL(task))
+		shutdown(c->cli_sock, SHUT_RDWR);
+	close(c->cli_sock);
+
+	/* free buffer */
+	AIT_FREE_VAL(&c->cli_buf);
+
+	io_arrayDel(s->srv_blob.clients, c->cli_id, 42);
+	return NULL;
+}
+
+static void *
 txBLOB(sched_task_t *task)
 {
-	u_char *buf = TASK_DATA(task);
+	rpc_cli_t *c = TASK_ARG(task);
+	u_char *buf = AIT_GET_BUF(&c->cli_buf);
 	struct tagBLOBHdr *blob = (struct tagBLOBHdr *) buf;
 	int wlen = sizeof(struct tagBLOBHdr);
 
@@ -288,12 +321,11 @@ txBLOB(sched_task_t *task)
 	blob->hdr_crc = htons(crcFletcher16((u_short*) buf, wlen / 2));
 
 	/* send reply */
-	wlen = send(TASK_FD(task), buf, wlen, 0);
-	if (wlen == -1)
-		LOGERR;
-	else if (wlen != sizeof(struct tagBLOBHdr))
-		rpc_SetErr(EPROCUNAVAIL, "RPC reply, should be send %d bytes, "
-				"really sended %d bytes", sizeof(struct tagBLOBHdr), wlen);
+	wlen = send(TASK_FD(task), buf, wlen, MSG_NOSIGNAL);
+	if (wlen == -1 || wlen != sizeof(struct tagBLOBHdr)) {
+		/* close blob connection */
+		schedEvent(TASK_ROOT(task), closeBLOBClient, c, 42, NULL, 0);
+	}
 
 	return NULL;
 }
@@ -304,38 +336,24 @@ rxBLOB(sched_task_t *task)
 	rpc_cli_t *c = TASK_ARG(task);
 	rpc_srv_t *s = c->cli_parent;
 	rpc_blob_t *b;
-	u_char *buf = TASK_DATA(task);
+	u_char *buf = AIT_GET_BUF(&c->cli_buf);
 	struct tagBLOBHdr *blob = (struct tagBLOBHdr *) buf;
 	int rlen;
 	u_short crc;
-	struct timespec ts;
 
-	/* check for disable service at this moment? */
-	if (!s || s->srv_blob.state == disable) {
-		usleep(100000);
-#ifdef HAVE_PTHREAD_YIELD
-		pthread_yield();
-#endif
-		schedRead(TASK_ROOT(task), rxBLOB, TASK_ARG(task), TASK_FD(task), 
-				TASK_DATA(task), TASK_DATLEN(task));
+	memset(buf, 0, AIT_LEN(&c->cli_buf));
+	rlen = recv(TASK_FD(task), buf, AIT_LEN(&c->cli_buf), 0);
+	if (rlen < 1) {
+		/* close blob connection */
+		schedEvent(TASK_ROOT(task), closeBLOBClient, c, 42, NULL, 0);
 		return NULL;
 	}
 
-	memset(buf, 0, TASK_DATLEN(task));
-	rlen = recv(TASK_FD(task), buf, TASK_DATLEN(task), 0);
-	if (rlen == -1) {
-		LOGERR;
-		c->cli_kill = kill;
-		return NULL;
-	} else if (!rlen) { /* receive EOF */
-		c->cli_kill = kill;
-		return NULL;
-	}
-
+	/* check BLOB packet */
 	if (rlen < sizeof(struct tagBLOBHdr)) {
-		rpc_SetErr(ERPCMISMATCH, "Too short BLOB packet");
-		schedRead(TASK_ROOT(task), rxBLOB, TASK_ARG(task), TASK_FD(task), 
-				TASK_DATA(task), TASK_DATLEN(task));
+		rpc_SetErr(ERPCMISMATCH, "Short BLOB packet");
+
+		schedReadSelf(task);
 		return NULL;
 	}
 
@@ -344,8 +362,8 @@ rxBLOB(sched_task_t *task)
 	blob->hdr_crc ^= blob->hdr_crc;
 	if (crc != crcFletcher16((u_short*) buf, rlen / 2)) {
 		rpc_SetErr(ERPCMISMATCH, "Bad CRC BLOB packet");
-		schedRead(TASK_ROOT(task), rxBLOB, TASK_ARG(task), TASK_FD(task), 
-				TASK_DATA(task), TASK_DATLEN(task));
+
+		schedReadSelf(task);
 		return NULL;
 	}
 
@@ -354,11 +372,6 @@ rxBLOB(sched_task_t *task)
 		rpc_SetErr(ERPCMISMATCH, "Get invalid RPC session");
 		blob->hdr_cmd = error;
 		goto end;
-	} else {
-		/* change socket timeout from last packet */
-		ts.tv_sec = blob->hdr_session.sess_timeout;
-		ts.tv_nsec = 0;
-		schedPolling(TASK_ROOT(task), &ts, NULL);
 	}
 
 	/* Go to proceed packet ... */
@@ -407,58 +420,56 @@ rxBLOB(sched_task_t *task)
 	}
 
 end:
-	schedWrite(TASK_ROOT(task), txBLOB, TASK_ARG(task), TASK_FD(task), 
-			TASK_DATA(task), TASK_DATLEN(task));
-	schedRead(TASK_ROOT(task), rxBLOB, TASK_ARG(task), TASK_FD(task), 
-			TASK_DATA(task), TASK_DATLEN(task));
+	schedWrite(TASK_ROOT(task), txBLOB, TASK_ARG(task), TASK_FD(task), NULL, 0);
+	schedReadSelf(task);
 	return NULL;
 }
 
 static void *
-rpc_srv_dispatchVars(void *arg)
+acceptBLOBClients(sched_task_t *task)
 {
-	rpc_cli_t *c = arg;
-	rpc_srv_t *s;
-	sched_root_task_t *root;
-	u_char *buf;
-	struct timespec ts = { DEF_RPC_TIMEOUT, 0 };
+	rpc_srv_t *srv = TASK_ARG(task);
+	rpc_cli_t *c = NULL;
+	register int i;
+	socklen_t salen = sizeof(io_sockaddr_t);
 
-	if (!arg) {
-		rpc_SetErr(EINVAL, "Invalid parameter can`t procced BLOB");
-		return NULL;
-	} else
-		s = c->cli_parent;
-
-	/* allocate net buffer */
-	buf = malloc(sizeof(struct tagBLOBHdr));
-	if (!buf) {
+	/* check free slots for connect */
+	for (i = 0; i < io_arraySize(srv->srv_blob.clients) && 
+			(c = io_array(srv->srv_blob.clients, i, rpc_cli_t*)); i++);
+	if (c)	/* no more free slots! */
+		goto end;
+	c = malloc(sizeof(rpc_cli_t));
+	if (!c) {
 		LOGERR;
+		srv->srv_kill = srv->srv_blob.kill = 1;
 		return NULL;
-	}
-
-	root = schedBegin();
-	if (!root) {
-		rpc_SetErr(sched_GetErrno(), "%s", sched_GetError());
-		free(buf);
-		return NULL;
 	} else {
-		schedTermCondition(root, kill);
-		schedPolling(root, &ts, NULL);
+		memset(c, 0, sizeof(rpc_cli_t));
+		io_arraySet(srv->srv_blob.clients, i, c);
+		c->cli_id = i;
+		c->cli_parent = srv;
 	}
 
-	schedRead(root, rxBLOB, c, c->cli_sock, buf, sizeof(struct tagBLOBHdr));
+	/* alloc empty buffer */
+	AIT_SET_BUF2(&c->cli_buf, 0, srv->srv_netbuf);
 
-	schedRun(root, (void*) &c->cli_kill);
-	schedEnd(&root);
+	/* accept client */
+	c->cli_sock = accept(TASK_FD(task), &c->cli_sa.sa, &salen);
+	if (c->cli_sock == -1) {
+		LOGERR;
+		AIT_FREE_VAL(&c->cli_buf);
+		io_arrayDel(srv->srv_blob.clients, i, 42);
+		goto end;
+	} else
+		fcntl(c->cli_sock, F_SETFL, fcntl(c->cli_sock, F_GETFL) | O_NONBLOCK);
 
-	shutdown(c->cli_sock, SHUT_RDWR);
-	close(c->cli_sock);
-	memset(c, 0, sizeof(rpc_cli_t));
-	free(buf);
+	schedRead(TASK_ROOT(task), rxBLOB, c, c->cli_sock, NULL, 0);
+end:
+	schedReadSelf(task);
 	return NULL;
 }
 
-// -------------------------------------------------
+/* ------------------------------------------------------ */
 
 /*
  * rpc_srv_initBLOBServer() - Init & create BLOB Server
@@ -472,16 +483,11 @@ int
 rpc_srv_initBLOBServer(rpc_srv_t * __restrict srv, u_short Port, const char *diskDir)
 {
 	int n = 1;
-	io_sockaddr_t sa;
 
-	if (!srv) {
+	if (!srv || srv->srv_kill) {
 		rpc_SetErr(EINVAL, "Invalid parameters can`t init BLOB server");
 		return -1;
 	}
-	if (srv->srv_blob.state) {
-		rpc_SetErr(EPERM, "Already started BLOB server!");
-		return 0;
-	}
 
 	memset(&srv->srv_blob, 0, sizeof srv->srv_blob);
 	if (access(diskDir, R_OK | W_OK) == -1) {
@@ -490,25 +496,29 @@ rpc_srv_initBLOBServer(rpc_srv_t * __restrict srv, u_s
 	} else
 		AIT_SET_STR(&srv->srv_blob.dir, diskDir);
 
-	srv->srv_blob.server.cli_tid = pthread_self();
+	/* init blob list */
+	TAILQ_INIT(&srv->srv_blob.blobs);
+
 	srv->srv_blob.server.cli_parent = srv;
 
-	memcpy(&sa, &srv->srv_server.cli_sa, sizeof sa);
-	switch (sa.sa.sa_family) {
+	memcpy(&srv->srv_blob.server.cli_sa, &srv->srv_server.cli_sa, sizeof(io_sockaddr_t));
+	switch (srv->srv_blob.server.cli_sa.sa.sa_family) {
 		case AF_INET:
-			sa.sin.sin_port = htons(Port ? Port : ntohs(sa.sin.sin_port) + 1);
+			srv->srv_blob.server.cli_sa.sin.sin_port = 
+				htons(Port ? Port : ntohs(srv->srv_blob.server.cli_sa.sin.sin_port) + 1);
 			break;
 		case AF_INET6:
-			sa.sin6.sin6_port = htons(Port ? Port : ntohs(sa.sin6.sin6_port) + 1);
+			srv->srv_blob.server.cli_sa.sin6.sin6_port = 
+				htons(Port ? Port : ntohs(srv->srv_blob.server.cli_sa.sin6.sin6_port) + 1);
 			break;
 		case AF_LOCAL:
-			strlcat(sa.sun.sun_path, ".blob", sizeof sa.sun.sun_path);
+			strlcat(srv->srv_blob.server.cli_sa.sun.sun_path, ".blob", 
+					sizeof srv->srv_blob.server.cli_sa.sun.sun_path);
 			break;
 		default:
 			AIT_FREE_VAL(&srv->srv_blob.dir);
 			return -1;
 	}
-	memcpy(&srv->srv_blob.server.cli_sa, &sa, sizeof sa);
 
 	/* create BLOB server socket */
 	srv->srv_blob.server.cli_sock = socket(srv->srv_server.cli_sa.sa.sa_family, SOCK_STREAM, 0);
@@ -544,22 +554,25 @@ rpc_srv_initBLOBServer(rpc_srv_t * __restrict srv, u_s
 		return -1;
 	}
 
-	/* allocate pool for concurent clients */
-	srv->srv_blob.clients = calloc(srv->srv_numcli, sizeof(rpc_cli_t));
+	/* allocate pool for concurent blob clients */
+	srv->srv_blob.clients = io_arrayInit(io_arraySize(srv->srv_clients));
 	if (!srv->srv_blob.clients) {
-		LOGERR;
+		rpc_SetErr(io_GetErrno(), "%s", io_GetError());
 		close(srv->srv_blob.server.cli_sock);
 		AIT_FREE_VAL(&srv->srv_blob.dir);
 		return -1;
-	} else
-		memset(srv->srv_blob.clients, 0, srv->srv_numcli * sizeof(rpc_cli_t));
+	}
 
-	rpc_srv_registerCall(srv, NULL, CALL_BLOBSHUTDOWN, 0);
-	rpc_srv_registerCall(srv, NULL, CALL_BLOBCLIENTS, 1);
-	rpc_srv_registerCall(srv, NULL, CALL_BLOBVARS, 1);
-	rpc_srv_registerCall(srv, NULL, CALL_BLOBSTATE, 0);
+	/* init blob scheduler */
+	srv->srv_blob.root = schedBegin();
+	if (!srv->srv_blob.root) {
+		rpc_SetErr(sched_GetErrno(), "%s", sched_GetError());
+		io_arrayDestroy(&srv->srv_blob.clients);
+		close(srv->srv_blob.server.cli_sock);
+		AIT_FREE_VAL(&srv->srv_blob.dir);
+		return -1;
+	}
 
-	srv->srv_blob.state = enable;	/* enable BLOB */
 	return 0;
 }
 
@@ -574,115 +587,74 @@ rpc_srv_endBLOBServer(rpc_srv_t * __restrict srv)
 {
 	rpc_cli_t *c;
 	register int i;
-	rpc_blob_t *f;
+	rpc_blob_t *b, *tmp;
 
-	if (!srv || srv->srv_blob.state == disable)
+	if (!srv)
 		return;
-	else
-		srv->srv_blob.state = kill;
 
-	rpc_srv_unregisterCall(srv, NULL, CALL_BLOBSHUTDOWN);
-	rpc_srv_unregisterCall(srv, NULL, CALL_BLOBCLIENTS);
-	rpc_srv_unregisterCall(srv, NULL, CALL_BLOBVARS);
-	rpc_srv_unregisterCall(srv, NULL, CALL_BLOBSTATE);
+	if (srv->srv_blob.tid) {
+		pthread_cancel(srv->srv_blob.tid);
+		pthread_join(srv->srv_blob.tid, NULL);
+	}
 
 	/* close all clients connections & server socket */
-	for (i = 0, c = srv->srv_blob.clients; i < srv->srv_numcli && c; i++, c++)
-		if (c->cli_sa.sa.sa_family)
+	for (i = 0; i < io_arraySize(srv->srv_blob.clients); i++) {
+		c = io_array(srv->srv_blob.clients, i, rpc_cli_t*);
+		if (c) {
 			shutdown(c->cli_sock, SHUT_RDWR);
-	close(srv->srv_blob.server.cli_sock);
+			close(c->cli_sock);
 
-	if (srv->srv_blob.clients) {
-		free(srv->srv_blob.clients);
-		srv->srv_blob.clients = NULL;
+			schedCancelby(srv->srv_blob.root, taskMAX, CRITERIA_ARG, c, NULL);
+			AIT_FREE_VAL(&c->cli_buf);
+		}
+		io_arrayDel(srv->srv_blob.clients, i, 42);
 	}
+	io_arrayDestroy(&srv->srv_blob.clients);
 
+	close(srv->srv_blob.server.cli_sock);
+
 	/* detach blobs */
-	while ((f = srv->srv_blob.blobs)) {
-		srv->srv_blob.blobs = f->blob_next;
-		rpc_srv_blobFree(srv, f);
-		free(f);
+	TAILQ_FOREACH_SAFE(b, &srv->srv_blob.blobs, blob_node, tmp) {
+		TAILQ_REMOVE(&srv->srv_blob.blobs, b, blob_node);
+
+		rpc_srv_blobFree(srv, b);
+		free(b);
 	}
 
+	schedEnd(&srv->srv_blob.root);
 	AIT_FREE_VAL(&srv->srv_blob.dir);
-
-	/* at final, save disable BLOB service state */
-	srv->srv_blob.state = disable;
 }
 
 /*
- * rpc_srv_loopBLOB() - Execute Main BLOB server loop and wait for clients requests
+ * rpc_srv_loopBLOBServer() - Execute Main BLOB server loop and wait for clients requests
  *
  * @srv = RPC Server instance
  * return: -1 error or 0 ok, infinite loop ...
  */
 int
-rpc_srv_loopBLOB(rpc_srv_t * __restrict srv)
+rpc_srv_loopBLOBServer(rpc_srv_t * __restrict srv)
 {
-	socklen_t salen = sizeof(io_sockaddr_t);
-	register int i;
-	rpc_cli_t *c;
-	int ret;
-	pthread_attr_t attr;
-	struct pollfd pfd;
-
-	if (!srv || srv->srv_blob.state == kill) {
+	if (!srv || srv->srv_kill) {
 		rpc_SetErr(EINVAL, "Invalid parameter can`t start BLOB server");
 		return -1;
 	}
 
-	if (listen(srv->srv_blob.server.cli_sock, SOMAXCONN) == -1) {
+	fcntl(srv->srv_blob.server.cli_sock, F_SETFL, 
+			fcntl(srv->srv_blob.server.cli_sock, F_GETFL) | O_NONBLOCK);
+
+	if (listen(srv->srv_blob.server.cli_sock, io_arraySize(srv->srv_blob.clients)) == -1) {
 		LOGERR;
 		return -1;
-	} else
-		fcntl(srv->srv_blob.server.cli_sock, F_SETFL, 
-				fcntl(srv->srv_blob.server.cli_sock, F_GETFL) | O_NONBLOCK);
+	}
 
-	pthread_attr_init(&attr);
-	pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
-
-	pfd.fd = srv->srv_blob.server.cli_sock;
-	pfd.events = POLLIN | POLLPRI;
-	/* main BLOB loop */
-	while (srv->srv_blob.state != kill && srv->srv_kill != kill) {
-		for (c = srv->srv_blob.clients, i = 0; i < srv->srv_numcli && c; i++, c++)
-			if (!c->cli_sa.sa.sa_family)
-				break;
-		if (i >= srv->srv_numcli) {
-#ifdef HAVE_PTHREAD_YIELD
-			pthread_yield();
-#else
-			usleep(1000000);
-#endif
-			continue;
-		}
-
-		if ((ret = poll(&pfd, 1, srv->srv_session.sess_timeout * 1000)) == -1 || 
-				pfd.revents & (POLLERR | POLLHUP | POLLNVAL)) {
-			LOGERR;
-			ret = 1;
-			break;
-		} else if (!ret)
-			continue;
-
-		c->cli_sock = accept(srv->srv_blob.server.cli_sock, &c->cli_sa.sa, &salen);
-		if (c->cli_sock == -1) {
-			LOGERR;
-			continue;
-		} else
-			c->cli_parent = srv;
-
-		/* spawn dispatch thread for BLOB client */
-		c->cli_kill = enable;
-		if (pthread_create(&c->cli_tid, &attr, rpc_srv_dispatchVars, c)) {
-			LOGERR;
-			continue;
-		}
+	if (!schedRead(srv->srv_blob.root, acceptBLOBClients, srv, 
+				srv->srv_blob.server.cli_sock, NULL, 0)) {
+		rpc_SetErr(sched_GetErrno(), "%s", sched_GetError());
+		return -1;
 	}
 
-	srv->srv_blob.state = kill;
-
-	pthread_attr_destroy(&attr);
+	/* main rpc loop */
+	schedRun(srv->srv_blob.root, &srv->srv_blob.kill);
 	return 0;
 }
 
@@ -694,64 +666,39 @@ rpc_srv_loopBLOB(rpc_srv_t * __restrict srv)
  * @regProcID = ProcessID for authentication & recognition
  * @concurentClients = Concurent clients at same time to this server
  * @netBuf = Network buffer length, if =0 == BUFSIZ (also meaning max RPC packet)
- * @family = Family type, AF_INET, AF_INET6 or AF_LOCAL
  * @csHost = Host name or address for bind server, if NULL any address
  * @Port = Port for bind server, if Port == 0 default port is selected
  * return: NULL == error or !=NULL bind and created RPC server instance
  */
 rpc_srv_t *
-rpc_srv_initServer(u_int regProgID, u_int regProcID, int concurentClients, 
-		int netBuf, u_short family, const char *csHost, u_short Port)
+rpc_srv_initServer(u_int regProgID, u_char regProcID, int concurentClients, 
+		int netBuf, const char *csHost, u_short Port)
 {
-	rpc_srv_t *srv = NULL;
 	int n = 1;
-	struct hostent *host = NULL;
+	rpc_srv_t *srv = NULL;
 	io_sockaddr_t sa;
 
-	if (!concurentClients || !regProgID || 
-			(family != AF_INET && family != AF_INET6 && family != AF_LOCAL)) {
-		rpc_SetErr(EINVAL, "Error:: Invalid parameters can`t init RPC server ...\n");
+	if (!concurentClients || !regProgID) {
+		rpc_SetErr(EINVAL, "Invalid parameters can`t init RPC server");
 		return NULL;
 	}
+	if (!io_gethostbyname(csHost, Port, &sa))
+		return NULL;
 	if (!Port)
 		Port = RPC_DEFPORT;
 	if (!netBuf)
 		netBuf = BUFSIZ;
 	else
 		netBuf = io_align(netBuf, 1);	/* align netBuf length */
-	if (csHost && family != AF_LOCAL) {
-		host = gethostbyname2(csHost, family);
-		if (!host) {
-			rpc_SetErr(h_errno, "Error:: %s\n", hstrerror(h_errno));
-			return NULL;
-		}
-	}
-	memset(&sa, 0, sizeof sa);
-	sa.sa.sa_family = family;
-	switch (family) {
-		case AF_INET:
-			sa.sin.sin_len = sizeof(struct sockaddr_in);
-			sa.sin.sin_port = htons(Port);
-			if (csHost)
-				memcpy(&sa.sin.sin_addr, host->h_addr, host->h_length);
-			break;
-		case AF_INET6:
-			sa.sin6.sin6_len = sizeof(struct sockaddr_in6);
-			sa.sin6.sin6_port = htons(Port);
-			if (csHost)
-				memcpy(&sa.sin6.sin6_addr, host->h_addr, host->h_length);
-			break;
-		case AF_LOCAL:
-			sa.sun.sun_len = sizeof(struct sockaddr_un);
-			if (csHost)
-				strlcpy(sa.sun.sun_path, csHost, sizeof sa.sun.sun_path);
-			unlink(sa.sun.sun_path);
-			break;
-		default:
-			rpc_SetErr(EINVAL, "Error:: Invalid parameters can`t start RPC server ...\n");
-			return NULL;
-	}
 
+#ifdef HAVE_SRANDOMDEV
+	srandomdev();
+#else
+	time_t tim;
+
+	srandom((time(&tim) ^ getpid()));
+#endif
+
 	srv = malloc(sizeof(rpc_srv_t));
 	if (!srv) {
 		LOGERR;
@@ -760,66 +707,70 @@ rpc_srv_initServer(u_int regProgID, u_int regProcID, i
 		memset(srv, 0, sizeof(rpc_srv_t));
 
 	srv->srv_netbuf = netBuf;
-	srv->srv_numcli = concurentClients;
 	srv->srv_session.sess_version = RPC_VERSION;
-	srv->srv_session.sess_timeout = DEF_RPC_TIMEOUT;
 	srv->srv_session.sess_program = regProgID;
 	srv->srv_session.sess_process = regProcID;
 
-	srv->srv_server.cli_tid = pthread_self();
 	srv->srv_server.cli_parent = srv;
-	memcpy(&srv->srv_server.cli_sa, &sa, sizeof sa);
+	memcpy(&srv->srv_server.cli_sa, &sa, sizeof srv->srv_server.cli_sa);
 
+	/* init functions list */
+	TAILQ_INIT(&srv->srv_funcs);
+
+	/* init scheduler */
+	srv->srv_root = schedBegin();
+	if (!srv->srv_root) {
+		rpc_SetErr(sched_GetErrno(), "%s", sched_GetError());
+		free(srv);
+		return NULL;
+	}
+
+	/* init pool for clients */
+	srv->srv_clients = io_arrayInit(concurentClients);
+	if (!srv->srv_clients) {
+		rpc_SetErr(io_GetErrno(), "%s", io_GetError());
+		schedEnd(&srv->srv_root);
+		free(srv);
+		return NULL;
+	}
+
 	/* create server socket */
-	srv->srv_server.cli_sock = socket(family, SOCK_STREAM, 0);
+	srv->srv_server.cli_sock = socket(srv->srv_server.cli_sa.sa.sa_family, SOCK_STREAM, 0);
 	if (srv->srv_server.cli_sock == -1) {
 		LOGERR;
+		io_arrayDestroy(&srv->srv_clients);
+		schedEnd(&srv->srv_root);
 		free(srv);
 		return NULL;
 	}
 	if (setsockopt(srv->srv_server.cli_sock, SOL_SOCKET, SO_REUSEADDR, &n, sizeof n) == -1) {
 		LOGERR;
-		close(srv->srv_server.cli_sock);
-		free(srv);
-		return NULL;
+		goto err;
 	}
 	n = srv->srv_netbuf;
 	if (setsockopt(srv->srv_server.cli_sock, SOL_SOCKET, SO_SNDBUF, &n, sizeof n) == -1) {
 		LOGERR;
-		close(srv->srv_server.cli_sock);
-		free(srv);
-		return NULL;
+		goto err;
 	}
 	if (setsockopt(srv->srv_server.cli_sock, SOL_SOCKET, SO_RCVBUF, &n, sizeof n) == -1) {
 		LOGERR;
-		close(srv->srv_server.cli_sock);
-		free(srv);
-		return NULL;
+		goto err;
 	}
 	if (bind(srv->srv_server.cli_sock, &srv->srv_server.cli_sa.sa, 
 				srv->srv_server.cli_sa.sa.sa_len) == -1) {
 		LOGERR;
-		close(srv->srv_server.cli_sock);
-		free(srv);
-		return NULL;
+		goto err;
 	}
 
-	/* allocate pool for concurent clients */
-	srv->srv_clients = calloc(srv->srv_numcli, sizeof(rpc_cli_t));
-	if (!srv->srv_clients) {
-		LOGERR;
-		close(srv->srv_server.cli_sock);
-		free(srv);
-		return NULL;
-	} else
-		memset(srv->srv_clients, 0, srv->srv_numcli * sizeof(rpc_cli_t));
+	rpc_register_srvPing(srv);
 
-	rpc_srv_registerCall(srv, NULL, CALL_SRVSHUTDOWN, 0);
-	rpc_srv_registerCall(srv, NULL, CALL_SRVCLIENTS, 1);
-	rpc_srv_registerCall(srv, NULL, CALL_SRVSESSIONS, 4);
-	rpc_srv_registerCall(srv, NULL, CALL_SRVCALLS, 1);
-
 	return srv;
+err:	/* error condition */
+	close(srv->srv_server.cli_sock);
+	io_arrayDestroy(&srv->srv_clients);
+	schedEnd(&srv->srv_root);
+	free(srv);
+	return NULL;
 }
 
 /*
@@ -833,38 +784,40 @@ rpc_srv_endServer(rpc_srv_t ** __restrict psrv)
 {
 	rpc_cli_t *c;
 	register int i;
-	rpc_func_t *f;
+	rpc_func_t *f, *tmp;
 
-	if (!psrv || !*psrv) {
-		rpc_SetErr(EINVAL, "Error:: Can`t destroy server because parameter is null!\n");
+	if (!psrv || !*psrv)
 		return;
-	}
 
-	rpc_srv_endBLOBServer(*psrv);
+	if (!(*psrv)->srv_blob.kill)
+		rpc_srv_endBLOBServer(*psrv);
 
 	/* close all clients connections & server socket */
-	for (i = 0, c = (*psrv)->srv_clients; i < (*psrv)->srv_numcli && c; i++, c++)
-		if (c->cli_sa.sa.sa_family) {
+	for (i = 0; i < io_arraySize((*psrv)->srv_clients); i++) {
+		c = io_array((*psrv)->srv_clients, i, rpc_cli_t*);
+		if (c) {
 			shutdown(c->cli_sock, SHUT_RDWR);
 			close(c->cli_sock);
-		}
-	close((*psrv)->srv_server.cli_sock);
 
-	if ((*psrv)->srv_clients) {
-		free((*psrv)->srv_clients);
-		(*psrv)->srv_clients = NULL;
-		(*psrv)->srv_numcli = 0;
+			schedCancelby((*psrv)->srv_root, taskMAX, CRITERIA_ARG, c, NULL);
+			AIT_FREE_VAL(&c->cli_buf);
+		}
+		io_arrayDel((*psrv)->srv_clients, i, 42);
 	}
+	io_arrayDestroy(&(*psrv)->srv_clients);
 
+	close((*psrv)->srv_server.cli_sock);
+
 	/* detach exported calls */
-	while ((f = (*psrv)->srv_funcs)) {
-		(*psrv)->srv_funcs = f->func_next;
+	TAILQ_FOREACH_SAFE(f, &(*psrv)->srv_funcs, func_node, tmp) {
+		TAILQ_REMOVE(&(*psrv)->srv_funcs, f, func_node);
+
 		io_freeVars(&f->func_vars);
 		AIT_FREE_VAL(&f->func_name);
-		AIT_FREE_VAL(&f->func_file);
 		free(f);
 	}
 
+	schedEnd(&(*psrv)->srv_root);
 	free(*psrv);
 	*psrv = NULL;
 }
@@ -878,74 +831,29 @@ rpc_srv_endServer(rpc_srv_t ** __restrict psrv)
 int
 rpc_srv_loopServer(rpc_srv_t * __restrict srv)
 {
-	socklen_t salen = sizeof(io_sockaddr_t);
-	register int i;
-	rpc_cli_t *c;
-	int ret;
-	pthread_attr_t attr;
-	struct pollfd pfd;
-
 	if (!srv) {
-		rpc_SetErr(EINVAL, "Error:: Invalid parameter can`t start RPC server ...\n");
+		rpc_SetErr(EINVAL, "Invalid parameter can`t start RPC server");
 		return -1;
 	}
 
-	/* activate BLOB server worker if srv->srv_blob.state == enable */
-	rpc_srv_execBLOBServer(srv);
+	fcntl(srv->srv_server.cli_sock, F_SETFL, 
+			fcntl(srv->srv_server.cli_sock, F_GETFL) | O_NONBLOCK);
 
-	if (listen(srv->srv_server.cli_sock, SOMAXCONN) == -1) {
+	if (listen(srv->srv_server.cli_sock, io_arraySize(srv->srv_clients)) == -1) {
 		LOGERR;
 		return -1;
-	} else
-		fcntl(srv->srv_server.cli_sock, F_SETFL, fcntl(srv->srv_server.cli_sock, F_GETFL) | O_NONBLOCK);
+	}
 
-	pthread_attr_init(&attr);
-	pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
-
-	pfd.fd = srv->srv_server.cli_sock;
-	pfd.events = POLLIN | POLLPRI;
-	/* main rpc loop */
-	while (srv->srv_kill != kill) {
-		for (c = srv->srv_clients, i = 0; i < srv->srv_numcli && c; i++, c++)
-			if (!c->cli_sa.sa.sa_family)
-				break;
-		if (i >= srv->srv_numcli) {
-#ifdef HAVE_PTHREAD_YIELD
-			pthread_yield();
-#else
-			usleep(1000000);
-#endif
-			continue;
-		}
-
-		if ((ret = poll(&pfd, 1, srv->srv_session.sess_timeout * 1000)) == -1 || 
-				pfd.revents & (POLLERR | POLLHUP | POLLNVAL)) {
-			LOGERR;
-			ret = 1;
-			break;
-		} else if (!ret)
-			continue;
-
-		c->cli_sock = accept(srv->srv_server.cli_sock, &c->cli_sa.sa, &salen);
-		if (c->cli_sock == -1) {
-			LOGERR;
-			continue;
-		} else
-			c->cli_parent = srv;
-
-		/* spawn rpc client dispatcher */
-		c->cli_kill = enable;
-		if (pthread_create(&c->cli_tid, &attr, rpc_srv_dispatchCall, c)) {
-			LOGERR;
-			continue;
-		}
+	if (!schedRead(srv->srv_root, acceptClients, srv, srv->srv_server.cli_sock, NULL, 0)) {
+		rpc_SetErr(sched_GetErrno(), "%s", sched_GetError());
+		return -1;
 	}
 
-	pthread_attr_destroy(&attr);
+	/* main rpc loop */
+	schedRun(srv->srv_root, &srv->srv_kill);
 	return 0;
 }
 
-// ---------------------------------------------------------
 
 /*
  * rpc_srv_execCall() Execute registered call from RPC server
@@ -959,29 +867,13 @@ int
 rpc_srv_execCall(rpc_func_t * __restrict call, struct tagRPCCall * __restrict rpc, 
 		array_t * __restrict args)
 {
-	void *dl;
 	rpc_callback_t func;
-	int ret;
 
-	if (!call || !rpc || !call->func_parent) {
+	if (!call || !rpc || !call->func_parent || !AIT_ADDR(&call->func_name)) {
 		rpc_SetErr(EINVAL, "Invalid parameter can`t exec function");
 		return -1;
 	}
 
-	dl = dlopen(AIT_ADDR(&call->func_file), RTLD_NOW);
-	if (!dl) {
-		rpc_SetErr(ENOENT, "Can`t attach module %s!", dlerror());
-		return -1;
-	}
-
-	func = dlsym(dl, (const char*) AIT_GET_STR(&call->func_name));
-	if (func)
-		ret = func(call, ntohs(rpc->call_argc), args);
-	else {
-		rpc_SetErr(ENOEXEC, "Can`t find function %s!", dlerror());
-		ret = -1;
-	}
-
-	dlclose(dl);
-	return ret;
+	func = AIT_GET_LIKE(&call->func_name, rpc_callback_t);
+	return func(call, rpc, args);
 }