version 1.18.2.1, 2013/09/05 00:27:10
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version 1.22.6.5, 2014/12/19 02:12:49
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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, 2012, 2013 | Copyright 2004 - 2014 |
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 228 err:
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Line 228 err:
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} |
} |
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/* |
/* |
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* rpc_cli_reconnectClient() - Reconnecting client to RPC server |
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* |
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* @cli = RPC Client session |
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* return: -1 error or 0 ok |
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*/ |
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int |
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rpc_cli_reconnectClient(rpc_cli_t * __restrict cli) |
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{ |
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int netBuf; |
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if (!cli) |
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return -1; |
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else |
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netBuf = AIT_LEN(&cli->cli_buf); |
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close(cli->cli_sock); |
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cli->cli_sock = socket(cli->cli_sa.sa.sa_family, cli->cli_id, 0); |
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if (cli->cli_sock == -1) { |
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LOGERR; |
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return -1; |
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} |
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if (setsockopt(cli->cli_sock, SOL_SOCKET, SO_SNDBUF, |
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&netBuf, sizeof netBuf) == -1) { |
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LOGERR; |
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close(cli->cli_sock); |
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return -1; |
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} |
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if (setsockopt(cli->cli_sock, SOL_SOCKET, SO_RCVBUF, |
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&netBuf, sizeof netBuf) == -1) { |
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LOGERR; |
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close(cli->cli_sock); |
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return -1; |
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} |
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if (cli->cli_id == SOCK_STREAM) |
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if (connect(cli->cli_sock, &cli->cli_sa.sa, cli->cli_sa.sa.sa_len) == -1) { |
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LOGERR; |
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close(cli->cli_sock); |
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return -1; |
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} |
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fcntl(cli->cli_sock, F_SETFL, fcntl(cli->cli_sock, F_GETFL) | O_NONBLOCK); |
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return 0; |
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} |
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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 |
Line 236 err:
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Line 282 err:
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void |
void |
rpc_cli_closeClient(rpc_cli_t ** __restrict cli) |
rpc_cli_closeClient(rpc_cli_t ** __restrict cli) |
{ |
{ |
if (!cli || !*cli) | if (!cli || !*cli || (*cli)->cli_id == SOCK_BPF) |
return; |
return; |
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if ((*cli)->cli_id == SOCK_STREAM) |
if ((*cli)->cli_id == SOCK_STREAM) |
Line 260 rpc_cli_closeClient(rpc_cli_t ** __restrict cli)
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Line 306 rpc_cli_closeClient(rpc_cli_t ** __restrict cli)
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* @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) |
Line 283 rpc_pkt_Send(int sock, int type, sockaddr_t * __restri
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Line 329 rpc_pkt_Send(int sock, int type, sockaddr_t * __restri
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* @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) |
Line 295 rpc_pkt_Receive(int sock, int type, sockaddr_t * __res
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Line 341 rpc_pkt_Receive(int sock, int type, sockaddr_t * __res
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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); |
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rpc = (struct tagRPCCall*) buf; |
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} |
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/* reply from RPC server */ |
/* reply from RPC server */ |
do { |
do { |
if (type == SOCK_STREAM) |
if (type == SOCK_STREAM) |
ret = rpc_Read(sock, type, !estlen ? MSG_PEEK : 0, NULL, buf, blen); |
ret = rpc_Read(sock, type, !estlen ? MSG_PEEK : 0, NULL, buf, blen); |
else | else if (type == SOCK_BPF) { |
ret = rpc_Read(sock, type, 0, sa, buf, AIT_LEN(pkt)); | ret = rpc_Read(sock, type, 0, sa, AIT_GET_BUF(pkt), AIT_LEN(pkt)); |
if (ret < 1) { | if (ret > 0) |
LOGERR; | estlen = ret; |
return -1; | } else |
} | ret = rpc_Read(sock, type, !estlen ? MSG_PEEK : 0, sa, buf, blen); |
| if (ret < 1) |
| return ret; |
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/* check for response from known address */ |
/* check for response from known address */ |
if (type == SOCK_STREAM && !estlen) { | if (!estlen) { |
/* 1st read for RPC header */ |
/* 1st read for RPC header */ |
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); |
Line 318 rpc_pkt_Receive(int sock, int type, sockaddr_t * __res
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Line 368 rpc_pkt_Receive(int sock, int type, sockaddr_t * __res
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} |
} |
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/* calc estimated length */ |
/* calc estimated length */ |
rpc = (struct tagRPCCall*) buf; |
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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 = estlen; |
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rpc = (struct tagRPCCall*) buf; |
rpc = (struct tagRPCCall*) buf; |
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blen = estlen; |
continue; |
continue; |
} |
} |
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Line 332 rpc_pkt_Receive(int sock, int type, sockaddr_t * __res
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Line 381 rpc_pkt_Receive(int sock, int type, sockaddr_t * __res
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break; |
break; |
} while (42); |
} while (42); |
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if (ret < sizeof(struct tagRPCCall)) { | if (ret < sizeof(struct tagRPCCall) || estlen != ret) { |
rpc_SetErr(ERPCMISMATCH, "Short RPC packet %d bytes", ret); | rpc_SetErr(ERPCMISMATCH, "RPC packet mismatch estimate %d bytes, but received %d\n", |
| estlen, ret); |
return -1; |
return -1; |
} |
} |
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Line 408 rpc_pkt_Request(ait_val_t * __restrict pkt, rpc_sess_t
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Line 458 rpc_pkt_Request(ait_val_t * __restrict pkt, rpc_sess_t
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* rpc_pkt_Replay() - Decode RPC Replay packet |
* rpc_pkt_Replay() - Decode RPC Replay packet |
* |
* |
* @pkt = Packet buffer |
* @pkt = Packet buffer |
* @sess = RPC session info | * @sess = RPC session info, if =NULL don't check session |
* @tag = Function tag |
* @tag = Function tag |
* @vars = Function argument array of values, may be NULL |
* @vars = Function argument array of values, may be NULL |
* @nocrc = Without CRC calculation |
* @nocrc = Without CRC calculation |
Line 423 rpc_pkt_Replay(ait_val_t * __restrict pkt, rpc_sess_t
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Line 473 rpc_pkt_Replay(ait_val_t * __restrict pkt, rpc_sess_t
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u_char *buf; |
u_char *buf; |
uint16_t crc; |
uint16_t crc; |
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if (!pkt || !sess) { | if (!pkt) { |
rpc_SetErr(EINVAL, "Invalid argument(s)!"); |
rpc_SetErr(EINVAL, "Invalid argument(s)!"); |
return -1; |
return -1; |
} else |
} else |
Line 441 rpc_pkt_Replay(ait_val_t * __restrict pkt, rpc_sess_t
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Line 491 rpc_pkt_Replay(ait_val_t * __restrict pkt, rpc_sess_t
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} |
} |
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/* check RPC packet session info */ |
/* check RPC packet session info */ |
if (rpc_chkPktSession(&rpc->call_session, sess)) { | if (sess && rpc_chkPktSession(&rpc->call_session, sess)) { |
rpc_SetErr(ERPCMISMATCH, "Get invalid RPC session"); |
rpc_SetErr(ERPCMISMATCH, "Get invalid RPC session"); |
return -1; |
return -1; |
} |
} |
Line 491 rpc_pkt_Replay(ait_val_t * __restrict pkt, rpc_sess_t
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Line 541 rpc_pkt_Replay(ait_val_t * __restrict pkt, rpc_sess_t
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* @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 514 rpc_cli_execCall(rpc_cli_t *cli, int noreply, u_short
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Line 564 rpc_cli_execCall(rpc_cli_t *cli, int noreply, u_short
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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; |
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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; |
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if (!wlen) /* closed rpc connection */ |
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return 1; |
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if (noreply) /* we not want reply */ |
if (noreply) /* we not want reply */ |
return 0; |
return 0; |
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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; |
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if (!wlen) /* closed rpc connection */ |
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return 1; |
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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; |
Line 567 rpc_cli_ping(rpc_cli_t *cli)
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Line 621 rpc_cli_ping(rpc_cli_t *cli)
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rpc_cli_freeCall(&arr); |
rpc_cli_freeCall(&arr); |
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return ret; |
return ret; |
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} |
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/* |
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* rpc_cli_openClient2() - Connect to layer2 RPC Server |
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* |
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* @InstID = InstID for RPC session request |
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* @netBuf = Network buffer length (min:512 bytes), if =0 == BUFSIZ (also meaning max RPC packet) |
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* @csIface = Interface name for bind client, if NULL first interface on host |
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* @csHost = Host ethernet address |
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* return: NULL == error or !=NULL connection to RPC server established |
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*/ |
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rpc_cli_t * |
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rpc_cli_openClient2(u_char InstID, int netBuf, const char *csIface, const char *csHost) |
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{ |
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rpc_cli_t *cli = NULL; |
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sockaddr_t sa = E_SOCKADDR_INIT, sal = E_SOCKADDR_INIT; |
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char szIface[64], szStr[STRSIZ]; |
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register int i; |
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struct ifreq ifr; |
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int n = 1; |
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struct bpf_insn insns[] = { |
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BPF_STMT(BPF_LD + BPF_H + BPF_ABS, 12), |
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BPF_JUMP(BPF_JMP + BPF_JEQ + BPF_K, RPC_DEFPORT, 0, 1), |
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BPF_STMT(BPF_RET + BPF_K, -1), |
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BPF_STMT(BPF_RET + BPF_K, 0), |
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}; |
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struct bpf_program fcode = { |
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.bf_len = sizeof(insns) / sizeof(struct bpf_insn), |
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.bf_insns = insns |
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}; |
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if (!csHost || !e_getlinkbyname(csHost, &sa)) |
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return NULL; |
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if (!csIface) { |
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if (e_get1stiface(szIface, sizeof szIface)) |
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return NULL; |
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} else |
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strlcpy(szIface, csIface, sizeof szIface); |
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if (!e_getifacebyname(szIface, &sal)) |
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return NULL; |
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cli = e_malloc(sizeof(rpc_cli_t)); |
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if (!cli) { |
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LOGERR; |
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return NULL; |
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} else |
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memset(cli, 0, sizeof(rpc_cli_t)); |
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/* build session */ |
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cli->cli_parent = e_malloc(sizeof(rpc_sess_t)); |
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if (!cli->cli_parent) { |
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LOGERR; |
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e_free(cli); |
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return NULL; |
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} else { |
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((rpc_sess_t*) cli->cli_parent)->sess_version = RPC_VERSION; |
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((rpc_sess_t*) cli->cli_parent)->sess_instance = InstID; |
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} |
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cli->cli_id = SOCK_BPF; |
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memcpy(&cli->cli_sa, &sa, sizeof cli->cli_sa); |
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/* connect to RPC server */ |
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for (i = 0; i < 10; i++) { |
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memset(szStr, 0, sizeof szStr); |
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snprintf(szStr, sizeof szStr, "/dev/bpf%d", i); |
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cli->cli_sock = open(szStr, O_RDWR); |
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if (cli->cli_sock > STDERR_FILENO) |
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break; |
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} |
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if (cli->cli_sock < 3) { |
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LOGERR; |
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e_free(cli->cli_parent); |
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e_free(cli); |
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return NULL; |
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} |
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if (ioctl(cli->cli_sock, BIOCIMMEDIATE, &n) == -1) { |
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LOGERR; |
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goto err; |
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} |
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if (ioctl(cli->cli_sock, BIOCSETF, &fcode) == -1) { |
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LOGERR; |
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goto err; |
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} |
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n = (netBuf < RPC_MIN_BUFSIZ) ? getpagesize() : E_ALIGN(netBuf, 2); |
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if (ioctl(cli->cli_sock, BIOCSBLEN, &n) == -1) { |
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LOGERR; |
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goto err; |
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} else |
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AIT_SET_BUFSIZ(&cli->cli_buf, 0, n); |
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memset(&ifr, 0, sizeof ifr); |
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strlcpy(ifr.ifr_name, szIface, sizeof ifr.ifr_name); |
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if (ioctl(cli->cli_sock, BIOCSETIF, &ifr) == -1) { |
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LOGERR; |
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goto err; |
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} else |
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fcntl(cli->cli_sock, F_SETFL, |
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fcntl(cli->cli_sock, F_GETFL) | O_NONBLOCK); |
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return cli; |
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err: |
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AIT_FREE_VAL(&cli->cli_buf); |
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if (cli->cli_sock > 2) |
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close(cli->cli_sock); |
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e_free(cli->cli_parent); |
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e_free(cli); |
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return NULL; |
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} |
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/* |
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* rpc_cli_closeClient2() - Close layer2 connection to RPC server and free resources |
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* |
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* @cli = RPC Client session |
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* return: none |
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*/ |
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void |
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rpc_cli_closeClient2(rpc_cli_t ** __restrict cli) |
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{ |
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if (!cli || !*cli || (*cli)->cli_id != SOCK_BPF) |
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return; |
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close((*cli)->cli_sock); |
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AIT_FREE_VAL(&(*cli)->cli_buf); |
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if ((*cli)->cli_parent) |
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e_free((*cli)->cli_parent); |
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e_free(*cli); |
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*cli = NULL; |
} |
} |