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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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