3 * Copyright (c) 2021 Project CHIP Authors
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at
9 * http://www.apache.org/licenses/LICENSE-2.0
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
20 * This file implements the handler for echo messages.
23 #include <app/server/EchoHandler.h>
25 #include <protocols/echo/Echo.h>
26 #include <support/ErrorStr.h>
30 // The EchoServer object.
31 chip::Protocols::Echo::EchoServer gEchoServer;
34 * Callback handler when a CHIP EchoRequest is received.
36 * @param [in] ec The exchange context holding the incoming message.
37 * @param [in] payload The buffer holding the message. This function guarantees
38 * that it will free the buffer before returning.
41 void HandleEchoRequestReceived(chip::Messaging::ExchangeContext * ec, chip::System::PacketBufferHandle payload)
43 ChipLogProgress(AppServer, "Echo Request, len=%u ... sending response.\n", payload->DataLength());
48 CHIP_ERROR InitEchoHandler(chip::Messaging::ExchangeManager * exchangeMgr)
50 CHIP_ERROR err = CHIP_NO_ERROR;
52 err = gEchoServer.Init(exchangeMgr);
55 // Arrange to get a callback whenever an Echo Request is received.
56 gEchoServer.SetEchoRequestReceived(HandleEchoRequestReceived);
59 if (err != CHIP_NO_ERROR)
61 ChipLogError(AppServer, "EchoServer failed, err:%s\n", chip::ErrorStr(err));