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Side by Side Diff: third_party/breakpad/src/client/windows/crash_generation/client_info.h

Issue 624713003: Keep only base/extractor.[cc|h]. (Closed) Base URL: https://chromium.googlesource.com/external/omaha.git@master
Patch Set: Created 6 years, 2 months ago
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1 // Copyright (c) 2008, Google Inc.
2 // All rights reserved.
3 //
4 // Redistribution and use in source and binary forms, with or without
5 // modification, are permitted provided that the following conditions are
6 // met:
7 //
8 // * Redistributions of source code must retain the above copyright
9 // notice, this list of conditions and the following disclaimer.
10 // * Redistributions in binary form must reproduce the above
11 // copyright notice, this list of conditions and the following disclaimer
12 // in the documentation and/or other materials provided with the
13 // distribution.
14 // * Neither the name of Google Inc. nor the names of its
15 // contributors may be used to endorse or promote products derived from
16 // this software without specific prior written permission.
17 //
18 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
21 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
22 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
23 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
24 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
28 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29
30 #ifndef CLIENT_WINDOWS_CRASH_GENERATION_CLIENT_INFO_H__
31 #define CLIENT_WINDOWS_CRASH_GENERATION_CLIENT_INFO_H__
32
33 #include <Windows.h>
34 #include <DbgHelp.h>
35 #include "client/windows/common/ipc_protocol.h"
36 #include "google_breakpad/common/minidump_format.h"
37 #include "processor/scoped_ptr.h"
38
39 namespace google_breakpad {
40
41 class CrashGenerationServer;
42
43 // Abstraction for a crash client process.
44 class ClientInfo {
45 public:
46 // Creates an instance with the given values. Gets the process
47 // handle for the given process id and creates necessary event
48 // objects.
49 ClientInfo(CrashGenerationServer* crash_server,
50 DWORD pid,
51 MINIDUMP_TYPE dump_type,
52 DWORD* thread_id,
53 EXCEPTION_POINTERS** ex_info,
54 MDRawAssertionInfo* assert_info,
55 const CustomClientInfo& custom_client_info);
56
57 ~ClientInfo();
58
59 CrashGenerationServer* crash_server() const { return crash_server_; }
60 DWORD pid() const { return pid_; }
61 MINIDUMP_TYPE dump_type() const { return dump_type_; }
62 EXCEPTION_POINTERS** ex_info() const { return ex_info_; }
63 MDRawAssertionInfo* assert_info() const { return assert_info_; }
64 DWORD* thread_id() const { return thread_id_; }
65 HANDLE process_handle() const { return process_handle_; }
66 HANDLE dump_requested_handle() const { return dump_requested_handle_; }
67 HANDLE dump_generated_handle() const { return dump_generated_handle_; }
68
69 HANDLE dump_request_wait_handle() const {
70 return dump_request_wait_handle_;
71 }
72
73 void set_dump_request_wait_handle(HANDLE value) {
74 dump_request_wait_handle_ = value;
75 }
76
77 HANDLE process_exit_wait_handle() const {
78 return process_exit_wait_handle_;
79 }
80
81 void set_process_exit_wait_handle(HANDLE value) {
82 process_exit_wait_handle_ = value;
83 }
84
85 // Unregister all waits for the client.
86 void UnregisterWaits();
87
88 bool Initialize();
89 bool GetClientExceptionInfo(EXCEPTION_POINTERS** ex_info) const;
90 bool GetClientThreadId(DWORD* thread_id) const;
91
92 // Reads the custom information from the client process address space.
93 bool PopulateCustomInfo();
94
95 // Returns the client custom information.
96 CustomClientInfo GetCustomInfo() const;
97
98 private:
99 // Calcualtes the uptime for the client process, converts it to a string and
100 // stores it in the last entry of client custom info.
101 void SetProcessUptime();
102
103 // Crash generation server.
104 CrashGenerationServer* crash_server_;
105
106 // Client process ID.
107 DWORD pid_;
108
109 // Dump type requested by the client.
110 MINIDUMP_TYPE dump_type_;
111
112 // Address of an EXCEPTION_POINTERS* variable in the client
113 // process address space that will point to an instance of
114 // EXCEPTION_POINTERS containing information about crash.
115 //
116 // WARNING: Do not dereference these pointers as they are pointers
117 // in the address space of another process.
118 EXCEPTION_POINTERS** ex_info_;
119
120 // Address of an instance of MDRawAssertionInfo in the client
121 // process address space that will contain information about
122 // non-exception related crashes like invalid parameter assertion
123 // failures and pure calls.
124 //
125 // WARNING: Do not dereference these pointers as they are pointers
126 // in the address space of another process.
127 MDRawAssertionInfo* assert_info_;
128
129 // Custom information about the client.
130 CustomClientInfo custom_client_info_;
131
132 // Contains the custom client info entries read from the client process
133 // memory. This will be populated only if the method GetClientCustomInfo
134 // is called.
135 scoped_array<CustomInfoEntry> custom_info_entries_;
136
137 // Address of a variable in the client process address space that
138 // will contain the thread id of the crashing client thread.
139 //
140 // WARNING: Do not dereference these pointers as they are pointers
141 // in the address space of another process.
142 DWORD* thread_id_;
143
144 // Client process handle.
145 HANDLE process_handle_;
146
147 // Dump request event handle.
148 HANDLE dump_requested_handle_;
149
150 // Dump generated event handle.
151 HANDLE dump_generated_handle_;
152
153 // Wait handle for dump request event.
154 HANDLE dump_request_wait_handle_;
155
156 // Wait handle for process exit event.
157 HANDLE process_exit_wait_handle_;
158
159 // Time when the client process started. It is used to determine the uptime
160 // for the client process when it signals a crash.
161 FILETIME start_time_;
162
163 // Disallow copy ctor and operator=.
164 ClientInfo(const ClientInfo& client_info);
165 ClientInfo& operator=(const ClientInfo& client_info);
166 };
167
168 } // namespace google_breakpad
169
170 #endif // CLIENT_WINDOWS_CRASH_GENERATION_CLIENT_INFO_H__
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