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#!/usr/bin/python
"""\
@file test_llsdmessage_peer.py
@author Nat Goodspeed
@date 2008-10-09
@brief This script asynchronously runs the executable (with args) specified on
the command line, returning its result code. While that executable is
running, we provide dummy local services for use by C++ tests.
$LicenseInfo:firstyear=2008&license=viewergpl$
Copyright (c) 2008, Linden Research, Inc.
$/LicenseInfo$
"""
import os
import sys
from threading import Thread
from BaseHTTPServer import HTTPServer, BaseHTTPRequestHandler
mydir = os.path.dirname(__file__) # expected to be .../indra/llmessage/tests/
sys.path.insert(0, os.path.join(mydir, os.pardir, os.pardir, "lib", "python"))
from indra.util.fastest_elementtree import parse as xml_parse
from indra.base import llsd
from testrunner import run, debug
class TestHTTPRequestHandler(BaseHTTPRequestHandler):
"""This subclass of BaseHTTPRequestHandler is to receive and echo
LLSD-flavored messages sent by the C++ LLHTTPClient.
"""
def read(self):
# The following logic is adapted from the library module
# SimpleXMLRPCServer.py.
# Get arguments by reading body of request.
# We read this in chunks to avoid straining
# socket.read(); around the 10 or 15Mb mark, some platforms
# begin to have problems (bug #792570).
try:
size_remaining = int(self.headers["content-length"])
except (KeyError, ValueError):
return ""
max_chunk_size = 10*1024*1024
L = []
while size_remaining:
chunk_size = min(size_remaining, max_chunk_size)
chunk = self.rfile.read(chunk_size)
L.append(chunk)
size_remaining -= len(chunk)
return ''.join(L)
# end of swiped read() logic
def read_xml(self):
# This approach reads the entire POST data into memory first
return llsd.parse(self.read())
## # This approach attempts to stream in the LLSD XML from self.rfile,
## # assuming that the underlying XML parser reads its input file
## # incrementally. Unfortunately I haven't been able to make it work.
## tree = xml_parse(self.rfile)
## debug("Finished raw parse\n")
## debug("parsed XML tree %s\n" % tree)
## debug("parsed root node %s\n" % tree.getroot())
## debug("root node tag %s\n" % tree.getroot().tag)
## return llsd.to_python(tree.getroot())
def do_GET(self):
# Of course, don't attempt to read data.
self.answer(dict(reply="success", status=500,
reason="Your GET operation requested failure"))
def do_POST(self):
# Read the provided POST data.
self.answer(self.read_xml())
def answer(self, data):
if "fail" not in self.path:
response = llsd.format_xml(data.get("reply", llsd.LLSD("success")))
self.send_response(200)
self.send_header("Content-type", "application/llsd+xml")
self.send_header("Content-Length", str(len(response)))
self.end_headers()
self.wfile.write(response)
else: # fail requested
status = data.get("status", 500)
reason = data.get("reason",
self.responses.get(status,
("fail requested",
"Your request specified failure status %s "
"without providing a reason" % status))[1])
self.send_error(status, reason)
def log_request(self, code, size=None):
# For present purposes, we don't want the request splattered onto
# stderr, as it would upset devs watching the test run
pass
def log_error(self, format, *args):
# Suppress error output as well
pass
class TestHTTPServer(Thread):
def run(self):
httpd = HTTPServer(('127.0.0.1', 8000), TestHTTPRequestHandler)
debug("Starting HTTP server...\n")
httpd.serve_forever()
if __name__ == "__main__":
sys.exit(run(server=TestHTTPServer(name="httpd"), *sys.argv[1:]))
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