mirror of
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110 lines
2.8 KiB
Python
110 lines
2.8 KiB
Python
import itertools
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import time
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import pyparsing as pp
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from . import http, http2, websockets, writer, exceptions
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from exceptions import *
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from base import Settings
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assert Settings # prevent pyflakes from messing with this
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def expand(msg):
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times = getattr(msg, "times", None)
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if times:
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for j in xrange(int(times.value)):
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yield msg.strike_token("times")
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else:
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yield msg
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def parse_pathod(s):
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"""
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May raise ParseException
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"""
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try:
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s = s.decode("ascii")
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except UnicodeError:
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raise exceptions.ParseException("Spec must be valid ASCII.", 0, 0)
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try:
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reqs = pp.Or(
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[
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websockets.WebsocketFrame.expr(),
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http.Response.expr(),
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]
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).parseString(s, parseAll=True)
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except pp.ParseException as v:
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raise exceptions.ParseException(v.msg, v.line, v.col)
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return itertools.chain(*[expand(i) for i in reqs])
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def parse_pathoc(s, use_http2=False):
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try:
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s = s.decode("ascii")
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except UnicodeError:
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raise exceptions.ParseException("Spec must be valid ASCII.", 0, 0)
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try:
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if use_http2:
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expressions = [
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# http2.Frame.expr(),
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http2.Request.expr(),
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]
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else:
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expressions = [
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websockets.WebsocketClientFrame.expr(),
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http.Request.expr(),
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]
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reqs = pp.OneOrMore(pp.Or(expressions)).parseString(s, parseAll=True)
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except pp.ParseException as v:
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raise exceptions.ParseException(v.msg, v.line, v.col)
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return itertools.chain(*[expand(i) for i in reqs])
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def parse_websocket_frame(s):
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"""
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May raise ParseException
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"""
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try:
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reqs = pp.OneOrMore(
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websockets.WebsocketFrame.expr()
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).parseString(
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s,
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parseAll = True
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)
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except pp.ParseException as v:
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raise exceptions.ParseException(v.msg, v.line, v.col)
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return itertools.chain(*[expand(i) for i in reqs])
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def serve(msg, fp, settings):
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"""
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fp: The file pointer to write to.
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request_host: If this a request, this is the connecting host. If
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None, we assume it's a response. Used to decide what standard
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modifications to make if raw is not set.
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Calling this function may modify the object.
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"""
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msg = msg.resolve(settings)
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started = time.time()
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vals = msg.values(settings)
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vals.reverse()
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actions = sorted(msg.actions[:])
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actions.reverse()
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actions = [i.intermediate(settings) for i in actions]
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disconnect = writer.write_values(fp, vals, actions[:])
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duration = time.time() - started
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ret = dict(
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disconnect = disconnect,
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started = started,
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duration = duration,
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)
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ret.update(msg.log(settings))
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return ret
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