version 1.13, 2013/11/15 09:55:52
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version 1.16, 2015/01/15 01:42:37
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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 149 rpc_addPktSession(rpc_sess_t *p, rpc_sess_t *s)
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Line 149 rpc_addPktSession(rpc_sess_t *p, rpc_sess_t *s)
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* @sa = check client address, if you use udp protocol |
* @sa = check client address, if you use udp protocol |
* @buf = buffer |
* @buf = buffer |
* @blen = buffer length |
* @blen = buffer length |
* return: -1 error or >-1 readed bytes into buffer | * return: -1 error, 0 EOF or or >0 readed bytes into buffer |
*/ |
*/ |
ssize_t |
ssize_t |
rpc_Read(int sock, int type, int flags, sockaddr_t * __restrict sa, |
rpc_Read(int sock, int type, int flags, sockaddr_t * __restrict sa, |
Line 158 rpc_Read(int sock, int type, int flags, sockaddr_t * _
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Line 158 rpc_Read(int sock, int type, int flags, sockaddr_t * _
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struct pollfd pfd; |
struct pollfd pfd; |
sockaddr_t sa2; |
sockaddr_t sa2; |
socklen_t salen; |
socklen_t salen; |
int ret = 0, len; | int ret = 0, len, cx = 0; |
| ait_val_t v = AIT_VAL_INIT; |
| struct ether_header *eh; |
| struct bpf_hdr *h; |
| ether_addr_t bcst = {{ [0 ... sizeof bcst - 1] = 0xff }}; |
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if (type == SOCK_BPF && sa) { |
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AIT_SET_BUF(&v, NULL, blen); |
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h = (struct bpf_hdr*) AIT_GET_BUF(&v); |
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} |
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pfd.fd = sock; |
pfd.fd = sock; |
pfd.events = POLLIN | POLLPRI; |
pfd.events = POLLIN | POLLPRI; |
memset(buf, 0, blen); |
memset(buf, 0, blen); |
Line 173 rpc_Read(int sock, int type, int flags, sockaddr_t * _
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Line 182 rpc_Read(int sock, int type, int flags, sockaddr_t * _
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LOGERR; |
LOGERR; |
else |
else |
rpc_SetErr(ETIMEDOUT, "Timeout reached! Server not respond"); |
rpc_SetErr(ETIMEDOUT, "Timeout reached! Server not respond"); |
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if (type == SOCK_BPF) |
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AIT_FREE_VAL(&v); |
return -1; |
return -1; |
} |
} |
if (type == SOCK_STREAM) |
if (type == SOCK_STREAM) |
ret = recv(sock, buf, len, flags); |
ret = recv(sock, buf, len, flags); |
else { | else if (type == SOCK_BPF && sa) { |
| ret = read(sock, AIT_GET_BUF(&v), AIT_LEN(&v)); |
| if (ret > 0) { |
| ret -= h->bh_hdrlen; |
| if (ret < h->bh_caplen || h->bh_caplen != h->bh_datalen || |
| ret < ETHER_HDR_LEN + sizeof(struct tagRPCCall)) { |
| if (cx < 3) { |
| cx++; |
| ret ^= ret; |
| continue; /* wait for known address */ |
| } else { |
| AIT_FREE_VAL(&v); |
| return -1; |
| } |
| } |
| ret = h->bh_caplen; |
| eh = (struct ether_header*) (AIT_GET_BUF(&v) + h->bh_hdrlen); |
| ret -= ETHER_HDR_LEN; |
| if (eh->ether_type != ntohs(RPC_DEFPORT)) { |
| if (cx < 3) { |
| cx++; |
| ret ^= ret; |
| continue; /* wait for known address */ |
| } else { |
| AIT_FREE_VAL(&v); |
| return -1; |
| } |
| } |
| #if 0 |
| else |
| e_getlinkbymac((const ether_addr_t*) eh->ether_shost, &sa2); |
| if (sa && e_addrcmp(sa, &sa2, 0)) { |
| #else |
| if (!memcmp(bcst.octet, eh->ether_dhost, sizeof bcst) || |
| !memcmp(bcst.octet, eh->ether_shost, sizeof bcst)) { |
| #endif |
| if (cx < 3) { |
| cx++; |
| ret ^= ret; |
| continue; /* wait for known address */ |
| } else { |
| AIT_FREE_VAL(&v); |
| return -1; |
| } |
| } |
| memcpy(buf, (u_char*) (eh + 1), MIN(ret, len)); |
| AIT_FREE_VAL(&v); |
| return ret; |
| } |
| } else { |
ret = recvfrom(sock, buf, len, flags, &sa2.sa, &salen); |
ret = recvfrom(sock, buf, len, flags, &sa2.sa, &salen); |
if (ret > -1 && sa && e_addrcmp(sa, &sa2, 42)) { |
if (ret > -1 && sa && e_addrcmp(sa, &sa2, 42)) { |
rpc_SetErr(ERPCMISMATCH, | ret ^= ret; |
"Received RPC response from unknown address"); | continue; /* wait for known address */ |
return -1; | |
} |
} |
} |
} |
if (ret == -1) { |
if (ret == -1) { |
LOGERR; |
LOGERR; |
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if (type == SOCK_BPF) |
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AIT_FREE_VAL(&v); |
return -1; |
return -1; |
} |
} |
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if (!ret) { /* EOF */ |
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if (type == SOCK_BPF) |
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AIT_FREE_VAL(&v); |
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return 0; |
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} |
} |
} |
ret = blen - len; |
ret = blen - len; |
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if (type == SOCK_BPF) |
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AIT_FREE_VAL(&v); |
return ret; |
return ret; |
} |
} |
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Line 204 rpc_Read(int sock, int type, int flags, sockaddr_t * _
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Line 272 rpc_Read(int sock, int type, int flags, sockaddr_t * _
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* @sa = send to client address, if you use udp protocol |
* @sa = send to client address, if you use udp protocol |
* @buf = buffer |
* @buf = buffer |
* @blen = buffer length |
* @blen = buffer length |
* return: -1 error or >-1 written bytes into buffer | * return: -1 error, 0 EOF or >0 written bytes into buffer |
*/ |
*/ |
ssize_t |
ssize_t |
rpc_Write(int sock, int type, int flags, sockaddr_t * __restrict sa, |
rpc_Write(int sock, int type, int flags, sockaddr_t * __restrict sa, |
Line 212 rpc_Write(int sock, int type, int flags, sockaddr_t *
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Line 280 rpc_Write(int sock, int type, int flags, sockaddr_t *
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{ |
{ |
struct pollfd pfd; |
struct pollfd pfd; |
int ret = 0, len = 0; |
int ret = 0, len = 0; |
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ait_val_t v = AIT_VAL_INIT; |
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struct ether_header *eh; |
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if (type == SOCK_BPF && sa) { |
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AIT_SET_BUF(&v, NULL, blen + sizeof(struct ether_header)); |
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eh = (struct ether_header*) AIT_GET_BUF(&v); |
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memcpy(eh->ether_dhost, LLADDR(&sa->sdl), ETHER_ADDR_LEN); |
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eh->ether_type = htons(RPC_DEFPORT); |
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memcpy(eh + 1, buf, blen); |
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blen += sizeof(struct ether_header); |
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} |
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pfd.fd = sock; |
pfd.fd = sock; |
pfd.events = POLLOUT; |
pfd.events = POLLOUT; |
for (len = blen; len > 0; len -= ret, buf += ret) { |
for (len = blen; len > 0; len -= ret, buf += ret) { |
if ((ret = poll(&pfd, 1, DEF_RPC_TIMEOUT * 1000)) < 1 || |
if ((ret = poll(&pfd, 1, DEF_RPC_TIMEOUT * 1000)) < 1 || |
pfd.revents & (POLLERR | POLLHUP | POLLNVAL)) { |
pfd.revents & (POLLERR | POLLHUP | POLLNVAL)) { |
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#if 0 |
if (!ret) |
if (!ret) |
continue; |
continue; |
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#endif |
if (ret > 0) |
if (ret > 0) |
rpc_SetErr(EPIPE, "Disconnected RPC session\n"); |
rpc_SetErr(EPIPE, "Disconnected RPC session\n"); |
else |
else |
LOGERR; |
LOGERR; |
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if (type == SOCK_BPF) |
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AIT_FREE_VAL(&v); |
return -1; |
return -1; |
} |
} |
if (type == SOCK_STREAM) |
if (type == SOCK_STREAM) |
ret = send(sock, buf, len, flags); |
ret = send(sock, buf, len, flags); |
else if (sa) | else if (type == SOCK_BPF && sa) { |
| ret = write(sock, AIT_GET_BUF(&v), AIT_LEN(&v)); |
| } else if (sa) |
ret = sendto(sock, buf, len, flags, &sa->sa, sa->sa.sa_len); |
ret = sendto(sock, buf, len, flags, &sa->sa, sa->sa.sa_len); |
else { |
else { |
rpc_SetErr(EINVAL, "Invalid argument(s)!"); |
rpc_SetErr(EINVAL, "Invalid argument(s)!"); |
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if (type == SOCK_BPF) |
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AIT_FREE_VAL(&v); |
return -1; |
return -1; |
} |
} |
if (ret == -1) { |
if (ret == -1) { |
LOGERR; |
LOGERR; |
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if (type == SOCK_BPF) |
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AIT_FREE_VAL(&v); |
return -1; |
return -1; |
} |
} |
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if (!ret) { /* EOF */ |
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if (type == SOCK_BPF) |
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AIT_FREE_VAL(&v); |
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return 0; |
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} |
} |
} |
ret = blen - len; |
ret = blen - len; |
if (ret != blen) { |
if (ret != blen) { |
rpc_SetErr(EPROCUNAVAIL, "RPC request, should be send %d bytes, " |
rpc_SetErr(EPROCUNAVAIL, "RPC request, should be send %d bytes, " |
"really sended %d bytes", len, ret); | "really sended %d bytes", blen, ret); |
| if (type == SOCK_BPF) |
| AIT_FREE_VAL(&v); |
return -1; |
return -1; |
} |
} |
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if (type == SOCK_BPF) |
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AIT_FREE_VAL(&v); |
return ret; |
return ret; |
} |
} |