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Diffstat (limited to 'indra/llmessage/tests/test_llsdmessage_peer.py')
-rw-r--r-- | indra/llmessage/tests/test_llsdmessage_peer.py | 130 |
1 files changed, 130 insertions, 0 deletions
diff --git a/indra/llmessage/tests/test_llsdmessage_peer.py b/indra/llmessage/tests/test_llsdmessage_peer.py new file mode 100644 index 0000000000..e62f20912b --- /dev/null +++ b/indra/llmessage/tests/test_llsdmessage_peer.py @@ -0,0 +1,130 @@ +#!/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 + +def debug(*args): + sys.stdout.writelines(args) + sys.stdout.flush() +# comment out the line below to enable debug output +debug = lambda *args: None + +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() + +def main(*args): + # Start HTTP server thread. Note that this and all other comm server + # threads should be daemon threads: we'll let them run "forever," + # confident that the whole process will terminate when the main thread + # terminates, which will be when the test executable child process + # terminates. + httpThread = TestHTTPServer(name="httpd") + httpThread.setDaemon(True) + httpThread.start() + # choice of os.spawnv(): + # - [v vs. l] pass a list of args vs. individual arguments, + # - [no p] don't use the PATH because we specifically want to invoke the + # executable passed as our first arg, + # - [no e] child should inherit this process's environment. + debug("Running %s...\n" % (" ".join(args))) + sys.stdout.flush() + rc = os.spawnv(os.P_WAIT, args[0], args) + debug("%s returned %s\n" % (args[0], rc)) + return rc + +if __name__ == "__main__": + sys.exit(main(*sys.argv[1:])) |