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hs-v3: Add the helper function mark_conn_as_waiting_for_circuit

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This helper function marks an entry connection as pending for a circuit and
changes its state to AP_CONN_STATE_CIRCUIT_WAIT. The timestamps are set to
now() so it can be considered as new.

No behaviour change, this helper function will be used in next commit.

Part of #28669

Signed-off-by: David Goulet <dgoulet@torproject.org>
This commit is contained in:
David Goulet 2018-12-04 14:18:23 -05:00
parent 00b59d9281
commit 43bd4d7509
1 changed files with 23 additions and 11 deletions
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34
src/feature/hs/hs_client.c
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@ -200,6 +200,26 @@ directory_request_is_pending(const ed25519_public_key_t *identity_pk)
return ret;
}
/* Helper function that changes the state of an entry connection to waiting
* for a circuit. For this to work properly, the connection timestamps are set
* to now and the connection is then marked as pending for a circuit. */
static void
mark_conn_as_waiting_for_circuit(connection_t *conn, time_t now)
{
tor_assert(conn);
/* Because the connection can now proceed to opening circuit and ultimately
* connect to the service, reset those timestamp so the connection is
* considered "fresh" and can continue without being closed too early. */
conn->timestamp_created = now;
conn->timestamp_last_read_allowed = now;
conn->timestamp_last_write_allowed = now;
/* Change connection's state into waiting for a circuit. */
conn->state = AP_CONN_STATE_CIRCUIT_WAIT;
connection_ap_mark_as_pending_circuit(TO_ENTRY_CONN(conn));
}
/* We failed to fetch a descriptor for the service with <b>identity_pk</b>
* because of <b>status</b>. Find all pending SOCKS connections for this
* service that are waiting on the descriptor and close them with
@ -1700,17 +1720,9 @@ hs_client_desc_has_arrived(const hs_ident_dir_conn_t *ident)
log_info(LD_REND, "Descriptor has arrived. Launching circuits.");
/* Because the connection can now proceed to opening circuit and
* ultimately connect to the service, reset those timestamp so the
* connection is considered "fresh" and can continue without being closed
* too early. */
base_conn->timestamp_created = now;
base_conn->timestamp_last_read_allowed = now;
base_conn->timestamp_last_write_allowed = now;
/* Change connection's state into waiting for a circuit. */
base_conn->state = AP_CONN_STATE_CIRCUIT_WAIT;
connection_ap_mark_as_pending_circuit(entry_conn);
/* Mark connection as waiting for a circuit since we do have a usable
* descriptor now. */
mark_conn_as_waiting_for_circuit(base_conn, now);
} SMARTLIST_FOREACH_END(base_conn);
end: