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// Copyright 2016 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 NET_SOCKET_FUZZED_DATAGRAM_CLIENT_SOCKET_H_
#define NET_SOCKET_FUZZED_DATAGRAM_CLIENT_SOCKET_H_
#include "net/socket/datagram_client_socket.h"
#include <stdint.h>
#include "base/memory/weak_ptr.h"
#include "net/base/completion_once_callback.h"
#include "net/base/ip_endpoint.h"
#include "net/base/network_change_notifier.h"
#include "net/log/net_log_with_source.h"
#include "net/traffic_annotation/network_traffic_annotation.h"
class FuzzedDataProvider;
namespace net {
class IOBuffer;
// Datagram ClientSocket implementation for use with fuzzers. Can fail to
// connect, reads and writes can succeed or fail synchronously or
// asynchronously. Successful reads return random data.
class FuzzedDatagramClientSocket : public DatagramClientSocket {
public:
// |data_provider| must outlive the created socket.
explicit FuzzedDatagramClientSocket(FuzzedDataProvider* data_provider);
FuzzedDatagramClientSocket(const FuzzedDatagramClientSocket&) = delete;
FuzzedDatagramClientSocket& operator=(const FuzzedDatagramClientSocket&) =
delete;
~FuzzedDatagramClientSocket() override;
// DatagramClientSocket implementation:
int Connect(const IPEndPoint& address) override;
int ConnectUsingNetwork(NetworkChangeNotifier::NetworkHandle network,
const IPEndPoint& address) override;
int ConnectUsingDefaultNetwork(const IPEndPoint& address) override;
NetworkChangeNotifier::NetworkHandle GetBoundNetwork() const override;
void ApplySocketTag(const SocketTag& tag) override;
// DatagramSocket implementation:
void Close() override;
int GetPeerAddress(IPEndPoint* address) const override;
int GetLocalAddress(IPEndPoint* address) const override;
void UseNonBlockingIO() override;
int WriteAsync(
const char* buffer,
size_t buf_len,
CompletionOnceCallback callback,
const NetworkTrafficAnnotationTag& traffic_annotation) override;
int WriteAsync(
DatagramBuffers buffers,
CompletionOnceCallback callback,
const NetworkTrafficAnnotationTag& traffic_annotation) override;
DatagramBuffers GetUnwrittenBuffers() override;
void SetWriteAsyncEnabled(bool enabled) override;
void SetMaxPacketSize(size_t max_packet_size) override;
bool WriteAsyncEnabled() override;
void SetWriteMultiCoreEnabled(bool enabled) override;
void SetSendmmsgEnabled(bool enabled) override;
void SetWriteBatchingActive(bool active) override;
int SetMulticastInterface(uint32_t interface_index) override;
const NetLogWithSource& NetLog() const override;
// Socket implementation:
int Read(IOBuffer* buf,
int buf_len,
CompletionOnceCallback callback) override;
int Write(IOBuffer* buf,
int buf_len,
CompletionOnceCallback callback,
const NetworkTrafficAnnotationTag& traffic_annotation) override;
int SetReceiveBufferSize(int32_t size) override;
int SetSendBufferSize(int32_t size) override;
int SetDoNotFragment() override;
void SetMsgConfirm(bool confirm) override {}
private:
void OnReadComplete(net::CompletionOnceCallback callback, int result);
void OnWriteComplete(net::CompletionOnceCallback callback, int result);
FuzzedDataProvider* data_provider_;
bool connected_ = false;
bool read_pending_ = false;
bool write_pending_ = false;
NetLogWithSource net_log_;
IPEndPoint remote_address_;
base::WeakPtrFactory<FuzzedDatagramClientSocket> weak_factory_{this};
};
} // namespace net
#endif // NET_SOCKET_FUZZED_DATAGRAM_CLIENT_SOCKET_H_
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