X-Git-Url: http://git.dolda2000.com/gitweb/?a=blobdiff_plain;f=python%2Fashd-wsgi3;fp=python%2Fashd-wsgi3;h=0000000000000000000000000000000000000000;hb=173e0e9efec5ae690cc157fe238113fcd814895e;hp=636111144c5c15ad3ad87e78a3b9bf932c19f7df;hpb=188cd02daf85ef68a832deab4fcbf0daaf2d4573;p=ashd.git diff --git a/python/ashd-wsgi3 b/python/ashd-wsgi3 deleted file mode 100755 index 6361111..0000000 --- a/python/ashd-wsgi3 +++ /dev/null @@ -1,225 +0,0 @@ -#!/usr/bin/python3 - -import sys, os, getopt, threading, time, locale, collections -import ashd.proto, ashd.util - -def usage(out): - out.write("usage: ashd-wsgi [-hA] [-p MODPATH] [-l REQLIMIT] HANDLER-MODULE [ARGS...]\n") - -reqlimit = 0 -modwsgi_compat = False -opts, args = getopt.getopt(sys.argv[1:], "+hAp:l:") -for o, a in opts: - if o == "-h": - usage(sys.stdout) - sys.exit(0) - elif o == "-p": - sys.path.insert(0, a) - elif o == "-A": - modwsgi_compat = True - elif o == "-l": - reqlimit = int(a) -if len(args) < 1: - usage(sys.stderr) - sys.exit(1) - -try: - handlermod = __import__(args[0], fromlist = ["dummy"]) -except ImportError as exc: - sys.stderr.write("ashd-wsgi: handler %s not found: %s\n" % (args[0], exc.args[0])) - sys.exit(1) -if not modwsgi_compat: - if not hasattr(handlermod, "wmain"): - sys.stderr.write("ashd-wsgi: handler %s has no `wmain' function\n" % args[0]) - sys.exit(1) - handler = handlermod.wmain(*args[1:]) -else: - if not hasattr(handlermod, "application"): - sys.stderr.write("ashd-wsgi: handler %s has no `application' object\n" % args[0]) - sys.exit(1) - handler = handlermod.application - -class closed(IOError): - def __init__(self): - super().__init__("The client has closed the connection.") - -cwd = os.getcwd() -def absolutify(path): - if path[0] != '/': - return os.path.join(cwd, path) - return path - -def unquoteurl(url): - buf = bytearray() - i = 0 - while i < len(url): - c = url[i] - i += 1 - if c == ord(b'%'): - if len(url) >= i + 2: - c = 0 - if ord(b'0') <= url[i] <= ord(b'9'): - c |= (url[i] - ord(b'0')) << 4 - elif ord(b'a') <= url[i] <= ord(b'f'): - c |= (url[i] - ord(b'a') + 10) << 4 - elif ord(b'A') <= url[i] <= ord(b'F'): - c |= (url[i] - ord(b'A') + 10) << 4 - else: - raise ValueError("Illegal URL escape character") - if ord(b'0') <= url[i + 1] <= ord(b'9'): - c |= url[i + 1] - ord('0') - elif ord(b'a') <= url[i + 1] <= ord(b'f'): - c |= url[i + 1] - ord(b'a') + 10 - elif ord(b'A') <= url[i + 1] <= ord(b'F'): - c |= url[i + 1] - ord(b'A') + 10 - else: - raise ValueError("Illegal URL escape character") - buf.append(c) - i += 2 - else: - raise ValueError("Incomplete URL escape character") - else: - buf.append(c) - return buf - -def dowsgi(req): - env = {} - env["wsgi.version"] = 1, 0 - for key, val in req.headers: - env["HTTP_" + key.upper().replace(b"-", b"_").decode("latin-1")] = val.decode("latin-1") - env["SERVER_SOFTWARE"] = "ashd-wsgi/1" - env["GATEWAY_INTERFACE"] = "CGI/1.1" - env["SERVER_PROTOCOL"] = req.ver.decode("latin-1") - env["REQUEST_METHOD"] = req.method.decode("latin-1") - try: - rawpi = unquoteurl(req.rest) - except: - rawpi = req.rest - try: - name, rest, pi = (v.decode("utf-8") for v in (req.url, req.rest, rawpi)) - env["wsgi.uri_encoding"] = "utf-8" - except UnicodeError as exc: - name, rest, pi = (v.decode("latin-1") for v in (req.url, req.rest, rawpi)) - env["wsgi.uri_encoding"] = "latin-1" - env["REQUEST_URI"] = name - p = name.find('?') - if p >= 0: - env["QUERY_STRING"] = name[p + 1:] - name = name[:p] - else: - env["QUERY_STRING"] = "" - if name[-len(rest):] == rest: - # This is the same hack used in call*cgi. - name = name[:-len(rest)] - if name == "/": - # This seems to be normal CGI behavior, but see callcgi.c for - # details. - pi = "/" + pi - name = "" - env["SCRIPT_NAME"] = name - env["PATH_INFO"] = pi - for src, tgt in [("HTTP_HOST", "SERVER_NAME"), ("HTTP_X_ASH_SERVER_PORT", "SERVER_PORT"), - ("HTTP_X_ASH_ADDRESS", "REMOTE_ADDR"), ("HTTP_CONTENT_TYPE", "CONTENT_TYPE"), - ("HTTP_CONTENT_LENGTH", "CONTENT_LENGTH"), ("HTTP_X_ASH_PROTOCOL", "wsgi.url_scheme")]: - if src in env: env[tgt] = env[src] - if "X-Ash-Protocol" in req and req["X-Ash-Protocol"] == b"https": env["HTTPS"] = "on" - if "X-Ash-File" in req: env["SCRIPT_FILENAME"] = absolutify(req["X-Ash-File"].decode(locale.getpreferredencoding())) - env["wsgi.input"] = req.sk - env["wsgi.errors"] = sys.stderr - env["wsgi.multithread"] = True - env["wsgi.multiprocess"] = False - env["wsgi.run_once"] = False - - resp = [] - respsent = [] - - def recode(thing): - if isinstance(thing, collections.ByteString): - return thing - else: - return str(thing).encode("latin-1") - - def flushreq(): - if not respsent: - if not resp: - raise Exception("Trying to write data before starting response.") - status, headers = resp - respsent[:] = [True] - buf = bytearray() - buf += b"HTTP/1.1 " + recode(status) + b"\n" - for nm, val in headers: - buf += recode(nm) + b": " + recode(val) + b"\n" - buf += b"\n" - try: - req.sk.write(buf) - except IOError: - raise closed() - - def write(data): - if not data: - return - flushreq() - try: - req.sk.write(data) - req.sk.flush() - except IOError: - raise closed() - - def startreq(status, headers, exc_info = None): - if resp: - if exc_info: # Interesting, this... - try: - if respsent: - raise exc_info[1] - finally: - exc_info = None # CPython GC bug? - else: - raise Exception("Can only start responding once.") - resp[:] = status, headers - return write - - respiter = handler(env, startreq) - try: - try: - for data in respiter: - write(data) - if resp: - flushreq() - except closed: - pass - finally: - if hasattr(respiter, "close"): - respiter.close() - -flightlock = threading.Condition() -inflight = 0 - -class reqthread(threading.Thread): - def __init__(self, req): - super().__init__(name = "Request handler") - self.req = req.dup() - - def run(self): - global inflight - try: - with flightlock: - if reqlimit != 0: - start = time.time() - while inflight >= reqlimit: - flightlock.wait(10) - if time.time() - start > 10: - os.abort() - inflight += 1 - try: - dowsgi(self.req) - finally: - with flightlock: - inflight -= 1 - flightlock.notify() - finally: - self.req.close() - -def handle(req): - reqthread(req).start() - -ashd.util.serveloop(handle)