|
version 1.21.2.2, 2013/11/14 23:38:41
|
version 1.26.2.2, 2015/06/24 22:39:32
|
|
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, 2013 | Copyright 2004 - 2015 |
| 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 58 static void *rxUDPPacket(sched_task_t *);
|
Line 58 static void *rxUDPPacket(sched_task_t *);
|
| static void *txUDPPacket(sched_task_t *); |
static void *txUDPPacket(sched_task_t *); |
| |
|
| /* SOCK_RAW */ |
/* SOCK_RAW */ |
| |
static void *rxRAWPacket(sched_task_t *); |
| |
static void *txRAWPacket(sched_task_t *); |
| |
|
| static sched_task_func_t cbProto[SOCK_RAW + 1][4] = { | /* SOCK_BPF */ |
| | static void *rxBPFPacket(sched_task_t *); |
| | static void *txBPFPacket(sched_task_t *); |
| | |
| | /* SOCK_EXT */ |
| | static void *rxEXTPacket(sched_task_t *); |
| | static void *txEXTPacket(sched_task_t *); |
| | |
| | static sched_task_func_t cbProto[SOCK_MAX_SUPPORT][4] = { |
| { acceptClients, closeClient, rxPacket, txPacket }, /* SOCK_STREAM */ |
{ acceptClients, closeClient, rxPacket, txPacket }, /* SOCK_STREAM */ |
| { acceptClients, closeClient, rxPacket, txPacket }, /* SOCK_STREAM */ |
{ acceptClients, closeClient, rxPacket, txPacket }, /* SOCK_STREAM */ |
| { rxUDPPacket, freeClient, rxUDPPacket, txUDPPacket }, /* SOCK_DGRAM */ |
{ rxUDPPacket, freeClient, rxUDPPacket, txUDPPacket }, /* SOCK_DGRAM */ |
| { NULL, NULL, NULL, NULL } /* SOCK_RAW */ | { rxRAWPacket, freeClient, rxRAWPacket, txRAWPacket }, /* SOCK_RAW */ |
| | { rxBPFPacket, freeClient, rxBPFPacket, txBPFPacket }, /* SOCK_BPF */ |
| | { rxEXTPacket, freeClient, rxEXTPacket, txEXTPacket } /* SOCK_EXT */ |
| }; |
}; |
| |
|
| |
/* Global Signal Argument when kqueue support disabled */ |
| |
|
| |
static volatile uintptr_t _glSigArg = 0; |
| |
|
| |
|
| void |
void |
| rpc_freeCli(rpc_cli_t * __restrict c) |
rpc_freeCli(rpc_cli_t * __restrict c) |
| { |
{ |
|
Line 107 _allocClient(rpc_srv_t * __restrict srv, sockaddr_t *
|
Line 123 _allocClient(rpc_srv_t * __restrict srv, sockaddr_t *
|
| rpc_cli_t *c = NULL; |
rpc_cli_t *c = NULL; |
| int n; |
int n; |
| |
|
| n = _check4freeslot(srv, sa); | if (srv->srv_proto != SOCK_EXT) |
| | n = _check4freeslot(srv, sa); |
| | else |
| | n = 0; |
| if (n == -1) |
if (n == -1) |
| return NULL; |
return NULL; |
| else |
else |
|
Line 189 txPacket(sched_task_t *task)
|
Line 208 txPacket(sched_task_t *task)
|
| buf = AIT_GET_BUF(&c->cli_buf); |
buf = AIT_GET_BUF(&c->cli_buf); |
| rpc = (struct tagRPCCall*) buf; |
rpc = (struct tagRPCCall*) buf; |
| |
|
| rpc->call_argc = htons(array_Size(RPC_RETVARS(c))); | rpc->call_argc = (u_char) array_Size(RPC_RETVARS(c)); |
| /* Go Encapsulate variables */ |
/* Go Encapsulate variables */ |
| ret = ait_vars2buffer(buf + wlen, AIT_LEN(&c->cli_buf) - wlen, |
ret = ait_vars2buffer(buf + wlen, AIT_LEN(&c->cli_buf) - wlen, |
| RPC_RETVARS(c)); |
RPC_RETVARS(c)); |
|
Line 207 txPacket(sched_task_t *task)
|
Line 226 txPacket(sched_task_t *task)
|
| } |
} |
| |
|
| rpc->call_len = htonl(wlen); |
rpc->call_len = htonl(wlen); |
| |
rpc->call_io = RPC_ACK; |
| |
|
| #if 0 |
#if 0 |
| /* calculate CRC */ |
/* calculate CRC */ |
|
Line 223 txPacket(sched_task_t *task)
|
Line 243 txPacket(sched_task_t *task)
|
| if (ret) |
if (ret) |
| LOGERR; |
LOGERR; |
| else |
else |
| rpc_SetErr(ETIMEDOUT, "Timeout reached! Server not respond"); | rpc_SetErr(ETIMEDOUT, "Timeout reached! Client not respond"); |
| /* close connection */ |
/* close connection */ |
| schedEvent(TASK_ROOT(task), cbProto[s->srv_proto][CB_CLOSECLIENT], |
schedEvent(TASK_ROOT(task), cbProto[s->srv_proto][CB_CLOSECLIENT], |
| TASK_ARG(task), 0, NULL, 0); |
TASK_ARG(task), 0, NULL, 0); |
|
Line 250 execCall(sched_task_t *task)
|
Line 270 execCall(sched_task_t *task)
|
| array_t *arr = NULL; |
array_t *arr = NULL; |
| u_char *buf = AIT_GET_BUF(&c->cli_buf); |
u_char *buf = AIT_GET_BUF(&c->cli_buf); |
| struct tagRPCCall *rpc = (struct tagRPCCall*) buf; |
struct tagRPCCall *rpc = (struct tagRPCCall*) buf; |
| int argc = ntohs(rpc->call_argc); | int argc = rpc->call_argc; |
| |
|
| /* Go decapsulate variables ... */ |
/* Go decapsulate variables ... */ |
| if (argc) { |
if (argc) { |
|
Line 291 execCall(sched_task_t *task)
|
Line 311 execCall(sched_task_t *task)
|
| rpc->call_argc ^= rpc->call_argc; |
rpc->call_argc ^= rpc->call_argc; |
| } else { |
} else { |
| /* reply */ |
/* reply */ |
| rpc->call_argc = htons(array_Size(RPC_RETVARS(c))); | rpc->call_argc = (u_char) array_Size(RPC_RETVARS(c)); |
| } |
} |
| } |
} |
| } |
} |
|
Line 346 rxPacket(sched_task_t *task)
|
Line 366 rxPacket(sched_task_t *task)
|
| if (rlen) |
if (rlen) |
| LOGERR; |
LOGERR; |
| else |
else |
| rpc_SetErr(ETIMEDOUT, "Timeout reached! Server not respond"); | rpc_SetErr(ETIMEDOUT, "Timeout reached! Client not respond"); |
| schedEvent(TASK_ROOT(task), cbProto[s->srv_proto][CB_CLOSECLIENT], |
schedEvent(TASK_ROOT(task), cbProto[s->srv_proto][CB_CLOSECLIENT], |
| TASK_ARG(task), 0, NULL, 0); |
TASK_ARG(task), 0, NULL, 0); |
| return NULL; |
return NULL; |
|
Line 361 rxPacket(sched_task_t *task)
|
Line 381 rxPacket(sched_task_t *task)
|
| } |
} |
| len = estlen; |
len = estlen; |
| |
|
| |
/* skip loop packet */ |
| |
if (rpc->call_io & RPC_ACK) { |
| |
schedReadSelf(task); |
| |
return NULL; |
| |
} |
| |
|
| #if 0 |
#if 0 |
| /* check integrity of packet */ |
/* check integrity of packet */ |
| crc = ntohs(rpc->call_crc); |
crc = ntohs(rpc->call_crc); |
|
Line 448 txUDPPacket(sched_task_t *task)
|
Line 474 txUDPPacket(sched_task_t *task)
|
| rpc_func_t *f = NULL; |
rpc_func_t *f = NULL; |
| u_char *buf = AIT_GET_BUF(&c->cli_buf); |
u_char *buf = AIT_GET_BUF(&c->cli_buf); |
| struct tagRPCCall *rpc = (struct tagRPCCall*) buf; |
struct tagRPCCall *rpc = (struct tagRPCCall*) buf; |
| int ret, wlen = sizeof(struct tagRPCCall); | int ret, estlen, wlen = sizeof(struct tagRPCCall); |
| struct timespec ts = { DEF_RPC_TIMEOUT, 0 }; |
struct timespec ts = { DEF_RPC_TIMEOUT, 0 }; |
| struct pollfd pfd; |
struct pollfd pfd; |
| |
|
|
Line 464 txUDPPacket(sched_task_t *task)
|
Line 490 txUDPPacket(sched_task_t *task)
|
| rpc->call_rep.ret = RPC_ERROR(-1); |
rpc->call_rep.ret = RPC_ERROR(-1); |
| rpc->call_rep.eno = RPC_ERROR(rpc_Errno); |
rpc->call_rep.eno = RPC_ERROR(rpc_Errno); |
| } else { |
} else { |
| rpc->call_argc = htons(array_Size(RPC_RETVARS(c))); | /* calc estimated length */ |
| | estlen = ait_resideVars(RPC_RETVARS(c)) + wlen; |
| | if (estlen > AIT_LEN(&c->cli_buf)) |
| | AIT_RE_BUF(&c->cli_buf, estlen); |
| | buf = AIT_GET_BUF(&c->cli_buf); |
| | rpc = (struct tagRPCCall*) buf; |
| | |
| | rpc->call_argc = (u_char) array_Size(RPC_RETVARS(c)); |
| /* Go Encapsulate variables */ |
/* Go Encapsulate variables */ |
| ret = ait_vars2buffer(buf + wlen, AIT_LEN(&c->cli_buf) - wlen, |
ret = ait_vars2buffer(buf + wlen, AIT_LEN(&c->cli_buf) - wlen, |
| RPC_RETVARS(c)); |
RPC_RETVARS(c)); |
|
Line 481 txUDPPacket(sched_task_t *task)
|
Line 514 txUDPPacket(sched_task_t *task)
|
| } |
} |
| |
|
| rpc->call_len = htonl(wlen); |
rpc->call_len = htonl(wlen); |
| |
rpc->call_io = RPC_ACK; |
| |
|
| /* calculate CRC */ |
/* calculate CRC */ |
| rpc->call_crc ^= rpc->call_crc; |
rpc->call_crc ^= rpc->call_crc; |
|
Line 495 txUDPPacket(sched_task_t *task)
|
Line 529 txUDPPacket(sched_task_t *task)
|
| if (ret) |
if (ret) |
| LOGERR; |
LOGERR; |
| else |
else |
| rpc_SetErr(ETIMEDOUT, "Timeout reached! Server not respond"); | rpc_SetErr(ETIMEDOUT, "Timeout reached! Client not respond"); |
| /* close connection */ |
/* close connection */ |
| schedEvent(TASK_ROOT(task), cbProto[s->srv_proto][CB_CLOSECLIENT], |
schedEvent(TASK_ROOT(task), cbProto[s->srv_proto][CB_CLOSECLIENT], |
| TASK_ARG(task), 0, NULL, 0); |
TASK_ARG(task), 0, NULL, 0); |
|
Line 537 rxUDPPacket(sched_task_t *task)
|
Line 571 rxUDPPacket(sched_task_t *task)
|
| } |
} |
| |
|
| c = _allocClient(srv, &sa); |
c = _allocClient(srv, &sa); |
| if (!c) | if (!c) { |
| | EVERBOSE(1, "RPC client quota exceeded! Connection will be shutdown!\n"); |
| | usleep(2000); /* blocked client delay */ |
| goto end; |
goto end; |
| else { | } else { |
| estlen = ntohl(rpc->call_len); |
estlen = ntohl(rpc->call_len); |
| if (estlen > AIT_LEN(&c->cli_buf)) |
if (estlen > AIT_LEN(&c->cli_buf)) |
| AIT_RE_BUF(&c->cli_buf, estlen); |
AIT_RE_BUF(&c->cli_buf, estlen); |
|
Line 566 rxUDPPacket(sched_task_t *task)
|
Line 602 rxUDPPacket(sched_task_t *task)
|
| if (rlen) |
if (rlen) |
| LOGERR; |
LOGERR; |
| else |
else |
| rpc_SetErr(ETIMEDOUT, "Timeout reached! Server not respond"); | rpc_SetErr(ETIMEDOUT, "Timeout reached! Client not respond"); |
| schedEvent(TASK_ROOT(task), cbProto[srv->srv_proto][CB_CLOSECLIENT], |
schedEvent(TASK_ROOT(task), cbProto[srv->srv_proto][CB_CLOSECLIENT], |
| c, 0, NULL, 0); |
c, 0, NULL, 0); |
| return NULL; | goto end; |
| } |
} |
| |
salen = sa.ss.ss_len = sizeof(sockaddr_t); |
| rlen = recvfrom(TASK_FD(task), buf, len, 0, &sa.sa, &salen); |
rlen = recvfrom(TASK_FD(task), buf, len, 0, &sa.sa, &salen); |
| if (rlen == -1) { |
if (rlen == -1) { |
| /* close connection */ |
/* close connection */ |
| schedEvent(TASK_ROOT(task), cbProto[srv->srv_proto][CB_CLOSECLIENT], |
schedEvent(TASK_ROOT(task), cbProto[srv->srv_proto][CB_CLOSECLIENT], |
| c, 0, NULL, 0); |
c, 0, NULL, 0); |
| return NULL; | goto end; |
| } |
} |
| |
if (e_addrcmp(&c->cli_sa, &sa, 42)) |
| |
rlen ^= rlen; /* skip if arrive from different address */ |
| } |
} |
| len = estlen; |
len = estlen; |
| |
|
| |
/* skip loop packet */ |
| |
if (rpc->call_io & RPC_ACK) |
| |
goto end; |
| |
|
| /* check integrity of packet */ |
/* check integrity of packet */ |
| crc = ntohs(rpc->call_crc); |
crc = ntohs(rpc->call_crc); |
| rpc->call_crc ^= rpc->call_crc; |
rpc->call_crc ^= rpc->call_crc; |
| if (crc != crcFletcher16((u_short*) rpc, len / 2)) { |
if (crc != crcFletcher16((u_short*) rpc, len / 2)) { |
| rpc_SetErr(ERPCMISMATCH, "Bad CRC RPC packet"); |
rpc_SetErr(ERPCMISMATCH, "Bad CRC RPC packet"); |
| |
/* close connection */ |
| |
schedEvent(TASK_ROOT(task), cbProto[srv->srv_proto][CB_CLOSECLIENT], |
| |
c, 0, NULL, 0); |
| |
goto end; |
| |
} |
| |
|
| |
noreply = RPC_CHK_NOREPLY(rpc); |
| |
|
| |
/* check RPC packet session info */ |
| |
if (rpc_chkPktSession(&rpc->call_session, &srv->srv_session)) { |
| |
rpc_SetErr(ERPCMISMATCH, "Get invalid RPC session"); |
| |
|
| |
rpc->call_argc ^= rpc->call_argc; |
| |
rpc->call_rep.ret = RPC_ERROR(-1); |
| |
rpc->call_rep.eno = RPC_ERROR(errno); |
| |
} else { |
| |
/* execute RPC call */ |
| |
schedEvent(TASK_ROOT(task), execCall, c, (int) noreply, rpc, len); |
| |
} |
| |
|
| |
/* send RPC reply */ |
| |
if (!noreply) |
| |
schedWrite(TASK_ROOT(task), cbProto[srv->srv_proto][CB_TXPACKET], |
| |
c, TASK_FD(task), rpc, len); |
| |
end: |
| |
schedReadSelf(task); |
| |
return NULL; |
| |
} |
| |
|
| |
|
| |
static void * |
| |
txRAWPacket(sched_task_t *task) |
| |
{ |
| |
rpc_cli_t *c = TASK_ARG(task); |
| |
rpc_srv_t *s = c->cli_parent; |
| |
rpc_func_t *f = NULL; |
| |
u_char *buf = AIT_GET_BUF(&c->cli_buf); |
| |
struct tagRPCCall *rpc = (struct tagRPCCall*) buf; |
| |
int ret, estlen, wlen = sizeof(struct tagRPCCall); |
| |
struct timespec ts = { DEF_RPC_TIMEOUT, 0 }; |
| |
|
| |
schedCancelby(TASK_ROOT(task), taskTIMER, CRITERIA_DATA, TASK_ARG(task), NULL); |
| |
schedTimer(TASK_ROOT(task), cbProto[s->srv_proto][CB_CLOSECLIENT], |
| |
TASK_ARG(task), ts, TASK_ARG(task), 0); |
| |
|
| |
if (rpc->call_argc) { |
| |
f = rpc_srv_getCall(s, ntohs(rpc->call_tag)); |
| |
if (!f) { |
| |
rpc_SetErr(EPROGUNAVAIL, "Function not found at RPC server"); |
| |
rpc->call_argc ^= rpc->call_argc; |
| |
rpc->call_rep.ret = RPC_ERROR(-1); |
| |
rpc->call_rep.eno = RPC_ERROR(rpc_Errno); |
| |
} else { |
| |
/* calc estimated length */ |
| |
estlen = ait_resideVars(RPC_RETVARS(c)) + wlen; |
| |
if (estlen > AIT_LEN(&c->cli_buf)) |
| |
AIT_RE_BUF(&c->cli_buf, estlen); |
| |
buf = AIT_GET_BUF(&c->cli_buf); |
| |
rpc = (struct tagRPCCall*) buf; |
| |
|
| |
rpc->call_argc = (u_char) array_Size(RPC_RETVARS(c)); |
| |
/* Go Encapsulate variables */ |
| |
ret = ait_vars2buffer(buf + wlen, AIT_LEN(&c->cli_buf) - wlen, |
| |
RPC_RETVARS(c)); |
| |
/* Free return values */ |
| |
ait_freeVars(&c->cli_vars); |
| |
if (ret == -1) { |
| |
rpc_SetErr(EBADRPC, "Prepare RPC packet failed"); |
| |
rpc->call_argc ^= rpc->call_argc; |
| |
rpc->call_rep.ret = RPC_ERROR(-1); |
| |
rpc->call_rep.eno = RPC_ERROR(rpc_Errno); |
| |
} else |
| |
wlen += ret; |
| |
} |
| |
} |
| |
|
| |
rpc->call_len = htonl(wlen); |
| |
rpc->call_io = RPC_ACK; |
| |
|
| |
/* calculate CRC */ |
| |
rpc->call_crc ^= rpc->call_crc; |
| |
rpc->call_crc = htons(crcFletcher16((u_short*) buf, wlen / 2)); |
| |
|
| |
/* send reply */ |
| |
ret = sendto(TASK_FD(task), buf, MIN(wlen, s->srv_netbuf), MSG_NOSIGNAL, |
| |
&c->cli_sa.sa, c->cli_sa.sa.sa_len); |
| |
if (ret == -1) { |
| |
/* close connection */ |
| |
schedEvent(TASK_ROOT(task), cbProto[s->srv_proto][CB_CLOSECLIENT], |
| |
TASK_ARG(task), 0, NULL, 0); |
| return NULL; |
return NULL; |
| } |
} |
| |
|
| |
return NULL; |
| |
} |
| |
|
| |
static void * |
| |
rxRAWPacket(sched_task_t *task) |
| |
{ |
| |
rpc_srv_t *srv = TASK_ARG(task); |
| |
rpc_cli_t *c = NULL; |
| |
int len, rlen, noreply; |
| |
u_short crc; |
| |
struct tagRPCCall *rpc; |
| |
sockaddr_t sa; |
| |
socklen_t salen; |
| |
struct timespec ts = { DEF_RPC_TIMEOUT, 0 }; |
| |
ait_val_t b = AIT_VAL_INIT; |
| |
|
| |
/* receive connect packet */ |
| |
AIT_SET_BUF(&b, NULL, srv->srv_netbuf); |
| |
salen = sa.ss.ss_len = sizeof(sockaddr_t); |
| |
rlen = recvfrom(TASK_FD(task), AIT_GET_BUF(&b), AIT_LEN(&b), 0, &sa.sa, &salen); |
| |
if (sa.sa.sa_family == AF_INET) { |
| |
struct ip *h; |
| |
h = (struct ip*) AIT_GET_BUF(&b); |
| |
if (rlen < ntohs(h->ip_len) || h->ip_p != IPPROTO_ERPC) |
| |
goto end; |
| |
else { |
| |
rlen -= sizeof(struct ip); |
| |
rpc = (struct tagRPCCall*) |
| |
(AIT_GET_BUF(&b) + sizeof(struct ip)); |
| |
} |
| |
} else { |
| |
struct ip6_hdr *h; |
| |
h = (struct ip6_hdr*) AIT_GET_BUF(&b); |
| |
if (rlen < (ntohs(h->ip6_plen) + sizeof(struct ip6_hdr)) || |
| |
h->ip6_nxt != IPPROTO_ERPC) |
| |
goto end; |
| |
else { |
| |
rlen -= sizeof(struct ip6_hdr); |
| |
rpc = (struct tagRPCCall*) |
| |
(AIT_GET_BUF(&b) + sizeof(struct ip6_hdr)); |
| |
} |
| |
} |
| |
if (rlen < sizeof(struct tagRPCCall)) { |
| |
rpc_SetErr(ERPCMISMATCH, "Short RPC packet"); |
| |
goto end; |
| |
} |
| |
|
| |
/* skip loop packet */ |
| |
if (rpc->call_io & RPC_ACK) |
| |
goto end; |
| |
|
| |
c = _allocClient(srv, &sa); |
| |
if (!c) { |
| |
EVERBOSE(1, "RPC client quota exceeded! Connection will be shutdown!\n"); |
| |
usleep(2000); /* blocked client delay */ |
| |
goto end; |
| |
} else { |
| |
len = ntohl(rpc->call_len); |
| |
if (len > AIT_LEN(&c->cli_buf)) |
| |
AIT_RE_BUF(&c->cli_buf, len); |
| |
memcpy(AIT_GET_BUF(&c->cli_buf), rpc, len); |
| |
rpc = (struct tagRPCCall*) AIT_GET_BUF(&c->cli_buf); |
| |
|
| |
c->cli_sock = TASK_FD(task); |
| |
memcpy(&c->cli_sa, &sa, sizeof c->cli_sa); |
| |
|
| |
/* armed timer for close stateless connection */ |
| |
schedCancelby(TASK_ROOT(task), taskTIMER, CRITERIA_DATA, c, NULL); |
| |
schedTimer(TASK_ROOT(task), cbProto[srv->srv_proto][CB_CLOSECLIENT], |
| |
c, ts, c, 0); |
| |
} |
| |
|
| |
/* check integrity of packet */ |
| |
crc = ntohs(rpc->call_crc); |
| |
rpc->call_crc ^= rpc->call_crc; |
| |
if (crc != crcFletcher16((u_short*) rpc, len / 2)) { |
| |
rpc_SetErr(ERPCMISMATCH, "Bad CRC RPC packet"); |
| |
/* close connection */ |
| |
schedEvent(TASK_ROOT(task), cbProto[srv->srv_proto][CB_CLOSECLIENT], |
| |
c, 0, NULL, 0); |
| |
goto end; |
| |
} |
| |
|
| noreply = RPC_CHK_NOREPLY(rpc); |
noreply = RPC_CHK_NOREPLY(rpc); |
| |
|
| /* check RPC packet session info */ |
/* check RPC packet session info */ |
|
Line 608 rxUDPPacket(sched_task_t *task)
|
Line 824 rxUDPPacket(sched_task_t *task)
|
| schedWrite(TASK_ROOT(task), cbProto[srv->srv_proto][CB_TXPACKET], |
schedWrite(TASK_ROOT(task), cbProto[srv->srv_proto][CB_TXPACKET], |
| c, TASK_FD(task), rpc, len); |
c, TASK_FD(task), rpc, len); |
| end: |
end: |
| |
AIT_FREE_VAL(&b); |
| schedReadSelf(task); |
schedReadSelf(task); |
| return NULL; |
return NULL; |
| } |
} |
| |
|
| |
|
| |
static void * |
| |
txBPFPacket(sched_task_t *task) |
| |
{ |
| |
rpc_cli_t *c = TASK_ARG(task); |
| |
rpc_srv_t *s = c->cli_parent; |
| |
rpc_func_t *f = NULL; |
| |
u_char *buf = AIT_GET_BUF(&c->cli_buf); |
| |
struct tagRPCCall *rpc = (struct tagRPCCall*) buf; |
| |
int ret, len, wlen = sizeof(struct tagRPCCall); |
| |
struct timespec ts = { DEF_RPC_TIMEOUT, 0 }; |
| |
struct ether_header *eh; |
| |
ait_val_t b = AIT_VAL_INIT; |
| |
|
| |
schedCancelby(TASK_ROOT(task), taskTIMER, CRITERIA_DATA, TASK_ARG(task), NULL); |
| |
schedTimer(TASK_ROOT(task), cbProto[s->srv_proto][CB_CLOSECLIENT], |
| |
TASK_ARG(task), ts, TASK_ARG(task), 0); |
| |
|
| |
if (rpc->call_argc) { |
| |
f = rpc_srv_getCall(s, ntohs(rpc->call_tag)); |
| |
if (!f) { |
| |
rpc_SetErr(EPROGUNAVAIL, "Function not found at RPC server"); |
| |
rpc->call_argc ^= rpc->call_argc; |
| |
rpc->call_rep.ret = RPC_ERROR(-1); |
| |
rpc->call_rep.eno = RPC_ERROR(rpc_Errno); |
| |
} else { |
| |
/* calc estimated length */ |
| |
len = ait_resideVars(RPC_RETVARS(c)) + wlen; |
| |
if (len > AIT_LEN(&c->cli_buf)) |
| |
AIT_RE_BUF(&c->cli_buf, len); |
| |
buf = AIT_GET_BUF(&c->cli_buf); |
| |
rpc = (struct tagRPCCall*) buf; |
| |
|
| |
rpc->call_argc = (u_char) array_Size(RPC_RETVARS(c)); |
| |
/* Go Encapsulate variables */ |
| |
ret = ait_vars2buffer(buf + wlen, AIT_LEN(&c->cli_buf) - wlen, |
| |
RPC_RETVARS(c)); |
| |
/* Free return values */ |
| |
ait_freeVars(&RPC_RETVARS(c)); |
| |
if (ret == -1) { |
| |
rpc_SetErr(EBADRPC, "Prepare RPC packet failed"); |
| |
rpc->call_argc ^= rpc->call_argc; |
| |
rpc->call_rep.ret = RPC_ERROR(-1); |
| |
rpc->call_rep.eno = RPC_ERROR(rpc_Errno); |
| |
} else |
| |
wlen += ret; |
| |
} |
| |
} |
| |
|
| |
rpc->call_len = htonl(wlen); |
| |
rpc->call_io = RPC_ACK; |
| |
|
| |
/* calculate CRC */ |
| |
rpc->call_crc ^= rpc->call_crc; |
| |
rpc->call_crc = htons(crcFletcher16((u_short*) buf, wlen / 2)); |
| |
|
| |
/* send reply */ |
| |
AIT_SET_BUF(&b, NULL, MIN(wlen, s->srv_netbuf) + ETHER_HDR_LEN); |
| |
eh = (struct ether_header*) AIT_GET_BUF(&b); |
| |
memcpy(eh->ether_dhost, LLADDR(&c->cli_sa.sdl), ETHER_ADDR_LEN); |
| |
eh->ether_type = htons(RPC_DEFPORT); |
| |
memcpy(eh + 1, buf, MIN(wlen, s->srv_netbuf)); |
| |
|
| |
ret = write(TASK_FD(task), AIT_GET_BUF(&b), AIT_LEN(&b)); |
| |
AIT_FREE_VAL(&b); |
| |
if (ret == -1) { |
| |
/* close connection */ |
| |
schedEvent(TASK_ROOT(task), cbProto[s->srv_proto][CB_CLOSECLIENT], |
| |
TASK_ARG(task), 0, NULL, 0); |
| |
return NULL; |
| |
} |
| |
|
| |
return NULL; |
| |
} |
| |
|
| |
static void * |
| |
rxBPFPacket(sched_task_t *task) |
| |
{ |
| |
rpc_srv_t *srv = TASK_ARG(task); |
| |
rpc_cli_t *c = NULL; |
| |
int len, rlen, noreply; |
| |
u_short crc; |
| |
struct tagRPCCall *rpc; |
| |
sockaddr_t sa; |
| |
struct timespec ts = { DEF_RPC_TIMEOUT, 0 }; |
| |
struct bpf_hdr *h; |
| |
struct ether_header *eh; |
| |
ait_val_t b = AIT_VAL_INIT; |
| |
|
| |
/* receive connect packet */ |
| |
AIT_SET_BUF(&b, NULL, srv->srv_netbuf); |
| |
rlen = read(TASK_FD(task), AIT_GET_BUF(&b), AIT_LEN(&b)); |
| |
h = (struct bpf_hdr*) AIT_GET_BUF(&b); |
| |
rlen -= h->bh_hdrlen; |
| |
if (rlen < h->bh_datalen || h->bh_caplen != h->bh_datalen || |
| |
rlen < ETHER_HDR_LEN + sizeof(struct tagRPCCall)) { |
| |
rpc_SetErr(ERPCMISMATCH, "Short RPC packet"); |
| |
goto end; |
| |
} else { |
| |
rlen = h->bh_caplen; |
| |
eh = (struct ether_header*) (AIT_GET_BUF(&b) + h->bh_hdrlen); |
| |
rlen -= ETHER_HDR_LEN; |
| |
rpc = (struct tagRPCCall*) (eh + 1); |
| |
|
| |
#if 0 |
| |
/* skip loop packet */ |
| |
if (rpc->call_io & RPC_ACK) |
| |
goto end; |
| |
#endif |
| |
|
| |
if (eh->ether_type != ntohs(RPC_DEFPORT)) |
| |
goto end; |
| |
else |
| |
e_getlinkbymac((const ether_addr_t*) eh->ether_shost, &sa); |
| |
} |
| |
|
| |
c = _allocClient(srv, &sa); |
| |
if (!c) { |
| |
EVERBOSE(1, "RPC client quota exceeded! Connection will be shutdown!\n"); |
| |
usleep(2000); /* blocked client delay */ |
| |
goto end; |
| |
} else { |
| |
len = ntohl(rpc->call_len); |
| |
if (len > AIT_LEN(&c->cli_buf)) |
| |
AIT_RE_BUF(&c->cli_buf, len); |
| |
memcpy(AIT_GET_BUF(&c->cli_buf), rpc, len); |
| |
rpc = (struct tagRPCCall*) AIT_GET_BUF(&c->cli_buf); |
| |
|
| |
c->cli_sock = TASK_FD(task); |
| |
memcpy(&c->cli_sa, &sa, sizeof c->cli_sa); |
| |
|
| |
/* armed timer for close stateless connection */ |
| |
schedCancelby(TASK_ROOT(task), taskTIMER, CRITERIA_DATA, c, NULL); |
| |
schedTimer(TASK_ROOT(task), cbProto[srv->srv_proto][CB_CLOSECLIENT], |
| |
c, ts, c, 0); |
| |
} |
| |
|
| |
/* check integrity of packet */ |
| |
crc = ntohs(rpc->call_crc); |
| |
rpc->call_crc ^= rpc->call_crc; |
| |
if (crc != crcFletcher16((u_short*) rpc, len / 2)) { |
| |
rpc_SetErr(ERPCMISMATCH, "Bad CRC RPC packet"); |
| |
/* close connection */ |
| |
schedEvent(TASK_ROOT(task), cbProto[srv->srv_proto][CB_CLOSECLIENT], |
| |
c, 0, NULL, 0); |
| |
goto end; |
| |
} |
| |
|
| |
noreply = RPC_CHK_NOREPLY(rpc); |
| |
|
| |
/* check RPC packet session info */ |
| |
if (rpc_chkPktSession(&rpc->call_session, &srv->srv_session)) { |
| |
rpc_SetErr(ERPCMISMATCH, "Get invalid RPC session"); |
| |
|
| |
rpc->call_argc ^= rpc->call_argc; |
| |
rpc->call_rep.ret = RPC_ERROR(-1); |
| |
rpc->call_rep.eno = RPC_ERROR(errno); |
| |
} else { |
| |
/* execute RPC call */ |
| |
schedEvent(TASK_ROOT(task), execCall, c, (int) noreply, rpc, len); |
| |
} |
| |
|
| |
/* send RPC reply */ |
| |
if (!noreply) |
| |
schedEvent(TASK_ROOT(task), cbProto[srv->srv_proto][CB_TXPACKET], |
| |
c, TASK_FD(task), rpc, len); |
| |
end: |
| |
AIT_FREE_VAL(&b); |
| |
schedReadSelf(task); |
| |
return NULL; |
| |
} |
| |
|
| |
|
| |
static void * |
| |
txEXTPacket(sched_task_t *task) |
| |
{ |
| |
rpc_cli_t *c = TASK_ARG(task); |
| |
rpc_srv_t *s = c->cli_parent; |
| |
rpc_func_t *f = NULL; |
| |
u_char *buf = AIT_GET_BUF(&c->cli_buf); |
| |
struct tagRPCCall *rpc = (struct tagRPCCall*) buf; |
| |
int ret, len, wlen = sizeof(struct tagRPCCall); |
| |
struct timespec ts = { DEF_RPC_TIMEOUT, 0 }; |
| |
|
| |
schedCancelby(TASK_ROOT(task), taskTIMER, CRITERIA_DATA, TASK_ARG(task), NULL); |
| |
schedTimer(TASK_ROOT(task), cbProto[s->srv_proto][CB_CLOSECLIENT], |
| |
TASK_ARG(task), ts, TASK_ARG(task), 0); |
| |
|
| |
if (rpc->call_argc) { |
| |
f = rpc_srv_getCall(s, ntohs(rpc->call_tag)); |
| |
if (!f) { |
| |
rpc_SetErr(EPROGUNAVAIL, "Function not found at RPC server"); |
| |
rpc->call_argc ^= rpc->call_argc; |
| |
rpc->call_rep.ret = RPC_ERROR(-1); |
| |
rpc->call_rep.eno = RPC_ERROR(rpc_Errno); |
| |
} else { |
| |
/* calc estimated length */ |
| |
len = ait_resideVars(RPC_RETVARS(c)) + wlen; |
| |
if (len > AIT_LEN(&c->cli_buf)) |
| |
AIT_RE_BUF(&c->cli_buf, len); |
| |
buf = AIT_GET_BUF(&c->cli_buf); |
| |
rpc = (struct tagRPCCall*) buf; |
| |
|
| |
rpc->call_argc = (u_char) array_Size(RPC_RETVARS(c)); |
| |
/* Go Encapsulate variables */ |
| |
ret = ait_vars2buffer(buf + wlen, AIT_LEN(&c->cli_buf) - wlen, |
| |
RPC_RETVARS(c)); |
| |
/* Free return values */ |
| |
ait_freeVars(&RPC_RETVARS(c)); |
| |
if (ret == -1) { |
| |
rpc_SetErr(EBADRPC, "Prepare RPC packet failed"); |
| |
rpc->call_argc ^= rpc->call_argc; |
| |
rpc->call_rep.ret = RPC_ERROR(-1); |
| |
rpc->call_rep.eno = RPC_ERROR(rpc_Errno); |
| |
} else |
| |
wlen += ret; |
| |
} |
| |
} |
| |
|
| |
rpc->call_len = htonl(wlen); |
| |
rpc->call_io = RPC_ACK; |
| |
|
| |
/* send reply */ |
| |
ret = write(TASK_FD(task), buf, MIN(wlen, s->srv_netbuf)); |
| |
if (ret == -1) { |
| |
/* close connection */ |
| |
schedEvent(TASK_ROOT(task), cbProto[s->srv_proto][CB_CLOSECLIENT], |
| |
TASK_ARG(task), 0, NULL, 0); |
| |
return NULL; |
| |
} |
| |
|
| |
return NULL; |
| |
} |
| |
|
| |
static void * |
| |
rxEXTPacket(sched_task_t *task) |
| |
{ |
| |
rpc_srv_t *srv = TASK_ARG(task); |
| |
rpc_cli_t *c = NULL; |
| |
int len, rlen, noreply; |
| |
struct tagRPCCall *rpc; |
| |
struct timespec ts = { DEF_RPC_TIMEOUT, 0 }; |
| |
ait_val_t b = AIT_VAL_INIT; |
| |
sockaddr_t sa; |
| |
|
| |
memset(&sa, 0, sizeof sa); |
| |
/* receive connect packet */ |
| |
AIT_SET_BUF(&b, NULL, srv->srv_netbuf); |
| |
rlen = read(TASK_FD(task), AIT_GET_BUF(&b), AIT_LEN(&b)); |
| |
if (rlen < sizeof(struct tagRPCCall)) { |
| |
rpc_SetErr(ERPCMISMATCH, "Short RPC packet"); |
| |
goto end; |
| |
} else { |
| |
rpc = (struct tagRPCCall*) AIT_GET_BUF(&b); |
| |
|
| |
/* skip loop packet */ |
| |
if (rpc->call_io & RPC_ACK) |
| |
goto end; |
| |
} |
| |
|
| |
c = _allocClient(srv, &sa); |
| |
if (!c) { |
| |
EVERBOSE(1, "RPC client quota exceeded! Connection will be shutdown!\n"); |
| |
usleep(2000); /* blocked client delay */ |
| |
goto end; |
| |
} else { |
| |
len = ntohl(rpc->call_len); |
| |
if (len > AIT_LEN(&c->cli_buf)) |
| |
AIT_RE_BUF(&c->cli_buf, len); |
| |
memcpy(AIT_GET_BUF(&c->cli_buf), rpc, AIT_LEN(&c->cli_buf)); |
| |
rpc = (struct tagRPCCall*) AIT_GET_BUF(&c->cli_buf); |
| |
|
| |
c->cli_sock = TASK_FD(task); |
| |
|
| |
/* armed timer for close stateless connection */ |
| |
schedCancelby(TASK_ROOT(task), taskTIMER, CRITERIA_DATA, c, NULL); |
| |
schedTimer(TASK_ROOT(task), cbProto[srv->srv_proto][CB_CLOSECLIENT], |
| |
c, ts, c, 0); |
| |
} |
| |
|
| |
noreply = RPC_CHK_NOREPLY(rpc); |
| |
|
| |
/* check RPC packet session info */ |
| |
if (rpc_chkPktSession(&rpc->call_session, &srv->srv_session)) { |
| |
rpc_SetErr(ERPCMISMATCH, "Get invalid RPC session"); |
| |
|
| |
rpc->call_argc ^= rpc->call_argc; |
| |
rpc->call_rep.ret = RPC_ERROR(-1); |
| |
rpc->call_rep.eno = RPC_ERROR(errno); |
| |
} else { |
| |
/* execute RPC call */ |
| |
schedEvent(TASK_ROOT(task), execCall, c, (int) noreply, rpc, len); |
| |
} |
| |
|
| |
/* send RPC reply */ |
| |
if (!noreply) |
| |
schedWrite(TASK_ROOT(task), cbProto[srv->srv_proto][CB_TXPACKET], |
| |
c, TASK_FD(task), rpc, len); |
| |
end: |
| |
AIT_FREE_VAL(&b); |
| |
schedReadSelf(task); |
| |
return NULL; |
| |
} |
| |
|
| /* ------------------------------------------------------ */ |
/* ------------------------------------------------------ */ |
| |
|
| void |
void |
|
Line 748 end:
|
Line 1269 end:
|
| static void * |
static void * |
| flushBLOB(sched_task_t *task) |
flushBLOB(sched_task_t *task) |
| { |
{ |
| rpc_srv_t *srv = TASK_ARG(task); | uintptr_t sigArg = atomic_load_acq_ptr(&_glSigArg); |
| | rpc_srv_t *srv = sigArg ? (void*) sigArg : TASK_ARG(task); |
| rpc_blob_t *b, *tmp; |
rpc_blob_t *b, *tmp; |
| |
|
| TAILQ_FOREACH_SAFE(b, &srv->srv_blob.blobs, blob_node, tmp) { |
TAILQ_FOREACH_SAFE(b, &srv->srv_blob.blobs, blob_node, tmp) { |
|
Line 758 flushBLOB(sched_task_t *task)
|
Line 1280 flushBLOB(sched_task_t *task)
|
| e_free(b); |
e_free(b); |
| } |
} |
| |
|
| schedSignalSelf(task); | if (!schedSignalSelf(task)) { |
| | /* disabled kqueue support in libaitsched */ |
| | struct sigaction sa; |
| | |
| | memset(&sa, 0, sizeof sa); |
| | sigemptyset(&sa.sa_mask); |
| | sa.sa_handler = (void (*)(int)) flushBLOB; |
| | sa.sa_flags = SA_RESTART | SA_RESETHAND; |
| | sigaction(SIGFBLOB, &sa, NULL); |
| | } |
| | |
| return NULL; |
return NULL; |
| } |
} |
| |
|
|
Line 972 rpc_srv_loopBLOBServer(rpc_srv_t * __restrict srv)
|
Line 1504 rpc_srv_loopBLOBServer(rpc_srv_t * __restrict srv)
|
| return -1; |
return -1; |
| } |
} |
| |
|
| schedSignal(srv->srv_blob.root, flushBLOB, srv, SIGFBLOB, NULL, 0); | if (!schedSignal(srv->srv_blob.root, flushBLOB, srv, SIGFBLOB, NULL, 0)) { |
| | /* disabled kqueue support in libaitsched */ |
| | struct sigaction sa; |
| | |
| | atomic_store_rel_ptr(&_glSigArg, (uintptr_t) srv); |
| | |
| | memset(&sa, 0, sizeof sa); |
| | sigemptyset(&sa.sa_mask); |
| | sa.sa_handler = (void (*)(int)) flushBLOB; |
| | sa.sa_flags = SA_RESTART | SA_RESETHAND; |
| | sigaction(SIGFBLOB, &sa, NULL); |
| | } |
| | |
| if (!schedRead(srv->srv_blob.root, acceptBLOBClients, srv, |
if (!schedRead(srv->srv_blob.root, acceptBLOBClients, srv, |
| srv->srv_blob.server.cli_sock, NULL, 0)) { |
srv->srv_blob.server.cli_sock, NULL, 0)) { |
| rpc_SetErr(sched_GetErrno(), "%s", sched_GetError()); |
rpc_SetErr(sched_GetErrno(), "%s", sched_GetError()); |
|
Line 1031 rpc_srv_initServer(u_char InstID, int concurentClients
|
Line 1575 rpc_srv_initServer(u_char InstID, int concurentClients
|
| rpc_srv_t *srv = NULL; |
rpc_srv_t *srv = NULL; |
| sockaddr_t sa = E_SOCKADDR_INIT; |
sockaddr_t sa = E_SOCKADDR_INIT; |
| |
|
| if (!concurentClients || (proto < 0 || proto > SOCK_DGRAM)) { | if (!concurentClients || (proto < 0 || proto > SOCK_RAW)) { |
| rpc_SetErr(EINVAL, "Invalid parameters can`t init RPC server"); |
rpc_SetErr(EINVAL, "Invalid parameters can`t init RPC server"); |
| return NULL; |
return NULL; |
| } |
} |
| if (!e_gethostbyname(csHost, Port, &sa)) |
|
| return NULL; |
|
| if (!Port) |
if (!Port) |
| Port = RPC_DEFPORT; |
Port = RPC_DEFPORT; |
| |
if (!e_gethostbyname(csHost, Port, &sa)) |
| |
return NULL; |
| if (!proto) |
if (!proto) |
| proto = SOCK_STREAM; |
proto = SOCK_STREAM; |
| if (netBuf < RPC_MIN_BUFSIZ) |
if (netBuf < RPC_MIN_BUFSIZ) |
|
Line 1094 rpc_srv_initServer(u_char InstID, int concurentClients
|
Line 1638 rpc_srv_initServer(u_char InstID, int concurentClients
|
| } |
} |
| |
|
| /* create server socket */ |
/* create server socket */ |
| srv->srv_server.cli_sock = socket(srv->srv_server.cli_sa.sa.sa_family, srv->srv_proto, 0); | srv->srv_server.cli_sock = socket(srv->srv_server.cli_sa.sa.sa_family, |
| | srv->srv_proto, srv->srv_proto == SOCK_RAW ? IPPROTO_ERPC : 0); |
| if (srv->srv_server.cli_sock == -1) { |
if (srv->srv_server.cli_sock == -1) { |
| LOGERR; |
LOGERR; |
| array_Destroy(&srv->srv_clients); |
array_Destroy(&srv->srv_clients); |
|
Line 1200 rpc_srv_loopServer(rpc_srv_t * __restrict srv)
|
Line 1745 rpc_srv_loopServer(rpc_srv_t * __restrict srv)
|
| for (i = 0; i < array_Size(srv->srv_clients); i++) { |
for (i = 0; i < array_Size(srv->srv_clients); i++) { |
| c = array(srv->srv_clients, i, rpc_cli_t*); |
c = array(srv->srv_clients, i, rpc_cli_t*); |
| if (c) { |
if (c) { |
| shutdown(c->cli_sock, SHUT_RDWR); | if (srv->srv_proto == SOCK_STREAM) { |
| close(c->cli_sock); | shutdown(c->cli_sock, SHUT_RDWR); |
| | close(c->cli_sock); |
| | } |
| |
|
| schedCancelby(srv->srv_root, taskMAX, CRITERIA_ARG, c, NULL); |
schedCancelby(srv->srv_root, taskMAX, CRITERIA_ARG, c, NULL); |
| ait_freeVars(&RPC_RETVARS(c)); |
ait_freeVars(&RPC_RETVARS(c)); |
|
Line 1211 rpc_srv_loopServer(rpc_srv_t * __restrict srv)
|
Line 1758 rpc_srv_loopServer(rpc_srv_t * __restrict srv)
|
| } |
} |
| array_Destroy(&srv->srv_clients); |
array_Destroy(&srv->srv_clients); |
| |
|
| close(srv->srv_server.cli_sock); | if (srv->srv_proto != SOCK_EXT) |
| | close(srv->srv_server.cli_sock); |
| |
|
| /* detach exported calls */ |
/* detach exported calls */ |
| RPC_FUNCS_LOCK(&srv->srv_funcs); |
RPC_FUNCS_LOCK(&srv->srv_funcs); |
|
Line 1250 rpc_srv_execCall(rpc_cli_t * __restrict cli, struct ta
|
Line 1798 rpc_srv_execCall(rpc_cli_t * __restrict cli, struct ta
|
| |
|
| func = AIT_GET_LIKE(&funcname, rpc_callback_t); |
func = AIT_GET_LIKE(&funcname, rpc_callback_t); |
| return func(cli, rpc, args); |
return func(cli, rpc, args); |
| |
} |
| |
|
| |
|
| |
/* |
| |
* rpc_srv_initServer2() - Init & create layer2 RPC Server |
| |
* |
| |
* @InstID = Instance for authentication & recognition |
| |
* @concurentClients = Concurent clients at same time to this server |
| |
* @netBuf = Network buffer length (min:512 bytes), if =0 == BUFSIZ (also meaning max RPC packet) |
| |
* @csIface = Interface name for bind server, if NULL first interface on host |
| |
* return: NULL == error or !=NULL bind and created RPC server instance |
| |
*/ |
| |
rpc_srv_t * |
| |
rpc_srv_initServer2(u_char InstID, int concurentClients, int netBuf, const char *csIface) |
| |
{ |
| |
int n = 1; |
| |
rpc_srv_t *srv = NULL; |
| |
sockaddr_t sa = E_SOCKADDR_INIT; |
| |
char szIface[64], szStr[STRSIZ]; |
| |
register int i; |
| |
struct ifreq ifr; |
| |
struct bpf_insn insns[] = { |
| |
BPF_STMT(BPF_LD + BPF_H + BPF_ABS, 12), |
| |
BPF_JUMP(BPF_JMP + BPF_JEQ + BPF_K, RPC_DEFPORT, 0, 1), |
| |
BPF_STMT(BPF_RET + BPF_K, -1), |
| |
BPF_STMT(BPF_RET + BPF_K, 0), |
| |
}; |
| |
struct bpf_program fcode = { |
| |
.bf_len = sizeof(insns) / sizeof(struct bpf_insn), |
| |
.bf_insns = insns |
| |
}; |
| |
|
| |
if (!concurentClients) { |
| |
rpc_SetErr(EINVAL, "Invalid parameters can`t init RPC server"); |
| |
return NULL; |
| |
} |
| |
if (!csIface) { |
| |
if (e_get1stiface(szIface, sizeof szIface)) |
| |
return NULL; |
| |
} else |
| |
strlcpy(szIface, csIface, sizeof szIface); |
| |
if (!e_getifacebyname(szIface, &sa)) |
| |
return NULL; |
| |
|
| |
#ifdef HAVE_SRANDOMDEV |
| |
srandomdev(); |
| |
#else |
| |
time_t tim; |
| |
|
| |
srandom((time(&tim) ^ getpid())); |
| |
#endif |
| |
|
| |
srv = e_malloc(sizeof(rpc_srv_t)); |
| |
if (!srv) { |
| |
LOGERR; |
| |
return NULL; |
| |
} else |
| |
memset(srv, 0, sizeof(rpc_srv_t)); |
| |
|
| |
srv->srv_proto = SOCK_BPF; |
| |
srv->srv_netbuf = netBuf; |
| |
srv->srv_session.sess_version = RPC_VERSION; |
| |
srv->srv_session.sess_instance = InstID; |
| |
|
| |
srv->srv_server.cli_parent = srv; |
| |
memcpy(&srv->srv_server.cli_sa, &sa, sizeof srv->srv_server.cli_sa); |
| |
|
| |
/* init functions */ |
| |
pthread_mutex_init(&srv->srv_funcs.mtx, NULL); |
| |
SLIST_INIT(&srv->srv_funcs); |
| |
AVL_INIT(&srv->srv_funcs); |
| |
|
| |
/* init scheduler */ |
| |
srv->srv_root = schedBegin(); |
| |
if (!srv->srv_root) { |
| |
rpc_SetErr(sched_GetErrno(), "%s", sched_GetError()); |
| |
pthread_mutex_destroy(&srv->srv_funcs.mtx); |
| |
e_free(srv); |
| |
return NULL; |
| |
} |
| |
|
| |
/* init pool for clients */ |
| |
srv->srv_clients = array_Init(concurentClients); |
| |
if (!srv->srv_clients) { |
| |
rpc_SetErr(elwix_GetErrno(), "%s", elwix_GetError()); |
| |
schedEnd(&srv->srv_root); |
| |
pthread_mutex_destroy(&srv->srv_funcs.mtx); |
| |
e_free(srv); |
| |
return NULL; |
| |
} |
| |
|
| |
/* create server handler */ |
| |
for (i = 0; i < 10; i++) { |
| |
memset(szStr, 0, sizeof szStr); |
| |
snprintf(szStr, sizeof szStr, "/dev/bpf%d", i); |
| |
srv->srv_server.cli_sock = open(szStr, O_RDWR); |
| |
if (srv->srv_server.cli_sock > STDERR_FILENO) |
| |
break; |
| |
} |
| |
if (srv->srv_server.cli_sock < 3) { |
| |
LOGERR; |
| |
array_Destroy(&srv->srv_clients); |
| |
schedEnd(&srv->srv_root); |
| |
pthread_mutex_destroy(&srv->srv_funcs.mtx); |
| |
e_free(srv); |
| |
return NULL; |
| |
} |
| |
|
| |
if (ioctl(srv->srv_server.cli_sock, BIOCIMMEDIATE, &n) == -1) { |
| |
LOGERR; |
| |
goto err; |
| |
} |
| |
if (ioctl(srv->srv_server.cli_sock, BIOCSETF, &fcode) == -1) { |
| |
LOGERR; |
| |
goto err; |
| |
} |
| |
n = (netBuf < RPC_MIN_BUFSIZ) ? getpagesize() : E_ALIGN(netBuf, 2); |
| |
if (ioctl(srv->srv_server.cli_sock, BIOCSBLEN, &n) == -1) { |
| |
LOGERR; |
| |
goto err; |
| |
} else |
| |
srv->srv_netbuf = n; |
| |
|
| |
memset(&ifr, 0, sizeof ifr); |
| |
strlcpy(ifr.ifr_name, szIface, sizeof ifr.ifr_name); |
| |
if (ioctl(srv->srv_server.cli_sock, BIOCSETIF, &ifr) == -1) { |
| |
LOGERR; |
| |
goto err; |
| |
} else |
| |
fcntl(srv->srv_server.cli_sock, F_SETFL, |
| |
fcntl(srv->srv_server.cli_sock, F_GETFL) | O_NONBLOCK); |
| |
|
| |
rpc_register_srvPing(srv); |
| |
|
| |
return srv; |
| |
err: /* error condition */ |
| |
close(srv->srv_server.cli_sock); |
| |
array_Destroy(&srv->srv_clients); |
| |
schedEnd(&srv->srv_root); |
| |
pthread_mutex_destroy(&srv->srv_funcs.mtx); |
| |
e_free(srv); |
| |
return NULL; |
| |
} |
| |
|
| |
/* |
| |
* rpc_srv_initServerExt() - Init & create pipe RPC Server |
| |
* |
| |
* @InstID = Instance for authentication & recognition |
| |
* @netBuf = Network buffer length (min:512 bytes), if =0 == BUFSIZ (also meaning max RPC packet) |
| |
* @fd = File descriptor |
| |
* return: NULL == error or !=NULL bind and created RPC server instance |
| |
*/ |
| |
rpc_srv_t * |
| |
rpc_srv_initServerExt(u_char InstID, int netBuf, int fd) |
| |
{ |
| |
rpc_srv_t *srv = NULL; |
| |
|
| |
#ifdef HAVE_SRANDOMDEV |
| |
srandomdev(); |
| |
#else |
| |
time_t tim; |
| |
|
| |
srandom((time(&tim) ^ getpid())); |
| |
#endif |
| |
|
| |
srv = e_malloc(sizeof(rpc_srv_t)); |
| |
if (!srv) { |
| |
LOGERR; |
| |
return NULL; |
| |
} else |
| |
memset(srv, 0, sizeof(rpc_srv_t)); |
| |
|
| |
srv->srv_proto = SOCK_EXT; |
| |
srv->srv_netbuf = (netBuf < RPC_MIN_BUFSIZ) ? |
| |
getpagesize() : E_ALIGN(netBuf, 2); |
| |
srv->srv_session.sess_version = RPC_VERSION; |
| |
srv->srv_session.sess_instance = InstID; |
| |
|
| |
srv->srv_server.cli_parent = srv; |
| |
srv->srv_server.cli_sock = fd; |
| |
|
| |
/* init functions */ |
| |
pthread_mutex_init(&srv->srv_funcs.mtx, NULL); |
| |
SLIST_INIT(&srv->srv_funcs); |
| |
AVL_INIT(&srv->srv_funcs); |
| |
|
| |
/* init scheduler */ |
| |
srv->srv_root = schedBegin(); |
| |
if (!srv->srv_root) { |
| |
rpc_SetErr(sched_GetErrno(), "%s", sched_GetError()); |
| |
pthread_mutex_destroy(&srv->srv_funcs.mtx); |
| |
e_free(srv); |
| |
return NULL; |
| |
} |
| |
|
| |
/* init pool for clients */ |
| |
srv->srv_clients = array_Init(1); |
| |
if (!srv->srv_clients) { |
| |
rpc_SetErr(elwix_GetErrno(), "%s", elwix_GetError()); |
| |
schedEnd(&srv->srv_root); |
| |
pthread_mutex_destroy(&srv->srv_funcs.mtx); |
| |
e_free(srv); |
| |
return NULL; |
| |
} |
| |
|
| |
fcntl(srv->srv_server.cli_sock, F_SETFL, |
| |
fcntl(srv->srv_server.cli_sock, F_GETFL) | O_NONBLOCK); |
| |
|
| |
rpc_register_srvPing(srv); |
| |
|
| |
return srv; |
| } |
} |