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Add SSL & Connect timings

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This commit is contained in:
Shadab Zafar 2016-08-09 11:05:16 +05:30
parent 23b9ef799e
commit b14eb57db1
1 changed files with 22 additions and 6 deletions
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28
examples/har_dump.py
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@ -17,6 +17,10 @@ from netlib.http import cookies
HAR = {}
# A list of server seen till now is maintained so we can avoid
# using 'connect' time for entries that use an existing connection.
SERVERS_SEEN = set()
def start():
"""
@ -46,21 +50,33 @@ def response(flow):
"""
Called when a server response has been received.
"""
# TODO: SSL and Connect Timings
# Calculate raw timings from timestamps.
# -1 indicates that these values do not apply to current request
ssl_time = -1
connect_time = -1
# DNS timings can not be calculated for lack of a way to measure it.
# The same goes for HAR blocked.
if flow.server_conn and flow.server_conn not in SERVERS_SEEN:
connect_time = (flow.server_conn.timestamp_tcp_setup -
flow.server_conn.timestamp_start)
if flow.server_conn.timestamp_ssl_setup is not None:
ssl_time = (flow.server_conn.timestamp_ssl_setup -
flow.server_conn.timestamp_tcp_setup)
SERVERS_SEEN.add(flow.server_conn)
# Calculate raw timings from timestamps. DNS timings can not be calculated
# for lack of a way to measure it. The same goes for HAR blocked.
# mitmproxy will open a server connection as soon as it receives the host
# and port from the client connection. So, the time spent waiting is actually
# spent waiting between request.timestamp_end and response.timestamp_start thus it
# correlates to HAR wait instead.
# spent waiting between request.timestamp_end and response.timestamp_start
# thus it correlates to HAR wait instead.
timings_raw = {
'send': flow.request.timestamp_end - flow.request.timestamp_start,
'receive': flow.response.timestamp_end - flow.response.timestamp_start,
'wait': flow.response.timestamp_start - flow.request.timestamp_end,
'connect': connect_time,
'ssl': ssl_time,
}
# HAR timings are integers in ms, so we re-encode the raw timings to that format.