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| version 1.16.8.6, 2013/08/22 14:01:00 | version 1.20.4.1, 2013/12/15 16:09:54 |
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| Line 260 rpc_cli_closeClient(rpc_cli_t ** __restrict cli) | Line 260 rpc_cli_closeClient(rpc_cli_t ** __restrict cli) |
| * @sa = Server address | * @sa = Server address |
| * @pkt = RPC packet | * @pkt = RPC packet |
| * @len = Length of packet | * @len = Length of packet |
| * return: -1 error or !=-1 sended bytes | * return: -1 error, 0 EOF or >0 sended bytes |
| */ | */ |
| 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 275 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 316 rpc_pkt_Send(int sock, int type, sockaddr_t * __restri | Line 283 rpc_pkt_Send(int sock, int type, sockaddr_t * __restri |
| * @type = Type of socket | * @type = Type of socket |
| * @sa = Server address | * @sa = Server address |
| * @pkt = RPC packet | * @pkt = RPC packet |
| * return: -1 error or !=-1 sended bytes | * return: -1 error, 0 EOF or >0 received bytes |
| */ | */ |
| 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, estlen, blen = sizeof(struct tagRPCCall), len = 0; | |
| u_char *buf; | u_char *buf; |
| sockaddr_t sa2; | |
| socklen_t salen; | |
| struct tagRPCCall *rpc; | struct tagRPCCall *rpc; |
| if (!pkt) { | if (!pkt) { |
| rpc_SetErr(EINVAL, "Invalid argument(s)!"); | rpc_SetErr(EINVAL, "Invalid argument(s)!"); |
| return -1; | return -1; |
| } else | } else { |
| buf = AIT_GET_BUF(pkt); | buf = AIT_GET_BUF(pkt); |
| rpc = (struct tagRPCCall*) buf; | |
| } | |
| /* 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 || | if (type == SOCK_STREAM) |
| pfd.revents & (POLLERR | POLLHUP | POLLNVAL)) { | ret = rpc_Read(sock, type, !estlen ? MSG_PEEK : 0, NULL, buf, blen); |
| if (ret) { | else |
| LOGERR; | ret = rpc_Read(sock, type, !estlen ? MSG_PEEK : 0, sa, buf, blen); |
| } else { | if (ret < 1) |
| if (len++ < 7) | return ret; |
| continue; | |
| else | |
| rpc_SetErr(ETIMEDOUT, | |
| "Timeout, no answer from RPC server"); | |
| } | |
| return -1; | |
| } | |
| payload: | |
| if (type == SOCK_STREAM) { | |
| memset(buf, 0, blen); | |
| ret = recv(sock, buf, blen, 0); | |
| /* handling case for reply without payload */ | |
| if (!ret && buf != AIT_GET_BUF(pkt)) | |
| return (buf - AIT_GET_BUF(pkt)); | |
| } else { | |
| blen = AIT_LEN(pkt); | |
| memset(buf, 0, blen); | |
| memset(&sa2, 0, sizeof sa2); | |
| salen = sa2.ss.ss_len = sizeof(sockaddr_t); | |
| ret = recvfrom(sock, buf, blen, 0, &sa2.sa, &salen); | |
| } | |
| if (ret < 1) { | |
| if (ret) { | |
| if (errno == EAGAIN) | |
| continue; | |
| else | |
| LOGERR; | |
| } | |
| 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)) { | |
| rpc_SetErr(ERPCMISMATCH, | |
| "Received RPC response from unknown address"); | |
| continue; | |
| } | |
| } else { | |
| /* 1st read for RPC header */ | /* 1st read for RPC header */ |
| if (buf == AIT_GET_BUF(pkt)) { | 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; | } |
| } | |
| /* calc estimated length */ | /* calc estimated length */ |
| rpc = (struct tagRPCCall*) buf; | estlen = ntohl(rpc->call_len); |
| estlen = ntohl(rpc->call_len); | if (estlen > AIT_LEN(pkt)) |
| if (estlen > AIT_LEN(pkt)) | AIT_RE_BUF(pkt, estlen); |
| AIT_RE_BUF(pkt, estlen); | buf = AIT_GET_BUF(pkt); |
| buf = AIT_GET_BUF(pkt) + blen; | rpc = (struct tagRPCCall*) buf; |
| blen = estlen - blen; | blen = estlen; |
| goto payload; | continue; |
| } else | |
| ret += sizeof(struct tagRPCCall); | |
| } | } |
| } while (0); | |
| if (ret < sizeof(struct tagRPCCall)) { | /* compiler optimize loop if while(0) and stop working 'continue' on some platforms */ |
| rpc_SetErr(ERPCMISMATCH, "Short RPC packet %d bytes", ret); | break; |
| } while (42); | |
| if (ret < sizeof(struct tagRPCCall) || estlen != ret) { | |
| rpc_SetErr(ERPCMISMATCH, "RPC packet mismatch estimate %d bytes, but received %d\n", | |
| estlen, ret); | |
| return -1; | return -1; |
| } | } |
| Line 453 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 564 rpc_pkt_Replay(ait_val_t * __restrict pkt, rpc_sess_t | Line 491 rpc_pkt_Replay(ait_val_t * __restrict pkt, rpc_sess_t |
| * @tag = Function tag for execution | * @tag = Function tag for execution |
| * @in_vars = IN function argument array of values, may be NULL | * @in_vars = IN function argument array of values, may be NULL |
| * @out_vars = OUT returned array of rpc values, if !=NULL must be free after use with ait_freeVars() | * @out_vars = OUT returned array of rpc values, if !=NULL must be free after use with ait_freeVars() |
| * return: -1 error or != -1 ok result | * return: -1 error, 0 ok result or 1 closed rpc connection |
| */ | */ |
| int | int |
| rpc_cli_execCall(rpc_cli_t *cli, int noreply, u_short tag, | rpc_cli_execCall(rpc_cli_t *cli, int noreply, u_short tag, |
| Line 587 rpc_cli_execCall(rpc_cli_t *cli, int noreply, u_short | Line 514 rpc_cli_execCall(rpc_cli_t *cli, int noreply, u_short |
| if ((wlen = rpc_pkt_Request(&cli->cli_buf, cli->cli_parent, tag, in_vars, noreply, type)) == -1) | if ((wlen = rpc_pkt_Request(&cli->cli_buf, cli->cli_parent, tag, in_vars, noreply, type)) == -1) |
| return -1; | return -1; |
| if (rpc_pkt_Send(cli->cli_sock, cli->cli_id, &cli->cli_sa, &cli->cli_buf, wlen) == -1) | if ((wlen = rpc_pkt_Send(cli->cli_sock, cli->cli_id, &cli->cli_sa, &cli->cli_buf, wlen)) == -1) |
| return -1; | return -1; |
| if (!wlen) /* closed rpc connection */ | |
| return 1; | |
| if (noreply) /* we not want reply */ | if (noreply) /* we not want reply */ |
| return 0; | return 0; |
| if (rpc_pkt_Receive(cli->cli_sock, cli->cli_id, &cli->cli_sa, &cli->cli_buf) == -1) | if ((wlen = rpc_pkt_Receive(cli->cli_sock, cli->cli_id, &cli->cli_sa, &cli->cli_buf)) == -1) |
| return -1; | return -1; |
| if (!wlen) /* closed rpc connection */ | |
| return 1; | |
| if ((wlen = rpc_pkt_Replay(&cli->cli_buf, cli->cli_parent, tag, out_vars, type)) == -1) | if ((wlen = rpc_pkt_Replay(&cli->cli_buf, cli->cli_parent, tag, out_vars, type)) == -1) |
| return -1; | return -1; |