api: call api reaper callbacks for socket clients

Add a callback to clear the per-client packet trace buffer cache.

Save the packet trace dump pg setup script.

Type: improvement
Signed-off-by: Dave Barach <dave@barachs.net>
Change-Id: I252be911b5f937ece0da5dca152263ece3d52963

2 files changed, 51 insertions, 0 deletions

diff --git a/src/plugins/tracedump/setup.pg b/src/plugins/tracedump/setup.pg
new file mode 100644
index 00000000000..91d5ebe2d2a
--- /dev/null
+++ b/src/plugins/tracedump/setup.pg
@@ -0,0 +1,34 @@
+set term pag off
+
+packet-generator new {
+    name worker0
+    worker 0
+    limit 12
+    rate 1.2e7
+    size 128-128
+    interface local0
+    node ethernet-input
+    data { IP4: 1.2.40 -> 3cfd.fed0.b6c8
+           UDP: 192.168.40.1 - 192.168.40.100 -> 192.168.50.10
+           UDP: 1234 -> 2345
+           incrementing 114
+    }
+}
+
+packet-generator new {
+    name worker1
+    worker 1
+    limit 12
+    rate 1.2e7
+    size 128-128
+    interface local0
+    node ethernet-input
+    data { IP4: 1.2.4 -> 3cfd.fed0.b6c9
+           UDP: 192.168.41.1 - 192.168.41.100 -> 192.168.51.10
+           UDP: 1234 -> 2345
+           incrementing 114
+    }
+}
+
+trace add pg-input 20
+pa en
diff --git a/src/plugins/tracedump/tracedump.c b/src/plugins/tracedump/tracedump.c
index 87e6cf6ac5f..21a0c3d0379 100644
--- a/src/plugins/tracedump/tracedump.c
+++ b/src/plugins/tracedump/tracedump.c
@@ -61,6 +61,23 @@ toss_client_cache (tracedump_main_t * tdmp, u32 client_index,
   tdmp->traces[client_index] = client_trace_cache;
 }
 
+static clib_error_t *
+tracedump_cache_reaper (u32 client_index)
+{
+  tracedump_main_t *tdmp = &tracedump_main;
+  vlib_trace_header_t ***client_trace_cache;
+
+  /* Its likely that we won't have a cache entry */
+  if (client_index >= vec_len (tdmp->traces))
+    return 0;
+
+  client_trace_cache = tdmp->traces[client_index];
+  toss_client_cache (tdmp, client_index, client_trace_cache);
+  return 0;
+}
+
+VL_MSG_API_REAPER_FUNCTION (tracedump_cache_reaper);
+
 /* API message handler */
 static void
 vl_api_trace_dump_t_handler (vl_api_trace_dump_t * mp)