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version 1.12.2.1, 2012/11/19 12:43:21
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version 1.16.8.1, 2013/08/21 22:34:18
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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, 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 = io_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; |
| io_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); |
| io_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); |
| |
|
| io_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 |
|
Line 143 rpc_cli_closeBLOBClient(rpc_cli_t ** __restrict cli)
|
Line 156 rpc_cli_closeBLOBClient(rpc_cli_t ** __restrict cli)
|
| * 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, | rpc_cli_openClient(u_char InstID, int netBuf, const char *csHost, u_short Port, int proto) |
| u_short Port, int proto) | |
| { |
{ |
| rpc_cli_t *cli = NULL; |
rpc_cli_t *cli = NULL; |
| io_sockaddr_t sa = IO_SOCKADDR_INIT; | 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; |
|
Line 158 rpc_cli_openClient(u_int ProgID, u_char ProcID, int ne
|
Line 170 rpc_cli_openClient(u_int ProgID, u_char ProcID, int ne
|
| if (netBuf < RPC_MIN_BUFSIZ) |
if (netBuf < RPC_MIN_BUFSIZ) |
| netBuf = BUFSIZ; |
netBuf = BUFSIZ; |
| else |
else |
| netBuf = io_align(netBuf, 2); /* align netBuf length */ | netBuf = E_ALIGN(netBuf, 2); /* align netBuf length */ |
| |
|
| #ifdef HAVE_SRANDOMDEV |
#ifdef HAVE_SRANDOMDEV |
| srandomdev(); |
srandomdev(); |
|
Line 168 rpc_cli_openClient(u_int ProgID, u_char ProcID, int ne
|
Line 180 rpc_cli_openClient(u_int ProgID, u_char ProcID, int ne
|
| srandom((time(&tim) ^ getpid())); |
srandom((time(&tim) ^ getpid())); |
| #endif |
#endif |
| |
|
| cli = io_malloc(sizeof(rpc_cli_t)); | cli = e_malloc(sizeof(rpc_cli_t)); |
| if (!cli) { |
if (!cli) { |
| LOGERR; |
LOGERR; |
| return NULL; |
return NULL; |
|
Line 176 rpc_cli_openClient(u_int ProgID, u_char ProcID, int ne
|
Line 188 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 = io_malloc(sizeof(rpc_sess_t)); | cli->cli_parent = e_malloc(sizeof(rpc_sess_t)); |
| if (!cli->cli_parent) { |
if (!cli->cli_parent) { |
| LOGERR; |
LOGERR; |
| io_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; |
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, cli->cli_id, 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; |
| io_free(cli->cli_parent); | |
| io_free(cli); | |
| return NULL; | |
| } |
} |
| |
if (setsockopt(cli->cli_sock, SOL_SOCKET, SO_SNDBUF, |
| |
&netBuf, sizeof netBuf) == -1) { |
| |
LOGERR; |
| |
goto err; |
| |
} |
| |
if (setsockopt(cli->cli_sock, SOL_SOCKET, SO_RCVBUF, |
| |
&netBuf, sizeof netBuf) == -1) { |
| |
LOGERR; |
| |
goto err; |
| |
} |
| if (cli->cli_id == SOCK_STREAM) |
if (cli->cli_id == SOCK_STREAM) |
| 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; |
| AIT_FREE_VAL(&cli->cli_buf); | goto err; |
| close(cli->cli_sock); | |
| io_free(cli->cli_parent); | |
| io_free(cli); | |
| return NULL; | |
| } |
} |
| |
|
| 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); |
| 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 233 rpc_cli_closeClient(rpc_cli_t ** __restrict cli)
|
Line 254 rpc_cli_closeClient(rpc_cli_t ** __restrict cli)
|
| AIT_FREE_VAL(&(*cli)->cli_buf); |
AIT_FREE_VAL(&(*cli)->cli_buf); |
| |
|
| if ((*cli)->cli_parent) |
if ((*cli)->cli_parent) |
| io_free((*cli)->cli_parent); | e_free((*cli)->cli_parent); |
| |
|
| io_free(*cli); | e_free(*cli); |
| *cli = NULL; |
*cli = NULL; |
| } |
} |
| |
|
| |
|
| /* |
/* |
| * rpc_cli_execCall() - Execute RPC call | * rpc_pkt_Send() - Send RPC packet |
| * |
* |
| * @cli = RPC Client session | * @sock = Socket |
| * @noreply = We not want RPC reply | * @type = Type of socket |
| * @tag = Function tag for execution | * @sa = Server address |
| * @in_vars = IN RPC call array of rpc values, may be NULL | * @pkt = RPC packet |
| * @out_vars = OUT returned array of rpc values, if !=NULL must be free after use with io_freeVars() | * @len = Length of packet |
| * return: -1 error or != -1 ok result | * return: -1 error or !=-1 sended bytes |
| */ |
*/ |
| int |
int |
| rpc_cli_execCall(rpc_cli_t *cli, int noreply, u_short tag, | rpc_pkt_Send(int sock, int type, sockaddr_t * __restrict sa, ait_val_t * __restrict pkt, int len) |
| array_t * __restrict in_vars, array_t ** __restrict out_vars) | |
| { |
{ |
| struct tagRPCCall *rpc; |
|
| int ret = 0, wlen = sizeof(struct tagRPCCall); |
|
| uint16_t crc; |
|
| u_char *buf; |
|
| struct pollfd pfd; |
struct pollfd pfd; |
| io_sockaddr_t sa; | int ret; |
| socklen_t salen; | u_char *buf; |
| |
|
| if (!cli) { | if (!pkt) { |
| rpc_SetErr(EINVAL, "Can`t execute call because parameter is null or invalid!"); | rpc_SetErr(EINVAL, "Invalid argument(s)!"); |
| return -1; |
return -1; |
| } else |
} else |
| buf = AIT_GET_BUF(&cli->cli_buf); | buf = AIT_GET_BUF(pkt); |
| if (out_vars) | |
| *out_vars = NULL; | |
| |
|
| /* prepare RPC call */ | pfd.fd = sock; |
| rpc = (struct tagRPCCall*) buf; | |
| rpc_addPktSession(&rpc->call_session, cli->cli_parent); | |
| rpc->call_argc = htons(io_arraySize(in_vars)); | |
| rpc->call_tag = htons(tag); | |
| rpc->call_seq = htons(random() % USHRT_MAX); | |
| |
| /* set reply */ | |
| rpc->call_req.flags = noreply ? RPC_NOREPLY : RPC_REPLY; | |
| |
| if (io_arraySize(in_vars)) { | |
| /* marshaling variables */ | |
| ret = io_vars2buffer(buf + wlen, AIT_LEN(&cli->cli_buf) - wlen, in_vars); | |
| if (ret == -1) { | |
| rpc_SetErr(EBADRPC, "Failed to prepare RPC packet values"); | |
| return -1; | |
| } else | |
| wlen += ret; | |
| } | |
| |
| /* total packet length */ | |
| rpc->call_len = htons(wlen); | |
| |
| /* calculate CRC */ | |
| rpc->call_crc ^= rpc->call_crc; | |
| rpc->call_crc = htons(crcFletcher16((u_short*) buf, wlen / 2)); | |
| |
| pfd.fd = cli->cli_sock; | |
| pfd.events = POLLOUT; |
pfd.events = POLLOUT; |
| if ((ret = poll(&pfd, 1, DEF_RPC_TIMEOUT * 1000)) < 1 || |
if ((ret = poll(&pfd, 1, DEF_RPC_TIMEOUT * 1000)) < 1 || |
| pfd.revents & (POLLERR | POLLHUP | POLLNVAL)) { |
pfd.revents & (POLLERR | POLLHUP | POLLNVAL)) { |
|
Line 308 rpc_cli_execCall(rpc_cli_t *cli, int noreply, u_short
|
Line 294 rpc_cli_execCall(rpc_cli_t *cli, int noreply, u_short
|
| return -1; |
return -1; |
| } |
} |
| do { |
do { |
| if (cli->cli_id == SOCK_STREAM) | if (type == SOCK_STREAM) |
| ret = send(cli->cli_sock, buf, wlen, MSG_NOSIGNAL); | ret = send(sock, buf, len, MSG_NOSIGNAL); |
| else | else if (sa) |
| ret = sendto(cli->cli_sock, buf, wlen, MSG_NOSIGNAL, | ret = sendto(sock, buf, len, MSG_NOSIGNAL, &sa->sa, sa->sa.sa_len); |
| &cli->cli_sa.sa, cli->cli_sa.sa.sa_len); | else { |
| | rpc_SetErr(EINVAL, "Invalid argument(s)!"); |
| | return -1; |
| | } |
| if (ret == -1) { |
if (ret == -1) { |
| if (errno == EAGAIN) |
if (errno == EAGAIN) |
| continue; |
continue; |
| LOGERR; |
LOGERR; |
| return -1; |
return -1; |
| } else if (ret != wlen) { | } else if (ret != len) { |
| rpc_SetErr(EPROCUNAVAIL, "RPC request, should be send %d bytes, " |
rpc_SetErr(EPROCUNAVAIL, "RPC request, should be send %d bytes, " |
| "really sended %d bytes", wlen, ret); | "really sended %d bytes", len, ret); |
| return -1; |
return -1; |
| } |
} |
| } while (0); |
} while (0); |
| |
|
| if (noreply) /* we not want reply */ | return ret; |
| return 0; | } |
| |
|
| wlen = 0; | /* |
| | * rpc_pkt_Receive() - Receive RPC packet |
| | * |
| | * @sock = Socket |
| | * @type = Type of socket |
| | * @sa = Server address |
| | * @pkt = RPC packet |
| | * return: -1 error or !=-1 sended bytes |
| | */ |
| | int |
| | rpc_pkt_Receive(int sock, int type, sockaddr_t * __restrict sa, ait_val_t * __restrict pkt) |
| | { |
| | struct pollfd pfd; |
| | int ret, len = 0; |
| | u_char *buf; |
| | sockaddr_t sa2; |
| | socklen_t salen; |
| | |
| | if (!pkt) { |
| | rpc_SetErr(EINVAL, "Invalid argument(s)!"); |
| | return -1; |
| | } else |
| | buf = AIT_GET_BUF(pkt); |
| | |
| /* reply from RPC server */ |
/* reply from RPC server */ |
| |
pfd.fd = sock; |
| pfd.events = POLLIN | POLLPRI; |
pfd.events = POLLIN | POLLPRI; |
| do { |
do { |
| if ((ret = poll(&pfd, 1, DEF_RPC_TIMEOUT * 1000)) < 1 || |
if ((ret = poll(&pfd, 1, DEF_RPC_TIMEOUT * 1000)) < 1 || |
| pfd.revents & (POLLERR | POLLHUP | POLLNVAL)) { |
pfd.revents & (POLLERR | POLLHUP | POLLNVAL)) { |
| if (ret) | if (ret) { |
| LOGERR; |
LOGERR; |
| else { | } else { |
| if (wlen++ < 7) | if (len++ < 7) |
| continue; |
continue; |
| else |
else |
| rpc_SetErr(ETIMEDOUT, "Timeout, no answer from RPC server"); | rpc_SetErr(ETIMEDOUT, |
| | "Timeout, no answer from RPC server"); |
| } |
} |
| |
|
| return -1; |
return -1; |
| } |
} |
| } while (0); | |
| do { | memset(buf, 0, AIT_LEN(pkt)); |
| memset(buf, 0, AIT_LEN(&cli->cli_buf)); | if (type == SOCK_STREAM) |
| if (cli->cli_id == SOCK_STREAM) | ret = recv(sock, buf, AIT_LEN(pkt), 0); |
| ret = recv(cli->cli_sock, buf, AIT_LEN(&cli->cli_buf), 0); | else { |
| else | memset(&sa2, 0, sizeof sa2); |
| ret = recvfrom(cli->cli_sock, buf, AIT_LEN(&cli->cli_buf), 0, | salen = sa2.ss.ss_len = sizeof(sockaddr_t); |
| &sa.sa, &salen); | ret = recvfrom(sock, buf, AIT_LEN(pkt), 0, &sa2.sa, &salen); |
| | } |
| if (ret < 1) { |
if (ret < 1) { |
| if (ret) { |
if (ret) { |
| if (errno == EAGAIN) |
if (errno == EAGAIN) |
|
Line 361 rpc_cli_execCall(rpc_cli_t *cli, int noreply, u_short
|
Line 377 rpc_cli_execCall(rpc_cli_t *cli, int noreply, u_short
|
| } |
} |
| return -1; |
return -1; |
| } |
} |
| |
|
| /* check for response from known address */ |
/* check for response from known address */ |
| if (io_addrcmp(&cli->cli_sa, &sa, 42)) { | if (type == SOCK_DGRAM) |
| rpc_SetErr(ERPCMISMATCH, "Received RPC response from unknown address"); | if (e_addrcmp(sa, &sa2, 42)) { |
| continue; | rpc_SetErr(ERPCMISMATCH, |
| } | "Received RPC response from unknown address"); |
| | continue; |
| | } |
| } while (0); |
} while (0); |
| 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; |
| } |
} |
| |
|
| /* calculate CRC */ | return ret; |
| crc = ntohs(rpc->call_crc); | } |
| rpc->call_crc ^= rpc->call_crc; | |
| if (crc != crcFletcher16((u_short*) buf, ntohs(rpc->call_len) / 2)) { | /* |
| rpc_SetErr(ERPCMISMATCH, "Bad CRC RPC packet"); | * rpc_pkt_Request() - Build RPC Request packet |
| | * |
| | * @pkt = Packet buffer |
| | * @sess = RPC session info |
| | * @tag = Function tag for execution |
| | * @vars = Function argument array of values, may be NULL |
| | * @noreply = We not want RPC reply |
| | * @nocrc = Without CRC calculation |
| | * return: -1 error or != -1 prepared bytes into packet |
| | */ |
| | int |
| | rpc_pkt_Request(ait_val_t * __restrict pkt, rpc_sess_t * __restrict sess, u_short tag, |
| | array_t * __restrict vars, int noreply, int nocrc) |
| | { |
| | struct tagRPCCall *rpc; |
| | int ret = 0, len = sizeof(struct tagRPCCall); |
| | u_char *buf; |
| | |
| | if (!pkt || !sess) { |
| | rpc_SetErr(EINVAL, "Invalid argument(s)!"); |
| return -1; |
return -1; |
| |
} else |
| |
buf = AIT_GET_BUF(pkt); |
| |
|
| |
/* prepare RPC call */ |
| |
rpc = (struct tagRPCCall*) buf; |
| |
rpc_addPktSession(&rpc->call_session, sess); |
| |
rpc->call_tag = htons(tag); |
| |
if (!vars) |
| |
rpc->call_argc = 0; |
| |
else |
| |
rpc->call_argc = htons(array_Size(vars)); |
| |
|
| |
/* set reply */ |
| |
rpc->call_req.flags = noreply ? RPC_NOREPLY : RPC_REPLY; |
| |
|
| |
if (array_Size(vars)) { |
| |
/* marshaling variables */ |
| |
ret = ait_vars2buffer(buf + len, AIT_LEN(pkt) - len, vars); |
| |
if (ret == -1) { |
| |
rpc_SetErr(EBADRPC, "Failed to prepare RPC packet values"); |
| |
return -1; |
| |
} else |
| |
len += ret; |
| } |
} |
| |
|
| |
/* total packet length */ |
| |
rpc->call_len = htons(len); |
| |
|
| |
if (!nocrc) { |
| |
/* calculate CRC */ |
| |
rpc->call_crc ^= rpc->call_crc; |
| |
rpc->call_crc = htons(crcFletcher16((u_short*) buf, len / 2)); |
| |
} |
| |
|
| |
return len; |
| |
} |
| |
|
| |
/* |
| |
* rpc_pkt_Replay() - Decode RPC Replay packet |
| |
* |
| |
* @pkt = Packet buffer |
| |
* @sess = RPC session info |
| |
* @tag = Function tag |
| |
* @vars = Function argument array of values, may be NULL |
| |
* @nocrc = Without CRC calculation |
| |
* 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; |
| |
} else |
| |
buf = AIT_GET_BUF(pkt); |
| |
|
| |
rpc = (struct tagRPCCall*) buf; |
| |
if (!nocrc) { |
| |
/* calculate CRC */ |
| |
crc = ntohs(rpc->call_crc); |
| |
rpc->call_crc ^= rpc->call_crc; |
| |
if (crc != crcFletcher16((u_short*) buf, ntohs(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 396 rpc_cli_execCall(rpc_cli_t *cli, int noreply, u_short
|
Line 504 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 > ntohs(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)) { |
| #ifdef CLI_RES_ZCOPY |
#ifdef CLI_RES_ZCOPY |
| *out_vars = io_buffer2vars(buf + wlen, AIT_LEN(&cli->cli_buf) - wlen, | *vars = ait_buffer2vars(buf + sizeof(struct tagRPCCall), len, |
| ntohs(rpc->call_argc), 42); |
ntohs(rpc->call_argc), 42); |
| #else |
#else |
| *out_vars = io_buffer2vars(buf + wlen, AIT_LEN(&cli->cli_buf) - wlen, | *vars = ait_buffer2vars(buf + sizeof(struct tagRPCCall), len, |
| ntohs(rpc->call_argc), 0); |
ntohs(rpc->call_argc), 0); |
| #endif |
#endif |
| if (!*out_vars) { | if (!*vars) { |
| rpc_SetErr(io_GetErrno(), "%s", io_GetError()); | 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 or != -1 ok result |
| |
*/ |
| |
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 (rpc_pkt_Send(cli->cli_sock, cli->cli_id, &cli->cli_sa, &cli->cli_buf, wlen) == -1) |
| |
return -1; |
| |
|
| |
if (noreply) /* we not want reply */ |
| |
return 0; |
| |
|
| |
if (rpc_pkt_Receive(cli->cli_sock, cli->cli_id, &cli->cli_sa, &cli->cli_buf) == -1) |
| |
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 |
* rpc_cli_freeCall() - Free resouce allocated by RPC call |
| * |
* |
| * @out_vars = Returned array with variables from RPC call |
* @out_vars = Returned array with variables from RPC call |
| * return: none |
* return: none |
| */ |
*/ |
| inline void | void |
| rpc_cli_freeCall(array_t ** __restrict out_vars) |
rpc_cli_freeCall(array_t ** __restrict out_vars) |
| { |
{ |
| #ifdef CLI_RES_ZCOPY |
#ifdef CLI_RES_ZCOPY |
| io_arrayDestroy(out_vars); | array_Destroy(out_vars); |
| #else |
#else |
| io_freeVars(out_vars); | ait_freeVars(out_vars); |
| #endif |
#endif |
| } |
} |
| |
|
|
Line 442 rpc_cli_freeCall(array_t ** __restrict out_vars)
|
Line 600 rpc_cli_freeCall(array_t ** __restrict out_vars)
|
| * @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) |
| { |
{ |
| int ret = 0; |
int ret = 0; |
|
Line 454 rpc_cli_ping(rpc_cli_t *cli)
|
Line 612 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_array(arr, 0, ait_val_t*)); | ret = AIT_GET_U16(array(arr, 0, ait_val_t*)); |
| rpc_cli_freeCall(&arr); |
rpc_cli_freeCall(&arr); |
| |
|
| return ret; |
return ret; |