Adds a modified copy of talk/base to webrtc/base. It is the first step in migrating talk/base to webrtc/base.

BUG=N/A R=andrew@webrtc.org, wu@webrtc.org Review URL: https://webrtc-codereview.appspot.com/12199004 git-svn-id: http://webrtc.googlecode.com/svn/trunk@6107 4adac7df-926f-26a2-2b94-8c16560cd09d
2014-05-12 18:03:09 +00:00
parent f3a5e6afc4
commit 2c7d1b39b9
386 changed files with 84973 additions and 6 deletions
--- a/webrtc/base/winping.h
+++ b/webrtc/base/winping.h
@ -0,0 +1,103 @@
+/*
+ *  Copyright 2004 The WebRTC Project Authors. All rights reserved.
+ *
+ *  Use of this source code is governed by a BSD-style license
+ *  that can be found in the LICENSE file in the root of the source
+ *  tree. An additional intellectual property rights grant can be found
+ *  in the file PATENTS.  All contributing project authors may
+ *  be found in the AUTHORS file in the root of the source tree.
+ */
+
+#ifndef WEBRTC_BASE_WINPING_H__
+#define WEBRTC_BASE_WINPING_H__
+
+#if defined(WEBRTC_WIN)
+
+#include "webrtc/base/win32.h"
+#include "webrtc/base/basictypes.h"
+#include "webrtc/base/IPAddress.h"
+
+namespace rtc {
+
+// This class wraps a Win32 API for doing ICMP pinging.  This API, unlike the
+// the normal socket APIs (as implemented on Win9x), will return an error if
+// an ICMP packet with the dont-fragment bit set is too large.  This means this
+// class can be used to detect the MTU to a given address.
+
+typedef struct ip_option_information {
+    UCHAR   Ttl;                // Time To Live
+    UCHAR   Tos;                // Type Of Service
+    UCHAR   Flags;              // IP header flags
+    UCHAR   OptionsSize;        // Size in bytes of options data
+    PUCHAR  OptionsData;        // Pointer to options data
+} IP_OPTION_INFORMATION, * PIP_OPTION_INFORMATION;
+
+typedef HANDLE (WINAPI *PIcmpCreateFile)();
+
+typedef BOOL (WINAPI *PIcmpCloseHandle)(HANDLE icmp_handle);
+
+typedef HANDLE (WINAPI *PIcmp6CreateFile)();
+
+typedef BOOL (WINAPI *PIcmp6CloseHandle)(HANDLE icmp_handle);
+
+typedef DWORD (WINAPI *PIcmpSendEcho)(
+    HANDLE                   IcmpHandle,
+    ULONG                    DestinationAddress,
+    LPVOID                   RequestData,
+    WORD                     RequestSize,
+    PIP_OPTION_INFORMATION   RequestOptions,
+    LPVOID                   ReplyBuffer,
+    DWORD                    ReplySize,
+    DWORD                    Timeout);
+
+typedef DWORD (WINAPI *PIcmp6SendEcho2)(
+    HANDLE IcmpHandle,
+    HANDLE Event,
+    FARPROC ApcRoutine,
+    PVOID ApcContext,
+    struct sockaddr_in6 *SourceAddress,
+    struct sockaddr_in6 *DestinationAddress,
+    LPVOID RequestData,
+    WORD RequestSize,
+    PIP_OPTION_INFORMATION RequestOptions,
+    LPVOID ReplyBuffer,
+    DWORD ReplySize,
+    DWORD Timeout
+);
+
+class WinPing {
+public:
+    WinPing();
+    ~WinPing();
+
+    // Determines whether the class was initialized correctly.
+    bool IsValid() { return valid_; }
+
+    // Attempts to send a ping with the given parameters.
+    enum PingResult { PING_FAIL, PING_INVALID_PARAMS,
+                      PING_TOO_LARGE, PING_TIMEOUT, PING_SUCCESS };
+    PingResult Ping(
+        IPAddress ip, uint32 data_size, uint32 timeout_millis, uint8 ttl,
+        bool allow_fragments);
+
+private:
+    HMODULE dll_;
+    HANDLE hping_;
+    HANDLE hping6_;
+    PIcmpCreateFile create_;
+    PIcmpCloseHandle close_;
+    PIcmpSendEcho send_;
+    PIcmp6CreateFile create6_;
+    PIcmp6SendEcho2 send6_;
+    char* data_;
+    uint32 dlen_;
+    char* reply_;
+    uint32 rlen_;
+    bool valid_;
+};
+
+} // namespace rtc
+
+#endif // WEBRTC_WIN 
+
+#endif // WEBRTC_BASE_WINPING_H__