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| 1 /* | |
| 2 * Copyright 2011 The Native Client Authors. All rights reserved. | |
| 3 * Use of this source code is governed by a BSD-style license that can | |
| 4 * be found in the LICENSE file. | |
| 5 */ | |
| 6 #include <winsock2.h> | |
| 7 | |
| 8 #include "debug_conn/debug_socket_impl.h" | |
| 9 #include "debug_conn/debug_util.h" | |
| 10 | |
| 11 #define CHECK_ERROR() DebugSocketLogError(__FILE__, __LINE__, 1) | |
| 12 #define PROCESS_ERROR() DebugSocketLogError(__FILE__, __LINE__, 0) | |
| 13 | |
| 14 static int s_SocketsAvailible = 0; | |
| 15 DSError DebugSocketInit() | |
| 16 { | |
| 17 WORD wVersionRequested; | |
| 18 WSADATA wsaData; | |
| 19 int err; | |
| 20 | |
| 21 // Make sure to request the use of sockets. | |
| 22 // NOTE: It is safe to call Startup multiple times | |
| 23 wVersionRequested = MAKEWORD(2, 2); | |
| 24 err = WSAStartup(wVersionRequested, &wsaData); | |
| 25 if (err != 0) { | |
| 26 // We could not find a matching DLL | |
| 27 debug_log_error("WSAStartup failed with error: %d\n", err); | |
| 28 return DSE_ERROR; | |
| 29 } | |
| 30 | |
| 31 if (HIBYTE(wsaData.wVersion) != 2) | |
| 32 { | |
| 33 // We couldn't get a matching version | |
| 34 debug_log_error("Could not find a usable version of Winsock.dll\n"); | |
| 35 WSACleanup(); | |
| 36 return DSE_ERROR; | |
| 37 } | |
| 38 | |
| 39 s_SocketsAvailible = 1; | |
| 40 return DSE_OK; | |
| 41 } | |
| 42 | |
| 43 DSError DebugSocketExit() { | |
| 44 // Make sure to signal we are done with sockets | |
| 45 // NOTE: It must be called as many times as Startup. | |
| 46 if (s_SocketsAvailible) | |
| 47 { | |
| 48 s_SocketsAvailible = 0; | |
| 49 WSACleanup(); | |
| 50 } | |
| 51 | |
| 52 return DSE_OK; | |
| 53 } | |
| 54 | |
| 55 DSError DebugSocketCreate(DSHandle *h) { | |
| 56 SOCKET s = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP); | |
| 57 | |
| 58 if (-1 == s) | |
| 59 return PROCESS_ERROR(); | |
| 60 | |
| 61 *h = (DSHandle) s; | |
| 62 return DSE_OK; | |
| 63 } | |
| 64 | |
| 65 | |
| 66 DSError DebugSocketClose(DSHandle handle) { | |
| 67 SOCKET s = (SOCKET) handle; | |
| 68 | |
| 69 // Check this isn't already invalid | |
| 70 if (-1 == s) | |
| 71 return DSE_OK; | |
| 72 | |
| 73 if (shutdown(s, SD_BOTH)) | |
| 74 return CHECK_ERROR(); | |
| 75 | |
| 76 // If not then close it | |
| 77 if (closesocket(s) != 0) | |
| 78 return CHECK_ERROR(); | |
| 79 | |
| 80 return DSE_OK; | |
| 81 } | |
| 82 | |
| 83 | |
| 84 int DebugSocketGetError(int block_ok) { | |
| 85 int err = GetLastError(); | |
| 86 | |
| 87 if (block_ok && (WSAEWOULDBLOCK == err)) | |
| 88 return 0; | |
| 89 | |
| 90 return err; | |
| 91 } | |
| 92 | |
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Chromium Code Reviews
Issue 10928195:
First round of dead file removal (Closed)
Base URL: https://github.com/samclegg/nativeclient-sdk.git@master