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version 1.26, 2015/05/18 15:09:59
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version 1.30.2.1, 2020/06/25 19:16:43
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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> |
| |
|
| Copyright 2004 - 2015 | Copyright 2004 - 2020 |
| by Michael Pounov <misho@elwix.org>. All rights reserved. |
by Michael Pounov <misho@elwix.org>. All rights reserved. |
| |
|
| Redistribution and use in source and binary forms, with or without |
Redistribution and use in source and binary forms, with or without |
|
Line 70 static void *rxEXTPacket(sched_task_t *);
|
Line 70 static void *rxEXTPacket(sched_task_t *);
|
| static void *txEXTPacket(sched_task_t *); |
static void *txEXTPacket(sched_task_t *); |
| |
|
| static sched_task_func_t cbProto[SOCK_MAX_SUPPORT][4] = { |
static sched_task_func_t cbProto[SOCK_MAX_SUPPORT][4] = { |
| { acceptClients, closeClient, rxPacket, txPacket }, /* SOCK_STREAM */ | { acceptClients, closeClient, rxPacket, txPacket }, /* SOCK_STREAM */ |
| { acceptClients, closeClient, rxPacket, txPacket }, /* SOCK_STREAM */ | { acceptClients, closeClient, rxPacket, txPacket }, /* SOCK_STREAM */ |
| { rxUDPPacket, freeClient, rxUDPPacket, txUDPPacket }, /* SOCK_DGRAM */ | { rxUDPPacket, freeClient, NULL /*rxUDPPacket*/, txUDPPacket }, /* SOCK_DGRAM */ |
| { rxRAWPacket, freeClient, rxRAWPacket, txRAWPacket }, /* SOCK_RAW */ | { rxRAWPacket, freeClient, NULL /*rxRAWPacket*/, txRAWPacket }, /* SOCK_RAW */ |
| { rxBPFPacket, freeClient, rxBPFPacket, txBPFPacket }, /* SOCK_BPF */ | { rxBPFPacket, freeClient, NULL /*rxBPFPacket*/, txBPFPacket }, /* SOCK_BPF */ |
| { rxEXTPacket, freeClient, rxEXTPacket, txEXTPacket } /* SOCK_EXT */ | { rxEXTPacket, freeClient, NULL /*rxEXTPacket*/, txEXTPacket } /* SOCK_EXT */ |
| }; |
}; |
| |
|
| /* Global Signal Argument when kqueue support disabled */ |
/* Global Signal Argument when kqueue support disabled */ |
| |
|
| static volatile uintptr_t _glSigArg = 0; |
static volatile uintptr_t _glSigArg = 0; |
| |
|
| |
|
| void |
void |
| rpc_freeCli(rpc_cli_t * __restrict c) |
rpc_freeCli(rpc_cli_t * __restrict c) |
| { |
{ |
|
Line 158 freeClient(sched_task_t *task)
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Line 157 freeClient(sched_task_t *task)
|
| { |
{ |
| rpc_freeCli(TASK_ARG(task)); |
rpc_freeCli(TASK_ARG(task)); |
| |
|
| return NULL; | taskExit(task, NULL); |
| } |
} |
| |
|
| static void * |
static void * |
|
Line 171 closeClient(sched_task_t *task)
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Line 170 closeClient(sched_task_t *task)
|
| /* close client socket */ |
/* close client socket */ |
| shutdown(sock, SHUT_RDWR); |
shutdown(sock, SHUT_RDWR); |
| close(sock); |
close(sock); |
| return NULL; | taskExit(task, NULL); |
| } |
} |
| |
|
| static void * |
static void * |
|
Line 182 txPacket(sched_task_t *task)
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Line 181 txPacket(sched_task_t *task)
|
| rpc_func_t *f = NULL; |
rpc_func_t *f = NULL; |
| u_char *buf = AIT_GET_BUF(&c->cli_buf); |
u_char *buf = AIT_GET_BUF(&c->cli_buf); |
| struct tagRPCCall *rpc = (struct tagRPCCall*) buf; |
struct tagRPCCall *rpc = (struct tagRPCCall*) buf; |
| int ret, estlen, wlen = sizeof(struct tagRPCCall); | int ret, wlen = sizeof(struct tagRPCCall); |
| struct pollfd pfd; | |
| #ifdef TCP_SESSION_TIMEOUT |
#ifdef TCP_SESSION_TIMEOUT |
| struct timespec ts = { DEF_RPC_TIMEOUT, 0 }; |
struct timespec ts = { DEF_RPC_TIMEOUT, 0 }; |
| |
|
|
Line 198 txPacket(sched_task_t *task)
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Line 196 txPacket(sched_task_t *task)
|
| rpc_SetErr(EPROGUNAVAIL, "Function not found at RPC server"); |
rpc_SetErr(EPROGUNAVAIL, "Function not found at RPC server"); |
| |
|
| rpc->call_argc ^= rpc->call_argc; |
rpc->call_argc ^= rpc->call_argc; |
| rpc->call_rep.ret = RPC_ERROR(-1); | RPC_SET_RETURN(rpc, -1); |
| rpc->call_rep.eno = RPC_ERROR(rpc_Errno); | RPC_SET_ERRNO(rpc, rpc_Errno); |
| } else { | } else if (rpc_pktFreeSpace(c) > s->srv_netbuf) { |
| /* calc estimated length */ | rpc_SetErr(EMSGSIZE, "Message too long"); |
| estlen = ait_resideVars(RPC_RETVARS(c)) + wlen; | |
| if (estlen > AIT_LEN(&c->cli_buf)) | |
| AIT_RE_BUF(&c->cli_buf, estlen); | |
| buf = AIT_GET_BUF(&c->cli_buf); | |
| rpc = (struct tagRPCCall*) buf; | |
| |
|
| |
rpc->call_argc ^= rpc->call_argc; |
| |
RPC_SET_RETURN(rpc, -1); |
| |
RPC_SET_ERRNO(rpc, rpc_Errno); |
| |
} else { |
| rpc->call_argc = (u_char) array_Size(RPC_RETVARS(c)); |
rpc->call_argc = (u_char) array_Size(RPC_RETVARS(c)); |
| /* Go Encapsulate variables */ |
/* Go Encapsulate variables */ |
| ret = ait_vars2buffer(buf + wlen, AIT_LEN(&c->cli_buf) - wlen, |
ret = ait_vars2buffer(buf + wlen, AIT_LEN(&c->cli_buf) - wlen, |
| RPC_RETVARS(c)); |
RPC_RETVARS(c)); |
| /* Free return values */ |
|
| 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"); |
| |
|
| rpc->call_argc ^= rpc->call_argc; |
rpc->call_argc ^= rpc->call_argc; |
| rpc->call_rep.ret = RPC_ERROR(-1); | RPC_SET_RETURN(rpc, -1); |
| rpc->call_rep.eno = RPC_ERROR(rpc_Errno); | RPC_SET_ERRNO(rpc, rpc_Errno); |
| } else |
} else |
| wlen += ret; |
wlen += ret; |
| } |
} |
| } |
} |
| |
|
| |
/* Free return values */ |
| |
ait_freeVars(&c->cli_vars); |
| |
|
| rpc->call_len = htonl(wlen); |
rpc->call_len = htonl(wlen); |
| rpc->call_io = RPC_ACK; |
rpc->call_io = RPC_ACK; |
| |
|
|
Line 235 txPacket(sched_task_t *task)
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Line 233 txPacket(sched_task_t *task)
|
| #endif |
#endif |
| |
|
| /* send reply */ |
/* send reply */ |
| pfd.fd = TASK_FD(task); | ret = send(TASK_FD(task), buf, wlen, MSG_NOSIGNAL); |
| pfd.events = POLLOUT; | if (ret == -1) { |
| 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! Client 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; | |
| } | |
| } |
} |
| |
|
| return NULL; | taskExit(task, NULL); |
| } |
} |
| |
|
| static void * |
static void * |
|
Line 280 execCall(sched_task_t *task)
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Line 262 execCall(sched_task_t *task)
|
| rpc_SetErr(ERPCMISMATCH, "#%d - %s", elwix_GetErrno(), elwix_GetError()); |
rpc_SetErr(ERPCMISMATCH, "#%d - %s", elwix_GetErrno(), elwix_GetError()); |
| |
|
| rpc->call_argc ^= rpc->call_argc; |
rpc->call_argc ^= rpc->call_argc; |
| rpc->call_rep.ret = RPC_ERROR(-1); | RPC_SET_RETURN(rpc, -1); |
| rpc->call_rep.eno = RPC_ERROR(rpc_Errno); | RPC_SET_ERRNO(rpc, rpc_Errno); |
| return NULL; | taskExit(task, NULL); |
| } |
} |
| } else |
} else |
| arr = NULL; |
arr = NULL; |
|
Line 291 execCall(sched_task_t *task)
|
Line 273 execCall(sched_task_t *task)
|
| rpc_SetErr(EPROGUNAVAIL, "Function not found at RPC server"); |
rpc_SetErr(EPROGUNAVAIL, "Function not found at RPC server"); |
| |
|
| rpc->call_argc ^= rpc->call_argc; |
rpc->call_argc ^= rpc->call_argc; |
| rpc->call_rep.ret = RPC_ERROR(-1); | RPC_SET_RETURN(rpc, -1); |
| rpc->call_rep.eno = RPC_ERROR(rpc_Errno); | RPC_SET_ERRNO(rpc, rpc_Errno); |
| } else { |
} else { |
| /* if client doesn't want reply */ |
/* if client doesn't want reply */ |
| argc = RPC_CHK_NOREPLY(rpc); | RPC_SET_RETURN(rpc, 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)) { |
| if (!rpc->call_rep.eno) { |
if (!rpc->call_rep.eno) { |
| LOGERR; |
LOGERR; |
| rpc->call_rep.eno = RPC_ERROR(rpc_Errno); | RPC_SET_ERRNO(rpc, rpc_Errno); |
| } |
} |
| rpc->call_argc ^= rpc->call_argc; |
rpc->call_argc ^= rpc->call_argc; |
| |
ait_freeVars(&c->cli_vars); |
| } else { |
} else { |
| rpc->call_rep.eno ^= rpc->call_rep.eno; |
rpc->call_rep.eno ^= rpc->call_rep.eno; |
| if (argc) { | rpc->call_argc ^= rpc->call_argc; |
| | if (TASK_VAL(task)) { |
| /* without reply */ |
/* without reply */ |
| ait_freeVars(&c->cli_vars); |
ait_freeVars(&c->cli_vars); |
| rpc->call_argc ^= rpc->call_argc; |
|
| } else { |
} else { |
| /* reply */ |
/* reply */ |
| rpc->call_argc = (u_char) array_Size(RPC_RETVARS(c)); |
rpc->call_argc = (u_char) array_Size(RPC_RETVARS(c)); |
|
Line 317 execCall(sched_task_t *task)
|
Line 299 execCall(sched_task_t *task)
|
| } |
} |
| |
|
| array_Destroy(&arr); |
array_Destroy(&arr); |
| return NULL; | taskExit(task, NULL); |
| } |
} |
| |
|
| static void * |
static void * |
|
Line 325 rxPacket(sched_task_t *task)
|
Line 307 rxPacket(sched_task_t *task)
|
| { |
{ |
| 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, estlen; | int len, noreply = 0, rlen = AIT_LEN(&c->cli_buf); |
| #if 0 |
#if 0 |
| u_short crc; |
u_short crc; |
| #endif |
#endif |
| u_char *buf = AIT_GET_BUF(&c->cli_buf); |
u_char *buf = AIT_GET_BUF(&c->cli_buf); |
| struct tagRPCCall *rpc = (struct tagRPCCall*) buf; | struct tagRPCCall b, *rpc = (struct tagRPCCall*) buf; |
| struct pollfd pfd; | |
| #ifdef TCP_SESSION_TIMEOUT |
#ifdef TCP_SESSION_TIMEOUT |
| struct timespec ts = { DEF_RPC_TIMEOUT, 0 }; |
struct timespec ts = { DEF_RPC_TIMEOUT, 0 }; |
| |
|
|
Line 340 rxPacket(sched_task_t *task)
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Line 321 rxPacket(sched_task_t *task)
|
| TASK_ARG(task), ts, TASK_ARG(task), 0); |
TASK_ARG(task), ts, TASK_ARG(task), 0); |
| #endif |
#endif |
| |
|
| memset(buf, 0, sizeof(struct tagRPCCall)); | /* prepare rx */ |
| rlen = recv(TASK_FD(task), rpc, sizeof(struct tagRPCCall), MSG_PEEK); | len = recv(TASK_FD(task), &b, sizeof b, MSG_PEEK); |
| if (rlen < sizeof(struct tagRPCCall)) { | if (len == sizeof b) |
| | rlen = ntohl(b.call_len); |
| | |
| | rlen = recv(TASK_FD(task), buf, rlen, 0); |
| | if (rlen == -1) { |
| /* 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; | taskExit(task, NULL); |
| } 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; | |
| } |
} |
| |
if (rlen < sizeof(struct tagRPCCall)) { |
| |
rpc_SetErr(ERPCMISMATCH, "Short RPC packet"); |
| |
|
| /* get next part of packet */ | rpc->call_argc ^= rpc->call_argc; |
| memset(buf, 0, len); | RPC_SET_RETURN(rpc, -1); |
| pfd.fd = TASK_FD(task); | RPC_SET_ERRNO(rpc, rpc_Errno); |
| pfd.events = POLLIN | POLLPRI; | goto err; |
| for (; len > 0; len -= rlen, buf += rlen) { | } else |
| if ((rlen = poll(&pfd, 1, DEF_RPC_TIMEOUT * 1000)) < 1 || | len = ntohl(rpc->call_len); |
| pfd.revents & (POLLERR | POLLHUP | POLLNVAL)) { | if (rlen < len || len > AIT_LEN(&c->cli_buf)) { |
| if (rlen) | rpc_SetErr(ERPCMISMATCH, "Short RPC packet"); |
| LOGERR; | |
| else | rpc->call_argc ^= rpc->call_argc; |
| rpc_SetErr(ETIMEDOUT, "Timeout reached! Client not respond"); | RPC_SET_RETURN(rpc, -1); |
| schedEvent(TASK_ROOT(task), cbProto[s->srv_proto][CB_CLOSECLIENT], | RPC_SET_ERRNO(rpc, rpc_Errno); |
| TASK_ARG(task), 0, NULL, 0); | goto err; |
| return NULL; | |
| } | |
| rlen = recv(TASK_FD(task), buf, len, 0); | |
| if (rlen == -1) { | |
| /* close connection */ | |
| schedEvent(TASK_ROOT(task), cbProto[s->srv_proto][CB_CLOSECLIENT], | |
| TASK_ARG(task), 0, NULL, 0); | |
| return NULL; | |
| } | |
| } |
} |
| len = estlen; |
|
| |
|
| /* skip loop packet */ |
/* skip loop packet */ |
| if (rpc->call_io & RPC_ACK) { |
if (rpc->call_io & RPC_ACK) { |
| schedReadSelf(task); |
schedReadSelf(task); |
| return NULL; | taskExit(task, NULL); |
| } |
} |
| |
|
| #if 0 |
#if 0 |
|
Line 393 rxPacket(sched_task_t *task)
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Line 363 rxPacket(sched_task_t *task)
|
| rpc->call_crc ^= rpc->call_crc; |
rpc->call_crc ^= rpc->call_crc; |
| if (crc != crcFletcher16((u_short*) rpc, len / 2)) { |
if (crc != crcFletcher16((u_short*) rpc, len / 2)) { |
| rpc_SetErr(ERPCMISMATCH, "Bad CRC RPC packet"); |
rpc_SetErr(ERPCMISMATCH, "Bad CRC RPC packet"); |
| return NULL; | |
| | rpc->call_argc ^= rpc->call_argc; |
| | RPC_SET_RETURN(rpc, -1); |
| | RPC_SET_ERRNO(rpc, rpc_Errno); |
| | goto err; |
| } |
} |
| #endif |
#endif |
| |
|
| noreply = RPC_CHK_NOREPLY(rpc); |
|
| |
|
| /* 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, "Get invalid RPC session"); |
rpc_SetErr(ERPCMISMATCH, "Get invalid RPC session"); |
| |
|
| rpc->call_argc ^= rpc->call_argc; |
rpc->call_argc ^= rpc->call_argc; |
| rpc->call_rep.ret = RPC_ERROR(-1); | RPC_SET_RETURN(rpc, -1); |
| rpc->call_rep.eno = RPC_ERROR(errno); | RPC_SET_ERRNO(rpc, rpc_Errno); |
| } else { | goto err; |
| /* execute RPC call */ | |
| schedEvent(TASK_ROOT(task), execCall, TASK_ARG(task), (int) noreply, rpc, len); | |
| } |
} |
| |
|
| |
noreply = RPC_CHK_NOREPLY(rpc); |
| |
|
| |
/* execute RPC call */ |
| |
schedEvent(TASK_ROOT(task), execCall, TASK_ARG(task), (int) noreply, rpc, len); |
| |
err: |
| /* send RPC reply */ |
/* send RPC reply */ |
| if (!noreply) |
if (!noreply) |
| schedWrite(TASK_ROOT(task), cbProto[s->srv_proto][CB_TXPACKET], |
schedWrite(TASK_ROOT(task), cbProto[s->srv_proto][CB_TXPACKET], |
|
Line 418 rxPacket(sched_task_t *task)
|
Line 393 rxPacket(sched_task_t *task)
|
| |
|
| /* lets get next packet */ |
/* lets get next packet */ |
| schedReadSelf(task); |
schedReadSelf(task); |
| return NULL; | taskExit(task, NULL); |
| } |
} |
| |
|
| static void * |
static void * |
|
Line 426 acceptClients(sched_task_t *task)
|
Line 401 acceptClients(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; |
| socklen_t salen = sizeof(sockaddr_t); | socklen_t salen = E_SOCKADDR_MAX; |
| int sock; |
int sock; |
| #ifdef TCP_SESSION_TIMEOUT |
#ifdef TCP_SESSION_TIMEOUT |
| struct timespec ts = { DEF_RPC_TIMEOUT, 0 }; |
struct timespec ts = { DEF_RPC_TIMEOUT, 0 }; |
|
Line 449 acceptClients(sched_task_t *task)
|
Line 424 acceptClients(sched_task_t *task)
|
| AIT_FREE_VAL(&c->cli_buf); |
AIT_FREE_VAL(&c->cli_buf); |
| array_Del(srv->srv_clients, c->cli_id, 42); |
array_Del(srv->srv_clients, c->cli_id, 42); |
| goto end; |
goto end; |
| } 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); |
| |
fcntl(c->cli_sock, F_SETFD, FD_CLOEXEC); |
| |
} |
| |
|
| #ifdef TCP_SESSION_TIMEOUT |
#ifdef TCP_SESSION_TIMEOUT |
| /* armed timer for close stateless connection */ |
/* armed timer for close stateless connection */ |
|
Line 462 acceptClients(sched_task_t *task)
|
Line 439 acceptClients(sched_task_t *task)
|
| c->cli_sock, NULL, 0); |
c->cli_sock, NULL, 0); |
| end: |
end: |
| schedReadSelf(task); |
schedReadSelf(task); |
| return NULL; | taskExit(task, NULL); |
| } |
} |
| |
|
| |
|
|
Line 474 txUDPPacket(sched_task_t *task)
|
Line 451 txUDPPacket(sched_task_t *task)
|
| rpc_func_t *f = NULL; |
rpc_func_t *f = NULL; |
| u_char *buf = AIT_GET_BUF(&c->cli_buf); |
u_char *buf = AIT_GET_BUF(&c->cli_buf); |
| struct tagRPCCall *rpc = (struct tagRPCCall*) buf; |
struct tagRPCCall *rpc = (struct tagRPCCall*) buf; |
| int ret, estlen, wlen = sizeof(struct tagRPCCall); | int ret, 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], |
|
Line 486 txUDPPacket(sched_task_t *task)
|
Line 462 txUDPPacket(sched_task_t *task)
|
| 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"); |
| |
|
| rpc->call_argc ^= rpc->call_argc; |
rpc->call_argc ^= rpc->call_argc; |
| rpc->call_rep.ret = RPC_ERROR(-1); | RPC_SET_RETURN(rpc, -1); |
| rpc->call_rep.eno = RPC_ERROR(rpc_Errno); | RPC_SET_ERRNO(rpc, rpc_Errno); |
| } else { | } else if (rpc_pktFreeSpace(c) > s->srv_netbuf) { |
| /* calc estimated length */ | rpc_SetErr(EMSGSIZE, "Message too long"); |
| estlen = ait_resideVars(RPC_RETVARS(c)) + wlen; | |
| if (estlen > AIT_LEN(&c->cli_buf)) | |
| AIT_RE_BUF(&c->cli_buf, estlen); | |
| buf = AIT_GET_BUF(&c->cli_buf); | |
| rpc = (struct tagRPCCall*) buf; | |
| |
|
| |
rpc->call_argc ^= rpc->call_argc; |
| |
RPC_SET_RETURN(rpc, -1); |
| |
RPC_SET_ERRNO(rpc, rpc_Errno); |
| |
} else { |
| rpc->call_argc = (u_char) array_Size(RPC_RETVARS(c)); |
rpc->call_argc = (u_char) array_Size(RPC_RETVARS(c)); |
| /* Go Encapsulate variables */ |
/* Go Encapsulate variables */ |
| ret = ait_vars2buffer(buf + wlen, AIT_LEN(&c->cli_buf) - wlen, |
ret = ait_vars2buffer(buf + wlen, AIT_LEN(&c->cli_buf) - wlen, |
| RPC_RETVARS(c)); |
RPC_RETVARS(c)); |
| /* Free return values */ |
|
| 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"); |
| |
|
| rpc->call_argc ^= rpc->call_argc; |
rpc->call_argc ^= rpc->call_argc; |
| rpc->call_rep.ret = RPC_ERROR(-1); | RPC_SET_RETURN(rpc, -1); |
| rpc->call_rep.eno = RPC_ERROR(rpc_Errno); | RPC_SET_ERRNO(rpc, rpc_Errno); |
| } else |
} else |
| wlen += ret; |
wlen += ret; |
| } |
} |
| } |
} |
| |
|
| |
/* Free return values */ |
| |
ait_freeVars(&c->cli_vars); |
| |
|
| rpc->call_len = htonl(wlen); |
rpc->call_len = htonl(wlen); |
| rpc->call_io = RPC_ACK; |
rpc->call_io = RPC_ACK; |
| |
|
|
Line 521 txUDPPacket(sched_task_t *task)
|
Line 499 txUDPPacket(sched_task_t *task)
|
| rpc->call_crc = htons(crcFletcher16((u_short*) buf, wlen / 2)); |
rpc->call_crc = htons(crcFletcher16((u_short*) buf, wlen / 2)); |
| |
|
| /* send reply */ |
/* send reply */ |
| pfd.fd = TASK_FD(task); | ret = sendto(TASK_FD(task), buf, wlen, MSG_NOSIGNAL, |
| pfd.events = POLLOUT; | &c->cli_sa.sa, e_addrlen(&c->cli_sa)); |
| for (; wlen > 0; wlen -= ret, buf += ret) { | if (ret == -1) { |
| if ((ret = poll(&pfd, 1, DEF_RPC_TIMEOUT * 1000)) < 1 || | /* close connection */ |
| pfd.revents & (POLLERR | POLLHUP | POLLNVAL)) { | schedEvent(TASK_ROOT(task), cbProto[s->srv_proto][CB_CLOSECLIENT], |
| if (ret) | TASK_ARG(task), 0, NULL, 0); |
| LOGERR; | |
| else | |
| rpc_SetErr(ETIMEDOUT, "Timeout reached! Client 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; | taskExit(task, NULL); |
| } |
} |
| |
|
| static void * |
static void * |
|
Line 553 rxUDPPacket(sched_task_t *task)
|
Line 515 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, estlen; | int len, noreply = 0, rlen; |
| u_short crc; |
u_short crc; |
| u_char *buf, b[sizeof(struct tagRPCCall)]; | struct tagRPCCall *rpc; |
| struct tagRPCCall *rpc = (struct tagRPCCall*) b; | |
| sockaddr_t sa; |
sockaddr_t sa; |
| socklen_t salen; | socklen_t salen = E_SOCKADDR_MAX; |
| struct timespec ts = { DEF_RPC_TIMEOUT, 0 }; |
struct timespec ts = { DEF_RPC_TIMEOUT, 0 }; |
| struct pollfd pfd; | ait_val_t b = AIT_VAL_INIT; |
| |
|
| /* receive connect packet */ |
/* receive connect packet */ |
| salen = sa.ss.ss_len = sizeof(sockaddr_t); | AIT_SET_BUF(&b, NULL, srv->srv_netbuf); |
| rlen = recvfrom(TASK_FD(task), b, sizeof b, MSG_PEEK, &sa.sa, &salen); | #ifndef __linux__ |
| if (rlen < sizeof(struct tagRPCCall)) { | sa.ss.ss_len = salen; |
| rpc_SetErr(ERPCMISMATCH, "Short RPC packet"); | #endif |
| | rlen = recvfrom(TASK_FD(task), AIT_GET_BUF(&b), AIT_LEN(&b), 0, &sa.sa, &salen); |
| | rpc = (struct tagRPCCall*) AIT_GET_BUF(&b); |
| | if (rlen < sizeof(struct tagRPCCall)) |
| goto end; |
goto end; |
| } | else |
| | len = ntohl(rpc->call_len); |
| | if (rlen < len || len > srv->srv_netbuf) |
| | goto end; |
| |
|
| |
/* skip loop packet */ |
| |
if (rpc->call_io & RPC_ACK) |
| |
goto end; |
| |
|
| |
/* check integrity of packet */ |
| |
crc = ntohs(rpc->call_crc); |
| |
rpc->call_crc ^= rpc->call_crc; |
| |
if (crc != crcFletcher16((u_short*) rpc, len / 2)) |
| |
goto end; |
| |
|
| |
/* check RPC packet session info */ |
| |
if (rpc_chkPktSession(&rpc->call_session, &srv->srv_session)) |
| |
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"); |
EVERBOSE(1, "RPC client quota exceeded! Connection will be shutdown!\n"); |
| usleep(2000); /* blocked client delay */ |
usleep(2000); /* blocked client delay */ |
| goto end; |
goto end; |
| } else { |
} else { |
| estlen = ntohl(rpc->call_len); | memcpy(AIT_GET_BUF(&c->cli_buf), AIT_GET_BUF(&b), len); |
| if (estlen > AIT_LEN(&c->cli_buf)) | |
| AIT_RE_BUF(&c->cli_buf, estlen); | |
| rpc = (struct tagRPCCall*) AIT_GET_BUF(&c->cli_buf); |
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); |
|
Line 592 rxUDPPacket(sched_task_t *task)
|
Line 569 rxUDPPacket(sched_task_t *task)
|
| c, ts, c, 0); |
c, ts, c, 0); |
| } |
} |
| |
|
| /* get next part of packet */ |
|
| memset(buf, 0, len); |
|
| pfd.fd = TASK_FD(task); |
|
| pfd.events = POLLIN | POLLPRI; |
|
| for (; len > 0; len -= rlen, buf += rlen) { |
|
| if ((rlen = poll(&pfd, 1, DEF_RPC_TIMEOUT * 1000)) < 1 || |
|
| pfd.revents & (POLLERR | POLLHUP | POLLNVAL)) { |
|
| if (rlen) |
|
| LOGERR; |
|
| else |
|
| rpc_SetErr(ETIMEDOUT, "Timeout reached! Client not respond"); |
|
| schedEvent(TASK_ROOT(task), cbProto[srv->srv_proto][CB_CLOSECLIENT], |
|
| c, 0, NULL, 0); |
|
| goto end; |
|
| } |
|
| salen = sa.ss.ss_len = sizeof(sockaddr_t); |
|
| rlen = recvfrom(TASK_FD(task), buf, len, 0, &sa.sa, &salen); |
|
| if (rlen == -1) { |
|
| /* close connection */ |
|
| schedEvent(TASK_ROOT(task), cbProto[srv->srv_proto][CB_CLOSECLIENT], |
|
| c, 0, NULL, 0); |
|
| goto end; |
|
| } |
|
| if (e_addrcmp(&c->cli_sa, &sa, 42)) |
|
| rlen ^= rlen; /* skip if arrive from different address */ |
|
| } |
|
| len = estlen; |
|
| |
|
| /* skip loop packet */ |
|
| if (rpc->call_io & RPC_ACK) |
|
| goto end; |
|
| |
|
| /* 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"); |
|
| /* close connection */ |
|
| schedEvent(TASK_ROOT(task), cbProto[srv->srv_proto][CB_CLOSECLIENT], |
|
| c, 0, NULL, 0); |
|
| goto end; |
|
| } |
|
| |
|
| noreply = RPC_CHK_NOREPLY(rpc); |
noreply = RPC_CHK_NOREPLY(rpc); |
| |
|
| /* check RPC packet session info */ | /* execute RPC call */ |
| if (rpc_chkPktSession(&rpc->call_session, &srv->srv_session)) { | schedEvent(TASK_ROOT(task), execCall, c, (int) noreply, rpc, len); |
| 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, (int) noreply, rpc, len); |
|
| } |
|
| |
|
| /* send RPC reply */ |
/* send RPC reply */ |
| if (!noreply) |
if (!noreply) |
| schedWrite(TASK_ROOT(task), cbProto[srv->srv_proto][CB_TXPACKET], |
schedWrite(TASK_ROOT(task), cbProto[srv->srv_proto][CB_TXPACKET], |
| c, TASK_FD(task), rpc, len); |
c, TASK_FD(task), rpc, len); |
| end: |
end: |
| |
AIT_FREE_VAL(&b); |
| schedReadSelf(task); |
schedReadSelf(task); |
| return NULL; | taskExit(task, NULL); |
| } |
} |
| |
|
| |
|
|
Line 667 txRAWPacket(sched_task_t *task)
|
Line 593 txRAWPacket(sched_task_t *task)
|
| rpc_func_t *f = NULL; |
rpc_func_t *f = NULL; |
| u_char *buf = AIT_GET_BUF(&c->cli_buf); |
u_char *buf = AIT_GET_BUF(&c->cli_buf); |
| struct tagRPCCall *rpc = (struct tagRPCCall*) buf; |
struct tagRPCCall *rpc = (struct tagRPCCall*) buf; |
| int ret, estlen, wlen = sizeof(struct tagRPCCall); | int ret, 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], |
|
Line 679 txRAWPacket(sched_task_t *task)
|
Line 604 txRAWPacket(sched_task_t *task)
|
| 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"); |
| |
|
| rpc->call_argc ^= rpc->call_argc; |
rpc->call_argc ^= rpc->call_argc; |
| rpc->call_rep.ret = RPC_ERROR(-1); | RPC_SET_RETURN(rpc, -1); |
| rpc->call_rep.eno = RPC_ERROR(rpc_Errno); | RPC_SET_ERRNO(rpc, rpc_Errno); |
| } else { | } else if (rpc_pktFreeSpace(c) > s->srv_netbuf) { |
| /* calc estimated length */ | rpc_SetErr(EMSGSIZE, "Message too long"); |
| estlen = ait_resideVars(RPC_RETVARS(c)) + wlen; | |
| if (estlen > AIT_LEN(&c->cli_buf)) | |
| AIT_RE_BUF(&c->cli_buf, estlen); | |
| buf = AIT_GET_BUF(&c->cli_buf); | |
| rpc = (struct tagRPCCall*) buf; | |
| |
|
| |
rpc->call_argc ^= rpc->call_argc; |
| |
RPC_SET_RETURN(rpc, -1); |
| |
RPC_SET_ERRNO(rpc, rpc_Errno); |
| |
} else { |
| rpc->call_argc = (u_char) array_Size(RPC_RETVARS(c)); |
rpc->call_argc = (u_char) array_Size(RPC_RETVARS(c)); |
| /* Go Encapsulate variables */ |
/* Go Encapsulate variables */ |
| ret = ait_vars2buffer(buf + wlen, AIT_LEN(&c->cli_buf) - wlen, |
ret = ait_vars2buffer(buf + wlen, AIT_LEN(&c->cli_buf) - wlen, |
| RPC_RETVARS(c)); |
RPC_RETVARS(c)); |
| /* Free return values */ |
|
| 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"); |
| |
|
| rpc->call_argc ^= rpc->call_argc; |
rpc->call_argc ^= rpc->call_argc; |
| rpc->call_rep.ret = RPC_ERROR(-1); | RPC_SET_RETURN(rpc, -1); |
| rpc->call_rep.eno = RPC_ERROR(rpc_Errno); | RPC_SET_ERRNO(rpc, rpc_Errno); |
| } else |
} else |
| wlen += ret; |
wlen += ret; |
| } |
} |
| } |
} |
| |
|
| |
/* Free return values */ |
| |
ait_freeVars(&c->cli_vars); |
| |
|
| rpc->call_len = htonl(wlen); |
rpc->call_len = htonl(wlen); |
| rpc->call_io = RPC_ACK; |
rpc->call_io = RPC_ACK; |
| |
|
|
Line 714 txRAWPacket(sched_task_t *task)
|
Line 641 txRAWPacket(sched_task_t *task)
|
| rpc->call_crc = htons(crcFletcher16((u_short*) buf, wlen / 2)); |
rpc->call_crc = htons(crcFletcher16((u_short*) buf, wlen / 2)); |
| |
|
| /* send reply */ |
/* send reply */ |
| pfd.fd = TASK_FD(task); | ret = sendto(TASK_FD(task), buf, wlen, MSG_NOSIGNAL, |
| pfd.events = POLLOUT; | &c->cli_sa.sa, e_addrlen(&c->cli_sa)); |
| for (; wlen > 0; wlen -= ret, buf += ret) { | if (ret == -1) { |
| if ((ret = poll(&pfd, 1, DEF_RPC_TIMEOUT * 1000)) < 1 || | /* close connection */ |
| pfd.revents & (POLLERR | POLLHUP | POLLNVAL)) { | schedEvent(TASK_ROOT(task), cbProto[s->srv_proto][CB_CLOSECLIENT], |
| if (ret) | TASK_ARG(task), 0, NULL, 0); |
| LOGERR; | |
| else | |
| rpc_SetErr(ETIMEDOUT, "Timeout reached! Client 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; | taskExit(task, NULL); |
| } |
} |
| |
|
| static void * |
static void * |
|
Line 746 rxRAWPacket(sched_task_t *task)
|
Line 657 rxRAWPacket(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, estlen; | int len, noreply = 0, rlen; |
| u_short crc; |
u_short crc; |
| u_char *buf, b[sizeof(struct ip6_hdr) + sizeof(struct tagRPCCall)]; |
|
| struct tagRPCCall *rpc; |
struct tagRPCCall *rpc; |
| sockaddr_t sa; |
sockaddr_t sa; |
| socklen_t salen; | socklen_t salen = E_SOCKADDR_MAX; |
| struct timespec ts = { DEF_RPC_TIMEOUT, 0 }; |
struct timespec ts = { DEF_RPC_TIMEOUT, 0 }; |
| struct pollfd pfd; | ait_val_t b = AIT_VAL_INIT; |
| |
|
| /* receive connect packet */ |
/* receive connect packet */ |
| salen = sa.ss.ss_len = sizeof(sockaddr_t); | AIT_SET_BUF(&b, NULL, srv->srv_netbuf); |
| rlen = recvfrom(TASK_FD(task), b, sizeof b, MSG_PEEK, &sa.sa, &salen); | #ifndef __linux__ |
| if (rlen < sizeof(struct ip) + sizeof(struct tagRPCCall)) { | sa.ss.ss_len = salen; |
| rpc_SetErr(ERPCMISMATCH, "Short RPC packet"); | #endif |
| goto end; | rlen = recvfrom(TASK_FD(task), AIT_GET_BUF(&b), AIT_LEN(&b), 0, &sa.sa, &salen); |
| | if (sa.sa.sa_family == AF_INET) { |
| | struct ip *h; |
| | h = (struct ip*) AIT_GET_BUF(&b); |
| | if (rlen < ntohs(h->ip_len) || h->ip_p != IPPROTO_ERPC) |
| | goto end; |
| | else { |
| | rlen -= sizeof(struct ip); |
| | rpc = (struct tagRPCCall*) (h + 1); |
| | } |
| | } else { |
| | #ifdef IPV6_REMOVE_HEADER |
| | struct ip6_hdr *h; |
| | h = (struct ip6_hdr*) AIT_GET_BUF(&b); |
| | if (rlen < ntohs(h->ip6_plen) || h->ip6_nxt != IPPROTO_ERPC) |
| | goto end; |
| | else { |
| | rlen -= sizeof(struct ip6_hdr); |
| | rpc = (struct tagRPCCall*) (h + 1); |
| | } |
| | #else |
| | rpc = (struct tagRPCCall*) AIT_GET_BUF(&b); |
| | #endif |
| } |
} |
| |
if (rlen < sizeof(struct tagRPCCall)) |
| |
goto end; |
| |
else |
| |
len = ntohl(rpc->call_len); |
| |
if (rlen < len || len > srv->srv_netbuf) |
| |
goto end; |
| |
|
| |
/* skip loop packet */ |
| |
if (rpc->call_io & RPC_ACK) |
| |
goto end; |
| |
|
| |
/* check integrity of packet */ |
| |
crc = ntohs(rpc->call_crc); |
| |
rpc->call_crc ^= rpc->call_crc; |
| |
if (crc != crcFletcher16((u_short*) rpc, len / 2)) |
| |
goto end; |
| |
|
| |
/* check RPC packet session info */ |
| |
if (rpc_chkPktSession(&rpc->call_session, &srv->srv_session)) |
| |
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"); |
EVERBOSE(1, "RPC client quota exceeded! Connection will be shutdown!\n"); |
| usleep(2000); /* blocked client delay */ |
usleep(2000); /* blocked client delay */ |
| goto end; |
goto end; |
| } else { |
} else { |
| estlen = sa.sa.sa_family == AF_INET ? | memcpy(AIT_GET_BUF(&c->cli_buf), rpc, len); |
| sizeof(struct ip) : sizeof(struct ip6_hdr); | rpc = (struct tagRPCCall*) AIT_GET_BUF(&c->cli_buf); |
| rpc = (struct tagRPCCall*) (b + estlen); | |
| 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) + | |
| (sa.sa.sa_family == AF_INET ? | |
| sizeof(struct ip) : sizeof(struct ip6_hdr))); | |
| 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); |
|
Line 790 rxRAWPacket(sched_task_t *task)
|
Line 733 rxRAWPacket(sched_task_t *task)
|
| c, ts, c, 0); |
c, ts, c, 0); |
| } |
} |
| |
|
| /* get next part of packet */ |
|
| memset(buf, 0, len); |
|
| pfd.fd = TASK_FD(task); |
|
| pfd.events = POLLIN | POLLPRI; |
|
| for (; len > 0; len -= rlen, buf += rlen) { |
|
| if ((rlen = poll(&pfd, 1, DEF_RPC_TIMEOUT * 1000)) < 1 || |
|
| pfd.revents & (POLLERR | POLLHUP | POLLNVAL)) { |
|
| if (rlen) |
|
| LOGERR; |
|
| else |
|
| rpc_SetErr(ETIMEDOUT, "Timeout reached! Client not respond"); |
|
| schedEvent(TASK_ROOT(task), cbProto[srv->srv_proto][CB_CLOSECLIENT], |
|
| c, 0, NULL, 0); |
|
| goto end; |
|
| } |
|
| salen = sa.ss.ss_len = sizeof(sockaddr_t); |
|
| rlen = recvfrom(TASK_FD(task), buf, len, 0, &sa.sa, &salen); |
|
| if (rlen == -1) { |
|
| /* close connection */ |
|
| schedEvent(TASK_ROOT(task), cbProto[srv->srv_proto][CB_CLOSECLIENT], |
|
| c, 0, NULL, 0); |
|
| goto end; |
|
| } |
|
| if (e_addrcmp(&c->cli_sa, &sa, 42)) |
|
| rlen ^= rlen; /* skip if arrive from different address */ |
|
| } |
|
| len = estlen; |
|
| len -= sa.sa.sa_family == AF_INET ? |
|
| sizeof(struct ip) : sizeof(struct ip6_hdr); |
|
| memmove(AIT_GET_BUF(&c->cli_buf), rpc, len); |
|
| rpc = (struct tagRPCCall*) AIT_GET_BUF(&c->cli_buf); |
|
| |
|
| /* skip loop packet */ |
|
| if (rpc->call_io & RPC_ACK) |
|
| goto end; |
|
| |
|
| /* 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"); |
|
| /* close connection */ |
|
| schedEvent(TASK_ROOT(task), cbProto[srv->srv_proto][CB_CLOSECLIENT], |
|
| c, 0, NULL, 0); |
|
| goto end; |
|
| } |
|
| |
|
| noreply = RPC_CHK_NOREPLY(rpc); |
noreply = RPC_CHK_NOREPLY(rpc); |
| |
|
| /* check RPC packet session info */ | /* execute RPC call */ |
| if (rpc_chkPktSession(&rpc->call_session, &srv->srv_session)) { | schedEvent(TASK_ROOT(task), execCall, c, (int) noreply, rpc, len); |
| 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, (int) noreply, rpc, len); |
|
| } |
|
| |
|
| /* send RPC reply */ |
/* send RPC reply */ |
| if (!noreply) |
if (!noreply) |
| schedWrite(TASK_ROOT(task), cbProto[srv->srv_proto][CB_TXPACKET], |
schedWrite(TASK_ROOT(task), cbProto[srv->srv_proto][CB_TXPACKET], |
| c, TASK_FD(task), rpc, len); |
c, TASK_FD(task), rpc, len); |
| end: |
end: |
| |
AIT_FREE_VAL(&b); |
| schedReadSelf(task); |
schedReadSelf(task); |
| return NULL; | taskExit(task, NULL); |
| } |
} |
| |
|
| |
|
| static void * |
static void * |
| txBPFPacket(sched_task_t *task) |
txBPFPacket(sched_task_t *task) |
| { |
{ |
| |
#ifndef __linux__ |
| 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 = AIT_GET_BUF(&c->cli_buf); |
u_char *buf = AIT_GET_BUF(&c->cli_buf); |
| struct tagRPCCall *rpc = (struct tagRPCCall*) buf; |
struct tagRPCCall *rpc = (struct tagRPCCall*) buf; |
| int ret, len, wlen = sizeof(struct tagRPCCall); | int ret, wlen = sizeof(struct tagRPCCall); |
| struct timespec ts = { DEF_RPC_TIMEOUT, 0 }; |
struct timespec ts = { DEF_RPC_TIMEOUT, 0 }; |
| struct ether_header *eh; |
struct ether_header *eh; |
| ait_val_t b = AIT_VAL_INIT; |
ait_val_t b = AIT_VAL_INIT; |
|
Line 882 txBPFPacket(sched_task_t *task)
|
Line 771 txBPFPacket(sched_task_t *task)
|
| 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"); |
| |
|
| rpc->call_argc ^= rpc->call_argc; |
rpc->call_argc ^= rpc->call_argc; |
| rpc->call_rep.ret = RPC_ERROR(-1); | RPC_SET_RETURN(rpc, -1); |
| rpc->call_rep.eno = RPC_ERROR(rpc_Errno); | RPC_SET_ERRNO(rpc, rpc_Errno); |
| } else { | } else if (rpc_pktFreeSpace(c) > s->srv_netbuf) { |
| /* calc estimated length */ | rpc_SetErr(EMSGSIZE, "Message too long"); |
| len = ait_resideVars(RPC_RETVARS(c)) + wlen; | |
| if (len > AIT_LEN(&c->cli_buf)) | |
| AIT_RE_BUF(&c->cli_buf, len); | |
| buf = AIT_GET_BUF(&c->cli_buf); | |
| rpc = (struct tagRPCCall*) buf; | |
| |
|
| |
rpc->call_argc ^= rpc->call_argc; |
| |
RPC_SET_RETURN(rpc, -1); |
| |
RPC_SET_ERRNO(rpc, rpc_Errno); |
| |
} else { |
| rpc->call_argc = (u_char) array_Size(RPC_RETVARS(c)); |
rpc->call_argc = (u_char) array_Size(RPC_RETVARS(c)); |
| /* Go Encapsulate variables */ |
/* Go Encapsulate variables */ |
| ret = ait_vars2buffer(buf + wlen, AIT_LEN(&c->cli_buf) - wlen, |
ret = ait_vars2buffer(buf + wlen, AIT_LEN(&c->cli_buf) - wlen, |
| RPC_RETVARS(c)); |
RPC_RETVARS(c)); |
| /* Free return values */ |
|
| ait_freeVars(&RPC_RETVARS(c)); |
|
| if (ret == -1) { |
if (ret == -1) { |
| rpc_SetErr(EBADRPC, "Prepare RPC packet failed"); |
rpc_SetErr(EBADRPC, "Prepare RPC packet failed"); |
| |
|
| rpc->call_argc ^= rpc->call_argc; |
rpc->call_argc ^= rpc->call_argc; |
| rpc->call_rep.ret = RPC_ERROR(-1); | RPC_SET_RETURN(rpc, -1); |
| rpc->call_rep.eno = RPC_ERROR(rpc_Errno); | RPC_SET_ERRNO(rpc, rpc_Errno); |
| } else |
} else |
| wlen += ret; |
wlen += ret; |
| } |
} |
| } |
} |
| |
|
| |
/* Free return values */ |
| |
ait_freeVars(&RPC_RETVARS(c)); |
| |
|
| rpc->call_len = htonl(wlen); |
rpc->call_len = htonl(wlen); |
| rpc->call_io = RPC_ACK; |
rpc->call_io = RPC_ACK; |
| |
|
|
Line 917 txBPFPacket(sched_task_t *task)
|
Line 808 txBPFPacket(sched_task_t *task)
|
| rpc->call_crc = htons(crcFletcher16((u_short*) buf, wlen / 2)); |
rpc->call_crc = htons(crcFletcher16((u_short*) buf, wlen / 2)); |
| |
|
| /* send reply */ |
/* send reply */ |
| AIT_SET_BUF(&b, NULL, MIN(wlen, s->srv_netbuf) + ETHER_HDR_LEN); | AIT_SET_BUF(&b, NULL, wlen + ETHER_HDR_LEN); |
| eh = (struct ether_header*) AIT_GET_BUF(&b); |
eh = (struct ether_header*) AIT_GET_BUF(&b); |
| memcpy(eh->ether_dhost, LLADDR(&c->cli_sa.sdl), ETHER_ADDR_LEN); |
memcpy(eh->ether_dhost, LLADDR(&c->cli_sa.sdl), ETHER_ADDR_LEN); |
| eh->ether_type = htons(RPC_DEFPORT); |
eh->ether_type = htons(RPC_DEFPORT); |
| memcpy(eh + 1, buf, MIN(wlen, s->srv_netbuf)); | memcpy(eh + 1, buf, wlen); |
| |
|
| ret = write(TASK_FD(task), AIT_GET_BUF(&b), AIT_LEN(&b)); |
ret = write(TASK_FD(task), AIT_GET_BUF(&b), AIT_LEN(&b)); |
| AIT_FREE_VAL(&b); |
AIT_FREE_VAL(&b); |
|
Line 929 txBPFPacket(sched_task_t *task)
|
Line 820 txBPFPacket(sched_task_t *task)
|
| /* 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; |
|
| } |
} |
| |
#else |
| |
rpc_SetErr(ENOTSUP, "Feature isn't supported on Linux!"); |
| |
#endif |
| |
|
| return NULL; | taskExit(task, NULL); |
| } |
} |
| |
|
| static void * |
static void * |
| rxBPFPacket(sched_task_t *task) |
rxBPFPacket(sched_task_t *task) |
| { |
{ |
| |
#ifndef __linux__ |
| 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; |
|
Line 955 rxBPFPacket(sched_task_t *task)
|
Line 849 rxBPFPacket(sched_task_t *task)
|
| h = (struct bpf_hdr*) AIT_GET_BUF(&b); |
h = (struct bpf_hdr*) AIT_GET_BUF(&b); |
| rlen -= h->bh_hdrlen; |
rlen -= h->bh_hdrlen; |
| if (rlen < h->bh_datalen || h->bh_caplen != h->bh_datalen || |
if (rlen < h->bh_datalen || h->bh_caplen != h->bh_datalen || |
| rlen < ETHER_HDR_LEN + sizeof(struct tagRPCCall)) { | rlen < ETHER_HDR_LEN + sizeof(struct tagRPCCall)) |
| rpc_SetErr(ERPCMISMATCH, "Short RPC packet"); | |
| goto end; |
goto end; |
| } else { | else { |
| rlen = h->bh_caplen; |
rlen = h->bh_caplen; |
| eh = (struct ether_header*) (AIT_GET_BUF(&b) + h->bh_hdrlen); |
eh = (struct ether_header*) (AIT_GET_BUF(&b) + h->bh_hdrlen); |
| rlen -= ETHER_HDR_LEN; |
rlen -= ETHER_HDR_LEN; |
| rpc = (struct tagRPCCall*) (eh + 1); |
rpc = (struct tagRPCCall*) (eh + 1); |
| |
|
| #if 0 |
|
| /* skip loop packet */ |
|
| if (rpc->call_io & RPC_ACK) |
|
| goto end; |
|
| #endif |
|
| |
|
| if (eh->ether_type != ntohs(RPC_DEFPORT)) |
if (eh->ether_type != ntohs(RPC_DEFPORT)) |
| goto end; |
goto end; |
| else |
else |
| e_getlinkbymac((const ether_addr_t*) eh->ether_shost, &sa); |
e_getlinkbymac((const ether_addr_t*) eh->ether_shost, &sa); |
| } |
} |
| |
if (rlen < sizeof(struct tagRPCCall)) |
| |
goto end; |
| |
else |
| |
len = ntohl(rpc->call_len); |
| |
if (rlen < len || len > srv->srv_netbuf) |
| |
goto end; |
| |
|
| |
#ifdef CHECK_ETHACK |
| |
/* skip loop packet */ |
| |
if (rpc->call_io & RPC_ACK) |
| |
goto end; |
| |
#endif |
| |
|
| |
/* check integrity of packet */ |
| |
crc = ntohs(rpc->call_crc); |
| |
rpc->call_crc ^= rpc->call_crc; |
| |
if (crc != crcFletcher16((u_short*) rpc, len / 2)) |
| |
goto end; |
| |
|
| |
/* check RPC packet session info */ |
| |
if (rpc_chkPktSession(&rpc->call_session, &srv->srv_session)) |
| |
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"); |
EVERBOSE(1, "RPC client quota exceeded! Connection will be shutdown!\n"); |
| usleep(2000); /* blocked client delay */ |
usleep(2000); /* blocked client delay */ |
| goto end; |
goto end; |
| } else { |
} else { |
| len = ntohl(rpc->call_len); | memcpy(AIT_GET_BUF(&c->cli_buf), rpc, len); |
| if (len > AIT_LEN(&c->cli_buf)) | |
| AIT_RE_BUF(&c->cli_buf, len); | |
| memcpy(AIT_GET_BUF(&c->cli_buf), rpc, AIT_LEN(&c->cli_buf)); | |
| rpc = (struct tagRPCCall*) AIT_GET_BUF(&c->cli_buf); |
rpc = (struct tagRPCCall*) AIT_GET_BUF(&c->cli_buf); |
| |
|
| c->cli_sock = TASK_FD(task); |
c->cli_sock = TASK_FD(task); |
|
Line 997 rxBPFPacket(sched_task_t *task)
|
Line 903 rxBPFPacket(sched_task_t *task)
|
| c, ts, c, 0); |
c, ts, c, 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"); |
|
| /* close connection */ |
|
| schedEvent(TASK_ROOT(task), cbProto[srv->srv_proto][CB_CLOSECLIENT], |
|
| c, 0, NULL, 0); |
|
| goto end; |
|
| } |
|
| |
|
| noreply = RPC_CHK_NOREPLY(rpc); |
noreply = RPC_CHK_NOREPLY(rpc); |
| |
|
| /* check RPC packet session info */ | /* execute RPC call */ |
| if (rpc_chkPktSession(&rpc->call_session, &srv->srv_session)) { | schedEvent(TASK_ROOT(task), execCall, c, (int) noreply, rpc, len); |
| 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, (int) noreply, rpc, len); |
|
| } |
|
| |
|
| /* send RPC reply */ |
/* send RPC reply */ |
| if (!noreply) |
if (!noreply) |
| schedEvent(TASK_ROOT(task), cbProto[srv->srv_proto][CB_TXPACKET], |
schedEvent(TASK_ROOT(task), cbProto[srv->srv_proto][CB_TXPACKET], |
|
Line 1029 rxBPFPacket(sched_task_t *task)
|
Line 915 rxBPFPacket(sched_task_t *task)
|
| end: |
end: |
| AIT_FREE_VAL(&b); |
AIT_FREE_VAL(&b); |
| schedReadSelf(task); |
schedReadSelf(task); |
| return NULL; | #else |
| | rpc_SetErr(ENOTSUP, "Feature isn't supported on Linux!"); |
| | #endif |
| | |
| | taskExit(task, NULL); |
| } |
} |
| |
|
| |
|
|
Line 1041 txEXTPacket(sched_task_t *task)
|
Line 931 txEXTPacket(sched_task_t *task)
|
| rpc_func_t *f = NULL; |
rpc_func_t *f = NULL; |
| u_char *buf = AIT_GET_BUF(&c->cli_buf); |
u_char *buf = AIT_GET_BUF(&c->cli_buf); |
| struct tagRPCCall *rpc = (struct tagRPCCall*) buf; |
struct tagRPCCall *rpc = (struct tagRPCCall*) buf; |
| int ret, len, wlen = sizeof(struct tagRPCCall); | int ret, wlen = sizeof(struct tagRPCCall); |
| struct timespec ts = { DEF_RPC_TIMEOUT, 0 }; |
struct timespec ts = { DEF_RPC_TIMEOUT, 0 }; |
| |
|
| schedCancelby(TASK_ROOT(task), taskTIMER, CRITERIA_DATA, TASK_ARG(task), NULL); |
schedCancelby(TASK_ROOT(task), taskTIMER, CRITERIA_DATA, TASK_ARG(task), NULL); |
|
Line 1052 txEXTPacket(sched_task_t *task)
|
Line 942 txEXTPacket(sched_task_t *task)
|
| 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"); |
| |
|
| rpc->call_argc ^= rpc->call_argc; |
rpc->call_argc ^= rpc->call_argc; |
| rpc->call_rep.ret = RPC_ERROR(-1); | RPC_SET_RETURN(rpc, -1); |
| rpc->call_rep.eno = RPC_ERROR(rpc_Errno); | RPC_SET_ERRNO(rpc, rpc_Errno); |
| } else { | } else if (rpc_pktFreeSpace(c) > s->srv_netbuf) { |
| /* calc estimated length */ | rpc_SetErr(EMSGSIZE, "Message too long"); |
| len = ait_resideVars(RPC_RETVARS(c)) + wlen; | |
| if (len > AIT_LEN(&c->cli_buf)) | |
| AIT_RE_BUF(&c->cli_buf, len); | |
| buf = AIT_GET_BUF(&c->cli_buf); | |
| rpc = (struct tagRPCCall*) buf; | |
| |
|
| |
rpc->call_argc ^= rpc->call_argc; |
| |
RPC_SET_RETURN(rpc, -1); |
| |
RPC_SET_ERRNO(rpc, rpc_Errno); |
| |
} else { |
| rpc->call_argc = (u_char) array_Size(RPC_RETVARS(c)); |
rpc->call_argc = (u_char) array_Size(RPC_RETVARS(c)); |
| /* Go Encapsulate variables */ |
/* Go Encapsulate variables */ |
| ret = ait_vars2buffer(buf + wlen, AIT_LEN(&c->cli_buf) - wlen, |
ret = ait_vars2buffer(buf + wlen, AIT_LEN(&c->cli_buf) - wlen, |
| RPC_RETVARS(c)); |
RPC_RETVARS(c)); |
| /* Free return values */ |
|
| ait_freeVars(&RPC_RETVARS(c)); |
|
| if (ret == -1) { |
if (ret == -1) { |
| rpc_SetErr(EBADRPC, "Prepare RPC packet failed"); |
rpc_SetErr(EBADRPC, "Prepare RPC packet failed"); |
| |
|
| rpc->call_argc ^= rpc->call_argc; |
rpc->call_argc ^= rpc->call_argc; |
| rpc->call_rep.ret = RPC_ERROR(-1); | RPC_SET_RETURN(rpc, -1); |
| rpc->call_rep.eno = RPC_ERROR(rpc_Errno); | RPC_SET_ERRNO(rpc, rpc_Errno); |
| } else |
} else |
| wlen += ret; |
wlen += ret; |
| } |
} |
| } |
} |
| |
|
| |
/* Free return values */ |
| |
ait_freeVars(&RPC_RETVARS(c)); |
| |
|
| rpc->call_len = htonl(wlen); |
rpc->call_len = htonl(wlen); |
| rpc->call_io = RPC_ACK; |
rpc->call_io = RPC_ACK; |
| |
|
| /* send reply */ |
/* send reply */ |
| ret = write(TASK_FD(task), buf, MIN(wlen, s->srv_netbuf)); | ret = write(TASK_FD(task), buf, wlen); |
| if (ret == -1) { |
if (ret == -1) { |
| /* 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; | taskExit(task, NULL); |
| } |
} |
| |
|
| static void * |
static void * |
|
Line 1099 rxEXTPacket(sched_task_t *task)
|
Line 990 rxEXTPacket(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, noreply = 0, rlen = AIT_LEN(&c->cli_buf); |
| struct tagRPCCall *rpc; |
struct tagRPCCall *rpc; |
| struct timespec ts = { DEF_RPC_TIMEOUT, 0 }; |
struct timespec ts = { DEF_RPC_TIMEOUT, 0 }; |
| ait_val_t b = AIT_VAL_INIT; |
|
| sockaddr_t sa; |
sockaddr_t sa; |
| |
ait_val_t b = AIT_VAL_INIT; |
| |
|
| memset(&sa, 0, sizeof sa); |
memset(&sa, 0, sizeof sa); |
| /* receive connect packet */ |
/* receive connect packet */ |
| AIT_SET_BUF(&b, NULL, srv->srv_netbuf); |
AIT_SET_BUF(&b, NULL, srv->srv_netbuf); |
| rlen = read(TASK_FD(task), AIT_GET_BUF(&b), AIT_LEN(&b)); |
rlen = read(TASK_FD(task), AIT_GET_BUF(&b), AIT_LEN(&b)); |
| if (rlen < sizeof(struct tagRPCCall)) { | rpc = (struct tagRPCCall*) AIT_GET_BUF(&b); |
| rpc_SetErr(ERPCMISMATCH, "Short RPC packet"); | if (rlen < sizeof(struct tagRPCCall)) |
| goto end; |
goto end; |
| } else { | else |
| rpc = (struct tagRPCCall*) AIT_GET_BUF(&b); | len = ntohl(rpc->call_len); |
| | if (rlen < len || len > srv->srv_netbuf) |
| | goto end; |
| |
|
| /* skip loop packet */ | /* skip loop packet */ |
| if (rpc->call_io & RPC_ACK) | if (rpc->call_io & RPC_ACK) |
| goto end; | goto end; |
| } | |
| |
|
| |
/* check RPC packet session info */ |
| |
if (rpc_chkPktSession(&rpc->call_session, &srv->srv_session)) |
| |
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"); |
EVERBOSE(1, "RPC client quota exceeded! Connection will be shutdown!\n"); |
| usleep(2000); /* blocked client delay */ |
usleep(2000); /* blocked client delay */ |
| goto end; |
goto end; |
| } else { |
} else { |
| len = ntohl(rpc->call_len); | memcpy(AIT_GET_BUF(&c->cli_buf), AIT_GET_BUF(&b), len); |
| if (len > AIT_LEN(&c->cli_buf)) | |
| AIT_RE_BUF(&c->cli_buf, len); | |
| memcpy(AIT_GET_BUF(&c->cli_buf), rpc, AIT_LEN(&c->cli_buf)); | |
| rpc = (struct tagRPCCall*) AIT_GET_BUF(&c->cli_buf); |
rpc = (struct tagRPCCall*) AIT_GET_BUF(&c->cli_buf); |
| |
|
| c->cli_sock = TASK_FD(task); |
c->cli_sock = TASK_FD(task); |
|
Line 1142 rxEXTPacket(sched_task_t *task)
|
Line 1035 rxEXTPacket(sched_task_t *task)
|
| |
|
| noreply = RPC_CHK_NOREPLY(rpc); |
noreply = RPC_CHK_NOREPLY(rpc); |
| |
|
| /* check RPC packet session info */ | /* execute RPC call */ |
| if (rpc_chkPktSession(&rpc->call_session, &srv->srv_session)) { | schedEvent(TASK_ROOT(task), execCall, c, (int) noreply, rpc, len); |
| 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, (int) noreply, rpc, len); |
|
| } |
|
| |
|
| /* send RPC reply */ |
/* send RPC reply */ |
| if (!noreply) |
if (!noreply) |
| schedWrite(TASK_ROOT(task), cbProto[srv->srv_proto][CB_TXPACKET], |
schedWrite(TASK_ROOT(task), cbProto[srv->srv_proto][CB_TXPACKET], |
|
Line 1161 rxEXTPacket(sched_task_t *task)
|
Line 1045 rxEXTPacket(sched_task_t *task)
|
| end: |
end: |
| AIT_FREE_VAL(&b); |
AIT_FREE_VAL(&b); |
| schedReadSelf(task); |
schedReadSelf(task); |
| return NULL; | taskExit(task, NULL); |
| } |
} |
| |
|
| /* ------------------------------------------------------ */ |
/* ------------------------------------------------------ */ |
|
Line 1192 closeBLOBClient(sched_task_t *task)
|
Line 1076 closeBLOBClient(sched_task_t *task)
|
| /* close client socket */ |
/* close client socket */ |
| shutdown(sock, SHUT_RDWR); |
shutdown(sock, SHUT_RDWR); |
| close(sock); |
close(sock); |
| return NULL; | taskExit(task, NULL); |
| } |
} |
| |
|
| static void * |
static void * |
|
Line 1209 txBLOB(sched_task_t *task)
|
Line 1093 txBLOB(sched_task_t *task)
|
| schedEvent(TASK_ROOT(task), closeBLOBClient, c, 42, NULL, 0); |
schedEvent(TASK_ROOT(task), closeBLOBClient, c, 42, NULL, 0); |
| } |
} |
| |
|
| return NULL; | taskExit(task, NULL); |
| } |
} |
| |
|
| static void * |
static void * |
|
Line 1226 rxBLOB(sched_task_t *task)
|
Line 1110 rxBLOB(sched_task_t *task)
|
| if (rlen < 1) { |
if (rlen < 1) { |
| /* close blob connection */ |
/* close blob connection */ |
| schedEvent(TASK_ROOT(task), closeBLOBClient, c, 42, NULL, 0); |
schedEvent(TASK_ROOT(task), closeBLOBClient, c, 42, NULL, 0); |
| return NULL; | taskExit(task, NULL); |
| } |
} |
| |
|
| /* check BLOB packet */ |
/* check BLOB packet */ |
|
Line 1234 rxBLOB(sched_task_t *task)
|
Line 1118 rxBLOB(sched_task_t *task)
|
| rpc_SetErr(ERPCMISMATCH, "Short BLOB packet"); |
rpc_SetErr(ERPCMISMATCH, "Short BLOB packet"); |
| |
|
| schedReadSelf(task); |
schedReadSelf(task); |
| return NULL; | taskExit(task, NULL); |
| } |
} |
| |
|
| /* check RPC packet session info */ |
/* check RPC packet session info */ |
|
Line 1250 rxBLOB(sched_task_t *task)
|
Line 1134 rxBLOB(sched_task_t *task)
|
| if (!(b = rpc_srv_getBLOB(s, ntohl(blob.hdr_var)))) { |
if (!(b = rpc_srv_getBLOB(s, ntohl(blob.hdr_var)))) { |
| rpc_SetErr(EINVAL, "Var=%x not found", ntohl(blob.hdr_var)); |
rpc_SetErr(EINVAL, "Var=%x not found", ntohl(blob.hdr_var)); |
| blob.hdr_cmd = no; |
blob.hdr_cmd = no; |
| blob.hdr_ret = RPC_ERROR(-1); | RPC_SET_BLOB_RET(&blob, -1); |
| break; |
break; |
| } else |
} else |
| blob.hdr_len = htonl(b->blob_len); |
blob.hdr_len = htonl(b->blob_len); |
|
Line 1261 rxBLOB(sched_task_t *task)
|
Line 1145 rxBLOB(sched_task_t *task)
|
| rpc_srv_blobUnmap(b); |
rpc_srv_blobUnmap(b); |
| } else { |
} else { |
| blob.hdr_cmd = error; |
blob.hdr_cmd = error; |
| blob.hdr_ret = RPC_ERROR(-1); | RPC_SET_BLOB_RET(&blob, -1); |
| } |
} |
| break; |
break; |
| case set: |
case set: |
|
Line 1275 rxBLOB(sched_task_t *task)
|
Line 1159 rxBLOB(sched_task_t *task)
|
| rpc_srv_blobUnmap(b); |
rpc_srv_blobUnmap(b); |
| } else { |
} else { |
| blob.hdr_cmd = error; |
blob.hdr_cmd = error; |
| blob.hdr_ret = RPC_ERROR(-1); | RPC_SET_BLOB_RET(&blob, -1); |
| } |
} |
| break; |
break; |
| case unset: |
case unset: |
| if (rpc_srv_unregisterBLOB(s, ntohl(blob.hdr_var)) == -1) { |
if (rpc_srv_unregisterBLOB(s, ntohl(blob.hdr_var)) == -1) { |
| blob.hdr_cmd = error; |
blob.hdr_cmd = error; |
| blob.hdr_ret = RPC_ERROR(-1); | RPC_SET_BLOB_RET(&blob, -1); |
| } |
} |
| break; |
break; |
| default: |
default: |
| rpc_SetErr(EPROCUNAVAIL, "Unsupported BLOB command %d", blob.hdr_cmd); |
rpc_SetErr(EPROCUNAVAIL, "Unsupported BLOB command %d", blob.hdr_cmd); |
| blob.hdr_cmd = error; |
blob.hdr_cmd = error; |
| blob.hdr_ret = RPC_ERROR(-1); | RPC_SET_BLOB_RET(&blob, -1); |
| } |
} |
| |
|
| end: |
end: |
| memcpy(AIT_ADDR(&c->cli_buf), &blob, sizeof blob); |
memcpy(AIT_ADDR(&c->cli_buf), &blob, sizeof blob); |
| schedWrite(TASK_ROOT(task), txBLOB, TASK_ARG(task), TASK_FD(task), NULL, 0); |
schedWrite(TASK_ROOT(task), txBLOB, TASK_ARG(task), TASK_FD(task), NULL, 0); |
| schedReadSelf(task); |
schedReadSelf(task); |
| return NULL; | taskExit(task, NULL); |
| } |
} |
| |
|
| static void * |
static void * |
| flushBLOB(sched_task_t *task) |
flushBLOB(sched_task_t *task) |
| { |
{ |
| |
#ifdef atomic_load_acq_ptr |
| uintptr_t sigArg = atomic_load_acq_ptr(&_glSigArg); |
uintptr_t sigArg = atomic_load_acq_ptr(&_glSigArg); |
| |
#else |
| |
uintptr_t sigArg = *((volatile uintptr_t*) &_glSigArg); |
| |
#endif |
| rpc_srv_t *srv = sigArg ? (void*) sigArg : TASK_ARG(task); |
rpc_srv_t *srv = sigArg ? (void*) sigArg : TASK_ARG(task); |
| rpc_blob_t *b, *tmp; |
rpc_blob_t *b, *tmp; |
| |
|
|
Line 1311 flushBLOB(sched_task_t *task)
|
Line 1199 flushBLOB(sched_task_t *task)
|
| e_free(b); |
e_free(b); |
| } |
} |
| |
|
| if (!schedSignalSelf(task)) { | if (sigArg) { |
| /* disabled kqueue support in libaitsched */ |
/* disabled kqueue support in libaitsched */ |
| struct sigaction sa; |
struct sigaction sa; |
| |
|
|
Line 1320 flushBLOB(sched_task_t *task)
|
Line 1208 flushBLOB(sched_task_t *task)
|
| sa.sa_handler = (void (*)(int)) flushBLOB; |
sa.sa_handler = (void (*)(int)) flushBLOB; |
| sa.sa_flags = SA_RESTART | SA_RESETHAND; |
sa.sa_flags = SA_RESTART | SA_RESETHAND; |
| sigaction(SIGFBLOB, &sa, NULL); |
sigaction(SIGFBLOB, &sa, NULL); |
| |
return NULL; |
| |
} else { |
| |
schedSignalSelf(task); |
| |
taskExit(task, NULL); |
| } |
} |
| |
|
| return NULL; |
|
| } |
} |
| |
|
| static void * |
static void * |
|
Line 1331 acceptBLOBClients(sched_task_t *task)
|
Line 1221 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 = E_SOCKADDR_MAX; |
| int sock; |
int sock; |
| #ifdef TCP_NOPUSH |
#ifdef TCP_NOPUSH |
| int n = 1; |
int n = 1; |
|
Line 1353 acceptBLOBClients(sched_task_t *task)
|
Line 1243 acceptBLOBClients(sched_task_t *task)
|
| if (!c) { |
if (!c) { |
| LOGERR; |
LOGERR; |
| srv->srv_kill = srv->srv_blob.kill = 1; |
srv->srv_kill = srv->srv_blob.kill = 1; |
| return NULL; | taskExit(task, NULL); |
| } else { |
} else { |
| memset(c, 0, sizeof(rpc_cli_t)); |
memset(c, 0, sizeof(rpc_cli_t)); |
| array_Set(srv->srv_blob.clients, i, c); |
array_Set(srv->srv_blob.clients, i, c); |
|
Line 1376 acceptBLOBClients(sched_task_t *task)
|
Line 1266 acceptBLOBClients(sched_task_t *task)
|
| setsockopt(c->cli_sock, IPPROTO_TCP, TCP_NOPUSH, &n, sizeof n); |
setsockopt(c->cli_sock, IPPROTO_TCP, TCP_NOPUSH, &n, sizeof n); |
| #endif |
#endif |
| 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); |
| |
fcntl(c->cli_sock, F_SETFD, FD_CLOEXEC); |
| } |
} |
| |
|
| schedRead(TASK_ROOT(task), rxBLOB, c, c->cli_sock, NULL, 0); |
schedRead(TASK_ROOT(task), rxBLOB, c, c->cli_sock, NULL, 0); |
| end: |
end: |
| schedReadSelf(task); |
schedReadSelf(task); |
| return NULL; | taskExit(task, NULL); |
| } |
} |
| |
|
| /* ------------------------------------------------------ */ |
/* ------------------------------------------------------ */ |
|
Line 1398 int
|
Line 1289 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; |
| |
socklen_t salen; |
| |
|
| if (!srv || srv->srv_kill) { |
if (!srv || srv->srv_kill) { |
| rpc_SetErr(EINVAL, "Invalid parameters can`t init BLOB server"); |
rpc_SetErr(EINVAL, "Invalid parameters can`t init BLOB server"); |
|
Line 1416 rpc_srv_initBLOBServer(rpc_srv_t * __restrict srv, u_s
|
Line 1308 rpc_srv_initBLOBServer(rpc_srv_t * __restrict srv, u_s
|
| |
|
| srv->srv_blob.server.cli_parent = srv; |
srv->srv_blob.server.cli_parent = srv; |
| |
|
| memcpy(&srv->srv_blob.server.cli_sa, &srv->srv_server.cli_sa, sizeof(sockaddr_t)); | memcpy(&srv->srv_blob.server.cli_sa, &srv->srv_server.cli_sa, sizeof srv->srv_blob.server.cli_sa); |
| switch (srv->srv_blob.server.cli_sa.sa.sa_family) { |
switch (srv->srv_blob.server.cli_sa.sa.sa_family) { |
| case AF_INET: |
case AF_INET: |
| srv->srv_blob.server.cli_sa.sin.sin_port = |
srv->srv_blob.server.cli_sa.sin.sin_port = |
| htons(Port ? Port : ntohs(srv->srv_blob.server.cli_sa.sin.sin_port) + 1); |
htons(Port ? Port : ntohs(srv->srv_blob.server.cli_sa.sin.sin_port) + 1); |
| |
salen = sizeof srv->srv_blob.server.cli_sa.sin; |
| break; |
break; |
| case AF_INET6: |
case AF_INET6: |
| srv->srv_blob.server.cli_sa.sin6.sin6_port = |
srv->srv_blob.server.cli_sa.sin6.sin6_port = |
| htons(Port ? Port : ntohs(srv->srv_blob.server.cli_sa.sin6.sin6_port) + 1); |
htons(Port ? Port : ntohs(srv->srv_blob.server.cli_sa.sin6.sin6_port) + 1); |
| |
salen = sizeof srv->srv_blob.server.cli_sa.sin6; |
| break; |
break; |
| case AF_LOCAL: |
case AF_LOCAL: |
| strlcat(srv->srv_blob.server.cli_sa.sun.sun_path, ".blob", |
strlcat(srv->srv_blob.server.cli_sa.sun.sun_path, ".blob", |
| sizeof srv->srv_blob.server.cli_sa.sun.sun_path); |
sizeof srv->srv_blob.server.cli_sa.sun.sun_path); |
| |
salen = sizeof srv->srv_blob.server.cli_sa.sun; |
| break; |
break; |
| default: |
default: |
| AIT_FREE_VAL(&srv->srv_blob.dir); |
AIT_FREE_VAL(&srv->srv_blob.dir); |
|
Line 1461 rpc_srv_initBLOBServer(rpc_srv_t * __restrict srv, u_s
|
Line 1356 rpc_srv_initBLOBServer(rpc_srv_t * __restrict srv, u_s
|
| AIT_FREE_VAL(&srv->srv_blob.dir); |
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.sa, | if (bind(srv->srv_blob.server.cli_sock, &srv->srv_blob.server.cli_sa.sa, salen) == -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); |
AIT_FREE_VAL(&srv->srv_blob.dir); |
|
Line 1508 rpc_srv_endBLOBServer(rpc_srv_t * __restrict srv)
|
Line 1402 rpc_srv_endBLOBServer(rpc_srv_t * __restrict srv)
|
| |
|
| srv->srv_blob.kill = 1; |
srv->srv_blob.kill = 1; |
| |
|
| |
if (srv->srv_blob.server.cli_sa.sa.sa_family == AF_LOCAL) |
| |
unlink(srv->srv_blob.server.cli_sa.sun.sun_path); |
| |
|
| schedEnd(&srv->srv_blob.root); |
schedEnd(&srv->srv_blob.root); |
| } |
} |
| |
|
|
Line 1539 rpc_srv_loopBLOBServer(rpc_srv_t * __restrict srv)
|
Line 1436 rpc_srv_loopBLOBServer(rpc_srv_t * __restrict srv)
|
| /* disabled kqueue support in libaitsched */ |
/* disabled kqueue support in libaitsched */ |
| struct sigaction sa; |
struct sigaction sa; |
| |
|
| |
#ifdef atomic_store_rel_ptr |
| atomic_store_rel_ptr(&_glSigArg, (uintptr_t) srv); |
atomic_store_rel_ptr(&_glSigArg, (uintptr_t) srv); |
| |
#else |
| |
*((volatile uintptr_t*) &_glSigArg) = (uintptr_t) srv; |
| |
#endif |
| |
|
| memset(&sa, 0, sizeof sa); |
memset(&sa, 0, sizeof sa); |
| sigemptyset(&sa.sa_mask); |
sigemptyset(&sa.sa_mask); |
|
Line 1605 rpc_srv_initServer(u_char InstID, int concurentClients
|
Line 1506 rpc_srv_initServer(u_char InstID, int concurentClients
|
| int n = 1; |
int n = 1; |
| rpc_srv_t *srv = NULL; |
rpc_srv_t *srv = NULL; |
| sockaddr_t sa = E_SOCKADDR_INIT; |
sockaddr_t sa = E_SOCKADDR_INIT; |
| |
socklen_t salen; |
| |
|
| if (!concurentClients || (proto < 0 || proto > SOCK_RAW)) { |
if (!concurentClients || (proto < 0 || proto > SOCK_RAW)) { |
| rpc_SetErr(EINVAL, "Invalid parameters can`t init RPC server"); |
rpc_SetErr(EINVAL, "Invalid parameters can`t init RPC server"); |
| return NULL; |
return NULL; |
| } |
} |
| if (!e_gethostbyname(csHost, Port, &sa)) | if (!Port && proto < SOCK_RAW) |
| return NULL; | |
| if (!Port) | |
| Port = RPC_DEFPORT; |
Port = RPC_DEFPORT; |
| |
if (!(salen = e_gethostbyname(csHost, Port, &sa))) |
| |
return NULL; |
| if (!proto) |
if (!proto) |
| proto = SOCK_STREAM; |
proto = SOCK_STREAM; |
| if (netBuf < RPC_MIN_BUFSIZ) |
if (netBuf < RPC_MIN_BUFSIZ) |
|
Line 1683 rpc_srv_initServer(u_char InstID, int concurentClients
|
Line 1585 rpc_srv_initServer(u_char InstID, int concurentClients
|
| LOGERR; |
LOGERR; |
| goto err; |
goto err; |
| } |
} |
| |
if (srv->srv_proto == SOCK_STREAM) |
| |
setsockopt(srv->srv_server.cli_sock, IPPROTO_TCP, TCP_NODELAY, &n, sizeof n); |
| 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; |
|
Line 1692 rpc_srv_initServer(u_char InstID, int concurentClients
|
Line 1596 rpc_srv_initServer(u_char InstID, int concurentClients
|
| LOGERR; |
LOGERR; |
| goto err; |
goto err; |
| } |
} |
| if (bind(srv->srv_server.cli_sock, &srv->srv_server.cli_sa.sa, | if (bind(srv->srv_server.cli_sock, &srv->srv_server.cli_sa.sa, salen) == -1) { |
| srv->srv_server.cli_sa.sa.sa_len) == -1) { | |
| LOGERR; |
LOGERR; |
| goto err; |
goto err; |
| } else |
} else |
|
Line 1726 rpc_srv_endServer(rpc_srv_t ** __restrict psrv)
|
Line 1629 rpc_srv_endServer(rpc_srv_t ** __restrict psrv)
|
| |
|
| /* if send kill to blob server */ |
/* if send kill to blob server */ |
| rpc_srv_endBLOBServer(*psrv); |
rpc_srv_endBLOBServer(*psrv); |
| |
/* wait for BLOB server done */ |
| |
while (*(&(*psrv)->srv_blob.root)) |
| |
usleep(1000); |
| |
|
| (*psrv)->srv_kill = 1; |
(*psrv)->srv_kill = 1; |
| sleep(RPC_SCHED_POLLING); |
sleep(RPC_SCHED_POLLING); |
| |
|
| |
if ((*psrv)->srv_server.cli_sa.sa.sa_family == AF_LOCAL) |
| |
unlink((*psrv)->srv_server.cli_sa.sun.sun_path); |
| |
|
| schedEnd(&(*psrv)->srv_root); |
schedEnd(&(*psrv)->srv_root); |
| |
|
| pthread_mutex_destroy(&(*psrv)->srv_funcs.mtx); |
pthread_mutex_destroy(&(*psrv)->srv_funcs.mtx); |
|
Line 1844 rpc_srv_execCall(rpc_cli_t * __restrict cli, struct ta
|
Line 1753 rpc_srv_execCall(rpc_cli_t * __restrict cli, struct ta
|
| rpc_srv_t * |
rpc_srv_t * |
| rpc_srv_initServer2(u_char InstID, int concurentClients, int netBuf, const char *csIface) |
rpc_srv_initServer2(u_char InstID, int concurentClients, int netBuf, const char *csIface) |
| { |
{ |
| |
#ifndef __linux__ |
| int n = 1; |
int n = 1; |
| rpc_srv_t *srv = NULL; |
rpc_srv_t *srv = NULL; |
| sockaddr_t sa = E_SOCKADDR_INIT; |
sockaddr_t sa = E_SOCKADDR_INIT; |
|
Line 1970 err: /* error condition */
|
Line 1880 err: /* error condition */
|
| schedEnd(&srv->srv_root); |
schedEnd(&srv->srv_root); |
| pthread_mutex_destroy(&srv->srv_funcs.mtx); |
pthread_mutex_destroy(&srv->srv_funcs.mtx); |
| e_free(srv); |
e_free(srv); |
| |
#else |
| |
rpc_SetErr(ENOTSUP, "Feature isn't supported on Linux!"); |
| |
#endif |
| |
|
| return NULL; |
return NULL; |
| } |
} |
| |
|