1 files changed, 147 insertions, 0 deletions
diff --git a/src/client/windows/crash_generation/client_info.cc b/src/client/windows/crash_generation/client_info.cc
new file mode 100644
index 00000000..efd3b029
--- /dev/null
+++ b/src/client/windows/crash_generation/client_info.cc
@@ -0,0 +1,147 @@
+// Copyright (c) 2008, Google Inc.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#include "client/windows/crash_generation/client_info.h"
+
+namespace google_breakpad {
+
+ClientInfo::ClientInfo(CrashGenerationServer* crash_server,
+                       DWORD pid,
+                       MINIDUMP_TYPE dump_type,
+                       DWORD* thread_id,
+                       EXCEPTION_POINTERS** ex_info,
+                       MDRawAssertionInfo* assert_info)
+    : crash_server_(crash_server),
+      pid_(pid),
+      dump_type_(dump_type),
+      ex_info_(ex_info),
+      assert_info_(assert_info),
+      thread_id_(thread_id),
+      process_handle_(NULL),
+      dump_requested_handle_(NULL),
+      dump_generated_handle_(NULL),
+      dump_request_wait_handle_(NULL),
+      process_exit_wait_handle_(NULL) {
+}
+
+bool ClientInfo::Initialize() {
+  process_handle_ = OpenProcess(PROCESS_ALL_ACCESS, FALSE, pid_);
+  if (!process_handle_) {
+    return false;
+  }
+
+  dump_requested_handle_ = CreateEvent(NULL,    // Security attributes.
+                                       TRUE,    // Manual reset.
+                                       FALSE,   // Initial state.
+                                       NULL);   // Name.
+  if (!dump_requested_handle_) {
+    return false;
+  }
+
+  dump_generated_handle_ = CreateEvent(NULL,    // Security attributes.
+                                       TRUE,    // Manual reset.
+                                       FALSE,   // Initial state.
+                                       NULL);   // Name.
+  return dump_generated_handle_ != NULL;
+}
+
+ClientInfo::~ClientInfo() {
+  if (process_handle_) {
+    CloseHandle(process_handle_);
+  }
+
+  if (dump_requested_handle_) {
+    CloseHandle(dump_requested_handle_);
+  }
+
+  if (dump_generated_handle_) {
+    CloseHandle(dump_generated_handle_);
+  }
+
+  if (dump_request_wait_handle_) {
+    // Wait for callbacks that might already be running to finish.
+    UnregisterWaitEx(dump_request_wait_handle_, INVALID_HANDLE_VALUE);
+  }
+
+  if (process_exit_wait_handle_) {
+    // Wait for the callback that might already be running to finish.
+    UnregisterWaitEx(process_exit_wait_handle_, INVALID_HANDLE_VALUE);
+  }
+}
+
+bool ClientInfo::UnregisterWaits() {
+  bool success = true;
+
+  if (dump_request_wait_handle_) {
+    if (!UnregisterWait(dump_request_wait_handle_)) {
+      success = false;
+    } else {
+      dump_request_wait_handle_ = NULL;
+    }
+  }
+
+  if (process_exit_wait_handle_) {
+    if (!UnregisterWait(process_exit_wait_handle_)) {
+      success = false;
+    } else {
+      process_exit_wait_handle_ = NULL;
+    }
+  }
+
+  return success;
+}
+
+bool ClientInfo::GetClientExceptionInfo(
+    EXCEPTION_POINTERS** ex_info) const {
+  SIZE_T bytes_count = 0;
+  if (!ReadProcessMemory(process_handle_,
+                         ex_info_,
+                         ex_info,
+                         sizeof(*ex_info),
+                         &bytes_count)) {
+    return false;
+  }
+
+  return bytes_count == sizeof(*ex_info);
+}
+
+bool ClientInfo::GetClientThreadId(DWORD* thread_id) const {
+  SIZE_T bytes_count = 0;
+  if (!ReadProcessMemory(process_handle_,
+                         thread_id_,
+                         thread_id,
+                         sizeof(*thread_id),
+                         &bytes_count)) {
+    return false;
+  }
+
+  return bytes_count == sizeof(*thread_id);
+}
+
+}  // namespace google_breakpad