クライアント側に単純な文字列を送信したいだけですが、そうしていません。out.println ステートメントをスキップして、残りのプログラムを適切に実行します。out.println は、サーバー側からクライアントに送信するための間違ったステートメントですか?
このコードを使用して「こんにちは」を送信したいだけです。
out.println("hello");
サーバー側のプログラム
public class TcpServerCompareCSV {
public static void main(String[] args) throws IOException{
Scanner console = new Scanner(System.in);
System.out.println("Type in CSV file location: ");
//String csvName = console.nextLine();
String csvName = "C:\\Users\\Downloads\\orders.csv";
ServerSocket serverSocket = null;
try {
serverSocket = new ServerSocket(57634);
}
catch (IOException e)
{
System.err.println("Could not listen on port: 57635.");
System.exit(1);
}
Socket clientSocket = null;
System.out.println ("Waiting for connection.....");
try {
clientSocket = serverSocket.accept();
}
catch (IOException e)
{
System.err.println("Accept failed.");
System.exit(1);
}
System.out.println ("Connection successful");
System.out.println ("Waiting for input.....");
PrintWriter out = new PrintWriter(clientSocket.getOutputStream(),
true);
BufferedReader in = new BufferedReader(
new InputStreamReader( clientSocket.getInputStream()));
String inputLine;
Boolean comp;
while ((inputLine = in.readLine()) != null)
{
***out.println("hello");***
if (inputLine.trim().equals("Bye.")) {
System.out.println("Exit program");
break;
}
Scanner input1 = new Scanner(new File(csvName));
Scanner input2 = new Scanner(new File(csvName));
Scanner input3 = new Scanner(new File(csvName));
Scanner input4 = new Scanner(new File(csvName));
System.out.println ("Server: " + inputLine);
String csvline = getCsvLineVal (getLocation34CSV(getTag34Value(Tag34Location(getTagCSV( parseFixMsg(inputLine ,inputLine))), getValueCSV( parseFixMsg(inputLine ,inputLine))), getVal34(input1, input2)), getCSVLine( input3, input4) );
comp = compareClientFixCSV( getTagCSV( parseFixMsg(inputLine ,inputLine)), getValueCSV(parseFixMsg(inputLine ,inputLine)), getCSVTag(csvline), getCSVValue(csvline));
if(comp)
out.println(noError);
else
out.println(Error);
input1.close();
input2.close();
input3.close();
input4.close();
}
out.close();
in.close();
clientSocket.close();
serverSocket.close();
}
クライアント側のプログラム
public class TcpClient {
public static void main(String[] args) throws IOException {
String serverHostname = new String ("WA12345"); //127.0.0.1
if (args.length > 0)
serverHostname = args[0];
System.out.println ("Attemping to connect to host " +
serverHostname + " on port 57634.");
Socket echoSocket = null;
PrintWriter out = null;
BufferedReader in = null;
try {
// echoSocket = new Socket("taranis", 7);
echoSocket = new Socket(serverHostname, 57634);
out = new PrintWriter(echoSocket.getOutputStream(), true);
in = new BufferedReader(new InputStreamReader(
echoSocket.getInputStream()));
} catch (UnknownHostException e) {
System.err.println("Don't know about host: " + serverHostname);
System.exit(1);
} catch (IOException e) {
System.err.println("Couldn't get I/O for "
+ "the connection to: " + serverHostname);
System.exit(1);
}
BufferedReader stdIn = new BufferedReader(new InputStreamReader(System.in));
String userInput;
System.out.print ("input: ");
while ((userInput = stdIn.readLine()) != null) {
out.println(userInput);
if (userInput.equals("Bye.")){
System.out.println("Exit program");
break;
}
getValueLog(parseFixMsg(userInput,userInput));
System.out.print ("input: ");
}
out.close();
in.close();
stdIn.close();
echoSocket.close();
}