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never refuse directory requests from local addresses
svn:r9421
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@ -3,6 +3,7 @@ Changes in version 0.1.2.7-alpha - 2007-01-26
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- Servers decline directory requests much more aggressively when
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they're low on bandwidth. Otherwise they end up queueing more and
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more directory responses, which can't be good for latency.
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- But never refuse directory requests from local addresses.
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- Be willing to read or write on local connections (e.g. controller
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connections) even when the global rate limiting buckets are empty.
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- If our system clock jumps back in time, don't publish a negative
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@ -1175,8 +1175,8 @@ connection_bucket_write_limit(connection_t *conn)
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}
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/** Return 1 if the global write bucket is low enough that we shouldn't
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* send <b>attempt</b> bytes of low-priority directory stuff out.
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* Else return 0.
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* send <b>attempt</b> bytes of low-priority directory stuff out to
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* <b>conn</b>. Else return 0.
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* Priority is 1 for v1 requests (directories and running-routers),
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* and 2 for v2 requests (statuses and descriptors). But see FFFF in
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@ -1194,11 +1194,14 @@ connection_bucket_write_limit(connection_t *conn)
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* that's harder to quantify and harder to keep track of.
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*/
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int
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global_write_bucket_low(size_t attempt, int priority)
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global_write_bucket_low(connection_t *conn, size_t attempt, int priority)
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{
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if (authdir_mode(get_options()) && priority>1)
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return 0; /* there's always room to answer v2 if we're an auth dir */
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if (is_internal_IP(conn->addr, 0))
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return 0; /* local conns don't get limited */
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if (global_write_bucket < (int)attempt)
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return 1; /* not enough space no matter the priority */
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@ -1603,7 +1603,7 @@ directory_handle_command_get(dir_connection_t *conn, char *headers,
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}
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dlen = deflated ? d->dir_z_len : d->dir_len;
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if (global_write_bucket_low(dlen, 1)) {
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if (global_write_bucket_low(TO_CONN(conn), dlen, 1)) {
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log_info(LD_DIRSERV,
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"Client asked for the mirrored directory, but we've been "
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"writing too many bytes lately. Sending 503 Dir busy.");
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@ -1645,7 +1645,7 @@ directory_handle_command_get(dir_connection_t *conn, char *headers,
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tor_free(url);
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return 0;
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}
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if (global_write_bucket_low(dlen, 1)) {
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if (global_write_bucket_low(TO_CONN(conn), dlen, 1)) {
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log_info(LD_DIRSERV,
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"Client asked for running-routers, but we've been "
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"writing too many bytes lately. Sending 503 Dir busy.");
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@ -1689,7 +1689,7 @@ directory_handle_command_get(dir_connection_t *conn, char *headers,
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return 0;
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}
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dlen = dirserv_estimate_data_size(dir_fps, 0, deflated);
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if (global_write_bucket_low(dlen, 2)) {
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if (global_write_bucket_low(TO_CONN(conn), dlen, 2)) {
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log_info(LD_DIRSERV,
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"Client asked for network status lists, but we've been "
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"writing too many bytes lately. Sending 503 Dir busy.");
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@ -1758,7 +1758,7 @@ directory_handle_command_get(dir_connection_t *conn, char *headers,
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else {
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dlen = dirserv_estimate_data_size(conn->fingerprint_stack,
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1, deflated);
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if (global_write_bucket_low(dlen, 2)) {
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if (global_write_bucket_low(TO_CONN(conn), dlen, 2)) {
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log_info(LD_DIRSERV,
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"Client asked for server descriptors, but we've been "
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"writing too many bytes lately. Sending 503 Dir busy.");
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@ -2042,7 +2042,7 @@ int retry_all_listeners(int force, smartlist_t *replaced_conns,
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smartlist_t *new_conns);
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int connection_bucket_write_limit(connection_t *conn);
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int global_write_bucket_low(size_t attempt, int priority);
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int global_write_bucket_low(connection_t *conn, size_t attempt, int priority);
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void connection_bucket_init(void);
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void connection_bucket_refill(int seconds_elapsed);
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