Annotation of libaitrpc/src/blob.c, revision 1.7.2.4

1.2       misho       1: /*************************************************************************
                      2: * (C) 2010 AITNET ltd - Sofia/Bulgaria - <misho@aitbg.com>
                      3: *  by Michael Pounov <misho@openbsd-bg.org>
                      4: *
                      5: * $Author: misho $
1.7.2.4 ! misho       6: * $Id: blob.c,v 1.7.2.3 2012/05/16 08:20:26 misho Exp $
1.2       misho       7: *
                      8: **************************************************************************
                      9: The ELWIX and AITNET software is distributed under the following
                     10: terms:
                     11: 
                     12: All of the documentation and software included in the ELWIX and AITNET
                     13: Releases is copyrighted by ELWIX - Sofia/Bulgaria <info@elwix.org>
                     14: 
1.5       misho      15: Copyright 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012
1.2       misho      16:        by Michael Pounov <misho@elwix.org>.  All rights reserved.
                     17: 
                     18: Redistribution and use in source and binary forms, with or without
                     19: modification, are permitted provided that the following conditions
                     20: are met:
                     21: 1. Redistributions of source code must retain the above copyright
                     22:    notice, this list of conditions and the following disclaimer.
                     23: 2. Redistributions in binary form must reproduce the above copyright
                     24:    notice, this list of conditions and the following disclaimer in the
                     25:    documentation and/or other materials provided with the distribution.
                     26: 3. All advertising materials mentioning features or use of this software
                     27:    must display the following acknowledgement:
                     28: This product includes software developed by Michael Pounov <misho@elwix.org>
                     29: ELWIX - Embedded LightWeight unIX and its contributors.
                     30: 4. Neither the name of AITNET nor the names of its contributors
                     31:    may be used to endorse or promote products derived from this software
                     32:    without specific prior written permission.
                     33: 
                     34: THIS SOFTWARE IS PROVIDED BY AITNET AND CONTRIBUTORS ``AS IS'' AND
                     35: ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
                     36: IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
                     37: ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
                     38: FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
                     39: DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
                     40: OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     41: HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
                     42: LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
                     43: OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
                     44: SUCH DAMAGE.
                     45: */
                     46: #include "global.h"
                     47: 
                     48: 
                     49: /*
1.7.2.1   misho      50:  * rpc_srv_blobCreate() - Create and map blob to memory region and return object
1.5       misho      51:  *
1.2       misho      52:  * @srv = RPC Server instance
                     53:  * @len = BLOB length object
                     54:  * return: NULL error or !=NULL allocated BLOB object
                     55:  */
                     56: inline rpc_blob_t *
                     57: rpc_srv_blobCreate(rpc_srv_t * __restrict srv, int len)
                     58: {
                     59:        rpc_blob_t *blob = NULL;
                     60:        char szFName[MAXPATHLEN];
                     61:        int f;
                     62:        u_int rnd;
                     63: 
                     64: again:
                     65:        rnd = random() % UINT_MAX;
                     66: 
1.3       misho      67:        memset(szFName, 0, sizeof szFName);
1.5       misho      68:        snprintf(szFName, sizeof szFName, BLOB_FILE, AIT_GET_STR(&srv->srv_blob.dir), rnd);
1.2       misho      69:        f = open(szFName, O_CREAT | O_EXCL | O_RDWR, 0600);
                     70:        if (f == -1) {
                     71:                if (errno == EEXIST)
                     72:                        goto again;
                     73: 
                     74:                LOGERR;
                     75:                return NULL;
                     76:        }
1.7.2.1   misho      77:        if (ftruncate(f, len) == -1) {
1.2       misho      78:                LOGERR;
                     79:                close(f);
                     80:                unlink(szFName);
                     81:                return NULL;
1.7.2.1   misho      82:        }
1.2       misho      83: 
                     84:        blob = malloc(sizeof(rpc_blob_t));
                     85:        if (!blob) {
                     86:                LOGERR;
                     87:                close(f);
                     88:                unlink(szFName);
                     89:                return NULL;
                     90:        }
                     91: 
                     92:        blob->blob_data = mmap(NULL, len, PROT_READ | PROT_WRITE, MAP_SHARED, f, 0);
                     93:        if (blob->blob_data == MAP_FAILED) {
                     94:                LOGERR;
                     95:                free(blob);
                     96:                close(f);
                     97:                unlink(szFName);
                     98:                return NULL;
                     99:        } else
                    100:                close(f);
                    101: 
                    102:        blob->blob_len = len;
                    103:        blob->blob_var = rnd;
                    104:        return blob;
                    105: }
                    106: 
                    107: /*
1.5       misho     108:  * rpc_srv_blobMap() - Map blob to memory region 
                    109:  *
1.2       misho     110:  * @srv = RPC Server instance
                    111:  * @blob = Map to this BLOB element
                    112:  * return: -1 error or 0 ok
                    113:  */
                    114: inline int
                    115: rpc_srv_blobMap(rpc_srv_t * __restrict srv, rpc_blob_t * __restrict blob)
                    116: {
                    117:        int f;
                    118:        char szFName[MAXPATHLEN];
                    119: 
                    120:        if (!blob) {
1.5       misho     121:                rpc_SetErr(EINVAL, "Invalid argument BLOB");
1.2       misho     122:                return -1;
                    123:        }
1.4       misho     124:        if (blob->blob_data) {
1.5       misho     125:                rpc_SetErr(EPERM, "Already mmapped object found!");
1.4       misho     126:                return -1;
                    127:        }
1.2       misho     128: 
1.3       misho     129:        memset(szFName, 0, sizeof szFName);
1.5       misho     130:        snprintf(szFName, sizeof szFName, BLOB_FILE, AIT_GET_STR(&srv->srv_blob.dir), blob->blob_var);
1.2       misho     131:        f = open(szFName, O_RDWR);
                    132:        if (f == -1) {
                    133:                LOGERR;
                    134:                return -1;
                    135:        }
                    136: 
                    137:        blob->blob_data = mmap(NULL, blob->blob_len, PROT_READ | PROT_WRITE, MAP_SHARED, f, 0);
                    138:        if (blob->blob_data == MAP_FAILED) {
                    139:                LOGERR;
                    140:                close(f);
                    141:                blob->blob_data = NULL;
                    142:                return -1;
                    143:        } else {
                    144:                close(f);
                    145: 
                    146:                madvise(blob->blob_data, blob->blob_len, MADV_SEQUENTIAL);
                    147:        }
                    148: 
                    149:        return 0;
                    150: }
                    151: 
                    152: /*
1.5       misho     153:  * rpc_srv_blobUnmap() - Unmap blob memory region 
                    154:  *
1.2       misho     155:  * @blob = Mapped BLOB element
                    156:  * return: none
                    157:  */
                    158: inline void
                    159: rpc_srv_blobUnmap(rpc_blob_t * __restrict blob)
                    160: {
1.7.2.3   misho     161:        if (blob && blob->blob_data) {
1.2       misho     162:                munmap(blob->blob_data, blob->blob_len);
                    163:                blob->blob_data = NULL;
                    164:        }
                    165: }
                    166: 
                    167: /*
1.5       misho     168:  * rpc_srv_blobFree() - Free blob from disk & memory
                    169:  *
1.2       misho     170:  * @srv = RPC Server instance
                    171:  * @blob = Mapped BLOB element
                    172:  * return: -1 error or 0 ok
                    173:  */
                    174: inline int
                    175: rpc_srv_blobFree(rpc_srv_t * __restrict srv, rpc_blob_t * __restrict blob)
                    176: {
                    177:        char szFName[MAXPATHLEN];
                    178: 
                    179:        if (!blob) {
1.5       misho     180:                rpc_SetErr(EINVAL, "Invalid argument BLOB");
1.2       misho     181:                return -1;
1.7.2.1   misho     182:        } else
1.2       misho     183:                rpc_srv_blobUnmap(blob);
                    184: 
1.3       misho     185:        memset(szFName, 0, sizeof szFName);
1.5       misho     186:        snprintf(szFName, sizeof szFName, BLOB_FILE, AIT_GET_STR(&srv->srv_blob.dir), blob->blob_var);
1.3       misho     187:        if (unlink(szFName) == -1) {
1.2       misho     188:                LOGERR;
                    189:                return -1;
                    190:        }
                    191: 
                    192:        return 0;
                    193: }
                    194: 
1.7.2.1   misho     195: /* ------------------------------------------------------------ */
1.2       misho     196: 
                    197: /*
1.5       misho     198:  * rpc_srv_sendBLOB() - Send mapped BLOB to client
                    199:  *
1.2       misho     200:  * @cli = Client instance
                    201:  * @blob = Mapped BLOB element
                    202:  * return: -1 error, 0 ok
                    203:  */
                    204: int
                    205: rpc_srv_sendBLOB(rpc_cli_t * __restrict cli, rpc_blob_t * __restrict blob)
                    206: {
                    207:        int ret, len;
                    208:        uint8_t *pos;
                    209: 
                    210:        if (!cli || !blob || !blob->blob_data) {
1.5       misho     211:                rpc_SetErr(EINVAL, "Invalid arguments");
1.2       misho     212:                return -1;
                    213:        }
                    214: 
1.3       misho     215:        for (ret = blob->blob_len, pos = blob->blob_data; ret > 0; ret -= len, pos += len) {
1.7.2.2   misho     216:                len = send(cli->cli_sock, pos, ret, MSG_NOSIGNAL);
1.3       misho     217:                if (len == -1) {
1.2       misho     218:                        LOGERR;
                    219:                        return -1;
                    220:                }
1.3       misho     221:        }
1.2       misho     222: 
                    223:        return ret;
                    224: }
                    225: 
                    226: /*
1.5       misho     227:  * rpc_srv_recvBLOB() - Receive BLOB from client
                    228:  *
1.2       misho     229:  * @cli = Client instance
                    230:  * @blob = Mapped BLOB element
                    231:  * return: -1 error, 0 ok, >0 unreceived data from client, may be error?
                    232:  */
                    233: int
                    234: rpc_srv_recvBLOB(rpc_cli_t * __restrict cli, rpc_blob_t * __restrict blob)
                    235: {
                    236:        int ret, len;
                    237:        uint8_t *pos;
1.7       misho     238:        struct pollfd pfd;
1.2       misho     239: 
                    240:        if (!cli || !blob || !blob->blob_data) {
1.5       misho     241:                rpc_SetErr(EINVAL, "Invalid arguments");
1.2       misho     242:                return -1;
1.7       misho     243:        }
1.2       misho     244: 
1.7       misho     245:        pfd.fd = cli->cli_sock;
                    246:        pfd.events = POLLIN | POLLPRI;
1.2       misho     247:        for (ret = blob->blob_len, pos = blob->blob_data; ret > 0; ret -= len, pos += len) {
1.7.2.2   misho     248:                if ((len = poll(&pfd, 1, DEF_RPC_TIMEOUT * 1000)) < 1 || 
1.7       misho     249:                                pfd.revents & (POLLERR | POLLHUP | POLLNVAL)) {
1.2       misho     250:                        LOGERR;
                    251:                        return -1;
                    252:                }
                    253: 
1.3       misho     254:                len = recv(cli->cli_sock, pos, ret, 0);
                    255:                if (len == -1) {
1.2       misho     256:                        LOGERR;
                    257:                        return -1;
                    258:                }
                    259:        }
                    260: 
                    261:        return ret;
                    262: }
                    263: 
1.7.2.2   misho     264: /* ------------------------------------------------------------ */
1.2       misho     265: 
                    266: /*
1.5       misho     267:  * rpc_cli_sendBLOB() - Send BLOB to server
                    268:  *
1.2       misho     269:  * @cli = Client instance
                    270:  * @var = BLOB variable
                    271:  * @data = BLOB data
                    272:  * return: -1 error, 0 ok, 1 remote error
                    273:  */
                    274: int
1.4       misho     275: rpc_cli_sendBLOB(rpc_cli_t * __restrict cli, ait_val_t * __restrict var, void * __restrict data)
1.2       misho     276: {
                    277:        int ret, len;
                    278:        uint8_t *pos;
                    279:        struct tagBLOBHdr hdr;
1.7       misho     280:        struct pollfd pfd;
1.2       misho     281: 
                    282:        if (!cli || !var || !data) {
1.5       misho     283:                rpc_SetErr(EINVAL, "Invalid arguments");
1.2       misho     284:                return -1;
1.7       misho     285:        }
1.2       misho     286: 
1.5       misho     287:        rpc_addPktSession(&hdr.hdr_session, cli->cli_parent);
1.2       misho     288:        hdr.hdr_cmd = set;
                    289:        hdr.hdr_var = 0;
                    290:        hdr.hdr_ret = 0;
1.5       misho     291:        hdr.hdr_len = htonl(AIT_LEN(var));
                    292:        /* calculate CRC */
                    293:        hdr.hdr_crc ^= hdr.hdr_crc;
1.6       misho     294:        hdr.hdr_crc = htons(crcFletcher16((u_short*) &hdr, sizeof hdr / 2));
1.5       misho     295: 
                    296:        /* send SET request */
1.2       misho     297:        if (send(cli->cli_sock, &hdr, sizeof hdr, 0) == -1) {
                    298:                LOGERR;
                    299:                return -1;
                    300:        }
                    301: 
1.4       misho     302:        /* send BLOB to server */
                    303:        for (ret = AIT_LEN(var), pos = data; ret > 0; ret -= len, pos += len)
1.3       misho     304:                if ((len = send(cli->cli_sock, pos, ret, 0)) == -1) {
1.2       misho     305:                        LOGERR;
                    306:                        return -1;
                    307:                }
                    308: 
1.5       misho     309:        /* wait for reply */
1.7       misho     310:        pfd.fd = cli->cli_sock;
                    311:        pfd.events = POLLIN | POLLPRI;
1.7.2.3   misho     312:        if ((ret = poll(&pfd, 1, DEF_RPC_TIMEOUT * 1000)) < 1 || 
1.7       misho     313:                        pfd.revents & (POLLERR | POLLHUP | POLLNVAL)) {
                    314:                if (ret)
1.2       misho     315:                        LOGERR;
1.7       misho     316:                else
                    317:                        rpc_SetErr(ETIMEDOUT, "Timeout reached! Server not respond");
                    318:                return -1;
1.2       misho     319:        }
                    320:        if (recv(cli->cli_sock, &hdr, sizeof hdr, 0) == -1) {
                    321:                LOGERR;
1.5       misho     322:                return 1;
                    323:        }
                    324:        /* check CRC */
                    325:        ret = ntohs(hdr.hdr_crc);
                    326:        hdr.hdr_crc ^= hdr.hdr_crc;
1.6       misho     327:        if (ret != crcFletcher16((u_short*) &hdr, sizeof hdr / 2)) {
1.5       misho     328:                rpc_SetErr(ERPCMISMATCH, "Bad CRC BLOB packet");
                    329:                return 1;
1.2       misho     330:        }
1.5       misho     331: 
1.2       misho     332:        if (hdr.hdr_cmd != error) {
1.5       misho     333:                if (ntohl(hdr.hdr_len) != AIT_LEN(var)) {
                    334:                        rpc_SetErr(ECANCELED, "Bad return length packet");
                    335:                        return 1;
1.2       misho     336:                }
                    337: 
1.5       misho     338:                var->val.blob = ntohl(hdr.hdr_var);
1.2       misho     339:        }
                    340: 
                    341:        return hdr.hdr_cmd == error;
                    342: }
                    343: 
                    344: /*
1.5       misho     345:  * rpc_cli_recvBLOB() - Receive BLOB from server
                    346:  *
1.2       misho     347:  * @cli = Client instance
                    348:  * @var = BLOB variable
                    349:  * @data = BLOB data, must be free after use!
                    350:  * return: -1 error, 0 ok, 1 remote error
                    351:  */
                    352: int
1.4       misho     353: rpc_cli_recvBLOB(rpc_cli_t * __restrict cli, ait_val_t * __restrict var, void ** __restrict data)
1.2       misho     354: {
                    355:        int ret, len;
                    356:        uint8_t *pos;
1.7       misho     357:        struct pollfd pfd;
1.2       misho     358:        struct tagBLOBHdr hdr;
                    359: 
                    360:        if (!cli || !var || !data) {
1.5       misho     361:                rpc_SetErr(EINVAL, "Invalid arguments");
1.2       misho     362:                return -1;
1.7       misho     363:        }
1.2       misho     364: 
1.4       misho     365:        *data = malloc(AIT_LEN(var));
1.2       misho     366:        if (!*data) {
                    367:                LOGERR;
                    368:                return -1;
                    369:        } else
1.4       misho     370:                memset(*data, 0, AIT_LEN(var));
1.2       misho     371: 
1.5       misho     372:        rpc_addPktSession(&hdr.hdr_session, cli->cli_parent);
1.2       misho     373:        hdr.hdr_cmd = get;
1.5       misho     374:        hdr.hdr_var = htonl((uint32_t) AIT_GET_BLOB(var));
1.2       misho     375:        hdr.hdr_ret = 0;
                    376:        hdr.hdr_len = 0;
1.5       misho     377:        /* calculate CRC */
                    378:        hdr.hdr_crc ^= hdr.hdr_crc;
1.6       misho     379:        hdr.hdr_crc = htons(crcFletcher16((u_short*) &hdr, sizeof hdr / 2));
1.5       misho     380: 
                    381:        /* send GET request */
1.2       misho     382:        if (send(cli->cli_sock, &hdr, sizeof hdr, 0) == -1) {
                    383:                LOGERR;
                    384:                free(*data);
                    385:                *data = NULL;
                    386:                return -1;
                    387:        }
                    388: 
1.4       misho     389:        /* receive BLOB from server */
1.7       misho     390:        pfd.fd = cli->cli_sock;
                    391:        pfd.events = POLLIN | POLLPRI;
1.4       misho     392:        for (ret = AIT_LEN(var), pos = *data; ret > 0; ret -= len, pos += len) {
1.7.2.3   misho     393:                if ((len = poll(&pfd, 1, DEF_RPC_TIMEOUT * 1000)) < 1 || 
1.7       misho     394:                                pfd.revents & (POLLERR | POLLHUP | POLLNVAL)) {
1.2       misho     395:                        LOGERR;
                    396:                        free(*data);
                    397:                        *data = NULL;
                    398:                        return -1;
                    399:                }
                    400: 
1.3       misho     401:                if ((len = recv(cli->cli_sock, pos, ret, 0)) == -1) {
1.2       misho     402:                        LOGERR;
                    403:                        free(*data);
                    404:                        *data = NULL;
                    405:                        return -1;
                    406:                }
                    407:        }
                    408: 
1.5       misho     409:        /* wait for reply */
1.7.2.3   misho     410:        if ((len = poll(&pfd, 1, DEF_RPC_TIMEOUT * 1000)) < 1 || 
1.7       misho     411:                        pfd.revents & (POLLERR | POLLHUP | POLLNVAL)) {
                    412:                if (len)
1.2       misho     413:                        LOGERR;
1.7       misho     414:                else
                    415:                        rpc_SetErr(ETIMEDOUT, "Timeout reached! Server not respond");
                    416:                free(*data);
                    417:                *data = NULL;
                    418:                return 1;
1.2       misho     419:        }
                    420:        if (recv(cli->cli_sock, &hdr, sizeof hdr, 0) == -1) {
                    421:                LOGERR;
                    422:                free(*data);
                    423:                *data = NULL;
1.5       misho     424:                return 1;
                    425:        }
                    426:        /* check CRC */
                    427:        ret = ntohs(hdr.hdr_crc);
                    428:        hdr.hdr_crc ^= hdr.hdr_crc;
1.6       misho     429:        if (ret != crcFletcher16((u_short*) &hdr, sizeof hdr / 2)) {
1.5       misho     430:                rpc_SetErr(ERPCMISMATCH, "Bad CRC BLOB packet");
                    431:                free(*data);
                    432:                *data = NULL;
                    433:                return 1;
1.2       misho     434:        }
                    435:        if (hdr.hdr_cmd != error) {
1.5       misho     436:                if (ntohl(hdr.hdr_len) != AIT_LEN(var)) {
                    437:                        rpc_SetErr(ECANCELED, "Bad return length packet");
1.2       misho     438:                        free(*data);
                    439:                        *data = NULL;
1.5       misho     440:                        return 1;
1.2       misho     441:                }
                    442:        }
                    443: 
                    444:        return hdr.hdr_cmd == error;
                    445: }
                    446: 
                    447: /*
1.5       misho     448:  * rpc_cli_delBLOB() - Delete BLOB from server
                    449:  *
1.2       misho     450:  * @cli = Client instance
                    451:  * @var = BLOB variable
                    452:  * return: -1 error, 0 ok, 1 remote error
                    453:  */
                    454: int
1.4       misho     455: rpc_cli_delBLOB(rpc_cli_t * __restrict cli, ait_val_t * __restrict var)
1.2       misho     456: {
                    457:        struct tagBLOBHdr hdr;
1.7       misho     458:        struct pollfd pfd;
1.5       misho     459:        int ret;
1.2       misho     460: 
                    461:        if (!cli || !var) {
1.5       misho     462:                rpc_SetErr(EINVAL, "Invalid arguments");
1.2       misho     463:                return -1;
1.7       misho     464:        }
1.2       misho     465: 
1.5       misho     466:        rpc_addPktSession(&hdr.hdr_session, cli->cli_parent);
1.2       misho     467:        hdr.hdr_cmd = unset;
1.5       misho     468:        hdr.hdr_var = htonl((uint32_t) AIT_GET_BLOB(var));
1.2       misho     469:        hdr.hdr_ret = 0;
                    470:        hdr.hdr_len = 0;
1.5       misho     471:        /* calculate CRC */
                    472:        hdr.hdr_crc ^= hdr.hdr_crc;
1.6       misho     473:        hdr.hdr_crc = htons(crcFletcher16((u_short*) &hdr, sizeof hdr / 2));
1.5       misho     474: 
                    475:        /* send UNSET request */
1.2       misho     476:        if (send(cli->cli_sock, &hdr, sizeof hdr, 0) == -1) {
                    477:                LOGERR;
                    478:                return -1;
                    479:        }
                    480: 
1.5       misho     481:        /* wait for reply */
1.7       misho     482:        pfd.fd = cli->cli_sock;
                    483:        pfd.events = POLLIN | POLLPRI;
1.7.2.3   misho     484:        if ((ret = poll(&pfd, 1, DEF_RPC_TIMEOUT * 1000)) < 1 || 
1.7       misho     485:                        pfd.revents & (POLLERR | POLLHUP | POLLNVAL)) {
                    486:                if (ret)
1.2       misho     487:                        LOGERR;
1.7       misho     488:                else
                    489:                        rpc_SetErr(ETIMEDOUT, "Timeout reached! Server not respond");
                    490:                return 1;
1.2       misho     491:        }
                    492:        if (recv(cli->cli_sock, &hdr, sizeof hdr, 0) == -1) {
                    493:                LOGERR;
1.5       misho     494:                return 1;
                    495:        }
                    496:        /* check CRC */
                    497:        ret = ntohs(hdr.hdr_crc);
                    498:        hdr.hdr_crc ^= hdr.hdr_crc;
1.6       misho     499:        if (ret != crcFletcher16((u_short*) &hdr, sizeof hdr / 2)) {
1.5       misho     500:                rpc_SetErr(ERPCMISMATCH, "Bad CRC BLOB packet");
                    501:                return 1;
1.2       misho     502:        }
                    503: 
                    504:        return hdr.hdr_cmd == error;
                    505: }
                    506: 
                    507: /*
1.5       misho     508:  * rpc_cli_getBLOB() - Receive BLOB from server and Delete after that
                    509:  *
1.2       misho     510:  * @cli = Client instance
                    511:  * @var = BLOB variable
                    512:  * @data = BLOB data, must be free after use!
                    513:  * return: -1 error, 0 ok, 1 remote error
                    514:  */
                    515: inline int
1.4       misho     516: rpc_cli_getBLOB(rpc_cli_t * __restrict cli, ait_val_t * __restrict var, void ** __restrict data)
1.2       misho     517: {
                    518:        int ret;
                    519: 
                    520:        ret = rpc_cli_recvBLOB(cli, var, data);
                    521:        ret |= rpc_cli_delBLOB(cli, var) > 0 ? 2 : 0;
                    522: 
                    523:        return ret;
                    524: }

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