libaitrpc/src/cli.c - diff

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Diff for /libaitrpc/src/cli.c between versions 1.1.1.1.2.8 and 1.6.2.2

version 1.1.1.1.2.8, 2011/03/15 16:59:44	version 1.6.2.2, 2012/03/14 13:29:11
Line 5	Line 5
* $Author$	* $Author$
* $Id$	* $Id$
*	*
*************************************************************************/	**************************************************************************
	The ELWIX and AITNET software is distributed under the following
	terms:

	All of the documentation and software included in the ELWIX and AITNET
	Releases is copyrighted by ELWIX - Sofia/Bulgaria <info@elwix.org>

	Copyright 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012
	by Michael Pounov <misho@elwix.org>. All rights reserved.

	Redistribution and use in source and binary forms, with or without
	modification, are permitted provided that the following conditions
	are met:
	1. Redistributions of source code must retain the above copyright
	notice, this list of conditions and the following disclaimer.
	2. Redistributions in binary form must reproduce the above copyright
	notice, this list of conditions and the following disclaimer in the
	documentation and/or other materials provided with the distribution.
	3. All advertising materials mentioning features or use of this software
	must display the following acknowledgement:
	This product includes software developed by Michael Pounov <misho@elwix.org>
	ELWIX - Embedded LightWeight unIX and its contributors.
	4. Neither the name of AITNET nor the names of its contributors
	may be used to endorse or promote products derived from this software
	without specific prior written permission.

	THIS SOFTWARE IS PROVIDED BY AITNET AND CONTRIBUTORS ``AS IS'' AND
	ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
	FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
	DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
	OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
	LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
	OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
	SUCH DAMAGE.
	*/
#include "global.h"	#include "global.h"


/*	/*
* rpc_cli_openBLOBClient() Connect to BLOB Server	* rpc_cli_openBLOBClient() - Connect to BLOB Server
	*
* @rpccli = RPC Client session	* @rpccli = RPC Client session
* @Port = Port for bind server, if Port == 0 default port is selected	* @Port = Port for bind server, if Port == 0 default port is selected
* return: NULL == error or !=NULL connection to BLOB server established	* return: NULL == error or !=NULL connection to BLOB server established
Line 19 rpc_cli_t *	Line 57 rpc_cli_t *
rpc_cli_openBLOBClient(rpc_cli_t * __restrict rpccli, u_short Port)	rpc_cli_openBLOBClient(rpc_cli_t * __restrict rpccli, u_short Port)
{	{
rpc_cli_t *cli = NULL;	rpc_cli_t *cli = NULL;
struct sockaddr_in sin;	io_sockaddr_t sa;
struct sockaddr_in6 sin6;	int n;

if (!rpccli \|\| (rpccli->cli_sa.sa_family != AF_INET && rpccli->cli_sa.sa_family != AF_INET6)) {	if (!rpccli \|\|
rpc_SetErr(EINVAL, "Error:: Invalid parameters can`t connect to BLOB server ...\n");	(rpccli->cli_sa.sa.sa_family != AF_INET && rpccli->cli_sa.sa.sa_family != AF_INET6 &&
	rpccli->cli_sa.sa.sa_family != AF_LOCAL)) {
	rpc_SetErr(EINVAL, "Invalid parameters can`t connect to BLOB server");
return NULL;	return NULL;
}	}
if (!Port)
Port = RPC_DEFPORT + 1;

cli = malloc(sizeof(rpc_cli_t));	cli = malloc(sizeof(rpc_cli_t));
if (!cli) {	if (!cli) {
Line 36 rpc_cli_openBLOBClient(rpc_cli_t * __restrict rpccli,	Line 74 rpc_cli_openBLOBClient(rpc_cli_t * __restrict rpccli,
} else	} else
memcpy(cli, rpccli, sizeof(rpc_cli_t));	memcpy(cli, rpccli, sizeof(rpc_cli_t));

if (rpccli->cli_sa.sa_family == AF_INET) {	memcpy(&sa, &rpccli->cli_sa, sizeof sa);
memcpy(&sin, &rpccli->cli_sa, sizeof sin);	switch (sa.sa.sa_family) {
sin.sin_port = htons(Port);	case AF_INET:
memcpy(&cli->cli_sa, &sin, sizeof(struct sockaddr));	sa.sin.sin_port = htons(Port ? Port : ntohs(sa.sin.sin_port) + 1);
} else {	break;
memcpy(&sin6, &rpccli->cli_sa, sizeof sin6);	case AF_INET6:
sin6.sin6_port = htons(Port);	sa.sin6.sin6_port = htons(Port ? Port : ntohs(sa.sin6.sin6_port) + 1);
memcpy(&cli->cli_sa, &sin6, sizeof(struct sockaddr));	break;
	case AF_LOCAL:
	strlcat(sa.sun.sun_path, ".blob", sizeof sa.sun.sun_path);
	break;
}	}
	memcpy(&cli->cli_sa, &sa, sizeof sa);

cli->cli_sock = socket(cli->cli_sa.sa_family, SOCK_STREAM, 0);	/* connect to BLOB server */
	cli->cli_sock = socket(cli->cli_sa.sa.sa_family, SOCK_STREAM, 0);
if (cli->cli_sock == -1) {	if (cli->cli_sock == -1) {
LOGERR;	LOGERR;
free(cli);	free(cli);
return NULL;	return NULL;
}	}
if (connect(cli->cli_sock, &cli->cli_sa, sizeof cli->cli_sa) == -1) {	n = cli->cli_netbuf;
	if (setsockopt(cli->cli_sock, SOL_SOCKET, SO_SNDBUF, &n, sizeof n) == -1) {
LOGERR;	LOGERR;
	close(cli->cli_sock);
free(cli);	free(cli);
return NULL;	return NULL;
}	}
	if (setsockopt(cli->cli_sock, SOL_SOCKET, SO_RCVBUF, &n, sizeof n) == -1) {
	LOGERR;
	close(cli->cli_sock);
	free(cli);
	return NULL;
	}
	if (connect(cli->cli_sock, &cli->cli_sa.sa, cli->cli_sa.sa.sa_len) == -1) {
	LOGERR;
	close(cli->cli_sock);
	free(cli);
	return NULL;
	}

return cli;	return cli;
}	}

/*	/*
* rpc_cli_closeBLOBClient() Close connection to BLOB server and free resources	* rpc_cli_closeBLOBClient() - Close connection to BLOB server and free resources
	*
* @cli = BLOB Client session	* @cli = BLOB Client session
* return: none	* return: none
*/	*/
Line 70 void	Line 128 void
rpc_cli_closeBLOBClient(rpc_cli_t * __restrict cli)	rpc_cli_closeBLOBClient(rpc_cli_t * __restrict cli)
{	{
if (!cli) {	if (!cli) {
rpc_SetErr(EINVAL, "Error:: Can`t close connection because parameter is null!\n");	rpc_SetErr(EINVAL, "Can`t close connection because parameter is null!");
return;	return;
}	}

Line 84 rpc_cli_closeBLOBClient(rpc_cli_t * __restrict cli)	Line 142 rpc_cli_closeBLOBClient(rpc_cli_t * __restrict cli)
// --------------------------------------------------------------	// --------------------------------------------------------------

/*	/*
* rpc_cli_openClient() Connect to RPC Server	* rpc_cli_openClient() - Connect to RPC Server
	*
* @ProgID = ProgramID for RPC session request	* @ProgID = ProgramID for RPC session request
* @ProcID = ProcessID for RPC session request	* @ProcID = ProcessID for RPC session request
	* @netBuf = Network buffer length, if =0 == BUFSIZ (also meaning max RPC packet)
	* @Timeout = RPC timeout in seconds, if =0 set default RPC timeout
* @family = Family socket type, AF_INET or AF_INET6	* @family = Family socket type, AF_INET or AF_INET6
* @csHost = Host name or IP address for bind server	* @csHost = Host name or IP address for bind server
* @Port = Port for bind server, if Port == 0 default port is selected	* @Port = Port for bind server, if Port == 0 default port is selected
* return: NULL == error or !=NULL connection to RPC server established	* return: NULL == error or !=NULL connection to RPC server established
*/	*/
rpc_cli_t *	rpc_cli_t *
rpc_cli_openClient(u_int ProgID, u_int ProcID, u_short family, const char *csHost, u_short Port)	rpc_cli_openClient(u_int ProgID, u_int ProcID, int netBuf, u_char Timeout,
	u_short family, const char *csHost, u_short Port)
{	{
rpc_cli_t *cli = NULL;	rpc_cli_t *cli = NULL;
struct hostent *host = NULL;	struct hostent *host = NULL;
struct sockaddr_in sin;	io_sockaddr_t sa;
struct sockaddr_in6 sin6;	int n;

if (!csHost \|\| (family != AF_INET && family != AF_INET6)) {	if (!csHost \|\| (family != AF_INET && family != AF_INET6 && family != AF_LOCAL)) {
rpc_SetErr(EINVAL, "Error:: Invalid parameters can`t connect to RPC server ...\n");	rpc_SetErr(EINVAL, "Error:: Invalid parameters can`t connect to RPC server ...\n");
return NULL;	return NULL;
}	}
if (!Port)	if (!Port)
Port = RPC_DEFPORT;	Port = RPC_DEFPORT;
if (csHost) {	if (!netBuf)
	netBuf = BUFSIZ;
	if (!Timeout)
	Timeout = DEF_RPC_TIMEOUT;
	if (csHost && family != AF_LOCAL) {
host = gethostbyname2(csHost, family);	host = gethostbyname2(csHost, family);
if (!host) {	if (!host) {
rpc_SetErr(h_errno, "Error:: %s\n", hstrerror(h_errno));	rpc_SetErr(h_errno, "Error:: %s\n", hstrerror(h_errno));
return NULL;	return NULL;
}	}
}	}
	memset(&sa, 0, sizeof sa);
	sa.sa.sa_family = family;
switch (family) {	switch (family) {
case AF_INET:	case AF_INET:
memset(&sin, 0, sizeof sin);	sa.sin.sin_len = sizeof(struct sockaddr_in);
sin.sin_len = sizeof sin;	sa.sin.sin_port = htons(Port);
sin.sin_family = family;
sin.sin_port = htons(Port);
if (csHost)	if (csHost)
memcpy(&sin.sin_addr, host->h_addr, host->h_length);	memcpy(&sa.sin.sin_addr, host->h_addr, host->h_length);
break;	break;
case AF_INET6:	case AF_INET6:
memset(&sin6, 0, sizeof sin6);	sa.sin6.sin6_len = sizeof(struct sockaddr_in6);
sin6.sin6_len = sizeof sin6;	sa.sin6.sin6_port = htons(Port);
sin6.sin6_family = family;
sin6.sin6_port = htons(Port);
if (csHost)	if (csHost)
memcpy(&sin6.sin6_addr, host->h_addr, host->h_length);	memcpy(&sa.sin6.sin6_addr, host->h_addr, host->h_length);
break;	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);
	break;
default:	default:
rpc_SetErr(EINVAL, "Error:: Invalid parameters can`t connect to RPC server ...\n");	rpc_SetErr(EINVAL, "Error:: Invalid parameters can`t connect to RPC server ...\n");
return NULL;	return NULL;
Line 141 rpc_cli_openClient(u_int ProgID, u_int ProcID, u_short	Line 210 rpc_cli_openClient(u_int ProgID, u_int ProcID, u_short
return NULL;	return NULL;
} else	} else
memset(cli, 0, sizeof(rpc_cli_t));	memset(cli, 0, sizeof(rpc_cli_t));

	cli->cli_netbuf = netBuf;
cli->cli_parent = malloc(sizeof(rpc_sess_t));	cli->cli_parent = malloc(sizeof(rpc_sess_t));
if (!cli->cli_parent) {	if (!cli->cli_parent) {
LOGERR;	LOGERR;
Line 148 rpc_cli_openClient(u_int ProgID, u_int ProcID, u_short	Line 219 rpc_cli_openClient(u_int ProgID, u_int ProcID, u_short
return NULL;	return NULL;
} else {	} else {
((rpc_sess_t*) cli->cli_parent)->sess_version = RPC_VERSION;	((rpc_sess_t*) cli->cli_parent)->sess_version = RPC_VERSION;
	((rpc_sess_t*) cli->cli_parent)->sess_timeout = Timeout;
((rpc_sess_t*) cli->cli_parent)->sess_program = ProgID;	((rpc_sess_t*) cli->cli_parent)->sess_program = ProgID;
((rpc_sess_t*) cli->cli_parent)->sess_process = ProcID;	((rpc_sess_t*) cli->cli_parent)->sess_process = ProcID;
}	}

if (family == AF_INET)	memcpy(&cli->cli_sa, &sa, sizeof cli->cli_sa);
memcpy(&cli->cli_sa, &sin, sizeof cli->cli_sa);
else	/* connect to RPC server */
memcpy(&cli->cli_sa, &sin6, sizeof cli->cli_sa);
cli->cli_sock = socket(family, SOCK_STREAM, 0);	cli->cli_sock = socket(family, SOCK_STREAM, 0);
if (cli->cli_sock == -1) {	if (cli->cli_sock == -1) {
LOGERR;	LOGERR;
Line 163 rpc_cli_openClient(u_int ProgID, u_int ProcID, u_short	Line 234 rpc_cli_openClient(u_int ProgID, u_int ProcID, u_short
free(cli);	free(cli);
return NULL;	return NULL;
}	}
if (connect(cli->cli_sock, &cli->cli_sa, sizeof cli->cli_sa) == -1) {	n = cli->cli_netbuf;
	if (setsockopt(cli->cli_sock, SOL_SOCKET, SO_SNDBUF, &n, sizeof n) == -1) {
LOGERR;	LOGERR;
	close(cli->cli_sock);
free(cli->cli_parent);	free(cli->cli_parent);
free(cli);	free(cli);
return NULL;	return NULL;
}	}
	if (setsockopt(cli->cli_sock, SOL_SOCKET, SO_RCVBUF, &n, sizeof n) == -1) {
	LOGERR;
	close(cli->cli_sock);
	free(cli->cli_parent);
	free(cli);
	return NULL;
	}
	if (connect(cli->cli_sock, &cli->cli_sa.sa, cli->cli_sa.sa.sa_len) == -1) {
	LOGERR;
	close(cli->cli_sock);
	free(cli->cli_parent);
	free(cli);
	return NULL;
	}

return cli;	return cli;
}	}

/*	/*
* rpc_cli_closeClient() Close connection to RPC server and free resources	* rpc_cli_closeClient() - Close connection to RPC server and free resources
	*
* @cli = RPC Client session	* @cli = RPC Client session
* return: none	* return: none
*/	*/
Line 182 void	Line 270 void
rpc_cli_closeClient(rpc_cli_t * __restrict cli)	rpc_cli_closeClient(rpc_cli_t * __restrict cli)
{	{
if (!cli) {	if (!cli) {
rpc_SetErr(EINVAL, "Error:: Can`t close connection because parameter is null!\n");	rpc_SetErr(EINVAL, "Can`t close connection because parameter is null!");
return;	return;
}	}

Line 197 rpc_cli_closeClient(rpc_cli_t * __restrict cli)	Line 285 rpc_cli_closeClient(rpc_cli_t * __restrict cli)


/*	/*
* rpc_cli_execCall() Execute RPC call	* rpc_cli_execCall() - Execute RPC call
	*
* @cli = RPC Client session	* @cli = RPC Client session
* @csModule = Module name, if NULL self binary	* @csModule = Module name, if NULL self binary
* @csFunc = Function name for execute	* @csFunc = Function name for execute
* @in_argc = IN count of arguments	* @in_vars = IN RPC call array of rpc values
* @in_vals = IN RPC call array of rpc values	* @out_vars = OUT returned array of rpc values, must be free after use with rpc_cli_freeVals()
* @out_argc = OUT returned count of arguments
* @out_vals = OUT returned array of rpc values, must be free after use (see rpc_cli_freeVals())
* return: -1 error or != -1 ok result	* return: -1 error or != -1 ok result
*/	*/
int	int
rpc_cli_execCall(rpc_cli_t cli, const char csModule, const char *csFunc, int in_argc,	rpc_cli_execCall(rpc_cli_t cli, const char csModule, const char *csFunc,
rpc_val_t * __restrict in_vals, int out_argc, rpc_val_t * __restrict out_vals)	array_t * __restrict in_vars, array_t ** __restrict out_vars)
{	{
fd_set fds;	fd_set fds;
u_char buf[BUFSIZ], str[MAXPATHLEN + UCHAR_MAX + 1], *data;	u_char *buf;
struct tagRPCCall rpc = (struct tagRPCCall) buf;	rpc_func_t func;
struct tagRPCRet *rrpc;	struct tagRPCCall *rpc;
int ret = 0, Limit = 0;	int ret = 0, wlen = sizeof(struct tagRPCCall);
register int i;
rpc_val_t *v;
struct timeval tv = { DEF_RPC_TIMEOUT, 0 };	struct timeval tv = { DEF_RPC_TIMEOUT, 0 };
	uint16_t tag, crc;
	uint32_t hash;

FD_ZERO(&fds);	if (!cli \|\| !csFunc) {
memset(buf, 0, BUFSIZ);	rpc_SetErr(EINVAL, "Can`t execute call because parameter is null or invalid!");
memset(str, 0, MAXPATHLEN + UCHAR_MAX + 1);
if (!cli \|\| !csFunc \|\| (in_argc && !in_vals)) {
rpc_SetErr(EINVAL, "Error:: Can`t execute call because parameter is null or invalid!\n");
return -1;	return -1;
}	}
if (csModule)	if (out_vars)
strlcpy((char*) str, csModule, MAXPATHLEN + UCHAR_MAX + 1);	*out_vars = NULL;
strlcat((char*) str, "__", MAXPATHLEN + UCHAR_MAX + 1);
strlcat((char*) str, csFunc, MAXPATHLEN + UCHAR_MAX + 1);

memcpy(&rpc->call_session, cli->cli_parent, sizeof rpc->call_session);	buf = malloc(cli->cli_netbuf);
rpc->call_argc = in_argc;	if (!buf) {
rpc->call_tag = crcFletcher16((u_short*) str, (MAXPATHLEN + UCHAR_MAX + 1) / 2);	LOGERR;
rpc->call_hash = hash_fnv((char*) str, MAXPATHLEN + UCHAR_MAX + 1);	return -1;
Limit = sizeof(struct tagRPCCall);	} else
if (in_argc) {	memset(buf, 0, cli->cli_netbuf);
v = (rpc_val_t*) (buf + sizeof(struct tagRPCCall));
memcpy(v, in_vals, in_argc * sizeof(rpc_val_t));
Limit += in_argc * sizeof(rpc_val_t);
data = (u_char) v + in_argc sizeof(rpc_val_t);
for (i = 0; i < in_argc; i++) {
switch (in_vals[i].val_type) {
case buffer:
if (Limit + in_vals[i].val_len > BUFSIZ) {
ret = -7;
break;
}

memcpy(data, in_vals[i].val.buffer, in_vals[i].val_len);	/* calculate hashes */
v[i].val.buffer = (uint8_t) ((void) data - (void*) v);	if (rpc_calcHashes(&func, csModule, csFunc) == -1)
data += in_vals[i].val_len;	return -1;
Limit += in_vals[i].val_len;	else {
break;	tag = htons(func.func_tag);
case string:	hash = htonl(func.func_hash);
if (Limit + in_vals[i].val_len + 1 > BUFSIZ) {	AIT_FREE_VAL(&func.func_name);
ret = -7;	AIT_FREE_VAL(&func.func_file);
break;	}
}

memcpy(data, in_vals[i].val.string, in_vals[i].val_len);	/* prepare RPC call */
v[i].val.string = (int8_t) ((void) data - (void*) v);	rpc = (struct tagRPCCall*) buf;
data += in_vals[i].val_len + 1;	rpc_addPktSession(&rpc->call_session, cli->cli_parent);
Limit += in_vals[i].val_len + 1;	rpc->call_argc = htons(io_arraySize(in_vars));
break;	rpc->call_tag = tag;
default:	rpc->call_hash = hash;
break;
}	if (io_arraySize(in_vars)) {
}	/* marshaling variables */
if (ret < 0) {	ret = io_vars2buffer(buf + wlen, cli->cli_netbuf - wlen, in_vars);
rpc_SetErr(EMSGSIZE, "Error:: in prepare RPC packet (-7) ...\n");	if (ret == -1) {
return ret;	rpc_SetErr(EBADRPC, "Failed to prepare RPC packet values");
}	free(buf);
	return -1;
	} else
	wlen += ret;
}	}
if ((ret = send(cli->cli_sock, buf, Limit, 0)) == -1) {
	/* calculate CRC */
	rpc->call_crc ^= rpc->call_crc;
	rpc->call_crc = htons(crcFletcher16((u_short*) buf, ((wlen + 1) & ~1) / 2));

	if ((ret = send(cli->cli_sock, buf, wlen, 0)) == -1) {
LOGERR;	LOGERR;
	free(buf);
return -1;	return -1;
	} else if (ret != wlen) {
	rpc_SetErr(EPROCUNAVAIL, "RPC request, should be send %d bytes, "
	"really sended %d bytes", wlen, ret);
	free(buf);
	return -1;
}	}
if (ret != Limit) {
rpc_SetErr(ECANCELED, "Error:: in send RPC request, should be send %d bytes, really is %d\n",
Limit, ret);
return -9;
}

	/* reply from RPC server */
	FD_ZERO(&fds);
FD_SET(cli->cli_sock, &fds);	FD_SET(cli->cli_sock, &fds);
if ((ret = select(cli->cli_sock + 1, &fds, NULL, NULL, &tv)) < 1) {	if ((ret = select(cli->cli_sock + 1, &fds, NULL, NULL, &tv)) < 1) {
if (ret) {	if (ret)
LOGERR;	LOGERR;
} else	else
rpc_SetErr(ETIMEDOUT, "Error:: timeout, no return from RPC server?\n");	rpc_SetErr(ETIMEDOUT, "Error:: timeout, no return from RPC server?\n");

	free(buf);
return -1;	return -1;
}	}
memset(buf, 0, BUFSIZ);	memset(buf, 0, cli->cli_netbuf);
if ((ret = recv(cli->cli_sock, buf, BUFSIZ, 0)) == -1) {	if ((ret = recv(cli->cli_sock, buf, cli->cli_netbuf, 0)) == -1) {
LOGERR;	LOGERR;
	free(buf);
return -3;	return -3;
}	}
if (!ret) // receive EOF	if (!ret) { /* receive EOF! */
	free(buf);
return 0;	return 0;
if (ret < sizeof(struct tagRPCRet)) {	}
rpc_SetErr(EMSGSIZE, "Error:: too short RPC packet ...\n");	if (ret < sizeof(struct tagRPCCall)) {
	rpc_SetErr(ERPCMISMATCH, "Error:: too short RPC packet ...\n");
	free(buf);
return -4;	return -4;
} else	}
rrpc = (struct tagRPCRet*) buf;	/* check RPC packet session info */
// check RPC packet session info	if (rpc_chkPktSession(&rpc->call_session, cli->cli_parent)) {
if (memcmp(&rrpc->ret_session, cli->cli_parent, sizeof rrpc->ret_session)) {	rpc_SetErr(ERPCMISMATCH, "Error:: get invalid RPC session ...\n");
rpc_SetErr(EINVAL, "Error:: get invalid RPC session ...\n");	free(buf);
return -5;	return -5;
} else	} else
Limit = sizeof(struct tagRPCRet);	wlen = sizeof(struct tagRPCCall);
if (rrpc->ret_retcode < 0 && rrpc->ret_errno) {	if (rpc->call_tag != tag \|\| rpc->call_hash != hash) {
rpc_SetErr(rrpc->ret_errno, "Error::Server side: %d %s\n",	rpc_SetErr(ERPCMISMATCH, "Error:: get wrong RPC reply ...\n");
rrpc->ret_retcode, strerror(rrpc->ret_errno));	free(buf);
	return -5;
	}
	if (ntohl(rpc->call_rep.ret) < 0 && ntohl(rpc->call_rep.eno)) {
	rpc_SetErr(ntohl(rpc->call_rep.eno), "Error::Server side: retcode=%d #%d %s\n",
	ntohl(rpc->call_rep.ret), ntohl(rpc->call_rep.eno),
	strerror(ntohl(rpc->call_rep.eno)));
	free(buf);
return -6;	return -6;
}	}
if (rrpc->ret_argc * sizeof(rpc_val_t) > BUFSIZ - Limit) {	if (ntohs(rpc->call_argc) * sizeof(ait_val_t) > cli->cli_netbuf - wlen) {
rpc_SetErr(EMSGSIZE, "Error:: reply RPC packet is too big ...\n");	rpc_SetErr(EMSGSIZE, "Error:: reply RPC packet is too long ...\n");
	free(buf);
return -7;	return -7;
} else	}
Limit += rrpc->ret_argc * sizeof(rpc_val_t);
// RPC is OK! Go decapsulate variables ...
if (rrpc->ret_argc) {
*out_argc = rrpc->ret_argc;
*out_vals = calloc(rrpc->ret_argc, sizeof(rpc_val_t));
if (!*out_vals) {
LOGERR;
*out_argc = 0;
return -1;
} else
memcpy(*out_vals, buf + sizeof(struct tagRPCRet), Limit - sizeof(struct tagRPCRet));
// RPC received variables types OK!
data = (u_char*) buf + Limit;
for (i = 0; i < rrpc->ret_argc; i++)
switch ((*out_vals)[i].val_type) {
case buffer:
if ((*out_vals)[i].val_len > BUFSIZ - Limit) {
rpc_SetErr(EMSGSIZE, "Error:: Too big RPC packet ...\n");
free(*out_vals);
*out_vals = NULL;
*out_argc = 0;
return -7;
} else
Limit += (*out_vals)[i].val_len;

(out_vals)[i].val.buffer = malloc((out_vals)[i].val_len);	/* RPC is OK! Go de-marshaling variables ... */
if (!(*out_vals)[i].val.buffer) {	if (ntohs(rpc->call_argc)) {
rpc_SetErr(errno, "Error:: in prepare RPC reply ...\n");	*out_vars = io_buffer2vars(buf + wlen, cli->cli_netbuf - wlen,
free(*out_vals);	ntohs(rpc->call_argc), 0);
*out_vals = NULL;	if (!*out_vars) {
*out_argc = 0;	free(buf);
return -1;	return -1;
} else	}
memcpy((out_vals)[i].val.buffer, data, (out_vals)[i].val_len);
data += (*out_vals)[i].val_len;
break;
case string:
if ((*out_vals)[i].val_len + 1 > BUFSIZ - Limit) {
rpc_SetErr(EMSGSIZE, "Error:: Too big RPC packet ...\n");
free(*out_vals);
*out_vals = NULL;
*out_argc = 0;
return -7;
} else
Limit += (*out_vals)[i].val_len + 1;

(out_vals)[i].val.string = (int8_t) strdup((char*) data);
if (!(*out_vals)[i].val.string) {
rpc_SetErr(errno, "Error:: in prepare RPC reply ...\n");
free(*out_vals);
*out_vals = NULL;
*out_argc = 0;
return -1;
} else {
/* sanity check ... preserve null byte */
(out_vals)[i].val.string[(out_vals)[i].val_len] = 0;
}
data += (*out_vals)[i].val_len + 1;
break;
default:
break;
}
} else {
if (out_argc)
*out_argc = 0;
if (out_vals)
*out_vals = NULL;
}	}

return rrpc->ret_retcode;	ret = ntohl(rpc->call_rep.ret);
}	free(buf);
	return ret;
/*
* rpc_cli_freeVals() Free rpc_val_t array returned from RPC call
* @args = Number of arguments in array
* @vals = Value elements
* return: none
*/
inline void
rpc_cli_freeVals(int args, rpc_val_t *vals)
{
register int i;

if (!vals)
return;

for (i = 0; i < args; i++)
RPC_FREE_VAL(&vals[i]);

free(vals);
vals = NULL;
}	}

FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>

Removed from v.1.1.1.1.2.8
changed lines
	Added in v.1.6.2.2