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-rw-r--r--src/plugins/tracedump/graph_cli.c148
1 files changed, 148 insertions, 0 deletions
diff --git a/src/plugins/tracedump/graph_cli.c b/src/plugins/tracedump/graph_cli.c
new file mode 100644
index 00000000000..2440295a1a7
--- /dev/null
+++ b/src/plugins/tracedump/graph_cli.c
@@ -0,0 +1,148 @@
+/* Hey Emacs use -*- mode: C -*- */
+/*
+ * Copyright 2020 Rubicon Communications, LLC.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <sys/socket.h>
+#include <linux/if.h>
+
+#include <vnet/vnet.h>
+#include <vnet/plugin/plugin.h>
+
+#include <vlibapi/api.h>
+#include <vlibmemory/api.h>
+#include <vpp/app/version.h>
+#include <vnet/format_fns.h>
+
+#include <tracedump/graph.h>
+#include <tracedump/graph.api_enum.h>
+#include <tracedump/graph.api_types.h>
+
+static void graph_node_print (vlib_main_t *vm, vlib_node_t *n, bool want_arcs)
+{
+ vlib_cli_output (vm, "Node (%4d): %v, Flags: 0x%x\n",
+ n->index, n->name, n->flags);
+ if (!want_arcs)
+ return;
+
+ int i;
+ int n_arcs = vec_len (n->next_nodes);
+ for (i = 0; i < n_arcs; ++i)
+ {
+ vlib_cli_output (vm, " next: %d\n", n->next_nodes[i]);
+ }
+}
+
+
+static int
+node_cmp (void *a1, void *a2)
+{
+ vlib_node_t **n1 = a1;
+ vlib_node_t **n2 = a2;
+
+ return vec_cmp (n1[0]->name, n2[0]->name);
+}
+
+static clib_error_t *
+graph_node_show_cmd (vlib_main_t * vm,
+ unformat_input_t * input, vlib_cli_command_t * cmd)
+{
+ vlib_node_main_t *nm = &vm->node_main;
+ vlib_node_t *n;
+ u32 index;
+ u8 *name;
+ u32 flags;
+ bool want_arcs;
+
+ index = ~0;
+ name = 0;
+ flags = 0;
+ want_arcs = false;
+ n = 0;
+
+ while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat (input, "node %d", &index))
+ n = vlib_get_node (vm, index);
+ else if (unformat (input, "node %v", &name))
+ n = vlib_get_node_by_name (vm, name);
+
+ else if (unformat (input, "want_arcs"))
+ want_arcs = true;
+
+ else if (unformat (input, "trace_supported"))
+ flags |= NODE_FLAG_TRACE_SUPPORTED;
+ else if (unformat (input, "input"))
+ flags |= NODE_FLAG_TRACE_SUPPORTED;
+ else if (unformat (input, "drop"))
+ flags |= NODE_FLAG_IS_DROP;
+ else if (unformat (input, "output"))
+ flags |= NODE_FLAG_IS_OUTPUT;
+ else if (unformat (input, "punt"))
+ flags |= NODE_FLAG_IS_PUNT;
+ else if (unformat (input, "handoff"))
+ flags |= NODE_FLAG_IS_HANDOFF;
+ else if (unformat (input, "no_free"))
+ flags |= NODE_FLAG_FRAME_NO_FREE_AFTER_DISPATCH;
+ else if (unformat (input, "polling"))
+ flags |= NODE_FLAG_SWITCH_FROM_INTERRUPT_TO_POLLING_MODE;
+ else if (unformat (input, "interrupt"))
+ flags |= NODE_FLAG_SWITCH_FROM_POLLING_TO_INTERRUPT_MODE;
+
+ else
+ return clib_error_return (0, "unknown input '%U'",
+ format_unformat_error, input);
+ }
+
+ /*
+ * Just one node requested? Ignore flags.
+ */
+ if (n) {
+ graph_node_print (vm, n, want_arcs);
+ return 0;
+ }
+
+ vlib_node_t **nodes = vec_dup (nm->nodes);
+ uword i;
+
+ vec_sort_with_function (nodes, node_cmp);
+
+ for (i = 0; i < vec_len (nodes); ++i)
+ {
+ if (flags == 0 || (flags & nodes[i]->flags))
+ {
+ graph_node_print (vm, nodes[i], want_arcs);
+ }
+ }
+
+ vec_free (nodes);
+
+ return 0;
+}
+
+/* *INDENT-OFF* */
+VLIB_CLI_COMMAND (graph_node_show_command, static) = {
+ .path = "show graph",
+ .short_help = "show graph [node <index>|<name>] [want_arcs] [input|trace_supported] [drop] [output] [punt] [handoff] [no_free] [polling] [interrupt]",
+ .function = graph_node_show_cmd,
+};
+/* *INDENT-ON* */
+
+
+/*
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */