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Unified Diff: net/base/file_stream_win.cc

Issue 9288084: Added Net logging to FileStream. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: Clarified comments Created 8 years, 11 months ago
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« net/base/file_stream.h ('K') | « net/base/file_stream_posix.cc ('k') | net/base/net_log.h » ('j') | net/base/net_log_event_type_list.h » ('J')
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Index: net/base/file_stream_win.cc
diff --git a/net/base/file_stream_win.cc b/net/base/file_stream_win.cc
index 07d365f0597b1ef6178f7dd742a92263d8c46d66..e7e7f71f4a7543208c158787995e4e9baf851024 100644
--- a/net/base/file_stream_win.cc
+++ b/net/base/file_stream_win.cc
@@ -12,6 +12,7 @@
#include "base/metrics/histogram.h"
#include "base/threading/thread_restrictions.h"
#include "net/base/file_stream_metrics.h"
+#include "net/base/file_stream_net_log_parameters.h"
#include "net/base/net_errors.h"
namespace net {
@@ -36,7 +37,16 @@ static void IncrementOffset(OVERLAPPED* overlapped, DWORD count) {
namespace {
-int RecordAndMapError(int error, FileErrorSource source, bool record_uma) {
+int RecordAndMapError(int error,
+ FileErrorSource source,
+ bool record_uma,
+ const net::BoundNetLog& log) {
+ log.AddEvent(net::NetLog::TYPE_FILE_STREAM_ERROR,
+ make_scoped_refptr(
+ new FileStreamErrorParameters(
+ GetFileErrorSourceName(source),
+ error)));
+
RecordFileError(error, source, record_uma);
return MapSystemError(error);
}
@@ -49,7 +59,8 @@ class FileStream::AsyncContext : public MessageLoopForIO::IOHandler {
public:
AsyncContext(FileStream* owner)
: owner_(owner), context_(), is_closing_(false),
- record_uma_(false), error_source_(FILE_ERROR_SOURCE_COUNT) {
+ record_uma_(false),
+ error_source_(FILE_ERROR_SOURCE_COUNT) {
context_.handler = this;
}
~AsyncContext();
@@ -60,6 +71,7 @@ class FileStream::AsyncContext : public MessageLoopForIO::IOHandler {
const CompletionCallback& callback() const { return callback_; }
void set_error_source(FileErrorSource source) { error_source_ = source; }
+ void set_bound_net_log(const net::BoundNetLog& log) { net_log_ = log; }
void EnableErrorStatistics() {
record_uma_ = true;
@@ -74,6 +86,7 @@ class FileStream::AsyncContext : public MessageLoopForIO::IOHandler {
CompletionCallback callback_;
bool is_closing_;
bool record_uma_;
+ net::BoundNetLog net_log_;
FileErrorSource error_source_;
};
@@ -110,7 +123,7 @@ void FileStream::AsyncContext::OnIOCompleted(
int result = static_cast<int>(bytes_read);
if (error && error != ERROR_HANDLE_EOF)
- result = RecordAndMapError(error, error_source_, record_uma_);
+ result = RecordAndMapError(error, error_source_, record_uma_, net_log_);
if (bytes_read)
IncrementOffset(&context->overlapped, bytes_read);
@@ -123,10 +136,20 @@ void FileStream::AsyncContext::OnIOCompleted(
// FileStream ------------------------------------------------------------
FileStream::FileStream()
- : file_(INVALID_HANDLE_VALUE),
+ : file_(base::kInvalidPlatformFileValue),
+ open_flags_(0),
+ auto_closed_(true),
+ record_uma_(false) {
+}
+
+FileStream::FileStream(net::NetLog* log)
+ : file_(base::kInvalidPlatformFileValue),
open_flags_(0),
auto_closed_(true),
record_uma_(false) {
+ net_log_ = net::BoundNetLog::Make(log, net::NetLog::SOURCE_FILESTREAM);
+
+ net_log_.BeginEvent(net::NetLog::TYPE_FILE_STREAM_ALIVE, NULL);
}
FileStream::FileStream(base::PlatformFile file, int flags)
@@ -146,9 +169,12 @@ FileStream::FileStream(base::PlatformFile file, int flags)
FileStream::~FileStream() {
if (auto_closed_)
Close();
+
+ net_log_.EndEvent(net::NetLog::TYPE_FILE_STREAM_ALIVE, NULL);
}
void FileStream::Close() {
+ net_log_.AddEvent(net::NetLog::TYPE_FILE_STREAM_CLOSE, NULL);
if (file_ != INVALID_HANDLE_VALUE)
CancelIo(file_);
@@ -156,10 +182,18 @@ void FileStream::Close() {
if (file_ != INVALID_HANDLE_VALUE) {
CloseHandle(file_);
file_ = INVALID_HANDLE_VALUE;
+
+ net_log_.EndEvent(net::NetLog::TYPE_FILE_STREAM_OPEN, NULL);
}
}
int FileStream::Open(const FilePath& path, int open_flags) {
+ net_log_.BeginEvent(
+ net::NetLog::TYPE_FILE_STREAM_OPEN,
+ make_scoped_refptr(
+ new net::NetLogStringParameter("file_name",
+ path.AsUTF8Unsafe())));
+
if (IsOpen()) {
DLOG(FATAL) << "File is already open!";
return ERR_UNEXPECTED;
@@ -170,7 +204,10 @@ int FileStream::Open(const FilePath& path, int open_flags) {
if (file_ == INVALID_HANDLE_VALUE) {
DWORD error = GetLastError();
LOG(WARNING) << "Failed to open file: " << error;
- return RecordAndMapError(error, FILE_ERROR_SOURCE_OPEN, record_uma_);
+ return RecordAndMapError(error,
+ FILE_ERROR_SOURCE_OPEN,
+ record_uma_,
+ net_log_);
}
if (open_flags_ & base::PLATFORM_FILE_ASYNC) {
@@ -200,10 +237,14 @@ int64 FileStream::Seek(Whence whence, int64 offset) {
if (!SetFilePointerEx(file_, distance, &result, move_method)) {
DWORD error = GetLastError();
LOG(WARNING) << "SetFilePointerEx failed: " << error;
- return RecordAndMapError(error, FILE_ERROR_SOURCE_SEEK, record_uma_);
+ return RecordAndMapError(error,
+ FILE_ERROR_SOURCE_SEEK,
+ record_uma_,
+ net_log_);
}
if (async_context_.get()) {
async_context_->set_error_source(FILE_ERROR_SOURCE_SEEK);
+ async_context_->set_bound_net_log(net_log_);
SetOffset(async_context_->overlapped(), result);
}
return result.QuadPart;
@@ -223,7 +264,10 @@ int64 FileStream::Available() {
if (!GetFileSizeEx(file_, &file_size)) {
DWORD error = GetLastError();
LOG(WARNING) << "GetFileSizeEx failed: " << error;
- return RecordAndMapError(error, FILE_ERROR_SOURCE_GET_SIZE, record_uma_);
+ return RecordAndMapError(error,
+ FILE_ERROR_SOURCE_GET_SIZE,
+ record_uma_,
+ net_log_);
}
return file_size.QuadPart - cur_pos;
@@ -242,6 +286,7 @@ int FileStream::Read(
DCHECK(async_context_->callback().is_null());
overlapped = async_context_->overlapped();
async_context_->set_error_source(FILE_ERROR_SOURCE_READ);
+ async_context_->set_bound_net_log(net_log_);
} else {
DCHECK(callback.is_null());
base::ThreadRestrictions::AssertIOAllowed();
@@ -259,7 +304,10 @@ int FileStream::Read(
rv = 0; // Report EOF by returning 0 bytes read.
} else {
LOG(WARNING) << "ReadFile failed: " << error;
- rv = RecordAndMapError(error, FILE_ERROR_SOURCE_READ, record_uma_);
+ rv = RecordAndMapError(error,
+ FILE_ERROR_SOURCE_READ,
+ record_uma_,
+ net_log_);
}
} else if (overlapped) {
async_context_->IOCompletionIsPending(callback);
@@ -304,6 +352,7 @@ int FileStream::Write(
DCHECK(async_context_->callback().is_null());
overlapped = async_context_->overlapped();
async_context_->set_error_source(FILE_ERROR_SOURCE_WRITE);
+ async_context_->set_bound_net_log(net_log_);
} else {
DCHECK(callback.is_null());
base::ThreadRestrictions::AssertIOAllowed();
@@ -318,7 +367,10 @@ int FileStream::Write(
rv = ERR_IO_PENDING;
} else {
LOG(WARNING) << "WriteFile failed: " << error;
- rv = RecordAndMapError(error, FILE_ERROR_SOURCE_WRITE, record_uma_);
+ rv = RecordAndMapError(error,
+ FILE_ERROR_SOURCE_WRITE,
+ record_uma_,
+ net_log_);
}
} else if (overlapped) {
async_context_->IOCompletionIsPending(callback);
@@ -342,7 +394,8 @@ int FileStream::Flush() {
return RecordAndMapError(GetLastError(),
FILE_ERROR_SOURCE_FLUSH,
- record_uma_);
+ record_uma_,
+ net_log_);
}
int64 FileStream::Truncate(int64 bytes) {
@@ -351,7 +404,7 @@ int64 FileStream::Truncate(int64 bytes) {
if (!IsOpen())
return ERR_UNEXPECTED;
- // We better be open for reading.
+ // We'd better be open for reading.
DCHECK(open_flags_ & base::PLATFORM_FILE_WRITE);
// Seek to the position to truncate from.
@@ -364,7 +417,10 @@ int64 FileStream::Truncate(int64 bytes) {
if (!result) {
DWORD error = GetLastError();
LOG(WARNING) << "SetEndOfFile failed: " << error;
- return RecordAndMapError(error, FILE_ERROR_SOURCE_SET_EOF, record_uma_);
+ return RecordAndMapError(error,
+ FILE_ERROR_SOURCE_SET_EOF,
+ record_uma_,
+ net_log_);
}
// Success.
@@ -378,4 +434,24 @@ void FileStream::EnableErrorStatistics() {
async_context_->EnableErrorStatistics();
}
+void FileStream::SetBoundNetLogSource(const net::BoundNetLog& log) {
+ if (log.source().id == net::NetLog::Source::kInvalidId)
+ return;
+
+ if (log.source().id == net_log_.source().id)
+ return;
+
+ net_log_.AddEvent(
+ net::NetLog::TYPE_FILE_STREAM_BOUND_TO_OWNER,
+ make_scoped_refptr(
+ new net::NetLogSourceParameter("source_dependency",
+ log.source())));
+
+ log.AddEvent(
+ net::NetLog::TYPE_FILE_STREAM_SOURCE,
+ make_scoped_refptr(
+ new net::NetLogSourceParameter("source_dependency",
+ net_log_.source())));
+}
+
} // namespace net
« net/base/file_stream.h ('K') | « net/base/file_stream_posix.cc ('k') | net/base/net_log.h » ('j') | net/base/net_log_event_type_list.h » ('J')

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