From: Andrea Shepard <andrea@torproject.org>
Date: Wed, 26 Sep 2012 19:56:30 +0000 (-0700)
Subject: Implement circuitmux_is_circuit_active(), circuitmux_num_cells_for_circuit(), circuit... 
X-Git-Tag: tor-0.2.4.4-alpha~37^2~46
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=9da04141e23505074d6867e579fea130bbb00964;p=thirdparty%2Ftor.git

Implement circuitmux_is_circuit_active(), circuitmux_num_cells_for_circuit(), circuitmux_num_cells(), circuitmux_num_active_circuits() and circuitmux_num_circuits() in circuitmux.c
---

diff --git a/src/or/circuitmux.c b/src/or/circuitmux.c
index f6cdbf1e56..c6402945c3 100644
--- a/src/or/circuitmux.c
+++ b/src/or/circuitmux.c
@@ -315,6 +315,91 @@ circuitmux_is_circuit_attached(circuitmux_t *cmux, circuit_t *circ)
   return (hashent != NULL);
 }
 
+/**
+ * Query whether a circuit is active on a circuitmux
+ */
+
+int
+circuitmux_is_circuit_active(circuitmux_t *cmux, circuit_t *circ)
+{
+  chanid_circid_muxinfo_t *hashent = NULL;
+  int is_active = 0;
+
+  tor_assert(cmux);
+  tor_assert(circ);
+
+  /* Look if it's in the circuit map */
+  hashent = circuitmux_find_map_entry(cmux, circ);
+  if (hashent) {
+    /* Check the number of cells on this circuit */
+    is_active = (hashent->muxinfo.cell_count > 0);
+  }
+  /* else not attached, so not active */
+
+  return is_active;
+}
+
+/**
+ * Query number of available cells for a circuit on a circuitmux
+ */
+
+unsigned int
+circuitmux_num_cells_for_circuit(circuitmux_t *cmux, circuit_t *circ)
+{
+  chanid_circid_muxinfo_t *hashent = NULL;
+  unsigned int n_cells = 0;
+
+  tor_assert(cmux);
+  tor_assert(circ);
+
+  /* Look if it's in the circuit map */
+  hashent = circuitmux_find_map_entry(cmux, circ);
+  if (hashent) {
+    /* Just get the cell count for this circuit */
+    n_cells = hashent->muxinfo.cell_count;
+  }
+  /* else not attached, so 0 cells */
+
+  return n_cells;
+}
+
+
+/**
+ * Query total number of available cells on a circuitmux
+ */
+
+unsigned int
+circuitmux_num_cells(circuitmux_t *cmux)
+{
+  tor_assert(cmux);
+
+  return cmux->n_cells;
+}
+
+/**
+ * Query total number of circuits active on a circuitmux
+ */
+
+unsigned int
+circuitmux_num_active_circuits(circuitmux_t *cmux)
+{
+  tor_assert(cmux);
+
+  return cmux->n_active_circuits;
+}
+
+/**
+ * Query total number of circuits attached to a circuitmux
+ */
+
+unsigned int
+circuitmux_num_circuits(circuitmux_t *cmux)
+{
+  tor_assert(cmux);
+
+  return cmux->n_circuits;
+}
+
 /*
  * Functions for circuit code to call to update circuit status
  */