commit 93b9651b16f18dc9dd8247ae741bc84c797ddeb8 Author: Sathyanarayanan Gunasekaran gsathya.ceg@gmail.com Date: Thu Sep 27 13:39:00 2012 +0530

Add get_timestamp()

get_timestamp() queries the database for the latest know published relay consensus and bridge network status document and returns a tuple containing these 2 values. --- pyonionoo/database.py | 41 ++++++++++++++++++++++++++--------------- 1 files changed, 26 insertions(+), 15 deletions(-)

diff --git a/pyonionoo/database.py b/pyonionoo/database.py index ab02845..840ec7e 100644 --- a/pyonionoo/database.py +++ b/pyonionoo/database.py @@ -232,6 +232,28 @@ def query_summary_tbl(running_filter=None, type_filter=None, hex_fingerprint_fil

return cursor.fetchall()

+def get_timestamp(): + """ + Get the latest known published timestamp of relay consensus and network + consensus document + + @rtype: tuple + @return: (relay_timestamp, bridge_timestamp) where + relays_timestamp, bridges_timestamp is a datetime object + """ + + relay_timestamp, bridge_timestamp = None, None + conn = get_database_conn() + cursor = conn.cursor() + + cursor.execute('SELECT MAX(time_published) FROM summary WHERE type="r"') + relay_timestamp = datetime.datetime.strptime(cursor.fetchone()[0], "%Y-%m-%d %H:%M:%S") + + cursor.execute('SELECT MAX(time_published) FROM summary WHERE type="b"') + bridge_timestamp = datetime.datetime.strptime(cursor.fetchone()[0], "%Y-%m-%d %H:%M:%S") + + return (relay_timestamp, bridge_timestamp) + def get_summary_routers(running_filter=None, type_filter=None, hex_fingerprint_filter=None, country_filter=None, search_filter=None, order_field=None, order_asc=True, offset_value=None, limit_value=None): @@ -241,13 +263,11 @@ def get_summary_routers(running_filter=None, type_filter=None, hex_fingerprint_f @rtype: tuple. @return: tuple of form (relays, bridges, relays_time, bridges_time), where * relays/bridges is a list of Router objects - * relays_time/bridges_time is a datetime object with the most + * relays_timestamp/bridges_timestamp is a datetime object with the most recent timestamp of the relay/bridges descriptors in relays. """

- # Timestamps of most recent relay/bridge in the returned set. - relay_timestamp = datetime.datetime(1900, 1, 1, 1, 0) - bridge_timestamp = datetime.datetime(1900, 1, 1, 1, 0) + relay_timestamp, bridge_timestamp = get_timestamp()

relays, bridges = [], [] fields = ('type', 'nickname', 'fingerprint', 'running', 'country_code', @@ -255,22 +275,13 @@ def get_summary_routers(running_filter=None, type_filter=None, hex_fingerprint_f for row in query_summary_tbl(running_filter, type_filter, hex_fingerprint_filter, country_filter, search_filter,order_field, order_asc, offset_value, limit_value, fields): - - current_router = datetime.datetime.strptime(row[5], "%Y-%m-%d %H:%M:%S") - router = Router()

# This is magic map(lambda (attr, value): setattr(router, attr, value), zip(fields, row))

- if row[0] == 'r': - relays.append(router) - if current_router > relay_timestamp: - relay_timestamp = current_router - if row[0] == 'b': - bridges.append(router) - if current_router > bridge_timestamp: - bridge_timestamp = current_router + if row[0] == 'r': relays.append(router) + if row[0] == 'b': bridges.append(router)

total_routers = (relays, bridges, relay_timestamp, bridge_timestamp) return total_routers