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| version 1.16.8.1, 2013/08/21 22:34:18 | version 1.19.6.1, 2013/11/14 22:53:12 |
|---|---|
| Line 172 rpc_cli_openClient(u_char InstID, int netBuf, const ch | Line 172 rpc_cli_openClient(u_char InstID, int netBuf, const ch |
| else | else |
| netBuf = E_ALIGN(netBuf, 2); /* align netBuf length */ | netBuf = E_ALIGN(netBuf, 2); /* align netBuf length */ |
| #ifdef HAVE_SRANDOMDEV | |
| srandomdev(); | |
| #else | |
| time_t tim; | |
| srandom((time(&tim) ^ getpid())); | |
| #endif | |
| cli = e_malloc(sizeof(rpc_cli_t)); | cli = e_malloc(sizeof(rpc_cli_t)); |
| if (!cli) { | if (!cli) { |
| LOGERR; | LOGERR; |
| Line 273 rpc_cli_closeClient(rpc_cli_t ** __restrict cli) | Line 265 rpc_cli_closeClient(rpc_cli_t ** __restrict cli) |
| int | int |
| rpc_pkt_Send(int sock, int type, sockaddr_t * __restrict sa, ait_val_t * __restrict pkt, int len) | rpc_pkt_Send(int sock, int type, sockaddr_t * __restrict sa, ait_val_t * __restrict pkt, int len) |
| { | { |
| struct pollfd pfd; | |
| int ret; | |
| u_char *buf; | u_char *buf; |
| if (!pkt) { | if (!pkt) { |
| Line 283 rpc_pkt_Send(int sock, int type, sockaddr_t * __restri | Line 273 rpc_pkt_Send(int sock, int type, sockaddr_t * __restri |
| } else | } else |
| buf = AIT_GET_BUF(pkt); | buf = AIT_GET_BUF(pkt); |
| pfd.fd = sock; | return rpc_Write(sock, type, MSG_NOSIGNAL, sa, buf, len); |
| pfd.events = POLLOUT; | |
| if ((ret = poll(&pfd, 1, DEF_RPC_TIMEOUT * 1000)) < 1 || | |
| pfd.revents & (POLLERR | POLLHUP | POLLNVAL)) { | |
| if (ret) | |
| LOGERR; | |
| else | |
| rpc_SetErr(ETIMEDOUT, "Timeout, can't send to RPC server"); | |
| return -1; | |
| } | |
| do { | |
| if (type == SOCK_STREAM) | |
| ret = send(sock, buf, len, MSG_NOSIGNAL); | |
| else if (sa) | |
| ret = sendto(sock, buf, len, MSG_NOSIGNAL, &sa->sa, sa->sa.sa_len); | |
| else { | |
| rpc_SetErr(EINVAL, "Invalid argument(s)!"); | |
| return -1; | |
| } | |
| if (ret == -1) { | |
| if (errno == EAGAIN) | |
| continue; | |
| LOGERR; | |
| return -1; | |
| } else if (ret != len) { | |
| rpc_SetErr(EPROCUNAVAIL, "RPC request, should be send %d bytes, " | |
| "really sended %d bytes", len, ret); | |
| return -1; | |
| } | |
| } while (0); | |
| return ret; | |
| } | } |
| /* | /* |
| Line 329 rpc_pkt_Send(int sock, int type, sockaddr_t * __restri | Line 288 rpc_pkt_Send(int sock, int type, sockaddr_t * __restri |
| int | int |
| rpc_pkt_Receive(int sock, int type, sockaddr_t * __restrict sa, ait_val_t * __restrict pkt) | rpc_pkt_Receive(int sock, int type, sockaddr_t * __restrict sa, ait_val_t * __restrict pkt) |
| { | { |
| struct pollfd pfd; | int ret, estlen = 0, blen = sizeof(struct tagRPCCall); |
| int ret, len = 0; | |
| u_char *buf; | u_char *buf; |
| sockaddr_t sa2; | struct tagRPCCall *rpc; |
| socklen_t salen; | |
| if (!pkt) { | if (!pkt) { |
| rpc_SetErr(EINVAL, "Invalid argument(s)!"); | rpc_SetErr(EINVAL, "Invalid argument(s)!"); |
| Line 342 rpc_pkt_Receive(int sock, int type, sockaddr_t * __res | Line 299 rpc_pkt_Receive(int sock, int type, sockaddr_t * __res |
| buf = AIT_GET_BUF(pkt); | buf = AIT_GET_BUF(pkt); |
| /* reply from RPC server */ | /* reply from RPC server */ |
| pfd.fd = sock; | |
| pfd.events = POLLIN | POLLPRI; | |
| do { | do { |
| if ((ret = poll(&pfd, 1, DEF_RPC_TIMEOUT * 1000)) < 1 || | |
| pfd.revents & (POLLERR | POLLHUP | POLLNVAL)) { | |
| if (ret) { | |
| LOGERR; | |
| } else { | |
| if (len++ < 7) | |
| continue; | |
| else | |
| rpc_SetErr(ETIMEDOUT, | |
| "Timeout, no answer from RPC server"); | |
| } | |
| return -1; | |
| } | |
| memset(buf, 0, AIT_LEN(pkt)); | |
| if (type == SOCK_STREAM) | if (type == SOCK_STREAM) |
| ret = recv(sock, buf, AIT_LEN(pkt), 0); | ret = rpc_Read(sock, type, !estlen ? MSG_PEEK : 0, NULL, buf, blen); |
| else { | else |
| memset(&sa2, 0, sizeof sa2); | ret = rpc_Read(sock, type, !estlen ? MSG_PEEK : 0, sa, buf, blen); |
| salen = sa2.ss.ss_len = sizeof(sockaddr_t); | |
| ret = recvfrom(sock, buf, AIT_LEN(pkt), 0, &sa2.sa, &salen); | |
| } | |
| if (ret < 1) { | if (ret < 1) { |
| if (ret) { | LOGERR; |
| if (errno == EAGAIN) | |
| continue; | |
| else | |
| LOGERR; | |
| } | |
| return -1; | return -1; |
| } | } |
| /* check for response from known address */ | /* check for response from known address */ |
| if (type == SOCK_DGRAM) | if (!estlen) { |
| if (e_addrcmp(sa, &sa2, 42)) { | /* 1st read for RPC header */ |
| rpc_SetErr(ERPCMISMATCH, | if (ret < sizeof(struct tagRPCCall)) { |
| "Received RPC response from unknown address"); | rpc_SetErr(ERPCMISMATCH, "Short RPC packet %d bytes", ret); |
| continue; | return -1; |
| } | } |
| } while (0); | |
| /* calc estimated length */ | |
| rpc = (struct tagRPCCall*) buf; | |
| estlen = ntohl(rpc->call_len); | |
| if (estlen > AIT_LEN(pkt)) | |
| AIT_RE_BUF(pkt, estlen); | |
| buf = AIT_GET_BUF(pkt); | |
| blen = estlen; | |
| rpc = (struct tagRPCCall*) buf; | |
| continue; | |
| } | |
| /* compiler optimize loop if while(0) and stop working 'continue' on some platforms */ | |
| break; | |
| } while (42); | |
| if (ret < sizeof(struct tagRPCCall)) { | if (ret < sizeof(struct tagRPCCall)) { |
| rpc_SetErr(ERPCMISMATCH, "Short RPC packet %d bytes", ret); | rpc_SetErr(ERPCMISMATCH, "Short RPC packet %d bytes", ret); |
| return -1; | return -1; |
| Line 410 rpc_pkt_Request(ait_val_t * __restrict pkt, rpc_sess_t | Line 356 rpc_pkt_Request(ait_val_t * __restrict pkt, rpc_sess_t |
| array_t * __restrict vars, int noreply, int nocrc) | array_t * __restrict vars, int noreply, int nocrc) |
| { | { |
| struct tagRPCCall *rpc; | struct tagRPCCall *rpc; |
| int ret = 0, len = sizeof(struct tagRPCCall); | int ret = 0, estlen, len = sizeof(struct tagRPCCall); |
| u_char *buf; | u_char *buf; |
| if (!pkt || !sess) { | if (!pkt || !sess) { |
| rpc_SetErr(EINVAL, "Invalid argument(s)!"); | rpc_SetErr(EINVAL, "Invalid argument(s)!"); |
| return -1; | return -1; |
| } else | } |
| buf = AIT_GET_BUF(pkt); | |
| /* calc estimated length */ | |
| estlen = ait_resideVars(vars) + len; | |
| if (estlen > AIT_LEN(pkt)) | |
| AIT_RE_BUF(pkt, estlen); | |
| buf = AIT_GET_BUF(pkt); | |
| /* prepare RPC call */ | /* prepare RPC call */ |
| rpc = (struct tagRPCCall*) buf; | rpc = (struct tagRPCCall*) buf; |
| rpc_addPktSession(&rpc->call_session, sess); | rpc_addPktSession(&rpc->call_session, sess); |
| Line 429 rpc_pkt_Request(ait_val_t * __restrict pkt, rpc_sess_t | Line 380 rpc_pkt_Request(ait_val_t * __restrict pkt, rpc_sess_t |
| rpc->call_argc = htons(array_Size(vars)); | rpc->call_argc = htons(array_Size(vars)); |
| /* set reply */ | /* set reply */ |
| rpc->call_req.flags = noreply ? RPC_NOREPLY : RPC_REPLY; | rpc->call_req.flags = (uint64_t) htonl(noreply ? RPC_NOREPLY : RPC_REPLY); |
| if (array_Size(vars)) { | if (array_Size(vars)) { |
| /* marshaling variables */ | /* marshaling variables */ |
| Line 442 rpc_pkt_Request(ait_val_t * __restrict pkt, rpc_sess_t | Line 393 rpc_pkt_Request(ait_val_t * __restrict pkt, rpc_sess_t |
| } | } |
| /* total packet length */ | /* total packet length */ |
| rpc->call_len = htons(len); | rpc->call_len = htonl(len); |
| if (!nocrc) { | if (!nocrc) { |
| /* calculate CRC */ | /* calculate CRC */ |
| Line 483 rpc_pkt_Replay(ait_val_t * __restrict pkt, rpc_sess_t | Line 434 rpc_pkt_Replay(ait_val_t * __restrict pkt, rpc_sess_t |
| /* calculate CRC */ | /* calculate CRC */ |
| crc = ntohs(rpc->call_crc); | crc = ntohs(rpc->call_crc); |
| rpc->call_crc ^= rpc->call_crc; | rpc->call_crc ^= rpc->call_crc; |
| if (crc != crcFletcher16((u_short*) buf, ntohs(rpc->call_len) / 2)) { | if (crc != crcFletcher16((u_short*) buf, ntohl(rpc->call_len) / 2)) { |
| rpc_SetErr(ERPCMISMATCH, "Bad CRC RPC packet"); | rpc_SetErr(ERPCMISMATCH, "Bad CRC RPC packet"); |
| return -1; | return -1; |
| } | } |
| Line 509 rpc_pkt_Replay(ait_val_t * __restrict pkt, rpc_sess_t | Line 460 rpc_pkt_Replay(ait_val_t * __restrict pkt, rpc_sess_t |
| rpc_SetErr(EMSGSIZE, "Reply RPC packet not enough buffer space ..."); | rpc_SetErr(EMSGSIZE, "Reply RPC packet not enough buffer space ..."); |
| return -1; | return -1; |
| } | } |
| if (len > ntohs(rpc->call_len) - sizeof(struct tagRPCCall)) { | if (len > ntohl(rpc->call_len) - sizeof(struct tagRPCCall)) { |
| rpc_SetErr(EMSGSIZE, "Reply RPC packet is too short ..."); | rpc_SetErr(EMSGSIZE, "Reply RPC packet is too short ..."); |
| return -1; | return -1; |
| } | } |