X-Git-Url: http://git.nikiroo.be/?p=fanfix.git;a=blobdiff_plain;f=src%2Fbe%2Fnikiroo%2Futils%2Fmain%2Fbridge.java;fp=src%2Fbe%2Fnikiroo%2Futils%2Fmain%2Fbridge.java;h=1b7ab851e2773a2218345c0240b0814378908137;hp=0000000000000000000000000000000000000000;hb=d46b7b96f94e88a776bcd2dfd756549ffb300cc9;hpb=c9994f27667bc421bcd448d39e55774fddf5c431

diff --git a/src/be/nikiroo/utils/main/bridge.java b/src/be/nikiroo/utils/main/bridge.java
new file mode 100644
index 0000000..1b7ab85
--- /dev/null
+++ b/src/be/nikiroo/utils/main/bridge.java
@@ -0,0 +1,136 @@
+package be.nikiroo.utils.main;
+
+import be.nikiroo.utils.TraceHandler;
+import be.nikiroo.utils.serial.server.ServerBridge;
+
+/**
+ * Serialiser bridge (starts a {@link ServerBridge} and can thus intercept
+ * communication between a client and a server).
+ * 
+ * @author niki
+ */
+public class bridge {
+	/**
+	 * The optional options that can be passed to the program.
+	 * 
+	 * @author niki
+	 */
+	private enum Option {
+		/**
+		 * The encryption key for the input data (optional, but can also be
+		 * empty <b>which is different</b> (it will then use an empty encryption
+		 * key)).
+		 */
+		KEY,
+		/**
+		 * The encryption key for the output data (optional, but can also be
+		 * empty <b>which is different</b> (it will then use an empty encryption
+		 * key)).
+		 */
+		FORWARD_KEY,
+		/** The trace level (1, 2, 3.. default is 1). */
+		TRACE_LEVEL,
+		/**
+		 * The maximum length after which to truncate data to display (the whole
+		 * data will still be sent).
+		 */
+		MAX_DISPLAY_SIZE,
+		/** The help message. */
+		HELP,
+	}
+
+	static private String getSyntax() {
+		return "Syntax: (--options) (--) [NAME] [PORT] [FORWARD_HOST] [FORWARD_PORT]\n"//
+				+ "\tNAME         : the bridge name for display/debug purposes\n"//
+				+ "\tPORT         : the port to listen on\n"//
+				+ "\tFORWARD_HOST : the host to connect to\n"//
+				+ "\tFORWARD_PORT : the port to connect to\n"//
+				+ "\n" //
+				+ "\tOptions: \n" //
+				+ "\t--                 : no more options in the rest of the parameters\n" //
+				+ "\t--help             : this help message\n" //
+				+ "\t--key              : the INCOMING encryption key\n" //
+				+ "\t--forward-key      : the OUTGOING encryption key\n" //
+				+ "\t--trace-level      : the trace level (1, 2, 3... default is 1)\n" //
+				+ "\t--max-display-size : the maximum size after which to \n"//
+				+ "\t        truncate the messages to display (the full message will still be sent)\n" //
+		;
+	}
+
+	/**
+	 * Start a bridge between 2 servers.
+	 * 
+	 * @param args
+	 *            the parameters, which can be seen by passing "--help" or just
+	 *            calling the program without parameters
+	 */
+	public static void main(String[] args) {
+		final TraceHandler tracer = new TraceHandler(true, false, 0);
+		try {
+			if (args.length == 0) {
+				tracer.error(getSyntax());
+				System.exit(0);
+			}
+
+			String key = null;
+			String fkey = null;
+			int traceLevel = 1;
+			int maxPrintSize = 0;
+
+			int i = 0;
+			while (args[i].startsWith("--")) {
+				String arg = args[i];
+				i++;
+
+				if (arg.equals("--")) {
+					break;
+				}
+
+				arg = arg.substring(2).toUpperCase().replace("-", "_");
+				try {
+					Option opt = Enum.valueOf(Option.class, arg);
+					switch (opt) {
+					case HELP:
+						tracer.trace(getSyntax());
+						System.exit(0);
+						break;
+					case FORWARD_KEY:
+						fkey = args[i++];
+						break;
+					case KEY:
+						key = args[i++];
+						break;
+					case MAX_DISPLAY_SIZE:
+						maxPrintSize = Integer.parseInt(args[i++]);
+						break;
+					case TRACE_LEVEL:
+						traceLevel = Integer.parseInt(args[i++]);
+						break;
+					}
+				} catch (Exception e) {
+					tracer.error(getSyntax());
+					System.exit(1);
+				}
+			}
+
+			if ((args.length - i) != 4) {
+				tracer.error(getSyntax());
+				System.exit(2);
+			}
+
+			String name = args[i++];
+			int port = Integer.parseInt(args[i++]);
+			String fhost = args[i++];
+			int fport = Integer.parseInt(args[i++]);
+
+			ServerBridge bridge = new ServerBridge(name, port, key, fhost,
+					fport, fkey);
+			bridge.setTraceHandler(new TraceHandler(true, true, traceLevel,
+					maxPrintSize));
+			bridge.run();
+		} catch (Exception e) {
+			tracer.error(e);
+			System.exit(42);
+		}
+	}
+}