summaryrefslogtreecommitdiffstats
path: root/chrome/common/ipc_message_utils.h
diff options
context:
space:
mode:
Diffstat (limited to 'chrome/common/ipc_message_utils.h')
-rw-r--r--chrome/common/ipc_message_utils.h1381
1 files changed, 0 insertions, 1381 deletions
diff --git a/chrome/common/ipc_message_utils.h b/chrome/common/ipc_message_utils.h
deleted file mode 100644
index 6e82d40..0000000
--- a/chrome/common/ipc_message_utils.h
+++ /dev/null
@@ -1,1381 +0,0 @@
-// Copyright (c) 2006-2008 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.
-
-#ifndef CHROME_COMMON_IPC_MESSAGE_UTILS_H_
-#define CHROME_COMMON_IPC_MESSAGE_UTILS_H_
-
-#include <string>
-#include <vector>
-#include <map>
-
-#include "base/file_path.h"
-#include "base/string_util.h"
-#include "base/string16.h"
-#include "base/tuple.h"
-#if defined(OS_POSIX)
-#include "chrome/common/file_descriptor_set_posix.h"
-#endif
-#include "chrome/common/ipc_sync_message.h"
-#include "chrome/common/thumbnail_score.h"
-#include "chrome/common/transport_dib.h"
-#include "webkit/glue/webcursor.h"
-#include "webkit/glue/window_open_disposition.h"
-
-// Forward declarations.
-class GURL;
-class SkBitmap;
-
-namespace gfx {
-class Point;
-class Rect;
-class Size;
-} // namespace gfx
-
-namespace webkit_glue {
-struct WebApplicationInfo;
-} // namespace webkit_glue
-
-// Used by IPC_BEGIN_MESSAGES so that each message class starts from a unique
-// base. Messages have unique IDs across channels in order for the IPC logging
-// code to figure out the message class from its ID.
-enum IPCMessageStart {
- // By using a start value of 0 for automation messages, we keep backward
- // compatibility with old builds.
- AutomationMsgStart = 0,
- ViewMsgStart,
- ViewHostMsgStart,
- PluginProcessMsgStart,
- PluginProcessHostMsgStart,
- PluginMsgStart,
- PluginHostMsgStart,
- NPObjectMsgStart,
- TestMsgStart,
- DevToolsAgentMsgStart,
- DevToolsClientMsgStart,
- WorkerProcessMsgStart,
- WorkerProcessHostMsgStart,
- WorkerMsgStart,
- WorkerHostMsgStart,
- // NOTE: When you add a new message class, also update
- // IPCStatusView::IPCStatusView to ensure logging works.
- // NOTE: this enum is used by IPC_MESSAGE_MACRO to generate a unique message
- // id. Only 4 bits are used for the message type, so if this enum needs more
- // than 16 entries, that code needs to be updated.
- LastMsgIndex
-};
-
-COMPILE_ASSERT(LastMsgIndex <= 16, need_to_update_IPC_MESSAGE_MACRO);
-
-namespace IPC {
-
-//-----------------------------------------------------------------------------
-// An iterator class for reading the fields contained within a Message.
-
-class MessageIterator {
- public:
- explicit MessageIterator(const Message& m) : msg_(m), iter_(NULL) {
- }
- int NextInt() const {
- int val;
- if (!msg_.ReadInt(&iter_, &val))
- NOTREACHED();
- return val;
- }
- intptr_t NextIntPtr() const {
- intptr_t val;
- if (!msg_.ReadIntPtr(&iter_, &val))
- NOTREACHED();
- return val;
- }
- const std::string NextString() const {
- std::string val;
- if (!msg_.ReadString(&iter_, &val))
- NOTREACHED();
- return val;
- }
- const std::wstring NextWString() const {
- std::wstring val;
- if (!msg_.ReadWString(&iter_, &val))
- NOTREACHED();
- return val;
- }
- const void NextData(const char** data, int* length) const {
- if (!msg_.ReadData(&iter_, data, length)) {
- NOTREACHED();
- }
- }
- private:
- const Message& msg_;
- mutable void* iter_;
-};
-
-//-----------------------------------------------------------------------------
-// ParamTraits specializations, etc.
-
-template <class P> struct ParamTraits {};
-
-template <class P>
-static inline void WriteParam(Message* m, const P& p) {
- ParamTraits<P>::Write(m, p);
-}
-
-template <class P>
-static inline bool ReadParam(const Message* m, void** iter, P* p) {
- return ParamTraits<P>::Read(m, iter, p);
-}
-
-template <class P>
-static inline void LogParam(const P& p, std::wstring* l) {
- ParamTraits<P>::Log(p, l);
-}
-
-template <>
-struct ParamTraits<bool> {
- typedef bool param_type;
- static void Write(Message* m, const param_type& p) {
- m->WriteBool(p);
- }
- static bool Read(const Message* m, void** iter, param_type* r) {
- return m->ReadBool(iter, r);
- }
- static void Log(const param_type& p, std::wstring* l) {
- l->append(p ? L"true" : L"false");
- }
-};
-
-template <>
-struct ParamTraits<int> {
- typedef int param_type;
- static void Write(Message* m, const param_type& p) {
- m->WriteInt(p);
- }
- static bool Read(const Message* m, void** iter, param_type* r) {
- return m->ReadInt(iter, r);
- }
- static void Log(const param_type& p, std::wstring* l) {
- l->append(StringPrintf(L"%d", p));
- }
-};
-
-template <>
-struct ParamTraits<long> {
- typedef long param_type;
- static void Write(Message* m, const param_type& p) {
- m->WriteLong(p);
- }
- static bool Read(const Message* m, void** iter, param_type* r) {
- return m->ReadLong(iter, r);
- }
- static void Log(const param_type& p, std::wstring* l) {
- l->append(StringPrintf(L"%l", p));
- }
-};
-
-template <>
-struct ParamTraits<size_t> {
- typedef size_t param_type;
- static void Write(Message* m, const param_type& p) {
- m->WriteSize(p);
- }
- static bool Read(const Message* m, void** iter, param_type* r) {
- return m->ReadSize(iter, r);
- }
- static void Log(const param_type& p, std::wstring* l) {
- l->append(StringPrintf(L"%u", p));
- }
-};
-
-#if defined(OS_MACOSX)
-// On Linux size_t & uint32 can be the same type.
-// TODO(playmobil): Fix compilation if this is not the case.
-template <>
-struct ParamTraits<uint32> {
- typedef uint32 param_type;
- static void Write(Message* m, const param_type& p) {
- m->WriteUInt32(p);
- }
- static bool Read(const Message* m, void** iter, param_type* r) {
- return m->ReadUInt32(iter, r);
- }
- static void Log(const param_type& p, std::wstring* l) {
- l->append(StringPrintf(L"%u", p));
- }
-};
-#endif // defined(OS_MACOSX)
-
-template <>
-struct ParamTraits<int64> {
- typedef int64 param_type;
- static void Write(Message* m, const param_type& p) {
- m->WriteInt64(p);
- }
- static bool Read(const Message* m, void** iter, param_type* r) {
- return m->ReadInt64(iter, r);
- }
- static void Log(const param_type& p, std::wstring* l) {
- l->append(StringPrintf(L"%I64d", p));
- }
-};
-
-template <>
-struct ParamTraits<uint64> {
- typedef uint64 param_type;
- static void Write(Message* m, const param_type& p) {
- m->WriteInt64(static_cast<int64>(p));
- }
- static bool Read(const Message* m, void** iter, param_type* r) {
- return m->ReadInt64(iter, reinterpret_cast<int64*>(r));
- }
- static void Log(const param_type& p, std::wstring* l) {
- l->append(StringPrintf(L"%I64u", p));
- }
-};
-
-template <>
-struct ParamTraits<double> {
- typedef double param_type;
- static void Write(Message* m, const param_type& p) {
- m->WriteData(reinterpret_cast<const char*>(&p), sizeof(param_type));
- }
- static bool Read(const Message* m, void** iter, param_type* r) {
- const char *data;
- int data_size = 0;
- bool result = m->ReadData(iter, &data, &data_size);
- if (result && data_size == sizeof(param_type)) {
- memcpy(r, data, sizeof(param_type));
- } else {
- result = false;
- NOTREACHED();
- }
-
- return result;
- }
- static void Log(const param_type& p, std::wstring* l) {
- l->append(StringPrintf(L"e", p));
- }
-};
-
-template <>
-struct ParamTraits<wchar_t> {
- typedef wchar_t param_type;
- static void Write(Message* m, const param_type& p) {
- m->WriteData(reinterpret_cast<const char*>(&p), sizeof(param_type));
- }
- static bool Read(const Message* m, void** iter, param_type* r) {
- const char *data;
- int data_size = 0;
- bool result = m->ReadData(iter, &data, &data_size);
- if (result && data_size == sizeof(param_type)) {
- memcpy(r, data, sizeof(param_type));
- } else {
- result = false;
- NOTREACHED();
- }
-
- return result;
- }
- static void Log(const param_type& p, std::wstring* l) {
- l->append(StringPrintf(L"%lc", p));
- }
-};
-
-template <>
-struct ParamTraits<base::Time> {
- typedef base::Time param_type;
- static void Write(Message* m, const param_type& p) {
- ParamTraits<int64>::Write(m, p.ToInternalValue());
- }
- static bool Read(const Message* m, void** iter, param_type* r) {
- int64 value;
- if (!ParamTraits<int64>::Read(m, iter, &value))
- return false;
- *r = base::Time::FromInternalValue(value);
- return true;
- }
- static void Log(const param_type& p, std::wstring* l) {
- ParamTraits<int64>::Log(p.ToInternalValue(), l);
- }
-};
-
-#if defined(OS_WIN)
-template <>
-struct ParamTraits<LOGFONT> {
- typedef LOGFONT param_type;
- static void Write(Message* m, const param_type& p) {
- m->WriteData(reinterpret_cast<const char*>(&p), sizeof(LOGFONT));
- }
- static bool Read(const Message* m, void** iter, param_type* r) {
- const char *data;
- int data_size = 0;
- bool result = m->ReadData(iter, &data, &data_size);
- if (result && data_size == sizeof(LOGFONT)) {
- memcpy(r, data, sizeof(LOGFONT));
- } else {
- result = false;
- NOTREACHED();
- }
-
- return result;
- }
- static void Log(const param_type& p, std::wstring* l) {
- l->append(StringPrintf(L"<LOGFONT>"));
- }
-};
-
-template <>
-struct ParamTraits<MSG> {
- typedef MSG param_type;
- static void Write(Message* m, const param_type& p) {
- m->WriteData(reinterpret_cast<const char*>(&p), sizeof(MSG));
- }
- static bool Read(const Message* m, void** iter, param_type* r) {
- const char *data;
- int data_size = 0;
- bool result = m->ReadData(iter, &data, &data_size);
- if (result && data_size == sizeof(MSG)) {
- memcpy(r, data, sizeof(MSG));
- } else {
- result = false;
- NOTREACHED();
- }
-
- return result;
- }
-};
-#endif // defined(OS_WIN)
-
-template <>
-struct ParamTraits<SkBitmap> {
- typedef SkBitmap param_type;
- static void Write(Message* m, const param_type& p);
-
- // Note: This function expects parameter |r| to be of type &SkBitmap since
- // r->SetConfig() and r->SetPixels() are called.
- static bool Read(const Message* m, void** iter, param_type* r);
-
- static void Log(const param_type& p, std::wstring* l);
-};
-
-template <>
-struct ParamTraits<std::string> {
- typedef std::string param_type;
- static void Write(Message* m, const param_type& p) {
- m->WriteString(p);
- }
- static bool Read(const Message* m, void** iter, param_type* r) {
- return m->ReadString(iter, r);
- }
- static void Log(const param_type& p, std::wstring* l) {
- l->append(UTF8ToWide(p));
- }
-};
-
-template <>
-struct ParamTraits<std::vector<unsigned char> > {
- typedef std::vector<unsigned char> param_type;
- static void Write(Message* m, const param_type& p) {
- if (p.size() == 0) {
- m->WriteData(NULL, 0);
- } else {
- m->WriteData(reinterpret_cast<const char*>(&p.front()),
- static_cast<int>(p.size()));
- }
- }
- static bool Read(const Message* m, void** iter, param_type* r) {
- const char *data;
- int data_size = 0;
- if (!m->ReadData(iter, &data, &data_size) || data_size < 0)
- return false;
- r->resize(data_size);
- if (data_size)
- memcpy(&r->front(), data, data_size);
- return true;
- }
- static void Log(const param_type& p, std::wstring* l) {
- for (size_t i = 0; i < p.size(); ++i)
- l->push_back(p[i]);
- }
-};
-
-template <>
-struct ParamTraits<std::vector<char> > {
- typedef std::vector<char> param_type;
- static void Write(Message* m, const param_type& p) {
- if (p.size() == 0) {
- m->WriteData(NULL, 0);
- } else {
- m->WriteData(&p.front(), static_cast<int>(p.size()));
- }
- }
- static bool Read(const Message* m, void** iter, param_type* r) {
- const char *data;
- int data_size = 0;
- if (!m->ReadData(iter, &data, &data_size) || data_size < 0)
- return false;
- r->resize(data_size);
- if (data_size)
- memcpy(&r->front(), data, data_size);
- return true;
- }
- static void Log(const param_type& p, std::wstring* l) {
- for (size_t i = 0; i < p.size(); ++i)
- l->push_back(p[i]);
- }
-};
-
-template <class P>
-struct ParamTraits<std::vector<P> > {
- typedef std::vector<P> param_type;
- static void Write(Message* m, const param_type& p) {
- WriteParam(m, static_cast<int>(p.size()));
- for (size_t i = 0; i < p.size(); i++)
- WriteParam(m, p[i]);
- }
- static bool Read(const Message* m, void** iter, param_type* r) {
- int size;
- if (!m->ReadLength(iter, &size))
- return false;
- // Resizing beforehand is not safe, see BUG 1006367 for details.
- if (m->IteratorHasRoomFor(*iter, size * sizeof(P))) {
- r->resize(size);
- for (int i = 0; i < size; i++) {
- if (!ReadParam(m, iter, &(*r)[i]))
- return false;
- }
- } else {
- for (int i = 0; i < size; i++) {
- P element;
- if (!ReadParam(m, iter, &element))
- return false;
- r->push_back(element);
- }
- }
- return true;
- }
- static void Log(const param_type& p, std::wstring* l) {
- for (size_t i = 0; i < p.size(); ++i) {
- if (i != 0)
- l->append(L" ");
-
- LogParam((p[i]), l);
- }
- }
-};
-
-template <class K, class V>
-struct ParamTraits<std::map<K, V> > {
- typedef std::map<K, V> param_type;
- static void Write(Message* m, const param_type& p) {
- WriteParam(m, static_cast<int>(p.size()));
- typename param_type::const_iterator iter;
- for (iter = p.begin(); iter != p.end(); ++iter) {
- WriteParam(m, iter->first);
- WriteParam(m, iter->second);
- }
- }
- static bool Read(const Message* m, void** iter, param_type* r) {
- int size;
- if (!ReadParam(m, iter, &size) || size < 0)
- return false;
- for (int i = 0; i < size; ++i) {
- K k;
- if (!ReadParam(m, iter, &k))
- return false;
- V& value = (*r)[k];
- if (!ReadParam(m, iter, &value))
- return false;
- }
- return true;
- }
- static void Log(const param_type& p, std::wstring* l) {
- l->append(L"<std::map>");
- }
-};
-
-
-template <>
-struct ParamTraits<std::wstring> {
- typedef std::wstring param_type;
- static void Write(Message* m, const param_type& p) {
- m->WriteWString(p);
- }
- static bool Read(const Message* m, void** iter, param_type* r) {
- return m->ReadWString(iter, r);
- }
- static void Log(const param_type& p, std::wstring* l) {
- l->append(p);
- }
-};
-
-// If WCHAR_T_IS_UTF16 is defined, then string16 is a std::wstring so we don't
-// need this trait.
-#if !defined(WCHAR_T_IS_UTF16)
-template <>
-struct ParamTraits<string16> {
- typedef string16 param_type;
- static void Write(Message* m, const param_type& p) {
- m->WriteString16(p);
- }
- static bool Read(const Message* m, void** iter, param_type* r) {
- return m->ReadString16(iter, r);
- }
- static void Log(const param_type& p, std::wstring* l) {
- l->append(UTF16ToWide(p));
- }
-};
-#endif
-
-template <>
-struct ParamTraits<GURL> {
- typedef GURL param_type;
- static void Write(Message* m, const param_type& p);
- static bool Read(const Message* m, void** iter, param_type* p);
- static void Log(const param_type& p, std::wstring* l);
-};
-
-// and, a few more useful types...
-#if defined(OS_WIN)
-template <>
-struct ParamTraits<HANDLE> {
- typedef HANDLE param_type;
- static void Write(Message* m, const param_type& p) {
- m->WriteIntPtr(reinterpret_cast<intptr_t>(p));
- }
- static bool Read(const Message* m, void** iter, param_type* r) {
- DCHECK_EQ(sizeof(param_type), sizeof(intptr_t));
- return m->ReadIntPtr(iter, reinterpret_cast<intptr_t*>(r));
- }
- static void Log(const param_type& p, std::wstring* l) {
- l->append(StringPrintf(L"0x%X", p));
- }
-};
-
-template <>
-struct ParamTraits<HCURSOR> {
- typedef HCURSOR param_type;
- static void Write(Message* m, const param_type& p) {
- m->WriteIntPtr(reinterpret_cast<intptr_t>(p));
- }
- static bool Read(const Message* m, void** iter, param_type* r) {
- DCHECK_EQ(sizeof(param_type), sizeof(intptr_t));
- return m->ReadIntPtr(iter, reinterpret_cast<intptr_t*>(r));
- }
- static void Log(const param_type& p, std::wstring* l) {
- l->append(StringPrintf(L"0x%X", p));
- }
-};
-
-template <>
-struct ParamTraits<HWND> {
- typedef HWND param_type;
- static void Write(Message* m, const param_type& p) {
- m->WriteIntPtr(reinterpret_cast<intptr_t>(p));
- }
- static bool Read(const Message* m, void** iter, param_type* r) {
- DCHECK_EQ(sizeof(param_type), sizeof(intptr_t));
- return m->ReadIntPtr(iter, reinterpret_cast<intptr_t*>(r));
- }
- static void Log(const param_type& p, std::wstring* l) {
- l->append(StringPrintf(L"0x%X", p));
- }
-};
-
-template <>
-struct ParamTraits<HRGN> {
- typedef HRGN param_type;
- static void Write(Message* m, const param_type& p) {
- int data_size = GetRegionData(p, 0, NULL);
- if (data_size) {
- char* bytes = new char[data_size];
- GetRegionData(p, data_size, reinterpret_cast<LPRGNDATA>(bytes));
- m->WriteData(reinterpret_cast<const char*>(bytes), data_size);
- delete [] bytes;
- } else {
- m->WriteData(NULL, 0);
- }
- }
- static bool Read(const Message* m, void** iter, param_type* r) {
- bool res = FALSE;
- const char *data;
- int data_size = 0;
- res = m->ReadData(iter, &data, &data_size);
- if (data_size) {
- *r = ExtCreateRegion(NULL, data_size,
- reinterpret_cast<CONST RGNDATA*>(data));
- } else {
- res = TRUE;
- *r = CreateRectRgn(0, 0, 0, 0);
- }
- return res;
- }
- static void Log(const param_type& p, std::wstring* l) {
- l->append(StringPrintf(L"0x%X", p));
- }
-};
-
-template <>
-struct ParamTraits<HACCEL> {
- typedef HACCEL param_type;
- static void Write(Message* m, const param_type& p) {
- m->WriteIntPtr(reinterpret_cast<intptr_t>(p));
- }
- static bool Read(const Message* m, void** iter, param_type* r) {
- DCHECK_EQ(sizeof(param_type), sizeof(intptr_t));
- return m->ReadIntPtr(iter, reinterpret_cast<intptr_t*>(r));
- }
-};
-
-template <>
-struct ParamTraits<POINT> {
- typedef POINT param_type;
- static void Write(Message* m, const param_type& p) {
- m->WriteInt(p.x);
- m->WriteInt(p.y);
- }
- static bool Read(const Message* m, void** iter, param_type* r) {
- int x, y;
- if (!m->ReadInt(iter, &x) || !m->ReadInt(iter, &y))
- return false;
- r->x = x;
- r->y = y;
- return true;
- }
- static void Log(const param_type& p, std::wstring* l) {
- l->append(StringPrintf(L"(%d, %d)", p.x, p.y));
- }
-};
-#endif // defined(OS_WIN)
-
-template <>
-struct ParamTraits<FilePath> {
- typedef FilePath param_type;
- static void Write(Message* m, const param_type& p) {
- ParamTraits<FilePath::StringType>::Write(m, p.value());
- }
- static bool Read(const Message* m, void** iter, param_type* r) {
- FilePath::StringType value;
- if (!ParamTraits<FilePath::StringType>::Read(m, iter, &value))
- return false;
- *r = FilePath(value);
- return true;
- }
- static void Log(const param_type& p, std::wstring* l) {
- ParamTraits<FilePath::StringType>::Log(p.value(), l);
- }
-};
-
-template <>
-struct ParamTraits<gfx::Point> {
- typedef gfx::Point param_type;
- static void Write(Message* m, const param_type& p);
- static bool Read(const Message* m, void** iter, param_type* r);
- static void Log(const param_type& p, std::wstring* l);
-};
-
-template <>
-struct ParamTraits<gfx::Rect> {
- typedef gfx::Rect param_type;
- static void Write(Message* m, const param_type& p);
- static bool Read(const Message* m, void** iter, param_type* r);
- static void Log(const param_type& p, std::wstring* l);
-};
-
-template <>
-struct ParamTraits<gfx::Size> {
- typedef gfx::Size param_type;
- static void Write(Message* m, const param_type& p);
- static bool Read(const Message* m, void** iter, param_type* r);
- static void Log(const param_type& p, std::wstring* l);
-};
-
-#if defined(OS_POSIX)
-// FileDescriptors may be serialised over IPC channels on POSIX. On the
-// receiving side, the FileDescriptor is a valid duplicate of the file
-// descriptor which was transmitted: *it is not just a copy of the integer like
-// HANDLEs on Windows*. The only exception is if the file descriptor is < 0. In
-// this case, the receiving end will see a value of -1. *Zero is a valid file
-// descriptor*.
-//
-// The received file descriptor will have the |auto_close| flag set to true. The
-// code which handles the message is responsible for taking ownership of it.
-// File descriptors are OS resources and must be closed when no longer needed.
-//
-// When sending a file descriptor, the file descriptor must be valid at the time
-// of transmission. Since transmission is not synchronous, one should consider
-// dup()ing any file descriptors to be transmitted and setting the |auto_close|
-// flag, which causes the file descriptor to be closed after writing.
-template<>
-struct ParamTraits<base::FileDescriptor> {
- typedef base::FileDescriptor param_type;
- static void Write(Message* m, const param_type& p) {
- const bool valid = p.fd >= 0;
- WriteParam(m, valid);
-
- if (valid) {
- if (!m->WriteFileDescriptor(p))
- NOTREACHED();
- }
- }
- static bool Read(const Message* m, void** iter, param_type* r) {
- bool valid;
- if (!ReadParam(m, iter, &valid))
- return false;
-
- if (!valid) {
- r->fd = -1;
- r->auto_close = false;
- return true;
- }
-
- return m->ReadFileDescriptor(iter, r);
- }
- static void Log(const param_type& p, std::wstring* l) {
- if (p.auto_close) {
- l->append(StringPrintf(L"FD(%d auto-close)", p.fd));
- } else {
- l->append(StringPrintf(L"FD(%d)", p.fd));
- }
- }
-};
-#endif // defined(OS_POSIX)
-
-template<>
-struct ParamTraits<ThumbnailScore> {
- typedef ThumbnailScore param_type;
- static void Write(Message* m, const param_type& p) {
- IPC::ParamTraits<double>::Write(m, p.boring_score);
- IPC::ParamTraits<bool>::Write(m, p.good_clipping);
- IPC::ParamTraits<bool>::Write(m, p.at_top);
- IPC::ParamTraits<base::Time>::Write(m, p.time_at_snapshot);
- }
- static bool Read(const Message* m, void** iter, param_type* r) {
- double boring_score;
- bool good_clipping, at_top;
- base::Time time_at_snapshot;
- if (!IPC::ParamTraits<double>::Read(m, iter, &boring_score) ||
- !IPC::ParamTraits<bool>::Read(m, iter, &good_clipping) ||
- !IPC::ParamTraits<bool>::Read(m, iter, &at_top) ||
- !IPC::ParamTraits<base::Time>::Read(m, iter, &time_at_snapshot))
- return false;
-
- r->boring_score = boring_score;
- r->good_clipping = good_clipping;
- r->at_top = at_top;
- r->time_at_snapshot = time_at_snapshot;
- return true;
- }
- static void Log(const param_type& p, std::wstring* l) {
- l->append(StringPrintf(L"(%f, %d, %d)",
- p.boring_score, p.good_clipping, p.at_top));
- }
-};
-
-template <>
-struct ParamTraits<WindowOpenDisposition> {
- typedef WindowOpenDisposition param_type;
- static void Write(Message* m, const param_type& p) {
- m->WriteInt(p);
- }
- static bool Read(const Message* m, void** iter, param_type* r) {
- int temp;
- bool res = m->ReadInt(iter, &temp);
- *r = static_cast<WindowOpenDisposition>(temp);
- return res;
- }
- static void Log(const param_type& p, std::wstring* l) {
- l->append(StringPrintf(L"%d", p));
- }
-};
-
-#if defined(OS_WIN)
-template <>
-struct ParamTraits<XFORM> {
- typedef XFORM param_type;
- static void Write(Message* m, const param_type& p) {
- m->WriteData(reinterpret_cast<const char*>(&p), sizeof(XFORM));
- }
- static bool Read(const Message* m, void** iter, param_type* r) {
- const char *data;
- int data_size = 0;
- bool result = m->ReadData(iter, &data, &data_size);
- if (result && data_size == sizeof(XFORM)) {
- memcpy(r, data, sizeof(XFORM));
- } else {
- result = false;
- NOTREACHED();
- }
-
- return result;
- }
- static void Log(const param_type& p, std::wstring* l) {
- l->append(L"<XFORM>");
- }
-};
-#endif // defined(OS_WIN)
-
-template <>
-struct ParamTraits<WebCursor> {
- typedef WebCursor param_type;
- static void Write(Message* m, const param_type& p) {
- p.Serialize(m);
- }
- static bool Read(const Message* m, void** iter, param_type* r) {
- return r->Deserialize(m, iter);
- }
- static void Log(const param_type& p, std::wstring* l) {
- l->append(L"<WebCursor>");
- }
-};
-
-struct LogData {
- std::wstring channel;
- uint16 type;
- std::wstring flags;
- int64 sent; // Time that the message was sent (i.e. at Send()).
- int64 receive; // Time before it was dispatched (i.e. before calling
- // OnMessageReceived).
- int64 dispatch; // Time after it was dispatched (i.e. after calling
- // OnMessageReceived).
- std::wstring message_name;
- std::wstring params;
-};
-
-template <>
-struct ParamTraits<LogData> {
- typedef LogData param_type;
- static void Write(Message* m, const param_type& p) {
- WriteParam(m, p.channel);
- WriteParam(m, static_cast<int>(p.type));
- WriteParam(m, p.flags);
- WriteParam(m, p.sent);
- WriteParam(m, p.receive);
- WriteParam(m, p.dispatch);
- WriteParam(m, p.params);
- }
- static bool Read(const Message* m, void** iter, param_type* r) {
- int type;
- bool result =
- ReadParam(m, iter, &r->channel) &&
- ReadParam(m, iter, &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->params);
- r->type = static_cast<uint16>(type);
- return result;
- }
- static void Log(const param_type& p, std::wstring* l) {
- // Doesn't make sense to implement this!
- }
-};
-
-
-template <>
-struct ParamTraits<webkit_glue::WebApplicationInfo> {
- typedef webkit_glue::WebApplicationInfo param_type;
- static void Write(Message* m, const param_type& p);
- static bool Read(const Message* m, void** iter, param_type* r);
- static void Log(const param_type& p, std::wstring* l);
-};
-
-
-#if defined(OS_WIN)
-template<>
-struct ParamTraits<TransportDIB::Id> {
- typedef TransportDIB::Id param_type;
- static void Write(Message* m, const param_type& p) {
- WriteParam(m, p.handle);
- WriteParam(m, p.sequence_num);
- }
- static bool Read(const Message* m, void** iter, param_type* r) {
- return (ReadParam(m, iter, &r->handle) &&
- ReadParam(m, iter, &r->sequence_num));
- }
- static void Log(const param_type& p, std::wstring* l) {
- l->append(L"TransportDIB(");
- LogParam(p.handle, l);
- l->append(L", ");
- LogParam(p.sequence_num, l);
- l->append(L")");
- }
-};
-#endif
-
-template <>
-struct ParamTraits<Message> {
- static void Write(Message* m, const Message& p) {
- m->WriteInt(p.size());
- m->WriteData(reinterpret_cast<const char*>(p.data()), p.size());
- }
- static bool Read(const Message* m, void** iter, Message* r) {
- int size;
- if (!m->ReadInt(iter, &size))
- return false;
- const char* data;
- if (!m->ReadData(iter, &data, &size))
- return false;
- *r = Message(data, size);
- return true;
- }
- static void Log(const Message& p, std::wstring* l) {
- l->append(L"<IPC::Message>");
- }
-};
-
-template <>
-struct ParamTraits<Tuple0> {
- typedef Tuple0 param_type;
- static void Write(Message* m, const param_type& p) {
- }
- static bool Read(const Message* m, void** iter, param_type* r) {
- return true;
- }
- static void Log(const param_type& p, std::wstring* l) {
- }
-};
-
-template <class A>
-struct ParamTraits< Tuple1<A> > {
- typedef Tuple1<A> param_type;
- static void Write(Message* m, const param_type& p) {
- WriteParam(m, p.a);
- }
- static bool Read(const Message* m, void** iter, param_type* r) {
- return ReadParam(m, iter, &r->a);
- }
- static void Log(const param_type& p, std::wstring* l) {
- LogParam(p.a, l);
- }
-};
-
-template <class A, class B>
-struct ParamTraits< Tuple2<A, B> > {
- typedef Tuple2<A, B> param_type;
- static void Write(Message* m, const param_type& p) {
- WriteParam(m, p.a);
- WriteParam(m, p.b);
- }
- static bool Read(const Message* m, void** iter, param_type* r) {
- return (ReadParam(m, iter, &r->a) &&
- ReadParam(m, iter, &r->b));
- }
- static void Log(const param_type& p, std::wstring* l) {
- LogParam(p.a, l);
- l->append(L", ");
- LogParam(p.b, l);
- }
-};
-
-template <class A, class B, class C>
-struct ParamTraits< Tuple3<A, B, C> > {
- typedef Tuple3<A, B, C> param_type;
- static void Write(Message* m, const param_type& p) {
- WriteParam(m, p.a);
- WriteParam(m, p.b);
- WriteParam(m, p.c);
- }
- static bool Read(const Message* m, void** iter, param_type* r) {
- return (ReadParam(m, iter, &r->a) &&
- ReadParam(m, iter, &r->b) &&
- ReadParam(m, iter, &r->c));
- }
- static void Log(const param_type& p, std::wstring* l) {
- LogParam(p.a, l);
- l->append(L", ");
- LogParam(p.b, l);
- l->append(L", ");
- LogParam(p.c, l);
- }
-};
-
-template <class A, class B, class C, class D>
-struct ParamTraits< Tuple4<A, B, C, D> > {
- typedef Tuple4<A, B, C, D> param_type;
- static void Write(Message* m, const param_type& p) {
- WriteParam(m, p.a);
- WriteParam(m, p.b);
- WriteParam(m, p.c);
- WriteParam(m, p.d);
- }
- static bool Read(const Message* m, void** iter, param_type* r) {
- return (ReadParam(m, iter, &r->a) &&
- ReadParam(m, iter, &r->b) &&
- ReadParam(m, iter, &r->c) &&
- ReadParam(m, iter, &r->d));
- }
- static void Log(const param_type& p, std::wstring* l) {
- LogParam(p.a, l);
- l->append(L", ");
- LogParam(p.b, l);
- l->append(L", ");
- LogParam(p.c, l);
- l->append(L", ");
- LogParam(p.d, l);
- }
-};
-
-template <class A, class B, class C, class D, class E>
-struct ParamTraits< Tuple5<A, B, C, D, E> > {
- typedef Tuple5<A, B, C, D, E> param_type;
- static void Write(Message* m, const param_type& p) {
- WriteParam(m, p.a);
- WriteParam(m, p.b);
- WriteParam(m, p.c);
- WriteParam(m, p.d);
- WriteParam(m, p.e);
- }
- static bool Read(const Message* m, void** iter, param_type* r) {
- return (ReadParam(m, iter, &r->a) &&
- ReadParam(m, iter, &r->b) &&
- ReadParam(m, iter, &r->c) &&
- ReadParam(m, iter, &r->d) &&
- ReadParam(m, iter, &r->e));
- }
- static void Log(const param_type& p, std::wstring* l) {
- LogParam(p.a, l);
- l->append(L", ");
- LogParam(p.b, l);
- l->append(L", ");
- LogParam(p.c, l);
- l->append(L", ");
- LogParam(p.d, l);
- l->append(L", ");
- LogParam(p.e, l);
- }
-};
-
-template <class A, class B, class C, class D, class E, class F>
-struct ParamTraits< Tuple6<A, B, C, D, E, F> > {
- typedef Tuple6<A, B, C, D, E, F> param_type;
- static void Write(Message* m, const param_type& p) {
- WriteParam(m, p.a);
- WriteParam(m, p.b);
- WriteParam(m, p.c);
- WriteParam(m, p.d);
- WriteParam(m, p.e);
- WriteParam(m, p.f);
- }
- static bool Read(const Message* m, void** iter, param_type* r) {
- return (ReadParam(m, iter, &r->a) &&
- ReadParam(m, iter, &r->b) &&
- ReadParam(m, iter, &r->c) &&
- ReadParam(m, iter, &r->d) &&
- ReadParam(m, iter, &r->e) &&
- ReadParam(m, iter, &r->f));
- }
- static void Log(const param_type& p, std::wstring* l) {
- LogParam(p.a, l);
- l->append(L", ");
- LogParam(p.b, l);
- l->append(L", ");
- LogParam(p.c, l);
- l->append(L", ");
- LogParam(p.d, l);
- l->append(L", ");
- LogParam(p.e, l);
- l->append(L", ");
- LogParam(p.f, l);
- }
-};
-
-
-
-//-----------------------------------------------------------------------------
-// Generic message subclasses
-
-// Used for asynchronous messages.
-template <class ParamType>
-class MessageWithTuple : public Message {
- public:
- typedef ParamType Param;
-
- MessageWithTuple(int32 routing_id, uint16 type, const Param& p)
- : Message(routing_id, type, PRIORITY_NORMAL) {
- WriteParam(this, p);
- }
-
- static bool Read(const Message* msg, Param* p) {
- void* iter = NULL;
- bool rv = ReadParam(msg, &iter, p);
- DCHECK(rv) << "Error deserializing message " << msg->type();
- return rv;
- }
-
- // Generic dispatcher. Should cover most cases.
- template<class T, class Method>
- static bool Dispatch(const Message* msg, T* obj, Method func) {
- Param p;
- if (Read(msg, &p)) {
- DispatchToMethod(obj, func, p);
- return true;
- }
- return false;
- }
-
- // The following dispatchers exist for the case where the callback function
- // needs the message as well. They assume that "Param" is a type of Tuple
- // (except the one arg case, as there is no Tuple1).
- template<class T, typename TA>
- static bool Dispatch(const Message* msg, T* obj,
- void (T::*func)(const Message&, TA)) {
- Param p;
- if (Read(msg, &p)) {
- (obj->*func)(*msg, p);
- return true;
- }
- return false;
- }
-
- template<class T, typename TA, typename TB>
- static bool Dispatch(const Message* msg, T* obj,
- void (T::*func)(const Message&, TA, TB)) {
- Param p;
- if (Read(msg, &p)) {
- (obj->*func)(*msg, p.a, p.b);
- return true;
- }
- return false;
- }
-
- template<class T, typename TA, typename TB, typename TC>
- static bool Dispatch(const Message* msg, T* obj,
- void (T::*func)(const Message&, TA, TB, TC)) {
- Param p;
- if (Read(msg, &p)) {
- (obj->*func)(*msg, p.a, p.b, p.c);
- return true;
- }
- return false;
- }
-
- template<class T, typename TA, typename TB, typename TC, typename TD>
- static bool Dispatch(const Message* msg, T* obj,
- void (T::*func)(const Message&, TA, TB, TC, TD)) {
- Param p;
- if (Read(msg, &p)) {
- (obj->*func)(*msg, p.a, p.b, p.c, p.d);
- return true;
- }
- return false;
- }
-
- template<class T, typename TA, typename TB, typename TC, typename TD,
- typename TE>
- static bool Dispatch(const Message* msg, T* obj,
- void (T::*func)(const Message&, TA, TB, TC, TD, TE)) {
- Param p;
- if (Read(msg, &p)) {
- (obj->*func)(*msg, p.a, p.b, p.c, p.d, p.e);
- return true;
- }
- return false;
- }
-
- static void Log(const Message* msg, std::wstring* l) {
- Param p;
- if (Read(msg, &p))
- LogParam(p, l);
- }
-
- // Functions used to do manual unpacking. Only used by the automation code,
- // these should go away once that code uses SyncChannel.
- template<typename TA, typename TB>
- static bool Read(const IPC::Message* msg, TA* a, TB* b) {
- ParamType params;
- if (!Read(msg, &params))
- return false;
- *a = params.a;
- *b = params.b;
- return true;
- }
-
- template<typename TA, typename TB, typename TC>
- static bool Read(const IPC::Message* msg, TA* a, TB* b, TC* c) {
- ParamType params;
- if (!Read(msg, &params))
- return false;
- *a = params.a;
- *b = params.b;
- *c = params.c;
- return true;
- }
-
- template<typename TA, typename TB, typename TC, typename TD>
- static bool Read(const IPC::Message* msg, TA* a, TB* b, TC* c, TD* d) {
- ParamType params;
- if (!Read(msg, &params))
- return false;
- *a = params.a;
- *b = params.b;
- *c = params.c;
- *d = params.d;
- return true;
- }
-
- template<typename TA, typename TB, typename TC, typename TD, typename TE>
- static bool Read(const IPC::Message* msg, TA* a, TB* b, TC* c, TD* d, TE* e) {
- ParamType params;
- if (!Read(msg, &params))
- return false;
- *a = params.a;
- *b = params.b;
- *c = params.c;
- *d = params.d;
- *e = params.e;
- return true;
- }
-};
-
-// This class assumes that its template argument is a RefTuple (a Tuple with
-// reference elements).
-template <class RefTuple>
-class ParamDeserializer : public MessageReplyDeserializer {
- public:
- explicit ParamDeserializer(const RefTuple& out) : out_(out) { }
-
- bool SerializeOutputParameters(const IPC::Message& msg, void* iter) {
- return ReadParam(&msg, &iter, &out_);
- }
-
- RefTuple out_;
-};
-
-// defined in ipc_logging.cc
-void GenerateLogData(const std::wstring& channel, const Message& message,
- LogData* data);
-
-// Used for synchronous messages.
-template <class SendParamType, class ReplyParamType>
-class MessageWithReply : public SyncMessage {
- public:
- typedef SendParamType SendParam;
- typedef ReplyParamType ReplyParam;
-
- MessageWithReply(int32 routing_id, uint16 type,
- const SendParam& send, const ReplyParam& reply)
- : SyncMessage(routing_id, type, PRIORITY_NORMAL,
- new ParamDeserializer<ReplyParam>(reply)) {
- WriteParam(this, send);
- }
-
- static void Log(const Message* msg, std::wstring* l) {
- if (msg->is_sync()) {
- SendParam p;
- void* iter = SyncMessage::GetDataIterator(msg);
- ReadParam(msg, &iter, &p);
- LogParam(p, l);
-
-#if defined(IPC_MESSAGE_LOG_ENABLED)
- const std::wstring& output_params = msg->output_params();
- if (!l->empty() && !output_params.empty())
- l->append(L", ");
-
- l->append(output_params);
-#endif
- } else {
- // This is an outgoing reply. Now that we have the output parameters, we
- // can finally log the message.
- typename ReplyParam::ValueTuple p;
- void* iter = SyncMessage::GetDataIterator(msg);
- ReadParam(msg, &iter, &p);
- LogParam(p, l);
- }
- }
-
- template<class T, class Method>
- static bool Dispatch(const Message* msg, T* obj, Method func) {
- SendParam send_params;
- void* iter = GetDataIterator(msg);
- Message* reply = GenerateReply(msg);
- bool error;
- if (ReadParam(msg, &iter, &send_params)) {
- typename ReplyParam::ValueTuple reply_params;
- DispatchToMethod(obj, func, send_params, &reply_params);
- WriteParam(reply, reply_params);
- error = false;
-#ifdef IPC_MESSAGE_LOG_ENABLED
- if (msg->received_time() != 0) {
- std::wstring output_params;
- LogParam(reply_params, &output_params);
- msg->set_output_params(output_params);
- }
-#endif
- } else {
- NOTREACHED() << "Error deserializing message " << msg->type();
- reply->set_reply_error();
- error = true;
- }
-
- obj->Send(reply);
- return !error;
- }
-
- template<class T, class Method>
- static bool DispatchDelayReply(const Message* msg, T* obj, Method func) {
- SendParam send_params;
- void* iter = GetDataIterator(msg);
- Message* reply = GenerateReply(msg);
- bool error;
- if (ReadParam(msg, &iter, &send_params)) {
- Tuple1<Message&> t = MakeRefTuple(*reply);
-
-#ifdef IPC_MESSAGE_LOG_ENABLED
- if (msg->sent_time()) {
- // Don't log the sync message after dispatch, as we don't have the
- // output parameters at that point. Instead, save its data and log it
- // with the outgoing reply message when it's sent.
- LogData* data = new LogData;
- GenerateLogData(L"", *msg, data);
- msg->set_dont_log();
- reply->set_sync_log_data(data);
- }
-#endif
- DispatchToMethod(obj, func, send_params, &t);
- error = false;
- } else {
- NOTREACHED() << "Error deserializing message " << msg->type();
- reply->set_reply_error();
- obj->Send(reply);
- error = true;
- }
- return !error;
- }
-
- template<typename TA>
- static void WriteReplyParams(Message* reply, TA a) {
- ReplyParam p(a);
- WriteParam(reply, p);
- }
-
- template<typename TA, typename TB>
- static void WriteReplyParams(Message* reply, TA a, TB b) {
- ReplyParam p(a, b);
- WriteParam(reply, p);
- }
-
- template<typename TA, typename TB, typename TC>
- static void WriteReplyParams(Message* reply, TA a, TB b, TC c) {
- ReplyParam p(a, b, c);
- WriteParam(reply, p);
- }
-
- template<typename TA, typename TB, typename TC, typename TD>
- static void WriteReplyParams(Message* reply, TA a, TB b, TC c, TD d) {
- ReplyParam p(a, b, c, d);
- WriteParam(reply, p);
- }
-
- template<typename TA, typename TB, typename TC, typename TD, typename TE>
- static void WriteReplyParams(Message* reply, TA a, TB b, TC c, TD d, TE e) {
- ReplyParam p(a, b, c, d, e);
- WriteParam(reply, p);
- }
-};
-
-//-----------------------------------------------------------------------------
-
-} // namespace IPC
-
-#endif // CHROME_COMMON_IPC_MESSAGE_UTILS_H_
generated by cgit v1.1 at 2025-01-17 14:09:51 +0000