version 1.1.1.1.2.23, 2011/03/15 15:13:22
|
version 1.9.2.24, 2012/05/17 15:18:48
|
Line 5
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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" |
|
|
|
|
static void * |
static void * |
rpc_srv_dispatchCall(void *arg) | closeClient(sched_task_t *task) |
{ |
{ |
rpc_cli_t *c = arg; | rpc_cli_t *c = TASK_ARG(task); |
rpc_srv_t *s; | rpc_srv_t *s = c->cli_parent; |
rpc_val_t *vals = NULL, *v = NULL; | |
rpc_func_t *f; | 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[USHRT_MAX] = { 0 }; |
| struct tagRPCCall *rpc = (struct tagRPCCall*) buf; |
| int ret, wlen = sizeof(struct tagRPCCall); |
| |
| /* copy RPC header */ |
| memcpy(buf, TASK_DATA(task), wlen); |
| |
| if (rpc->call_argc) { |
| 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(io_arraySize(f->func_vars)); |
| /* Go Encapsulate variables */ |
| 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"); |
| rpc->call_argc ^= rpc->call_argc; |
| rpc->call_rep.ret = RPC_ERROR(-1); |
| rpc->call_rep.eno = RPC_ERROR(rpc_Errno); |
| } else |
| wlen += ret; |
| } |
| } |
| |
| rpc->call_len = htons(wlen); |
| |
| /* calculate CRC */ |
| rpc->call_crc ^= rpc->call_crc; |
| rpc->call_crc = htons(crcFletcher16((u_short*) buf, wlen / 2)); |
| |
| /* send reply */ |
| 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; |
| } |
| |
| static void * |
| execCall(sched_task_t *task) |
| { |
| rpc_cli_t *c = TASK_ARG(task); |
| rpc_srv_t *s = c->cli_parent; |
| rpc_func_t *f = NULL; |
| array_t *arr = NULL; |
| 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), |
| AIT_LEN(&c->cli_buf) - TASK_VAL(task) - sizeof(struct tagRPCCall), |
| argc, 1); |
| if (!arr) { |
| rpc_SetErr(ERPCMISMATCH, "#%d - %s", io_GetErrno(), io_GetError()); |
| rpc->call_argc ^= rpc->call_argc; |
| rpc->call_rep.ret = RPC_ERROR(-1); |
| rpc->call_rep.eno = RPC_ERROR(rpc_Errno); |
| return NULL; |
| } |
| } else |
| arr = NULL; |
| |
| 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); |
| rpc->call_rep.eno = RPC_ERROR(rpc_Errno); |
| } else { |
| /* if client doesn't want reply */ |
| argc = rpc->call_req.flags & RPC_NOREPLY; |
| rpc->call_rep.ret = RPC_ERROR(rpc_srv_execCall(f, rpc, arr)); |
| if (rpc->call_rep.ret == htonl(-1)) { |
| rpc->call_rep.eno = RPC_ERROR(errno); |
| rpc->call_argc ^= rpc->call_argc; |
| } else { |
| rpc->call_rep.eno ^= rpc->call_rep.eno; |
| if (argc) { |
| /* without reply */ |
| io_clrVars(f->func_vars); |
| rpc->call_argc ^= rpc->call_argc; |
| } else { |
| /* reply */ |
| rpc->call_argc = htons(io_arraySize(f->func_vars)); |
| } |
| } |
| } |
| |
| io_arrayDestroy(&arr); |
| return NULL; |
| } |
| |
| static void * |
| rxPacket(sched_task_t *task) |
| { |
| rpc_cli_t *c = TASK_ARG(task); |
| rpc_srv_t *s = c->cli_parent; |
| int len, rlen, noreply; |
| u_short crc, off = TASK_DATLEN(task); |
| u_char *buf = AIT_GET_BUF(&c->cli_buf); |
struct tagRPCCall *rpc; |
struct tagRPCCall *rpc; |
struct tagRPCRet rrpc; |
|
fd_set fds; |
|
u_char buf[BUFSIZ], *data; |
|
int ret, argc = 0, Limit = 0; |
|
register int i; |
|
|
|
if (!arg) { | memset(buf, 0, AIT_LEN(&c->cli_buf)); |
rpc_SetErr(EINVAL, "Error:: Invalid parameter can`t procced RPC client ...\n"); | rlen = recv(TASK_FD(task), buf + off, AIT_LEN(&c->cli_buf) - off, 0); |
| if (rlen < 1) { |
| /* close connection */ |
| schedEvent(TASK_ROOT(task), closeClient, c, 42, NULL, 0); |
return NULL; |
return NULL; |
} else | } else { |
s = c->cli_parent; | rlen += off; /* add reminded bytes from previous rxPacket, if exists! */ |
| off = 0; /* process buffer from start offset == 0 */ |
| } |
|
|
do { |
do { |
FD_ZERO(&fds); | /* check RPC packet */ |
FD_SET(c->cli_sock, &fds); | if (rlen < sizeof(struct tagRPCCall)) { |
ret = select(c->cli_sock + 1, &fds, NULL, NULL, NULL); | rpc_SetErr(ERPCMISMATCH, "Short RPC packet"); |
if (ret == -1) { | |
ret = -2; | /* reminder received previous bytes ;) */ |
} | schedRead(TASK_ROOT(task), TASK_FUNC(task), TASK_ARG(task), |
memset(&rrpc, 0, sizeof rrpc); | TASK_FD(task), TASK_DATA(task), rlen); |
memset(buf, 0, BUFSIZ); | return NULL; |
if ((ret = recv(c->cli_sock, buf, BUFSIZ, 0)) == -1) { | } else |
LOGERR; | rpc = (struct tagRPCCall*) (buf + off); |
ret = -3; | |
| len = ntohs(rpc->call_len); |
| rlen -= len; |
| |
| /* check RPC packet lengths */ |
| if (rlen < 0 || len < sizeof(struct tagRPCCall)) { |
| rpc_SetErr(ERPCMISMATCH, "Broken RPC packet length"); |
| /* skip entire packet */ |
break; |
break; |
} |
} |
if (!ret) { // receive EOF | |
ret = 0; | /* check integrity of packet */ |
break; | crc = ntohs(rpc->call_crc); |
| rpc->call_crc ^= rpc->call_crc; |
| if (crc != crcFletcher16((u_short*) rpc, len / 2)) { |
| rpc_SetErr(ERPCMISMATCH, "Bad CRC RPC packet"); |
| |
| off += len; |
| /* try next packet remaining into buffer */ |
| continue; |
} |
} |
if (ret < sizeof(struct tagRPCCall)) { |
|
rpc_SetErr(EMSGSIZE, "Error:: too short RPC packet ...\n"); |
|
ret = -4; |
|
break; |
|
} else |
|
rpc = (struct tagRPCCall*) buf; |
|
// check RPC packet session info |
|
if (memcmp(&rpc->call_session, &s->srv_session, sizeof rpc->call_session)) { |
|
rpc_SetErr(EINVAL, "Error:: get invalid RPC session ...\n"); |
|
ret = -5; |
|
goto makeReply; |
|
} else |
|
Limit = sizeof(struct tagRPCCall); |
|
// RPC is OK! Go decapsulate variables ... |
|
if (rpc->call_argc) { |
|
v = (rpc_val_t*) (buf + Limit); |
|
// check RPC packet length |
|
if (rpc->call_argc * sizeof(rpc_val_t) > BUFSIZ - Limit) { |
|
rpc_SetErr(EMSGSIZE, "Error:: Too big RPC packet ...\n"); |
|
ret = -5; |
|
goto makeReply; |
|
} else |
|
Limit += rpc->call_argc * sizeof(rpc_val_t); |
|
// RPC received variables types OK! |
|
data = (u_char*) v + rpc->call_argc * sizeof(rpc_val_t); |
|
for (i = 0; i < rpc->call_argc; i++) { |
|
switch (v[i].val_type) { |
|
case buffer: |
|
if (v[i].val_len > BUFSIZ - Limit) { |
|
rpc_SetErr(EMSGSIZE, "Error:: Too big RPC packet ...\n"); |
|
ret = -5; |
|
goto makeReply; |
|
} else |
|
Limit += v[i].val_len; |
|
|
|
v[i].val.buffer = data; | noreply = rpc->call_req.flags & RPC_NOREPLY; |
data += v[i].val_len; | |
break; | |
case string: | |
if (v[i].val_len + 1 > BUFSIZ - Limit) { | |
rpc_SetErr(EMSGSIZE, "Error:: Too big RPC packet ...\n"); | |
ret = -5; | |
goto makeReply; | |
} else | |
Limit += v[i].val_len; | |
|
|
v[i].val.string = (int8_t*) data; | /* check RPC packet session info */ |
data += v[i].val_len + 1; | if (rpc_chkPktSession(&rpc->call_session, &s->srv_session)) { |
break; | rpc_SetErr(ERPCMISMATCH, "Get invalid RPC session"); |
case blob: | rpc->call_argc ^= rpc->call_argc; |
if (s->srv_blob.state == disable) { | rpc->call_rep.ret = RPC_ERROR(-1); |
rpc_SetErr(ENOTSUP, "Error:: BLOB server is disabled\n"); | rpc->call_rep.eno = RPC_ERROR(errno); |
ret = -5; | } else { |
goto makeReply; | /* execute RPC call */ |
} | schedEvent(TASK_ROOT(task), execCall, TASK_ARG(task), off, NULL, 0); |
default: | |
break; | |
} | |
} | |
} |
} |
|
|
argc = 0; | /* send RPC reply */ |
vals = NULL; | if (!noreply) |
if (!(f = rpc_srv_getCall(s, rpc->call_tag, rpc->call_hash))) { | schedWrite(TASK_ROOT(task), txPacket, TASK_ARG(task), TASK_FD(task), rpc, len); |
rpc_SetErr(EINVAL, "Error:: call not found into RPC server ...\n"); | |
ret = -6; | |
} else | |
if ((ret = rpc_srv_execCall(f, rpc, v)) == -1) | |
ret = -9; | |
else | |
argc = rpc_srv_getValsCall(f, &vals); | |
|
|
makeReply: | off += len; |
memcpy(&rrpc.ret_session, &rpc->call_session, sizeof rrpc.ret_session); | } while (rlen > 0); |
rrpc.ret_tag = rpc->call_tag; | |
rrpc.ret_hash = rpc->call_hash; | |
rrpc.ret_errno = rpc_Errno; | |
rrpc.ret_retcode = ret; | |
rrpc.ret_argc = argc; | |
|
|
memset(buf, 0, BUFSIZ); | /* lets get next packet */ |
memcpy(buf, &rrpc, (Limit = sizeof rrpc)); | schedRead(TASK_ROOT(task), TASK_FUNC(task), TASK_ARG(task), TASK_FD(task), TASK_DATA(task), 0); |
if (argc && vals) { | return NULL; |
v = (rpc_val_t*) (buf + sizeof rrpc); | } |
memcpy(v, vals, argc * sizeof(rpc_val_t)); | |
Limit += argc * sizeof(rpc_val_t); | |
data = (u_char*) v + argc * sizeof(rpc_val_t); | |
for (ret = i = 0; i < argc; i++) { | |
switch (vals[i].val_type) { | |
case buffer: | |
if (ret || Limit + vals[i].val_len > BUFSIZ) { | |
rpc_SetErr(EMSGSIZE, "Error:: in prepare RPC packet (-7) ...\n"); | |
rrpc.ret_retcode = ret = -7; | |
rrpc.ret_argc = 0; | |
break; | |
} | |
|
|
memcpy(data, vals[i].val.buffer, vals[i].val_len); | static void * |
data += vals[i].val_len; | acceptClients(sched_task_t *task) |
Limit += vals[i].val_len; | { |
break; | rpc_srv_t *srv = TASK_ARG(task); |
case string: | rpc_cli_t *c = NULL; |
if (ret || Limit + vals[i].val_len + 1 > BUFSIZ) { | register int i; |
rpc_SetErr(EMSGSIZE, "Error:: in prepare RPC packet (-7) ...\n"); | socklen_t salen = sizeof(io_sockaddr_t); |
rrpc.ret_retcode = ret = -7; | |
rrpc.ret_argc = 0; | |
break; | |
} | |
|
|
memcpy(data, vals[i].val.string, vals[i].val_len + 1); | /* check free slots for connect */ |
data += vals[i].val_len + 1; | for (i = 0; i < io_arraySize(srv->srv_clients) && |
Limit += vals[i].val_len + 1; | (c = io_array(srv->srv_clients, i, rpc_cli_t*)); i++); |
break; | if (c) /* no more free slots! */ |
case blob: | goto end; |
if (s->srv_blob.state == disable) { | c = malloc(sizeof(rpc_cli_t)); |
rpc_SetErr(ENOTSUP, "Error:: BLOB server is disabled\n"); | if (!c) { |
rrpc.ret_retcode = ret = -5; | LOGERR; |
rrpc.ret_argc = 0; | srv->srv_kill = 1; |
break; | return NULL; |
} | } else { |
default: | memset(c, 0, sizeof(rpc_cli_t)); |
break; | io_arraySet(srv->srv_clients, i, c); |
} | c->cli_id = i; |
| c->cli_parent = srv; |
| } |
|
|
RPC_FREE_VAL(&vals[i]); | /* alloc empty buffer */ |
} | AIT_SET_BUF2(&c->cli_buf, 0, srv->srv_netbuf); |
} | |
|
|
if ((ret = send(c->cli_sock, buf, Limit, 0)) == -1) { | /* accept client */ |
LOGERR; | c->cli_sock = accept(TASK_FD(task), &c->cli_sa.sa, &salen); |
ret = -8; | if (c->cli_sock == -1) { |
break; | LOGERR; |
} | AIT_FREE_VAL(&c->cli_buf); |
if (ret != Limit) { | io_arrayDel(srv->srv_clients, i, 42); |
rpc_SetErr(ECANCELED, "Error:: in send RPC request, should be send %d bytes, " | goto end; |
"really is %d\n", Limit, ret); | } else |
ret = -9; | fcntl(c->cli_sock, F_SETFL, fcntl(c->cli_sock, F_GETFL) | O_NONBLOCK); |
break; | |
} | |
} while (ret > -1); | |
|
|
shutdown(c->cli_sock, SHUT_RDWR); | 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); |
close(c->cli_sock); |
memset(c, 0, sizeof(rpc_cli_t)); | |
return (void*) ret; | /* 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) |
|
{ |
|
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); |
|
|
|
/* calculate CRC */ |
|
blob->hdr_crc ^= blob->hdr_crc; |
|
blob->hdr_crc = htons(crcFletcher16((u_short*) buf, wlen / 2)); |
|
|
|
/* send reply */ |
|
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; |
|
} |
|
|
static void * |
static void * |
rpc_srv_dispatchVars(void *arg) | rxBLOB(sched_task_t *task) |
{ |
{ |
rpc_cli_t *c = arg; | rpc_cli_t *c = TASK_ARG(task); |
rpc_srv_t *s; | rpc_srv_t *s = c->cli_parent; |
rpc_blob_t *b; |
rpc_blob_t *b; |
int ret; | struct tagBLOBHdr blob; |
fd_set fds; | int rlen; |
u_char buf[sizeof(struct tagBLOBHdr)]; | u_short crc; |
struct tagBLOBHdr *blob; | |
|
|
if (!arg) { | memset(&blob, 0, sizeof blob); |
rpc_SetErr(EINVAL, "Error:: Invalid parameter can`t procced BLOB client ...\n"); | rlen = recv(TASK_FD(task), &blob, sizeof blob, 0); |
| if (rlen < 1) { |
| /* close blob connection */ |
| schedEvent(TASK_ROOT(task), closeBLOBClient, c, 42, NULL, 0); |
return NULL; |
return NULL; |
} else | } |
s = c->cli_parent; | |
|
|
do { | /* check BLOB packet */ |
// check for disable service at this moment? | if (rlen < sizeof(struct tagBLOBHdr)) { |
if (s->srv_blob.state == disable) { | rpc_SetErr(ERPCMISMATCH, "Short BLOB packet"); |
ret = 0; | |
break; | |
} | |
|
|
FD_ZERO(&fds); | schedReadSelf(task); |
FD_SET(c->cli_sock, &fds); | return NULL; |
ret = select(c->cli_sock + 1, &fds, NULL, NULL, NULL); | } |
if (ret == -1) { | |
ret = -2; | |
} | |
|
|
memset(buf, 0, sizeof buf); | /* check integrity of packet */ |
if ((ret = recv(c->cli_sock, buf, sizeof buf, 0)) == -1) { | crc = ntohs(blob.hdr_crc); |
LOGERR; | blob.hdr_crc ^= blob.hdr_crc; |
ret = -3; | if (crc != crcFletcher16((u_short*) &blob, rlen / 2)) { |
break; | rpc_SetErr(ERPCMISMATCH, "Bad CRC BLOB packet"); |
} | |
if (!ret || s->srv_blob.state == disable) { // receive EOF or disable service | |
ret = 0; | |
break; | |
} | |
if (ret < sizeof(struct tagBLOBHdr)) { | |
rpc_SetErr(EMSGSIZE, "Error:: too short BLOB packet ...\n"); | |
ret = -4; | |
break; | |
} else | |
blob = (struct tagBLOBHdr*) buf; | |
// check BLOB packet session info | |
if (memcmp(&blob->hdr_session, &s->srv_session, sizeof blob->hdr_session)) { | |
rpc_SetErr(EINVAL, "Error:: get invalid BLOB session ...\n"); | |
ret = -5; | |
goto makeReply; | |
} | |
// Go to proceed packet ... | |
switch (blob->hdr_cmd) { | |
case get: | |
if (!(b = rpc_srv_getBLOB(s, blob->hdr_var))) { | |
rpc_SetErr(EINVAL, "Error:: var (%x) not found into BLOB server ...\n", | |
blob->hdr_var); | |
ret = -6; | |
break; | |
} else | |
blob->hdr_len = b->blob_len; | |
|
|
if (rpc_srv_blobMap(s, b) != -1) { | schedReadSelf(task); |
ret = rpc_srv_sendBLOB(c, b); | return NULL; |
rpc_srv_blobUnmap(b); | } |
} else | |
ret = -7; | |
break; | |
case set: | |
if ((b = rpc_srv_registerBLOB(s, blob->hdr_len))) { | |
// set new BLOB variable for reply :) | |
blob->hdr_var = b->blob_var; | |
|
|
ret = rpc_srv_recvBLOB(c, b); | /* check RPC packet session info */ |
rpc_srv_blobUnmap(b); | if ((crc = rpc_chkPktSession(&blob.hdr_session, &s->srv_session))) { |
} else | rpc_SetErr(ERPCMISMATCH, "Get invalid RPC session"); |
ret = -7; | blob.hdr_cmd = error; |
| goto end; |
| } |
| |
| /* Go to proceed packet ... */ |
| switch (blob.hdr_cmd) { |
| case get: |
| if (!(b = rpc_srv_getBLOB(s, ntohl(blob.hdr_var)))) { |
| rpc_SetErr(EINVAL, "Var=%x not found", ntohl(blob.hdr_var)); |
| blob.hdr_cmd = no; |
| blob.hdr_ret = RPC_ERROR(-1); |
break; |
break; |
case unset: | } else |
ret = rpc_srv_unregisterBLOB(s, blob->hdr_var); | blob.hdr_len = htonl(b->blob_len); |
if (ret == -1) | |
ret = -7; | |
break; | |
default: | |
rpc_SetErr(EINVAL, "Error:: unsupported BLOB command (%d)...\n", | |
blob->hdr_cmd); | |
ret = -7; | |
} | |
|
|
makeReply: | if (rpc_srv_blobMap(s, b) != -1) { |
// Replay to client! | /* deliver BLOB variable to client */ |
blob->hdr_cmd = ret < 0 ? error : ok; | blob.hdr_ret = htonl(rpc_srv_sendBLOB(c, b)); |
blob->hdr_ret = ret; | rpc_srv_blobUnmap(b); |
if ((ret = send(c->cli_sock, buf, sizeof buf, 0)) == -1) { | } else { |
LOGERR; | blob.hdr_cmd = error; |
ret = -8; | blob.hdr_ret = RPC_ERROR(-1); |
| } |
break; |
break; |
} | case set: |
if (ret != sizeof buf) { | if ((b = rpc_srv_registerBLOB(s, ntohl(blob.hdr_len)))) { |
rpc_SetErr(ECANCELED, "Error:: in send BLOB reply, should be send %d bytes, " | /* set new BLOB variable for reply :) */ |
"really is %d\n", sizeof buf, ret); | blob.hdr_var = htonl(b->blob_var); |
ret = -9; | |
| /* receive BLOB from client */ |
| blob.hdr_ret = htonl(rpc_srv_recvBLOB(c, b)); |
| rpc_srv_blobUnmap(b); |
| } else { |
| blob.hdr_cmd = error; |
| blob.hdr_ret = RPC_ERROR(-1); |
| } |
break; |
break; |
} | case unset: |
} while (ret > -1); | if (rpc_srv_unregisterBLOB(s, blob.hdr_var) == -1) { |
| blob.hdr_cmd = error; |
| blob.hdr_ret = RPC_ERROR(-1); |
| } |
| break; |
| default: |
| rpc_SetErr(EPROCUNAVAIL, "Unsupported BLOB command %d", blob.hdr_cmd); |
| blob.hdr_cmd = error; |
| blob.hdr_ret = RPC_ERROR(-1); |
| } |
|
|
shutdown(c->cli_sock, SHUT_RDWR); | end: |
close(c->cli_sock); | memcpy(AIT_ADDR(&c->cli_buf), &blob, sizeof blob); |
memset(c, 0, sizeof(rpc_cli_t)); | schedWrite(TASK_ROOT(task), txBLOB, TASK_ARG(task), TASK_FD(task), NULL, 0); |
return (void*) ret; | schedReadSelf(task); |
| return NULL; |
} |
} |
|
|
// ------------------------------------------------- | static void * |
| acceptBLOBClients(sched_task_t *task) |
| { |
| rpc_srv_t *srv = TASK_ARG(task); |
| rpc_cli_t *c = NULL; |
| register int i; |
| socklen_t salen = sizeof(io_sockaddr_t); |
|
|
|
/* 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; |
|
} else { |
|
memset(c, 0, sizeof(rpc_cli_t)); |
|
io_arraySet(srv->srv_blob.clients, i, c); |
|
c->cli_id = i; |
|
c->cli_parent = srv; |
|
} |
|
|
|
/* alloc empty buffer */ |
|
AIT_SET_BUF2(&c->cli_buf, 0, srv->srv_netbuf); |
|
|
|
/* 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); |
|
|
|
schedRead(TASK_ROOT(task), rxBLOB, c, c->cli_sock, NULL, 0); |
|
end: |
|
schedReadSelf(task); |
|
return NULL; |
|
} |
|
|
|
/* ------------------------------------------------------ */ |
|
|
/* |
/* |
* rpc_srv_initBLOBServer() Init & create BLOB Server | * rpc_srv_initBLOBServer() - Init & create BLOB Server |
| * |
| * @srv = RPC server instance |
* @Port = Port for bind server, if Port == 0 default port is selected |
* @Port = Port for bind server, if Port == 0 default port is selected |
* @diskDir = Disk place for BLOB file objects |
* @diskDir = Disk place for BLOB file objects |
* return: -1 == error or 0 bind and created BLOB server instance |
* return: -1 == error or 0 bind and created BLOB server instance |
Line 321 int
|
Line 493 int
|
rpc_srv_initBLOBServer(rpc_srv_t * __restrict srv, u_short Port, const char *diskDir) |
rpc_srv_initBLOBServer(rpc_srv_t * __restrict srv, u_short Port, const char *diskDir) |
{ |
{ |
int n = 1; |
int n = 1; |
struct sockaddr_in sin; |
|
struct sockaddr_in6 sin6; |
|
|
|
if (!srv) { | if (!srv || srv->srv_kill) { |
rpc_SetErr(EINVAL, "Error:: Invalid parameters can`t init BLOB server ...\n"); | rpc_SetErr(EINVAL, "Invalid parameters can`t init BLOB server"); |
return -1; |
return -1; |
} |
} |
if (srv->srv_blob.state) { |
|
rpc_SetErr(EPERM, "Warning:: Already started BLOB server!\n"); |
|
return 0; |
|
} |
|
if (!Port) |
|
Port = RPC_DEFPORT + 1; |
|
|
|
memset(&srv->srv_blob, 0, sizeof srv->srv_blob); |
memset(&srv->srv_blob, 0, sizeof srv->srv_blob); |
if (access(diskDir, R_OK | W_OK) == -1) { |
if (access(diskDir, R_OK | W_OK) == -1) { |
LOGERR; |
LOGERR; |
return -1; |
return -1; |
} else |
} else |
strlcpy(srv->srv_blob.dir, diskDir, UCHAR_MAX + 1); | 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; |
srv->srv_blob.server.cli_parent = srv; |
if (srv->srv_server.cli_sa.sa_family == AF_INET) { | |
memcpy(&sin, &srv->srv_server.cli_sa, sizeof sin); | memcpy(&srv->srv_blob.server.cli_sa, &srv->srv_server.cli_sa, sizeof(io_sockaddr_t)); |
sin.sin_port = htons(Port); | switch (srv->srv_blob.server.cli_sa.sa.sa_family) { |
memcpy(&srv->srv_blob.server.cli_sa, &sin, sizeof(struct sockaddr)); | case AF_INET: |
} else { | srv->srv_blob.server.cli_sa.sin.sin_port = |
memcpy(&sin6, &srv->srv_server.cli_sa, sizeof sin6); | htons(Port ? Port : ntohs(srv->srv_blob.server.cli_sa.sin.sin_port) + 1); |
sin6.sin6_port = htons(Port); | break; |
memcpy(&srv->srv_blob.server.cli_sa, &sin6, sizeof(struct sockaddr)); | case AF_INET6: |
| 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(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; |
} |
} |
|
|
srv->srv_blob.server.cli_sock = socket(srv->srv_server.cli_sa.sa_family, SOCK_STREAM, 0); | /* create BLOB server socket */ |
| srv->srv_blob.server.cli_sock = socket(srv->srv_server.cli_sa.sa.sa_family, SOCK_STREAM, 0); |
if (srv->srv_blob.server.cli_sock == -1) { |
if (srv->srv_blob.server.cli_sock == -1) { |
LOGERR; |
LOGERR; |
|
AIT_FREE_VAL(&srv->srv_blob.dir); |
return -1; |
return -1; |
} |
} |
if (setsockopt(srv->srv_blob.server.cli_sock, SOL_SOCKET, SO_REUSEADDR, &n, sizeof n) == -1) { |
if (setsockopt(srv->srv_blob.server.cli_sock, SOL_SOCKET, SO_REUSEADDR, &n, sizeof n) == -1) { |
LOGERR; |
LOGERR; |
close(srv->srv_blob.server.cli_sock); |
close(srv->srv_blob.server.cli_sock); |
|
AIT_FREE_VAL(&srv->srv_blob.dir); |
return -1; |
return -1; |
} |
} |
if (bind(srv->srv_blob.server.cli_sock, &srv->srv_blob.server.cli_sa, | n = srv->srv_netbuf; |
sizeof srv->srv_blob.server.cli_sa) == -1) { | if (setsockopt(srv->srv_blob.server.cli_sock, SOL_SOCKET, SO_SNDBUF, &n, sizeof n) == -1) { |
LOGERR; |
LOGERR; |
close(srv->srv_blob.server.cli_sock); |
close(srv->srv_blob.server.cli_sock); |
|
AIT_FREE_VAL(&srv->srv_blob.dir); |
return -1; |
return -1; |
} |
} |
|
if (setsockopt(srv->srv_blob.server.cli_sock, SOL_SOCKET, SO_RCVBUF, &n, sizeof n) == -1) { |
|
LOGERR; |
|
close(srv->srv_blob.server.cli_sock); |
|
AIT_FREE_VAL(&srv->srv_blob.dir); |
|
return -1; |
|
} |
|
if (bind(srv->srv_blob.server.cli_sock, &srv->srv_blob.server.cli_sa.sa, |
|
srv->srv_blob.server.cli_sa.sa.sa_len) == -1) { |
|
LOGERR; |
|
close(srv->srv_blob.server.cli_sock); |
|
AIT_FREE_VAL(&srv->srv_blob.dir); |
|
return -1; |
|
} |
|
|
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) { |
if (!srv->srv_blob.clients) { |
LOGERR; | rpc_SetErr(io_GetErrno(), "%s", io_GetError()); |
close(srv->srv_blob.server.cli_sock); |
close(srv->srv_blob.server.cli_sock); |
|
AIT_FREE_VAL(&srv->srv_blob.dir); |
return -1; |
return -1; |
} else | } |
memset(srv->srv_blob.clients, 0, srv->srv_numcli * sizeof(rpc_cli_t)); | |
|
|
pthread_mutex_init(&srv->srv_blob.mtx, NULL); | /* 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; |
| } |
|
|
pthread_mutex_lock(&srv->srv_mtx); |
|
rpc_srv_registerCall(srv, NULL, CALL_BLOBSHUTDOWN, 0); |
|
rpc_srv_registerCall(srv, NULL, CALL_BLOBCLIENTS, 0); |
|
rpc_srv_registerCall(srv, NULL, CALL_BLOBVARS, 0); |
|
rpc_srv_registerCall(srv, NULL, CALL_BLOBSTATE, 1); |
|
pthread_mutex_unlock(&srv->srv_mtx); |
|
|
|
srv->srv_blob.state = enable; // enable BLOB |
|
return 0; |
return 0; |
} |
} |
|
|
/* |
/* |
* rpc_srv_endBLOBServer() Destroy BLOB server, close all opened sockets and free resources | * rpc_srv_endBLOBServer() - Destroy BLOB server, close all opened sockets and free resources |
| * |
* @srv = RPC Server instance |
* @srv = RPC Server instance |
* return: none |
* return: none |
*/ |
*/ |
Line 402 rpc_srv_endBLOBServer(rpc_srv_t * __restrict srv)
|
Line 597 rpc_srv_endBLOBServer(rpc_srv_t * __restrict srv)
|
{ |
{ |
rpc_cli_t *c; |
rpc_cli_t *c; |
register int i; |
register int i; |
rpc_blob_t *f; | rpc_blob_t *b, *tmp; |
|
|
if (!srv) { | if (!srv) |
rpc_SetErr(EINVAL, "Error:: Can`t destroy server because parameter is null!\n"); | |
return; |
return; |
} else |
|
srv->srv_blob.state = disable; |
|
|
|
rpc_srv_unregisterCall(srv, NULL, CALL_BLOBSHUTDOWN); | if (srv->srv_blob.tid) { |
rpc_srv_unregisterCall(srv, NULL, CALL_BLOBCLIENTS); | pthread_cancel(srv->srv_blob.tid); |
rpc_srv_unregisterCall(srv, NULL, CALL_BLOBVARS); | pthread_join(srv->srv_blob.tid, NULL); |
rpc_srv_unregisterCall(srv, NULL, CALL_BLOBSTATE); | } |
|
|
for (i = 0, c = srv->srv_blob.clients; i < srv->srv_numcli && c; i++, c++) | /* close all clients connections & server socket */ |
if (c->cli_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); |
shutdown(c->cli_sock, SHUT_RDWR); |
close(srv->srv_blob.server.cli_sock); | close(c->cli_sock); |
|
|
if (srv->srv_blob.clients) { | schedCancelby(srv->srv_blob.root, taskMAX, CRITERIA_ARG, c, NULL); |
free(srv->srv_blob.clients); | AIT_FREE_VAL(&c->cli_buf); |
srv->srv_blob.clients = NULL; | } |
| io_arrayDel(srv->srv_blob.clients, i, 42); |
} |
} |
|
io_arrayDestroy(&srv->srv_blob.clients); |
|
|
pthread_mutex_lock(&srv->srv_blob.mtx); | close(srv->srv_blob.server.cli_sock); |
while ((f = srv->srv_blob.blobs)) { | |
srv->srv_blob.blobs = f->blob_next; | /* detach blobs */ |
rpc_srv_blobFree(srv, f); | TAILQ_FOREACH_SAFE(b, &srv->srv_blob.blobs, blob_node, tmp) { |
free(f); | TAILQ_REMOVE(&srv->srv_blob.blobs, b, blob_node); |
| |
| rpc_srv_blobFree(srv, b); |
| free(b); |
} |
} |
pthread_mutex_unlock(&srv->srv_blob.mtx); |
|
|
|
while (pthread_mutex_trylock(&srv->srv_blob.mtx) == EBUSY); | schedEnd(&srv->srv_blob.root); |
pthread_mutex_destroy(&srv->srv_blob.mtx); | AIT_FREE_VAL(&srv->srv_blob.dir); |
} |
} |
|
|
/* |
/* |
* rpc_srv_execBLOBServer() 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 |
* @srv = RPC Server instance |
* return: -1 error or 0 ok, infinite loop ... |
* return: -1 error or 0 ok, infinite loop ... |
*/ |
*/ |
int |
int |
rpc_srv_execBLOBServer(rpc_srv_t * __restrict srv) | rpc_srv_loopBLOBServer(rpc_srv_t * __restrict srv) |
{ |
{ |
socklen_t salen = sizeof(struct sockaddr); | if (!srv || srv->srv_kill) { |
register int i; | rpc_SetErr(EINVAL, "Invalid parameter can`t start BLOB server"); |
rpc_cli_t *c; | |
fd_set fds; | |
int ret; | |
struct timeval tv = { DEF_RPC_TIMEOUT, 0 }; | |
| |
if (!srv || srv->srv_blob.state == disable) { | |
rpc_SetErr(EINVAL, "Error:: Invalid parameter can`t start BLOB server ...\n"); | |
return -1; |
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; |
LOGERR; |
return -1; |
return -1; |
} |
} |
|
|
while (!blob_Kill && !rpc_Kill) { | if (!schedRead(srv->srv_blob.root, acceptBLOBClients, srv, |
for (c = srv->srv_blob.clients, i = 0; i < srv->srv_numcli && c; i++, c++) | srv->srv_blob.server.cli_sock, NULL, 0)) { |
if (!c->cli_sa.sa_family) | rpc_SetErr(sched_GetErrno(), "%s", sched_GetError()); |
break; | return -1; |
if (i >= srv->srv_numcli) { | |
usleep(1000000); | |
continue; | |
} | |
| |
FD_ZERO(&fds); | |
FD_SET(srv->srv_blob.server.cli_sock, &fds); | |
ret = select(srv->srv_blob.server.cli_sock + 1, &fds, NULL, NULL, &tv); | |
if (ret == -1) { | |
LOGERR; | |
ret = 1; | |
break; | |
} | |
if (!ret) | |
continue; | |
| |
c->cli_sock = accept(srv->srv_blob.server.cli_sock, &c->cli_sa, &salen); | |
if (c->cli_sock == -1) { | |
LOGERR; | |
continue; | |
} else | |
c->cli_parent = srv; | |
| |
if (pthread_create(&c->cli_tid, NULL, rpc_srv_dispatchVars, c)) { | |
LOGERR; | |
continue; | |
} | |
} |
} |
|
|
srv->srv_blob.state = disable; | /* main rpc loop */ |
| schedRun(srv->srv_blob.root, &srv->srv_blob.kill); |
return 0; |
return 0; |
} |
} |
|
|
|
|
/* |
/* |
* rpc_srv_initServer() Init & create RPC Server | * rpc_srv_initServer() - Init & create RPC Server |
| * |
* @regProgID = ProgramID for authentication & recognition |
* @regProgID = ProgramID for authentication & recognition |
* @regProcID = ProcessID for authentication & recognition |
* @regProcID = ProcessID for authentication & recognition |
* @concurentClients = Concurent clients at same time to this server |
* @concurentClients = Concurent clients at same time to this server |
* @family = Family socket type, AF_INET or AF_INET6 | * @netBuf = Network buffer length (min:512 bytes), if =0 == BUFSIZ (also meaning max RPC packet) |
* @csHost = Host name or IP address for bind server, if NULL any address | * @csHost = Host name or address for bind server, if NULL any address |
* @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 bind and created RPC server instance |
* return: NULL == error or !=NULL bind and created RPC server instance |
*/ |
*/ |
rpc_srv_t * |
rpc_srv_t * |
rpc_srv_initServer(u_int regProgID, u_int regProcID, int concurentClients, | rpc_srv_initServer(u_int regProgID, u_char regProcID, int concurentClients, |
u_short family, const char *csHost, u_short Port) | int netBuf, const char *csHost, u_short Port) |
{ |
{ |
rpc_srv_t *srv = NULL; |
|
int n = 1; |
int n = 1; |
struct hostent *host = NULL; | rpc_srv_t *srv = NULL; |
struct sockaddr_in sin; | io_sockaddr_t sa; |
struct sockaddr_in6 sin6; | |
|
|
if (!concurentClients || !regProgID || (family != AF_INET && family != AF_INET6)) { | if (!concurentClients || !regProgID) { |
rpc_SetErr(EINVAL, "Error:: Invalid parameters can`t init RPC server ...\n"); | rpc_SetErr(EINVAL, "Invalid parameters can`t init RPC server"); |
return NULL; |
return NULL; |
} |
} |
|
if (!io_gethostbyname(csHost, Port, &sa)) |
|
return NULL; |
if (!Port) |
if (!Port) |
Port = RPC_DEFPORT; |
Port = RPC_DEFPORT; |
if (csHost) { | if (netBuf < RPC_MIN_BUFSIZ) |
host = gethostbyname2(csHost, family); | netBuf = BUFSIZ; |
if (!host) { | else |
rpc_SetErr(h_errno, "Error:: %s\n", hstrerror(h_errno)); | netBuf = io_align(netBuf, 1); /* align netBuf length */ |
return NULL; | |
} | |
} | |
switch (family) { | |
case AF_INET: | |
memset(&sin, 0, sizeof sin); | |
sin.sin_len = sizeof sin; | |
sin.sin_family = family; | |
sin.sin_port = htons(Port); | |
if (csHost) | |
memcpy(&sin.sin_addr, host->h_addr, host->h_length); | |
break; | |
case AF_INET6: | |
memset(&sin6, 0, sizeof sin6); | |
sin6.sin6_len = sizeof sin6; | |
sin6.sin6_family = family; | |
sin6.sin6_port = htons(Port); | |
if (csHost) | |
memcpy(&sin6.sin6_addr, host->h_addr, host->h_length); | |
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)); |
srv = malloc(sizeof(rpc_srv_t)); |
if (!srv) { |
if (!srv) { |
LOGERR; |
LOGERR; |
Line 563 rpc_srv_initServer(u_int regProgID, u_int regProcID, i
|
Line 716 rpc_srv_initServer(u_int regProgID, u_int regProcID, i
|
} else |
} else |
memset(srv, 0, sizeof(rpc_srv_t)); |
memset(srv, 0, sizeof(rpc_srv_t)); |
|
|
srv->srv_numcli = concurentClients; | srv->srv_netbuf = netBuf; |
srv->srv_session.sess_version = RPC_VERSION; |
srv->srv_session.sess_version = RPC_VERSION; |
srv->srv_session.sess_program = regProgID; |
srv->srv_session.sess_program = regProgID; |
srv->srv_session.sess_process = regProcID; |
srv->srv_session.sess_process = regProcID; |
|
|
srv->srv_server.cli_tid = pthread_self(); |
|
srv->srv_server.cli_parent = srv; |
srv->srv_server.cli_parent = srv; |
if (family == AF_INET) | memcpy(&srv->srv_server.cli_sa, &sa, sizeof srv->srv_server.cli_sa); |
memcpy(&srv->srv_server.cli_sa, &sin, sizeof srv->srv_server.cli_sa); | |
else | /* init functions list */ |
memcpy(&srv->srv_server.cli_sa, &sin6, sizeof srv->srv_server.cli_sa); | TAILQ_INIT(&srv->srv_funcs); |
srv->srv_server.cli_sock = socket(family, SOCK_STREAM, 0); | |
if (srv->srv_server.cli_sock == -1) { | /* init scheduler */ |
LOGERR; | srv->srv_root = schedBegin(); |
| if (!srv->srv_root) { |
| rpc_SetErr(sched_GetErrno(), "%s", sched_GetError()); |
free(srv); |
free(srv); |
return NULL; |
return NULL; |
} |
} |
if (setsockopt(srv->srv_server.cli_sock, SOL_SOCKET, SO_REUSEADDR, &n, sizeof n) == -1) { | |
LOGERR; | /* init pool for clients */ |
close(srv->srv_server.cli_sock); | srv->srv_clients = io_arrayInit(concurentClients); |
| if (!srv->srv_clients) { |
| rpc_SetErr(io_GetErrno(), "%s", io_GetError()); |
| schedEnd(&srv->srv_root); |
free(srv); |
free(srv); |
return NULL; |
return NULL; |
} |
} |
if (bind(srv->srv_server.cli_sock, &srv->srv_server.cli_sa, sizeof srv->srv_server.cli_sa) == -1) { | |
| /* create server socket */ |
| 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; |
LOGERR; |
close(srv->srv_server.cli_sock); | io_arrayDestroy(&srv->srv_clients); |
| schedEnd(&srv->srv_root); |
free(srv); |
free(srv); |
return NULL; |
return NULL; |
} |
} |
| if (setsockopt(srv->srv_server.cli_sock, SOL_SOCKET, SO_REUSEADDR, &n, sizeof n) == -1) { |
srv->srv_clients = calloc(srv->srv_numcli, sizeof(rpc_cli_t)); | |
if (!srv->srv_clients) { | |
LOGERR; |
LOGERR; |
close(srv->srv_server.cli_sock); | goto err; |
free(srv); | } |
return NULL; | n = srv->srv_netbuf; |
} else | if (setsockopt(srv->srv_server.cli_sock, SOL_SOCKET, SO_SNDBUF, &n, sizeof n) == -1) { |
memset(srv->srv_clients, 0, srv->srv_numcli * sizeof(rpc_cli_t)); | LOGERR; |
| goto err; |
| } |
| if (setsockopt(srv->srv_server.cli_sock, SOL_SOCKET, SO_RCVBUF, &n, sizeof n) == -1) { |
| LOGERR; |
| 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; |
| goto err; |
| } |
|
|
pthread_mutex_init(&srv->srv_mtx, NULL); | rpc_register_srvPing(srv); |
|
|
rpc_srv_registerCall(srv, NULL, CALL_SRVSHUTDOWN, 0); |
|
rpc_srv_registerCall(srv, NULL, CALL_SRVCLIENTS, 0); |
|
rpc_srv_registerCall(srv, NULL, CALL_SRVCALLS, 0); |
|
rpc_srv_registerCall(srv, NULL, CALL_SRVSESSIONS, 0); |
|
return srv; |
return srv; |
|
err: /* error condition */ |
|
close(srv->srv_server.cli_sock); |
|
io_arrayDestroy(&srv->srv_clients); |
|
schedEnd(&srv->srv_root); |
|
free(srv); |
|
return NULL; |
} |
} |
|
|
/* |
/* |
* rpc_srv_endServer() Destroy RPC server, close all opened sockets and free resources | * rpc_srv_endServer() - Destroy RPC server, close all opened sockets and free resources |
* @srv = RPC Server instance | * |
| * @psrv = RPC Server instance |
* return: none |
* return: none |
*/ |
*/ |
void |
void |
rpc_srv_endServer(rpc_srv_t * __restrict srv) | rpc_srv_endServer(rpc_srv_t ** __restrict psrv) |
{ |
{ |
rpc_cli_t *c; |
rpc_cli_t *c; |
register int i; |
register int i; |
rpc_func_t *f; | rpc_func_t *f, *tmp; |
|
|
if (!srv) { | if (!psrv || !*psrv) |
rpc_SetErr(EINVAL, "Error:: Can`t destroy server because parameter is null!\n"); | |
return; |
return; |
} |
|
|
|
rpc_srv_endBLOBServer(srv); | if (!(*psrv)->srv_blob.kill) |
| rpc_srv_endBLOBServer(*psrv); |
|
|
for (i = 0, c = srv->srv_clients; i < srv->srv_numcli && c; i++, c++) | /* close all clients connections & server socket */ |
if (c->cli_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); |
shutdown(c->cli_sock, SHUT_RDWR); |
close(srv->srv_server.cli_sock); | close(c->cli_sock); |
|
|
if (srv->srv_clients) { | schedCancelby((*psrv)->srv_root, taskMAX, CRITERIA_ARG, c, NULL); |
free(srv->srv_clients); | AIT_FREE_VAL(&c->cli_buf); |
srv->srv_clients = NULL; | } |
srv->srv_numcli = 0; | io_arrayDel((*psrv)->srv_clients, i, 42); |
} |
} |
|
io_arrayDestroy(&(*psrv)->srv_clients); |
|
|
pthread_mutex_lock(&srv->srv_mtx); | close((*psrv)->srv_server.cli_sock); |
while ((f = srv->srv_funcs)) { | |
srv->srv_funcs = f->func_next; | /* detach exported calls */ |
| 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); |
free(f); |
free(f); |
} |
} |
pthread_mutex_unlock(&srv->srv_mtx); |
|
|
|
while (pthread_mutex_trylock(&srv->srv_mtx) == EBUSY); | schedEnd(&(*psrv)->srv_root); |
pthread_mutex_destroy(&srv->srv_mtx); | free(*psrv); |
| *psrv = NULL; |
free(srv); | |
srv = NULL; | |
} |
} |
|
|
/* |
/* |
* rpc_srv_execServer() Execute Main server loop and wait for clients requests | * rpc_srv_loopServer() - Execute Main server loop and wait for clients requests |
| * |
* @srv = RPC Server instance |
* @srv = RPC Server instance |
* return: -1 error or 0 ok, infinite loop ... |
* return: -1 error or 0 ok, infinite loop ... |
*/ |
*/ |
int |
int |
rpc_srv_execServer(rpc_srv_t * __restrict srv) | rpc_srv_loopServer(rpc_srv_t * __restrict srv) |
{ |
{ |
socklen_t salen = sizeof(struct sockaddr); |
|
register int i; |
|
rpc_cli_t *c; |
|
fd_set fds; |
|
int ret; |
|
struct timeval tv = { DEF_RPC_TIMEOUT, 0 }; |
|
|
|
if (!srv) { |
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; |
return -1; |
} |
} |
|
|
if (listen(srv->srv_server.cli_sock, SOMAXCONN) == -1) { | 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, io_arraySize(srv->srv_clients)) == -1) { |
LOGERR; |
LOGERR; |
return -1; |
return -1; |
} |
} |
|
|
while (!rpc_Kill) { | if (!schedRead(srv->srv_root, acceptClients, srv, srv->srv_server.cli_sock, NULL, 0)) { |
for (c = srv->srv_clients, i = 0; i < srv->srv_numcli && c; i++, c++) | rpc_SetErr(sched_GetErrno(), "%s", sched_GetError()); |
if (!c->cli_sa.sa_family) | return -1; |
break; | |
if (i >= srv->srv_numcli) { | |
usleep(1000000); | |
continue; | |
} | |
| |
FD_ZERO(&fds); | |
FD_SET(srv->srv_server.cli_sock, &fds); | |
ret = select(srv->srv_server.cli_sock + 1, &fds, NULL, NULL, &tv); | |
if (ret == -1) { | |
LOGERR; | |
ret = 1; | |
break; | |
} | |
if (!ret) | |
continue; | |
| |
c->cli_sock = accept(srv->srv_server.cli_sock, &c->cli_sa, &salen); | |
if (c->cli_sock == -1) { | |
LOGERR; | |
continue; | |
} else | |
c->cli_parent = srv; | |
| |
if (pthread_create(&c->cli_tid, NULL, rpc_srv_dispatchCall, c)) { | |
LOGERR; | |
continue; | |
} | |
} |
} |
|
|
|
/* main rpc loop */ |
|
schedRun(srv->srv_root, &srv->srv_kill); |
return 0; |
return 0; |
} |
} |
|
|
// --------------------------------------------------------- |
|
|
|
/* |
/* |
* rpc_srv_execCall() Execute registered call from RPC server |
* rpc_srv_execCall() Execute registered call from RPC server |
|
* |
* @call = Register RPC call |
* @call = Register RPC call |
* @rpc = IN RPC call structure |
* @rpc = IN RPC call structure |
* @args = IN RPC call array of rpc values | * @args = IN RPC calling arguments from RPC client |
* return: -1 error, !=-1 ok |
* return: -1 error, !=-1 ok |
*/ |
*/ |
int |
int |
rpc_srv_execCall(rpc_func_t * __restrict call, struct tagRPCCall * __restrict rpc, |
rpc_srv_execCall(rpc_func_t * __restrict call, struct tagRPCCall * __restrict rpc, |
rpc_val_t * __restrict args) | array_t * __restrict args) |
{ |
{ |
void *dl; |
|
rpc_callback_t func; |
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, "Error:: Invalid parameter can`t exec call from RPC server ...\n"); | rpc_SetErr(EINVAL, "Invalid parameter can`t exec function"); |
return -1; |
return -1; |
} |
} |
|
|
dl = dlopen((char*) (*call->func_file ? call->func_file : NULL), RTLD_NOW); | func = AIT_GET_LIKE(&call->func_name, rpc_callback_t); |
if (!dl) { | return func(call, rpc, args); |
rpc_SetErr(ENOENT, "Error:: Can`t attach module %s!\n", dlerror()); | |
return -1; | |
} | |
| |
func = dlsym(dl, (char*) call->func_name); | |
if (func) | |
ret = func(call, rpc->call_argc, args); | |
else { | |
rpc_SetErr(ENOEXEC, "Error:: Can`t find function %s!\n", dlerror()); | |
ret = -1; | |
} | |
| |
dlclose(dl); | |
return ret; | |
} |
} |