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// Copyright 2013 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifdef UNSAFE_BUFFERS_BUILD
// TODO(crbug.com/390223051): Remove C-library calls to fix the errors.
#pragma allow_unsafe_libc_calls
#endif
#include "net/dns/mock_mdns_socket_factory.h"
#include <algorithm>
#include <utility>
#include "base/functional/bind.h"
#include "base/functional/callback_helpers.h"
#include "base/location.h"
#include "base/task/single_thread_task_runner.h"
#include "net/base/net_errors.h"
#include "net/dns/public/util.h"
using testing::_;
using testing::Invoke;
namespace net {
MockMDnsDatagramServerSocket::MockMDnsDatagramServerSocket(
AddressFamily address_family) {
local_address_ = dns_util::GetMdnsReceiveEndPoint(address_family);
}
MockMDnsDatagramServerSocket::~MockMDnsDatagramServerSocket() = default;
int MockMDnsDatagramServerSocket::SendTo(IOBuffer* buf,
int buf_len,
const IPEndPoint& address,
CompletionOnceCallback callback) {
return SendToInternal(std::string(buf->data(), buf_len), address.ToString(),
std::move(callback));
}
int MockMDnsDatagramServerSocket::GetLocalAddress(IPEndPoint* address) const {
*address = local_address_;
return OK;
}
void MockMDnsDatagramServerSocket::SetResponsePacket(
const std::string& response_packet) {
response_packet_ = response_packet;
}
int MockMDnsDatagramServerSocket::HandleRecvNow(
IOBuffer* buffer,
int size,
IPEndPoint* address,
CompletionOnceCallback callback) {
int size_returned =
std::min(response_packet_.size(), static_cast<size_t>(size));
memcpy(buffer->data(), response_packet_.data(), size_returned);
return size_returned;
}
int MockMDnsDatagramServerSocket::HandleRecvLater(
IOBuffer* buffer,
int size,
IPEndPoint* address,
CompletionOnceCallback callback) {
int rv = HandleRecvNow(buffer, size, address, base::DoNothing());
base::SingleThreadTaskRunner::GetCurrentDefault()->PostTask(
FROM_HERE, base::BindOnce(std::move(callback), rv));
return ERR_IO_PENDING;
}
MockMDnsSocketFactory::MockMDnsSocketFactory() = default;
MockMDnsSocketFactory::~MockMDnsSocketFactory() = default;
void MockMDnsSocketFactory::CreateSockets(
std::vector<std::unique_ptr<DatagramServerSocket>>* sockets) {
CreateSocket(ADDRESS_FAMILY_IPV4, sockets);
CreateSocket(ADDRESS_FAMILY_IPV6, sockets);
}
void MockMDnsSocketFactory::CreateSocket(
AddressFamily address_family,
std::vector<std::unique_ptr<DatagramServerSocket>>* sockets) {
auto new_socket =
std::make_unique<testing::NiceMock<MockMDnsDatagramServerSocket>>(
address_family);
ON_CALL(*new_socket, SendToInternal(_, _, _))
.WillByDefault(Invoke(
this,
&MockMDnsSocketFactory::SendToInternal));
ON_CALL(*new_socket, RecvFrom(_, _, _, _))
.WillByDefault(Invoke(this, &MockMDnsSocketFactory::RecvFromInternal));
sockets->push_back(std::move(new_socket));
}
void MockMDnsSocketFactory::SimulateReceive(const uint8_t* packet, int size) {
DCHECK(recv_buffer_size_ >= size);
DCHECK(recv_buffer_.get());
DCHECK(!recv_callback_.is_null());
memcpy(recv_buffer_->data(), packet, size);
std::move(recv_callback_).Run(size);
}
int MockMDnsSocketFactory::RecvFromInternal(IOBuffer* buffer,
int size,
IPEndPoint* address,
CompletionOnceCallback callback) {
recv_buffer_ = buffer;
recv_buffer_size_ = size;
recv_callback_ = std::move(callback);
return ERR_IO_PENDING;
}
int MockMDnsSocketFactory::SendToInternal(const std::string& packet,
const std::string& address,
CompletionOnceCallback callback) {
OnSendTo(packet);
return packet.size();
}
} // namespace net
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