version 1.4.2.6, 2011/09/06 23:39:37
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version 1.12.2.2, 2012/11/19 14:51:52
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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> |
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Copyright 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 | Copyright 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012 |
by Michael Pounov <misho@elwix.org>. All rights reserved. |
by Michael Pounov <misho@elwix.org>. All rights reserved. |
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Redistribution and use in source and binary forms, with or without |
Redistribution and use in source and binary forms, with or without |
Line 47 SUCH DAMAGE.
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Line 47 SUCH DAMAGE.
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/* |
/* |
* rpc_cli_openBLOBClient() Connect to BLOB Server | * rpc_cli_openBLOBClient() - Connect to BLOB Server |
| * |
* @rpccli = RPC Client session |
* @rpccli = RPC Client session |
* @Port = Port for bind server, if Port == 0 default port is selected |
* @Port = Port for bind server, if Port == 0 default port is selected |
* return: NULL == error or !=NULL connection to BLOB server established |
* return: NULL == error or !=NULL connection to BLOB server established |
Line 56 rpc_cli_t *
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Line 57 rpc_cli_t *
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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; |
struct sockaddr sa; |
|
struct sockaddr_in *sin = (struct sockaddr_in*) &sa; |
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struct sockaddr_in6 *sin6 = (struct sockaddr_in6*) &sa; |
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struct sockaddr_un *sun = (struct sockaddr_un*) &sa; |
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int n; |
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if (!rpccli || | if (!rpccli) { |
(rpccli->cli_sa.sa_family != AF_INET && rpccli->cli_sa.sa_family != AF_INET6 && | rpc_SetErr(EINVAL, "Invalid parameters can`t connect to BLOB server"); |
rpccli->cli_sa.sa_family != AF_LOCAL)) { | |
rpc_SetErr(EINVAL, "Error:: Invalid parameters can`t connect to BLOB server ...\n"); | |
return NULL; |
return NULL; |
} |
} |
if (!Port) |
|
Port = RPC_DEFPORT + 1; |
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cli = malloc(sizeof(rpc_cli_t)); | cli = io_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)); |
|
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memcpy(&sa, &rpccli->cli_sa, sizeof sa); | memcpy(&cli->cli_sa, &rpccli->cli_sa, sizeof(io_sockaddr_t)); |
switch (rpccli->cli_sa.sa_family) { | switch (cli->cli_sa.sa.sa_family) { |
case AF_INET: |
case AF_INET: |
sin->sin_port = htons(Port); | cli->cli_sa.sin.sin_port = |
memcpy(&cli->cli_sa, sin, sizeof(struct sockaddr)); | htons(Port ? Port : ntohs(cli->cli_sa.sin.sin_port) + 1); |
break; |
break; |
case AF_INET6: |
case AF_INET6: |
sin6->sin6_port = htons(Port); | cli->cli_sa.sin6.sin6_port = |
memcpy(&cli->cli_sa, sin6, sizeof(struct sockaddr)); | htons(Port ? Port : ntohs(cli->cli_sa.sin6.sin6_port) + 1); |
break; |
break; |
case AF_LOCAL: |
case AF_LOCAL: |
strlcat(sun->sun_path, ".blob", sizeof sun->sun_path); | strlcat(cli->cli_sa.sun.sun_path, ".blob", sizeof cli->cli_sa.sun.sun_path); |
memcpy(&cli->cli_sa, sun, sizeof(struct sockaddr)); | |
break; |
break; |
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default: |
|
rpc_SetErr(EINVAL, "Invalid socket type %d", cli->cli_sa.sa.sa_family); |
|
return NULL; |
} |
} |
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AIT_COPY_VAL(&cli->cli_buf, &rpccli->cli_buf); |
|
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/* connect to BLOB server */ |
/* connect to BLOB server */ |
cli->cli_sock = socket(cli->cli_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); | io_free(cli); |
return NULL; |
return NULL; |
} |
} |
n = cli->cli_netbuf; | 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, &n, sizeof n) == -1) { | |
LOGERR; |
LOGERR; |
close(cli->cli_sock); |
close(cli->cli_sock); |
free(cli); | io_free(cli); |
return NULL; |
return NULL; |
} | } else |
if (setsockopt(cli->cli_sock, SOL_SOCKET, SO_RCVBUF, &n, sizeof n) == -1) { | fcntl(cli->cli_sock, F_SETFL, fcntl(cli->cli_sock, F_GETFL) | O_NONBLOCK); |
LOGERR; | |
close(cli->cli_sock); | |
free(cli); | |
return NULL; | |
} | |
if (connect(cli->cli_sock, &cli->cli_sa, sizeof cli->cli_sa) == -1) { | |
LOGERR; | |
close(cli->cli_sock); | |
free(cli); | |
return NULL; | |
} | |
|
|
return cli; |
return cli; |
} |
} |
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/* |
/* |
* rpc_cli_closeBLOBClient() Close connection to BLOB server and free resources | * rpc_cli_closeBLOBClient() - Close connection to BLOB server and free resources |
| * |
* @cli = BLOB Client session |
* @cli = BLOB Client session |
* return: none |
* return: none |
*/ |
*/ |
void |
void |
rpc_cli_closeBLOBClient(rpc_cli_t * __restrict cli) | rpc_cli_closeBLOBClient(rpc_cli_t ** __restrict cli) |
{ |
{ |
if (!cli) { | if (!cli || !*cli) |
rpc_SetErr(EINVAL, "Error:: Can`t close connection because parameter is null!\n"); | |
return; |
return; |
} |
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shutdown(cli->cli_sock, SHUT_RDWR); | shutdown((*cli)->cli_sock, SHUT_RDWR); |
close(cli->cli_sock); | close((*cli)->cli_sock); |
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free(cli); | AIT_FREE_VAL(&(*cli)->cli_buf); |
cli = NULL; | |
| io_free(*cli); |
| *cli = NULL; |
} |
} |
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// -------------------------------------------------------------- | /* -------------------------------------------------------------- */ |
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/* |
/* |
* rpc_cli_openClient() Connect to RPC Server | * rpc_cli_openClient() - Connect to RPC Server |
| * |
* @ProgID = ProgramID for RPC session request |
* @ProgID = ProgramID for RPC session request |
* @ProcID = ProcessID for RPC session request |
* @ProcID = ProcessID for RPC session request |
* @netBuf = Network buffer length, if =0 == BUFSIZ (also meaning max RPC packet) | * @netBuf = Network buffer length (min:512 bytes), if =0 == BUFSIZ (also meaning max RPC packet) |
* @family = Family socket type, AF_INET or AF_INET6 | |
* @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_int ProcID, int netBuf, u_short family, const char *csHost, u_short Port) | rpc_cli_openClient(u_int ProgID, u_char ProcID, int netBuf, const char *csHost, |
| u_short Port, int proto) |
{ |
{ |
rpc_cli_t *cli = NULL; |
rpc_cli_t *cli = NULL; |
struct hostent *host = NULL; | io_sockaddr_t sa = IO_SOCKADDR_INIT; |
struct sockaddr sa; | |
struct sockaddr_in *sin = (struct sockaddr_in*) &sa; | |
struct sockaddr_in6 *sin6 = (struct sockaddr_in6*) &sa; | |
struct sockaddr_un *sun = (struct sockaddr_un*) &sa; | |
int n; | |
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if (!csHost || (family != AF_INET && family != AF_INET6 && family != AF_LOCAL)) { | if (!io_gethostbyname(csHost, Port, &sa)) |
rpc_SetErr(EINVAL, "Error:: Invalid parameters can`t connect to RPC server ...\n"); | |
return NULL; |
return NULL; |
} |
|
if (!Port) |
if (!Port) |
Port = RPC_DEFPORT; |
Port = RPC_DEFPORT; |
if (!netBuf) | if (!proto) |
| proto = SOCK_STREAM; |
| if (netBuf < RPC_MIN_BUFSIZ) |
netBuf = BUFSIZ; |
netBuf = BUFSIZ; |
if (csHost && family != AF_LOCAL) { | else |
host = gethostbyname2(csHost, family); | netBuf = io_align(netBuf, 2); /* align netBuf length */ |
if (!host) { | |
rpc_SetErr(h_errno, "Error:: %s\n", hstrerror(h_errno)); | |
return NULL; | |
} | |
} | |
memset(&sa, 0, sizeof sa); | |
sa.sa_family = family; | |
switch (family) { | |
case AF_INET: | |
sin->sin_len = sizeof(struct sockaddr_in); | |
sin->sin_port = htons(Port); | |
if (csHost) | |
memcpy(&sin->sin_addr, host->h_addr, host->h_length); | |
break; | |
case AF_INET6: | |
sin6->sin6_len = sizeof(struct sockaddr_in6); | |
sin6->sin6_port = htons(Port); | |
if (csHost) | |
memcpy(&sin6->sin6_addr, host->h_addr, host->h_length); | |
break; | |
case AF_LOCAL: | |
sun->sun_len = sizeof(struct sockaddr_un); | |
if (csHost) | |
strlcpy(sun->sun_path, csHost, sizeof sun->sun_path); | |
break; | |
default: | |
rpc_SetErr(EINVAL, "Error:: Invalid parameters can`t connect to RPC server ...\n"); | |
return NULL; | |
} | |
|
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cli = malloc(sizeof(rpc_cli_t)); | #ifdef HAVE_SRANDOMDEV |
| srandomdev(); |
| #else |
| time_t tim; |
| |
| srandom((time(&tim) ^ getpid())); |
| #endif |
| |
| cli = io_malloc(sizeof(rpc_cli_t)); |
if (!cli) { |
if (!cli) { |
LOGERR; |
LOGERR; |
return NULL; |
return NULL; |
} else |
} else |
memset(cli, 0, sizeof(rpc_cli_t)); |
memset(cli, 0, sizeof(rpc_cli_t)); |
|
|
cli->cli_netbuf = netBuf; | /* build session */ |
cli->cli_parent = malloc(sizeof(rpc_sess_t)); | cli->cli_parent = io_malloc(sizeof(rpc_sess_t)); |
if (!cli->cli_parent) { |
if (!cli->cli_parent) { |
LOGERR; |
LOGERR; |
free(cli); | io_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; |
Line 226 rpc_cli_openClient(u_int ProgID, u_int ProcID, int net
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Line 187 rpc_cli_openClient(u_int ProgID, u_int ProcID, int net
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((rpc_sess_t*) cli->cli_parent)->sess_process = ProcID; |
((rpc_sess_t*) cli->cli_parent)->sess_process = ProcID; |
} |
} |
|
|
switch (family) { | cli->cli_id = proto; |
case AF_INET: | memcpy(&cli->cli_sa, &sa, sizeof cli->cli_sa); |
memcpy(&cli->cli_sa, sin, sizeof cli->cli_sa); | AIT_SET_BUF2(&cli->cli_buf, 0, netBuf); |
break; | |
case AF_INET6: | |
memcpy(&cli->cli_sa, sin6, sizeof cli->cli_sa); | |
break; | |
case AF_LOCAL: | |
memcpy(&cli->cli_sa, sun, sizeof cli->cli_sa); | |
break; | |
} | |
|
|
/* connect to RPC server */ |
/* connect to RPC server */ |
cli->cli_sock = socket(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; |
free(cli->cli_parent); | AIT_FREE_VAL(&cli->cli_buf); |
free(cli); | io_free(cli->cli_parent); |
| io_free(cli); |
return NULL; |
return NULL; |
} |
} |
n = cli->cli_netbuf; | if (cli->cli_id == SOCK_STREAM) |
if (setsockopt(cli->cli_sock, SOL_SOCKET, SO_SNDBUF, &n, sizeof n) == -1) { | if (connect(cli->cli_sock, &cli->cli_sa.sa, cli->cli_sa.sa.sa_len) == -1) { |
LOGERR; | LOGERR; |
close(cli->cli_sock); | AIT_FREE_VAL(&cli->cli_buf); |
free(cli->cli_parent); | close(cli->cli_sock); |
free(cli); | io_free(cli->cli_parent); |
return NULL; | io_free(cli); |
} | return NULL; |
if (setsockopt(cli->cli_sock, SOL_SOCKET, SO_RCVBUF, &n, sizeof n) == -1) { | } |
LOGERR; | |
close(cli->cli_sock); | |
free(cli->cli_parent); | |
free(cli); | |
return NULL; | |
} | |
if (connect(cli->cli_sock, &cli->cli_sa, sizeof cli->cli_sa) == -1) { | |
LOGERR; | |
close(cli->cli_sock); | |
free(cli->cli_parent); | |
free(cli); | |
return NULL; | |
} | |
|
|
|
fcntl(cli->cli_sock, F_SETFL, fcntl(cli->cli_sock, F_GETFL) | O_NONBLOCK); |
return cli; |
return cli; |
} |
} |
|
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/* |
/* |
* rpc_cli_closeClient() Close connection to RPC server and free resources | * rpc_cli_closeClient() - Close connection to RPC server and free resources |
| * |
* @cli = RPC Client session |
* @cli = RPC Client session |
* return: none |
* return: none |
*/ |
*/ |
void |
void |
rpc_cli_closeClient(rpc_cli_t * __restrict cli) | rpc_cli_closeClient(rpc_cli_t ** __restrict cli) |
{ |
{ |
if (!cli) { | if (!cli || !*cli) |
rpc_SetErr(EINVAL, "Error:: Can`t close connection because parameter is null!\n"); | |
return; |
return; |
} |
|
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shutdown(cli->cli_sock, SHUT_RDWR); | if ((*cli)->cli_id == SOCK_STREAM) |
close(cli->cli_sock); | shutdown((*cli)->cli_sock, SHUT_RDWR); |
| close((*cli)->cli_sock); |
|
|
if (cli->cli_parent) | AIT_FREE_VAL(&(*cli)->cli_buf); |
free(cli->cli_parent); | |
free(cli); | if ((*cli)->cli_parent) |
cli = NULL; | io_free((*cli)->cli_parent); |
| |
| io_free(*cli); |
| *cli = NULL; |
} |
} |
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/* |
/* |
* rpc_cli_execCall() Execute RPC call | * rpc_cli_execCall() - Execute RPC call |
| * |
* @cli = RPC Client session |
* @cli = RPC Client session |
* @csModule = Module name, if NULL self binary | * @noreply = We not want RPC reply |
* @csFunc = Function name for execute | * @tag = Function tag for execution |
* @in_vars = IN RPC call array of rpc values | * @in_vars = IN RPC call array of rpc values, may be NULL |
* @out_vars = OUT returned array of rpc values, must be free after use with rpc_cli_freeVals() | * @out_vars = OUT returned array of rpc values, if !=NULL must be free after use with io_freeVars() |
* return: -1 error or != -1 ok result |
* return: -1 error or != -1 ok result |
*/ |
*/ |
int |
int |
rpc_cli_execCall(rpc_cli_t *cli, const char *csModule, const char *csFunc, | rpc_cli_execCall(rpc_cli_t *cli, int noreply, u_short tag, |
array_t * __restrict in_vars, array_t ** __restrict out_vars) |
array_t * __restrict in_vars, array_t ** __restrict out_vars) |
{ |
{ |
fd_set fds; |
|
u_char *buf, str[MAXPATHLEN + UCHAR_MAX + 1]; |
|
struct tagRPCCall *rpc; |
struct tagRPCCall *rpc; |
struct tagRPCRet *rrpc = NULL; | int ret = 0, wlen = sizeof(struct tagRPCCall); |
int ret = 0, Limit = 0; | uint16_t crc; |
struct timeval tv = { DEF_RPC_TIMEOUT, 0 }; | u_char *buf; |
| struct pollfd pfd; |
| io_sockaddr_t sa; |
| socklen_t salen; |
|
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if (!cli || !csFunc) { | if (!cli) { |
rpc_SetErr(EINVAL, "Error:: Can`t execute call because parameter is null or invalid!\n"); | rpc_SetErr(EINVAL, "Can`t execute call because parameter is null or invalid!"); |
return -1; |
return -1; |
} | } else |
| buf = AIT_GET_BUF(&cli->cli_buf); |
if (out_vars) |
if (out_vars) |
*out_vars = NULL; |
*out_vars = NULL; |
|
|
buf = malloc(cli->cli_netbuf); | memset(&sa, 0, sizeof sa); |
if (!buf) { | |
LOGERR; | |
return -1; | |
} else | |
memset(buf, 0, cli->cli_netbuf); | |
|
|
/* build RPC call string for hash */ |
|
memset(str, 0, sizeof str); |
|
if (csModule) |
|
strlcpy((char*) str, csModule, sizeof str); |
|
strlcat((char*) str, "__", sizeof str); |
|
strlcat((char*) str, csFunc, sizeof str); |
|
|
|
/* prepare RPC call */ |
/* prepare RPC call */ |
rpc = (struct tagRPCCall*) buf; |
rpc = (struct tagRPCCall*) buf; |
memcpy(&rpc->call_session, cli->cli_parent, sizeof rpc->call_session); | rpc_addPktSession(&rpc->call_session, cli->cli_parent); |
rpc->call_argc = in_vars ? io_arraySize(in_vars) : 0; | rpc->call_argc = htons(io_arraySize(in_vars)); |
rpc->call_tag = crcFletcher16((u_short*) str, sizeof str / 2); | rpc->call_tag = htons(tag); |
rpc->call_hash = hash_fnv((char*) str, sizeof str); | rpc->call_seq = htons(random() % USHRT_MAX); |
Limit = sizeof(struct tagRPCCall); | |
|
|
if (in_vars && io_arraySize(in_vars)) { | /* set reply */ |
| rpc->call_req.flags = noreply ? RPC_NOREPLY : RPC_REPLY; |
| |
| if (io_arraySize(in_vars)) { |
/* marshaling variables */ |
/* marshaling variables */ |
ret = io_vals2buffer(buf + Limit, cli->cli_netbuf - Limit, in_vars); | ret = io_vars2buffer(buf + wlen, AIT_LEN(&cli->cli_buf) - wlen, in_vars); |
if (ret == -1) { |
if (ret == -1) { |
rpc_SetErr(EBADRPC, "Error:: in prepare RPC packet values (-7) ...\n"); | rpc_SetErr(EBADRPC, "Failed to prepare RPC packet values"); |
free(buf); | return -1; |
return -7; | |
} else |
} else |
Limit += ret; | wlen += ret; |
} |
} |
|
|
if ((ret = send(cli->cli_sock, buf, Limit, 0)) == -1) { | /* total packet length */ |
LOGERR; | rpc->call_len = htons(wlen); |
free(buf); | |
| /* 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; |
| 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; |
return -1; |
} |
} |
if (ret != Limit) { | do { |
rpc_SetErr(EPROCUNAVAIL, "Error:: in send RPC request, should be send %d bytes, really is %d\n", | if (cli->cli_id == SOCK_STREAM) |
Limit, ret); | ret = send(cli->cli_sock, buf, wlen, MSG_NOSIGNAL); |
free(buf); | else |
return -9; | ret = sendto(cli->cli_sock, buf, wlen, MSG_NOSIGNAL, |
} | &cli->cli_sa.sa, cli->cli_sa.sa.sa_len); |
| if (ret == -1) { |
| if (errno == EAGAIN) |
| continue; |
| 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; |
| } |
| } while (0); |
|
|
|
if (noreply) /* we not want reply */ |
|
return 0; |
|
|
|
wlen = 0; |
/* reply from RPC server */ |
/* reply from RPC server */ |
FD_ZERO(&fds); | pfd.events = POLLIN | POLLPRI; |
FD_SET(cli->cli_sock, &fds); | do { |
if ((ret = select(cli->cli_sock + 1, &fds, NULL, NULL, &tv)) < 1) { | if ((ret = poll(&pfd, 1, DEF_RPC_TIMEOUT * 1000)) < 1 || |
if (ret) | pfd.revents & (POLLERR | POLLHUP | POLLNVAL)) { |
LOGERR; | if (ret) { |
| LOGERR; |
| } else { |
| if (wlen++ < 7) |
| continue; |
| else |
| rpc_SetErr(ETIMEDOUT, "Timeout, no answer from RPC server"); |
| } |
| |
| return -1; |
| } |
| |
| memset(buf, 0, AIT_LEN(&cli->cli_buf)); |
| if (cli->cli_id == SOCK_STREAM) |
| ret = recv(cli->cli_sock, buf, AIT_LEN(&cli->cli_buf), 0); |
else |
else |
rpc_SetErr(ETIMEDOUT, "Error:: timeout, no return from RPC server?\n"); | ret = recvfrom(cli->cli_sock, buf, AIT_LEN(&cli->cli_buf), 0, |
| &sa.sa, &salen); |
| if (ret < 1) { |
| if (ret) { |
| if (errno == EAGAIN) |
| continue; |
| else |
| LOGERR; |
| } |
| return -1; |
| } |
|
|
free(buf); | if (cli->cli_id == SOCK_DGRAM) { |
| /* check for response from known address */ |
| if (io_addrcmp(&cli->cli_sa, &sa, 42)) { |
| rpc_SetErr(ERPCMISMATCH, "Received RPC response from unknown address"); |
| continue; |
| } |
| } |
| } while (0); |
| if (ret < sizeof(struct tagRPCCall)) { |
| rpc_SetErr(ERPCMISMATCH, "Short RPC packet %d bytes", ret); |
return -1; |
return -1; |
} |
} |
memset(buf, 0, cli->cli_netbuf); | |
if ((ret = recv(cli->cli_sock, buf, cli->cli_netbuf, 0)) == -1) { | /* calculate CRC */ |
LOGERR; | crc = ntohs(rpc->call_crc); |
free(buf); | rpc->call_crc ^= rpc->call_crc; |
return -3; | if (crc != crcFletcher16((u_short*) buf, ntohs(rpc->call_len) / 2)) { |
| rpc_SetErr(ERPCMISMATCH, "Bad CRC RPC packet"); |
| return -1; |
} |
} |
if (!ret) { /* receive EOF! */ | |
free(buf); | |
return 0; | |
} | |
if (ret < sizeof(struct tagRPCRet)) { | |
rpc_SetErr(ERPCMISMATCH, "Error:: too short RPC packet ...\n"); | |
free(buf); | |
return -4; | |
} else | |
rrpc = (struct tagRPCRet*) buf; | |
/* check RPC packet session info */ |
/* check RPC packet session info */ |
if (memcmp(&rrpc->ret_session, cli->cli_parent, sizeof rrpc->ret_session)) { | if (rpc_chkPktSession(&rpc->call_session, cli->cli_parent)) { |
rpc_SetErr(ERPCMISMATCH, "Error:: get invalid RPC session ...\n"); | rpc_SetErr(ERPCMISMATCH, "Get invalid RPC session"); |
free(buf); | return -1; |
return -5; | |
} else |
} else |
Limit = sizeof(struct tagRPCRet); | wlen = sizeof(struct tagRPCCall); |
if (rrpc->ret_retcode < 0 && rrpc->ret_errno) { | if (ntohs(rpc->call_tag) != tag) { |
rpc_SetErr(rrpc->ret_errno, "Error::Server side: retcode=%d #%d %s\n", | rpc_SetErr(ERPCMISMATCH, "Get wrong RPC reply"); |
rrpc->ret_retcode, rrpc->ret_errno, strerror(rrpc->ret_errno)); | return -1; |
free(buf); | |
return -6; | |
} |
} |
if (rrpc->ret_argc * sizeof(ait_val_t) > cli->cli_netbuf - Limit) { | if (ntohl(rpc->call_rep.eno) && ntohl(rpc->call_rep.ret) == -1) { |
rpc_SetErr(EMSGSIZE, "Error:: reply RPC packet is too long ...\n"); | rpc_SetErr(ntohl(rpc->call_rep.eno), "Server side: retcode=%d #%d %s", |
free(buf); | ntohl(rpc->call_rep.ret), ntohl(rpc->call_rep.eno), |
return -7; | strerror(ntohl(rpc->call_rep.eno))); |
| return -1; |
} |
} |
|
if (ntohs(rpc->call_argc) * sizeof(ait_val_t) > AIT_LEN(&cli->cli_buf) - wlen) { |
|
rpc_SetErr(EMSGSIZE, "Reply RPC packet is too long ..."); |
|
return -1; |
|
} |
|
|
/* RPC is OK! Go de-marshaling variables ... */ |
/* RPC is OK! Go de-marshaling variables ... */ |
if (rrpc->ret_argc) { | if (out_vars && ntohs(rpc->call_argc)) { |
*out_vars = io_buffer2vals(buf + Limit, cli->cli_netbuf - Limit, rrpc->ret_argc, 0); | #ifdef CLI_RES_ZCOPY |
| *out_vars = io_buffer2vars(buf + wlen, AIT_LEN(&cli->cli_buf) - wlen, |
| ntohs(rpc->call_argc), 42); |
| #else |
| *out_vars = io_buffer2vars(buf + wlen, AIT_LEN(&cli->cli_buf) - wlen, |
| ntohs(rpc->call_argc), 0); |
| #endif |
if (!*out_vars) { |
if (!*out_vars) { |
free(buf); | rpc_SetErr(io_GetErrno(), "%s", io_GetError()); |
return -1; |
return -1; |
} |
} |
} |
} |
|
|
ret = rrpc->ret_retcode; | ret = ntohl(rpc->call_rep.ret); |
free(buf); | |
return ret; |
return ret; |
} |
} |
|
|
/* |
/* |
* rpc_cli_freeVals() Free ait_val_t array returned from RPC call | * rpc_cli_freeCall() - Free resouce allocated by RPC call |
* @vars = Variable array | * |
| * @out_vars = Returned array with variables from RPC call |
* return: none |
* return: none |
*/ |
*/ |
inline void |
inline void |
rpc_cli_freeVals(array_t ** __restrict vars) | rpc_cli_freeCall(array_t ** __restrict out_vars) |
{ |
{ |
register int i; | #ifdef CLI_RES_ZCOPY |
| io_arrayDestroy(out_vars); |
if (!vars || !*vars) | #else |
return; | io_freeVars(out_vars); |
| #endif |
for (i = 0; i < io_arraySize(*vars); i++) | |
if (io_arrayGet(*vars, i)) | |
AIT_FREE_VAL(io_array(*vars, i, ait_val_t*)); | |
| |
io_arrayFree(*vars); | |
io_arrayDestroy(vars); | |
} |
} |
|
|
/* |
/* |
* rpc_cli_allocVals() Allocate ait_val_t array for RPC call | * rpc_cli_ping() - Ping RPC server |
* @args = Number of arguments | * |
* return: =NULL error or !=NULL allocated array | * @cli = connected client |
| * return: -1 error or !=-1 ping seq id |
*/ |
*/ |
inline array_t * | inline int |
rpc_cli_allocVals(u_short args) | rpc_cli_ping(rpc_cli_t *cli) |
{ |
{ |
array_t *arr; | int ret = 0; |
register int i; | array_t *arr = NULL; |
ait_val_t *v; | |
|
|
if (!args) | if (!cli) |
return NULL; | return -1; |
|
|
if (!(arr = io_arrayInit(args))) | if (rpc_cli_execCall(cli, RPC_REPLY, CALL_SRVPING, NULL, &arr)) |
return NULL; | return -1; |
| else |
| ret = AIT_GET_U16(io_array(arr, 0, ait_val_t*)); |
| rpc_cli_freeCall(&arr); |
|
|
for (i = 0; i < io_arraySize(arr); i++) { | return ret; |
v = malloc(sizeof(ait_val_t)); | |
if (!v) { | |
LOGERR; | |
rpc_cli_freeVals(&arr); | |
return NULL; | |
} else { | |
memset(v, 0, sizeof(ait_val_t)); | |
io_arraySet(arr, i, v); | |
} | |
} | |
| |
return arr; | |
} |
} |