|
version 1.9.2.11, 2012/05/17 15:21:08
|
version 1.20.4.1, 2013/12/15 16:09:54
|
|
Line 12 terms:
|
Line 12 terms:
|
| 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, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012 | Copyright 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013 |
| 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 57 rpc_cli_t *
|
Line 57 rpc_cli_t *
|
| rpc_cli_openBLOBClient(rpc_cli_t * __restrict rpccli, u_short Port) |
rpc_cli_openBLOBClient(rpc_cli_t * __restrict rpccli, u_short Port) |
| { |
{ |
| rpc_cli_t *cli = NULL; |
rpc_cli_t *cli = NULL; |
| |
int n; |
| |
|
| if (!rpccli) { |
if (!rpccli) { |
| rpc_SetErr(EINVAL, "Invalid parameters can`t connect to BLOB server"); |
rpc_SetErr(EINVAL, "Invalid parameters can`t connect to BLOB server"); |
| return NULL; |
return NULL; |
| } |
} |
| |
|
| cli = malloc(sizeof(rpc_cli_t)); | cli = e_malloc(sizeof(rpc_cli_t)); |
| if (!cli) { |
if (!cli) { |
| LOGERR; |
LOGERR; |
| return NULL; |
return NULL; |
| } else |
} else |
| memcpy(cli, rpccli, sizeof(rpc_cli_t)); |
memcpy(cli, rpccli, sizeof(rpc_cli_t)); |
| |
|
| memcpy(&cli->cli_sa, &rpccli->cli_sa, sizeof(io_sockaddr_t)); | memcpy(&cli->cli_sa, &rpccli->cli_sa, sizeof(sockaddr_t)); |
| switch (cli->cli_sa.sa.sa_family) { |
switch (cli->cli_sa.sa.sa_family) { |
| case AF_INET: |
case AF_INET: |
| cli->cli_sa.sin.sin_port = |
cli->cli_sa.sin.sin_port = |
|
Line 89 rpc_cli_openBLOBClient(rpc_cli_t * __restrict rpccli,
|
Line 90 rpc_cli_openBLOBClient(rpc_cli_t * __restrict rpccli,
|
| } |
} |
| |
|
| AIT_COPY_VAL(&cli->cli_buf, &rpccli->cli_buf); |
AIT_COPY_VAL(&cli->cli_buf, &rpccli->cli_buf); |
| |
n = AIT_LEN(&cli->cli_buf); |
| |
|
| /* connect to BLOB server */ |
/* connect to BLOB server */ |
| cli->cli_sock = socket(cli->cli_sa.sa.sa_family, SOCK_STREAM, 0); |
cli->cli_sock = socket(cli->cli_sa.sa.sa_family, SOCK_STREAM, 0); |
| if (cli->cli_sock == -1) { |
if (cli->cli_sock == -1) { |
| LOGERR; |
LOGERR; |
| free(cli); | e_free(cli); |
| return NULL; |
return NULL; |
| } |
} |
| |
if (setsockopt(cli->cli_sock, SOL_SOCKET, SO_SNDBUF, &n, sizeof n) == -1) { |
| |
LOGERR; |
| |
close(cli->cli_sock); |
| |
e_free(cli); |
| |
return NULL; |
| |
} |
| |
if (setsockopt(cli->cli_sock, SOL_SOCKET, SO_RCVBUF, &n, sizeof n) == -1) { |
| |
LOGERR; |
| |
close(cli->cli_sock); |
| |
e_free(cli); |
| |
return NULL; |
| |
} |
| if (connect(cli->cli_sock, &cli->cli_sa.sa, cli->cli_sa.sa.sa_len) == -1) { |
if (connect(cli->cli_sock, &cli->cli_sa.sa, cli->cli_sa.sa.sa_len) == -1) { |
| LOGERR; |
LOGERR; |
| close(cli->cli_sock); |
close(cli->cli_sock); |
| free(cli); | e_free(cli); |
| return NULL; |
return NULL; |
| } else |
} else |
| fcntl(cli->cli_sock, F_SETFL, fcntl(cli->cli_sock, F_GETFL) | O_NONBLOCK); |
fcntl(cli->cli_sock, F_SETFL, fcntl(cli->cli_sock, F_GETFL) | O_NONBLOCK); |
|
Line 125 rpc_cli_closeBLOBClient(rpc_cli_t ** __restrict cli)
|
Line 139 rpc_cli_closeBLOBClient(rpc_cli_t ** __restrict cli)
|
| |
|
| AIT_FREE_VAL(&(*cli)->cli_buf); |
AIT_FREE_VAL(&(*cli)->cli_buf); |
| |
|
| free(*cli); | e_free(*cli); |
| *cli = NULL; |
*cli = NULL; |
| } |
} |
| |
|
|
Line 134 rpc_cli_closeBLOBClient(rpc_cli_t ** __restrict cli)
|
Line 148 rpc_cli_closeBLOBClient(rpc_cli_t ** __restrict cli)
|
| /* |
/* |
| * rpc_cli_openClient() - Connect to RPC Server |
* rpc_cli_openClient() - Connect to RPC Server |
| * |
* |
| * @ProgID = ProgramID for RPC session request | * @InstID = InstID for RPC session request |
| * @ProcID = ProcessID for RPC session request | |
| * @netBuf = Network buffer length (min:512 bytes), if =0 == BUFSIZ (also meaning max RPC packet) |
* @netBuf = Network buffer length (min:512 bytes), if =0 == BUFSIZ (also meaning max RPC packet) |
| * @csHost = Host name or IP address for bind server |
* @csHost = Host name or IP address for bind server |
| * @Port = Port for bind server, if Port == 0 default port is selected |
* @Port = Port for bind server, if Port == 0 default port is selected |
| |
* @proto = Protocol, if == 0 choose SOCK_STREAM |
| * return: NULL == error or !=NULL connection to RPC server established |
* return: NULL == error or !=NULL connection to RPC server established |
| */ |
*/ |
| rpc_cli_t * |
rpc_cli_t * |
| rpc_cli_openClient(u_int ProgID, u_char ProcID, int netBuf, const char *csHost, u_short Port) | rpc_cli_openClient(u_char InstID, int netBuf, const char *csHost, u_short Port, int proto) |
| { |
{ |
| rpc_cli_t *cli = NULL; |
rpc_cli_t *cli = NULL; |
| io_sockaddr_t sa; | sockaddr_t sa = E_SOCKADDR_INIT; |
| |
|
| if (!io_gethostbyname(csHost, Port, &sa)) | if (!e_gethostbyname(csHost, Port, &sa)) |
| return NULL; |
return NULL; |
| if (!Port) |
if (!Port) |
| Port = RPC_DEFPORT; |
Port = RPC_DEFPORT; |
| |
if (!proto) |
| |
proto = SOCK_STREAM; |
| if (netBuf < RPC_MIN_BUFSIZ) |
if (netBuf < RPC_MIN_BUFSIZ) |
| netBuf = BUFSIZ; |
netBuf = BUFSIZ; |
| else |
else |
| netBuf = io_align(netBuf, 1); /* align netBuf length */ | netBuf = E_ALIGN(netBuf, 2); /* align netBuf length */ |
| |
|
| #ifdef HAVE_SRANDOMDEV | cli = e_malloc(sizeof(rpc_cli_t)); |
| srandomdev(); | |
| #else | |
| time_t tim; | |
| |
| srandom((time(&tim) ^ getpid())); | |
| #endif | |
| |
| cli = malloc(sizeof(rpc_cli_t)); | |
| if (!cli) { |
if (!cli) { |
| LOGERR; |
LOGERR; |
| return NULL; |
return NULL; |
|
Line 172 rpc_cli_openClient(u_int ProgID, u_char ProcID, int ne
|
Line 180 rpc_cli_openClient(u_int ProgID, u_char ProcID, int ne
|
| memset(cli, 0, sizeof(rpc_cli_t)); |
memset(cli, 0, sizeof(rpc_cli_t)); |
| |
|
| /* build session */ |
/* build session */ |
| cli->cli_parent = malloc(sizeof(rpc_sess_t)); | cli->cli_parent = e_malloc(sizeof(rpc_sess_t)); |
| if (!cli->cli_parent) { |
if (!cli->cli_parent) { |
| LOGERR; |
LOGERR; |
| free(cli); | e_free(cli); |
| return NULL; |
return NULL; |
| } else { |
} else { |
| ((rpc_sess_t*) cli->cli_parent)->sess_version = RPC_VERSION; |
((rpc_sess_t*) cli->cli_parent)->sess_version = RPC_VERSION; |
| ((rpc_sess_t*) cli->cli_parent)->sess_program = ProgID; | ((rpc_sess_t*) cli->cli_parent)->sess_instance = InstID; |
| ((rpc_sess_t*) cli->cli_parent)->sess_process = ProcID; | |
| } |
} |
| |
|
| |
cli->cli_id = proto; |
| memcpy(&cli->cli_sa, &sa, sizeof cli->cli_sa); |
memcpy(&cli->cli_sa, &sa, sizeof cli->cli_sa); |
| AIT_SET_BUF2(&cli->cli_buf, 0, netBuf); | AIT_SET_BUFSIZ(&cli->cli_buf, 0, netBuf); |
| |
|
| /* connect to RPC server */ |
/* connect to RPC server */ |
| cli->cli_sock = socket(cli->cli_sa.sa.sa_family, SOCK_STREAM, 0); | cli->cli_sock = socket(cli->cli_sa.sa.sa_family, cli->cli_id, 0); |
| if (cli->cli_sock == -1) { |
if (cli->cli_sock == -1) { |
| LOGERR; |
LOGERR; |
| AIT_FREE_VAL(&cli->cli_buf); | goto err; |
| free(cli->cli_parent); | |
| free(cli); | |
| return NULL; | |
| } |
} |
| if (connect(cli->cli_sock, &cli->cli_sa.sa, cli->cli_sa.sa.sa_len) == -1) { | if (setsockopt(cli->cli_sock, SOL_SOCKET, SO_SNDBUF, |
| | &netBuf, sizeof netBuf) == -1) { |
| LOGERR; |
LOGERR; |
| AIT_FREE_VAL(&cli->cli_buf); | goto err; |
| close(cli->cli_sock); | } |
| free(cli->cli_parent); | if (setsockopt(cli->cli_sock, SOL_SOCKET, SO_RCVBUF, |
| free(cli); | &netBuf, sizeof netBuf) == -1) { |
| return NULL; | LOGERR; |
| } else | goto err; |
| fcntl(cli->cli_sock, F_SETFL, fcntl(cli->cli_sock, F_GETFL) | O_NONBLOCK); | } |
| | if (cli->cli_id == SOCK_STREAM) |
| | if (connect(cli->cli_sock, &cli->cli_sa.sa, cli->cli_sa.sa.sa_len) == -1) { |
| | LOGERR; |
| | goto err; |
| | } |
| |
|
| |
fcntl(cli->cli_sock, F_SETFL, fcntl(cli->cli_sock, F_GETFL) | O_NONBLOCK); |
| return cli; |
return cli; |
| |
err: |
| |
AIT_FREE_VAL(&cli->cli_buf); |
| |
if (cli->cli_sock > 2) |
| |
close(cli->cli_sock); |
| |
e_free(cli->cli_parent); |
| |
e_free(cli); |
| |
return NULL; |
| } |
} |
| |
|
| /* |
/* |
|
Line 220 rpc_cli_closeClient(rpc_cli_t ** __restrict cli)
|
Line 239 rpc_cli_closeClient(rpc_cli_t ** __restrict cli)
|
| if (!cli || !*cli) |
if (!cli || !*cli) |
| return; |
return; |
| |
|
| shutdown((*cli)->cli_sock, SHUT_RDWR); | if ((*cli)->cli_id == SOCK_STREAM) |
| | shutdown((*cli)->cli_sock, SHUT_RDWR); |
| close((*cli)->cli_sock); |
close((*cli)->cli_sock); |
| |
|
| AIT_FREE_VAL(&(*cli)->cli_buf); |
AIT_FREE_VAL(&(*cli)->cli_buf); |
| |
|
| if ((*cli)->cli_parent) |
if ((*cli)->cli_parent) |
| free((*cli)->cli_parent); | e_free((*cli)->cli_parent); |
| |
|
| free(*cli); | e_free(*cli); |
| *cli = NULL; |
*cli = NULL; |
| } |
} |
| |
|
| |
/* |
| |
* rpc_pkt_Send() - Send RPC packet |
| |
* |
| |
* @sock = Socket |
| |
* @type = Type of socket |
| |
* @sa = Server address |
| |
* @pkt = RPC packet |
| |
* @len = Length of packet |
| |
* return: -1 error, 0 EOF or >0 sended bytes |
| |
*/ |
| |
int |
| |
rpc_pkt_Send(int sock, int type, sockaddr_t * __restrict sa, ait_val_t * __restrict pkt, int len) |
| |
{ |
| |
u_char *buf; |
| |
|
| |
if (!pkt) { |
| |
rpc_SetErr(EINVAL, "Invalid argument(s)!"); |
| |
return -1; |
| |
} else |
| |
buf = AIT_GET_BUF(pkt); |
| |
|
| |
return rpc_Write(sock, type, MSG_NOSIGNAL, sa, buf, len); |
| |
} |
| |
|
| /* |
/* |
| * rpc_cli_execCall() - Execute RPC call | * rpc_pkt_Receive() - Receive RPC packet |
| * |
* |
| * @cli = RPC Client session | * @sock = Socket |
| * @noreply = We not want RPC reply | * @type = Type of socket |
| | * @sa = Server address |
| | * @pkt = RPC packet |
| | * return: -1 error, 0 EOF or >0 received bytes |
| | */ |
| | int |
| | rpc_pkt_Receive(int sock, int type, sockaddr_t * __restrict sa, ait_val_t * __restrict pkt) |
| | { |
| | int ret, estlen = 0, blen = sizeof(struct tagRPCCall); |
| | u_char *buf; |
| | struct tagRPCCall *rpc; |
| | |
| | if (!pkt) { |
| | rpc_SetErr(EINVAL, "Invalid argument(s)!"); |
| | return -1; |
| | } else { |
| | buf = AIT_GET_BUF(pkt); |
| | rpc = (struct tagRPCCall*) buf; |
| | } |
| | |
| | /* reply from RPC server */ |
| | do { |
| | if (type == SOCK_STREAM) |
| | ret = rpc_Read(sock, type, !estlen ? MSG_PEEK : 0, NULL, buf, blen); |
| | else |
| | ret = rpc_Read(sock, type, !estlen ? MSG_PEEK : 0, sa, buf, blen); |
| | if (ret < 1) |
| | return ret; |
| | |
| | /* check for response from known address */ |
| | if (!estlen) { |
| | /* 1st read for RPC header */ |
| | if (ret < sizeof(struct tagRPCCall)) { |
| | rpc_SetErr(ERPCMISMATCH, "Short RPC packet %d bytes", ret); |
| | return -1; |
| | } |
| | |
| | /* calc estimated length */ |
| | estlen = ntohl(rpc->call_len); |
| | if (estlen > AIT_LEN(pkt)) |
| | AIT_RE_BUF(pkt, estlen); |
| | buf = AIT_GET_BUF(pkt); |
| | rpc = (struct tagRPCCall*) buf; |
| | blen = estlen; |
| | continue; |
| | } |
| | |
| | /* compiler optimize loop if while(0) and stop working 'continue' on some platforms */ |
| | 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 ret; |
| | } |
| | |
| | /* |
| | * rpc_pkt_Request() - Build RPC Request packet |
| | * |
| | * @pkt = Packet buffer |
| | * @sess = RPC session info |
| * @tag = Function tag for execution |
* @tag = Function tag for execution |
| * @in_vars = IN RPC call array of rpc values, may be NULL | * @vars = Function argument array of values, may be NULL |
| * @out_vars = OUT returned array of rpc values, if !=NULL must be free after use with io_freeVars() | * @noreply = We not want RPC reply |
| * return: -1 error or != -1 ok result | * @nocrc = Without CRC calculation |
| | * return: -1 error or != -1 prepared bytes into packet |
| */ |
*/ |
| int |
int |
| rpc_cli_execCall(rpc_cli_t *cli, int noreply, u_short tag, | rpc_pkt_Request(ait_val_t * __restrict pkt, rpc_sess_t * __restrict sess, u_short tag, |
| array_t * __restrict in_vars, array_t ** __restrict out_vars) | array_t * __restrict vars, int noreply, int nocrc) |
| { |
{ |
| struct tagRPCCall *rpc; |
struct tagRPCCall *rpc; |
| int ret = 0, wlen = sizeof(struct tagRPCCall); | int ret = 0, estlen, len = sizeof(struct tagRPCCall); |
| uint16_t crc; | |
| u_char *buf; |
u_char *buf; |
| struct pollfd pfd; |
|
| |
|
| if (!cli) { | if (!pkt || !sess) { |
| rpc_SetErr(EINVAL, "Can`t execute call because parameter is null or invalid!"); | rpc_SetErr(EINVAL, "Invalid argument(s)!"); |
| return -1; |
return -1; |
| } else | } |
| buf = AIT_GET_BUF(&cli->cli_buf); | |
| if (out_vars) | |
| *out_vars = NULL; | |
| |
|
| |
/* 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, cli->cli_parent); | rpc_addPktSession(&rpc->call_session, sess); |
| rpc->call_argc = htons(io_arraySize(in_vars)); | |
| rpc->call_tag = htons(tag); |
rpc->call_tag = htons(tag); |
| rpc->call_seq = htons(random() % USHRT_MAX); | if (!vars) |
| | rpc->call_argc = 0; |
| | else |
| | 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 (io_arraySize(in_vars)) { | if (array_Size(vars)) { |
| /* marshaling variables */ |
/* marshaling variables */ |
| ret = io_vars2buffer(buf + wlen, AIT_LEN(&cli->cli_buf) - wlen, in_vars); | ret = ait_vars2buffer(buf + len, AIT_LEN(pkt) - len, vars); |
| if (ret == -1) { |
if (ret == -1) { |
| rpc_SetErr(EBADRPC, "Failed to prepare RPC packet values"); |
rpc_SetErr(EBADRPC, "Failed to prepare RPC packet values"); |
| return -1; |
return -1; |
| } else |
} else |
| wlen += ret; | len += ret; |
| } |
} |
| |
|
| /* total packet length */ |
/* total packet length */ |
| rpc->call_len = htons(wlen); | rpc->call_len = htonl(len); |
| |
|
| /* calculate CRC */ | if (!nocrc) { |
| rpc->call_crc ^= rpc->call_crc; | /* calculate CRC */ |
| rpc->call_crc = htons(crcFletcher16((u_short*) buf, wlen / 2)); | rpc->call_crc ^= rpc->call_crc; |
| rpc->call_crc = htons(crcFletcher16((u_short*) buf, len / 2)); |
| if ((ret = send(cli->cli_sock, buf, wlen, MSG_NOSIGNAL)) == -1) { | |
| LOGERR; | |
| return -1; | |
| } else if (ret != wlen) { | |
| rpc_SetErr(EPROCUNAVAIL, "RPC request, should be send %d bytes, " | |
| "really sended %d bytes", wlen, ret); | |
| return -1; | |
| } |
} |
| |
|
| if (noreply) /* we not want reply */ | return len; |
| return 0; | } |
| |
|
| /* reply from RPC server */ | /* |
| pfd.fd = cli->cli_sock; | * rpc_pkt_Replay() - Decode RPC Replay packet |
| pfd.events = POLLIN | POLLPRI; | * |
| if ((ret = poll(&pfd, 1, DEF_RPC_TIMEOUT * 1000)) == -1 || | * @pkt = Packet buffer |
| pfd.revents & (POLLERR | POLLHUP | POLLNVAL)) { | * @sess = RPC session info |
| if (ret) | * @tag = Function tag |
| LOGERR; | * @vars = Function argument array of values, may be NULL |
| else | * @nocrc = Without CRC calculation |
| rpc_SetErr(ETIMEDOUT, "Timeout, no answer from RPC server"); | * return: -1 error or != -1 return value from function |
| | */ |
| | int |
| | rpc_pkt_Replay(ait_val_t * __restrict pkt, rpc_sess_t * __restrict sess, u_short tag, |
| | array_t ** __restrict vars, int nocrc) |
| | { |
| | struct tagRPCCall *rpc; |
| | int len; |
| | u_char *buf; |
| | uint16_t crc; |
| |
|
| |
if (!pkt || !sess) { |
| |
rpc_SetErr(EINVAL, "Invalid argument(s)!"); |
| return -1; |
return -1; |
| } | } else |
| memset(buf, 0, AIT_LEN(&cli->cli_buf)); | buf = AIT_GET_BUF(pkt); |
| if ((ret = recv(cli->cli_sock, buf, AIT_LEN(&cli->cli_buf), 0)) < 1) { | |
| if (ret) | |
| LOGERR; | |
| return -1; | |
| } | |
| if (ret < sizeof(struct tagRPCCall)) { | |
| rpc_SetErr(ERPCMISMATCH, "Short RPC packet"); | |
| return -1; | |
| } | |
| |
|
| /* calculate CRC */ | rpc = (struct tagRPCCall*) buf; |
| crc = ntohs(rpc->call_crc); | if (!nocrc) { |
| rpc->call_crc ^= rpc->call_crc; | /* calculate CRC */ |
| if (crc != crcFletcher16((u_short*) buf, ret / 2)) { | crc = ntohs(rpc->call_crc); |
| rpc_SetErr(ERPCMISMATCH, "Bad CRC RPC packet"); | rpc->call_crc ^= rpc->call_crc; |
| return -1; | if (crc != crcFletcher16((u_short*) buf, ntohl(rpc->call_len) / 2)) { |
| | rpc_SetErr(ERPCMISMATCH, "Bad CRC RPC packet"); |
| | return -1; |
| | } |
| } |
} |
| |
|
| /* check RPC packet session info */ |
/* check RPC packet session info */ |
| if (rpc_chkPktSession(&rpc->call_session, cli->cli_parent)) { | if (rpc_chkPktSession(&rpc->call_session, sess)) { |
| rpc_SetErr(ERPCMISMATCH, "Get invalid RPC session"); |
rpc_SetErr(ERPCMISMATCH, "Get invalid RPC session"); |
| return -1; |
return -1; |
| } else | } |
| wlen = sizeof(struct tagRPCCall); | |
| if (ntohs(rpc->call_tag) != tag) { |
if (ntohs(rpc->call_tag) != tag) { |
| rpc_SetErr(ERPCMISMATCH, "Get wrong RPC reply"); |
rpc_SetErr(ERPCMISMATCH, "Get wrong RPC reply"); |
| return -1; |
return -1; |
|
Line 347 rpc_cli_execCall(rpc_cli_t *cli, int noreply, u_short
|
Line 455 rpc_cli_execCall(rpc_cli_t *cli, int noreply, u_short
|
| strerror(ntohl(rpc->call_rep.eno))); |
strerror(ntohl(rpc->call_rep.eno))); |
| return -1; |
return -1; |
| } |
} |
| if (ntohs(rpc->call_argc) * sizeof(ait_val_t) > AIT_LEN(&cli->cli_buf) - wlen) { | len = ntohs(rpc->call_argc) * sizeof(ait_val_t); |
| rpc_SetErr(EMSGSIZE, "Reply RPC packet is too long ..."); | if (len > AIT_LEN(pkt) - sizeof(struct tagRPCCall)) { |
| | rpc_SetErr(EMSGSIZE, "Reply RPC packet not enough buffer space ..."); |
| return -1; |
return -1; |
| } |
} |
| |
if (len > ntohl(rpc->call_len) - sizeof(struct tagRPCCall)) { |
| |
rpc_SetErr(EMSGSIZE, "Reply RPC packet is too short ..."); |
| |
return -1; |
| |
} |
| |
|
| /* RPC is OK! Go de-marshaling variables ... */ |
/* RPC is OK! Go de-marshaling variables ... */ |
| if (out_vars && ntohs(rpc->call_argc)) { | if (vars && ntohs(rpc->call_argc)) { |
| *out_vars = io_buffer2vars(buf + wlen, AIT_LEN(&cli->cli_buf) - wlen, | #ifdef CLI_RES_ZCOPY |
| | *vars = ait_buffer2vars(buf + sizeof(struct tagRPCCall), len, |
| | ntohs(rpc->call_argc), 42); |
| | #else |
| | *vars = ait_buffer2vars(buf + sizeof(struct tagRPCCall), len, |
| ntohs(rpc->call_argc), 0); |
ntohs(rpc->call_argc), 0); |
| if (!*out_vars) { | #endif |
| rpc_SetErr(io_GetErrno(), "%s", io_GetError()); | if (!*vars) { |
| | rpc_SetErr(elwix_GetErrno(), "%s", elwix_GetError()); |
| return -1; |
return -1; |
| } |
} |
| } |
} |
| |
|
| ret = ntohl(rpc->call_rep.ret); | return ntohl(rpc->call_rep.ret); |
| return ret; | |
| } |
} |
| |
|
| /* |
/* |
| |
* rpc_cli_execCall() - Execute RPC call |
| |
* |
| |
* @cli = RPC Client session |
| |
* @noreply = We not want RPC reply |
| |
* @tag = Function tag for execution |
| |
* @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() |
| |
* return: -1 error, 0 ok result or 1 closed rpc connection |
| |
*/ |
| |
int |
| |
rpc_cli_execCall(rpc_cli_t *cli, int noreply, u_short tag, |
| |
array_t * __restrict in_vars, array_t ** __restrict out_vars) |
| |
{ |
| |
int type = 0, wlen; |
| |
u_char *buf; |
| |
|
| |
if (!cli) { |
| |
rpc_SetErr(EINVAL, "Can`t execute call because parameter is null or invalid!"); |
| |
return -1; |
| |
} else { |
| |
if (cli->cli_id == SOCK_STREAM) |
| |
type = cli->cli_id; |
| |
buf = AIT_GET_BUF(&cli->cli_buf); |
| |
} |
| |
if (out_vars) |
| |
*out_vars = NULL; |
| |
|
| |
if ((wlen = rpc_pkt_Request(&cli->cli_buf, cli->cli_parent, tag, in_vars, noreply, type)) == -1) |
| |
return -1; |
| |
|
| |
if ((wlen = rpc_pkt_Send(cli->cli_sock, cli->cli_id, &cli->cli_sa, &cli->cli_buf, wlen)) == -1) |
| |
return -1; |
| |
if (!wlen) /* closed rpc connection */ |
| |
return 1; |
| |
|
| |
if (noreply) /* we not want reply */ |
| |
return 0; |
| |
|
| |
if ((wlen = rpc_pkt_Receive(cli->cli_sock, cli->cli_id, &cli->cli_sa, &cli->cli_buf)) == -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) |
| |
return -1; |
| |
|
| |
return 0; |
| |
} |
| |
|
| |
/* |
| |
* rpc_cli_freeCall() - Free resouce allocated by RPC call |
| |
* |
| |
* @out_vars = Returned array with variables from RPC call |
| |
* return: none |
| |
*/ |
| |
void |
| |
rpc_cli_freeCall(array_t ** __restrict out_vars) |
| |
{ |
| |
#ifdef CLI_RES_ZCOPY |
| |
array_Destroy(out_vars); |
| |
#else |
| |
ait_freeVars(out_vars); |
| |
#endif |
| |
} |
| |
|
| |
/* |
| * rpc_cli_ping() - Ping RPC server |
* rpc_cli_ping() - Ping RPC server |
| * |
* |
| * @cli = connected client |
* @cli = connected client |
| * return: -1 error or !=-1 ping seq id |
* return: -1 error or !=-1 ping seq id |
| */ |
*/ |
| inline int | int |
| rpc_cli_ping(rpc_cli_t *cli) |
rpc_cli_ping(rpc_cli_t *cli) |
| { |
{ |
| array_t *arr; |
|
| int ret = 0; |
int ret = 0; |
| |
array_t *arr = NULL; |
| |
|
| if (!cli) |
if (!cli) |
| return -1; |
return -1; |
|
Line 384 rpc_cli_ping(rpc_cli_t *cli)
|
Line 567 rpc_cli_ping(rpc_cli_t *cli)
|
| if (rpc_cli_execCall(cli, RPC_REPLY, CALL_SRVPING, NULL, &arr)) |
if (rpc_cli_execCall(cli, RPC_REPLY, CALL_SRVPING, NULL, &arr)) |
| return -1; |
return -1; |
| else |
else |
| ret = AIT_GET_U16(io_getVars(arr, 0)); | ret = AIT_GET_U16(array(arr, 0, ait_val_t*)); |
| io_freeVars(&arr); | rpc_cli_freeCall(&arr); |
| |
|
| return ret; |
return ret; |
| } |
} |