version 1.14.2.1, 2013/04/02 09:17:06
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version 1.21.2.5, 2013/11/15 09:05:19
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Line 67 static sched_task_func_t cbProto[SOCK_RAW + 1][4] = {
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Line 67 static sched_task_func_t cbProto[SOCK_RAW + 1][4] = {
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}; |
}; |
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inline void | void |
rpc_freeCli(rpc_cli_t * __restrict c) |
rpc_freeCli(rpc_cli_t * __restrict c) |
{ |
{ |
rpc_srv_t *s = c->cli_parent; |
rpc_srv_t *s = c->cli_parent; |
Line 161 txPacket(sched_task_t *task)
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Line 161 txPacket(sched_task_t *task)
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rpc_cli_t *c = TASK_ARG(task); |
rpc_cli_t *c = TASK_ARG(task); |
rpc_srv_t *s = c->cli_parent; |
rpc_srv_t *s = c->cli_parent; |
rpc_func_t *f = NULL; |
rpc_func_t *f = NULL; |
u_char buf[USHRT_MAX] = { 0 }; | u_char *buf = AIT_GET_BUF(&c->cli_buf); |
struct tagRPCCall *rpc = (struct tagRPCCall*) buf; |
struct tagRPCCall *rpc = (struct tagRPCCall*) buf; |
int ret, wlen = sizeof(struct tagRPCCall); | int ret, estlen, wlen = sizeof(struct tagRPCCall); |
| struct pollfd pfd; |
| #ifdef TCP_SESSION_TIMEOUT |
| struct timespec ts = { DEF_RPC_TIMEOUT, 0 }; |
|
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/* copy RPC header */ | schedCancelby(TASK_ROOT(task), taskTIMER, CRITERIA_DATA, TASK_ARG(task), NULL); |
memcpy(buf, TASK_DATA(task), wlen); | schedTimer(TASK_ROOT(task), cbProto[s->srv_proto][CB_CLOSECLIENT], |
| TASK_ARG(task), ts, TASK_ARG(task), 0); |
| #endif |
|
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if (rpc->call_argc) { |
if (rpc->call_argc) { |
f = rpc_srv_getCall(s, ntohs(rpc->call_tag)); |
f = rpc_srv_getCall(s, ntohs(rpc->call_tag)); |
if (!f) { |
if (!f) { |
rpc_SetErr(EPROGUNAVAIL, "Function not found at RPC server"); |
rpc_SetErr(EPROGUNAVAIL, "Function not found at RPC server"); |
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rpc->call_argc ^= rpc->call_argc; |
rpc->call_argc ^= rpc->call_argc; |
rpc->call_rep.ret = RPC_ERROR(-1); |
rpc->call_rep.ret = RPC_ERROR(-1); |
rpc->call_rep.eno = RPC_ERROR(rpc_Errno); |
rpc->call_rep.eno = RPC_ERROR(rpc_Errno); |
} else { |
} else { |
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/* calc estimated length */ |
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estlen = ait_resideVars(RPC_RETVARS(c)) + wlen; |
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if (estlen > AIT_LEN(&c->cli_buf)) |
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AIT_RE_BUF(&c->cli_buf, estlen); |
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buf = AIT_GET_BUF(&c->cli_buf); |
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rpc = (struct tagRPCCall*) buf; |
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rpc->call_argc = htons(array_Size(RPC_RETVARS(c))); |
rpc->call_argc = htons(array_Size(RPC_RETVARS(c))); |
/* Go Encapsulate variables */ |
/* Go Encapsulate variables */ |
ret = ait_vars2buffer(buf + wlen, sizeof buf - wlen, RPC_RETVARS(c)); | ret = ait_vars2buffer(buf + wlen, AIT_LEN(&c->cli_buf) - wlen, |
| RPC_RETVARS(c)); |
/* Free return values */ |
/* Free return values */ |
ait_freeVars(&c->cli_vars); |
ait_freeVars(&c->cli_vars); |
if (ret == -1) { |
if (ret == -1) { |
rpc_SetErr(EBADRPC, "Prepare RPC packet failed"); |
rpc_SetErr(EBADRPC, "Prepare RPC packet failed"); |
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rpc->call_argc ^= rpc->call_argc; |
rpc->call_argc ^= rpc->call_argc; |
rpc->call_rep.ret = RPC_ERROR(-1); |
rpc->call_rep.ret = RPC_ERROR(-1); |
rpc->call_rep.eno = RPC_ERROR(rpc_Errno); |
rpc->call_rep.eno = RPC_ERROR(rpc_Errno); |
Line 191 txPacket(sched_task_t *task)
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Line 206 txPacket(sched_task_t *task)
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} |
} |
} |
} |
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rpc->call_len = htons(wlen); | rpc->call_len = htonl(wlen); |
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#if 0 |
/* calculate CRC */ |
/* calculate CRC */ |
rpc->call_crc ^= rpc->call_crc; |
rpc->call_crc ^= rpc->call_crc; |
rpc->call_crc = htons(crcFletcher16((u_short*) buf, wlen / 2)); |
rpc->call_crc = htons(crcFletcher16((u_short*) buf, wlen / 2)); |
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#endif |
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/* send reply */ |
/* send reply */ |
ret = send(TASK_FD(task), buf, wlen, MSG_NOSIGNAL); | pfd.fd = TASK_FD(task); |
if (ret == -1 || ret != wlen) { | pfd.events = POLLOUT; |
/* close connection */ | for (; wlen > 0; wlen -= ret, buf += ret) { |
schedEvent(TASK_ROOT(task), cbProto[s->srv_proto][CB_CLOSECLIENT], | if ((ret = poll(&pfd, 1, DEF_RPC_TIMEOUT * 1000)) < 1 || |
TASK_ARG(task), 0, NULL, 0); | pfd.revents & (POLLERR | POLLHUP | POLLNVAL)) { |
| if (ret) |
| LOGERR; |
| else |
| rpc_SetErr(ETIMEDOUT, "Timeout reached! Server not respond"); |
| /* close connection */ |
| schedEvent(TASK_ROOT(task), cbProto[s->srv_proto][CB_CLOSECLIENT], |
| TASK_ARG(task), 0, NULL, 0); |
| return NULL; |
| } |
| ret = send(TASK_FD(task), buf, MIN(wlen, s->srv_netbuf), MSG_NOSIGNAL); |
| if (ret == -1) { |
| /* close connection */ |
| schedEvent(TASK_ROOT(task), cbProto[s->srv_proto][CB_CLOSECLIENT], |
| TASK_ARG(task), 0, NULL, 0); |
| return NULL; |
| } |
} |
} |
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return NULL; |
return NULL; |
Line 215 execCall(sched_task_t *task)
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Line 248 execCall(sched_task_t *task)
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rpc_srv_t *s = c->cli_parent; |
rpc_srv_t *s = c->cli_parent; |
rpc_func_t *f = NULL; |
rpc_func_t *f = NULL; |
array_t *arr = NULL; |
array_t *arr = NULL; |
u_char *buf = AIT_GET_BUF(&c->cli_buf) + TASK_VAL(task); | u_char *buf = AIT_GET_BUF(&c->cli_buf); |
struct tagRPCCall *rpc = (struct tagRPCCall*) buf; |
struct tagRPCCall *rpc = (struct tagRPCCall*) buf; |
int argc = ntohs(rpc->call_argc); |
int argc = ntohs(rpc->call_argc); |
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/* Go decapsulate variables ... */ |
/* Go decapsulate variables ... */ |
if (argc) { |
if (argc) { |
arr = ait_buffer2vars(buf + sizeof(struct tagRPCCall), |
arr = ait_buffer2vars(buf + sizeof(struct tagRPCCall), |
AIT_LEN(&c->cli_buf) - TASK_VAL(task) - sizeof(struct tagRPCCall), | AIT_LEN(&c->cli_buf) - sizeof(struct tagRPCCall), argc, 42); |
argc, 42); | |
if (!arr) { |
if (!arr) { |
rpc_SetErr(ERPCMISMATCH, "#%d - %s", elwix_GetErrno(), elwix_GetError()); |
rpc_SetErr(ERPCMISMATCH, "#%d - %s", elwix_GetErrno(), elwix_GetError()); |
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rpc->call_argc ^= rpc->call_argc; |
rpc->call_argc ^= rpc->call_argc; |
rpc->call_rep.ret = RPC_ERROR(-1); |
rpc->call_rep.ret = RPC_ERROR(-1); |
rpc->call_rep.eno = RPC_ERROR(rpc_Errno); |
rpc->call_rep.eno = RPC_ERROR(rpc_Errno); |
Line 236 execCall(sched_task_t *task)
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Line 269 execCall(sched_task_t *task)
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if (!(f = rpc_srv_getCall(s, ntohs(rpc->call_tag)))) { |
if (!(f = rpc_srv_getCall(s, ntohs(rpc->call_tag)))) { |
rpc_SetErr(EPROGUNAVAIL, "Function not found at RPC server"); |
rpc_SetErr(EPROGUNAVAIL, "Function not found at RPC server"); |
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rpc->call_argc ^= rpc->call_argc; |
rpc->call_argc ^= rpc->call_argc; |
rpc->call_rep.ret = RPC_ERROR(-1); |
rpc->call_rep.ret = RPC_ERROR(-1); |
rpc->call_rep.eno = RPC_ERROR(rpc_Errno); |
rpc->call_rep.eno = RPC_ERROR(rpc_Errno); |
Line 244 execCall(sched_task_t *task)
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Line 278 execCall(sched_task_t *task)
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argc = RPC_CHK_NOREPLY(rpc); |
argc = RPC_CHK_NOREPLY(rpc); |
rpc->call_rep.ret = RPC_ERROR(rpc_srv_execCall(c, rpc, f->func_name, arr)); |
rpc->call_rep.ret = RPC_ERROR(rpc_srv_execCall(c, rpc, f->func_name, arr)); |
if (rpc->call_rep.ret == htonl(-1)) { |
if (rpc->call_rep.ret == htonl(-1)) { |
rpc->call_rep.eno = RPC_ERROR(errno); | if (!rpc->call_rep.eno) { |
| LOGERR; |
| rpc->call_rep.eno = RPC_ERROR(rpc_Errno); |
| } |
rpc->call_argc ^= rpc->call_argc; |
rpc->call_argc ^= rpc->call_argc; |
} else { |
} else { |
rpc->call_rep.eno ^= rpc->call_rep.eno; |
rpc->call_rep.eno ^= rpc->call_rep.eno; |
Line 268 rxPacket(sched_task_t *task)
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Line 305 rxPacket(sched_task_t *task)
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{ |
{ |
rpc_cli_t *c = TASK_ARG(task); |
rpc_cli_t *c = TASK_ARG(task); |
rpc_srv_t *s = c->cli_parent; |
rpc_srv_t *s = c->cli_parent; |
int len, rlen, noreply; | int len, rlen, noreply, estlen; |
u_short crc, off = TASK_DATLEN(task); | #if 0 |
| u_short crc; |
| #endif |
u_char *buf = AIT_GET_BUF(&c->cli_buf); |
u_char *buf = AIT_GET_BUF(&c->cli_buf); |
struct tagRPCCall *rpc; | struct tagRPCCall *rpc = (struct tagRPCCall*) buf; |
| struct pollfd pfd; |
| #ifdef TCP_SESSION_TIMEOUT |
| struct timespec ts = { DEF_RPC_TIMEOUT, 0 }; |
|
|
if (!off) | schedCancelby(TASK_ROOT(task), taskTIMER, CRITERIA_DATA, TASK_ARG(task), NULL); |
memset(buf, 0, AIT_LEN(&c->cli_buf)); | schedTimer(TASK_ROOT(task), cbProto[s->srv_proto][CB_CLOSECLIENT], |
rlen = recv(TASK_FD(task), buf + off, AIT_LEN(&c->cli_buf) - off, 0); | TASK_ARG(task), ts, TASK_ARG(task), 0); |
if (rlen < 1) { | #endif |
| |
| memset(buf, 0, sizeof(struct tagRPCCall)); |
| rlen = recv(TASK_FD(task), rpc, sizeof(struct tagRPCCall), MSG_PEEK); |
| if (rlen < sizeof(struct tagRPCCall)) { |
/* close connection */ |
/* close connection */ |
schedEvent(TASK_ROOT(task), cbProto[s->srv_proto][CB_CLOSECLIENT], |
schedEvent(TASK_ROOT(task), cbProto[s->srv_proto][CB_CLOSECLIENT], |
TASK_ARG(task), 0, NULL, 0); |
TASK_ARG(task), 0, NULL, 0); |
return NULL; |
return NULL; |
} else { |
} else { |
rlen += off; /* add reminded bytes from previous rxPacket, if exists! */ | estlen = ntohl(rpc->call_len); |
off = 0; /* process buffer from start offset == 0 */ | if (estlen > AIT_LEN(&c->cli_buf)) |
| AIT_RE_BUF(&c->cli_buf, estlen); |
| rpc = (struct tagRPCCall*) AIT_GET_BUF(&c->cli_buf); |
| buf = AIT_GET_BUF(&c->cli_buf); |
| len = estlen; |
} |
} |
|
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do { | /* get next part of packet */ |
/* check RPC packet */ | memset(buf, 0, len); |
if (rlen < sizeof(struct tagRPCCall)) { | pfd.fd = TASK_FD(task); |
rpc_SetErr(ERPCMISMATCH, "Short RPC packet"); | pfd.events = POLLIN | POLLPRI; |
| for (; len > 0; len -= rlen, buf += rlen) { |
/* reminder received previous bytes ;) */ | if ((rlen = poll(&pfd, 1, DEF_RPC_TIMEOUT * 1000)) < 1 || |
schedRead(TASK_ROOT(task), TASK_FUNC(task), TASK_ARG(task), | pfd.revents & (POLLERR | POLLHUP | POLLNVAL)) { |
TASK_FD(task), TASK_DATA(task), rlen); | if (rlen) |
| LOGERR; |
| else |
| rpc_SetErr(ETIMEDOUT, "Timeout reached! Server not respond"); |
| schedEvent(TASK_ROOT(task), cbProto[s->srv_proto][CB_CLOSECLIENT], |
| TASK_ARG(task), 0, NULL, 0); |
return NULL; |
return NULL; |
} else |
|
rpc = (struct tagRPCCall*) (buf + off); |
|
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len = ntohs(rpc->call_len); |
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rlen -= len; |
|
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/* check RPC packet lengths */ |
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if (rlen < 0 || len < sizeof(struct tagRPCCall)) { |
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rpc_SetErr(ERPCMISMATCH, "Broken RPC packet length"); |
|
/* skip entire packet */ |
|
break; |
|
} |
} |
| rlen = recv(TASK_FD(task), buf, len, 0); |
/* check integrity of packet */ | if (rlen == -1) { |
crc = ntohs(rpc->call_crc); | /* close connection */ |
rpc->call_crc ^= rpc->call_crc; | schedEvent(TASK_ROOT(task), cbProto[s->srv_proto][CB_CLOSECLIENT], |
if (crc != crcFletcher16((u_short*) rpc, len / 2)) { | TASK_ARG(task), 0, NULL, 0); |
rpc_SetErr(ERPCMISMATCH, "Bad CRC RPC packet"); | return NULL; |
| |
off += len; | |
/* try next packet remaining into buffer */ | |
continue; | |
} |
} |
|
} |
|
len = estlen; |
|
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noreply = RPC_CHK_NOREPLY(rpc); | #if 0 |
| /* check integrity of packet */ |
| 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"); |
| return NULL; |
| } |
| #endif |
|
|
/* check RPC packet session info */ | noreply = RPC_CHK_NOREPLY(rpc); |
if (rpc_chkPktSession(&rpc->call_session, &s->srv_session)) { | |
rpc_SetErr(ERPCMISMATCH, "Get invalid RPC session"); | |
rpc->call_argc ^= rpc->call_argc; | |
rpc->call_rep.ret = RPC_ERROR(-1); | |
rpc->call_rep.eno = RPC_ERROR(errno); | |
} else { | |
/* execute RPC call */ | |
schedEvent(TASK_ROOT(task), execCall, TASK_ARG(task), off, NULL, 0); | |
} | |
|
|
/* send RPC reply */ | /* check RPC packet session info */ |
if (!noreply) | if (rpc_chkPktSession(&rpc->call_session, &s->srv_session)) { |
schedWrite(TASK_ROOT(task), cbProto[s->srv_proto][CB_TXPACKET], | rpc_SetErr(ERPCMISMATCH, "Get invalid RPC session"); |
TASK_ARG(task), TASK_FD(task), rpc, len); | |
|
|
off += len; | rpc->call_argc ^= rpc->call_argc; |
} while (rlen > 0); | rpc->call_rep.ret = RPC_ERROR(-1); |
| rpc->call_rep.eno = RPC_ERROR(errno); |
| } else { |
| /* execute RPC call */ |
| schedEvent(TASK_ROOT(task), execCall, TASK_ARG(task), (int) noreply, rpc, len); |
| } |
|
|
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/* send RPC reply */ |
|
if (!noreply) |
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schedWrite(TASK_ROOT(task), cbProto[s->srv_proto][CB_TXPACKET], |
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TASK_ARG(task), TASK_FD(task), rpc, len); |
|
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/* lets get next packet */ |
/* lets get next packet */ |
schedRead(TASK_ROOT(task), TASK_FUNC(task), TASK_ARG(task), TASK_FD(task), TASK_DATA(task), 0); | schedReadSelf(task); |
return NULL; |
return NULL; |
} |
} |
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Line 351 acceptClients(sched_task_t *task)
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Line 401 acceptClients(sched_task_t *task)
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rpc_srv_t *srv = TASK_ARG(task); |
rpc_srv_t *srv = TASK_ARG(task); |
rpc_cli_t *c = NULL; |
rpc_cli_t *c = NULL; |
socklen_t salen = sizeof(sockaddr_t); |
socklen_t salen = sizeof(sockaddr_t); |
|
int sock; |
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#ifdef TCP_SESSION_TIMEOUT |
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struct timespec ts = { DEF_RPC_TIMEOUT, 0 }; |
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#endif |
|
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c = _allocClient(srv, NULL); |
c = _allocClient(srv, NULL); |
if (!c) | if (!c) { |
| EVERBOSE(1, "RPC client quota exceeded! Connection will be shutdown!\n"); |
| if ((sock = accept(TASK_FD(task), NULL, NULL)) != -1) { |
| shutdown(sock, SHUT_RDWR); |
| close(sock); |
| } |
goto end; |
goto end; |
|
} |
|
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/* accept client */ |
/* accept client */ |
c->cli_sock = accept(TASK_FD(task), &c->cli_sa.sa, &salen); |
c->cli_sock = accept(TASK_FD(task), &c->cli_sa.sa, &salen); |
Line 366 acceptClients(sched_task_t *task)
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Line 426 acceptClients(sched_task_t *task)
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} else |
} else |
fcntl(c->cli_sock, F_SETFL, fcntl(c->cli_sock, F_GETFL) | O_NONBLOCK); |
fcntl(c->cli_sock, F_SETFL, fcntl(c->cli_sock, F_GETFL) | O_NONBLOCK); |
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#ifdef TCP_SESSION_TIMEOUT |
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/* armed timer for close stateless connection */ |
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schedCancelby(TASK_ROOT(task), taskTIMER, CRITERIA_DATA, c, NULL); |
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schedTimer(TASK_ROOT(task), cbProto[srv->srv_proto][CB_CLOSECLIENT], c, |
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ts, c, 0); |
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#endif |
schedRead(TASK_ROOT(task), cbProto[srv->srv_proto][CB_RXPACKET], c, |
schedRead(TASK_ROOT(task), cbProto[srv->srv_proto][CB_RXPACKET], c, |
c->cli_sock, NULL, 0); |
c->cli_sock, NULL, 0); |
end: |
end: |
Line 380 txUDPPacket(sched_task_t *task)
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Line 446 txUDPPacket(sched_task_t *task)
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rpc_cli_t *c = TASK_ARG(task); |
rpc_cli_t *c = TASK_ARG(task); |
rpc_srv_t *s = c->cli_parent; |
rpc_srv_t *s = c->cli_parent; |
rpc_func_t *f = NULL; |
rpc_func_t *f = NULL; |
u_char buf[USHRT_MAX] = { 0 }; | u_char *buf = AIT_GET_BUF(&c->cli_buf); |
struct tagRPCCall *rpc = (struct tagRPCCall*) buf; |
struct tagRPCCall *rpc = (struct tagRPCCall*) buf; |
int ret, wlen = sizeof(struct tagRPCCall); | int ret, estlen, wlen = sizeof(struct tagRPCCall); |
struct timespec ts = { DEF_RPC_TIMEOUT, 0 }; |
struct timespec ts = { DEF_RPC_TIMEOUT, 0 }; |
|
struct pollfd pfd; |
|
|
schedCancelby(TASK_ROOT(task), taskTIMER, CRITERIA_DATA, TASK_ARG(task), NULL); |
schedCancelby(TASK_ROOT(task), taskTIMER, CRITERIA_DATA, TASK_ARG(task), NULL); |
schedTimer(TASK_ROOT(task), cbProto[s->srv_proto][CB_CLOSECLIENT], |
schedTimer(TASK_ROOT(task), cbProto[s->srv_proto][CB_CLOSECLIENT], |
TASK_ARG(task), ts, TASK_ARG(task), 0); |
TASK_ARG(task), ts, TASK_ARG(task), 0); |
|
|
/* copy RPC header */ |
|
memcpy(buf, TASK_DATA(task), wlen); |
|
|
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if (rpc->call_argc) { |
if (rpc->call_argc) { |
f = rpc_srv_getCall(s, ntohs(rpc->call_tag)); |
f = rpc_srv_getCall(s, ntohs(rpc->call_tag)); |
if (!f) { |
if (!f) { |
Line 400 txUDPPacket(sched_task_t *task)
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Line 464 txUDPPacket(sched_task_t *task)
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rpc->call_rep.ret = RPC_ERROR(-1); |
rpc->call_rep.ret = RPC_ERROR(-1); |
rpc->call_rep.eno = RPC_ERROR(rpc_Errno); |
rpc->call_rep.eno = RPC_ERROR(rpc_Errno); |
} else { |
} else { |
|
/* calc estimated length */ |
|
estlen = ait_resideVars(RPC_RETVARS(c)) + wlen; |
|
if (estlen > AIT_LEN(&c->cli_buf)) |
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AIT_RE_BUF(&c->cli_buf, estlen); |
|
buf = AIT_GET_BUF(&c->cli_buf); |
|
rpc = (struct tagRPCCall*) buf; |
|
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rpc->call_argc = htons(array_Size(RPC_RETVARS(c))); |
rpc->call_argc = htons(array_Size(RPC_RETVARS(c))); |
/* Go Encapsulate variables */ |
/* Go Encapsulate variables */ |
ret = ait_vars2buffer(buf + wlen, sizeof buf - wlen, RPC_RETVARS(c)); | ret = ait_vars2buffer(buf + wlen, AIT_LEN(&c->cli_buf) - wlen, |
| RPC_RETVARS(c)); |
/* Free return values */ |
/* Free return values */ |
ait_freeVars(&c->cli_vars); |
ait_freeVars(&c->cli_vars); |
if (ret == -1) { |
if (ret == -1) { |
Line 415 txUDPPacket(sched_task_t *task)
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Line 487 txUDPPacket(sched_task_t *task)
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} |
} |
} |
} |
|
|
rpc->call_len = htons(wlen); | rpc->call_len = htonl(wlen); |
|
|
/* calculate CRC */ |
/* calculate CRC */ |
rpc->call_crc ^= rpc->call_crc; |
rpc->call_crc ^= rpc->call_crc; |
rpc->call_crc = htons(crcFletcher16((u_short*) buf, wlen / 2)); |
rpc->call_crc = htons(crcFletcher16((u_short*) buf, wlen / 2)); |
|
|
/* send reply */ |
/* send reply */ |
ret = sendto(TASK_FD(task), buf, wlen, MSG_NOSIGNAL, | pfd.fd = TASK_FD(task); |
&c->cli_sa.sa, c->cli_sa.sa.sa_len); | pfd.events = POLLOUT; |
if (ret == -1 || ret != wlen) { | for (; wlen > 0; wlen -= ret, buf += ret) { |
/* close connection */ | if ((ret = poll(&pfd, 1, DEF_RPC_TIMEOUT * 1000)) < 1 || |
schedEvent(TASK_ROOT(task), cbProto[s->srv_proto][CB_CLOSECLIENT], | pfd.revents & (POLLERR | POLLHUP | POLLNVAL)) { |
TASK_ARG(task), 0, NULL, 0); | if (ret) |
| LOGERR; |
| else |
| rpc_SetErr(ETIMEDOUT, "Timeout reached! Server not respond"); |
| /* close connection */ |
| schedEvent(TASK_ROOT(task), cbProto[s->srv_proto][CB_CLOSECLIENT], |
| TASK_ARG(task), 0, NULL, 0); |
| return NULL; |
| } |
| ret = sendto(TASK_FD(task), buf, MIN(wlen, s->srv_netbuf), MSG_NOSIGNAL, |
| &c->cli_sa.sa, c->cli_sa.sa.sa_len); |
| if (ret == -1) { |
| /* close connection */ |
| schedEvent(TASK_ROOT(task), cbProto[s->srv_proto][CB_CLOSECLIENT], |
| TASK_ARG(task), 0, NULL, 0); |
| return NULL; |
| } |
} |
} |
|
|
return NULL; |
return NULL; |
Line 438 rxUDPPacket(sched_task_t *task)
|
Line 526 rxUDPPacket(sched_task_t *task)
|
{ |
{ |
rpc_srv_t *srv = TASK_ARG(task); |
rpc_srv_t *srv = TASK_ARG(task); |
rpc_cli_t *c = NULL; |
rpc_cli_t *c = NULL; |
int len, rlen, noreply; | int len, rlen, noreply, estlen; |
u_short crc, off = 0; | u_short crc; |
u_char buf[USHRT_MAX + 1]; | u_char *buf, b[sizeof(struct tagRPCCall)]; |
struct tagRPCCall *rpc = (struct tagRPCCall*) buf; | struct tagRPCCall *rpc = (struct tagRPCCall*) b; |
sockaddr_t sa; |
sockaddr_t sa; |
socklen_t salen; |
socklen_t salen; |
struct timespec ts = { DEF_RPC_TIMEOUT, 0 }; |
struct timespec ts = { DEF_RPC_TIMEOUT, 0 }; |
|
struct pollfd pfd; |
|
|
/* receive connect packet */ |
/* receive connect packet */ |
salen = sa.ss.ss_len = sizeof(sockaddr_t); |
salen = sa.ss.ss_len = sizeof(sockaddr_t); |
rlen = recvfrom(TASK_FD(task), buf, sizeof buf, 0, &sa.sa, &salen); | rlen = recvfrom(TASK_FD(task), b, sizeof b, MSG_PEEK, &sa.sa, &salen); |
if (rlen < 1) | if (rlen < sizeof(struct tagRPCCall)) { |
| rpc_SetErr(ERPCMISMATCH, "Short RPC packet"); |
goto end; |
goto end; |
|
} |
|
|
c = _allocClient(srv, &sa); |
c = _allocClient(srv, &sa); |
if (!c) | if (!c) { |
| EVERBOSE(1, "RPC client quota exceeded! Connection will be shutdown!\n"); |
| usleep(2000); /* blocked client delay */ |
goto end; |
goto end; |
else { | } else { |
| estlen = ntohl(rpc->call_len); |
| if (estlen > AIT_LEN(&c->cli_buf)) |
| AIT_RE_BUF(&c->cli_buf, estlen); |
| rpc = (struct tagRPCCall*) AIT_GET_BUF(&c->cli_buf); |
| buf = AIT_GET_BUF(&c->cli_buf); |
| len = estlen; |
| |
c->cli_sock = TASK_FD(task); |
c->cli_sock = TASK_FD(task); |
memcpy(&c->cli_sa, &sa, sizeof c->cli_sa); |
memcpy(&c->cli_sa, &sa, sizeof c->cli_sa); |
memcpy(AIT_GET_BUF(&c->cli_buf), buf, AIT_LEN(&c->cli_buf)); | |
/* armed timer for close stateless connection */ |
/* armed timer for close stateless connection */ |
schedCancelby(TASK_ROOT(task), taskTIMER, CRITERIA_DATA, c, NULL); |
schedCancelby(TASK_ROOT(task), taskTIMER, CRITERIA_DATA, c, NULL); |
schedTimer(TASK_ROOT(task), cbProto[srv->srv_proto][CB_CLOSECLIENT], |
schedTimer(TASK_ROOT(task), cbProto[srv->srv_proto][CB_CLOSECLIENT], |
c, ts, c, 0); |
c, ts, c, 0); |
} |
} |
|
|
do { | /* get next part of packet */ |
/* check RPC packet */ | memset(buf, 0, len); |
if (rlen < sizeof(struct tagRPCCall)) { | pfd.fd = TASK_FD(task); |
rpc_SetErr(ERPCMISMATCH, "Short RPC packet"); | pfd.events = POLLIN | POLLPRI; |
break; | for (; len > 0; len -= rlen, buf += rlen) { |
} else | if ((rlen = poll(&pfd, 1, DEF_RPC_TIMEOUT * 1000)) < 1 || |
rpc = (struct tagRPCCall*) (AIT_GET_BUF(&c->cli_buf) + off); | pfd.revents & (POLLERR | POLLHUP | POLLNVAL)) { |
| if (rlen) |
len = ntohs(rpc->call_len); | LOGERR; |
rlen -= len; | else |
| rpc_SetErr(ETIMEDOUT, "Timeout reached! Server not respond"); |
/* check RPC packet lengths */ | schedEvent(TASK_ROOT(task), cbProto[srv->srv_proto][CB_CLOSECLIENT], |
if (rlen < 0 || len < sizeof(struct tagRPCCall)) { | c, 0, NULL, 0); |
rpc_SetErr(ERPCMISMATCH, "Broken RPC packet length"); | return NULL; |
/* skip entire packet */ | |
break; | |
} |
} |
| salen = sa.ss.ss_len = sizeof(sockaddr_t); |
/* check integrity of packet */ | rlen = recvfrom(TASK_FD(task), buf, len, 0, &sa.sa, &salen); |
crc = ntohs(rpc->call_crc); | if (rlen == -1) { |
rpc->call_crc ^= rpc->call_crc; | /* close connection */ |
if (crc != crcFletcher16((u_short*) rpc, len / 2)) { | schedEvent(TASK_ROOT(task), cbProto[srv->srv_proto][CB_CLOSECLIENT], |
rpc_SetErr(ERPCMISMATCH, "Bad CRC RPC packet"); | c, 0, NULL, 0); |
| return NULL; |
off += len; | |
/* try next packet remaining into buffer */ | |
continue; | |
} |
} |
|
if (e_addrcmp(&c->cli_sa, &sa, 42)) |
|
rlen ^= rlen; /* skip if arrive from different address */ |
|
} |
|
len = estlen; |
|
|
noreply = RPC_CHK_NOREPLY(rpc); | /* check integrity of packet */ |
| 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"); |
| return NULL; |
| } |
|
|
/* check RPC packet session info */ | noreply = RPC_CHK_NOREPLY(rpc); |
if (rpc_chkPktSession(&rpc->call_session, &srv->srv_session)) { | |
rpc_SetErr(ERPCMISMATCH, "Get invalid RPC session"); | |
rpc->call_argc ^= rpc->call_argc; | |
rpc->call_rep.ret = RPC_ERROR(-1); | |
rpc->call_rep.eno = RPC_ERROR(errno); | |
} else { | |
/* execute RPC call */ | |
schedEvent(TASK_ROOT(task), execCall, c, off, NULL, 0); | |
} | |
|
|
/* send RPC reply */ | /* check RPC packet session info */ |
if (!noreply) | if (rpc_chkPktSession(&rpc->call_session, &srv->srv_session)) { |
schedWrite(TASK_ROOT(task), cbProto[srv->srv_proto][CB_TXPACKET], | rpc_SetErr(ERPCMISMATCH, "Get invalid RPC session"); |
c, TASK_FD(task), rpc, len); | |
|
|
off += len; | rpc->call_argc ^= rpc->call_argc; |
} while (rlen > 0); | rpc->call_rep.ret = RPC_ERROR(-1); |
| rpc->call_rep.eno = RPC_ERROR(errno); |
| } else { |
| /* execute RPC call */ |
| schedEvent(TASK_ROOT(task), execCall, c, (int) noreply, rpc, len); |
| } |
|
|
|
/* send RPC reply */ |
|
if (!noreply) |
|
schedWrite(TASK_ROOT(task), cbProto[srv->srv_proto][CB_TXPACKET], |
|
c, TASK_FD(task), rpc, len); |
end: |
end: |
schedReadSelf(task); |
schedReadSelf(task); |
return NULL; |
return NULL; |
Line 522 end:
|
Line 626 end:
|
|
|
/* ------------------------------------------------------ */ |
/* ------------------------------------------------------ */ |
|
|
inline void | void |
rpc_freeBLOBCli(rpc_cli_t * __restrict c) |
rpc_freeBLOBCli(rpc_cli_t * __restrict c) |
{ |
{ |
rpc_srv_t *s = c->cli_parent; |
rpc_srv_t *s = c->cli_parent; |
Line 576 rxBLOB(sched_task_t *task)
|
Line 680 rxBLOB(sched_task_t *task)
|
rpc_blob_t *b; |
rpc_blob_t *b; |
struct tagBLOBHdr blob; |
struct tagBLOBHdr blob; |
int rlen; |
int rlen; |
u_short crc; |
|
|
|
memset(&blob, 0, sizeof blob); |
memset(&blob, 0, sizeof blob); |
rlen = recv(TASK_FD(task), &blob, sizeof blob, 0); |
rlen = recv(TASK_FD(task), &blob, sizeof blob, 0); |
Line 595 rxBLOB(sched_task_t *task)
|
Line 698 rxBLOB(sched_task_t *task)
|
} |
} |
|
|
/* check RPC packet session info */ |
/* check RPC packet session info */ |
if ((crc = rpc_chkPktSession(&blob.hdr_session, &s->srv_session))) { | if (rpc_chkPktSession(&blob.hdr_session, &s->srv_session)) { |
rpc_SetErr(ERPCMISMATCH, "Get invalid RPC session"); |
rpc_SetErr(ERPCMISMATCH, "Get invalid RPC session"); |
blob.hdr_cmd = error; |
blob.hdr_cmd = error; |
goto end; |
goto end; |
Line 622 rxBLOB(sched_task_t *task)
|
Line 725 rxBLOB(sched_task_t *task)
|
} |
} |
break; |
break; |
case set: |
case set: |
if ((b = rpc_srv_registerBLOB(s, ntohl(blob.hdr_len)))) { | if ((b = rpc_srv_registerBLOB(s, ntohl(blob.hdr_len), |
| ntohl(blob.hdr_ret)))) { |
/* set new BLOB variable for reply :) */ |
/* set new BLOB variable for reply :) */ |
blob.hdr_var = htonl(b->blob_var); |
blob.hdr_var = htonl(b->blob_var); |
|
|
Line 654 end:
|
Line 758 end:
|
} |
} |
|
|
static void * |
static void * |
|
flushBLOB(sched_task_t *task) |
|
{ |
|
rpc_srv_t *srv = TASK_ARG(task); |
|
rpc_blob_t *b, *tmp; |
|
|
|
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); |
|
e_free(b); |
|
} |
|
|
|
schedSignalSelf(task); |
|
return NULL; |
|
} |
|
|
|
static void * |
acceptBLOBClients(sched_task_t *task) |
acceptBLOBClients(sched_task_t *task) |
{ |
{ |
rpc_srv_t *srv = TASK_ARG(task); |
rpc_srv_t *srv = TASK_ARG(task); |
rpc_cli_t *c = NULL; |
rpc_cli_t *c = NULL; |
register int i; |
register int i; |
socklen_t salen = sizeof(sockaddr_t); |
socklen_t salen = sizeof(sockaddr_t); |
|
int sock; |
#ifdef TCP_NOPUSH |
#ifdef TCP_NOPUSH |
int n = 1; |
int n = 1; |
#endif |
#endif |
Line 667 acceptBLOBClients(sched_task_t *task)
|
Line 789 acceptBLOBClients(sched_task_t *task)
|
/* check free slots for connect */ |
/* check free slots for connect */ |
for (i = 0; i < array_Size(srv->srv_blob.clients) && |
for (i = 0; i < array_Size(srv->srv_blob.clients) && |
(c = array(srv->srv_blob.clients, i, rpc_cli_t*)); i++); |
(c = array(srv->srv_blob.clients, i, rpc_cli_t*)); i++); |
if (c) /* no more free slots! */ | if (c) { /* no more free slots! */ |
| EVERBOSE(1, "BLOB client quota exceeded! Connection will be shutdown!\n"); |
| if ((sock = accept(TASK_FD(task), NULL, NULL)) != -1) { |
| shutdown(sock, SHUT_RDWR); |
| close(sock); |
| } |
goto end; |
goto end; |
|
} |
|
|
c = e_malloc(sizeof(rpc_cli_t)); |
c = e_malloc(sizeof(rpc_cli_t)); |
if (!c) { |
if (!c) { |
LOGERR; |
LOGERR; |
Line 820 rpc_srv_initBLOBServer(rpc_srv_t * __restrict srv, u_s
|
Line 949 rpc_srv_initBLOBServer(rpc_srv_t * __restrict srv, u_s
|
* @srv = RPC Server instance |
* @srv = RPC Server instance |
* return: none |
* return: none |
*/ |
*/ |
inline void | void |
rpc_srv_endBLOBServer(rpc_srv_t * __restrict srv) |
rpc_srv_endBLOBServer(rpc_srv_t * __restrict srv) |
{ |
{ |
if (!srv) |
if (!srv) |
return; |
return; |
|
|
srv->srv_blob.kill = 1; |
srv->srv_blob.kill = 1; |
|
|
|
schedEnd(&srv->srv_blob.root); |
} |
} |
|
|
/* |
/* |
Line 853 rpc_srv_loopBLOBServer(rpc_srv_t * __restrict srv)
|
Line 984 rpc_srv_loopBLOBServer(rpc_srv_t * __restrict srv)
|
return -1; |
return -1; |
} |
} |
|
|
|
schedSignal(srv->srv_blob.root, flushBLOB, srv, SIGFBLOB, NULL, 0); |
if (!schedRead(srv->srv_blob.root, acceptBLOBClients, srv, |
if (!schedRead(srv->srv_blob.root, acceptBLOBClients, srv, |
srv->srv_blob.server.cli_sock, NULL, 0)) { |
srv->srv_blob.server.cli_sock, NULL, 0)) { |
rpc_SetErr(sched_GetErrno(), "%s", sched_GetError()); |
rpc_SetErr(sched_GetErrno(), "%s", sched_GetError()); |
Line 863 rpc_srv_loopBLOBServer(rpc_srv_t * __restrict srv)
|
Line 995 rpc_srv_loopBLOBServer(rpc_srv_t * __restrict srv)
|
/* main rpc loop */ |
/* main rpc loop */ |
schedRun(srv->srv_blob.root, &srv->srv_blob.kill); |
schedRun(srv->srv_blob.root, &srv->srv_blob.kill); |
|
|
|
/* 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); |
|
e_free(b); |
|
} |
|
|
/* close all clients connections & server socket */ |
/* close all clients connections & server socket */ |
for (i = 0; i < array_Size(srv->srv_blob.clients); i++) { |
for (i = 0; i < array_Size(srv->srv_blob.clients); i++) { |
c = array(srv->srv_blob.clients, i, rpc_cli_t*); |
c = array(srv->srv_blob.clients, i, rpc_cli_t*); |
Line 879 rpc_srv_loopBLOBServer(rpc_srv_t * __restrict srv)
|
Line 1019 rpc_srv_loopBLOBServer(rpc_srv_t * __restrict srv)
|
|
|
close(srv->srv_blob.server.cli_sock); |
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); |
|
e_free(b); |
|
} |
|
|
|
schedEnd(&srv->srv_blob.root); |
|
AIT_FREE_VAL(&srv->srv_blob.dir); |
AIT_FREE_VAL(&srv->srv_blob.dir); |
return 0; |
return 0; |
} |
} |
Line 1023 err: /* error condition */
|
Line 1154 err: /* error condition */
|
* @psrv = RPC Server instance |
* @psrv = RPC Server instance |
* return: none |
* return: none |
*/ |
*/ |
inline void | void |
rpc_srv_endServer(rpc_srv_t ** __restrict psrv) |
rpc_srv_endServer(rpc_srv_t ** __restrict psrv) |
{ |
{ |
if (!psrv || !*psrv) |
if (!psrv || !*psrv) |
return; |
return; |
|
|
/* if send kill to blob server */ |
/* if send kill to blob server */ |
if (!(*psrv)->srv_blob.kill) | rpc_srv_endBLOBServer(*psrv); |
rpc_srv_endBLOBServer(*psrv); | |
|
|
(*psrv)->srv_kill = 1; |
(*psrv)->srv_kill = 1; |
sleep(RPC_SCHED_POLLING); |
sleep(RPC_SCHED_POLLING); |
|
|
|
schedEnd(&(*psrv)->srv_root); |
|
|
pthread_mutex_destroy(&(*psrv)->srv_funcs.mtx); |
pthread_mutex_destroy(&(*psrv)->srv_funcs.mtx); |
e_free(*psrv); |
e_free(*psrv); |
*psrv = NULL; |
*psrv = NULL; |
Line 1104 rpc_srv_loopServer(rpc_srv_t * __restrict srv)
|
Line 1236 rpc_srv_loopServer(rpc_srv_t * __restrict srv)
|
srv->srv_funcs.avlh_root = NULL; |
srv->srv_funcs.avlh_root = NULL; |
RPC_FUNCS_UNLOCK(&srv->srv_funcs); |
RPC_FUNCS_UNLOCK(&srv->srv_funcs); |
|
|
schedEnd(&srv->srv_root); |
|
return 0; |
return 0; |
} |
} |
|
|