Reorganize source tree to use single autotools instance

Change-Id: I7b51f88292e057c6443b12224486f2d0c9f8ae23
Signed-off-by: Damjan Marion <damarion@cisco.com>

1 files changed, 283 insertions, 0 deletions

diff --git a/src/vlibmemory/memory_client.c b/src/vlibmemory/memory_client.c
new file mode 100644
index 00000000000..234a0a5a330
--- /dev/null
+++ b/src/vlibmemory/memory_client.c
@@ -0,0 +1,283 @@
+/*
+ *------------------------------------------------------------------
+ * memory_client.c - API message handling, client code.
+ *
+ * Copyright (c) 2010 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 <stdio.h>
+#include <stdlib.h>
+#include <setjmp.h>
+#include <sys/types.h>
+#include <sys/mman.h>
+#include <sys/stat.h>
+#include <netinet/in.h>
+#include <signal.h>
+#include <pthread.h>
+#include <unistd.h>
+#include <time.h>
+#include <fcntl.h>
+#include <string.h>
+#include <vppinfra/clib.h>
+#include <vppinfra/vec.h>
+#include <vppinfra/hash.h>
+#include <vppinfra/bitmap.h>
+#include <vppinfra/fifo.h>
+#include <vppinfra/time.h>
+#include <vppinfra/mheap.h>
+#include <vppinfra/heap.h>
+#include <vppinfra/pool.h>
+#include <vppinfra/format.h>
+
+#include <vlib/vlib.h>
+#include <vlib/unix/unix.h>
+#include <vlibmemory/api.h>
+
+#include <vlibmemory/vl_memory_msg_enum.h>
+
+#define vl_typedefs		/* define message structures */
+#include <vlibmemory/vl_memory_api_h.h>
+#undef vl_typedefs
+
+#define vl_endianfun		/* define message structures */
+#include <vlibmemory/vl_memory_api_h.h>
+#undef vl_endianfun
+
+/* instantiate all the print functions we know about */
+#define vl_print(handle, ...) clib_warning (__VA_ARGS__)
+#define vl_printfun
+#include <vlibmemory/vl_memory_api_h.h>
+#undef vl_printfun
+
+typedef struct
+{
+  u8 rx_thread_jmpbuf_valid;
+  u8 connected_to_vlib;
+  jmp_buf rx_thread_jmpbuf;
+  pthread_t rx_thread_handle;
+  /* Plugin message base lookup scheme */
+  volatile u8 first_msg_id_reply_ready;
+  u16 first_msg_id_reply;
+} memory_client_main_t;
+
+memory_client_main_t memory_client_main;
+
+static void *
+rx_thread_fn (void *arg)
+{
+  unix_shared_memory_queue_t *q;
+  memory_client_main_t *mm = &memory_client_main;
+  api_main_t *am = &api_main;
+
+  q = am->vl_input_queue;
+
+  /* So we can make the rx thread terminate cleanly */
+  if (setjmp (mm->rx_thread_jmpbuf) == 0)
+    {
+      mm->rx_thread_jmpbuf_valid = 1;
+      while (1)
+	{
+	  vl_msg_api_queue_handler (q);
+	}
+    }
+  pthread_exit (0);
+}
+
+static void
+vl_api_rx_thread_exit_t_handler (vl_api_rx_thread_exit_t * mp)
+{
+  memory_client_main_t *mm = &memory_client_main;
+  vl_msg_api_free (mp);
+  longjmp (mm->rx_thread_jmpbuf, 1);
+}
+
+static void
+noop_handler (void *notused)
+{
+}
+
+#define foreach_api_msg						\
+_(RX_THREAD_EXIT, rx_thread_exit)
+
+static int
+connect_to_vlib_internal (char *svm_name, char *client_name,
+			  int rx_queue_size, int want_pthread)
+{
+  int rv = 0;
+  memory_client_main_t *mm = &memory_client_main;
+
+  if ((rv = vl_client_api_map (svm_name)))
+    {
+      clib_warning ("vl_client_api map rv %d", rv);
+      return rv;
+    }
+
+#define _(N,n)                                                  \
+    vl_msg_api_set_handlers(VL_API_##N, #n,                     \
+                            vl_api_##n##_t_handler,             \
+                            noop_handler,                       \
+                            vl_api_##n##_t_endian,              \
+                            vl_api_##n##_t_print,               \
+                            sizeof(vl_api_##n##_t), 1);
+  foreach_api_msg;
+#undef _
+
+  if (vl_client_connect (client_name, 0 /* punt quota */ ,
+			 rx_queue_size /* input queue */ ) < 0)
+    {
+      vl_client_api_unmap ();
+      return -1;
+    }
+
+  /* Start the rx queue thread */
+
+  if (want_pthread)
+    {
+      rv = pthread_create (&mm->rx_thread_handle,
+			   NULL /*attr */ , rx_thread_fn, 0);
+      if (rv)
+	clib_warning ("pthread_create returned %d", rv);
+    }
+
+  mm->connected_to_vlib = 1;
+  return 0;
+}
+
+int
+vl_client_connect_to_vlib (char *svm_name, char *client_name,
+			   int rx_queue_size)
+{
+  return connect_to_vlib_internal (svm_name, client_name, rx_queue_size,
+				   1 /* want pthread */ );
+}
+
+int
+vl_client_connect_to_vlib_no_rx_pthread (char *svm_name, char *client_name,
+					 int rx_queue_size)
+{
+  return connect_to_vlib_internal (svm_name, client_name, rx_queue_size,
+				   0 /* want pthread */ );
+}
+
+void
+vl_client_disconnect_from_vlib (void)
+{
+  memory_client_main_t *mm = &memory_client_main;
+  api_main_t *am = &api_main;
+  uword junk;
+
+  if (mm->rx_thread_jmpbuf_valid)
+    {
+      vl_api_rx_thread_exit_t *ep;
+      ep = vl_msg_api_alloc (sizeof (*ep));
+      ep->_vl_msg_id = ntohs (VL_API_RX_THREAD_EXIT);
+      vl_msg_api_send_shmem (am->vl_input_queue, (u8 *) & ep);
+      pthread_join (mm->rx_thread_handle, (void **) &junk);
+    }
+  if (mm->connected_to_vlib)
+    {
+      vl_client_disconnect ();
+      vl_client_api_unmap ();
+    }
+  memset (mm, 0, sizeof (*mm));
+}
+
+static void vl_api_get_first_msg_id_reply_t_handler
+  (vl_api_get_first_msg_id_reply_t * mp)
+{
+  memory_client_main_t *mm = &memory_client_main;
+  i32 retval = ntohl (mp->retval);
+
+  mm->first_msg_id_reply = (retval >= 0) ? ntohs (mp->first_msg_id) : ~0;
+  mm->first_msg_id_reply_ready = 1;
+}
+
+u16
+vl_client_get_first_plugin_msg_id (char *plugin_name)
+{
+  vl_api_get_first_msg_id_t *mp;
+  api_main_t *am = &api_main;
+  memory_client_main_t *mm = &memory_client_main;
+  f64 timeout;
+  void *old_handler;
+  clib_time_t clib_time;
+  u16 rv = ~0;
+
+  if (strlen (plugin_name) + 1 > sizeof (mp->name))
+    return (rv);
+
+  memset (&clib_time, 0, sizeof (clib_time));
+  clib_time_init (&clib_time);
+
+  /* Push this plugin's first_msg_id_reply handler */
+  old_handler = am->msg_handlers[VL_API_GET_FIRST_MSG_ID_REPLY];
+  am->msg_handlers[VL_API_GET_FIRST_MSG_ID_REPLY] = (void *)
+    vl_api_get_first_msg_id_reply_t_handler;
+
+  /* Ask the data-plane for the message-ID base of the indicated plugin */
+  mm->first_msg_id_reply_ready = 0;
+
+  mp = vl_msg_api_alloc (sizeof (*mp));
+  memset (mp, 0, sizeof (*mp));
+  mp->_vl_msg_id = ntohs (VL_API_GET_FIRST_MSG_ID);
+  mp->client_index = am->my_client_index;
+  strncpy ((char *) mp->name, plugin_name, sizeof (mp->name) - 1);
+
+  vl_msg_api_send_shmem (am->shmem_hdr->vl_input_queue, (u8 *) & mp);
+
+  /* Synchronously wait for the answer */
+  do
+    {
+      timeout = clib_time_now (&clib_time) + 1.0;
+
+      while (clib_time_now (&clib_time) < timeout)
+	{
+	  if (mm->first_msg_id_reply_ready == 1)
+	    {
+	      rv = mm->first_msg_id_reply;
+	      goto result;
+	    }
+	}
+      /* Restore old handler */
+      am->msg_handlers[VL_API_GET_FIRST_MSG_ID_REPLY] = old_handler;
+
+      return rv;
+    }
+  while (0);
+
+result:
+
+  /* Restore the old handler */
+  am->msg_handlers[VL_API_GET_FIRST_MSG_ID_REPLY] = old_handler;
+
+  if (rv == (u16) ~ 0)
+    clib_warning ("plugin '%s' not registered", plugin_name);
+
+  return rv;
+}
+
+void
+vlib_node_sync_stats (vlib_main_t * vm, vlib_node_t * n)
+{
+  clib_warning ("STUB called...");
+}
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */