private void HandleClientCommand(string[] args)
{
if (args.Length != 1 + 3)
{
this.Form.Error("Client: wrong number of arguments");
goto ClientUsage;
}
string username = args[1];
string url = args[2];
string scriptFile = args[3];
if (Clients.ContainsKey(username))
{
this.Form.Error($"Client: client {username} already exists");
return;
}
if (!url.StartsWith("http://"))
{
goto InvalidURL;
}
string[] urlElements = url.Replace("http://", "").Split(":", StringSplitOptions.RemoveEmptyEntries);
if (urlElements.Length != 2)
{
this.Form.Error(urlElements.ToString());
goto InvalidURL;
}
string host = urlElements[0];
if (!int.TryParse(urlElements[1], out int port))
{
goto InvalidPort;
}
if (port < 1024 || 65535 < port)
{
goto InvalidPort;
}
PCSGrpcService.PCSGrpcServiceClient grpcClient;
if (PCSClients.ContainsKey(host))
{
grpcClient = PCSClients[host];
}
else
{
try
{
string address = "http://" + host + ":" + PCS_PORT;
GrpcChannel channel = GrpcChannel.ForAddress(address);
grpcClient = new PCSGrpcService.PCSGrpcServiceClient(channel);
}
catch (Exception)
{
this.Form.Error("Client: unable to connect to PCS");
return;
}
}
grpcClient.Ping(new PCSPingRequest());
int clientId;
lock (ClientCountLock)
{
clientId = ++ClientCount;
}
try {
if (grpcClient.LaunchClient(new LaunchClientRequest {
ScriptFile = scriptFile, Port = port, Id = clientId
}).Ok)
{
this.Form.Log("Client: successfully launched client at " + host);
}
else
{
this.Form.Error("Client: failed launching client");
}
}
catch (Exception)
{
this.Form.Error("Client: failed sending request to PCS");
}
// register client
GrpcChannel clientChannel = GrpcChannel.ForAddress(url);
var clientGrpc = new PuppetMasterClientGrpcService.PuppetMasterClientGrpcServiceClient(clientChannel);
ClientInfo client = new ClientInfo(username, url, clientGrpc);
Clients[username] = client;
client.Init();
return;
InvalidPort:
this.Form.Error("Client: Invalid port number");
goto ClientUsage;
InvalidURL:
this.Form.Error("Client: Invalid URL");
ClientUsage:
this.Form.Error("Client usage: Client username client_URL script_file");
}
public ClientInfo(string username, string url, PuppetMasterClientGrpcService.PuppetMasterClientGrpcServiceClient grpc)
{
Username = username;
Url = url;
Grpc = grpc;
}
