change back to web.py since it is much more faster

And finally I found that web.py supports Python 3...

.gitignore

@@ -39,3 +39,141 @@ gps-sdr-sim-lut
 # Temporary files
 *.swp
 *~
+# Byte-compiled / optimized / DLL files
+__pycache__/
+*.py[cod]
+*$py.class
+
+# C extensions
+*.so
+
+# Distribution / packaging
+.Python
+build/
+develop-eggs/
+dist/
+downloads/
+eggs/
+.eggs/
+lib/
+lib64/
+parts/
+sdist/
+var/
+wheels/
+share/python-wheels/
+*.egg-info/
+.installed.cfg
+*.egg
+MANIFEST
+
+# PyInstaller
+#  Usually these files are written by a python script from a template
+#  before PyInstaller builds the exe, so as to inject date/other infos into it.
+*.manifest
+*.spec
+
+# Installer logs
+pip-log.txt
+pip-delete-this-directory.txt
+
+# Unit test / coverage reports
+htmlcov/
+.tox/
+.nox/
+.coverage
+.coverage.*
+.cache
+nosetests.xml
+coverage.xml
+*.cover
+*.py,cover
+.hypothesis/
+.pytest_cache/
+cover/
+
+# Translations
+*.mo
+*.pot
+
+# Django stuff:
+*.log
+local_settings.py
+db.sqlite3
+db.sqlite3-journal
+
+# Flask stuff:
+instance/
+.webassets-cache
+
+# Scrapy stuff:
+.scrapy
+
+# Sphinx documentation
+docs/_build/
+
+# PyBuilder
+.pybuilder/
+target/
+
+# Jupyter Notebook
+.ipynb_checkpoints
+
+# IPython
+profile_default/
+ipython_config.py
+
+# pyenv
+#   For a library or package, you might want to ignore these files since the code is
+#   intended to run in multiple environments; otherwise, check them in:
+# .python-version
+
+# pipenv
+#   According to pypa/pipenv#598, it is recommended to include Pipfile.lock in version control.
+#   However, in case of collaboration, if having platform-specific dependencies or dependencies
+#   having no cross-platform support, pipenv may install dependencies that don't work, or not
+#   install all needed dependencies.
+#Pipfile.lock
+
+# PEP 582; used by e.g. github.com/David-OConnor/pyflow
+__pypackages__/
+
+# Celery stuff
+celerybeat-schedule
+celerybeat.pid
+
+# SageMath parsed files
+*.sage.py
+
+# Environments
+.env
+.venv
+env/
+venv/
+ENV/
+env.bak/
+venv.bak/
+
+# Spyder project settings
+.spyderproject
+.spyproject
+
+# Rope project settings
+.ropeproject
+
+# mkdocs documentation
+/site
+
+# mypy
+.mypy_cache/
+.dmypy.json
+dmypy.json
+
+# Pyre type checker
+.pyre/
+
+# pytype static type analyzer
+.pytype/
+
+# Cython debug symbols
+cython_debug/

mapserver/mapper.py

@@ -1,62 +1,48 @@
-#!/usr/bin/env python3
-
-import tornado.ioloop
-import tornado.web
-from tornado.web import RequestHandler, StaticFileHandler
+#!/usr/bin/env python
+from __future__ import print_function
 import socket
 import struct
 import time
-import os
-
+import web
 HOST = 'localhost'
 PORT = 5678
+BUFFSIZE = 1024
+ADDR = (HOST, PORT)
 
 sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
 
-
-class IndexHandler(RequestHandler):
-    def get(self):
-        self.redirect('/static/baidumap.html')
+urls = (
+    '/', 'index',
+    '/post', 'post',
+    '/static/*', 'static',
+)
+app = web.application(urls, globals())
 
 
-class PostHandler(RequestHandler):
-    def post(self):
-        self.set_header('Content-Type', 'text/plain')
-        pos = [
-            float(self.get_body_argument(k)) for k in ['lat', 'lon', 'hgt']
-        ]
-        data = struct.pack('ddd', *pos)
-        sock.sendto(data, (HOST, PORT))
-        print(*pos)
-        self.write('OK')
+class index:
+    def GET(self):
+        raise web.seeother('/static/baidumap.html')
 
 
-def make_app():
-    return tornado.web.Application([
-        (r'/', IndexHandler),
-        (r'/post', PostHandler),
-        (r'/static/(.*)', StaticFileHandler, {
-            'path': os.path.dirname(__file__)
-        })
-    ])
+class post:
+    def POST(self):
+        inn = web.input()
+        lon = float(inn.get('lon'))
+        lat = float(inn.get('lat'))
+        h = float(inn.get('hgt'))
+        data = struct.pack('ddd', lat, lon, h)
+        sock.sendto(data, ADDR)
+        print(lon, lat, h)
 
 
-if __name__ == "__main__":
-    from argparse import ArgumentParser
-    argp = ArgumentParser(description='GPS-SDR-SIM realtime map server.')
-    argp.add_argument('port',
-                      type=int,
-                      default=8080,
-                      nargs='?',
-                      help='specify port for map server [default: 8080]')
-    argp.add_argument(
-        '--host',
-        type=str,
-        default='0.0.0.0',
-        help='specify host map server to bind [default: 0.0.0.0]')
-    args = argp.parse_args()
+class static:
+    def GET(self, media, file):
+        try:
+            f = open(media + '/' + file, 'r')
+            return f.read()
+        except:
+            return '404'
 
-    app = make_app()
-    print('Serving at http://{}:{}'.format(args.host, args.port))
-    app.listen(args.port, args.host)
-    tornado.ioloop.IOLoop.current().start()
+
+if __name__ == '__main__':
+    app.run()