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https://github.com/nestriness/cdc-file-transfer.git
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1120dcbee0
Starts the streaming service if it's not up and running. This required adding the ability to run a detached process. By default, all child processes are killed when the parent process exits. Since detached child processes don't run with a console, they need to create sub- processes with CREATE_NO_WINDOW since otherwise a new console pops up, e.g. for every ssh command. Polls for 20 seconds while the service starts up. For this purpose, a BackgroundServiceClient is added. This will be reused in a future CL by a new stop-service command to exit the service. Also adds --service-port as additional argument to start-service.
75 lines
2.8 KiB
C++
75 lines
2.8 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 CDC_STREAM_LOCAL_ASSETS_STREAM_MANAGER_CLIENT_H_
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#define CDC_STREAM_LOCAL_ASSETS_STREAM_MANAGER_CLIENT_H_
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#include <memory>
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#include "absl/status/status.h"
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#include "proto/local_assets_stream_manager.grpc.pb.h"
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namespace grpc_impl {
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class Channel;
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}
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namespace cdc_ft {
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// gRpc client for starting/stopping asset streaming sessions.
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class LocalAssetsStreamManagerClient {
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public:
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// |channel| is a grpc channel to use.
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explicit LocalAssetsStreamManagerClient(
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std::shared_ptr<grpc::Channel> channel);
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~LocalAssetsStreamManagerClient();
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// Starts streaming |src_dir| to |user_host|:|mount_dir|.
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// Starting a second session to the same target will stop the first one.
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// |src_dir| is the Windows source directory to stream.
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// |user_host| is the Linux host, formatted as [user@:host].
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// |ssh_port| is the SSH port to use while connecting to the host.
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// |mount_dir| is the Linux target directory to stream to.
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// |ssh_command| is the ssh command and extra arguments to use.
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// |scp_command| is the scp command and extra arguments to use.
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absl::Status StartSession(const std::string& src_dir,
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const std::string& user_host, uint16_t ssh_port,
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const std::string& mount_dir,
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const std::string& ssh_command,
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const std::string& scp_command);
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// Stops the streaming session to the Linux target |user_host|:|mount_dir|.
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// |user_host| is the Linux host, formatted as [user@:host].
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// |mount_dir| is the Linux target directory.
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absl::Status StopSession(const std::string& user_host,
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const std::string& mount_dir);
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// Helper function that splits "user@host:dir" into "user@host" and "dir".
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// Does not think that C: is a host.
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static absl::Status ParseUserHostDir(const std::string& user_host_dir,
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std::string* user_host,
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std::string* dir);
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private:
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using LocalAssetsStreamManager =
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localassetsstreammanager::LocalAssetsStreamManager;
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std::unique_ptr<LocalAssetsStreamManager::Stub> stub_;
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};
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} // namespace cdc_ft
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#endif // CDC_STREAM_LOCAL_ASSETS_STREAM_MANAGER_CLIENT_H_
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