mirror of
https://github.com/nestriness/cdc-file-transfer.git
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09cee120b2
There are no real changes, just moving files around. Sockets will be used in the future to find available ports in cdc_stream. Therefore, they need to be in common.
69 lines
2.1 KiB
C++
69 lines
2.1 KiB
C++
/*
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* Copyright 2022 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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* http://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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*/
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#ifndef COMMON_SERVER_SOCKET_H_
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#define COMMON_SERVER_SOCKET_H_
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#include "absl/status/status.h"
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#include "absl/status/statusor.h"
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#include "common/socket.h"
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struct addrinfo;
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namespace cdc_ft {
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class ServerSocket : public Socket {
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public:
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ServerSocket();
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~ServerSocket();
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// Starts listening for connections on |port|.
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// Passing 0 as port will bind to any available port.
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// Returns the port that was bound to.
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absl::StatusOr<int> StartListening(int port);
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// Stops listening for connections. No-op if already stopped/never started.
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void StopListening();
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// Waits for a client to connect. Only supports one connection. Repeating
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// the call with an existing connection results in an error.
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absl::Status WaitForConnection();
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// Disconnects the client. No-op if not connected.
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void Disconnect();
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// Shuts down the sending end of the socket. This will interrupt any receive
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// calls on the client and shut it down.
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absl::Status ShutdownSendingEnd();
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// Socket:
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absl::Status Send(const void* buffer, size_t size) override;
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absl::Status Receive(void* buffer, size_t size, bool allow_partial_read,
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size_t* bytes_received) override;
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private:
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// Called by StartListening() for a specific IPV4 or IPV6 |addr_info|.
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// Passing 0 as port will bind to any available port.
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// Returns the port that was bound to.
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absl::StatusOr<int> StartListeningInternal(int port, addrinfo* addr);
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std::unique_ptr<struct ServerSocketInfo> socket_info_;
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};
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} // namespace cdc_ft
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#endif // CDC_RSYNC_SERVER_SERVER_SOCKET_H_
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