[tor-commits] [tor/master] Report circuit build_state flags in CIRC events

[nickm@xxxxxxxxxxxxxx]

commit b7c765b1b196433f38b94353edbc1655f5da1017
Author: Robert Ransom <rransom.8774@xxxxxxxxx>
Date:   Thu Jun 23 14:34:56 2011 -0700

    Report circuit build_state flags in CIRC events
---
 changes/feature2411 |    7 +++++++
 src/or/control.c    |   28 ++++++++++++++++++++++++++++
 2 files changed, 35 insertions(+), 0 deletions(-)

diff --git a/changes/feature2411 b/changes/feature2411
new file mode 100644
index 0000000..b60fbfd
--- /dev/null
+++ b/changes/feature2411
@@ -0,0 +1,7 @@
+  o Minor features:
+
+    - Report flags that control a circuit's path selection to
+      controllers in CIRC events and in replies to 'GETINFO
+      circuit-status'.  Implements part of ticket 2411.
+
+
diff --git a/src/or/control.c b/src/or/control.c
index 7354922..3dda997 100644
--- a/src/or/control.c
+++ b/src/or/control.c
@@ -1795,6 +1795,34 @@ circuit_describe_status_for_controller(origin_circuit_t *circ)
   }
 
   {
+    char *buildflags = NULL;
+    cpath_build_state_t *build_state = circ->build_state;
+    smartlist_t *flaglist = smartlist_create();
+    char *flaglist_joined;
+
+    if (build_state->onehop_tunnel)
+      smartlist_add(flaglist, (void *)"ONEHOP_TUNNEL");
+    if (build_state->is_internal)
+      smartlist_add(flaglist, (void *)"IS_INTERNAL");
+    if (build_state->need_capacity)
+      smartlist_add(flaglist, (void *)"NEED_CAPACITY");
+    if (build_state->need_uptime)
+      smartlist_add(flaglist, (void *)"NEED_UPTIME");
+
+    /* Only emit a BUILD_FLAGS argument if it will have a non-empty value. */
+    if (smartlist_len(flaglist)) {
+      flaglist_joined = smartlist_join_strings(flaglist, ",", 0, NULL);
+
+      tor_asprintf(&buildflags, "BUILD_FLAGS=%s", flaglist_joined);
+      smartlist_add(descparts, buildflags);
+
+      tor_free(flaglist_joined);
+    }
+
+    smartlist_free(flaglist);
+  }
+
+  {
     char *purpose = NULL;
     tor_asprintf(&purpose, "PURPOSE=%s",
                  circuit_purpose_to_controller_string(circ->_base.purpose));



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