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r12853@catbus: nickm | 2007-05-22 11:36:54 -0400

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Make connection_array into a smartlist.


svn:r10292
This commit is contained in:
Nick Mathewson 2007-05-22 15:49:14 +00:00
parent e935d73b34
commit 6975a093e9
12 changed files with 201 additions and 281 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
ChangeLog
View File

@ -76,6 +76,7 @@ Changes in version 0.2.0.1-alpha - 2007-??-??
string: either fetch it directly if we're in an SVN checkout, do
some magic to guess it if we're in an SVK checkout, or use
the last-detected version if we're building from a .tar.gz.
Use this version consistently in log messages.
o Minor features (logging):
- Always prepend "Bug: " to any log message about a bug.
@ -181,6 +182,9 @@ Changes in version 0.2.0.1-alpha - 2007-??-??
- Make dns_resolve() handle attaching connections to circuits
properly, so the caller doesn't have to.
- Rename wants_to_read and wants_to_write to read/write_blocked_on_bw.
- Keep the connection array as a dynamic smartlist_t, rather than as
a fixed-sized array. This is important, as the number of connections
is becoming increasingly decoupled from the number of sockets.
Changes in version 0.1.2.13 - 2007-04-24

24
src/or/circuitbuild.c
View File

@ -1145,25 +1145,25 @@ choose_good_exit_server_general(routerlist_t *dir, int need_uptime,
int need_capacity)
{
int *n_supported;
int i, j;
int i;
int n_pending_connections = 0;
connection_t **carray;
int n_connections;
smartlist_t *connections;
int best_support = -1;
int n_best_support=0;
smartlist_t *sl, *preferredexits, *excludedexits;
routerinfo_t *router;
or_options_t *options = get_options();
get_connection_array(&carray, &n_connections);
connections = get_connection_array();
/* Count how many connections are waiting for a circuit to be built.
* We use this for log messages now, but in the future we may depend on it.
*/
for (i = 0; i < n_connections; ++i) {
if (ap_stream_wants_exit_attention(carray[i]))
SMARTLIST_FOREACH(connections, connection_t *, conn,
{
if (ap_stream_wants_exit_attention(conn))
++n_pending_connections;
}
});
// log_fn(LOG_DEBUG, "Choosing exit node; %d connections are pending",
// n_pending_connections);
/* Now we count, for each of the routers in the directory, how many
@ -1204,10 +1204,12 @@ choose_good_exit_server_general(routerlist_t *dir, int need_uptime,
continue; /* skip routers that reject all */
}
n_supported[i] = 0;
for (j = 0; j < n_connections; ++j) { /* iterate over connections */
if (!ap_stream_wants_exit_attention(carray[j]))
/* iterate over connections */
SMARTLIST_FOREACH(connections, connection_t *, conn,
{
if (!ap_stream_wants_exit_attention(conn))
continue; /* Skip everything but APs in CIRCUIT_WAIT */
if (connection_ap_can_use_exit(TO_EDGE_CONN(carray[j]), router)) {
if (connection_ap_can_use_exit(TO_EDGE_CONN(conn), router)) {
++n_supported[i];
// log_fn(LOG_DEBUG,"%s is supported. n_supported[%d] now %d.",
// router->nickname, i, n_supported[i]);
@ -1215,7 +1217,7 @@ choose_good_exit_server_general(routerlist_t *dir, int need_uptime,
// log_fn(LOG_DEBUG,"%s (index %d) would reject this stream.",
// router->nickname, i);
}
} /* End looping over connections. */
}); /* End looping over connections. */
if (n_supported[i] > best_support) {
/* If this router is better than previous ones, remember its index
* and goodness, and start counting how many routers are this good. */

165
src/or/connection.c
View File

@ -385,21 +385,19 @@ connection_free(connection_t *conn)
void
connection_free_all(void)
{
int i, n;
connection_t **carray;
smartlist_t *conns = get_connection_array();
get_connection_array(&carray,&n);
/* We don't want to log any messages to controllers. */
for (i=0;i<n;i++)
if (carray[i]->type == CONN_TYPE_CONTROL)
TO_CONTROL_CONN(carray[i])->event_mask = 0;
SMARTLIST_FOREACH(conns, connection_t *, conn,
if (conn->type == CONN_TYPE_CONTROL)
TO_CONTROL_CONN(conn)->event_mask = 0);
control_update_global_event_mask();
/* Unlink everything from the identity map. */
connection_or_clear_identity_map();
for (i=0;i<n;i++)
_connection_free(carray[i]);
SMARTLIST_FOREACH(conns, connection_t *, conn, _connection_free(conn));
if (outgoing_addrs) {
SMARTLIST_FOREACH(outgoing_addrs, void*, addr, tor_free(addr));
@ -583,15 +581,13 @@ _connection_mark_for_close(connection_t *conn, int line, const char *file)
void
connection_expire_held_open(void)
{
connection_t **carray, *conn;
int n, i;
time_t now;
smartlist_t *conns = get_connection_array();
now = time(NULL);
get_connection_array(&carray, &n);
for (i = 0; i < n; ++i) {
conn = carray[i];
SMARTLIST_FOREACH(conns, connection_t *, conn,
{
/* If we've been holding the connection open, but we haven't written
* for 15 seconds...
*/
@ -613,7 +609,7 @@ connection_expire_held_open(void)
conn->hold_open_until_flushed = 0;
}
}
}
});
}
/** Bind a new non-blocking socket listening to
@ -995,12 +991,11 @@ retry_listeners(int type, config_line_t *cfg,
smartlist_t *new_conns,
int never_open_conns)
{
smartlist_t *launch = smartlist_create();
smartlist_t *launch = smartlist_create(), *conns;
int free_launch_elts = 1;
int r;
config_line_t *c;
int n_conn, i;
connection_t *conn;
connection_t **carray;
config_line_t *line;
if (cfg && port_option) {
@ -1020,9 +1015,9 @@ retry_listeners(int type, config_line_t *cfg,
log_fn(LOG_NOTICE, "#%s#%s", l->key, l->value));
*/
get_connection_array(&carray,&n_conn);
for (i=0; i < n_conn; ++i) {
conn = carray[i];
conns = get_connection_array();
SMARTLIST_FOREACH(conns, connection_t *, conn,
{
if (conn->type != type || conn->marked_for_close)
continue;
if (force) {
@ -1069,17 +1064,17 @@ retry_listeners(int type, config_line_t *cfg,
if (free_launch_elts)
config_free_lines(line);
}
}
});
/* Now open all the listeners that are configured but not opened. */
i = 0;
r = 0;
if (!never_open_conns) {
SMARTLIST_FOREACH(launch, config_line_t *, cfg_line,
{
conn = connection_create_listener(cfg_line->value,
(uint16_t) port_option, type);
if (!conn) {
i = -1;
r = -1;
} else {
if (new_conns)
smartlist_add(new_conns, conn);
@ -1093,7 +1088,7 @@ retry_listeners(int type, config_line_t *cfg,
}
smartlist_free(launch);
return i;
return r;
}
/** (Re)launch listeners for each port you should have open. If
@ -1416,10 +1411,8 @@ connection_bucket_refill_helper(int *bucket, int rate, int burst,
void
connection_bucket_refill(int seconds_elapsed)
{
int i, n;
connection_t *conn;
connection_t **carray;
or_options_t *options = get_options();
smartlist_t *conns = get_connection_array();
int relayrate, relayburst;
if (options->RelayBandwidthRate) {
@ -1452,10 +1445,8 @@ connection_bucket_refill(int seconds_elapsed)
"global_relayed_write_bucket");
/* refill the per-connection buckets */
get_connection_array(&carray,&n);
for (i=0;i<n;i++) {
conn = carray[i];
SMARTLIST_FOREACH(conns, connection_t *, conn,
{
if (connection_speaks_cells(conn)) {
or_connection_t *or_conn = TO_OR_CONN(conn);
if (connection_read_bucket_should_increase(or_conn)) {
@ -1491,7 +1482,7 @@ connection_bucket_refill(int seconds_elapsed)
conn->write_blocked_on_bw = 0;
connection_start_writing(conn);
}
}
});
}
/** Is the receiver bucket for connection <b>conn</b> low enough that we
@ -2057,21 +2048,18 @@ _connection_write_to_buf_impl(const char *string, size_t len,
or_connection_t *
connection_or_exact_get_by_addr_port(uint32_t addr, uint16_t port)
{
int i, n;
connection_t *conn;
or_connection_t *best=NULL;
connection_t **carray;
smartlist_t *conns = get_connection_array();
get_connection_array(&carray,&n);
for (i=0;i<n;i++) {
conn = carray[i];
SMARTLIST_FOREACH(conns, connection_t *, conn,
{
if (conn->type == CONN_TYPE_OR &&
conn->addr == addr &&
conn->port == port &&
!conn->marked_for_close &&
(!best || best->_base.timestamp_created < conn->timestamp_created))
best = TO_OR_CONN(conn);
}
});
return best;
}
@ -2082,20 +2070,16 @@ connection_get_by_type_addr_port_purpose(int type,
uint32_t addr, uint16_t port,
int purpose)
{
int i, n;
connection_t *conn;
connection_t **carray;
get_connection_array(&carray,&n);
for (i=0;i<n;i++) {
conn = carray[i];
smartlist_t *conns = get_connection_array();
SMARTLIST_FOREACH(conns, connection_t *, conn,
{
if (conn->type == type &&
conn->addr == addr &&
conn->port == port &&
conn->purpose == purpose &&
!conn->marked_for_close)
return conn;
}
});
return NULL;
}
@ -2105,20 +2089,16 @@ connection_get_by_type_addr_port_purpose(int type,
edge_connection_t *
connection_get_by_global_id(uint32_t id)
{
int i, n;
connection_t *conn;
connection_t **carray;
get_connection_array(&carray,&n);
for (i=0;i<n;i++) {
conn = carray[i];
smartlist_t *conns = get_connection_array();
SMARTLIST_FOREACH(conns, connection_t *, conn,
{
if (CONN_IS_EDGE(conn) && TO_EDGE_CONN(conn)->global_identifier == id) {
if (!conn->marked_for_close)
return TO_EDGE_CONN(conn);
else
return NULL;
}
}
});
return NULL;
}
@ -2127,16 +2107,12 @@ connection_get_by_global_id(uint32_t id)
connection_t *
connection_get_by_type(int type)
{
int i, n;
connection_t *conn;
connection_t **carray;
get_connection_array(&carray,&n);
for (i=0;i<n;i++) {
conn = carray[i];
smartlist_t *conns = get_connection_array();
SMARTLIST_FOREACH(conns, connection_t *, conn,
{
if (conn->type == type && !conn->marked_for_close)
return conn;
}
});
return NULL;
}
@ -2146,16 +2122,12 @@ connection_get_by_type(int type)
connection_t *
connection_get_by_type_state(int type, int state)
{
int i, n;
connection_t *conn;
connection_t **carray;
get_connection_array(&carray,&n);
for (i=0;i<n;i++) {
conn = carray[i];
smartlist_t *conns = get_connection_array();
SMARTLIST_FOREACH(conns, connection_t *, conn,
{
if (conn->type == type && conn->state == state && !conn->marked_for_close)
return conn;
}
});
return NULL;
}
@ -2166,17 +2138,14 @@ connection_get_by_type_state(int type, int state)
connection_t *
connection_get_by_type_state_lastwritten(int type, int state)
{
int i, n;
connection_t *conn, *best=NULL;
connection_t **carray;
get_connection_array(&carray,&n);
for (i=0;i<n;i++) {
conn = carray[i];
connection_t *best = NULL;
smartlist_t *conns = get_connection_array();
SMARTLIST_FOREACH(conns, connection_t *, conn,
{
if (conn->type == type && conn->state == state && !conn->marked_for_close)
if (!best || conn->timestamp_lastwritten < best->timestamp_lastwritten)
best = conn;
}
});
return best;
}
@ -2188,16 +2157,13 @@ connection_t *
connection_get_by_type_state_rendquery(int type, int state,
const char *rendquery)
{
int i, n;
connection_t *conn;
connection_t **carray;
smartlist_t *conns = get_connection_array();
tor_assert(type == CONN_TYPE_DIR ||
type == CONN_TYPE_AP || type == CONN_TYPE_EXIT);
get_connection_array(&carray,&n);
for (i=0;i<n;i++) {
conn = carray[i];
SMARTLIST_FOREACH(conns, connection_t *, conn,
{
if (conn->type == type &&
!conn->marked_for_close &&
(!state || state == conn->state)) {
@ -2208,7 +2174,7 @@ connection_get_by_type_state_rendquery(int type, int state,
!rend_cmp_service_ids(rendquery, TO_EDGE_CONN(conn)->rend_query))
return conn;
}
}
});
return NULL;
}
@ -2217,18 +2183,14 @@ connection_get_by_type_state_rendquery(int type, int state,
connection_t *
connection_get_by_type_purpose(int type, int purpose)
{
int i, n;
connection_t *conn;
connection_t **carray;
get_connection_array(&carray,&n);
for (i=0;i<n;i++) {
conn = carray[i];
smartlist_t *conns = get_connection_array();
SMARTLIST_FOREACH(conns, connection_t *, conn,
{
if (conn->type == type &&
!conn->marked_for_close &&
(purpose == conn->purpose))
return conn;
}
});
return NULL;
}
@ -2511,17 +2473,15 @@ connection_dump_buffer_mem_stats(int severity)
int n_conns_by_type[_CONN_TYPE_MAX+1];
uint64_t total_alloc = 0;
uint64_t total_used = 0;
int i, n;
connection_t **carray;
int i;
smartlist_t *conns = get_connection_array();
memset(used_by_type, 0, sizeof(used_by_type));
memset(alloc_by_type, 0, sizeof(alloc_by_type));
memset(n_conns_by_type, 0, sizeof(n_conns_by_type));
get_connection_array(&carray,&n);
for (i=0; i<n; ++i) {
connection_t *c = carray[i];
SMARTLIST_FOREACH(conns, connection_t *, c,
{
int tp = c->type;
++n_conns_by_type[tp];
if (c->inbuf) {
@ -2532,7 +2492,7 @@ connection_dump_buffer_mem_stats(int severity)
used_by_type[tp] += buf_datalen(c->outbuf);
alloc_by_type[tp] += buf_capacity(c->outbuf);
}
}
});
for (i=0; i <= _CONN_TYPE_MAX; ++i) {
total_used += used_by_type[i];
total_alloc += alloc_by_type[i];
@ -2540,7 +2500,8 @@ connection_dump_buffer_mem_stats(int severity)
log(severity, LD_GENERAL,
"In buffers for %d connections: "U64_FORMAT" used/"U64_FORMAT" allocated",
n, U64_PRINTF_ARG(total_used), U64_PRINTF_ARG(total_alloc));
smartlist_len(conns),
U64_PRINTF_ARG(total_used), U64_PRINTF_ARG(total_alloc));
for (i=_CONN_TYPE_MIN; i <= _CONN_TYPE_MAX; ++i) {
if (!n_conns_by_type[i])
continue;

39
src/or/connection_edge.c
View File

@ -343,22 +343,20 @@ compute_retry_timeout(edge_connection_t *conn)
void
connection_ap_expire_beginning(void)
{
connection_t **carray;
edge_connection_t *conn;
circuit_t *circ;
int n, i;
time_t now = time(NULL);
or_options_t *options = get_options();
int severity;
int cutoff;
int seconds_idle;
smartlist_t *conns = get_connection_array();
get_connection_array(&carray, &n);
for (i = 0; i < n; ++i) {
if (carray[i]->type != CONN_TYPE_AP)
SMARTLIST_FOREACH(conns, connection_t *, c,
{
if (c->type != CONN_TYPE_AP)
continue;
conn = TO_EDGE_CONN(carray[i]);
conn = TO_EDGE_CONN(c);
/* if it's an internal bridge connection, don't yell its status. */
severity = (!conn->_base.addr && !conn->_base.port)
? LOG_INFO : LOG_NOTICE;
@ -431,7 +429,7 @@ connection_ap_expire_beginning(void)
END_STREAM_REASON_TIMEOUT)<0) {
connection_mark_unattached_ap(conn, END_STREAM_REASON_CANT_ATTACH);
}
} /* end for */
}); /* end foreach */
}
/** Tell any AP streams that are waiting for a new circuit to try again,
@ -440,15 +438,10 @@ connection_ap_expire_beginning(void)
void
connection_ap_attach_pending(void)
{
connection_t **carray;
connection_t *conn;
edge_connection_t *edge_conn;
int n, i;
get_connection_array(&carray, &n);
for (i = 0; i < n; ++i) {
conn = carray[i];
smartlist_t *conns = get_connection_array();
SMARTLIST_FOREACH(conns, connection_t *, conn,
{
if (conn->marked_for_close ||
conn->type != CONN_TYPE_AP ||
conn->state != AP_CONN_STATE_CIRCUIT_WAIT)
@ -457,7 +450,7 @@ connection_ap_attach_pending(void)
if (connection_ap_handshake_attach_circuit(edge_conn) < 0) {
connection_mark_unattached_ap(edge_conn, END_STREAM_REASON_CANT_ATTACH);
}
}
});
}
/** A circuit failed to finish on its last hop <b>info</b>. If there
@ -467,16 +460,12 @@ connection_ap_attach_pending(void)
void
circuit_discard_optional_exit_enclaves(extend_info_t *info)
{
connection_t **carray;
connection_t *conn;
edge_connection_t *edge_conn;
routerinfo_t *r1, *r2;
int n, i;
get_connection_array(&carray, &n);
for (i = 0; i < n; ++i) {
conn = carray[i];
smartlist_t *conns = get_connection_array();
SMARTLIST_FOREACH(conns, connection_t *, conn,
{
if (conn->marked_for_close ||
conn->type != CONN_TYPE_AP ||
!conn->chosen_exit_optional)
@ -492,7 +481,7 @@ circuit_discard_optional_exit_enclaves(extend_info_t *info)
conn->chosen_exit_optional = 0;
tor_free(edge_conn->chosen_exit_name); /* clears it */
}
}
});
}
/** The AP connection <b>conn</b> has just failed while attaching or

11
src/or/connection_or.c
View File

@ -65,18 +65,15 @@ connection_or_remove_from_identity_map(or_connection_t *conn)
void
connection_or_clear_identity_map(void)
{
int i, n;
connection_t **carray;
get_connection_array(&carray,&n);
for (i = 0; i < n; ++i) {
connection_t* conn = carray[i];
smartlist_t *conns = get_connection_array();
SMARTLIST_FOREACH(conns, connection_t *, conn,
{
if (conn->type == CONN_TYPE_OR) {
or_connection_t *or_conn = TO_OR_CONN(conn);
memset(or_conn->identity_digest, 0, DIGEST_LEN);
or_conn->next_with_same_id = NULL;
}
}
});
if (orconn_identity_map) {
digestmap_free(orconn_identity_map, NULL);

104
src/or/control.c
View File

@ -175,25 +175,24 @@ log_severity_to_event(int severity)
void
control_update_global_event_mask(void)
{
connection_t **conns;
int n_conns, i;
smartlist_t *conns = get_connection_array();
event_mask_t old_mask, new_mask;
old_mask = global_event_mask1short;
old_mask |= global_event_mask1long;
global_event_mask1short = 0;
global_event_mask1long = 0;
get_connection_array(&conns, &n_conns);
for (i = 0; i < n_conns; ++i) {
if (conns[i]->type == CONN_TYPE_CONTROL &&
STATE_IS_OPEN(conns[i]->state)) {
control_connection_t *conn = TO_CONTROL_CONN(conns[i]);
SMARTLIST_FOREACH(conns, connection_t *, _conn,
{
if (_conn->type == CONN_TYPE_CONTROL &&
STATE_IS_OPEN(_conn->state)) {
control_connection_t *conn = TO_CONTROL_CONN(_conn);
if (conn->use_long_names)
global_event_mask1long |= conn->event_mask;
else
global_event_mask1short |= conn->event_mask;
}
}
});
new_mask = global_event_mask1short;
new_mask |= global_event_mask1long;
@ -206,12 +205,13 @@ control_update_global_event_mask(void)
* fields. */
if (! (old_mask & EVENT_STREAM_BANDWIDTH_USED) &&
(new_mask & EVENT_STREAM_BANDWIDTH_USED)) {
for (i = 0; i < n_conns; ++i) {
if (conns[i]->type == CONN_TYPE_AP) {
edge_connection_t *conn = TO_EDGE_CONN(conns[i]);
conn->n_written = conn->n_read = 0;
SMARTLIST_FOREACH(conns, connection_t *, conn,
{
if (conn->type == CONN_TYPE_AP) {
edge_connection_t *edge_conn = TO_EDGE_CONN(conn);
edge_conn->n_written = edge_conn->n_read = 0;
}
}
});
}
}
@ -461,17 +461,15 @@ static void
send_control_event_string(uint16_t event, event_format_t which,
const char *msg)
{
connection_t **conns;
int n_conns, i;
smartlist_t *conns = get_connection_array();
tor_assert(event >= _EVENT_MIN && event <= _EVENT_MAX);
get_connection_array(&conns, &n_conns);
for (i = 0; i < n_conns; ++i) {
if (conns[i]->type == CONN_TYPE_CONTROL &&
!conns[i]->marked_for_close &&
conns[i]->state == CONTROL_CONN_STATE_OPEN) {
control_connection_t *control_conn = TO_CONTROL_CONN(conns[i]);
SMARTLIST_FOREACH(conns, connection_t *, conn,
{
if (conn->type == CONN_TYPE_CONTROL &&
!conn->marked_for_close &&
conn->state == CONTROL_CONN_STATE_OPEN) {
control_connection_t *control_conn = TO_CONTROL_CONN(conn);
if (control_conn->use_long_names) {
if (!(which & LONG_NAMES))
continue;
@ -501,7 +499,7 @@ send_control_event_string(uint16_t event, event_format_t which,
connection_handle_write(TO_CONN(control_conn), 1);
}
}
}
});
}
/** Helper for send_control1_event and send_control1_event_extended:
@ -1361,24 +1359,23 @@ getinfo_helper_events(control_connection_t *control_conn,
SMARTLIST_FOREACH(status, char *, cp, tor_free(cp));
smartlist_free(status);
} else if (!strcmp(question, "stream-status")) {
connection_t **conns;
int n_conns, i;
char buf[256];
smartlist_t *conns = get_connection_array();
smartlist_t *status = smartlist_create();
get_connection_array(&conns, &n_conns);
for (i=0; i < n_conns; ++i) {
char buf[256];
SMARTLIST_FOREACH(conns, connection_t *, base_conn,
{
const char *state;
edge_connection_t *conn;
char *s;
size_t slen;
circuit_t *circ;
origin_circuit_t *origin_circ = NULL;
if (conns[i]->type != CONN_TYPE_AP ||
conns[i]->marked_for_close ||
conns[i]->state == AP_CONN_STATE_SOCKS_WAIT ||
conns[i]->state == AP_CONN_STATE_NATD_WAIT)
if (base_conn->type != CONN_TYPE_AP ||
base_conn->marked_for_close ||
base_conn->state == AP_CONN_STATE_SOCKS_WAIT ||
base_conn->state == AP_CONN_STATE_NATD_WAIT)
continue;
conn = TO_EDGE_CONN(conns[i]);
conn = TO_EDGE_CONN(base_conn);
switch (conn->_base.state)
{
case AP_CONN_STATE_CONTROLLER_WAIT:
@ -1413,24 +1410,23 @@ getinfo_helper_events(control_connection_t *control_conn,
(unsigned long)origin_circ->global_identifier : 0ul,
buf);
smartlist_add(status, s);
}
});
*answer = smartlist_join_strings(status, "\r\n", 0, NULL);
SMARTLIST_FOREACH(status, char *, cp, tor_free(cp));
smartlist_free(status);
} else if (!strcmp(question, "orconn-status")) {
connection_t **conns;
int n_conns, i;
smartlist_t *conns = get_connection_array();
smartlist_t *status = smartlist_create();
get_connection_array(&conns, &n_conns);
for (i=0; i < n_conns; ++i) {
SMARTLIST_FOREACH(conns, connection_t *, base_conn,
{
const char *state;
char *s;
char name[128];
size_t slen;
or_connection_t *conn;
if (conns[i]->type != CONN_TYPE_OR || conns[i]->marked_for_close)
if (base_conn->type != CONN_TYPE_OR || base_conn->marked_for_close)
continue;
conn = TO_OR_CONN(conns[i]);
conn = TO_OR_CONN(base_conn);
if (conn->_base.state == OR_CONN_STATE_OPEN)
state = "CONNECTED";
else if (conn->nickname)
@ -1443,7 +1439,7 @@ getinfo_helper_events(control_connection_t *control_conn,
s = tor_malloc(slen+1);
tor_snprintf(s, slen, "%s %s", name, state);
smartlist_add(status, s);
}
});
*answer = smartlist_join_strings(status, "\r\n", 0, NULL);
SMARTLIST_FOREACH(status, char *, cp, tor_free(cp));
smartlist_free(status);
@ -2846,28 +2842,26 @@ control_event_or_conn_status(or_connection_t *conn, or_conn_status_event_t tp,
int
control_event_stream_bandwidth_used(void)
{
connection_t **carray;
edge_connection_t *conn;
int n, i;
if (EVENT_IS_INTERESTING(EVENT_STREAM_BANDWIDTH_USED)) {
get_connection_array(&carray, &n);
smartlist_t *conns = get_connection_array();
edge_connection_t *edge_conn;
for (i = 0; i < n; ++i) {
if (carray[i]->type != CONN_TYPE_AP)
SMARTLIST_FOREACH(conns, connection_t *, conn,
{
if (conn->type != CONN_TYPE_AP)
continue;
conn = TO_EDGE_CONN(carray[i]);
if (!conn->n_read && !conn->n_written)
edge_conn = TO_EDGE_CONN(conn);
if (!edge_conn->n_read && !edge_conn->n_written)
continue;
send_control_event(EVENT_STREAM_BANDWIDTH_USED, ALL_NAMES,
"650 STREAM_BW %lu %lu %lu\r\n",
(unsigned long)conn->global_identifier,
(unsigned long)conn->n_read,
(unsigned long)conn->n_written);
(unsigned long)edge_conn->global_identifier,
(unsigned long)edge_conn->n_read,
(unsigned long)edge_conn->n_written);
conn->n_written = conn->n_read = 0;
}
edge_conn->n_written = edge_conn->n_read = 0;
});
}
return 0;

12
src/or/cpuworker.c
View File

@ -412,14 +412,10 @@ process_pending_task(connection_t *cpuworker)
static void
cull_wedged_cpuworkers(void)
{
connection_t **carray;
connection_t *conn;
int n_conns, i;
time_t now = time(NULL);
get_connection_array(&carray, &n_conns);
for (i = 0; i < n_conns; ++i) {
conn = carray[i];
smartlist_t *conns = get_connection_array();
SMARTLIST_FOREACH(conns, connection_t *, conn,
{
if (!conn->marked_for_close &&
conn->type == CONN_TYPE_CPUWORKER &&
conn->state == CPUWORKER_STATE_BUSY_ONION &&
@ -430,7 +426,7 @@ cull_wedged_cpuworkers(void)
num_cpuworkers--;
connection_mark_for_close(conn);
}
}
});
}
/** If cpuworker is defined, assert that he's idle, and use him. Else,

12
src/or/directory.c
View File

@ -1532,19 +1532,15 @@ write_http_response_header(dir_connection_t *conn, ssize_t length,
static int
already_fetching_directory(int purpose)
{
int i, n;
connection_t *conn;
connection_t **carray;
get_connection_array(&carray,&n);
for (i=0;i<n;i++) {
conn = carray[i];
smartlist_t *conns = get_connection_array();
SMARTLIST_FOREACH(conns, connection_t *, conn,
{
if (conn->type == CONN_TYPE_DIR &&
conn->purpose == purpose &&
!conn->marked_for_close &&
!router_digest_is_me(TO_DIR_CONN(conn)->identity_digest))
return 1;
}
});
return 0;
}

81
src/or/main.c
View File

@ -67,10 +67,8 @@ static time_t time_of_last_signewnym = 0;
/** Is there a signewnym request we're currently waiting to handle? */
static int signewnym_is_pending = 0;
/** Array of all open connections. The first n_conns elements are valid. */
/*XXXX020 Should we just use a smartlist here? -NM Sure. -RD */
static connection_t *connection_array[MAXCONNECTIONS+1] =
{ NULL };
/** Smartlist of all open connections. */
static smartlist_t *connection_array = NULL;
/** List of connections that have been marked for close and need to be freed
* and removed from connection_array. */
static smartlist_t *closeable_connection_lst = NULL;
@ -79,8 +77,6 @@ static smartlist_t *active_linked_connection_lst = NULL;
/** DOCDOC */
static int called_loop_once = 0;
static int n_conns=0; /**< Number of connections currently active. */
/** We set this to 1 when we've opened a circuit, so we can print a log
* entry to inform the user that Tor is working. */
int has_completed_circuit=0;
@ -164,13 +160,8 @@ connection_add(connection_t *conn)
tor_assert(conn->s >= 0 || conn->linked);
tor_assert(conn->conn_array_index == -1); /* can only connection_add once */
if (n_conns >= MAXCONNECTIONS) {
log_warn(LD_BUG, "Unable to add a connection; MAXCONNECTIONS is set too "
"low. This is a bug; tell the developers.");
return -1;
}
conn->conn_array_index = n_conns;
connection_array[n_conns] = conn;
conn->conn_array_index = smartlist_len(connection_array);
smartlist_add(connection_array, conn);
conn->read_event = tor_malloc_zero(sizeof(struct event));
conn->write_event = tor_malloc_zero(sizeof(struct event));
@ -179,10 +170,9 @@ connection_add(connection_t *conn)
event_set(conn->write_event, conn->s, EV_WRITE|EV_PERSIST,
conn_write_callback, conn);
n_conns++;
log_debug(LD_NET,"new conn type %s, socket %d, n_conns %d.",
conn_type_to_string(conn->type), conn->s, n_conns);
conn_type_to_string(conn->type), conn->s,
smartlist_len(connection_array));
return 0;
}
@ -195,25 +185,26 @@ int
connection_remove(connection_t *conn)
{
int current_index;
connection_t *tmp;
tor_assert(conn);
tor_assert(n_conns>0);
log_debug(LD_NET,"removing socket %d (type %s), n_conns now %d",
conn->s, conn_type_to_string(conn->type), n_conns-1);
conn->s, conn_type_to_string(conn->type),
smartlist_len(connection_array));
tor_assert(conn->conn_array_index >= 0);
current_index = conn->conn_array_index;
connection_unregister_events(conn); /* This is redundant, but cheap. */
if (current_index == n_conns-1) { /* this is the end */
n_conns--;
if (current_index == smartlist_len(connection_array)-1) { /* at the end */
smartlist_del(connection_array, current_index);
return 0;
}
/* replace this one with the one at the end */
n_conns--;
connection_array[current_index] = connection_array[n_conns];
connection_array[current_index]->conn_array_index = current_index;
smartlist_del(connection_array, current_index);
tmp = smartlist_get(connection_array, current_index);
tmp->conn_array_index = current_index;
return 0;
}
@ -274,23 +265,17 @@ connection_is_on_closeable_list(connection_t *conn)
int
connection_in_array(connection_t *conn)
{
int i;
for (i=0; i<n_conns; ++i) {
if (conn==connection_array[i])
return 1;
}
return 0;
return smartlist_isin(connection_array, conn);
}
/** Set <b>*array</b> to an array of all connections, and <b>*n</b>
* to the length of the array. <b>*array</b> and <b>*n</b> must not
* be modified.
*/
void
get_connection_array(connection_t ***array, int *n)
smartlist_t *
get_connection_array(void)
{
*array = connection_array;
*n = n_conns;
return connection_array;
}
/** Set the event mask on <b>conn</b> to <b>events</b>. (The event
@ -549,7 +534,7 @@ conn_close_if_marked(int i)
connection_t *conn;
int retval;
conn = connection_array[i];
conn = smartlist_get(connection_array, i);
if (!conn->marked_for_close)
return 0; /* nothing to see here, move along */
assert_connection_ok(conn, time(NULL));
@ -687,7 +672,7 @@ static void
run_connection_housekeeping(int i, time_t now)
{
cell_t cell;
connection_t *conn = connection_array[i];
connection_t *conn = smartlist_get(connection_array, i);
or_options_t *options = get_options();
or_connection_t *or_conn;
@ -1015,17 +1000,16 @@ run_scheduled_events(time_t now)
circuit_build_needed_circs(now);
/** 5. We do housekeeping for each connection... */
for (i=0;i<n_conns;i++) {
for (i=0;i<smartlist_len(connection_array);i++) {
run_connection_housekeeping(i, now);
}
if (time_to_shrink_memory < now) {
for (i=0;i<n_conns;i++) {
connection_t *conn = connection_array[i];
if (conn->outbuf)
buf_shrink(conn->outbuf);
if (conn->inbuf)
buf_shrink(conn->inbuf);
}
SMARTLIST_FOREACH(connection_array, connection_t *, conn, {
if (conn->outbuf)
buf_shrink(conn->outbuf);
if (conn->inbuf)
buf_shrink(conn->inbuf);
});
clean_cell_pool();
buf_shrink_freelists();
time_to_shrink_memory = now + MEM_SHRINK_INTERVAL;
@ -1535,15 +1519,14 @@ dumpmemusage(int severity)
static void
dumpstats(int severity)
{
int i;
connection_t *conn;
time_t now = time(NULL);
time_t elapsed;
log(severity, LD_GENERAL, "Dumping stats:");
for (i=0;i<n_conns;i++) {
conn = connection_array[i];
SMARTLIST_FOREACH(connection_array, connection_t *, conn,
{
int i = conn_sl_idx;
log(severity, LD_GENERAL,
"Conn %d (socket %d) type %d (%s), state %d (%s), created %d secs ago",
i, conn->s, conn->type, conn_type_to_string(conn->type),
@ -1568,7 +1551,7 @@ dumpstats(int severity)
}
circuit_dump_by_conn(conn, severity); /* dump info about all the circuits
* using this conn */
}
});
log(severity, LD_NET,
"Cells processed: "U64_FORMAT" padding\n"
" "U64_FORMAT" create\n"
@ -1686,6 +1669,8 @@ tor_init(int argc, char *argv[])
{
char buf[256];
time_of_process_start = time(NULL);
if (!connection_array)
connection_array = smartlist_create();
if (!closeable_connection_lst)
closeable_connection_lst = smartlist_create();
if (!active_linked_connection_lst)

2
src/or/or.h
View File

@ -2676,7 +2676,7 @@ int connection_in_array(connection_t *conn);
void add_connection_to_closeable_list(connection_t *conn);
int connection_is_on_closeable_list(connection_t *conn);
void get_connection_array(connection_t ***array, int *n);
smartlist_t *get_connection_array(void);
void connection_watch_events(connection_t *conn, short events);
int connection_is_reading(connection_t *conn);

18
src/or/rendclient.c
View File

@ -433,17 +433,15 @@ rend_client_desc_here(const char *query)
edge_connection_t *conn;
rend_cache_entry_t *entry;
time_t now = time(NULL);
int i, n_conns;
connection_t **carray;
get_connection_array(&carray, &n_conns);
for (i = 0; i < n_conns; ++i) {
if (carray[i]->type != CONN_TYPE_AP ||
carray[i]->state != AP_CONN_STATE_RENDDESC_WAIT ||
carray[i]->marked_for_close)
smartlist_t *conns = get_connection_array();
SMARTLIST_FOREACH(conns, connection_t *, _conn,
{
if (_conn->type != CONN_TYPE_AP ||
_conn->state != AP_CONN_STATE_RENDDESC_WAIT ||
_conn->marked_for_close)
continue;
conn = TO_EDGE_CONN(carray[i]);
conn = TO_EDGE_CONN(_conn);
if (rend_cmp_service_ids(query, conn->rend_query))
continue;
assert_connection_ok(TO_CONN(conn), now);
@ -470,7 +468,7 @@ rend_client_desc_here(const char *query)
"unavailable (try again later).", safe_str(query));
connection_mark_unattached_ap(conn, END_STREAM_REASON_RESOLVEFAILED);
}
}
});
}
/** Return a newly allocated extend_info_t* for a randomly chosen introduction

10
src/or/routerlist.c
View File

@ -4169,17 +4169,15 @@ list_pending_descriptor_downloads(digestmap_t *result, int extrainfo)
{
const char *prefix = "d/";
size_t p_len = strlen(prefix);
int i, n_conns;
connection_t **carray;
smartlist_t *tmp = smartlist_create();
int purpose =
extrainfo ? DIR_PURPOSE_FETCH_EXTRAINFO : DIR_PURPOSE_FETCH_SERVERDESC;
smartlist_t *conns = get_connection_array();
tor_assert(result);
get_connection_array(&carray, &n_conns);
for (i = 0; i < n_conns; ++i) {
connection_t *conn = carray[i];
SMARTLIST_FOREACH(conns, connection_t *, conn,
{
if (conn->type == CONN_TYPE_DIR &&
conn->purpose == purpose &&
!conn->marked_for_close) {
@ -4188,7 +4186,7 @@ list_pending_descriptor_downloads(digestmap_t *result, int extrainfo)
dir_split_resource_into_fingerprints(resource + p_len,
tmp, NULL, 1, 0);
}
}
});
SMARTLIST_FOREACH(tmp, char *, d,
{
digestmap_set(result, d, (void*)1);