async def send_new_transaction(
self,
destination: str,
pdus: List[EventBase],
edus: List[Edu],
) -> None:
"""
Args:
destination: The destination to send to (e.g. 'example.org')
pdus: In-order list of PDUs to send
edus: List of EDUs to send
"""
# Make a transaction-sending opentracing span. This span follows on from
# all the edus in that transaction. This needs to be done since there is
# no active span here, so if the edus were not received by the remote the
# span would have no causality and it would be forgotten.
span_contexts = []
keep_destination = whitelisted_homeserver(destination)
for edu in edus:
context = edu.get_context()
if context:
span_contexts.append(
extract_text_map(json_decoder.decode(context)))
if keep_destination:
edu.strip_context()
with start_active_span_follows_from("send_transaction", span_contexts):
logger.debug("TX [%s] _attempt_new_transaction", destination)
txn_id = str(self._next_txn_id)
logger.debug(
"TX [%s] {%s} Attempting new transaction (pdus: %d, edus: %d)",
destination,
txn_id,
len(pdus),
len(edus),
)
transaction = Transaction.create_new(
origin_server_ts=int(self.clock.time_msec()),
transaction_id=txn_id,
origin=self._server_name,
destination=destination,
pdus=pdus,
edus=edus,
)
self._next_txn_id += 1
logger.info(
"TX [%s] {%s} Sending transaction [%s], (PDUs: %d, EDUs: %d)",
destination,
txn_id,
transaction.transaction_id,
len(pdus),
len(edus),
)
# Actually send the transaction
# FIXME (erikj): This is a bit of a hack to make the Pdu age
# keys work
# FIXME (richardv): I also believe it no longer works. We (now?) store
# "age_ts" in "unsigned" rather than at the top level. See
# https://github.com/matrix-org/synapse/issues/8429.
def json_data_cb():
data = transaction.get_dict()
now = int(self.clock.time_msec())
if "pdus" in data:
for p in data["pdus"]:
if "age_ts" in p:
unsigned = p.setdefault("unsigned", {})
unsigned["age"] = now - int(p["age_ts"])
del p["age_ts"]
return data
try:
response = await self._transport_layer.send_transaction(
transaction, json_data_cb)
except HttpResponseException as e:
code = e.code
response = e.response
set_tag(tags.ERROR, True)
logger.info("TX [%s] {%s} got %d response", destination,
txn_id, code)
raise
logger.info("TX [%s] {%s} got 200 response", destination, txn_id)
for e_id, r in response.get("pdus", {}).items():
if "error" in r:
logger.warning(
"TX [%s] {%s} Remote returned error for %s: %s",
destination,
txn_id,
e_id,
r,
)
if pdus and destination in self._federation_metrics_domains:
last_pdu = pdus[-1]
last_pdu_ts_metric.labels(server_name=destination).set(
last_pdu.origin_server_ts / 1000)
def send_new_transaction(self, destination, pending_pdus, pending_edus):
# Make a transaction-sending opentracing span. This span follows on from
# all the edus in that transaction. This needs to be done since there is
# no active span here, so if the edus were not received by the remote the
# span would have no causality and it would be forgotten.
# The span_contexts is a generator so that it won't be evaluated if
# opentracing is disabled. (Yay speed!)
span_contexts = []
keep_destination = whitelisted_homeserver(destination)
for edu in pending_edus:
context = edu.get_context()
if context:
span_contexts.append(extract_text_map(json.loads(context)))
if keep_destination:
edu.strip_context()
with start_active_span_follows_from("send_transaction", span_contexts):
# Sort based on the order field
pending_pdus.sort(key=lambda t: t[1])
pdus = [x[0] for x in pending_pdus]
edus = pending_edus
success = True
logger.debug("TX [%s] _attempt_new_transaction", destination)
txn_id = str(self._next_txn_id)
logger.debug(
"TX [%s] {%s} Attempting new transaction (pdus: %d, edus: %d)",
destination,
txn_id,
len(pdus),
len(edus),
)
transaction = Transaction.create_new(
origin_server_ts=int(self.clock.time_msec()),
transaction_id=txn_id,
origin=self._server_name,
destination=destination,
pdus=pdus,
edus=edus,
)
self._next_txn_id += 1
logger.info(
"TX [%s] {%s} Sending transaction [%s], (PDUs: %d, EDUs: %d)",
destination,
txn_id,
transaction.transaction_id,
len(pdus),
len(edus),
)
# Actually send the transaction
# FIXME (erikj): This is a bit of a hack to make the Pdu age
# keys work
def json_data_cb():
data = transaction.get_dict()
now = int(self.clock.time_msec())
if "pdus" in data:
for p in data["pdus"]:
if "age_ts" in p:
unsigned = p.setdefault("unsigned", {})
unsigned["age"] = now - int(p["age_ts"])
del p["age_ts"]
return data
try:
response = yield self._transport_layer.send_transaction(
transaction, json_data_cb)
code = 200
except HttpResponseException as e:
code = e.code
response = e.response
if e.code in (401, 404, 429) or 500 <= e.code:
logger.info("TX [%s] {%s} got %d response", destination,
txn_id, code)
raise e
logger.info("TX [%s] {%s} got %d response", destination, txn_id,
code)
if code == 200:
for e_id, r in response.get("pdus", {}).items():
if "error" in r:
logger.warning(
"TX [%s] {%s} Remote returned error for %s: %s",
destination,
txn_id,
e_id,
r,
)
else:
for p in pdus:
logger.warning(
"TX [%s] {%s} Failed to send event %s",
destination,
txn_id,
p.event_id,
)
success = False
set_tag(tags.ERROR, not success)
return success
async def send_new_transaction(
self,
destination: str,
pdus: List[EventBase],
edus: List[Edu],
) -> bool:
"""
Args:
destination: The destination to send to (e.g. 'example.org')
pdus: In-order list of PDUs to send
edus: List of EDUs to send
Returns:
True iff the transaction was successful
"""
# Make a transaction-sending opentracing span. This span follows on from
# all the edus in that transaction. This needs to be done since there is
# no active span here, so if the edus were not received by the remote the
# span would have no causality and it would be forgotten.
span_contexts = []
keep_destination = whitelisted_homeserver(destination)
for edu in edus:
context = edu.get_context()
if context:
span_contexts.append(
extract_text_map(json_decoder.decode(context)))
if keep_destination:
edu.strip_context()
with start_active_span_follows_from("send_transaction", span_contexts):
success = True
logger.debug("TX [%s] _attempt_new_transaction", destination)
txn_id = str(self._next_txn_id)
logger.debug(
"TX [%s] {%s} Attempting new transaction (pdus: %d, edus: %d)",
destination,
txn_id,
len(pdus),
len(edus),
)
transaction = Transaction.create_new(
origin_server_ts=int(self.clock.time_msec()),
transaction_id=txn_id,
origin=self._server_name,
destination=destination,
pdus=pdus,
edus=edus,
)
self._next_txn_id += 1
logger.info(
"TX [%s] {%s} Sending transaction [%s], (PDUs: %d, EDUs: %d)",
destination,
txn_id,
transaction.transaction_id,
len(pdus),
len(edus),
)
# Actually send the transaction
# FIXME (erikj): This is a bit of a hack to make the Pdu age
# keys work
def json_data_cb():
data = transaction.get_dict()
now = int(self.clock.time_msec())
if "pdus" in data:
for p in data["pdus"]:
if "age_ts" in p:
unsigned = p.setdefault("unsigned", {})
unsigned["age"] = now - int(p["age_ts"])
del p["age_ts"]
return data
try:
response = await self._transport_layer.send_transaction(
transaction, json_data_cb)
code = 200
except HttpResponseException as e:
code = e.code
response = e.response
if e.code in (401, 404, 429) or 500 <= e.code:
logger.info("TX [%s] {%s} got %d response", destination,
txn_id, code)
raise e
logger.info("TX [%s] {%s} got %d response", destination, txn_id,
code)
if code == 200:
for e_id, r in response.get("pdus", {}).items():
if "error" in r:
logger.warning(
"TX [%s] {%s} Remote returned error for %s: %s",
destination,
txn_id,
e_id,
r,
)
else:
for p in pdus:
logger.warning(
"TX [%s] {%s} Failed to send event %s",
destination,
txn_id,
p.event_id,
)
success = False
set_tag(tags.ERROR, not success)
return success