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63 lines
2.0 KiB
63 lines
2.0 KiB
2 years ago
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// Copyright 2019 Google LLC
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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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// https://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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#ifndef dap_network_h
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#define dap_network_h
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#include <functional>
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#include <memory>
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namespace dap {
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class ReaderWriter;
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namespace net {
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// connect() connects to the given TCP address and port.
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// If timeoutMillis is non-zero and no connection was made before timeoutMillis
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// milliseconds, then nullptr is returned.
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std::shared_ptr<ReaderWriter> connect(const char* addr,
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int port,
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uint32_t timeoutMillis = 0);
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// Server implements a basic TCP server.
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class Server {
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// ignoreErrors() matches the OnError signature, and does nothing.
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static inline void ignoreErrors(const char*) {}
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public:
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using OnError = std::function<void(const char*)>;
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using OnConnect = std::function<void(const std::shared_ptr<ReaderWriter>&)>;
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virtual ~Server() = default;
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// create() constructs and returns a new Server.
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static std::unique_ptr<Server> create();
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// start() begins listening for connections on the given port.
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// callback will be called for each connection.
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// onError will be called for any connection errors.
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virtual bool start(int port,
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const OnConnect& callback,
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const OnError& onError = ignoreErrors) = 0;
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// stop() stops listening for connections.
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// stop() is implicitly called on destruction.
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virtual void stop() = 0;
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};
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} // namespace net
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} // namespace dap
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#endif // dap_network_h
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