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[cdc_rsync] Use any available server port (#94)

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Instead of calling netstat on the remote device to detect available
ports, simply call bind with port 0 to bind to any available port.
Since the port is not yet known when cdc_rsync_server.exe is called,
port forwarding needs to be started AFTER the server reports its port.
This commit is contained in:
Lutz Justen
2023-03-06 14:16:21 +01:00
committed by GitHub
parent 5fd86e4625
commit a8059e8572
10 changed files with 137 additions and 131 deletions
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cdc_rsync_server/main.cc
+10 -17
View File
@@ -62,29 +62,22 @@ ServerExitCode GetExitCode(const absl::Status& status) {
int main(int argc, const char** argv) {
if (argc < 5) {
printf("cdc_rsync_server - Remote component of cdc_rsync. Version: %s\n\n",
BUILD_VERSION);
printf(
"Usage: cdc_rsync_server <port> <build_version> cdc_rsync_server "
"<size> <time> \n");
printf(" where <size> is the file size, <time> is the modified\n");
printf(
" timestamp (Unix epoch) and <build_version> is the build "
"version of the server.\n");
return cdc_ft::kServerExitCodeGenericStartup;
}
printf(R"("cdc_rsync_server - Remote component of cdc_rsync. Version: %s
Usage: cdc_rsync_server <build_version> cdc_rsync_server <size> <modified_time>
<build_version> build version embedded in the component
<size> file size of the component
<modified_time> timestamp (Unix epoch) of the component)",
BUILD_VERSION);
int port = atoi(argv[1]);
if (port == 0) {
SendErrorMessage(absl::StrFormat("Invalid port '%s'", argv[1]).c_str());
return cdc_ft::kServerExitCodeGenericStartup;
}
// The rest is expected to be sets of gamelet component info consisting of
// (filename, filesize, modified_time). This is used check whether the
// (version, filename, size, modified_time). This is used check whether the
// components are up-to-date.
std::vector<cdc_ft::GameletComponent> components =
cdc_ft::GameletComponent::FromCommandLineArgs(argc - 2, argv + 2);
cdc_ft::GameletComponent::FromCommandLineArgs(argc - 1, argv + 1);
cdc_ft::Log::Initialize(
std::make_unique<cdc_ft::ConsoleLog>(cdc_ft::LogLevel::kWarning));
@@ -94,7 +87,7 @@ int main(int argc, const char** argv) {
return cdc_ft::kServerExitCodeOutOfDate;
}
absl::Status status = server.Run(port);
absl::Status status = server.Run();
if (status.ok()) {
return 0;
}