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1 office 1 /**
2 * @file BConnection_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 BListener_addrbuf_stub {
42 union {
43 struct sockaddr_in ipv4;
44 struct sockaddr_in6 ipv6;
45 } addr;
46 uint8_t extra[16];
47 };
48  
49 struct BListener_s {
50 BReactor *reactor;
51 void *user;
52 BListener_handler handler;
53 int sys_family;
54 SOCKET sock;
55 LPFN_ACCEPTEX fnAcceptEx;
56 LPFN_GETACCEPTEXSOCKADDRS fnGetAcceptExSockaddrs;
57 BReactorIOCPOverlapped olap;
58 SOCKET newsock;
59 uint8_t addrbuf[2 * sizeof(struct BListener_addrbuf_stub)];
60 BPending next_job;
61 int busy;
62 int ready;
63 DebugObject d_obj;
64 };
65  
66 struct BConnector_s {
67 BReactor *reactor;
68 void *user;
69 BConnector_handler handler;
70 SOCKET sock;
71 LPFN_CONNECTEX fnConnectEx;
72 BReactorIOCPOverlapped olap;
73 int busy;
74 int ready;
75 DebugObject d_obj;
76 };
77  
78 struct BConnection_s {
79 BReactor *reactor;
80 void *user;
81 BConnection_handler handler;
82 SOCKET sock;
83 int aborted;
84 struct {
85 BReactorIOCPOverlapped olap;
86 int inited;
87 StreamPassInterface iface;
88 int busy;
89 int busy_data_len;
90 } send;
91 struct {
92 BReactorIOCPOverlapped olap;
93 int closed;
94 int inited;
95 StreamRecvInterface iface;
96 int busy;
97 int busy_data_len;
98 } recv;
99 DebugError d_err;
100 DebugObject d_obj;
101 };