Initial commit of vpp code.v1.0.0

Change-Id: Ib246f1fbfce93274020ee93ce461e3d8bd8b9f17
Signed-off-by: Ed Warnicke <eaw@cisco.com>

1 files changed, 385 insertions, 0 deletions

diff --git a/vlib/example/main_stub.c b/vlib/example/main_stub.c
new file mode 100644
index 00000000000..4213d912acd
--- /dev/null
+++ b/vlib/example/main_stub.c
@@ -0,0 +1,385 @@
+/*
+ * Copyright (c) 2015 Cisco and/or its affiliates.
+ * 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 <vlib/vlib.h>
+#include <vlib/unix/unix.h>
+#include <math.h>
+
+int main (int argc, char * argv[])
+{
+  return vlib_unix_main (argc, argv);
+}
+
+static clib_error_t *
+main_stub_init (vlib_main_t * vm)
+{
+  clib_error_t * error;
+
+  if ((error = unix_physmem_init (vm, /* fail_if_physical_memory_not_present */ 0)))
+    return error;
+
+ if ((error = vlib_call_init_function (vm, unix_cli_init)))
+   return error;
+
+ return error;
+}
+
+VLIB_INIT_FUNCTION (main_stub_init);
+
+#if 0
+/* Node test code. */
+typedef struct {
+  int scalar;
+  int vector[0];
+} my_frame_t;
+
+static u8 * format_my_node_frame (u8 * s, va_list * va)
+{
+  vlib_frame_t * f = va_arg (*va, vlib_frame_t *);
+  my_frame_t * g = vlib_frame_args (f);
+  int i;
+
+  s = format (s, "scalar %d, vector { ", g->scalar);
+  for (i = 0; i < f->n_vectors; i++)
+    s = format (s, "%d, ", g->vector[i]);
+  s = format (s, " }");
+
+  return s;
+}
+
+static uword
+my_func (vlib_main_t * vm,
+	 vlib_node_runtime_t * rt,
+	 vlib_frame_t * f)
+{
+  vlib_node_t * node;
+  my_frame_t * y;
+  u32 i, n_left = 0;
+  static int serial;
+  int verbose;
+
+  node = vlib_get_node (vm, rt->node_index);
+
+  verbose = 0;
+
+  if (verbose && f)
+    vlib_cli_output (vm, "%v: call frame %p %U", node->name,
+		     f, format_my_node_frame, f);
+
+  if (rt->n_next_nodes > 0)
+    {
+      vlib_frame_t * next = vlib_get_next_frame (vm, rt, /* next index */ 0);
+      n_left = VLIB_FRAME_SIZE - next->n_vectors;
+      y = vlib_frame_args (next);
+      y->scalar = serial++;
+    }
+  else
+    y = 0;
+
+  for (i = 0; i < 5; i++)
+    {
+      if (y)
+	{
+	  ASSERT (n_left > 0);
+	  n_left--;
+	  y->vector[i] = y->scalar + i;
+	}
+    }
+  if (y)
+    vlib_put_next_frame (vm, rt, /* next index */ 0, n_left);
+
+  if (verbose)
+    vlib_cli_output (vm, "%v: return frame %p", node->name, f);
+
+  return i;
+}
+
+VLIB_REGISTER_NODE (my_node1,static) = {
+  .function = my_func,
+  .type = VLIB_NODE_TYPE_INPUT,
+  .name = "my-node1",
+  .scalar_size = sizeof (my_frame_t),
+  .vector_size = STRUCT_SIZE_OF (my_frame_t, vector[0]),
+  .n_next_nodes = 1,
+  .next_nodes = {
+    [0] = "my-node2",
+  },
+};
+
+VLIB_REGISTER_NODE (my_node2,static) = {
+  .function = my_func,
+  .name = "my-node2",
+  .scalar_size = sizeof (my_frame_t),
+  .vector_size = STRUCT_SIZE_OF (my_frame_t, vector[0]),
+};
+
+#endif
+
+#if 0
+
+typedef enum {
+  MY_EVENT_TYPE1,
+  MY_EVENT_TYPE2,
+} my_process_completion_type_t;
+
+typedef struct {
+  int a;
+  f64 b;
+} my_process_event_data_t;
+
+static u8 * format_my_process_event_data (u8 * s, va_list * va)
+{
+  my_process_event_data_t * d = va_arg (*va, my_process_event_data_t *);
+  return format (s, "{ a %d b %.6f}", d->a, d->b);
+}
+
+static uword
+my_proc (vlib_main_t * vm,
+	 vlib_node_runtime_t * rt,
+	 vlib_frame_t * f)
+{
+  vlib_node_t * node;
+  u32 i;
+
+  node = vlib_get_node (vm, rt->node_index);
+
+  vlib_cli_output (vm, "%v: call frame %p", node->name, f);
+
+  for (i = 0; i < 5; i++)
+    {
+      vlib_cli_output (vm, "%v: %d", node->name, i);
+      vlib_process_suspend (vm, 1e0 /* secs */);
+    }
+
+  vlib_cli_output (vm, "%v: return frame %p", node->name, f);
+
+  if (0)
+    {
+      uword n_events_seen, type, * data = 0;
+
+      for (n_events_seen = 0; n_events_seen < 2;)
+	{
+	  vlib_process_wait_for_event (vm);
+	  type = vlib_process_get_events (vm, &data);
+	  n_events_seen += vec_len (data);
+	  vlib_cli_output (vm, "%U %v: completion #%d type %d data 0x%wx",
+			   format_time_interval, "h:m:s:u", vlib_time_now (vm),
+			   node->name, i, type, data[0]);
+	  _vec_len (data) = 0;
+	}
+
+      vec_free (data);
+    }
+  else
+    {
+      uword n_events_seen, i, type;
+      my_process_event_data_t * data;
+      for (n_events_seen = 0; n_events_seen < 2;)
+	{
+	  vlib_process_wait_for_event (vm);
+	  data = vlib_process_get_event_data (vm, &type);
+	  vec_foreach_index (i, data) {
+	    vlib_cli_output (vm, "%U event type %d data %U",
+			     format_time_interval, "h:m:s:u", vlib_time_now (vm),
+			     type, format_my_process_event_data, data);
+	  }
+	  n_events_seen += vec_len (data);
+	  vlib_process_put_event_data (vm, data);
+	}
+    }
+
+  return i;
+}
+
+VLIB_REGISTER_NODE (my_proc_node,static) = {
+  .function = my_proc,
+  .type = VLIB_NODE_TYPE_PROCESS,
+  .name = "my-proc",
+};
+
+static uword
+my_proc_input (vlib_main_t * vm,
+	       vlib_node_runtime_t * rt,
+	       vlib_frame_t * f)
+{
+  static int i;
+
+  if (i++ < 2)
+    {
+      if (0)
+	vlib_process_signal_event (vm, my_proc_node.index,
+				   i == 1 ? MY_EVENT_TYPE1 : MY_EVENT_TYPE2,
+				   0x12340000 + i);
+      else
+	{
+	  my_process_event_data_t * d;
+	  f64 dt = 5;
+	  d = vlib_process_signal_event_at_time (vm,
+						 i * dt,
+						 my_proc_node.index,
+						 i == 1 ? MY_EVENT_TYPE1 : MY_EVENT_TYPE2,
+						 1 /* elts */,
+						 sizeof (d[0]));
+	  d->a = i;
+	  d->b = vlib_time_now (vm);
+	}
+    }
+  else
+    vlib_node_set_state (vm, rt->node_index, VLIB_NODE_STATE_DISABLED);
+
+  return 0; 
+}
+
+VLIB_REGISTER_NODE (my_proc_input_node,static) = {
+  .function = my_proc_input,
+  .type = VLIB_NODE_TYPE_INPUT,
+  .name = "my-proc-input",
+};
+
+static uword _unformat_farith (unformat_input_t * i, va_list * args)
+{
+  u32 prec = va_arg (*args, u32);
+  f64 * result = va_arg (*args, f64 *);
+  f64 tmp[2];
+
+  /* Binary operations in from lowest to highest precedence. */
+  char * binops[] = {
+    "+%U", "-%U", "/%U", "*%U", "^%U",
+  };
+
+  if (prec <= ARRAY_LEN (binops) - 1
+      && unformat_user (i, _unformat_farith, prec + 1, &tmp[0]))
+    {
+      int p;
+      for (p = prec; p < ARRAY_LEN (binops); p++)
+	{
+	  if (unformat (i, binops[p],
+			_unformat_farith, prec + 0, &tmp[1]))
+	    {
+	      switch (binops[p][0])
+		{
+		case '+': result[0] = tmp[0] + tmp[1]; break;
+		case '-': result[0] = tmp[0] - tmp[1]; break;
+		case '/': result[0] = tmp[0] / tmp[1]; break;
+		case '*': result[0] = tmp[0] * tmp[1]; break;
+		case '^': result[0] = pow (tmp[0], tmp[1]); break;
+		default: abort ();
+		}
+	      return 1;
+	    }
+	}
+      result[0] = tmp[0];
+      return 1;
+    }
+
+  else if (unformat (i, "-%U",
+		     _unformat_farith, prec + 0, &tmp[0]))
+    {
+      result[0] = -tmp[0];
+      return 1;
+    }
+
+  else if (unformat (i, "(%U)",
+		     _unformat_farith, 0, &tmp[0]))
+    {
+      result[0] = tmp[0];
+      return 1;
+    }
+
+  else if (unformat (i, "%f", result))
+    return 1;
+
+  else
+    return 0;
+}
+
+static uword unformat_farith (unformat_input_t * i, va_list * args)
+{
+  CLIB_UNUSED (vlib_main_t * vm) = va_arg (*args, vlib_main_t *);
+  f64 * result = va_arg (*args, f64 *);
+  return unformat_user (i, _unformat_farith, 0, result);
+}
+
+static uword unformat_integer (unformat_input_t * i, va_list * args)
+{
+  CLIB_UNUSED (vlib_main_t * vm) = va_arg (*args, vlib_main_t *);
+  u32 * data = va_arg (*args, u32 *);
+  return unformat (i, "%d", data);
+}
+
+static VLIB_CLI_PARSE_RULE (my_parse_rule1) = {
+  .name = "decimal_integer",
+  .short_help = "a decimal integer",
+  .unformat_function = unformat_integer,
+  .data_size = sizeof (u32),
+};
+
+static VLIB_CLI_PARSE_RULE (my_parse_rule2) = {
+  .name = "float_expression",
+  .short_help = "floating point expression",
+  .unformat_function = unformat_farith,
+  .data_size = sizeof (f64),
+};
+
+static clib_error_t *
+bar_command (vlib_main_t * vm,
+	     unformat_input_t * input,
+	     vlib_cli_command_t * cmd)
+{
+  switch (cmd->function_arg)
+    {
+    case 2: {
+      u32 * d, * e;
+      d = vlib_cli_get_parse_rule_result (vm, 0);
+      e = vlib_cli_get_parse_rule_result (vm, 1);
+      vlib_cli_output (vm, "bar2 %d %d", d[0], e[0]);
+      break;
+    }
+
+    case 1: {
+      u32 * d = vlib_cli_get_parse_rule_result (vm, 0);
+      vlib_cli_output (vm, "bar1 %d", d[0]);
+      break;
+    }
+
+    case 3: {
+      f64 * d = vlib_cli_get_parse_rule_result (vm, 0);
+      vlib_cli_output (vm, "expr %.6f", d[0]);
+    }
+    }
+
+  return 0;
+}
+
+VLIB_CLI_COMMAND (bar_command2, static) = {
+  .path = "bar %decimal_integer",
+  .short_help = "bar1 command",
+  .function = bar_command,
+  .function_arg = 1,
+};
+VLIB_CLI_COMMAND (bar_command1, static) = {
+  .path = "bar %decimal_integer %decimal_integer",
+  .short_help = "bar2 command",
+  .function = bar_command,
+  .function_arg = 2,
+};
+VLIB_CLI_COMMAND (bar_command3, static) = {
+  .path = "zap %float_expression",
+  .short_help = "bar3 command",
+  .function = bar_command,
+  .function_arg = 3,
+};
+
+#endif
+