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https://github.com/nestriness/cdc-file-transfer.git
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4326e972ac
The tools allow efficient and fast synchronization of large directory trees from a Windows workstation to a Linux target machine. cdc_rsync* support efficient copy of files by using content-defined chunking (CDC) to identify chunks within files that can be reused. asset_stream_manager + cdc_fuse_fs support efficient streaming of a local directory to a remote virtual file system based on FUSE. It also employs CDC to identify and reuse unchanged data chunks.
79 lines
2.7 KiB
C++
79 lines
2.7 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_STUB_PROCESS_H_
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#define COMMON_STUB_PROCESS_H_
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#include <vector>
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#include "absl/status/status.h"
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#include "common/process.h"
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namespace cdc_ft {
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// A stub process returns prefabricated stdout, stderr and exit codes to
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// predetermined commands.
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class StubProcessFactory : public ProcessFactory {
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public:
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using ProcessHandlerFn = std::function<void(
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std::string* std_out, std::string* std_err, uint32_t* exit_code)>;
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virtual StubProcessFactory::~StubProcessFactory();
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// ProcessFactory:
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std::unique_ptr<Process> Create(const ProcessStartInfo& start_info) override;
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// Sets up a stub process that is returned by a call to Create() if the
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// command contains |command_part|. The stub process exits on RunUntil(),
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// writes the given |std_out| and |std_err| to the output stream and exits
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// with |exit_code|.
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void SetProcessOutput(std::string command_part, std::string std_out,
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std::string std_err, uint32_t exit_code);
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// Sets up a stub process that is returned by a call to Create() if the
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// command contains |command_part|. The process never exits. Useful for
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// testing timeout conditions.
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void SetProcessNeverExits(std::string command_part);
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// Sets up a stub process that is returned by a call to Create() if the
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// command contains |command_part|. The stub process is immediately in an
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// exited state with code |exit_code| and does not write stdout or stderr.
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void SetProcessExitsImmediately(std::string command_part, uint32_t exit_code);
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// Sets up a stub process that is returned by a call to Create() if the
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// command contains |command_part|. The stub process calls |handler| on
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// RunUntil(), writes returned |std_out| and |std_err| to the output stream
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// and exits with |exit_code|.
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void SetProcessHandler(std::string command_part, ProcessHandlerFn handler);
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private:
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struct ProcessInfo {
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std::string command_part;
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std::string std_out;
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std::string std_err;
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uint32_t exit_code;
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bool has_exited;
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bool never_exits;
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ProcessHandlerFn handler;
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};
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std::vector<ProcessInfo> process_info_;
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};
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} // namespace cdc_ft
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#endif // COMMON_STUB_PROCESS_H_
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