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1 office 1 /**
2 * @file BDatagram_win.h
3 * @author Ambroz Bizjak <ambrop7@gmail.com>
4 *
5 * @section LICENSE
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * 3. Neither the name of the author nor the
15 * names of its contributors may be used to endorse or promote products
16 * derived from this software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
20 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
21 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
22 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
23 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
24 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
25 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
27 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 */
29  
30 #include <windows.h>
31 #include <winsock2.h>
32 #ifdef BADVPN_USE_SHIPPED_MSWSOCK
33 # include <misc/mswsock.h>
34 #else
35 # include <mswsock.h>
36 #endif
37  
38 #include <misc/debugerror.h>
39 #include <base/DebugObject.h>
40  
41 struct BDatagram_sys_addr {
42 int len;
43 union {
44 struct sockaddr generic;
45 struct sockaddr_in ipv4;
46 struct sockaddr_in6 ipv6;
47 } addr;
48 };
49  
50 struct BDatagram_s {
51 BReactor *reactor;
52 void *user;
53 BDatagram_handler handler;
54 SOCKET sock;
55 LPFN_WSASENDMSG fnWSASendMsg;
56 LPFN_WSARECVMSG fnWSARecvMsg;
57 int aborted;
58 struct {
59 BReactorIOCPOverlapped olap;
60 int have_addrs;
61 BAddr remote_addr;
62 BIPAddr local_addr;
63 int inited;
64 int mtu;
65 PacketPassInterface iface;
66 BPending job;
67 int data_len;
68 uint8_t *data;
69 int data_busy;
70 struct BDatagram_sys_addr sysaddr;
71 union {
72 char in[WSA_CMSG_SPACE(sizeof(struct in_pktinfo))];
73 char in6[WSA_CMSG_SPACE(sizeof(struct in6_pktinfo))];
74 } cdata;
75 WSAMSG msg;
76 } send;
77 struct {
78 BReactorIOCPOverlapped olap;
79 int started;
80 int have_addrs;
81 BAddr remote_addr;
82 BIPAddr local_addr;
83 int inited;
84 int mtu;
85 PacketRecvInterface iface;
86 BPending job;
87 int data_have;
88 uint8_t *data;
89 int data_busy;
90 struct BDatagram_sys_addr sysaddr;
91 union {
92 char in[WSA_CMSG_SPACE(sizeof(struct in_pktinfo))];
93 char in6[WSA_CMSG_SPACE(sizeof(struct in6_pktinfo))];
94 } cdata;
95 WSAMSG msg;
96 } recv;
97 DebugError d_err;
98 DebugObject d_obj;
99 };