Initial import of libmojo r405848
This brings libmojo in sync with libchrome.
Bug: 27569341
Test: mma -j32 libmojo
Change-Id: Ia7cb877e46dd3f86f18888b5d8d80bef5468b266
diff --git a/ipc/ipc_message_utils.cc b/ipc/ipc_message_utils.cc
new file mode 100644
index 0000000..60c12ab
--- /dev/null
+++ b/ipc/ipc_message_utils.cc
@@ -0,0 +1,1220 @@
+// Copyright (c) 2012 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "ipc/ipc_message_utils.h"
+
+#include <stddef.h>
+#include <stdint.h>
+
+#include "base/files/file_path.h"
+#include "base/json/json_writer.h"
+#include "base/strings/nullable_string16.h"
+#include "base/strings/string_number_conversions.h"
+#include "base/strings/utf_string_conversions.h"
+#include "base/time/time.h"
+#include "base/values.h"
+#include "build/build_config.h"
+#include "ipc/ipc_channel_handle.h"
+#include "ipc/ipc_message_attachment.h"
+#include "ipc/ipc_message_attachment_set.h"
+#include "ipc/ipc_mojo_param_traits.h"
+
+#if defined(OS_POSIX)
+#include "ipc/ipc_platform_file_attachment_posix.h"
+#endif
+
+#if (defined(OS_MACOSX) && !defined(OS_IOS)) || defined(OS_WIN)
+#include "base/memory/shared_memory_handle.h"
+#endif // (defined(OS_MACOSX) && !defined(OS_IOS)) || defined(OS_WIN)
+
+#if defined(OS_MACOSX) && !defined(OS_IOS)
+#include "ipc/mach_port_mac.h"
+#endif
+
+#if defined(OS_WIN)
+#include <tchar.h>
+#include "ipc/handle_win.h"
+#endif
+
+namespace IPC {
+
+namespace {
+
+const int kMaxRecursionDepth = 100;
+
+template<typename CharType>
+void LogBytes(const std::vector<CharType>& data, std::string* out) {
+#if defined(OS_WIN)
+ // Windows has a GUI for logging, which can handle arbitrary binary data.
+ for (size_t i = 0; i < data.size(); ++i)
+ out->push_back(data[i]);
+#else
+ // On POSIX, we log to stdout, which we assume can display ASCII.
+ static const size_t kMaxBytesToLog = 100;
+ for (size_t i = 0; i < std::min(data.size(), kMaxBytesToLog); ++i) {
+ if (isprint(data[i]))
+ out->push_back(data[i]);
+ else
+ out->append(
+ base::StringPrintf("[%02X]", static_cast<unsigned char>(data[i])));
+ }
+ if (data.size() > kMaxBytesToLog) {
+ out->append(base::StringPrintf(
+ " and %u more bytes",
+ static_cast<unsigned>(data.size() - kMaxBytesToLog)));
+ }
+#endif
+}
+
+bool ReadValue(const base::Pickle* m,
+ base::PickleIterator* iter,
+ base::Value** value,
+ int recursion);
+
+void GetValueSize(base::PickleSizer* sizer,
+ const base::Value* value,
+ int recursion) {
+ if (recursion > kMaxRecursionDepth) {
+ LOG(WARNING) << "Max recursion depth hit in GetValueSize.";
+ return;
+ }
+
+ sizer->AddInt();
+ switch (value->GetType()) {
+ case base::Value::TYPE_NULL:
+ break;
+ case base::Value::TYPE_BOOLEAN:
+ sizer->AddBool();
+ break;
+ case base::Value::TYPE_INTEGER:
+ sizer->AddInt();
+ break;
+ case base::Value::TYPE_DOUBLE:
+ sizer->AddDouble();
+ break;
+ case base::Value::TYPE_STRING: {
+ const base::StringValue* result;
+ value->GetAsString(&result);
+ if (value->GetAsString(&result)) {
+ DCHECK(result);
+ GetParamSize(sizer, result->GetString());
+ } else {
+ std::string str;
+ bool as_string_result = value->GetAsString(&str);
+ DCHECK(as_string_result);
+ GetParamSize(sizer, str);
+ }
+ break;
+ }
+ case base::Value::TYPE_BINARY: {
+ const base::BinaryValue* binary =
+ static_cast<const base::BinaryValue*>(value);
+ sizer->AddData(static_cast<int>(binary->GetSize()));
+ break;
+ }
+ case base::Value::TYPE_DICTIONARY: {
+ sizer->AddInt();
+ const base::DictionaryValue* dict =
+ static_cast<const base::DictionaryValue*>(value);
+ for (base::DictionaryValue::Iterator it(*dict); !it.IsAtEnd();
+ it.Advance()) {
+ GetParamSize(sizer, it.key());
+ GetValueSize(sizer, &it.value(), recursion + 1);
+ }
+ break;
+ }
+ case base::Value::TYPE_LIST: {
+ sizer->AddInt();
+ const base::ListValue* list = static_cast<const base::ListValue*>(value);
+ for (const auto& entry : *list) {
+ GetValueSize(sizer, entry.get(), recursion + 1);
+ }
+ break;
+ }
+ default:
+ NOTREACHED() << "Invalid base::Value type.";
+ }
+}
+
+void WriteValue(base::Pickle* m, const base::Value* value, int recursion) {
+ bool result;
+ if (recursion > kMaxRecursionDepth) {
+ LOG(WARNING) << "Max recursion depth hit in WriteValue.";
+ return;
+ }
+
+ m->WriteInt(value->GetType());
+
+ switch (value->GetType()) {
+ case base::Value::TYPE_NULL:
+ break;
+ case base::Value::TYPE_BOOLEAN: {
+ bool val;
+ result = value->GetAsBoolean(&val);
+ DCHECK(result);
+ WriteParam(m, val);
+ break;
+ }
+ case base::Value::TYPE_INTEGER: {
+ int val;
+ result = value->GetAsInteger(&val);
+ DCHECK(result);
+ WriteParam(m, val);
+ break;
+ }
+ case base::Value::TYPE_DOUBLE: {
+ double val;
+ result = value->GetAsDouble(&val);
+ DCHECK(result);
+ WriteParam(m, val);
+ break;
+ }
+ case base::Value::TYPE_STRING: {
+ std::string val;
+ result = value->GetAsString(&val);
+ DCHECK(result);
+ WriteParam(m, val);
+ break;
+ }
+ case base::Value::TYPE_BINARY: {
+ const base::BinaryValue* binary =
+ static_cast<const base::BinaryValue*>(value);
+ m->WriteData(binary->GetBuffer(), static_cast<int>(binary->GetSize()));
+ break;
+ }
+ case base::Value::TYPE_DICTIONARY: {
+ const base::DictionaryValue* dict =
+ static_cast<const base::DictionaryValue*>(value);
+
+ WriteParam(m, static_cast<int>(dict->size()));
+
+ for (base::DictionaryValue::Iterator it(*dict); !it.IsAtEnd();
+ it.Advance()) {
+ WriteParam(m, it.key());
+ WriteValue(m, &it.value(), recursion + 1);
+ }
+ break;
+ }
+ case base::Value::TYPE_LIST: {
+ const base::ListValue* list = static_cast<const base::ListValue*>(value);
+ WriteParam(m, static_cast<int>(list->GetSize()));
+ for (const auto& entry : *list) {
+ WriteValue(m, entry.get(), recursion + 1);
+ }
+ break;
+ }
+ }
+}
+
+// Helper for ReadValue that reads a DictionaryValue into a pre-allocated
+// object.
+bool ReadDictionaryValue(const base::Pickle* m,
+ base::PickleIterator* iter,
+ base::DictionaryValue* value,
+ int recursion) {
+ int size;
+ if (!ReadParam(m, iter, &size))
+ return false;
+
+ for (int i = 0; i < size; ++i) {
+ std::string key;
+ base::Value* subval;
+ if (!ReadParam(m, iter, &key) ||
+ !ReadValue(m, iter, &subval, recursion + 1))
+ return false;
+ value->SetWithoutPathExpansion(key, subval);
+ }
+
+ return true;
+}
+
+// Helper for ReadValue that reads a ReadListValue into a pre-allocated
+// object.
+bool ReadListValue(const base::Pickle* m,
+ base::PickleIterator* iter,
+ base::ListValue* value,
+ int recursion) {
+ int size;
+ if (!ReadParam(m, iter, &size))
+ return false;
+
+ for (int i = 0; i < size; ++i) {
+ base::Value* subval;
+ if (!ReadValue(m, iter, &subval, recursion + 1))
+ return false;
+ value->Set(i, subval);
+ }
+
+ return true;
+}
+
+bool ReadValue(const base::Pickle* m,
+ base::PickleIterator* iter,
+ base::Value** value,
+ int recursion) {
+ if (recursion > kMaxRecursionDepth) {
+ LOG(WARNING) << "Max recursion depth hit in ReadValue.";
+ return false;
+ }
+
+ int type;
+ if (!ReadParam(m, iter, &type))
+ return false;
+
+ switch (type) {
+ case base::Value::TYPE_NULL:
+ *value = base::Value::CreateNullValue().release();
+ break;
+ case base::Value::TYPE_BOOLEAN: {
+ bool val;
+ if (!ReadParam(m, iter, &val))
+ return false;
+ *value = new base::FundamentalValue(val);
+ break;
+ }
+ case base::Value::TYPE_INTEGER: {
+ int val;
+ if (!ReadParam(m, iter, &val))
+ return false;
+ *value = new base::FundamentalValue(val);
+ break;
+ }
+ case base::Value::TYPE_DOUBLE: {
+ double val;
+ if (!ReadParam(m, iter, &val))
+ return false;
+ *value = new base::FundamentalValue(val);
+ break;
+ }
+ case base::Value::TYPE_STRING: {
+ std::string val;
+ if (!ReadParam(m, iter, &val))
+ return false;
+ *value = new base::StringValue(val);
+ break;
+ }
+ case base::Value::TYPE_BINARY: {
+ const char* data;
+ int length;
+ if (!iter->ReadData(&data, &length))
+ return false;
+ std::unique_ptr<base::BinaryValue> val =
+ base::BinaryValue::CreateWithCopiedBuffer(data, length);
+ *value = val.release();
+ break;
+ }
+ case base::Value::TYPE_DICTIONARY: {
+ std::unique_ptr<base::DictionaryValue> val(new base::DictionaryValue());
+ if (!ReadDictionaryValue(m, iter, val.get(), recursion))
+ return false;
+ *value = val.release();
+ break;
+ }
+ case base::Value::TYPE_LIST: {
+ std::unique_ptr<base::ListValue> val(new base::ListValue());
+ if (!ReadListValue(m, iter, val.get(), recursion))
+ return false;
+ *value = val.release();
+ break;
+ }
+ default:
+ return false;
+ }
+
+ return true;
+}
+
+} // namespace
+
+// -----------------------------------------------------------------------------
+
+LogData::LogData()
+ : routing_id(0),
+ type(0),
+ sent(0),
+ receive(0),
+ dispatch(0) {
+}
+
+LogData::LogData(const LogData& other) = default;
+
+LogData::~LogData() {
+}
+
+void ParamTraits<bool>::Log(const param_type& p, std::string* l) {
+ l->append(p ? "true" : "false");
+}
+
+void ParamTraits<signed char>::GetSize(base::PickleSizer* sizer,
+ const param_type& p) {
+ sizer->AddBytes(sizeof(param_type));
+}
+
+void ParamTraits<signed char>::Write(base::Pickle* m, const param_type& p) {
+ m->WriteBytes(&p, sizeof(param_type));
+}
+
+bool ParamTraits<signed char>::Read(const base::Pickle* m,
+ base::PickleIterator* iter,
+ param_type* r) {
+ const char* data;
+ if (!iter->ReadBytes(&data, sizeof(param_type)))
+ return false;
+ memcpy(r, data, sizeof(param_type));
+ return true;
+}
+
+void ParamTraits<signed char>::Log(const param_type& p, std::string* l) {
+ l->append(base::IntToString(p));
+}
+
+void ParamTraits<unsigned char>::GetSize(base::PickleSizer* sizer,
+ const param_type& p) {
+ sizer->AddBytes(sizeof(param_type));
+}
+
+void ParamTraits<unsigned char>::Write(base::Pickle* m, const param_type& p) {
+ m->WriteBytes(&p, sizeof(param_type));
+}
+
+bool ParamTraits<unsigned char>::Read(const base::Pickle* m,
+ base::PickleIterator* iter,
+ param_type* r) {
+ const char* data;
+ if (!iter->ReadBytes(&data, sizeof(param_type)))
+ return false;
+ memcpy(r, data, sizeof(param_type));
+ return true;
+}
+
+void ParamTraits<unsigned char>::Log(const param_type& p, std::string* l) {
+ l->append(base::UintToString(p));
+}
+
+void ParamTraits<unsigned short>::GetSize(base::PickleSizer* sizer,
+ const param_type& p) {
+ sizer->AddBytes(sizeof(param_type));
+}
+
+void ParamTraits<unsigned short>::Write(base::Pickle* m, const param_type& p) {
+ m->WriteBytes(&p, sizeof(param_type));
+}
+
+bool ParamTraits<unsigned short>::Read(const base::Pickle* m,
+ base::PickleIterator* iter,
+ param_type* r) {
+ const char* data;
+ if (!iter->ReadBytes(&data, sizeof(param_type)))
+ return false;
+ memcpy(r, data, sizeof(param_type));
+ return true;
+}
+
+void ParamTraits<unsigned short>::Log(const param_type& p, std::string* l) {
+ l->append(base::UintToString(p));
+}
+
+void ParamTraits<int>::Log(const param_type& p, std::string* l) {
+ l->append(base::IntToString(p));
+}
+
+void ParamTraits<unsigned int>::Log(const param_type& p, std::string* l) {
+ l->append(base::UintToString(p));
+}
+
+#if defined(OS_WIN) || defined(OS_LINUX) || \
+ (defined(OS_ANDROID) && defined(ARCH_CPU_64_BITS))
+void ParamTraits<long>::Log(const param_type& p, std::string* l) {
+ l->append(base::Int64ToString(static_cast<int64_t>(p)));
+}
+
+void ParamTraits<unsigned long>::Log(const param_type& p, std::string* l) {
+ l->append(base::Uint64ToString(static_cast<uint64_t>(p)));
+}
+#endif
+
+void ParamTraits<long long>::Log(const param_type& p, std::string* l) {
+ l->append(base::Int64ToString(static_cast<int64_t>(p)));
+}
+
+void ParamTraits<unsigned long long>::Log(const param_type& p, std::string* l) {
+ l->append(base::Uint64ToString(p));
+}
+
+void ParamTraits<float>::Log(const param_type& p, std::string* l) {
+ l->append(base::StringPrintf("%e", p));
+}
+
+void ParamTraits<double>::GetSize(base::PickleSizer* sizer,
+ const param_type& p) {
+ sizer->AddBytes(sizeof(param_type));
+}
+
+void ParamTraits<double>::Write(base::Pickle* m, const param_type& p) {
+ m->WriteBytes(reinterpret_cast<const char*>(&p), sizeof(param_type));
+}
+
+bool ParamTraits<double>::Read(const base::Pickle* m,
+ base::PickleIterator* iter,
+ param_type* r) {
+ const char *data;
+ if (!iter->ReadBytes(&data, sizeof(*r))) {
+ NOTREACHED();
+ return false;
+ }
+ memcpy(r, data, sizeof(param_type));
+ return true;
+}
+
+void ParamTraits<double>::Log(const param_type& p, std::string* l) {
+ l->append(base::StringPrintf("%e", p));
+}
+
+
+void ParamTraits<std::string>::Log(const param_type& p, std::string* l) {
+ l->append(p);
+}
+
+void ParamTraits<base::string16>::Log(const param_type& p, std::string* l) {
+ l->append(base::UTF16ToUTF8(p));
+}
+
+void ParamTraits<std::vector<char>>::GetSize(base::PickleSizer* sizer,
+ const param_type& p) {
+ sizer->AddData(static_cast<int>(p.size()));
+}
+
+void ParamTraits<std::vector<char>>::Write(base::Pickle* m,
+ const param_type& p) {
+ if (p.empty()) {
+ m->WriteData(NULL, 0);
+ } else {
+ m->WriteData(&p.front(), static_cast<int>(p.size()));
+ }
+}
+
+bool ParamTraits<std::vector<char>>::Read(const base::Pickle* m,
+ base::PickleIterator* iter,
+ param_type* r) {
+ const char *data;
+ int data_size = 0;
+ if (!iter->ReadData(&data, &data_size) || data_size < 0)
+ return false;
+ r->resize(data_size);
+ if (data_size)
+ memcpy(&r->front(), data, data_size);
+ return true;
+}
+
+void ParamTraits<std::vector<char> >::Log(const param_type& p, std::string* l) {
+ LogBytes(p, l);
+}
+
+void ParamTraits<std::vector<unsigned char>>::GetSize(base::PickleSizer* sizer,
+ const param_type& p) {
+ sizer->AddData(static_cast<int>(p.size()));
+}
+
+void ParamTraits<std::vector<unsigned char>>::Write(base::Pickle* m,
+ const param_type& p) {
+ if (p.empty()) {
+ m->WriteData(NULL, 0);
+ } else {
+ m->WriteData(reinterpret_cast<const char*>(&p.front()),
+ static_cast<int>(p.size()));
+ }
+}
+
+bool ParamTraits<std::vector<unsigned char>>::Read(const base::Pickle* m,
+ base::PickleIterator* iter,
+ param_type* r) {
+ const char *data;
+ int data_size = 0;
+ if (!iter->ReadData(&data, &data_size) || data_size < 0)
+ return false;
+ r->resize(data_size);
+ if (data_size)
+ memcpy(&r->front(), data, data_size);
+ return true;
+}
+
+void ParamTraits<std::vector<unsigned char> >::Log(const param_type& p,
+ std::string* l) {
+ LogBytes(p, l);
+}
+
+void ParamTraits<std::vector<bool>>::GetSize(base::PickleSizer* sizer,
+ const param_type& p) {
+ GetParamSize(sizer, static_cast<int>(p.size()));
+ for (size_t i = 0; i < p.size(); ++i)
+ GetParamSize(sizer, static_cast<bool>(p[i]));
+}
+
+void ParamTraits<std::vector<bool>>::Write(base::Pickle* m,
+ const param_type& p) {
+ WriteParam(m, static_cast<int>(p.size()));
+ // Cast to bool below is required because libc++'s
+ // vector<bool>::const_reference is different from bool, and we want to avoid
+ // writing an extra specialization of ParamTraits for it.
+ for (size_t i = 0; i < p.size(); i++)
+ WriteParam(m, static_cast<bool>(p[i]));
+}
+
+bool ParamTraits<std::vector<bool>>::Read(const base::Pickle* m,
+ base::PickleIterator* iter,
+ param_type* r) {
+ int size;
+ // ReadLength() checks for < 0 itself.
+ if (!iter->ReadLength(&size))
+ return false;
+ r->resize(size);
+ for (int i = 0; i < size; i++) {
+ bool value;
+ if (!ReadParam(m, iter, &value))
+ return false;
+ (*r)[i] = value;
+ }
+ return true;
+}
+
+void ParamTraits<std::vector<bool> >::Log(const param_type& p, std::string* l) {
+ for (size_t i = 0; i < p.size(); ++i) {
+ if (i != 0)
+ l->push_back(' ');
+ LogParam(static_cast<bool>(p[i]), l);
+ }
+}
+
+void ParamTraits<BrokerableAttachment::AttachmentId>::Write(
+ base::Pickle* m,
+ const param_type& p) {
+ m->WriteBytes(p.nonce, BrokerableAttachment::kNonceSize);
+}
+
+bool ParamTraits<BrokerableAttachment::AttachmentId>::Read(
+ const base::Pickle* m,
+ base::PickleIterator* iter,
+ param_type* r) {
+ const char* data;
+ if (!iter->ReadBytes(&data, BrokerableAttachment::kNonceSize))
+ return false;
+ memcpy(r->nonce, data, BrokerableAttachment::kNonceSize);
+ return true;
+}
+
+void ParamTraits<BrokerableAttachment::AttachmentId>::Log(const param_type& p,
+ std::string* l) {
+ l->append(base::HexEncode(p.nonce, BrokerableAttachment::kNonceSize));
+}
+
+void ParamTraits<base::DictionaryValue>::GetSize(base::PickleSizer* sizer,
+ const param_type& p) {
+ GetValueSize(sizer, &p, 0);
+}
+
+void ParamTraits<base::DictionaryValue>::Write(base::Pickle* m,
+ const param_type& p) {
+ WriteValue(m, &p, 0);
+}
+
+bool ParamTraits<base::DictionaryValue>::Read(const base::Pickle* m,
+ base::PickleIterator* iter,
+ param_type* r) {
+ int type;
+ if (!ReadParam(m, iter, &type) || type != base::Value::TYPE_DICTIONARY)
+ return false;
+
+ return ReadDictionaryValue(m, iter, r, 0);
+}
+
+void ParamTraits<base::DictionaryValue>::Log(const param_type& p,
+ std::string* l) {
+ std::string json;
+ base::JSONWriter::Write(p, &json);
+ l->append(json);
+}
+
+#if defined(OS_POSIX)
+void ParamTraits<base::FileDescriptor>::GetSize(base::PickleSizer* sizer,
+ const param_type& p) {
+ GetParamSize(sizer, p.fd >= 0);
+ if (p.fd >= 0)
+ sizer->AddAttachment();
+}
+
+void ParamTraits<base::FileDescriptor>::Write(base::Pickle* m,
+ const param_type& p) {
+ const bool valid = p.fd >= 0;
+ WriteParam(m, valid);
+
+ if (!valid)
+ return;
+
+ if (p.auto_close) {
+ if (!m->WriteAttachment(
+ new internal::PlatformFileAttachment(base::ScopedFD(p.fd))))
+ NOTREACHED();
+ } else {
+ if (!m->WriteAttachment(new internal::PlatformFileAttachment(p.fd)))
+ NOTREACHED();
+ }
+}
+
+bool ParamTraits<base::FileDescriptor>::Read(const base::Pickle* m,
+ base::PickleIterator* iter,
+ param_type* r) {
+ *r = base::FileDescriptor();
+
+ bool valid;
+ if (!ReadParam(m, iter, &valid))
+ return false;
+
+ // TODO(morrita): Seems like this should return false.
+ if (!valid)
+ return true;
+
+ scoped_refptr<base::Pickle::Attachment> attachment;
+ if (!m->ReadAttachment(iter, &attachment))
+ return false;
+
+ *r = base::FileDescriptor(
+ static_cast<MessageAttachment*>(attachment.get())->TakePlatformFile(),
+ true);
+ return true;
+}
+
+void ParamTraits<base::FileDescriptor>::Log(const param_type& p,
+ std::string* l) {
+ if (p.auto_close) {
+ l->append(base::StringPrintf("FD(%d auto-close)", p.fd));
+ } else {
+ l->append(base::StringPrintf("FD(%d)", p.fd));
+ }
+}
+#endif // defined(OS_POSIX)
+
+#if defined(OS_MACOSX) && !defined(OS_IOS)
+void ParamTraits<base::SharedMemoryHandle>::GetSize(base::PickleSizer* sizer,
+ const param_type& p) {
+ GetParamSize(sizer, p.GetMemoryObject());
+ uint32_t dummy = 0;
+ GetParamSize(sizer, dummy);
+}
+
+void ParamTraits<base::SharedMemoryHandle>::Write(base::Pickle* m,
+ const param_type& p) {
+ MachPortMac mach_port_mac(p.GetMemoryObject());
+ ParamTraits<MachPortMac>::Write(m, mach_port_mac);
+ size_t size = 0;
+ bool result = p.GetSize(&size);
+ DCHECK(result);
+ ParamTraits<uint32_t>::Write(m, static_cast<uint32_t>(size));
+
+ // If the caller intended to pass ownership to the IPC stack, release a
+ // reference.
+ if (p.OwnershipPassesToIPC())
+ p.Close();
+}
+
+bool ParamTraits<base::SharedMemoryHandle>::Read(const base::Pickle* m,
+ base::PickleIterator* iter,
+ param_type* r) {
+ MachPortMac mach_port_mac;
+ if (!ParamTraits<MachPortMac>::Read(m, iter, &mach_port_mac))
+ return false;
+
+ uint32_t size;
+ if (!ParamTraits<uint32_t>::Read(m, iter, &size))
+ return false;
+
+ *r = base::SharedMemoryHandle(mach_port_mac.get_mach_port(),
+ static_cast<size_t>(size),
+ base::GetCurrentProcId());
+ return true;
+}
+
+void ParamTraits<base::SharedMemoryHandle>::Log(const param_type& p,
+ std::string* l) {
+ l->append("Mach port: ");
+ LogParam(p.GetMemoryObject(), l);
+}
+
+#elif defined(OS_WIN)
+void ParamTraits<base::SharedMemoryHandle>::GetSize(base::PickleSizer* s,
+ const param_type& p) {
+ GetParamSize(s, p.NeedsBrokering());
+ if (p.NeedsBrokering()) {
+ GetParamSize(s, p.GetHandle());
+ } else {
+ GetParamSize(s, HandleToLong(p.GetHandle()));
+ }
+}
+
+void ParamTraits<base::SharedMemoryHandle>::Write(base::Pickle* m,
+ const param_type& p) {
+ m->WriteBool(p.NeedsBrokering());
+
+ if (p.NeedsBrokering()) {
+ HandleWin handle_win(p.GetHandle(), HandleWin::DUPLICATE);
+ ParamTraits<HandleWin>::Write(m, handle_win);
+
+ // If the caller intended to pass ownership to the IPC stack, release a
+ // reference.
+ if (p.OwnershipPassesToIPC() && p.BelongsToCurrentProcess())
+ p.Close();
+ } else {
+ m->WriteInt(HandleToLong(p.GetHandle()));
+ }
+}
+
+bool ParamTraits<base::SharedMemoryHandle>::Read(const base::Pickle* m,
+ base::PickleIterator* iter,
+ param_type* r) {
+ bool needs_brokering;
+ if (!iter->ReadBool(&needs_brokering))
+ return false;
+
+ if (needs_brokering) {
+ HandleWin handle_win;
+ if (!ParamTraits<HandleWin>::Read(m, iter, &handle_win))
+ return false;
+ *r = base::SharedMemoryHandle(handle_win.get_handle(),
+ base::GetCurrentProcId());
+ return true;
+ }
+
+ int handle_int;
+ if (!iter->ReadInt(&handle_int))
+ return false;
+ HANDLE handle = LongToHandle(handle_int);
+ *r = base::SharedMemoryHandle(handle, base::GetCurrentProcId());
+ return true;
+}
+
+void ParamTraits<base::SharedMemoryHandle>::Log(const param_type& p,
+ std::string* l) {
+ LogParam(p.GetHandle(), l);
+ l->append(" needs brokering: ");
+ LogParam(p.NeedsBrokering(), l);
+}
+#endif // defined(OS_MACOSX) && !defined(OS_IOS)
+
+void ParamTraits<base::FilePath>::GetSize(base::PickleSizer* sizer,
+ const param_type& p) {
+ p.GetSizeForPickle(sizer);
+}
+
+void ParamTraits<base::FilePath>::Write(base::Pickle* m, const param_type& p) {
+ p.WriteToPickle(m);
+}
+
+bool ParamTraits<base::FilePath>::Read(const base::Pickle* m,
+ base::PickleIterator* iter,
+ param_type* r) {
+ return r->ReadFromPickle(iter);
+}
+
+void ParamTraits<base::FilePath>::Log(const param_type& p, std::string* l) {
+ ParamTraits<base::FilePath::StringType>::Log(p.value(), l);
+}
+
+void ParamTraits<base::ListValue>::GetSize(base::PickleSizer* sizer,
+ const param_type& p) {
+ GetValueSize(sizer, &p, 0);
+}
+
+void ParamTraits<base::ListValue>::Write(base::Pickle* m, const param_type& p) {
+ WriteValue(m, &p, 0);
+}
+
+bool ParamTraits<base::ListValue>::Read(const base::Pickle* m,
+ base::PickleIterator* iter,
+ param_type* r) {
+ int type;
+ if (!ReadParam(m, iter, &type) || type != base::Value::TYPE_LIST)
+ return false;
+
+ return ReadListValue(m, iter, r, 0);
+}
+
+void ParamTraits<base::ListValue>::Log(const param_type& p, std::string* l) {
+ std::string json;
+ base::JSONWriter::Write(p, &json);
+ l->append(json);
+}
+
+void ParamTraits<base::NullableString16>::GetSize(base::PickleSizer* sizer,
+ const param_type& p) {
+ GetParamSize(sizer, p.string());
+ GetParamSize(sizer, p.is_null());
+}
+
+void ParamTraits<base::NullableString16>::Write(base::Pickle* m,
+ const param_type& p) {
+ WriteParam(m, p.string());
+ WriteParam(m, p.is_null());
+}
+
+bool ParamTraits<base::NullableString16>::Read(const base::Pickle* m,
+ base::PickleIterator* iter,
+ param_type* r) {
+ base::string16 string;
+ if (!ReadParam(m, iter, &string))
+ return false;
+ bool is_null;
+ if (!ReadParam(m, iter, &is_null))
+ return false;
+ *r = base::NullableString16(string, is_null);
+ return true;
+}
+
+void ParamTraits<base::NullableString16>::Log(const param_type& p,
+ std::string* l) {
+ l->append("(");
+ LogParam(p.string(), l);
+ l->append(", ");
+ LogParam(p.is_null(), l);
+ l->append(")");
+}
+
+void ParamTraits<base::File::Info>::GetSize(base::PickleSizer* sizer,
+ const param_type& p) {
+ GetParamSize(sizer, p.size);
+ GetParamSize(sizer, p.is_directory);
+ GetParamSize(sizer, p.last_modified.ToDoubleT());
+ GetParamSize(sizer, p.last_accessed.ToDoubleT());
+ GetParamSize(sizer, p.creation_time.ToDoubleT());
+}
+
+void ParamTraits<base::File::Info>::Write(base::Pickle* m,
+ const param_type& p) {
+ WriteParam(m, p.size);
+ WriteParam(m, p.is_directory);
+ WriteParam(m, p.last_modified.ToDoubleT());
+ WriteParam(m, p.last_accessed.ToDoubleT());
+ WriteParam(m, p.creation_time.ToDoubleT());
+}
+
+bool ParamTraits<base::File::Info>::Read(const base::Pickle* m,
+ base::PickleIterator* iter,
+ param_type* p) {
+ double last_modified, last_accessed, creation_time;
+ if (!ReadParam(m, iter, &p->size) ||
+ !ReadParam(m, iter, &p->is_directory) ||
+ !ReadParam(m, iter, &last_modified) ||
+ !ReadParam(m, iter, &last_accessed) ||
+ !ReadParam(m, iter, &creation_time))
+ return false;
+ p->last_modified = base::Time::FromDoubleT(last_modified);
+ p->last_accessed = base::Time::FromDoubleT(last_accessed);
+ p->creation_time = base::Time::FromDoubleT(creation_time);
+ return true;
+}
+
+void ParamTraits<base::File::Info>::Log(const param_type& p,
+ std::string* l) {
+ l->append("(");
+ LogParam(p.size, l);
+ l->append(",");
+ LogParam(p.is_directory, l);
+ l->append(",");
+ LogParam(p.last_modified.ToDoubleT(), l);
+ l->append(",");
+ LogParam(p.last_accessed.ToDoubleT(), l);
+ l->append(",");
+ LogParam(p.creation_time.ToDoubleT(), l);
+ l->append(")");
+}
+
+void ParamTraits<base::Time>::GetSize(base::PickleSizer* sizer,
+ const param_type& p) {
+ sizer->AddInt64();
+}
+
+void ParamTraits<base::Time>::Write(base::Pickle* m, const param_type& p) {
+ ParamTraits<int64_t>::Write(m, p.ToInternalValue());
+}
+
+bool ParamTraits<base::Time>::Read(const base::Pickle* m,
+ base::PickleIterator* iter,
+ param_type* r) {
+ int64_t value;
+ if (!ParamTraits<int64_t>::Read(m, iter, &value))
+ return false;
+ *r = base::Time::FromInternalValue(value);
+ return true;
+}
+
+void ParamTraits<base::Time>::Log(const param_type& p, std::string* l) {
+ ParamTraits<int64_t>::Log(p.ToInternalValue(), l);
+}
+
+void ParamTraits<base::TimeDelta>::GetSize(base::PickleSizer* sizer,
+ const param_type& p) {
+ sizer->AddInt64();
+}
+
+void ParamTraits<base::TimeDelta>::Write(base::Pickle* m, const param_type& p) {
+ ParamTraits<int64_t>::Write(m, p.ToInternalValue());
+}
+
+bool ParamTraits<base::TimeDelta>::Read(const base::Pickle* m,
+ base::PickleIterator* iter,
+ param_type* r) {
+ int64_t value;
+ bool ret = ParamTraits<int64_t>::Read(m, iter, &value);
+ if (ret)
+ *r = base::TimeDelta::FromInternalValue(value);
+
+ return ret;
+}
+
+void ParamTraits<base::TimeDelta>::Log(const param_type& p, std::string* l) {
+ ParamTraits<int64_t>::Log(p.ToInternalValue(), l);
+}
+
+void ParamTraits<base::TimeTicks>::GetSize(base::PickleSizer* sizer,
+ const param_type& p) {
+ sizer->AddInt64();
+}
+
+void ParamTraits<base::TimeTicks>::Write(base::Pickle* m, const param_type& p) {
+ ParamTraits<int64_t>::Write(m, p.ToInternalValue());
+}
+
+bool ParamTraits<base::TimeTicks>::Read(const base::Pickle* m,
+ base::PickleIterator* iter,
+ param_type* r) {
+ int64_t value;
+ bool ret = ParamTraits<int64_t>::Read(m, iter, &value);
+ if (ret)
+ *r = base::TimeTicks::FromInternalValue(value);
+
+ return ret;
+}
+
+void ParamTraits<base::TimeTicks>::Log(const param_type& p, std::string* l) {
+ ParamTraits<int64_t>::Log(p.ToInternalValue(), l);
+}
+
+void ParamTraits<IPC::ChannelHandle>::GetSize(base::PickleSizer* sizer,
+ const param_type& p) {
+ GetParamSize(sizer, p.name);
+#if defined(OS_POSIX)
+ GetParamSize(sizer, p.socket);
+#endif
+ GetParamSize(sizer, p.mojo_handle);
+}
+
+void ParamTraits<IPC::ChannelHandle>::Write(base::Pickle* m,
+ const param_type& p) {
+#if defined(OS_WIN)
+ // On Windows marshalling pipe handle is not supported.
+ DCHECK(p.pipe.handle == NULL);
+#endif // defined (OS_WIN)
+ WriteParam(m, p.name);
+#if defined(OS_POSIX)
+ WriteParam(m, p.socket);
+#endif
+ WriteParam(m, p.mojo_handle);
+}
+
+bool ParamTraits<IPC::ChannelHandle>::Read(const base::Pickle* m,
+ base::PickleIterator* iter,
+ param_type* r) {
+ return ReadParam(m, iter, &r->name)
+#if defined(OS_POSIX)
+ && ReadParam(m, iter, &r->socket)
+#endif
+ && ReadParam(m, iter, &r->mojo_handle);
+}
+
+void ParamTraits<IPC::ChannelHandle>::Log(const param_type& p,
+ std::string* l) {
+ l->append(base::StringPrintf("ChannelHandle(%s", p.name.c_str()));
+#if defined(OS_POSIX)
+ l->append(", ");
+ ParamTraits<base::FileDescriptor>::Log(p.socket, l);
+#endif
+ l->append(", ");
+ LogParam(p.mojo_handle, l);
+ l->append(")");
+}
+
+void ParamTraits<LogData>::GetSize(base::PickleSizer* sizer,
+ const param_type& p) {
+ GetParamSize(sizer, p.channel);
+ GetParamSize(sizer, p.routing_id);
+ GetParamSize(sizer, p.type);
+ GetParamSize(sizer, p.flags);
+ GetParamSize(sizer, p.sent);
+ GetParamSize(sizer, p.receive);
+ GetParamSize(sizer, p.dispatch);
+ GetParamSize(sizer, p.message_name);
+ GetParamSize(sizer, p.params);
+}
+
+void ParamTraits<LogData>::Write(base::Pickle* m, const param_type& p) {
+ WriteParam(m, p.channel);
+ WriteParam(m, p.routing_id);
+ WriteParam(m, p.type);
+ WriteParam(m, p.flags);
+ WriteParam(m, p.sent);
+ WriteParam(m, p.receive);
+ WriteParam(m, p.dispatch);
+ WriteParam(m, p.message_name);
+ WriteParam(m, p.params);
+}
+
+bool ParamTraits<LogData>::Read(const base::Pickle* m,
+ base::PickleIterator* iter,
+ param_type* r) {
+ return
+ ReadParam(m, iter, &r->channel) &&
+ ReadParam(m, iter, &r->routing_id) &&
+ ReadParam(m, iter, &r->type) &&
+ ReadParam(m, iter, &r->flags) &&
+ ReadParam(m, iter, &r->sent) &&
+ ReadParam(m, iter, &r->receive) &&
+ ReadParam(m, iter, &r->dispatch) &&
+ ReadParam(m, iter, &r->message_name) &&
+ ReadParam(m, iter, &r->params);
+}
+
+void ParamTraits<LogData>::Log(const param_type& p, std::string* l) {
+ // Doesn't make sense to implement this!
+}
+
+void ParamTraits<Message>::Write(base::Pickle* m, const Message& p) {
+#if defined(OS_POSIX)
+ // We don't serialize the file descriptors in the nested message, so there
+ // better not be any.
+ DCHECK(!p.HasAttachments());
+#endif
+
+ // Don't just write out the message. This is used to send messages between
+ // NaCl (Posix environment) and the browser (could be on Windows). The message
+ // header formats differ between these systems (so does handle sharing, but
+ // we already asserted we don't have any handles). So just write out the
+ // parts of the header we use.
+ //
+ // Be careful also to use only explicitly-sized types. The NaCl environment
+ // could be 64-bit and the host browser could be 32-bits. The nested message
+ // may or may not be safe to send between 32-bit and 64-bit systems, but we
+ // leave that up to the code sending the message to ensure.
+ m->WriteUInt32(static_cast<uint32_t>(p.routing_id()));
+ m->WriteUInt32(p.type());
+ m->WriteUInt32(p.flags());
+ m->WriteData(p.payload(), static_cast<uint32_t>(p.payload_size()));
+}
+
+bool ParamTraits<Message>::Read(const base::Pickle* m,
+ base::PickleIterator* iter,
+ Message* r) {
+ uint32_t routing_id, type, flags;
+ if (!iter->ReadUInt32(&routing_id) ||
+ !iter->ReadUInt32(&type) ||
+ !iter->ReadUInt32(&flags))
+ return false;
+
+ int payload_size;
+ const char* payload;
+ if (!iter->ReadData(&payload, &payload_size))
+ return false;
+
+ r->SetHeaderValues(static_cast<int32_t>(routing_id), type, flags);
+ return r->WriteBytes(payload, payload_size);
+}
+
+void ParamTraits<Message>::Log(const Message& p, std::string* l) {
+ l->append("<IPC::Message>");
+}
+
+#if defined(OS_WIN)
+void ParamTraits<HANDLE>::GetSize(base::PickleSizer* sizer,
+ const param_type& p) {
+ sizer->AddInt();
+}
+
+// Note that HWNDs/HANDLE/HCURSOR/HACCEL etc are always 32 bits, even on 64
+// bit systems. That's why we use the Windows macros to convert to 32 bits.
+void ParamTraits<HANDLE>::Write(base::Pickle* m, const param_type& p) {
+ m->WriteInt(HandleToLong(p));
+}
+
+bool ParamTraits<HANDLE>::Read(const base::Pickle* m,
+ base::PickleIterator* iter,
+ param_type* r) {
+ int32_t temp;
+ if (!iter->ReadInt(&temp))
+ return false;
+ *r = LongToHandle(temp);
+ return true;
+}
+
+void ParamTraits<HANDLE>::Log(const param_type& p, std::string* l) {
+ l->append(base::StringPrintf("0x%p", p));
+}
+
+void ParamTraits<LOGFONT>::GetSize(base::PickleSizer* sizer,
+ const param_type& p) {
+ sizer->AddData(sizeof(LOGFONT));
+}
+
+void ParamTraits<LOGFONT>::Write(base::Pickle* m, const param_type& p) {
+ m->WriteData(reinterpret_cast<const char*>(&p), sizeof(LOGFONT));
+}
+
+bool ParamTraits<LOGFONT>::Read(const base::Pickle* m,
+ base::PickleIterator* iter,
+ param_type* r) {
+ const char *data;
+ int data_size = 0;
+ if (iter->ReadData(&data, &data_size) && data_size == sizeof(LOGFONT)) {
+ const LOGFONT *font = reinterpret_cast<LOGFONT*>(const_cast<char*>(data));
+ if (_tcsnlen(font->lfFaceName, LF_FACESIZE) < LF_FACESIZE) {
+ memcpy(r, data, sizeof(LOGFONT));
+ return true;
+ }
+ }
+
+ NOTREACHED();
+ return false;
+}
+
+void ParamTraits<LOGFONT>::Log(const param_type& p, std::string* l) {
+ l->append(base::StringPrintf("<LOGFONT>"));
+}
+
+void ParamTraits<MSG>::GetSize(base::PickleSizer* sizer, const param_type& p) {
+ sizer->AddData(sizeof(MSG));
+}
+
+void ParamTraits<MSG>::Write(base::Pickle* m, const param_type& p) {
+ m->WriteData(reinterpret_cast<const char*>(&p), sizeof(MSG));
+}
+
+bool ParamTraits<MSG>::Read(const base::Pickle* m,
+ base::PickleIterator* iter,
+ param_type* r) {
+ const char *data;
+ int data_size = 0;
+ bool result = iter->ReadData(&data, &data_size);
+ if (result && data_size == sizeof(MSG)) {
+ memcpy(r, data, sizeof(MSG));
+ } else {
+ result = false;
+ NOTREACHED();
+ }
+
+ return result;
+}
+
+void ParamTraits<MSG>::Log(const param_type& p, std::string* l) {
+ l->append("<MSG>");
+}
+
+#endif // OS_WIN
+
+} // namespace IPC