version 1.1.2.12, 2010/07/08 08:02:02
|
version 1.7.2.5, 2012/05/16 13:32:47
|
Line 1
|
Line 1
|
|
/************************************************************************* |
|
* (C) 2010 AITNET ltd - Sofia/Bulgaria - <misho@aitbg.com> |
|
* by Michael Pounov <misho@openbsd-bg.org> |
|
* |
|
* $Author$ |
|
* $Id$ |
|
* |
|
************************************************************************** |
|
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_srv_blobCreate() Create map blob to memory region and return object | * rpc_srv_blobCreate() - Create and map blob to memory region and return object |
| * |
* @srv = RPC Server instance |
* @srv = RPC Server instance |
* @len = BLOB length object |
* @len = BLOB length object |
* return: NULL error or !=NULL allocated BLOB object |
* return: NULL error or !=NULL allocated BLOB object |
Line 15 rpc_srv_blobCreate(rpc_srv_t * __restrict srv, int len
|
Line 61 rpc_srv_blobCreate(rpc_srv_t * __restrict srv, int len
|
int f; |
int f; |
u_int rnd; |
u_int rnd; |
|
|
srandomdev(); |
|
srandom(getpid() ^ time(NULL)); |
|
again: |
again: |
rnd = random() % UINT_MAX; |
rnd = random() % UINT_MAX; |
|
|
memset(szFName, 0, MAXPATHLEN); | memset(szFName, 0, sizeof szFName); |
snprintf(szFName, MAXPATHLEN, BLOB_FILE, srv->srv_blob.dir, rnd); | snprintf(szFName, sizeof szFName, BLOB_FILE, AIT_GET_STR(&srv->srv_blob.dir), rnd); |
f = open(szFName, O_CREAT | O_EXCL | O_RDWR, 0600); |
f = open(szFName, O_CREAT | O_EXCL | O_RDWR, 0600); |
if (f == -1) { |
if (f == -1) { |
if (errno == EEXIST) |
if (errno == EEXIST) |
Line 30 again:
|
Line 74 again:
|
LOGERR; |
LOGERR; |
return NULL; |
return NULL; |
} |
} |
if (lseek(f, len - 1, SEEK_SET) == -1) { | if (ftruncate(f, len) == -1) { |
LOGERR; |
LOGERR; |
close(f); |
close(f); |
unlink(szFName); |
unlink(szFName); |
return NULL; |
return NULL; |
} else | } |
write(f, "", 1); | |
|
|
blob = malloc(sizeof(rpc_blob_t)); |
blob = malloc(sizeof(rpc_blob_t)); |
if (!blob) { |
if (!blob) { |
Line 62 again:
|
Line 105 again:
|
} |
} |
|
|
/* |
/* |
* rpc_srv_blobMap() Map blob to memory region | * rpc_srv_blobMap() - Map blob to memory region |
| * |
* @srv = RPC Server instance |
* @srv = RPC Server instance |
* @blob = Map to this BLOB element |
* @blob = Map to this BLOB element |
* return: -1 error or 0 ok |
* return: -1 error or 0 ok |
Line 74 rpc_srv_blobMap(rpc_srv_t * __restrict srv, rpc_blob_t
|
Line 118 rpc_srv_blobMap(rpc_srv_t * __restrict srv, rpc_blob_t
|
char szFName[MAXPATHLEN]; |
char szFName[MAXPATHLEN]; |
|
|
if (!blob) { |
if (!blob) { |
rpc_SetErr(EINVAL, "Error:: invalid arguments ...\n"); | rpc_SetErr(EINVAL, "Invalid argument BLOB"); |
return -1; |
return -1; |
} |
} |
|
if (blob->blob_data) { |
|
rpc_SetErr(EPERM, "Already mmapped object found!"); |
|
return -1; |
|
} |
|
|
memset(szFName, 0, MAXPATHLEN); | memset(szFName, 0, sizeof szFName); |
snprintf(szFName, MAXPATHLEN, BLOB_FILE, srv->srv_blob.dir, blob->blob_var); | snprintf(szFName, sizeof szFName, BLOB_FILE, AIT_GET_STR(&srv->srv_blob.dir), blob->blob_var); |
f = open(szFName, O_RDWR); |
f = open(szFName, O_RDWR); |
if (f == -1) { |
if (f == -1) { |
LOGERR; |
LOGERR; |
Line 102 rpc_srv_blobMap(rpc_srv_t * __restrict srv, rpc_blob_t
|
Line 150 rpc_srv_blobMap(rpc_srv_t * __restrict srv, rpc_blob_t
|
} |
} |
|
|
/* |
/* |
* rpc_srv_blobUnmap() Unmap blob memory region | * rpc_srv_blobUnmap() - Unmap blob memory region |
| * |
* @blob = Mapped BLOB element |
* @blob = Mapped BLOB element |
* return: none |
* return: none |
*/ |
*/ |
inline void |
inline void |
rpc_srv_blobUnmap(rpc_blob_t * __restrict blob) |
rpc_srv_blobUnmap(rpc_blob_t * __restrict blob) |
{ |
{ |
if (!blob || !blob->blob_data) | if (blob && blob->blob_data) { |
rpc_SetErr(EINVAL, "Error:: invalid arguments ...\n"); | |
else { | |
munmap(blob->blob_data, blob->blob_len); |
munmap(blob->blob_data, blob->blob_len); |
blob->blob_data = NULL; |
blob->blob_data = NULL; |
} |
} |
} |
} |
|
|
/* |
/* |
* rpc_srv_blobFree() Free blob from disk & memory | * rpc_srv_blobFree() - Free blob from disk & memory |
| * |
* @srv = RPC Server instance |
* @srv = RPC Server instance |
* @blob = Mapped BLOB element |
* @blob = Mapped BLOB element |
* return: -1 error or 0 ok |
* return: -1 error or 0 ok |
Line 129 rpc_srv_blobFree(rpc_srv_t * __restrict srv, rpc_blob_
|
Line 177 rpc_srv_blobFree(rpc_srv_t * __restrict srv, rpc_blob_
|
char szFName[MAXPATHLEN]; |
char szFName[MAXPATHLEN]; |
|
|
if (!blob) { |
if (!blob) { |
rpc_SetErr(EINVAL, "Error:: invalid arguments ...\n"); | rpc_SetErr(EINVAL, "Invalid argument BLOB"); |
return -1; |
return -1; |
} | } else |
| |
if (blob->blob_data) | |
rpc_srv_blobUnmap(blob); |
rpc_srv_blobUnmap(blob); |
|
|
memset(szFName, 0, MAXPATHLEN); | memset(szFName, 0, sizeof szFName); |
snprintf(szFName, MAXPATHLEN, BLOB_FILE, srv->srv_blob.dir, blob->blob_var); | snprintf(szFName, sizeof szFName, BLOB_FILE, AIT_GET_STR(&srv->srv_blob.dir), blob->blob_var); |
if (remove(szFName) == -1) { | if (unlink(szFName) == -1) { |
LOGERR; |
LOGERR; |
return -1; |
return -1; |
} |
} |
Line 146 rpc_srv_blobFree(rpc_srv_t * __restrict srv, rpc_blob_
|
Line 192 rpc_srv_blobFree(rpc_srv_t * __restrict srv, rpc_blob_
|
return 0; |
return 0; |
} |
} |
|
|
// ------------------------------------------------------------ | /* ------------------------------------------------------------ */ |
|
|
/* |
/* |
* rpc_srv_sendBLOB() Send mapped BLOB to client | * rpc_srv_sendBLOB() - Send mapped BLOB to client |
| * |
* @cli = Client instance |
* @cli = Client instance |
* @blob = Mapped BLOB element |
* @blob = Mapped BLOB element |
* return: -1 error, 0 ok |
* return: -1 error, 0 ok |
Line 161 rpc_srv_sendBLOB(rpc_cli_t * __restrict cli, rpc_blob_
|
Line 208 rpc_srv_sendBLOB(rpc_cli_t * __restrict cli, rpc_blob_
|
uint8_t *pos; |
uint8_t *pos; |
|
|
if (!cli || !blob || !blob->blob_data) { |
if (!cli || !blob || !blob->blob_data) { |
rpc_SetErr(EINVAL, "Error:: invalid arguments ...\n"); | rpc_SetErr(EINVAL, "Invalid arguments"); |
return -1; |
return -1; |
} |
} |
|
|
for (ret = blob->blob_len, pos = blob->blob_data; ret > 0; ret -= len, pos += len) | for (ret = blob->blob_len, pos = blob->blob_data; ret > 0; ret -= len, pos += len) { |
if ((len = send(cli->cli_sock, pos, ret > BLOBSIZ ? BLOBSIZ : ret, 0)) == -1) { | len = send(cli->cli_sock, pos, ret, MSG_NOSIGNAL); |
| if (len == -1) { |
LOGERR; |
LOGERR; |
return -1; |
return -1; |
} |
} |
|
} |
|
|
return ret; |
return ret; |
} |
} |
|
|
/* |
/* |
* rpc_srv_recvBLOB() Receive BLOB from client | * rpc_srv_recvBLOB() - Receive BLOB from client |
| * |
* @cli = Client instance |
* @cli = Client instance |
* @blob = Mapped BLOB element |
* @blob = Mapped BLOB element |
* return: -1 error, 0 ok, >0 unreceived data from client, may be error? |
* return: -1 error, 0 ok, >0 unreceived data from client, may be error? |
Line 185 rpc_srv_recvBLOB(rpc_cli_t * __restrict cli, rpc_blob_
|
Line 235 rpc_srv_recvBLOB(rpc_cli_t * __restrict cli, rpc_blob_
|
{ |
{ |
int ret, len; |
int ret, len; |
uint8_t *pos; |
uint8_t *pos; |
fd_set fds; | struct pollfd pfd; |
struct timeval tv = { DEF_RPC_TIMEOUT, 0 }; | |
|
|
if (!cli || !blob || !blob->blob_data) { |
if (!cli || !blob || !blob->blob_data) { |
rpc_SetErr(EINVAL, "Error:: invalid arguments ...\n"); | rpc_SetErr(EINVAL, "Invalid arguments"); |
return -1; |
return -1; |
} |
} |
|
|
|
pfd.fd = cli->cli_sock; |
|
pfd.events = POLLIN | POLLPRI; |
for (ret = blob->blob_len, pos = blob->blob_data; ret > 0; ret -= len, pos += len) { |
for (ret = blob->blob_len, pos = blob->blob_data; ret > 0; ret -= len, pos += len) { |
FD_ZERO(&fds); | if ((len = poll(&pfd, 1, DEF_RPC_TIMEOUT * 1000)) < 1 || |
FD_SET(cli->cli_sock, &fds); | pfd.revents & (POLLERR | POLLHUP | POLLNVAL)) { |
len = select(cli->cli_sock + 1, &fds, NULL, NULL, &tv); | |
if (len < 1) { | |
LOGERR; |
LOGERR; |
return -1; |
return -1; |
} |
} |
|
|
if ((len = recv(cli->cli_sock, pos, BLOBSIZ, 0)) == -1) { | len = recv(cli->cli_sock, pos, ret, 0); |
| if (len == -1) { |
LOGERR; |
LOGERR; |
return -1; |
return -1; |
} |
} |
Line 211 rpc_srv_recvBLOB(rpc_cli_t * __restrict cli, rpc_blob_
|
Line 261 rpc_srv_recvBLOB(rpc_cli_t * __restrict cli, rpc_blob_
|
return ret; |
return ret; |
} |
} |
|
|
// ------------------------------------------------------------ | /* ------------------------------------------------------------ */ |
|
|
/* |
/* |
* rpc_cli_sendBLOB() Send BLOB to server | * rpc_cli_sendBLOB() - Send BLOB to server |
| * |
* @cli = Client instance |
* @cli = Client instance |
* @var = BLOB variable |
* @var = BLOB variable |
* @data = BLOB data |
* @data = BLOB data |
* return: -1 error, 0 ok, 1 remote error |
* return: -1 error, 0 ok, 1 remote error |
*/ |
*/ |
int |
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; |
int ret, len; |
uint8_t *pos; |
uint8_t *pos; |
struct tagBLOBHdr hdr; |
struct tagBLOBHdr hdr; |
fd_set fds; | struct pollfd pfd; |
struct timeval tv = { DEF_RPC_TIMEOUT, 0 }; | |
|
|
if (!cli || !var || !data) { |
if (!cli || !var || !data) { |
rpc_SetErr(EINVAL, "Error:: invalid arguments ...\n"); | rpc_SetErr(EINVAL, "Invalid arguments"); |
return -1; |
return -1; |
} |
} |
|
|
memcpy(&hdr.hdr_session, cli->cli_parent, sizeof(rpc_sess_t)); | rpc_addPktSession(&hdr.hdr_session, cli->cli_parent); |
hdr.hdr_cmd = set; |
hdr.hdr_cmd = set; |
hdr.hdr_var = 0; |
hdr.hdr_var = 0; |
hdr.hdr_ret = 0; |
hdr.hdr_ret = 0; |
hdr.hdr_len = var->val_len; | hdr.hdr_len = htonl(AIT_LEN(var)); |
if (send(cli->cli_sock, &hdr, sizeof hdr, 0) == -1) { | /* calculate CRC */ |
| hdr.hdr_crc ^= hdr.hdr_crc; |
| hdr.hdr_crc = htons(crcFletcher16((u_short*) &hdr, sizeof hdr / 2)); |
| |
| /* send SET request */ |
| if (send(cli->cli_sock, &hdr, sizeof hdr, MSG_NOSIGNAL) == -1) { |
LOGERR; |
LOGERR; |
return -1; |
return -1; |
} |
} |
|
|
for (ret = var->val_len, pos = data; ret > 0; ret -= len, pos += len) | /* send BLOB to server */ |
if ((len = send(cli->cli_sock, pos, ret > BLOBSIZ ? BLOBSIZ : ret, 0)) == -1) { | for (ret = AIT_LEN(var), pos = data; ret > 0; ret -= len, pos += len) |
| if ((len = send(cli->cli_sock, pos, ret, MSG_NOSIGNAL)) == -1) { |
LOGERR; |
LOGERR; |
return -1; |
return -1; |
} |
} |
|
|
FD_ZERO(&fds); | /* wait for reply */ |
FD_SET(cli->cli_sock, &fds); | pfd.fd = cli->cli_sock; |
switch (select(cli->cli_sock + 1, &fds, NULL, NULL, &tv)) { | pfd.events = POLLIN | POLLPRI; |
case -1: | if ((ret = poll(&pfd, 1, DEF_RPC_TIMEOUT * 1000)) < 1 || |
| pfd.revents & (POLLERR | POLLHUP | POLLNVAL)) { |
| if (ret) |
LOGERR; |
LOGERR; |
return -1; | else |
case 0: | rpc_SetErr(ETIMEDOUT, "Timeout reached! Server not respond"); |
rpc_SetErr(ETIMEDOUT, "Error:: Timeout reached! Server not responde ...\n"); | return -1; |
return -1; | |
} |
} |
if (recv(cli->cli_sock, &hdr, sizeof hdr, 0) == -1) { |
if (recv(cli->cli_sock, &hdr, sizeof hdr, 0) == -1) { |
LOGERR; |
LOGERR; |
return -1; | return 1; |
} |
} |
|
/* check CRC */ |
|
ret = ntohs(hdr.hdr_crc); |
|
hdr.hdr_crc ^= hdr.hdr_crc; |
|
if (ret != crcFletcher16((u_short*) &hdr, sizeof hdr / 2)) { |
|
rpc_SetErr(ERPCMISMATCH, "Bad CRC BLOB packet"); |
|
return 1; |
|
} |
|
|
if (hdr.hdr_cmd != error) { |
if (hdr.hdr_cmd != error) { |
if (hdr.hdr_len != var->val_len) { | if (ntohl(hdr.hdr_len) != AIT_LEN(var)) { |
rpc_SetErr(EBADMSG, "Error:: Bad return length packet ...\n"); | rpc_SetErr(ECANCELED, "Bad return length packet"); |
return -1; | return 1; |
} |
} |
|
|
var->val.blob = hdr.hdr_var; | AIT_SET_BLOB(var, ntohl(hdr.hdr_var), ntohl(hdr.hdr_len)); |
} |
} |
|
|
return hdr.hdr_cmd == error; |
return hdr.hdr_cmd == error; |
} |
} |
|
|
/* |
/* |
* rpc_cli_recvBLOB() Receive BLOB from server | * rpc_cli_recvBLOB() - Receive BLOB from server |
| * |
* @cli = Client instance |
* @cli = Client instance |
* @var = BLOB variable |
* @var = BLOB variable |
* @data = BLOB data, must be free after use! |
* @data = BLOB data, must be free after use! |
* return: -1 error, 0 ok, 1 remote error |
* return: -1 error, 0 ok, 1 remote error |
*/ |
*/ |
int |
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; |
int ret, len; |
uint8_t *pos; |
uint8_t *pos; |
fd_set fds; | struct pollfd pfd; |
struct timeval tv = { DEF_RPC_TIMEOUT, 0 }; | |
struct tagBLOBHdr hdr; |
struct tagBLOBHdr hdr; |
|
|
if (!cli || !var || !data) { |
if (!cli || !var || !data) { |
rpc_SetErr(EINVAL, "Error:: invalid arguments ...\n"); | rpc_SetErr(EINVAL, "Invalid arguments"); |
return -1; |
return -1; |
} |
} |
|
|
*data = malloc(var->val_len); | *data = malloc(AIT_LEN(var)); |
if (!*data) { |
if (!*data) { |
LOGERR; |
LOGERR; |
return -1; |
return -1; |
} else |
} else |
memset(*data, 0, var->val_len); | memset(*data, 0, AIT_LEN(var)); |
|
|
memcpy(&hdr.hdr_session, cli->cli_parent, sizeof(rpc_sess_t)); | rpc_addPktSession(&hdr.hdr_session, cli->cli_parent); |
hdr.hdr_cmd = get; |
hdr.hdr_cmd = get; |
hdr.hdr_var = (uint32_t) RPC_GET_BLOB(var); | hdr.hdr_var = htonl((uint32_t) AIT_GET_BLOB(var)); |
hdr.hdr_ret = 0; |
hdr.hdr_ret = 0; |
hdr.hdr_len = 0; |
hdr.hdr_len = 0; |
|
/* calculate CRC */ |
|
hdr.hdr_crc ^= hdr.hdr_crc; |
|
hdr.hdr_crc = htons(crcFletcher16((u_short*) &hdr, sizeof hdr / 2)); |
|
|
|
/* send GET request */ |
if (send(cli->cli_sock, &hdr, sizeof hdr, 0) == -1) { |
if (send(cli->cli_sock, &hdr, sizeof hdr, 0) == -1) { |
LOGERR; |
LOGERR; |
free(*data); |
free(*data); |
Line 316 rpc_cli_recvBLOB(rpc_cli_t * __restrict cli, rpc_val_t
|
Line 386 rpc_cli_recvBLOB(rpc_cli_t * __restrict cli, rpc_val_t
|
return -1; |
return -1; |
} |
} |
|
|
for (ret = var->val_len, pos = *data; ret > 0; ret -= len, pos += len) { | /* receive BLOB from server */ |
FD_ZERO(&fds); | pfd.fd = cli->cli_sock; |
FD_SET(cli->cli_sock, &fds); | pfd.events = POLLIN | POLLPRI; |
len = select(cli->cli_sock + 1, &fds, NULL, NULL, &tv); | for (ret = AIT_LEN(var), pos = *data; ret > 0; ret -= len, pos += len) { |
if (len < 1) { | if ((len = poll(&pfd, 1, DEF_RPC_TIMEOUT * 1000)) < 1 || |
| pfd.revents & (POLLERR | POLLHUP | POLLNVAL)) { |
LOGERR; |
LOGERR; |
free(*data); |
free(*data); |
*data = NULL; |
*data = NULL; |
return -1; |
return -1; |
} |
} |
|
|
if ((len = recv(cli->cli_sock, pos, BLOBSIZ, 0)) == -1) { | if ((len = recv(cli->cli_sock, pos, ret, 0)) == -1) { |
LOGERR; |
LOGERR; |
free(*data); |
free(*data); |
*data = NULL; |
*data = NULL; |
Line 335 rpc_cli_recvBLOB(rpc_cli_t * __restrict cli, rpc_val_t
|
Line 406 rpc_cli_recvBLOB(rpc_cli_t * __restrict cli, rpc_val_t
|
} |
} |
} |
} |
|
|
FD_ZERO(&fds); | /* wait for reply */ |
FD_SET(cli->cli_sock, &fds); | if ((len = poll(&pfd, 1, DEF_RPC_TIMEOUT * 1000)) < 1 || |
switch (select(cli->cli_sock + 1, &fds, NULL, NULL, &tv)) { | pfd.revents & (POLLERR | POLLHUP | POLLNVAL)) { |
case -1: | if (len) |
LOGERR; |
LOGERR; |
free(*data); | else |
*data = NULL; | rpc_SetErr(ETIMEDOUT, "Timeout reached! Server not respond"); |
return -1; | free(*data); |
case 0: | *data = NULL; |
rpc_SetErr(ETIMEDOUT, "Error:: Timeout reached! Server not responde ...\n"); | return 1; |
free(*data); | |
*data = NULL; | |
return -1; | |
} |
} |
if (recv(cli->cli_sock, &hdr, sizeof hdr, 0) == -1) { |
if (recv(cli->cli_sock, &hdr, sizeof hdr, 0) == -1) { |
LOGERR; |
LOGERR; |
free(*data); |
free(*data); |
*data = NULL; |
*data = NULL; |
return -1; | return 1; |
} |
} |
|
/* check CRC */ |
|
ret = ntohs(hdr.hdr_crc); |
|
hdr.hdr_crc ^= hdr.hdr_crc; |
|
if (ret != crcFletcher16((u_short*) &hdr, sizeof hdr / 2)) { |
|
rpc_SetErr(ERPCMISMATCH, "Bad CRC BLOB packet"); |
|
free(*data); |
|
*data = NULL; |
|
return 1; |
|
} |
if (hdr.hdr_cmd != error) { |
if (hdr.hdr_cmd != error) { |
if (hdr.hdr_len != var->val_len) { | if (ntohl(hdr.hdr_len) != AIT_LEN(var)) { |
rpc_SetErr(EBADMSG, "Error:: Bad return length packet ...\n"); | rpc_SetErr(ECANCELED, "Bad return length packet"); |
free(*data); |
free(*data); |
*data = NULL; |
*data = NULL; |
return -1; | return 1; |
} |
} |
} |
} |
|
|
return hdr.hdr_cmd == error; |
return hdr.hdr_cmd == error; |
|
} |
|
|
|
/* |
|
* rpc_cli_delBLOB() - Delete BLOB from server |
|
* |
|
* @cli = Client instance |
|
* @var = BLOB variable |
|
* return: -1 error, 0 ok, 1 remote error |
|
*/ |
|
int |
|
rpc_cli_delBLOB(rpc_cli_t * __restrict cli, ait_val_t * __restrict var) |
|
{ |
|
struct tagBLOBHdr hdr; |
|
struct pollfd pfd; |
|
int ret; |
|
|
|
if (!cli || !var) { |
|
rpc_SetErr(EINVAL, "Invalid arguments"); |
|
return -1; |
|
} |
|
|
|
rpc_addPktSession(&hdr.hdr_session, cli->cli_parent); |
|
hdr.hdr_cmd = unset; |
|
hdr.hdr_var = htonl((uint32_t) AIT_GET_BLOB(var)); |
|
hdr.hdr_ret = 0; |
|
hdr.hdr_len = 0; |
|
/* calculate CRC */ |
|
hdr.hdr_crc ^= hdr.hdr_crc; |
|
hdr.hdr_crc = htons(crcFletcher16((u_short*) &hdr, sizeof hdr / 2)); |
|
|
|
/* send UNSET request */ |
|
if (send(cli->cli_sock, &hdr, sizeof hdr, MSG_NOSIGNAL) == -1) { |
|
LOGERR; |
|
return -1; |
|
} |
|
|
|
/* wait for reply */ |
|
pfd.fd = cli->cli_sock; |
|
pfd.events = POLLIN | POLLPRI; |
|
if ((ret = poll(&pfd, 1, DEF_RPC_TIMEOUT * 1000)) < 1 || |
|
pfd.revents & (POLLERR | POLLHUP | POLLNVAL)) { |
|
if (ret) |
|
LOGERR; |
|
else |
|
rpc_SetErr(ETIMEDOUT, "Timeout reached! Server not respond"); |
|
return 1; |
|
} |
|
if (recv(cli->cli_sock, &hdr, sizeof hdr, 0) == -1) { |
|
LOGERR; |
|
return 1; |
|
} |
|
/* check CRC */ |
|
ret = ntohs(hdr.hdr_crc); |
|
hdr.hdr_crc ^= hdr.hdr_crc; |
|
if (ret != crcFletcher16((u_short*) &hdr, sizeof hdr / 2)) { |
|
rpc_SetErr(ERPCMISMATCH, "Bad CRC BLOB packet"); |
|
return 1; |
|
} |
|
|
|
return hdr.hdr_cmd == error; |
|
} |
|
|
|
/* |
|
* rpc_cli_getBLOB() - Receive BLOB from server and Delete after that |
|
* |
|
* @cli = Client instance |
|
* @var = BLOB variable |
|
* @data = BLOB data, must be free after use! |
|
* return: -1 error, 0 ok, 1 remote error |
|
*/ |
|
inline int |
|
rpc_cli_getBLOB(rpc_cli_t * __restrict cli, ait_val_t * __restrict var, void ** __restrict data) |
|
{ |
|
int ret; |
|
|
|
ret = rpc_cli_recvBLOB(cli, var, data); |
|
ret |= rpc_cli_delBLOB(cli, var) > 0 ? 2 : 0; |
|
|
|
return ret; |
} |
} |