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-rw-r--r--src/or/connection.c27
-rw-r--r--src/or/connection.h2
2 files changed, 29 insertions, 0 deletions
diff --git a/src/or/connection.c b/src/or/connection.c
index 80144c4d3..9c6166df3 100644
--- a/src/or/connection.c
+++ b/src/or/connection.c
@@ -3397,6 +3397,33 @@ connection_get_by_type_state_rendquery(int type, int state,
return NULL;
}
+/** Return a directory connection (if any one exists) that is fetching
+ * the item described by <b>state</b>/<b>resource</b> */
+dir_connection_t *
+connection_dir_get_by_purpose_and_resource(int purpose,
+ const char *resource)
+{
+ smartlist_t *conns = get_connection_array();
+
+ SMARTLIST_FOREACH_BEGIN(conns, connection_t *, conn) {
+ dir_connection_t *dirconn;
+ if (conn->type != CONN_TYPE_DIR || conn->marked_for_close ||
+ conn->purpose != purpose)
+ continue;
+ dirconn = TO_DIR_CONN(conn);
+ if (dirconn->requested_resource == NULL) {
+ if (resource == NULL)
+ return dirconn;
+ } else if (resource) {
+ if (0 == strcmp(resource, dirconn->requested_resource))
+ return dirconn;
+ }
+ } SMARTLIST_FOREACH_END(conn);
+
+ return NULL;
+}
+
+
/** Return an open, non-marked connection of a given type and purpose, or NULL
* if no such connection exists. */
connection_t *
diff --git a/src/or/connection.h b/src/or/connection.h
index a40b1a5fb..004ede5d0 100644
--- a/src/or/connection.h
+++ b/src/or/connection.h
@@ -124,6 +124,8 @@ connection_t *connection_get_by_type_addr_port_purpose(int type,
connection_t *connection_get_by_type_state(int type, int state);
connection_t *connection_get_by_type_state_rendquery(int type, int state,
const char *rendquery);
+dir_connection_t *connection_dir_get_by_purpose_and_resource(
+ int state, const char *resource);
#define connection_speaks_cells(conn) ((conn)->type == CONN_TYPE_OR)
int connection_is_listener(connection_t *conn);