version 1.25, 2015/01/21 21:17:05
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version 1.26.2.4, 2015/06/24 23:02:28
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Line 58 static void *rxUDPPacket(sched_task_t *);
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Line 58 static void *rxUDPPacket(sched_task_t *);
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static void *txUDPPacket(sched_task_t *); |
static void *txUDPPacket(sched_task_t *); |
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/* SOCK_RAW */ |
/* SOCK_RAW */ |
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static void *rxRAWPacket(sched_task_t *); |
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static void *txRAWPacket(sched_task_t *); |
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/* SOCK_BPF */ |
/* SOCK_BPF */ |
static void *rxBPFPacket(sched_task_t *); |
static void *rxBPFPacket(sched_task_t *); |
Line 71 static sched_task_func_t cbProto[SOCK_MAX_SUPPORT][4]
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Line 73 static sched_task_func_t cbProto[SOCK_MAX_SUPPORT][4]
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{ 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 */ |
{ rxBPFPacket, freeClient, rxBPFPacket, txBPFPacket }, /* SOCK_BPF */ |
{ rxEXTPacket, freeClient, rxEXTPacket, txEXTPacket } /* SOCK_EXT */ |
{ rxEXTPacket, freeClient, rxEXTPacket, txEXTPacket } /* SOCK_EXT */ |
}; |
}; |
Line 658 end:
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Line 660 end:
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static void * |
static void * |
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txRAWPacket(sched_task_t *task) |
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{ |
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rpc_cli_t *c = TASK_ARG(task); |
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rpc_srv_t *s = c->cli_parent; |
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rpc_func_t *f = NULL; |
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u_char *buf = AIT_GET_BUF(&c->cli_buf); |
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struct tagRPCCall *rpc = (struct tagRPCCall*) buf; |
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int ret, estlen, wlen = sizeof(struct tagRPCCall); |
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struct timespec ts = { DEF_RPC_TIMEOUT, 0 }; |
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schedCancelby(TASK_ROOT(task), taskTIMER, CRITERIA_DATA, TASK_ARG(task), NULL); |
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schedTimer(TASK_ROOT(task), cbProto[s->srv_proto][CB_CLOSECLIENT], |
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TASK_ARG(task), ts, TASK_ARG(task), 0); |
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if (rpc->call_argc) { |
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f = rpc_srv_getCall(s, ntohs(rpc->call_tag)); |
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if (!f) { |
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rpc_SetErr(EPROGUNAVAIL, "Function not found at RPC server"); |
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rpc->call_argc ^= rpc->call_argc; |
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rpc->call_rep.ret = RPC_ERROR(-1); |
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rpc->call_rep.eno = RPC_ERROR(rpc_Errno); |
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} else { |
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/* calc estimated length */ |
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estlen = ait_resideVars(RPC_RETVARS(c)) + wlen; |
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if (estlen > AIT_LEN(&c->cli_buf)) |
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AIT_RE_BUF(&c->cli_buf, estlen); |
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buf = AIT_GET_BUF(&c->cli_buf); |
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rpc = (struct tagRPCCall*) buf; |
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rpc->call_argc = (u_char) array_Size(RPC_RETVARS(c)); |
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/* Go Encapsulate variables */ |
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ret = ait_vars2buffer(buf + wlen, AIT_LEN(&c->cli_buf) - wlen, |
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RPC_RETVARS(c)); |
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/* Free return values */ |
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ait_freeVars(&c->cli_vars); |
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if (ret == -1) { |
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rpc_SetErr(EBADRPC, "Prepare RPC packet failed"); |
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rpc->call_argc ^= rpc->call_argc; |
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rpc->call_rep.ret = RPC_ERROR(-1); |
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rpc->call_rep.eno = RPC_ERROR(rpc_Errno); |
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} else |
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wlen += ret; |
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} |
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} |
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rpc->call_len = htonl(wlen); |
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rpc->call_io = RPC_ACK; |
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/* calculate CRC */ |
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rpc->call_crc ^= rpc->call_crc; |
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rpc->call_crc = htons(crcFletcher16((u_short*) buf, wlen / 2)); |
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/* send reply */ |
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ret = sendto(TASK_FD(task), buf, MIN(wlen, s->srv_netbuf), MSG_NOSIGNAL, |
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&c->cli_sa.sa, c->cli_sa.sa.sa_len); |
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if (ret == -1) { |
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/* close connection */ |
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schedEvent(TASK_ROOT(task), cbProto[s->srv_proto][CB_CLOSECLIENT], |
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TASK_ARG(task), 0, NULL, 0); |
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return NULL; |
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} |
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return NULL; |
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} |
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static void * |
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rxRAWPacket(sched_task_t *task) |
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{ |
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rpc_srv_t *srv = TASK_ARG(task); |
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rpc_cli_t *c = NULL; |
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int len, rlen, noreply; |
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u_short crc; |
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struct tagRPCCall *rpc; |
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sockaddr_t sa; |
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socklen_t salen; |
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struct timespec ts = { DEF_RPC_TIMEOUT, 0 }; |
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ait_val_t b = AIT_VAL_INIT; |
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/* receive connect packet */ |
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AIT_SET_BUF(&b, NULL, srv->srv_netbuf); |
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salen = sa.ss.ss_len = sizeof(sockaddr_t); |
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rlen = recvfrom(TASK_FD(task), AIT_GET_BUF(&b), AIT_LEN(&b), 0, &sa.sa, &salen); |
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if (sa.sa.sa_family == AF_INET) { |
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struct ip *h; |
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h = (struct ip*) AIT_GET_BUF(&b); |
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if (rlen < ntohs(h->ip_len) || h->ip_p != IPPROTO_ERPC) |
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goto end; |
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else { |
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rlen -= sizeof(struct ip); |
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rpc = (struct tagRPCCall*) |
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(AIT_GET_BUF(&b) + sizeof(struct ip)); |
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} |
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} else { |
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struct ip6_hdr *h; |
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h = (struct ip6_hdr*) AIT_GET_BUF(&b); |
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if (rlen < (ntohs(h->ip6_plen) + sizeof(struct ip6_hdr)) || |
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h->ip6_nxt != IPPROTO_ERPC) |
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goto end; |
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else { |
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rlen -= sizeof(struct ip6_hdr); |
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rpc = (struct tagRPCCall*) |
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(AIT_GET_BUF(&b) + sizeof(struct ip6_hdr)); |
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} |
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} |
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if (rlen < sizeof(struct tagRPCCall)) { |
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rpc_SetErr(ERPCMISMATCH, "Short RPC packet"); |
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goto end; |
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} |
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/* skip loop packet */ |
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if (rpc->call_io & RPC_ACK) |
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goto end; |
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c = _allocClient(srv, &sa); |
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if (!c) { |
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EVERBOSE(1, "RPC client quota exceeded! Connection will be shutdown!\n"); |
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usleep(2000); /* blocked client delay */ |
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goto end; |
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} else { |
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len = ntohl(rpc->call_len); |
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if (len > AIT_LEN(&c->cli_buf)) |
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AIT_RE_BUF(&c->cli_buf, len); |
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memcpy(AIT_GET_BUF(&c->cli_buf), rpc, len); |
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rpc = (struct tagRPCCall*) AIT_GET_BUF(&c->cli_buf); |
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c->cli_sock = TASK_FD(task); |
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memcpy(&c->cli_sa, &sa, sizeof c->cli_sa); |
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/* armed timer for close stateless connection */ |
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schedCancelby(TASK_ROOT(task), taskTIMER, CRITERIA_DATA, c, NULL); |
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schedTimer(TASK_ROOT(task), cbProto[srv->srv_proto][CB_CLOSECLIENT], |
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c, ts, c, 0); |
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} |
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/* check integrity of packet */ |
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crc = ntohs(rpc->call_crc); |
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rpc->call_crc ^= rpc->call_crc; |
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if (crc != crcFletcher16((u_short*) rpc, len / 2)) { |
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rpc_SetErr(ERPCMISMATCH, "Bad CRC RPC packet"); |
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/* close connection */ |
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schedEvent(TASK_ROOT(task), cbProto[srv->srv_proto][CB_CLOSECLIENT], |
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c, 0, NULL, 0); |
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goto end; |
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} |
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noreply = RPC_CHK_NOREPLY(rpc); |
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/* check RPC packet session info */ |
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if (rpc_chkPktSession(&rpc->call_session, &srv->srv_session)) { |
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rpc_SetErr(ERPCMISMATCH, "Get invalid RPC session"); |
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rpc->call_argc ^= rpc->call_argc; |
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rpc->call_rep.ret = RPC_ERROR(-1); |
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rpc->call_rep.eno = RPC_ERROR(errno); |
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} else { |
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/* execute RPC call */ |
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schedEvent(TASK_ROOT(task), execCall, c, (int) noreply, rpc, len); |
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} |
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/* send RPC reply */ |
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if (!noreply) |
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schedWrite(TASK_ROOT(task), cbProto[srv->srv_proto][CB_TXPACKET], |
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c, TASK_FD(task), rpc, len); |
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end: |
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AIT_FREE_VAL(&b); |
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schedReadSelf(task); |
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return NULL; |
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} |
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static void * |
txBPFPacket(sched_task_t *task) |
txBPFPacket(sched_task_t *task) |
{ |
{ |
rpc_cli_t *c = TASK_ARG(task); |
rpc_cli_t *c = TASK_ARG(task); |
Line 781 rxBPFPacket(sched_task_t *task)
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Line 954 rxBPFPacket(sched_task_t *task)
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len = ntohl(rpc->call_len); |
len = ntohl(rpc->call_len); |
if (len > AIT_LEN(&c->cli_buf)) |
if (len > AIT_LEN(&c->cli_buf)) |
AIT_RE_BUF(&c->cli_buf, len); |
AIT_RE_BUF(&c->cli_buf, len); |
memcpy(AIT_GET_BUF(&c->cli_buf), rpc, AIT_LEN(&c->cli_buf)); | memcpy(AIT_GET_BUF(&c->cli_buf), rpc, len); |
rpc = (struct tagRPCCall*) AIT_GET_BUF(&c->cli_buf); |
rpc = (struct tagRPCCall*) AIT_GET_BUF(&c->cli_buf); |
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c->cli_sock = TASK_FD(task); |
c->cli_sock = TASK_FD(task); |
Line 1305 rpc_srv_endBLOBServer(rpc_srv_t * __restrict srv)
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Line 1478 rpc_srv_endBLOBServer(rpc_srv_t * __restrict srv)
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srv->srv_blob.kill = 1; |
srv->srv_blob.kill = 1; |
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schedEnd(&srv->srv_blob.root); |
schedEnd(&srv->srv_blob.root); |
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if (srv->srv_blob.server.cli_sa.sa.sa_family == AF_LOCAL) |
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unlink(srv->srv_blob.server.cli_sa.sun.sun_path); |
} |
} |
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/* |
/* |
Line 1406 rpc_srv_initServer(u_char InstID, int concurentClients
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Line 1582 rpc_srv_initServer(u_char InstID, int concurentClients
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rpc_SetErr(EINVAL, "Invalid parameters can`t init RPC server"); |
rpc_SetErr(EINVAL, "Invalid parameters can`t init RPC server"); |
return NULL; |
return NULL; |
} |
} |
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if (!Port && proto < SOCK_RAW) |
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Port = RPC_DEFPORT; |
if (!e_gethostbyname(csHost, Port, &sa)) |
if (!e_gethostbyname(csHost, Port, &sa)) |
return NULL; |
return NULL; |
if (!Port) |
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Port = RPC_DEFPORT; |
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if (!proto) |
if (!proto) |
proto = SOCK_STREAM; |
proto = SOCK_STREAM; |
if (netBuf < RPC_MIN_BUFSIZ) |
if (netBuf < RPC_MIN_BUFSIZ) |
Line 1465 rpc_srv_initServer(u_char InstID, int concurentClients
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Line 1641 rpc_srv_initServer(u_char InstID, int concurentClients
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} |
} |
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/* 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 1526 rpc_srv_endServer(rpc_srv_t ** __restrict psrv)
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Line 1703 rpc_srv_endServer(rpc_srv_t ** __restrict psrv)
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sleep(RPC_SCHED_POLLING); |
sleep(RPC_SCHED_POLLING); |
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schedEnd(&(*psrv)->srv_root); |
schedEnd(&(*psrv)->srv_root); |
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if ((*psrv)->srv_server.cli_sa.sa.sa_family == AF_LOCAL) |
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unlink((*psrv)->srv_server.cli_sa.sun.sun_path); |
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pthread_mutex_destroy(&(*psrv)->srv_funcs.mtx); |
pthread_mutex_destroy(&(*psrv)->srv_funcs.mtx); |
e_free(*psrv); |
e_free(*psrv); |