version 1.5.2.1, 2011/09/07 08:56:32
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version 1.10.2.3, 2012/07/22 19:28:44
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Line 12 terms:
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Line 12 terms:
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All of the documentation and software included in the ELWIX and AITNET |
All of the documentation and software included in the ELWIX and AITNET |
Releases is copyrighted by ELWIX - Sofia/Bulgaria <info@elwix.org> |
Releases is copyrighted by ELWIX - Sofia/Bulgaria <info@elwix.org> |
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Copyright 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 | Copyright 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012 |
by Michael Pounov <misho@elwix.org>. All rights reserved. |
by Michael Pounov <misho@elwix.org>. All rights reserved. |
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Redistribution and use in source and binary forms, with or without |
Redistribution and use in source and binary forms, with or without |
Line 47 SUCH DAMAGE.
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Line 47 SUCH DAMAGE.
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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; |
| |
| 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, 0); |
| if (c) |
| io_free(c); |
| 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; |
rpc_func_t *f = NULL; |
array_t *arr; | u_char buf[USHRT_MAX] = { 0 }; |
struct tagRPCCall *rpc; | struct tagRPCCall *rpc = (struct tagRPCCall*) buf; |
struct tagRPCRet *rrpc; | int ret, wlen = sizeof(struct tagRPCCall); |
rpc_sess_t ses = { 0 }; | |
fd_set fds; | |
u_char *buf; | |
int ret, argc = 0, Limit = 0; | |
register int i; | |
|
|
if (!arg) { | /* copy RPC header */ |
rpc_SetErr(EINVAL, "Error:: Invalid parameter can`t procced RPC client ...\n"); | memcpy(buf, TASK_DATA(task), wlen); |
return NULL; | |
| 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(RPC_RETVARS(c))); |
| /* Go Encapsulate variables */ |
| ret = io_vars2buffer(buf + wlen, sizeof buf - wlen, RPC_RETVARS(c)); |
| /* Free return values */ |
| io_freeVars(&c->cli_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 |
} else |
s = c->cli_parent; | arr = NULL; |
|
|
buf = malloc(s->srv_netbuf); | if (!(f = rpc_srv_getCall(s, ntohs(rpc->call_tag)))) { |
if (!buf) { | rpc_SetErr(EPROGUNAVAIL, "Function not found at RPC server"); |
LOGERR; | 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_CHK_NOREPLY(rpc); |
| rpc->call_rep.ret = RPC_ERROR(rpc_srv_execCall(c, rpc, f->func_name, 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_freeVars(&c->cli_vars); |
| rpc->call_argc ^= rpc->call_argc; |
| } else { |
| /* reply */ |
| rpc->call_argc = htons(io_arraySize(RPC_RETVARS(c))); |
| } |
| } |
| } |
| |
| 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; |
| |
| memset(buf, 0, AIT_LEN(&c->cli_buf)); |
| 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 { |
|
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) { | |
if (errno == EINTR && s->srv_kill != kill) | |
continue; | |
|
|
LOGERR; | /* reminder received previous bytes ;) */ |
ret = -2; | schedRead(TASK_ROOT(task), TASK_FUNC(task), TASK_ARG(task), |
| TASK_FD(task), TASK_DATA(task), rlen); |
| return NULL; |
| } else |
| rpc = (struct tagRPCCall*) (buf + off); |
| |
| 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; |
} |
} |
memset(buf, 0, s->srv_netbuf); | |
ret = recv(c->cli_sock, buf, s->srv_netbuf, 0); | /* check integrity of packet */ |
if (ret == -1) { | crc = ntohs(rpc->call_crc); |
LOGERR; | rpc->call_crc ^= rpc->call_crc; |
ret = -3; | if (crc != crcFletcher16((u_short*) rpc, len / 2)) { |
break; | rpc_SetErr(ERPCMISMATCH, "Bad CRC RPC packet"); |
| |
| off += len; |
| /* try next packet remaining into buffer */ |
| continue; |
} |
} |
if (!ret) { /* receive EOF */ | |
ret = 0; | noreply = RPC_CHK_NOREPLY(rpc); |
break; | |
} | |
if (ret < sizeof(struct tagRPCCall)) { | |
rpc_SetErr(ERPCMISMATCH, "Error:: too short RPC packet ...\n"); | |
ret = -4; | |
break; | |
} else | |
rpc = (struct tagRPCCall*) buf; | |
/* check RPC packet session info */ |
/* check RPC packet session info */ |
if (rpc_chkPktSession(&rpc->call_session, &s->srv_session)) { |
if (rpc_chkPktSession(&rpc->call_session, &s->srv_session)) { |
rpc_SetErr(ERPCMISMATCH, "Error:: get invalid RPC session ...\n"); | rpc_SetErr(ERPCMISMATCH, "Get invalid RPC session"); |
ret = -5; | rpc->call_argc ^= rpc->call_argc; |
goto makeReply; | rpc->call_rep.ret = RPC_ERROR(-1); |
} else | rpc->call_rep.eno = RPC_ERROR(errno); |
Limit = sizeof(struct tagRPCCall); | } else { |
| /* execute RPC call */ |
| schedEvent(TASK_ROOT(task), execCall, TASK_ARG(task), off, NULL, 0); |
| } |
|
|
/* RPC is OK! Go decapsulate variables ... */ | /* send RPC reply */ |
if (rpc->call_argc) { | if (!noreply) |
arr = io_buffer2vals(buf + Limit, s->srv_netbuf - Limit, rpc->call_argc, 1); | schedWrite(TASK_ROOT(task), txPacket, TASK_ARG(task), TASK_FD(task), rpc, len); |
if (!arr) { | |
ret = -5; | |
goto makeReply; | |
} | |
} else | |
arr = NULL; | |
|
|
/* execute call */ | off += len; |
argc = 0; | } while (rlen > 0); |
memcpy(&ses, &rpc->call_session, sizeof ses); | |
if (!(f = rpc_srv_getCall(s, rpc->call_tag, rpc->call_hash))) { | |
rpc_SetErr(EPROGUNAVAIL, "Error:: call not found into RPC server ...\n"); | |
ret = -6; | |
} else | |
if ((ret = rpc_srv_execCall(f, rpc, arr)) == -1) | |
ret = -9; | |
else { | |
if (arr) | |
io_arrayDestroy(&arr); | |
argc = rpc_srv_getVars(f, &arr); | |
goto makeReply; /* Call finish OK */ | |
} | |
|
|
if (arr) | /* lets get next packet */ |
io_arrayDestroy(&arr); | schedRead(TASK_ROOT(task), TASK_FUNC(task), TASK_ARG(task), TASK_FD(task), TASK_DATA(task), 0); |
| return NULL; |
| } |
|
|
makeReply: | static void * |
/* Made reply */ | acceptClients(sched_task_t *task) |
memset(buf, 0, s->srv_netbuf); | { |
rrpc = (struct tagRPCRet*) buf; | rpc_srv_t *srv = TASK_ARG(task); |
Limit = sizeof(struct tagRPCRet); | rpc_cli_t *c = NULL; |
| register int i; |
| socklen_t salen = sizeof(io_sockaddr_t); |
|
|
memcpy(&rrpc->ret_session, &ses, sizeof(rpc_sess_t)); | /* check free slots for connect */ |
rrpc->ret_tag = rpc->call_tag; | for (i = 0; i < io_arraySize(srv->srv_clients) && |
rrpc->ret_hash = rpc->call_hash; | (c = io_array(srv->srv_clients, i, rpc_cli_t*)); i++); |
rrpc->ret_errno = rpc_Errno; | if (c) /* no more free slots! */ |
rrpc->ret_retcode = ret; | goto end; |
rrpc->ret_argc = argc; | c = io_malloc(sizeof(rpc_cli_t)); |
| if (!c) { |
| LOGERR; |
| srv->srv_kill = 1; |
| return NULL; |
| } else { |
| memset(c, 0, sizeof(rpc_cli_t)); |
| io_arraySet(srv->srv_clients, i, c); |
| c->cli_id = i; |
| c->cli_parent = srv; |
| } |
|
|
if (argc && arr) { | /* alloc empty buffer */ |
/* Go Encapsulate variables ... */ | AIT_SET_BUF2(&c->cli_buf, 0, srv->srv_netbuf); |
if ((i = io_vals2buffer(buf + Limit, s->srv_netbuf - Limit, arr)) == -1) { | |
rpc_srv_freeVals(f); | |
argc = 0; | |
ret = -7; | |
rpc_SetErr(EBADRPC, "Error:: in prepare RPC packet values (-7) ...\n"); | |
goto makeReply; | |
} else { | |
Limit += i; | |
|
|
rpc_srv_freeVals(f); | /* 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_clients, i, 42); |
| goto end; |
| } else |
| fcntl(c->cli_sock, F_SETFL, fcntl(c->cli_sock, F_GETFL) | O_NONBLOCK); |
|
|
ret = send(c->cli_sock, buf, Limit, 0); | schedRead(TASK_ROOT(task), rxPacket, c, c->cli_sock, NULL, 0); |
if (ret == -1) { | end: |
LOGERR; | schedReadSelf(task); |
ret = -8; | return NULL; |
break; | } |
} | |
if (ret != Limit) { | |
rpc_SetErr(EPROCUNAVAIL, "Error:: in send RPC request, should be send %d bytes, " | |
"really is %d\n", Limit, ret); | |
ret = -9; | |
break; | |
} | |
} while (ret > -1 || s->srv_kill != kill); | |
|
|
shutdown(c->cli_sock, SHUT_RDWR); | /* ------------------------------------------------------ */ |
| |
| 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)); | |
free(buf); | /* free buffer */ |
return (void*) (long)ret; | AIT_FREE_VAL(&c->cli_buf); |
| |
| io_arrayDel(s->srv_blob.clients, c->cli_id, 0); |
| if (c) |
| io_free(c); |
| 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 = 0; | 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 && s->srv_kill != kill) { | rpc_SetErr(ERPCMISMATCH, "Short BLOB packet"); |
usleep(100000); | |
#ifdef HAVE_PTHREAD_YIELD | |
pthread_yield(); | |
#endif | |
continue; | |
} | |
|
|
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) { | |
if (errno == EINTR && s->srv_kill != kill && s->srv_blob.state != kill) | |
continue; | |
|
|
LOGERR; | /* check integrity of packet */ |
ret = -2; | crc = ntohs(blob.hdr_crc); |
break; | blob.hdr_crc ^= blob.hdr_crc; |
} | if (crc != crcFletcher16((u_short*) &blob, rlen / 2)) { |
| rpc_SetErr(ERPCMISMATCH, "Bad CRC BLOB packet"); |
|
|
memset(buf, 0, sizeof buf); | schedReadSelf(task); |
ret = recv(c->cli_sock, buf, sizeof buf, 0); | return NULL; |
if (ret == -1) { | } |
LOGERR; | |
ret = -3; | |
break; | |
} | |
/* receive EOF, disable or kill service */ | |
if (!ret || s->srv_blob.state == kill || s->srv_kill == kill) { | |
ret = 0; | |
break; | |
} | |
if (ret < sizeof(struct tagBLOBHdr)) { | |
rpc_SetErr(ERPCMISMATCH, "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) { | /* check RPC packet session info */ |
ret = rpc_srv_sendBLOB(c, b); | if ((crc = rpc_chkPktSession(&blob.hdr_session, &s->srv_session))) { |
rpc_srv_blobUnmap(b); | rpc_SetErr(ERPCMISMATCH, "Get invalid RPC session"); |
} else | blob.hdr_cmd = error; |
ret = -7; | goto end; |
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); | /* Go to proceed packet ... */ |
rpc_srv_blobUnmap(b); | switch (blob.hdr_cmd) { |
} else | case get: |
ret = -7; | 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(EPROCUNAVAIL, "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); |
ret = send(c->cli_sock, buf, sizeof buf, 0); | } else { |
if (ret == -1) { | blob.hdr_cmd = error; |
LOGERR; | blob.hdr_ret = RPC_ERROR(-1); |
ret = -8; | } |
break; |
break; |
} | case set: |
if (ret != sizeof buf) { | if ((b = rpc_srv_registerBLOB(s, ntohl(blob.hdr_len)))) { |
rpc_SetErr(EPROCUNAVAIL, "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 || s->srv_kill != kill); | if (rpc_srv_unregisterBLOB(s, ntohl(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*) ((long)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 = io_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 |
* @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 |
Line 327 int
|
Line 497 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 sa; |
|
struct sockaddr_in *sin = (struct sockaddr_in*) &sa; |
|
struct sockaddr_in6 *sin6 = (struct sockaddr_in6*) &sa; |
|
struct sockaddr_un *sun = (struct sockaddr_un*) &sa; |
|
|
|
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; |
|
|
memcpy(&sa, &srv->srv_server.cli_sa, sizeof sa); | memcpy(&srv->srv_blob.server.cli_sa, &srv->srv_server.cli_sa, sizeof(io_sockaddr_t)); |
switch (srv->srv_server.cli_sa.sa_family) { | switch (srv->srv_blob.server.cli_sa.sa.sa_family) { |
case AF_INET: |
case AF_INET: |
sin->sin_port = htons(Port); | srv->srv_blob.server.cli_sa.sin.sin_port = |
memcpy(&srv->srv_blob.server.cli_sa, sin, sizeof(struct sockaddr)); | htons(Port ? Port : ntohs(srv->srv_blob.server.cli_sa.sin.sin_port) + 1); |
break; |
break; |
case AF_INET6: |
case AF_INET6: |
sin6->sin6_port = htons(Port); | srv->srv_blob.server.cli_sa.sin6.sin6_port = |
memcpy(&srv->srv_blob.server.cli_sa, sin6, sizeof(struct sockaddr)); | htons(Port ? Port : ntohs(srv->srv_blob.server.cli_sa.sin6.sin6_port) + 1); |
break; |
break; |
case AF_LOCAL: |
case AF_LOCAL: |
strlcat(sun->sun_path, ".blob", sizeof sun->sun_path); | strlcat(srv->srv_blob.server.cli_sa.sun.sun_path, ".blob", |
memcpy(&srv->srv_blob.server.cli_sa, sun, sizeof(struct sockaddr)); | sizeof srv->srv_blob.server.cli_sa.sun.sun_path); |
break; |
break; |
default: |
default: |
|
AIT_FREE_VAL(&srv->srv_blob.dir); |
return -1; |
return -1; |
} |
} |
|
|
/* create BLOB server socket */ |
/* create BLOB server socket */ |
srv->srv_blob.server.cli_sock = socket(srv->srv_server.cli_sa.sa_family, SOCK_STREAM, 0); | 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; |
} |
} |
n = srv->srv_netbuf; |
n = srv->srv_netbuf; |
if (setsockopt(srv->srv_blob.server.cli_sock, SOL_SOCKET, SO_SNDBUF, &n, sizeof n) == -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) { |
if (setsockopt(srv->srv_blob.server.cli_sock, SOL_SOCKET, SO_RCVBUF, &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, | if (bind(srv->srv_blob.server.cli_sock, &srv->srv_blob.server.cli_sa.sa, |
sizeof srv->srv_blob.server.cli_sa) == -1) { | srv->srv_blob.server.cli_sa.sa.sa_len) == -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; |
} |
} |
|
|
/* allocate pool for concurent clients */ | /* allocate pool for concurent blob clients */ |
srv->srv_blob.clients = calloc(srv->srv_numcli, sizeof(rpc_cli_t)); | 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; |
| } |
|
|
rpc_srv_registerCall(srv, NULL, CALL_BLOBSHUTDOWN, 0); |
|
rpc_srv_registerCall(srv, NULL, CALL_BLOBCLIENTS, 1); |
|
rpc_srv_registerCall(srv, NULL, CALL_BLOBVARS, 1); |
|
rpc_srv_registerCall(srv, NULL, CALL_BLOBSTATE, 0); |
|
|
|
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 |
*/ |
*/ |
void | inline void |
rpc_srv_endBLOBServer(rpc_srv_t * __restrict srv) |
rpc_srv_endBLOBServer(rpc_srv_t * __restrict srv) |
{ |
{ |
rpc_cli_t *c; | if (!srv) |
register int i; | |
rpc_blob_t *f; | |
| |
if (!srv) { | |
rpc_SetErr(EINVAL, "Error:: Can`t destroy server because parameter is null!\n"); | |
return; |
return; |
} else |
|
srv->srv_blob.state = kill; |
|
|
|
rpc_srv_unregisterCall(srv, NULL, CALL_BLOBSHUTDOWN); | srv->srv_blob.kill = 1; |
rpc_srv_unregisterCall(srv, NULL, CALL_BLOBCLIENTS); | |
rpc_srv_unregisterCall(srv, NULL, CALL_BLOBVARS); | |
rpc_srv_unregisterCall(srv, NULL, CALL_BLOBSTATE); | |
| |
/* close all clients connections & server socket */ | |
for (i = 0, c = srv->srv_blob.clients; i < srv->srv_numcli && c; i++, c++) | |
if (c->cli_sa.sa_family) | |
shutdown(c->cli_sock, SHUT_RDWR); | |
close(srv->srv_blob.server.cli_sock); | |
| |
pthread_mutex_lock(&srv->srv_blob.mtx); | |
if (srv->srv_blob.clients) { | |
free(srv->srv_blob.clients); | |
srv->srv_blob.clients = NULL; | |
} | |
| |
/* detach blobs */ | |
while ((f = srv->srv_blob.blobs)) { | |
srv->srv_blob.blobs = f->blob_next; | |
rpc_srv_blobFree(srv, f); | |
free(f); | |
} | |
pthread_mutex_unlock(&srv->srv_blob.mtx); | |
| |
while (pthread_mutex_trylock(&srv->srv_blob.mtx) == EBUSY); | |
pthread_mutex_destroy(&srv->srv_blob.mtx); | |
} |
} |
|
|
/* |
/* |
* rpc_srv_loopBLOB() 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_loopBLOB(rpc_srv_t * __restrict srv) | rpc_srv_loopBLOBServer(rpc_srv_t * __restrict srv) |
{ |
{ |
socklen_t salen = sizeof(struct sockaddr); |
|
register int i; |
|
rpc_cli_t *c; |
rpc_cli_t *c; |
fd_set fds; | register int i; |
int ret; | rpc_blob_t *b, *tmp; |
struct timeval tv = { DEF_RPC_TIMEOUT, 0 }; | struct timespec ts = { RPC_SCHED_POLLING, 0 }; |
|
|
if (!srv || srv->srv_blob.state == kill) { | if (!srv || srv->srv_kill) { |
rpc_SetErr(EINVAL, "Error:: Invalid parameter can`t start BLOB server ...\n"); | rpc_SetErr(EINVAL, "Invalid parameter can`t start BLOB server"); |
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 (srv->srv_blob.state != kill && srv->srv_kill != 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) { | } |
#ifdef HAVE_PTHREAD_YIELD | |
pthread_yield(); | |
#else | |
usleep(1000000); | |
#endif | |
continue; | |
} | |
|
|
FD_ZERO(&fds); | schedPolling(srv->srv_blob.root, &ts, NULL); |
FD_SET(srv->srv_blob.server.cli_sock, &fds); | /* main rpc loop */ |
ret = select(srv->srv_blob.server.cli_sock + 1, &fds, NULL, NULL, &tv); | schedRun(srv->srv_blob.root, &srv->srv_blob.kill); |
if (ret == -1) { | |
LOGERR; | |
ret = 1; | |
break; | |
} | |
if (!ret) | |
continue; | |
|
|
c->cli_sock = accept(srv->srv_blob.server.cli_sock, &c->cli_sa, &salen); | /* close all clients connections & server socket */ |
if (c->cli_sock == -1) { | for (i = 0; i < io_arraySize(srv->srv_blob.clients); i++) { |
LOGERR; | c = io_array(srv->srv_blob.clients, i, rpc_cli_t*); |
continue; | if (c) { |
} else | shutdown(c->cli_sock, SHUT_RDWR); |
c->cli_parent = srv; | close(c->cli_sock); |
|
|
if (pthread_create(&c->cli_tid, NULL, rpc_srv_dispatchVars, c)) { | schedCancelby(srv->srv_blob.root, taskMAX, CRITERIA_ARG, c, NULL); |
LOGERR; | AIT_FREE_VAL(&c->cli_buf); |
continue; | } |
} else | io_arrayDel(srv->srv_blob.clients, i, 42); |
pthread_detach(c->cli_tid); | |
} |
} |
|
io_arrayDestroy(&srv->srv_blob.clients); |
|
|
srv->srv_blob.state = kill; | close(srv->srv_blob.server.cli_sock); |
|
|
|
/* detach blobs */ |
|
TAILQ_FOREACH_SAFE(b, &srv->srv_blob.blobs, blob_node, tmp) { |
|
TAILQ_REMOVE(&srv->srv_blob.blobs, b, blob_node); |
|
|
|
rpc_srv_blobFree(srv, b); |
|
io_free(b); |
|
} |
|
|
|
schedEnd(&srv->srv_blob.root); |
|
AIT_FREE_VAL(&srv->srv_blob.dir); |
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 |
* @netBuf = Network buffer length, if =0 == BUFSIZ (also meaning max RPC packet) | * @netBuf = Network buffer length (min:512 bytes), if =0 == BUFSIZ (also meaning max RPC packet) |
* @family = Family type, AF_INET, AF_INET6 or AF_LOCAL | |
* @csHost = Host name or 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, |
int netBuf, 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 sa; | io_sockaddr_t sa = IO_SOCKADDR_INIT; |
struct sockaddr_in *sin = (struct sockaddr_in*) &sa; | |
struct sockaddr_in6 *sin6 = (struct sockaddr_in6*) &sa; | |
struct sockaddr_un *sun = (struct sockaddr_un*) &sa; | |
|
|
if (!concurentClients || !regProgID || | if (!concurentClients || !regProgID) { |
(family != AF_INET && family != AF_INET6 && family != AF_LOCAL)) { | rpc_SetErr(EINVAL, "Invalid parameters can`t init RPC server"); |
rpc_SetErr(EINVAL, "Error:: Invalid parameters can`t init RPC server ...\n"); | |
return NULL; |
return NULL; |
} |
} |
|
if (!io_gethostbyname(csHost, Port, &sa)) |
|
return NULL; |
if (!Port) |
if (!Port) |
Port = RPC_DEFPORT; |
Port = RPC_DEFPORT; |
if (!netBuf) | if (netBuf < RPC_MIN_BUFSIZ) |
netBuf = BUFSIZ; |
netBuf = BUFSIZ; |
if (csHost && family != AF_LOCAL) { | else |
host = gethostbyname2(csHost, family); | netBuf = io_align(netBuf, 1); /* align netBuf length */ |
if (!host) { | |
rpc_SetErr(h_errno, "Error:: %s\n", hstrerror(h_errno)); | |
return NULL; | |
} | |
} | |
memset(&sa, 0, sizeof sa); | |
sa.sa_family = family; | |
switch (family) { | |
case AF_INET: | |
sin->sin_len = sizeof(struct sockaddr_in); | |
sin->sin_port = htons(Port); | |
if (csHost) | |
memcpy(&sin->sin_addr, host->h_addr, host->h_length); | |
break; | |
case AF_INET6: | |
sin6->sin6_len = sizeof(struct sockaddr_in6); | |
sin6->sin6_port = htons(Port); | |
if (csHost) | |
memcpy(&sin6->sin6_addr, host->h_addr, host->h_length); | |
break; | |
case AF_LOCAL: | |
sun->sun_len = sizeof(struct sockaddr_un); | |
if (csHost) | |
strlcpy(sun->sun_path, csHost, sizeof sun->sun_path); | |
break; | |
default: | |
rpc_SetErr(EINVAL, "Error:: Invalid parameters can`t start RPC server ...\n"); | |
return NULL; | |
} | |
|
|
srv = malloc(sizeof(rpc_srv_t)); | #ifdef HAVE_SRANDOMDEV |
| srandomdev(); |
| #else |
| time_t tim; |
| |
| srandom((time(&tim) ^ getpid())); |
| #endif |
| |
| srv = io_malloc(sizeof(rpc_srv_t)); |
if (!srv) { |
if (!srv) { |
LOGERR; |
LOGERR; |
return NULL; |
return NULL; |
Line 608 rpc_srv_initServer(u_int regProgID, u_int regProcID, i
|
Line 720 rpc_srv_initServer(u_int regProgID, u_int regProcID, i
|
memset(srv, 0, sizeof(rpc_srv_t)); |
memset(srv, 0, sizeof(rpc_srv_t)); |
|
|
srv->srv_netbuf = netBuf; |
srv->srv_netbuf = netBuf; |
srv->srv_numcli = concurentClients; |
|
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; |
switch (family) { | memcpy(&srv->srv_server.cli_sa, &sa, sizeof srv->srv_server.cli_sa); |
case AF_INET: | |
memcpy(&srv->srv_server.cli_sa, sin, sizeof srv->srv_server.cli_sa); | /* init functions list */ |
break; | TAILQ_INIT(&srv->srv_funcs); |
case AF_INET6: | |
memcpy(&srv->srv_server.cli_sa, sin6, sizeof srv->srv_server.cli_sa); | /* init scheduler */ |
break; | srv->srv_root = schedBegin(); |
case AF_LOCAL: | if (!srv->srv_root) { |
memcpy(&srv->srv_server.cli_sa, sun, sizeof srv->srv_server.cli_sa); | rpc_SetErr(sched_GetErrno(), "%s", sched_GetError()); |
unlink(sun->sun_path); | io_free(srv); |
break; | return NULL; |
} |
} |
|
|
|
/* init pool for clients */ |
|
srv->srv_clients = io_arrayInit(concurentClients); |
|
if (!srv->srv_clients) { |
|
rpc_SetErr(io_GetErrno(), "%s", io_GetError()); |
|
schedEnd(&srv->srv_root); |
|
io_free(srv); |
|
return NULL; |
|
} |
|
|
/* create server socket */ |
/* create server socket */ |
srv->srv_server.cli_sock = socket(family, SOCK_STREAM, 0); | srv->srv_server.cli_sock = socket(srv->srv_server.cli_sa.sa.sa_family, SOCK_STREAM, 0); |
if (srv->srv_server.cli_sock == -1) { |
if (srv->srv_server.cli_sock == -1) { |
LOGERR; |
LOGERR; |
free(srv); | io_arrayDestroy(&srv->srv_clients); |
| schedEnd(&srv->srv_root); |
| io_free(srv); |
return NULL; |
return NULL; |
} |
} |
if (setsockopt(srv->srv_server.cli_sock, SOL_SOCKET, SO_REUSEADDR, &n, sizeof n) == -1) { |
if (setsockopt(srv->srv_server.cli_sock, SOL_SOCKET, SO_REUSEADDR, &n, sizeof n) == -1) { |
LOGERR; |
LOGERR; |
close(srv->srv_server.cli_sock); | goto err; |
free(srv); | |
return NULL; | |
} |
} |
n = srv->srv_netbuf; |
n = srv->srv_netbuf; |
if (setsockopt(srv->srv_server.cli_sock, SOL_SOCKET, SO_SNDBUF, &n, sizeof n) == -1) { |
if (setsockopt(srv->srv_server.cli_sock, SOL_SOCKET, SO_SNDBUF, &n, sizeof n) == -1) { |
LOGERR; |
LOGERR; |
close(srv->srv_server.cli_sock); | goto err; |
free(srv); | |
return NULL; | |
} |
} |
if (setsockopt(srv->srv_server.cli_sock, SOL_SOCKET, SO_RCVBUF, &n, sizeof n) == -1) { |
if (setsockopt(srv->srv_server.cli_sock, SOL_SOCKET, SO_RCVBUF, &n, sizeof n) == -1) { |
LOGERR; |
LOGERR; |
close(srv->srv_server.cli_sock); | goto err; |
free(srv); | |
return NULL; | |
} |
} |
if (bind(srv->srv_server.cli_sock, &srv->srv_server.cli_sa, sizeof srv->srv_server.cli_sa) == -1) { | if (bind(srv->srv_server.cli_sock, &srv->srv_server.cli_sa.sa, |
| srv->srv_server.cli_sa.sa.sa_len) == -1) { |
LOGERR; |
LOGERR; |
close(srv->srv_server.cli_sock); | goto err; |
free(srv); | |
return NULL; | |
} |
} |
|
|
/* allocate pool for concurent clients */ | rpc_register_srvPing(srv); |
srv->srv_clients = calloc(srv->srv_numcli, sizeof(rpc_cli_t)); | |
if (!srv->srv_clients) { | |
LOGERR; | |
close(srv->srv_server.cli_sock); | |
free(srv); | |
return NULL; | |
} else | |
memset(srv->srv_clients, 0, srv->srv_numcli * sizeof(rpc_cli_t)); | |
|
|
pthread_mutex_init(&srv->srv_mtx, NULL); |
|
|
|
rpc_srv_registerCall(srv, NULL, CALL_SRVSHUTDOWN, 0); |
|
rpc_srv_registerCall(srv, NULL, CALL_SRVCLIENTS, 1); |
|
rpc_srv_registerCall(srv, NULL, CALL_SRVSESSIONS, 4); |
|
rpc_srv_registerCall(srv, NULL, CALL_SRVCALLS, 1); |
|
return srv; |
return srv; |
|
err: /* error condition */ |
|
close(srv->srv_server.cli_sock); |
|
io_arrayDestroy(&srv->srv_clients); |
|
schedEnd(&srv->srv_root); |
|
io_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 | inline void |
rpc_srv_endServer(rpc_srv_t * __restrict srv) | rpc_srv_endServer(rpc_srv_t ** __restrict psrv) |
{ |
{ |
rpc_cli_t *c; | if (!psrv || !*psrv) |
register int i; | |
rpc_func_t *f; | |
| |
if (!srv) { | |
rpc_SetErr(EINVAL, "Error:: Can`t destroy server because parameter is null!\n"); | |
return; |
return; |
} |
|
|
|
rpc_srv_endBLOBServer(srv); | /* if send kill to blob server */ |
| if (!(*psrv)->srv_blob.kill) |
| rpc_srv_endBLOBServer(*psrv); |
|
|
/* close all clients connections & server socket */ | (*psrv)->srv_kill = 1; |
for (i = 0, c = srv->srv_clients; i < srv->srv_numcli && c; i++, c++) | sleep(RPC_SCHED_POLLING); |
if (c->cli_sa.sa_family) { | |
shutdown(c->cli_sock, SHUT_RDWR); | |
close(c->cli_sock); | |
} | |
close(srv->srv_server.cli_sock); | |
|
|
if (srv->srv_clients) { | io_free(*psrv); |
free(srv->srv_clients); | *psrv = NULL; |
srv->srv_clients = NULL; | |
srv->srv_numcli = 0; | |
} | |
| |
/* detach exported calls */ | |
pthread_mutex_lock(&srv->srv_mtx); | |
while ((f = srv->srv_funcs)) { | |
srv->srv_funcs = f->func_next; | |
free(f); | |
} | |
pthread_mutex_unlock(&srv->srv_mtx); | |
| |
while (pthread_mutex_trylock(&srv->srv_mtx) == EBUSY); | |
pthread_mutex_destroy(&srv->srv_mtx); | |
| |
free(srv); | |
srv = NULL; | |
} |
} |
|
|
/* |
/* |
* rpc_srv_loopServer() 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_loopServer(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; |
rpc_cli_t *c; |
fd_set fds; | register int i; |
int ret; | rpc_func_t *f, *tmp; |
struct timeval tv = { DEF_RPC_TIMEOUT, 0 }; | struct timespec ts = { RPC_SCHED_POLLING, 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; |
} |
} |
|
|
/* activate BLOB server worker if srv->srv_blob.state == enable */ | fcntl(srv->srv_server.cli_sock, F_SETFL, |
rpc_srv_execBLOBServer(srv); | fcntl(srv->srv_server.cli_sock, F_GETFL) | O_NONBLOCK); |
|
|
if (listen(srv->srv_server.cli_sock, SOMAXCONN) == -1) { | if (listen(srv->srv_server.cli_sock, io_arraySize(srv->srv_clients)) == -1) { |
LOGERR; |
LOGERR; |
return -1; |
return -1; |
} |
} |
|
|
while (srv->srv_kill != 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) { | |
#ifdef HAVE_PTHREAD_YIELD | |
pthread_yield(); | |
#else | |
usleep(1000000); | |
#endif | |
continue; | |
} | |
|
|
FD_ZERO(&fds); | schedPolling(srv->srv_root, &ts, NULL); |
FD_SET(srv->srv_server.cli_sock, &fds); | /* main rpc loop */ |
ret = select(srv->srv_server.cli_sock + 1, &fds, NULL, NULL, &tv); | schedRun(srv->srv_root, &srv->srv_kill); |
if (ret == -1) { | |
LOGERR; | /* close all clients connections & server socket */ |
ret = 1; | for (i = 0; i < io_arraySize(srv->srv_clients); i++) { |
break; | c = io_array(srv->srv_clients, i, rpc_cli_t*); |
| if (c) { |
| shutdown(c->cli_sock, SHUT_RDWR); |
| close(c->cli_sock); |
| |
| schedCancelby(srv->srv_root, taskMAX, CRITERIA_ARG, c, NULL); |
| io_freeVars(&RPC_RETVARS(c)); |
| AIT_FREE_VAL(&c->cli_buf); |
} |
} |
if (!ret) | io_arrayDel(srv->srv_clients, i, 42); |
continue; | } |
| io_arrayDestroy(&srv->srv_clients); |
|
|
c->cli_sock = accept(srv->srv_server.cli_sock, &c->cli_sa, &salen); | close(srv->srv_server.cli_sock); |
if (c->cli_sock == -1) { | |
LOGERR; | |
continue; | |
} else | |
c->cli_parent = srv; | |
|
|
if (pthread_create(&c->cli_tid, NULL, rpc_srv_dispatchCall, c)) { | /* detach exported calls */ |
LOGERR; | TAILQ_FOREACH_SAFE(f, &srv->srv_funcs, func_node, tmp) { |
continue; | TAILQ_REMOVE(&srv->srv_funcs, f, func_node); |
} else | |
pthread_detach(c->cli_tid); | AIT_FREE_VAL(&f->func_name); |
| io_free(f); |
} |
} |
|
|
|
schedEnd(&srv->srv_root); |
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 | * |
| * @cli = RPC client |
* @rpc = IN RPC call structure |
* @rpc = IN RPC call structure |
|
* @funcname = Execute RPC function |
* @args = IN RPC calling arguments from RPC client |
* @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_cli_t * __restrict cli, struct tagRPCCall * __restrict rpc, |
array_t * __restrict args) | ait_val_t funcname, array_t * __restrict args) |
{ |
{ |
void *dl; |
|
rpc_callback_t func; |
rpc_callback_t func; |
int ret; |
|
|
|
if (!call || !rpc || !call->func_parent) { | if (!cli || !rpc || !AIT_ADDR(&funcname)) { |
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(&funcname, rpc_callback_t); |
if (!dl) { | return func(cli, 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; | |
} |
} |