--- libaitrpc/src/blob.c	2011/08/29 22:37:06	1.3
+++ libaitrpc/src/blob.c	2011/09/07 07:24:21	1.4
@@ -3,7 +3,7 @@
 *  by Michael Pounov <misho@openbsd-bg.org>
 *
 * $Author: misho $
-* $Id: blob.c,v 1.3 2011/08/29 22:37:06 misho Exp $
+* $Id: blob.c,v 1.4 2011/09/07 07:24:21 misho Exp $
 *
 **************************************************************************
 The ELWIX and AITNET software is distributed under the following
@@ -127,6 +127,10 @@ rpc_srv_blobMap(rpc_srv_t * __restrict srv, rpc_blob_t
 		rpc_SetErr(EINVAL, "Error:: invalid arguments ...\n");
 		return -1;
 	}
+	if (blob->blob_data) {
+		rpc_SetErr(EPERM, "Error:: already mmapped object found!\n");
+		return -1;
+	}
 
 	memset(szFName, 0, sizeof szFName);
 	snprintf(szFName, sizeof szFName, BLOB_FILE, srv->srv_blob.dir, blob->blob_var);
@@ -274,7 +278,7 @@ rpc_srv_recvBLOB(rpc_cli_t * __restrict cli, rpc_blob_
  * return: -1 error, 0 ok, 1 remote error
  */
 int
-rpc_cli_sendBLOB(rpc_cli_t * __restrict cli, rpc_val_t * __restrict var, void * __restrict data)
+rpc_cli_sendBLOB(rpc_cli_t * __restrict cli, ait_val_t * __restrict var, void * __restrict data)
 {
 	int ret, len;
 	uint8_t *pos;
@@ -291,13 +295,14 @@ rpc_cli_sendBLOB(rpc_cli_t * __restrict cli, rpc_val_t
 	hdr.hdr_cmd = set;
 	hdr.hdr_var = 0;
 	hdr.hdr_ret = 0;
-	hdr.hdr_len = var->val_len;
+	hdr.hdr_len = AIT_LEN(var);
 	if (send(cli->cli_sock, &hdr, sizeof hdr, 0) == -1) {
 		LOGERR;
 		return -1;
 	}
 
-	for (ret = var->val_len, pos = data; ret > 0; ret -= len, pos += len)
+	/* send BLOB to server */
+	for (ret = AIT_LEN(var), pos = data; ret > 0; ret -= len, pos += len)
 		if ((len = send(cli->cli_sock, pos, ret, 0)) == -1) {
 			LOGERR;
 			return -1;
@@ -318,7 +323,7 @@ rpc_cli_sendBLOB(rpc_cli_t * __restrict cli, rpc_val_t
 		return -1;
 	}
 	if (hdr.hdr_cmd != error) {
-		if (hdr.hdr_len != var->val_len) {
+		if (hdr.hdr_len != AIT_LEN(var)) {
 			rpc_SetErr(ECANCELED, "Error:: Bad return length packet ...\n");
 			return -1;
 		}
@@ -337,7 +342,7 @@ rpc_cli_sendBLOB(rpc_cli_t * __restrict cli, rpc_val_t
  * return: -1 error, 0 ok, 1 remote error
  */
 int
-rpc_cli_recvBLOB(rpc_cli_t * __restrict cli, rpc_val_t * __restrict var, void ** data)
+rpc_cli_recvBLOB(rpc_cli_t * __restrict cli, ait_val_t * __restrict var, void ** __restrict data)
 {
 	int ret, len;
 	uint8_t *pos;
@@ -350,16 +355,16 @@ rpc_cli_recvBLOB(rpc_cli_t * __restrict cli, rpc_val_t
 		return -1;
 	}
 
-	*data = malloc(var->val_len);
+	*data = malloc(AIT_LEN(var));
 	if (!*data) {
 		LOGERR;
 		return -1;
 	} else
-		memset(*data, 0, var->val_len);
+		memset(*data, 0, AIT_LEN(var));
 
 	memcpy(&hdr.hdr_session, cli->cli_parent, sizeof(rpc_sess_t));
 	hdr.hdr_cmd = get;
-	hdr.hdr_var = (uint32_t) RPC_GET_BLOB(var);
+	hdr.hdr_var = (uint32_t) AIT_GET_BLOB(var);
 	hdr.hdr_ret = 0;
 	hdr.hdr_len = 0;
 	if (send(cli->cli_sock, &hdr, sizeof hdr, 0) == -1) {
@@ -369,7 +374,8 @@ rpc_cli_recvBLOB(rpc_cli_t * __restrict cli, rpc_val_t
 		return -1;
 	}
 
-	for (ret = var->val_len, pos = *data; ret > 0; ret -= len, pos += len) {
+	/* receive BLOB from server */
+	for (ret = AIT_LEN(var), pos = *data; ret > 0; ret -= len, pos += len) {
 		FD_ZERO(&fds);
 		FD_SET(cli->cli_sock, &fds);
 		len = select(cli->cli_sock + 1, &fds, NULL, NULL, &tv);
@@ -409,7 +415,7 @@ rpc_cli_recvBLOB(rpc_cli_t * __restrict cli, rpc_val_t
 		return -1;
 	}
 	if (hdr.hdr_cmd != error) {
-		if (hdr.hdr_len != var->val_len) {
+		if (hdr.hdr_len != AIT_LEN(var)) {
 			rpc_SetErr(ECANCELED, "Error:: Bad return length packet ...\n");
 			free(*data);
 			*data = NULL;
@@ -427,7 +433,7 @@ rpc_cli_recvBLOB(rpc_cli_t * __restrict cli, rpc_val_t
  * return: -1 error, 0 ok, 1 remote error
  */
 int
-rpc_cli_delBLOB(rpc_cli_t * __restrict cli, rpc_val_t * __restrict var)
+rpc_cli_delBLOB(rpc_cli_t * __restrict cli, ait_val_t * __restrict var)
 {
 	struct tagBLOBHdr hdr;
 	fd_set fds;
@@ -440,7 +446,7 @@ rpc_cli_delBLOB(rpc_cli_t * __restrict cli, rpc_val_t 
 
 	memcpy(&hdr.hdr_session, cli->cli_parent, sizeof(rpc_sess_t));
 	hdr.hdr_cmd = unset;
-	hdr.hdr_var = (uint32_t) RPC_GET_BLOB(var);
+	hdr.hdr_var = (uint32_t) AIT_GET_BLOB(var);
 	hdr.hdr_ret = 0;
 	hdr.hdr_len = 0;
 	if (send(cli->cli_sock, &hdr, sizeof hdr, 0) == -1) {
@@ -474,7 +480,7 @@ rpc_cli_delBLOB(rpc_cli_t * __restrict cli, rpc_val_t 
  * return: -1 error, 0 ok, 1 remote error
  */
 inline int
-rpc_cli_getBLOB(rpc_cli_t * __restrict cli, rpc_val_t * __restrict var, void ** data)
+rpc_cli_getBLOB(rpc_cli_t * __restrict cli, ait_val_t * __restrict var, void ** __restrict data)
 {
 	int ret;