1 | /* |
1 | /* |
2 | * libev win32 compatibility cruft (_not_ a backend) |
2 | * libev win32 compatibility cruft (_not_ a backend) |
3 | * |
3 | * |
4 | * Copyright (c) 2007,2008 Marc Alexander Lehmann <libev@schmorp.de> |
4 | * Copyright (c) 2007,2008,2009 Marc Alexander Lehmann <libev@schmorp.de> |
5 | * All rights reserved. |
5 | * All rights reserved. |
6 | * |
6 | * |
7 | * Redistribution and use in source and binary forms, with or without modifica- |
7 | * Redistribution and use in source and binary forms, with or without modifica- |
8 | * tion, are permitted provided that the following conditions are met: |
8 | * tion, are permitted provided that the following conditions are met: |
9 | * |
9 | * |
… | |
… | |
52 | static int |
52 | static int |
53 | ev_pipe (int filedes [2]) |
53 | ev_pipe (int filedes [2]) |
54 | { |
54 | { |
55 | struct sockaddr_in addr = { 0 }; |
55 | struct sockaddr_in addr = { 0 }; |
56 | int addr_size = sizeof (addr); |
56 | int addr_size = sizeof (addr); |
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57 | struct sockaddr_in adr2; |
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58 | int adr2_size = sizeof (adr2); |
57 | SOCKET listener; |
59 | SOCKET listener; |
58 | SOCKET sock [2] = { -1, -1 }; |
60 | SOCKET sock [2] = { -1, -1 }; |
59 | |
61 | |
60 | if ((listener = socket (AF_INET, SOCK_STREAM, 0)) == INVALID_SOCKET) |
62 | if ((listener = socket (AF_INET, SOCK_STREAM, 0)) == INVALID_SOCKET) |
61 | return -1; |
63 | return -1; |
… | |
… | |
65 | addr.sin_port = 0; |
67 | addr.sin_port = 0; |
66 | |
68 | |
67 | if (bind (listener, (struct sockaddr *)&addr, addr_size)) |
69 | if (bind (listener, (struct sockaddr *)&addr, addr_size)) |
68 | goto fail; |
70 | goto fail; |
69 | |
71 | |
70 | if (getsockname(listener, (struct sockaddr *)&addr, &addr_size)) |
72 | if (getsockname (listener, (struct sockaddr *)&addr, &addr_size)) |
71 | goto fail; |
73 | goto fail; |
72 | |
74 | |
73 | if (listen (listener, 1)) |
75 | if (listen (listener, 1)) |
74 | goto fail; |
76 | goto fail; |
75 | |
77 | |
76 | if ((sock [0] = socket (AF_INET, SOCK_STREAM, 0)) == INVALID_SOCKET) |
78 | if ((sock [0] = socket (AF_INET, SOCK_STREAM, 0)) == INVALID_SOCKET) |
77 | goto fail; |
79 | goto fail; |
78 | |
80 | |
79 | if (connect (sock[0], (struct sockaddr *)&addr, addr_size)) |
81 | if (connect (sock [0], (struct sockaddr *)&addr, addr_size)) |
80 | goto fail; |
82 | goto fail; |
81 | |
83 | |
82 | if ((sock[1] = accept (listener, 0, 0)) < 0) |
84 | if ((sock [1] = accept (listener, 0, 0)) < 0) |
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85 | goto fail; |
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86 | |
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87 | /* windows vista returns fantasy port numbers for sockets: |
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88 | * example for two interconnected tcp sockets: |
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89 | * |
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90 | * (Socket::unpack_sockaddr_in getsockname $sock0)[0] == 53364 |
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91 | * (Socket::unpack_sockaddr_in getpeername $sock0)[0] == 53363 |
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92 | * (Socket::unpack_sockaddr_in getsockname $sock1)[0] == 53363 |
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93 | * (Socket::unpack_sockaddr_in getpeername $sock1)[0] == 53365 |
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94 | * |
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95 | * wow! tridirectional sockets! |
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96 | * |
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97 | * this way of checking ports seems to work: |
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98 | */ |
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99 | if (getpeername (sock [0], (struct sockaddr *)&addr, &addr_size)) |
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100 | goto fail; |
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101 | |
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102 | if (getsockname (sock [1], (struct sockaddr *)&adr2, &adr2_size)) |
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103 | goto fail; |
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104 | |
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105 | errno = WSAEINVAL; |
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106 | if (addr_size != adr2_size |
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107 | || addr.sin_addr.s_addr != adr2.sin_addr.s_addr /* just to be sure, I mean, it's windows */ |
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108 | || addr.sin_port != adr2.sin_port) |
83 | goto fail; |
109 | goto fail; |
84 | |
110 | |
85 | closesocket (listener); |
111 | closesocket (listener); |
86 | |
112 | |
87 | #if EV_SELECT_IS_WINSOCKET |
113 | #if EV_SELECT_IS_WINSOCKET |