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243a9c26d7
- Delete include/cef_runnable.h (issue #1336). - Build the cef_unittests target using all Chromium headers. Add a USING_CHROMIUM_INCLUDES define and libcef_dll_wrapper_unittests target to support this. This change avoids compile errors due to the divergence of CEF and Chromium base/ header implementations. The libcef_dll_wrapper sources must now compile successfully with both CEF and Chromium base/ headers (issue #1632). - The onbeforeunload message specified via JavaScript is no longer passed to the client (see http://crbug.com/587940).
428 lines
20 KiB
C++
428 lines
20 KiB
C++
// Copyright (c) 2014 Marshall A. Greenblatt. Portions copyright (c) 2012
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// Google Inc. All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following disclaimer
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// in the documentation and/or other materials provided with the
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// distribution.
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// * Neither the name of Google Inc. nor the name Chromium Embedded
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// Framework nor the names of its contributors may be used to endorse
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// or promote products derived from this software without specific prior
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// written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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///
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// Trace events are for tracking application performance and resource usage.
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// Macros are provided to track:
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// Begin and end of function calls
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// Counters
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//
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// Events are issued against categories. Whereas LOG's categories are statically
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// defined, TRACE categories are created implicitly with a string. For example:
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// TRACE_EVENT_INSTANT0("MY_SUBSYSTEM", "SomeImportantEvent")
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//
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// Events can be INSTANT, or can be pairs of BEGIN and END in the same scope:
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// TRACE_EVENT_BEGIN0("MY_SUBSYSTEM", "SomethingCostly")
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// doSomethingCostly()
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// TRACE_EVENT_END0("MY_SUBSYSTEM", "SomethingCostly")
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// Note: Our tools can't always determine the correct BEGIN/END pairs unless
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// these are used in the same scope. Use ASYNC_BEGIN/ASYNC_END macros if you
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// need them to be in separate scopes.
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//
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// A common use case is to trace entire function scopes. This issues a trace
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// BEGIN and END automatically:
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// void doSomethingCostly() {
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// TRACE_EVENT0("MY_SUBSYSTEM", "doSomethingCostly");
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// ...
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// }
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//
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// Additional parameters can be associated with an event:
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// void doSomethingCostly2(int howMuch) {
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// TRACE_EVENT1("MY_SUBSYSTEM", "doSomethingCostly",
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// "howMuch", howMuch);
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// ...
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// }
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//
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// The trace system will automatically add to this information the current
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// process id, thread id, and a timestamp in microseconds.
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//
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// To trace an asynchronous procedure such as an IPC send/receive, use
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// ASYNC_BEGIN and ASYNC_END:
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// [single threaded sender code]
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// static int send_count = 0;
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// ++send_count;
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// TRACE_EVENT_ASYNC_BEGIN0("ipc", "message", send_count);
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// Send(new MyMessage(send_count));
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// [receive code]
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// void OnMyMessage(send_count) {
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// TRACE_EVENT_ASYNC_END0("ipc", "message", send_count);
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// }
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// The third parameter is a unique ID to match ASYNC_BEGIN/ASYNC_END pairs.
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// ASYNC_BEGIN and ASYNC_END can occur on any thread of any traced process.
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// Pointers can be used for the ID parameter, and they will be mangled
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// internally so that the same pointer on two different processes will not
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// match. For example:
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// class MyTracedClass {
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// public:
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// MyTracedClass() {
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// TRACE_EVENT_ASYNC_BEGIN0("category", "MyTracedClass", this);
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// }
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// ~MyTracedClass() {
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// TRACE_EVENT_ASYNC_END0("category", "MyTracedClass", this);
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// }
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// }
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//
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// The trace event also supports counters, which is a way to track a quantity
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// as it varies over time. Counters are created with the following macro:
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// TRACE_COUNTER1("MY_SUBSYSTEM", "myCounter", g_myCounterValue);
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//
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// Counters are process-specific. The macro itself can be issued from any
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// thread, however.
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//
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// Sometimes, you want to track two counters at once. You can do this with two
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// counter macros:
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// TRACE_COUNTER1("MY_SUBSYSTEM", "myCounter0", g_myCounterValue[0]);
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// TRACE_COUNTER1("MY_SUBSYSTEM", "myCounter1", g_myCounterValue[1]);
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// Or you can do it with a combined macro:
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// TRACE_COUNTER2("MY_SUBSYSTEM", "myCounter",
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// "bytesPinned", g_myCounterValue[0],
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// "bytesAllocated", g_myCounterValue[1]);
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// This indicates to the tracing UI that these counters should be displayed
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// in a single graph, as a summed area chart.
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//
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// Since counters are in a global namespace, you may want to disembiguate with a
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// unique ID, by using the TRACE_COUNTER_ID* variations.
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//
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// By default, trace collection is compiled in, but turned off at runtime.
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// Collecting trace data is the responsibility of the embedding application. In
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// CEF's case, calling BeginTracing will turn on tracing on all active
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// processes.
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//
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//
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// Memory scoping note:
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// Tracing copies the pointers, not the string content, of the strings passed
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// in for category, name, and arg_names. Thus, the following code will cause
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// problems:
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// char* str = strdup("impprtantName");
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// TRACE_EVENT_INSTANT0("SUBSYSTEM", str); // BAD!
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// free(str); // Trace system now has dangling pointer
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//
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// To avoid this issue with the |name| and |arg_name| parameters, use the
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// TRACE_EVENT_COPY_XXX overloads of the macros at additional runtime
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// overhead.
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// Notes: The category must always be in a long-lived char* (i.e. static const).
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// The |arg_values|, when used, are always deep copied with the _COPY
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// macros.
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//
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//
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// Thread Safety:
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// All macros are thread safe and can be used from any process.
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///
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#ifndef CEF_INCLUDE_BASE_CEF_TRACE_EVENT_H_
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#define CEF_INCLUDE_BASE_CEF_TRACE_EVENT_H_
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#pragma once
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#if defined(TRACE_EVENT0)
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// Do nothing if the macros provided by this header already exist.
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// This can happen in cases where Chromium code is used directly by the
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// client application. When using Chromium code directly always include
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// the Chromium header first to avoid type conflicts.
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#elif defined(USING_CHROMIUM_INCLUDES)
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// When building CEF include the Chromium header directly.
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#include "base/trace_event/trace_event.h"
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#else // !USING_CHROMIUM_INCLUDES
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// The following is substantially similar to the Chromium implementation.
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// If the Chromium implementation diverges the below implementation should be
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// updated to match.
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#include "include/internal/cef_trace_event_internal.h"
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// Records a pair of begin and end events called "name" for the current
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// scope, with 0, 1 or 2 associated arguments. If the category is not
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// enabled, then this does nothing.
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// - category and name strings must have application lifetime (statics or
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// literals). They may not include " chars.
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#define TRACE_EVENT0(category, name) \
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cef_trace_event_begin(category, name, NULL, 0, NULL, 0, false); \
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CEF_INTERNAL_TRACE_END_ON_SCOPE_CLOSE(category, name)
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#define TRACE_EVENT1(category, name, arg1_name, arg1_val) \
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cef_trace_event_begin(category, name, arg1_name, arg1_val, NULL, 0, false); \
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CEF_INTERNAL_TRACE_END_ON_SCOPE_CLOSE(category, name)
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#define TRACE_EVENT2(category, name, arg1_name, arg1_val, arg2_name, \
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arg2_val) \
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cef_trace_event_begin(category, name, arg1_name, arg1_val, \
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arg2_name, arg2_val, false); \
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CEF_INTERNAL_TRACE_END_ON_SCOPE_CLOSE(category, name)
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// Implementation detail: trace event macros create temporary variable names.
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// These macros give each temporary variable a unique name based on the line
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// number to prevent name collisions.
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#define CEF_INTERNAL_TRACE_EVENT_UID3(a,b) \
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cef_trace_event_unique_##a##b
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#define CEF_INTERNAL_TRACE_EVENT_UID2(a,b) \
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CEF_INTERNAL_TRACE_EVENT_UID3(a,b)
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#define CEF_INTERNAL_TRACE_EVENT_UID(name_prefix) \
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CEF_INTERNAL_TRACE_EVENT_UID2(name_prefix, __LINE__)
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// Implementation detail: internal macro to end end event when the scope ends.
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#define CEF_INTERNAL_TRACE_END_ON_SCOPE_CLOSE(category, name) \
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cef_trace_event::CefTraceEndOnScopeClose \
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CEF_INTERNAL_TRACE_EVENT_UID(profileScope)(category, name)
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// Records a single event called "name" immediately, with 0, 1 or 2
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// associated arguments. If the category is not enabled, then this
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// does nothing.
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// - category and name strings must have application lifetime (statics or
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// literals). They may not include " chars.
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#define TRACE_EVENT_INSTANT0(category, name) \
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cef_trace_event_instant(category, name, NULL, 0, NULL, 0, false)
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#define TRACE_EVENT_INSTANT1(category, name, arg1_name, arg1_val) \
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cef_trace_event_instant(category, name, arg1_name, arg1_val, NULL, 0, false)
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#define TRACE_EVENT_INSTANT2(category, name, arg1_name, arg1_val, \
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arg2_name, arg2_val) \
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cef_trace_event_instant(category, name, arg1_name, arg1_val, arg2_name, \
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arg2_val, false)
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#define TRACE_EVENT_COPY_INSTANT0(category, name) \
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cef_trace_event_instant(category, name, NULL, 0, NULL, 0, true)
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#define TRACE_EVENT_COPY_INSTANT1(category, name, arg1_name, arg1_val) \
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cef_trace_event_instant(category, name, arg1_name, arg1_val, NULL, 0, true)
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#define TRACE_EVENT_COPY_INSTANT2(category, name, arg1_name, arg1_val, \
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arg2_name, arg2_val) \
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cef_trace_event_instant(category, name, arg1_name, arg1_val, arg2_name, \
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arg2_val, true)
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// Records a single BEGIN event called "name" immediately, with 0, 1 or 2
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// associated arguments. If the category is not enabled, then this
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// does nothing.
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// - category and name strings must have application lifetime (statics or
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// literals). They may not include " chars.
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#define TRACE_EVENT_BEGIN0(category, name) \
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cef_trace_event_begin(category, name, NULL, 0, NULL, 0, false)
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#define TRACE_EVENT_BEGIN1(category, name, arg1_name, arg1_val) \
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cef_trace_event_begin(category, name, arg1_name, arg1_val, NULL, 0, false)
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#define TRACE_EVENT_BEGIN2(category, name, arg1_name, arg1_val, \
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arg2_name, arg2_val) \
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cef_trace_event_begin(category, name, arg1_name, arg1_val, arg2_name, \
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arg2_val, false)
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#define TRACE_EVENT_COPY_BEGIN0(category, name) \
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cef_trace_event_begin(category, name, NULL, 0, NULL, 0, true)
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#define TRACE_EVENT_COPY_BEGIN1(category, name, arg1_name, arg1_val) \
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cef_trace_event_begin(category, name, arg1_name, arg1_val, NULL, 0, true)
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#define TRACE_EVENT_COPY_BEGIN2(category, name, arg1_name, arg1_val, \
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arg2_name, arg2_val) \
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cef_trace_event_begin(category, name, arg1_name, arg1_val, arg2_name, \
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arg2_val, true)
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// Records a single END event for "name" immediately. If the category
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// is not enabled, then this does nothing.
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// - category and name strings must have application lifetime (statics or
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// literals). They may not include " chars.
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#define TRACE_EVENT_END0(category, name) \
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cef_trace_event_end(category, name, NULL, 0, NULL, 0, false)
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#define TRACE_EVENT_END1(category, name, arg1_name, arg1_val) \
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cef_trace_event_end(category, name, arg1_name, arg1_val, NULL, 0, false)
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#define TRACE_EVENT_END2(category, name, arg1_name, arg1_val, \
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arg2_name, arg2_val) \
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cef_trace_event_end(category, name, arg1_name, arg1_val, arg2_name, \
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arg2_val, false)
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#define TRACE_EVENT_COPY_END0(category, name) \
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cef_trace_event_end(category, name, NULL, 0, NULL, 0, true)
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#define TRACE_EVENT_COPY_END1(category, name, arg1_name, arg1_val) \
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cef_trace_event_end(category, name, arg1_name, arg1_val, NULL, 0, true)
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#define TRACE_EVENT_COPY_END2(category, name, arg1_name, arg1_val, \
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arg2_name, arg2_val) \
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cef_trace_event_end(category, name, arg1_name, arg1_val, arg2_name, \
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arg2_val, true)
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// Records the value of a counter called "name" immediately. Value
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// must be representable as a 32 bit integer.
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// - category and name strings must have application lifetime (statics or
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// literals). They may not include " chars.
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#define TRACE_COUNTER1(category, name, value) \
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cef_trace_counter(category, name, NULL, value, NULL, 0, false)
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#define TRACE_COPY_COUNTER1(category, name, value) \
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cef_trace_counter(category, name, NULL, value, NULL, 0, true)
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// Records the values of a multi-parted counter called "name" immediately.
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// The UI will treat value1 and value2 as parts of a whole, displaying their
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// values as a stacked-bar chart.
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// - category and name strings must have application lifetime (statics or
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// literals). They may not include " chars.
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#define TRACE_COUNTER2(category, name, value1_name, value1_val, \
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value2_name, value2_val) \
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cef_trace_counter(category, name, value1_name, value1_val, value2_name, \
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value2_val, false)
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#define TRACE_COPY_COUNTER2(category, name, value1_name, value1_val, \
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value2_name, value2_val) \
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cef_trace_counter(category, name, value1_name, value1_val, value2_name, \
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value2_val, true)
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// Records the value of a counter called "name" immediately. Value
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// must be representable as a 32 bit integer.
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// - category and name strings must have application lifetime (statics or
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// literals). They may not include " chars.
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// - |id| is used to disambiguate counters with the same name. It must either
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// be a pointer or an integer value up to 64 bits. If it's a pointer, the
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// bits will be xored with a hash of the process ID so that the same pointer
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// on two different processes will not collide.
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#define TRACE_COUNTER_ID1(category, name, id, value) \
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cef_trace_counter_id(category, name, id, NULL, value, NULL, 0, false)
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#define TRACE_COPY_COUNTER_ID1(category, name, id, value) \
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cef_trace_counter_id(category, name, id, NULL, value, NULL, 0, true)
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// Records the values of a multi-parted counter called "name" immediately.
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// The UI will treat value1 and value2 as parts of a whole, displaying their
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// values as a stacked-bar chart.
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// - category and name strings must have application lifetime (statics or
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// literals). They may not include " chars.
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// - |id| is used to disambiguate counters with the same name. It must either
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// be a pointer or an integer value up to 64 bits. If it's a pointer, the
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// bits will be xored with a hash of the process ID so that the same pointer
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// on two different processes will not collide.
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#define TRACE_COUNTER_ID2(category, name, id, value1_name, value1_val, \
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value2_name, value2_val) \
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cef_trace_counter_id(category, name, id, value1_name, value1_val, \
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value2_name, value2_val, false)
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#define TRACE_COPY_COUNTER_ID2(category, name, id, value1_name, \
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value1_val, value2_name, value2_val) \
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cef_trace_counter_id(category, name, id, value1_name, value1_val, \
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value2_name, value2_val, true)
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// Records a single ASYNC_BEGIN event called "name" immediately, with 0, 1 or 2
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// associated arguments. If the category is not enabled, then this
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// does nothing.
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// - category and name strings must have application lifetime (statics or
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// literals). They may not include " chars.
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// - |id| is used to match the ASYNC_BEGIN event with the ASYNC_END event.
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// ASYNC events are considered to match if their category, name and id values
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// all match. |id| must either be a pointer or an integer value up to 64
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// bits. If it's a pointer, the bits will be xored with a hash of the process
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// ID sothat the same pointer on two different processes will not collide.
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// An asynchronous operation can consist of multiple phases. The first phase is
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// defined by the ASYNC_BEGIN calls. Additional phases can be defined using the
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// ASYNC_STEP_BEGIN macros. When the operation completes, call ASYNC_END.
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// An async operation can span threads and processes, but all events in that
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// operation must use the same |name| and |id|. Each event can have its own
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// args.
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#define TRACE_EVENT_ASYNC_BEGIN0(category, name, id) \
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cef_trace_event_async_begin(category, name, id, NULL, 0, NULL, 0, false)
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#define TRACE_EVENT_ASYNC_BEGIN1(category, name, id, arg1_name, arg1_val) \
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cef_trace_event_async_begin(category, name, id, arg1_name, arg1_val, NULL, \
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0, false)
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#define TRACE_EVENT_ASYNC_BEGIN2(category, name, id, arg1_name, arg1_val, \
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arg2_name, arg2_val) \
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cef_trace_event_async_begin(category, name, id, arg1_name, arg1_val, \
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arg2_name, arg2_val, false)
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#define TRACE_EVENT_COPY_ASYNC_BEGIN0(category, name, id) \
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cef_trace_event_async_begin(category, name, id, NULL, 0, NULL, 0, true)
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#define TRACE_EVENT_COPY_ASYNC_BEGIN1(category, name, id, arg1_name, \
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arg1_val) \
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cef_trace_event_async_begin(category, name, id, arg1_name, arg1_val, NULL, \
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0, true)
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#define TRACE_EVENT_COPY_ASYNC_BEGIN2(category, name, id, arg1_name, \
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arg1_val, arg2_name, arg2_val) \
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cef_trace_event_async_begin(category, name, id, arg1_name, arg1_val, \
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arg2_name, arg2_val, true)
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// Records a single ASYNC_STEP_INTO event for |step| immediately. If the
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// category is not enabled, then this does nothing. The |name| and |id| must
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// match the ASYNC_BEGIN event above. The |step| param identifies this step
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// within the async event. This should be called at the beginning of the next
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// phase of an asynchronous operation. The ASYNC_BEGIN event must not have any
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// ASYNC_STEP_PAST events.
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#define TRACE_EVENT_ASYNC_STEP_INTO0(category, name, id, step) \
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cef_trace_event_async_step_into(category, name, id, step, NULL, 0, false)
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#define TRACE_EVENT_ASYNC_STEP_INTO1(category, name, id, step, \
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arg1_name, arg1_val) \
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cef_trace_event_async_step_into(category, name, id, step, arg1_name, \
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arg1_val, false)
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#define TRACE_EVENT_COPY_ASYNC_STEP_INTO0(category, name, id, step) \
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cef_trace_event_async_step_into(category, name, id, step, NULL, 0, true)
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#define TRACE_EVENT_COPY_ASYNC_STEP_INTO1(category, name, id, step, \
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arg1_name, arg1_val) \
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cef_trace_event_async_step_into(category, name, id, step, arg1_name, \
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arg1_val, true)
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// Records a single ASYNC_STEP_PAST event for |step| immediately. If the
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// category is not enabled, then this does nothing. The |name| and |id| must
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// match the ASYNC_BEGIN event above. The |step| param identifies this step
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// within the async event. This should be called at the beginning of the next
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// phase of an asynchronous operation. The ASYNC_BEGIN event must not have any
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// ASYNC_STEP_INTO events.
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#define TRACE_EVENT_ASYNC_STEP_PAST0(category, name, id, step) \
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cef_trace_event_async_step_past(category, name, id, step, NULL, 0, false)
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#define TRACE_EVENT_ASYNC_STEP_PAST1(category, name, id, step, \
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arg1_name, arg1_val) \
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cef_trace_event_async_step_past(category, name, id, step, arg1_name, \
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arg1_val, false)
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#define TRACE_EVENT_COPY_ASYNC_STEP_PAST0(category, name, id, step) \
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cef_trace_event_async_step_past(category, name, id, step, NULL, 0, true)
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#define TRACE_EVENT_COPY_ASYNC_STEP_PAST1(category, name, id, step, \
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arg1_name, arg1_val) \
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cef_trace_event_async_step_past(category, name, id, step, arg1_name, \
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arg1_val, true)
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// Records a single ASYNC_END event for "name" immediately. If the category
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// is not enabled, then this does nothing.
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#define TRACE_EVENT_ASYNC_END0(category, name, id) \
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cef_trace_event_async_end(category, name, id, NULL, 0, NULL, 0, false)
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#define TRACE_EVENT_ASYNC_END1(category, name, id, arg1_name, arg1_val) \
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cef_trace_event_async_end(category, name, id, arg1_name, arg1_val, NULL, 0, \
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false)
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#define TRACE_EVENT_ASYNC_END2(category, name, id, arg1_name, arg1_val, \
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arg2_name, arg2_val) \
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cef_trace_event_async_end(category, name, id, arg1_name, arg1_val, \
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arg2_name, arg2_val, false)
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#define TRACE_EVENT_COPY_ASYNC_END0(category, name, id) \
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cef_trace_event_async_end(category, name, id, NULL, 0, NULL, 0, true)
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#define TRACE_EVENT_COPY_ASYNC_END1(category, name, id, arg1_name, \
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arg1_val) \
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cef_trace_event_async_end(category, name, id, arg1_name, arg1_val, NULL, 0, \
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true)
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#define TRACE_EVENT_COPY_ASYNC_END2(category, name, id, arg1_name, \
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arg1_val, arg2_name, arg2_val) \
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cef_trace_event_async_end(category, name, id, arg1_name, arg1_val, \
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arg2_name, arg2_val, true)
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namespace cef_trace_event {
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// Used by TRACE_EVENTx macro. Do not use directly.
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class CefTraceEndOnScopeClose {
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public:
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CefTraceEndOnScopeClose(const char* category, const char* name)
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: category_(category), name_(name) {
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}
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~CefTraceEndOnScopeClose() {
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cef_trace_event_end(category_, name_, NULL, 0, NULL, 0, false);
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}
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private:
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const char* category_;
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const char* name_;
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};
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} // cef_trace_event
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#endif // !USING_CHROMIUM_INCLUDES
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#endif // CEF_INCLUDE_BASE_CEF_TRACE_EVENT_H_
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