beginning of branch i2p.i2p.i2p

2024-12-06 19:27:00 +01:00 · 2004-04-08 04:41:54 +00:00
commit 77bd69c5e5
292 changed files with 41035 additions and 0 deletions
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+/*
+ * $Id $
+ * Copyright (c) 2003 mihi
+ * Licensed under the GNU Public License (GPL) as published by the
+ * Free Software Foundation, using version 2 or later of the GPL.  You
+ * should have recieved the GPL with this source code, otherwise see
+ * http://www.fsf.org/copyleft/
+ */
+
+import java.io.*;
+import java.net.*;
+
+public class FetchSeeds {
+
+    /**
+     * Fetch seednodes.
+     * 
+     * @param destination the dir to store the seednodes to
+     * @param sourceURL the URL to fetch the seednode from - must end
+     * with a slash
+     * @return whether new seed nodes could be fetched
+     */
+    public static boolean fetchSeeds(File destination, String sourceURL) {
+	InputStream in = null;
+	try {
+	    URL source = new URL(sourceURL);
+	    URLConnection con = source.openConnection();
+	    in = con.getInputStream();
+	    BufferedReader br = new BufferedReader
+		(new InputStreamReader(in)); 
+	    String line;
+	    while ((line = br.readLine())!= null) {
+		int pos = line.indexOf(" <a href=\"routerInfo-");
+		if (pos == -1) continue;
+		line=line.substring(pos+10);
+		pos=line.indexOf("\"");
+		if (pos == -1) continue;
+		line=line.substring(0,pos);
+		fetchFile(new File(destination, line), sourceURL+line);
+		System.out.println(line);	
+	    }
+	    br.close();
+	    return true;
+	} catch (IOException ex) {
+	    System.err.println("Unable to fetch seeds from " + sourceURL + ": " + ex.getMessage());
+	    //ex.printStackTrace();
+	    return false;
+	} finally {
+	    if (in != null) try { in.close(); } catch (IOException ioe) {}
+	}
+    }
+
+    public static void fetchFile(File destFile, String fileURL)
+	throws IOException {
+	URL url = new URL(fileURL);
+	InputStream in = url.openStream();
+	OutputStream out = new FileOutputStream(destFile);
+	byte[] buf = new byte[1024];
+	int len;
+	while ((len=in.read(buf)) != -1) {
+	    out.write(buf,0,len);
+	}
+	in.close();
+	out.flush();
+	out.close();
+    }
+
+    /**
+     * test main method.
+     */
+    public static void  main(String[] args) {
+	switch (args.length) {
+	    case 1:
+		fetchSeeds(new File(args[0]), "http://i2p.dnsalias.net/i2pdb/");
+		return;
+	    case 2:
+		fetchSeeds(new File(args[0]), args[1]);
+		return;
+	    default: 
+		System.out.println("Usage: FetchSeeds <outDir>");
+		System.out.println("    or FetchSeeds <outDir> <seedURL>");
+		System.out.println("The default seedURL is http://i2p.dnsalias.net/i2pdb/");
+		return;
+	}
+    }
+}