Prepare circuitbuild.[ch] and config.[ch] for SIGHUPs.

* Create mark/sweep functions for transports.
* Create a transport_resolve_conflicts() function that tries to
  resolve conflicts when registering transports.

1 files changed, 8 insertions, 0 deletions

diff --git a/src/or/circuitbuild.h b/src/or/circuitbuild.h
index 92449b45c2..10e72879e6 100644
--- a/src/or/circuitbuild.h
+++ b/src/or/circuitbuild.h
@@ -22,6 +22,9 @@ typedef struct {
   tor_addr_t addr;
   /** Port of proxy */
   uint16_t port;
+  /** Boolean: We are re-parsing our transport list, and we are going to remove
+   * this one if we don't find it in the list of configured transports. */
+  unsigned marked_for_removal : 1;
 } transport_t;
 
 char *circuit_list_path(origin_circuit_t *circ, int verbose);
@@ -77,6 +80,9 @@ int getinfo_helper_entry_guards(control_connection_t *conn,
 
 void mark_bridge_list(void);
 void sweep_bridge_list(void);
+void mark_transport_list(void);
+void sweep_transport_list(void);
+
 int routerinfo_is_a_configured_bridge(const routerinfo_t *ri);
 int node_is_a_configured_bridge(const node_t *node);
 void learned_router_identity(const tor_addr_t *addr, uint16_t port,
@@ -149,6 +155,8 @@ transport_t *transport_create(const tor_addr_t *addr, uint16_t port,
 
 int find_transport_by_bridge_addrport(const tor_addr_t *addr, uint16_t port,
                                       const transport_t **transport);
+transport_t *transport_get_by_name(const char *name);
+
 void validate_pluggable_transports_config(void);
 
 #endif