blob: 3cf56553294ccb790174ffba78325b2c62187d74 [file] [log] [blame]
/*
*
* Copyright (c) 2020 Project CHIP Authors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/**
* @file
* This file implements a chip-echo-responder, for the
* CHIP Echo Protocol.
*
* The CHIP Echo Protocol implements two simple methods, in the
* style of ICMP ECHO REQUEST and ECHO REPLY, in which a sent
* payload is turned around by the responder and echoed back to
* the originator.
*
*/
#include "common.h"
#include <lib/core/CHIPCore.h>
#include <lib/core/ErrorStr.h>
#include <platform/CHIPDeviceLayer.h>
#include <protocols/echo/Echo.h>
#include <protocols/secure_channel/PASESession.h>
#include <system/SystemPacketBuffer.h>
#include <transport/raw/TCP.h>
#include <transport/raw/UDP.h>
namespace {
// The EchoServer object.
chip::Protocols::Echo::EchoServer gEchoServer;
chip::TransportMgr<chip::Transport::UDP> gUDPManager;
chip::TransportMgr<chip::Transport::TCP<kMaxTcpActiveConnectionCount, kMaxTcpPendingPackets>> gTCPManager;
chip::SessionHolder gSession;
// Callback handler when a CHIP EchoRequest is received.
void HandleEchoRequestReceived(chip::Messaging::ExchangeContext * ec, chip::System::PacketBufferHandle && payload)
{
printf("Echo Request, len=%u ... sending response.\n", payload->DataLength());
}
} // namespace
int main(int argc, char * argv[])
{
CHIP_ERROR err = CHIP_NO_ERROR;
chip::Transport::PeerAddress peer(chip::Transport::Type::kUndefined);
bool useTCP = false;
bool disableEcho = false;
const chip::FabricIndex gFabricIndex = 0;
if (argc > 2)
{
printf("Too many arguments specified!\n");
ExitNow(err = CHIP_ERROR_INVALID_ARGUMENT);
}
if ((argc == 2) && (strcmp(argv[1], "--tcp") == 0))
{
useTCP = true;
}
if ((argc == 2) && (strcmp(argv[1], "--disable") == 0))
{
disableEcho = true;
}
InitializeChip();
if (useTCP)
{
err = gTCPManager.Init(chip::Transport::TcpListenParameters(chip::DeviceLayer::TCPEndPointManager())
.SetAddressType(chip::Inet::IPAddressType::kIPv6));
SuccessOrExit(err);
err = gSessionManager.Init(&chip::DeviceLayer::SystemLayer(), &gTCPManager, &gMessageCounterManager, &gStorage,
&gFabricTable, gSessionKeystore);
SuccessOrExit(err);
}
else
{
err = gUDPManager.Init(chip::Transport::UdpListenParameters(chip::DeviceLayer::UDPEndPointManager())
.SetAddressType(chip::Inet::IPAddressType::kIPv6));
SuccessOrExit(err);
err = gSessionManager.Init(&chip::DeviceLayer::SystemLayer(), &gUDPManager, &gMessageCounterManager, &gStorage,
&gFabricTable, gSessionKeystore);
SuccessOrExit(err);
}
err = gExchangeManager.Init(&gSessionManager);
SuccessOrExit(err);
err = gMessageCounterManager.Init(&gExchangeManager);
SuccessOrExit(err);
if (!disableEcho)
{
err = gEchoServer.Init(&gExchangeManager);
SuccessOrExit(err);
}
err = gSessionManager.InjectPaseSessionWithTestKey(gSession, 1, chip::kTestControllerNodeId, 1, gFabricIndex, peer,
chip::CryptoContext::SessionRole::kResponder);
SuccessOrExit(err);
if (!disableEcho)
{
// Arrange to get a callback whenever an Echo Request is received.
gEchoServer.SetEchoRequestReceived(HandleEchoRequestReceived);
}
printf("Listening for Echo requests...\n");
chip::DeviceLayer::PlatformMgr().RunEventLoop();
exit:
if (err != CHIP_NO_ERROR)
{
printf("EchoServer failed, err:%s\n", chip::ErrorStr(err));
exit(EXIT_FAILURE);
}
if (!disableEcho)
{
gEchoServer.Shutdown();
}
gUDPManager.Close();
ShutdownChip();
return EXIT_SUCCESS;
}