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[cdc_stream] Automatically start service (#28)

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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.
This commit is contained in:
Lutz Justen
2022-12-02 14:34:36 +01:00
committed by GitHub
parent 6d63aa72d7
commit 1120dcbee0
21 changed files with 372 additions and 76 deletions
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2
common/port_manager_win.cc
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@@ -213,6 +213,7 @@ absl::StatusOr<std::unordered_set<int>> PortManager::FindAvailableLocalPorts(
ProcessStartInfo start_info;
start_info.command = "netstat -a -n -p tcp";
start_info.name = "netstat";
start_info.flags = ProcessFlags::kNoWindow;
std::string output;
start_info.stdout_handler = [&output](const char* data, size_t data_size) {
@@ -246,6 +247,7 @@ absl::StatusOr<std::unordered_set<int>> PortManager::FindAvailableRemotePorts(
ProcessStartInfo start_info =
remote_util->BuildProcessStartInfoForSsh(remote_command);
start_info.name = "netstat";
start_info.flags = ProcessFlags::kNoWindow;
std::string output;
start_info.stdout_handler = [&output](const char* data, size_t data_size) {