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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.
60 lines
1.9 KiB
C++
60 lines
1.9 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_SOCKET_H_
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#define COMMON_SOCKET_H_
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#include "absl/status/status.h"
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namespace cdc_ft {
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class Socket {
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public:
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Socket() = default;
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virtual ~Socket() = default;
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// Calls WSAStartup() on Windows, no-op on Linux.
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// Must be called before using sockets.
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static absl::Status Initialize();
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// Calls WSACleanup() on Windows, no-op on Linux.
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// Must be called after using sockets.
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static absl::Status Shutdown();
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// Send data to the socket.
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virtual absl::Status Send(const void* buffer, size_t size) = 0;
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// Receives data from the socket. Blocks until data is available or the
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// sending end of the socket gets shut down by the sender.
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// If |allow_partial_read| is false, blocks until |size| bytes are available.
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// If |allow_partial_read| is true, may return with success if less than
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// |size| (but more than 0) bytes were received.
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// The number of bytes written to |buffer| is returned in |bytes_received|.
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virtual absl::Status Receive(void* buffer, size_t size,
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bool allow_partial_read,
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size_t* bytes_received) = 0;
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};
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// Convenience class that calls Shutdown() on destruction. Logs on errors.
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class SocketFinalizer {
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public:
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~SocketFinalizer();
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};
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} // namespace cdc_ft
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#endif // COMMON_SOCKET_H_
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