Add MinidumpMiscInfoWriter and its test

minidump/minidump_misc_info_writer.cc

+// Copyright 2014 The Crashpad Authors. All rights reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#include "minidump/minidump_misc_info_writer.h"
+
+#include "base/logging.h"
+#include "base/numerics/safe_conversions.h"
+#include "base/strings/utf_string_conversions.h"
+#include "minidump/minidump_writer_util.h"
+#include "util/numeric/safe_assignment.h"
+
+namespace crashpad {
+
+MinidumpMiscInfoWriter::MinidumpMiscInfoWriter()
+    : MinidumpStreamWriter(), misc_info_() {
+}
+
+void MinidumpMiscInfoWriter::SetProcessId(uint32_t process_id) {
+  DCHECK_EQ(state(), kStateMutable);
+
+  misc_info_.ProcessId = process_id;
+  misc_info_.Flags1 |= MINIDUMP_MISC1_PROCESS_ID;
+}
+
+void MinidumpMiscInfoWriter::SetProcessTimes(time_t process_create_time,
+                                             uint32_t process_user_time,
+                                             uint32_t process_kernel_time) {
+  DCHECK_EQ(state(), kStateMutable);
+
+  internal::MinidumpWriterUtil::AssignTimeT(&misc_info_.ProcessCreateTime,
+                                            process_create_time);
+
+  misc_info_.ProcessUserTime = process_user_time;
+  misc_info_.ProcessKernelTime = process_kernel_time;
+  misc_info_.Flags1 |= MINIDUMP_MISC1_PROCESS_TIMES;
+}
+
+void MinidumpMiscInfoWriter::SetProcessorPowerInfo(
+    uint32_t processor_max_mhz,
+    uint32_t processor_current_mhz,
+    uint32_t processor_mhz_limit,
+    uint32_t processor_max_idle_state,
+    uint32_t processor_current_idle_state) {
+  DCHECK_EQ(state(), kStateMutable);
+
+  misc_info_.ProcessorMaxMhz = processor_max_mhz;
+  misc_info_.ProcessorCurrentMhz = processor_current_mhz;
+  misc_info_.ProcessorMhzLimit = processor_mhz_limit;
+  misc_info_.ProcessorMaxIdleState = processor_max_idle_state;
+  misc_info_.ProcessorCurrentIdleState = processor_current_idle_state;
+  misc_info_.Flags1 |= MINIDUMP_MISC1_PROCESSOR_POWER_INFO;
+}
+
+void MinidumpMiscInfoWriter::SetProcessIntegrityLevel(
+    uint32_t process_integrity_level) {
+  DCHECK_EQ(state(), kStateMutable);
+
+  misc_info_.ProcessIntegrityLevel = process_integrity_level;
+  misc_info_.Flags1 |= MINIDUMP_MISC3_PROCESS_INTEGRITY;
+}
+
+void MinidumpMiscInfoWriter::SetProcessExecuteFlags(
+    uint32_t process_execute_flags) {
+  DCHECK_EQ(state(), kStateMutable);
+
+  misc_info_.ProcessExecuteFlags = process_execute_flags;
+  misc_info_.Flags1 |= MINIDUMP_MISC3_PROCESS_EXECUTE_FLAGS;
+}
+
+void MinidumpMiscInfoWriter::SetProtectedProcess(uint32_t protected_process) {
+  DCHECK_EQ(state(), kStateMutable);
+
+  misc_info_.ProtectedProcess = protected_process;
+  misc_info_.Flags1 |= MINIDUMP_MISC3_PROTECTED_PROCESS;
+}
+
+void MinidumpMiscInfoWriter::SetTimeZone(uint32_t time_zone_id,
+                                         int32_t bias,
+                                         const std::string& standard_name,
+                                         const SYSTEMTIME& standard_date,
+                                         int32_t standard_bias,
+                                         const std::string& daylight_name,
+                                         const SYSTEMTIME& daylight_date,
+                                         int32_t daylight_bias) {
+  DCHECK_EQ(state(), kStateMutable);
+
+  misc_info_.TimeZoneId = time_zone_id;
+  misc_info_.TimeZone.Bias = bias;
+
+  internal::MinidumpWriterUtil::AssignUTF8ToUTF16(
+      misc_info_.TimeZone.StandardName,
+      arraysize(misc_info_.TimeZone.StandardName),
+      standard_name);
+
+  misc_info_.TimeZone.StandardDate = standard_date;
+  misc_info_.TimeZone.StandardBias = standard_bias;
+
+  internal::MinidumpWriterUtil::AssignUTF8ToUTF16(
+      misc_info_.TimeZone.DaylightName,
+      arraysize(misc_info_.TimeZone.DaylightName),
+      daylight_name);
+
+  misc_info_.TimeZone.DaylightDate = daylight_date;
+  misc_info_.TimeZone.DaylightBias = daylight_bias;
+
+  misc_info_.Flags1 |= MINIDUMP_MISC3_TIMEZONE;
+}
+
+void MinidumpMiscInfoWriter::SetBuildString(
+    const std::string& build_string,
+    const std::string& debug_build_string) {
+  DCHECK_EQ(state(), kStateMutable);
+
+  misc_info_.Flags1 |= MINIDUMP_MISC4_BUILDSTRING;
+
+  internal::MinidumpWriterUtil::AssignUTF8ToUTF16(
+      misc_info_.BuildString, arraysize(misc_info_.BuildString), build_string);
+  internal::MinidumpWriterUtil::AssignUTF8ToUTF16(
+      misc_info_.DbgBldStr,
+      arraysize(misc_info_.DbgBldStr),
+      debug_build_string);
+}
+
+bool MinidumpMiscInfoWriter::Freeze() {
+  DCHECK_EQ(state(), kStateMutable);
+
+  if (!MinidumpStreamWriter::Freeze()) {
+    return false;
+  }
+
+  size_t size = CalculateSizeOfObjectFromFlags();
+  if (!AssignIfInRange(&misc_info_.SizeOfInfo, size)) {
+    LOG(ERROR) << "size " << size << " out of range";
+    return false;
+  }
+
+  return true;
+}
+
+size_t MinidumpMiscInfoWriter::SizeOfObject() {
+  DCHECK_GE(state(), kStateFrozen);
+
+  return CalculateSizeOfObjectFromFlags();
+}
+
+bool MinidumpMiscInfoWriter::WriteObject(FileWriterInterface* file_writer) {
+  DCHECK_EQ(state(), kStateWritable);
+
+  return file_writer->Write(&misc_info_, CalculateSizeOfObjectFromFlags());
+}
+
+MinidumpStreamType MinidumpMiscInfoWriter::StreamType() const {
+  return kMinidumpStreamTypeMiscInfo;
+}
+
+size_t MinidumpMiscInfoWriter::CalculateSizeOfObjectFromFlags() const {
+  DCHECK_GE(state(), kStateFrozen);
+
+  if (misc_info_.Flags1 & MINIDUMP_MISC4_BUILDSTRING) {
+    return sizeof(MINIDUMP_MISC_INFO_4);
+  }
+  if ((misc_info_.Flags1 & MINIDUMP_MISC3_PROCESS_INTEGRITY) ||

[Robert Sesek, 2014/08/08 19:29:14]

Why not | the flags together so that you don't have to keep writing Flags1 ?

+      (misc_info_.Flags1 & MINIDUMP_MISC3_PROCESS_EXECUTE_FLAGS) ||
+      (misc_info_.Flags1 & MINIDUMP_MISC3_TIMEZONE) ||
+      (misc_info_.Flags1 & MINIDUMP_MISC3_PROTECTED_PROCESS)) {
+    return sizeof(MINIDUMP_MISC_INFO_3);
+  }
+  if (misc_info_.Flags1 & MINIDUMP_MISC1_PROCESSOR_POWER_INFO) {
+    return sizeof(MINIDUMP_MISC_INFO_2);
+  }
+  return sizeof(MINIDUMP_MISC_INFO);
+}
+
+}  // namespace crashpad