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6a5695967f
crashpad_http_upload sends HTTP POST multipart/form-data requests and receives responses in exactly the same manner that crashpad_handler does for crash report uploads, but separates it out for more general testing and debugging. Change-Id: I5c5919f9b1dc1e6be1e43b15a35b31f51add8a46
141 lines
3.6 KiB
C++
141 lines
3.6 KiB
C++
// Copyright 2015 The Crashpad Authors. All rights reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include "util/file/file_reader.h"
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#include "base/logging.h"
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#include "base/numerics/safe_conversions.h"
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#include "build/build_config.h"
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namespace crashpad {
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bool FileReaderInterface::ReadExactly(void* data, size_t size) {
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FileOperationResult expect = base::checked_cast<FileOperationResult>(size);
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FileOperationResult rv = Read(data, size);
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if (rv < 0) {
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// Read() will have logged its own error.
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return false;
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} else if (rv != expect) {
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LOG(ERROR) << "ReadExactly(): expected " << expect << ", observed " << rv;
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return false;
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}
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return true;
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}
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WeakFileHandleFileReader::WeakFileHandleFileReader(FileHandle file_handle)
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: file_handle_(file_handle) {
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}
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WeakFileHandleFileReader::~WeakFileHandleFileReader() {
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}
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FileOperationResult WeakFileHandleFileReader::Read(void* data, size_t size) {
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DCHECK_NE(file_handle_, kInvalidFileHandle);
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// Don’t use LoggingReadFile(), which insists on a full read and only returns
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// a bool. This method permits short reads and returns the number of bytes
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// read.
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base::checked_cast<FileOperationResult>(size);
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FileOperationResult rv = ReadFile(file_handle_, data, size);
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if (rv < 0) {
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PLOG(ERROR) << "read";
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return -1;
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}
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return rv;
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}
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FileOffset WeakFileHandleFileReader::Seek(FileOffset offset, int whence) {
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DCHECK_NE(file_handle_, kInvalidFileHandle);
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return LoggingSeekFile(file_handle_, offset, whence);
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}
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FileReader::FileReader()
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: file_(),
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weak_file_handle_file_reader_(kInvalidFileHandle) {
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}
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FileReader::~FileReader() {
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}
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bool FileReader::Open(const base::FilePath& path) {
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CHECK(!file_.is_valid());
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file_.reset(LoggingOpenFileForRead(path));
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if (!file_.is_valid()) {
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return false;
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}
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weak_file_handle_file_reader_.set_file_handle(file_.get());
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return true;
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}
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void FileReader::Close() {
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CHECK(file_.is_valid());
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weak_file_handle_file_reader_.set_file_handle(kInvalidFileHandle);
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file_.reset();
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}
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FileOperationResult FileReader::Read(void* data, size_t size) {
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DCHECK(file_.is_valid());
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return weak_file_handle_file_reader_.Read(data, size);
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}
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FileOffset FileReader::Seek(FileOffset offset, int whence) {
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DCHECK(file_.is_valid());
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return weak_file_handle_file_reader_.Seek(offset, whence);
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}
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WeakStdioFileReader::WeakStdioFileReader(FILE* file)
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: file_(file) {
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}
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WeakStdioFileReader::~WeakStdioFileReader() {
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}
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FileOperationResult WeakStdioFileReader::Read(void* data, size_t size) {
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DCHECK(file_);
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size_t rv = fread(data, 1, size, file_);
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if (rv != size && ferror(file_)) {
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STDIO_PLOG(ERROR) << "fread";
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return -1;
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}
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if (rv > size) {
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LOG(ERROR) << "fread: expected " << size << ", observed " << rv;
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return -1;
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}
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return rv;
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}
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FileOffset WeakStdioFileReader::Seek(FileOffset offset, int whence) {
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DCHECK(file_);
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if (fseeko(file_, offset, whence) == -1) {
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STDIO_PLOG(ERROR) << "fseeko";
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return -1;
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}
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FileOffset new_offset = ftello(file_);
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if (new_offset == -1) {
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STDIO_PLOG(ERROR) << "ftello";
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return -1;
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}
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return new_offset;
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}
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} // namespace crashpad
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