Utils/Termlib: Extend the completion API
[senf.git] / PPI / SocketSink.cc
1 // $Id: SocketSink.cc 661 2008-02-05 09:53:54Z dw6 $
2 //
3 // Copyright (C) 2007
4 // Fraunhofer Institute for Open Communication Systems (FOKUS)
5 // Competence Center NETwork research (NET), St. Augustin, GERMANY
6 //    David Wagner <dw6@berlios.de>
7 //
8 // This program is free software; you can redistribute it and/or modify
9 // it under the terms of the GNU General Public License as published by
10 // the Free Software Foundation; either version 2 of the License, or
11 // (at your option) any later version.
12 //
13 // This program is distributed in the hope that it will be useful,
14 // but WITHOUT ANY WARRANTY; without even the implied warranty of
15 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16 // GNU General Public License for more details.
17 //
18 // You should have received a copy of the GNU General Public License
19 // along with this program; if not, write to the
20 // Free Software Foundation, Inc.,
21 // 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
22
23 /** \file
24     \brief SocketSink non-inline non-template implementation */
25
26 // Custom includes
27 #include "SocketSink.hh"
28 #include "../Socket/ClientSocketHandle.hh"
29
30 #define prefix_
31
32 prefix_ senf::ppi::IPv4SourceForcingDgramWriter::IPv4SourceForcingDgramWriter(){
33     source_ = senf::INet4Address::from_string("0.0.0.0");
34     destination_ = senf::INet4Address::from_string("0.0.0.0");
35     protocolId_ = 0;
36 }
37
38 prefix_ senf::ppi::IPv4SourceForcingDgramWriter::IPv4SourceForcingDgramWriter(senf::INet4Address sourceAddr, senf::INet4SocketAddress destAddr){
39     source(sourceAddr);
40     destination(destAddr);
41 }
42
43 prefix_ void senf::ppi::IPv4SourceForcingDgramWriter::source(senf::INet4Address & source){
44     source_ = source;
45 }
46 prefix_ void senf::ppi::IPv4SourceForcingDgramWriter::destination(senf::INet4SocketAddress & dest){
47     destination_ = dest.address();
48     protocolId_ = dest.port();
49 }
50
51 prefix_ void senf::ppi::IPv4SourceForcingDgramWriter::operator()(Handle handle, 
52                                                                  Packet const & packet){
53     sendtoandfrom(
54             handle.fd(),
55             reinterpret_cast<void*> (&*packet.data().begin()),
56             packet.size(),
57             reinterpret_cast<in_addr*> (&destination_),
58             protocolId_,
59             reinterpret_cast<in_addr*> (&source_));
60 }
61
62 prefix_ int senf::ppi::IPv4SourceForcingDgramWriter::sendtoandfrom(
63         int sock,
64         const void *data,
65         size_t dataLen,
66         const in_addr *dst,
67         int port,
68         const in_addr *src)
69 {
70     uint8_t cbuf[CMSG_SPACE(sizeof(struct in_pktinfo))];
71     struct cmsghdr *c = (struct cmsghdr *)cbuf;
72     struct in_pktinfo *pi;
73     struct iovec iov;
74     struct msghdr h;
75
76     c->cmsg_len = CMSG_LEN(sizeof(struct in_pktinfo));
77     c->cmsg_level = IPPROTO_IP;
78     c->cmsg_type = IP_PKTINFO;
79
80     pi = (struct in_pktinfo *)CMSG_DATA(c);
81     pi->ipi_ifindex = 0;
82     memcpy(&pi->ipi_addr, src, 16);
83
84     iov.iov_base = (void *)data;
85     iov.iov_len = dataLen;
86
87     sockaddr_in dstpeer;
88     memset(&dstpeer, 0, sizeof(dstpeer));
89     dstpeer.sin_family = AF_INET;
90     dstpeer.sin_addr = *dst;
91     dstpeer.sin_port = htons(port);
92
93     memset(&h, 0, sizeof(h));
94     h.msg_name = (struct sockaddr *)&dstpeer;
95     h.msg_namelen = sizeof(dstpeer);
96     h.msg_iov = &iov;
97     h.msg_iovlen = 1;
98     h.msg_control = c;
99     h.msg_controllen = sizeof(cbuf);
100
101     return sendmsg(sock, &h, 0);
102 }
103
104 prefix_ senf::ppi::IPv6SourceForcingDgramWriter::IPv6SourceForcingDgramWriter(){
105     source_ = senf::INet6Address::from_string("0::0");
106     destination_ = senf::INet6Address::from_string("0::0");
107     protocolId_ = 0;
108 }
109
110 prefix_ senf::ppi::IPv6SourceForcingDgramWriter::IPv6SourceForcingDgramWriter(senf::INet6Address sourceAddr, senf::INet6SocketAddress destAddr){
111     source(sourceAddr);
112     destination(destAddr);
113 }
114
115 prefix_ void senf::ppi::IPv6SourceForcingDgramWriter::source(senf::INet6Address & source){
116     source_ = source;
117 }
118 prefix_ void senf::ppi::IPv6SourceForcingDgramWriter::destination(senf::INet6SocketAddress & dest){
119     destination_ = dest.address();
120     protocolId_ = dest.port();
121 }
122
123 prefix_ void senf::ppi::IPv6SourceForcingDgramWriter::operator()(Handle handle, 
124                                                                  Packet const & packet){
125     sendtoandfrom(
126             handle.fd(),
127             reinterpret_cast<void*> (&*packet.data().begin()),
128             packet.size(),
129             reinterpret_cast<in6_addr*> (&destination_),
130             protocolId_,
131             reinterpret_cast<in6_addr*> (&source_));
132 }
133
134 prefix_ int senf::ppi::IPv6SourceForcingDgramWriter::sendtoandfrom(
135         int sock,
136         const void *data,
137         size_t dataLen,
138         const in6_addr *dst,
139         int port,
140         const in6_addr *src)
141 {
142     uint8_t cbuf[CMSG_SPACE(sizeof(struct in6_pktinfo))];
143     struct cmsghdr *c = (struct cmsghdr *)cbuf;
144     struct in6_pktinfo *pi;
145     struct iovec iov;
146     struct msghdr h;
147
148     c->cmsg_len = CMSG_LEN(sizeof(struct in6_pktinfo));
149     c->cmsg_level = IPPROTO_IPV6;
150     c->cmsg_type = IPV6_PKTINFO;
151
152     pi = (struct in6_pktinfo *)CMSG_DATA(c);
153     pi->ipi6_ifindex = 0;
154     memcpy(&pi->ipi6_addr, src, 16);
155
156     iov.iov_base = (void *)data;
157     iov.iov_len = dataLen;
158
159     sockaddr_in6 dstpeer;
160     memset(&dstpeer, 0, sizeof(dstpeer));
161     dstpeer.sin6_family = AF_INET6;
162     dstpeer.sin6_addr = *dst;
163     dstpeer.sin6_port = htons(port);
164
165     memset(&h, 0, sizeof(h));
166     h.msg_name = (struct sockaddr *)&dstpeer;
167     h.msg_namelen = sizeof(dstpeer);
168     h.msg_iov = &iov;
169     h.msg_iovlen = 1;
170     h.msg_control = c;
171     h.msg_controllen = sizeof(cbuf);
172
173     return sendmsg(sock, &h, 0);
174 }
175
176 #undef prefix_