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diff --git a/fileserv.py b/fileserv.py
new file mode 100755
index 0000000..8dfd4c3
--- /dev/null
+++ b/fileserv.py
@@ -0,0 +1,162 @@
+#!/usr/bin/env python
+
+import os, sys, shutil, getopt, urllib, BaseHTTPServer, SimpleHTTPServer
+
+maxdownloads = 1
+cpid = -1
+
+class FileServHTTPRequestHandler (BaseHTTPServer.BaseHTTPRequestHandler):
+ server_version = "Simons FileServer"
+ protocol_version = "HTTP/1.0"
+
+ filename = "."
+ location = "/"
+
+ def log_request (self, code='-', size='-'):
+ if code == 200:
+ BaseHTTPServer.BaseHTTPRequestHandler.log_request (self, code, size)
+
+
+ def do_GET (self):
+ global maxdownloads, cpid
+
+ # Redirect any request to the filename of the file to serve.
+ # This hands over the filename to the client.
+
+ if self.path != self.location:
+ txt = """\
+ <html>
+ <head><title>302 Found</title></head>
+ <body>302 Found <a href="%s">here</a>.</body>
+ </html>\n""" % self.location
+ self.send_response (302)
+ self.send_header ("Location", self.location)
+ self.send_header ("Content-type", "text/html")
+ self.send_header ("Content-Length", str (len (txt)))
+ self.end_headers ()
+ self.wfile.write (txt)
+ return
+
+ maxdownloads -= 1
+
+ # let a separate process handle the actual download, so that
+ # multiple downloads can happen simultaneously.
+
+ cpid = os.fork ()
+ if cpid == 0:
+ # Child process
+ f = open (self.filename)
+ size = os.path.getsize (self.filename)
+
+ self.send_response (200)
+ self.send_header ("Content-type", "application/octet-stream")
+ self.send_header ("Content-Length", size)
+ self.end_headers ()
+ shutil.copyfileobj (f, self.wfile)
+ f.close ()
+
+
+
+class ForkingDownloadHTTPRequestHandler (SimpleHTTPServer.SimpleHTTPRequestHandler):
+ def guess_type (self, path):
+ return self.extensions_map['']
+
+ def do_GET (self):
+ global cpid
+
+ cpid = os.fork ()
+ if cpid == 0:
+ # Child process
+ SimpleHTTPServer.SimpleHTTPRequestHandler.do_GET (self)
+
+
+
+def usage (errmsg = None):
+ if errmsg:
+ print >>sys.stderr, errmsg
+ print >>sys.stderr, "Usage:", sys.argv[0], "[-p <port>] [-c <count>] [file]"
+ sys.exit (1)
+
+if __name__=='__main__':
+ port = 8080
+ serve_file = True
+ location = "/"
+
+ try:
+ options, filenames = getopt.getopt (sys.argv[1:], "c:p:")
+ except getopt.GetoptError, desc:
+ usage (desc)
+
+ if len (filenames) == 1:
+ filename = os.path.abspath (filenames[0])
+ location = "/" + urllib.quote (os.path.basename (filename))
+ else:
+ usage ("Can only serve single files/directories.")
+
+ if not os.path.exists (filename):
+ usage ("%s: No such file or directory" % filenames[0])
+
+ if os.path.isfile (filename):
+ serve_file = True
+ elif os.path.isdir (filename):
+ serve_file = False
+ else:
+ usage ("%s: Neither file nor directory" % filenames[0])
+
+ if serve_file:
+ try:
+ # Check for readability
+ os.path.getsize (filename)
+ open (filename).close ()
+ except (OSError, IOError):
+ usage ("%s: Not readable" % filenames[0])
+
+ for option, val in options:
+ if option == '-c':
+ if not serve_file:
+ print >>sys.stderr, "WARNING: Download count ignored for directories."
+ try:
+ maxdownloads = int (val)
+ except ValueError:
+ usage ("invalid download count: %r. Please specify an integer." % val)
+
+ if option == '-p':
+ try:
+ port = int (val)
+ except ValueError:
+ usage ("invalid port number: %r. Please specify an integer" % value)
+ else:
+ usage ("Unknown option: %r" % option)
+
+ # Directories sollten eigentlich als .tar.gz geliefert werden.
+ # tempfile.mkstemp()
+
+ if serve_file:
+ # We have to somehow push the filename of the file to serve to the
+ # class handling the requests. This is an evil way to do this...
+
+ FileServHTTPRequestHandler.filename = filename
+ FileServHTTPRequestHandler.location = location
+
+ httpd = BaseHTTPServer.HTTPServer (('', port),
+ FileServHTTPRequestHandler)
+ while cpid != 0 and maxdownloads > 0:
+ httpd.handle_request ()
+
+ else:
+ httpd = BaseHTTPServer.HTTPServer (('', port),
+ ForkingDownloadHTTPRequestHandler)
+ while cpid != 0:
+ httpd.handle_request ()
+
+
+
+
+ # wait for child processes to terminate
+
+ if cpid != 0:
+ try:
+ while 1:
+ os.wait ()
+ except OSError:
+ pass

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