Reorganize source tree to use single autotools instance

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

1 files changed, 232 insertions, 0 deletions

diff --git a/src/vlib/unix/unix.h b/src/vlib/unix/unix.h
new file mode 100644
index 00000000000..ea0d417b2b1
--- /dev/null
+++ b/src/vlib/unix/unix.h
@@ -0,0 +1,232 @@
+/*
+ * 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.
+ */
+/*
+ * unix.h: Unix specific main state
+ *
+ * Copyright (c) 2008 Eliot Dresselhaus
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ *  EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ *  MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ *  NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+ *  LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+ *  OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+ *  WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#ifndef included_unix_unix_h
+#define included_unix_unix_h
+
+#include <vppinfra/socket.h>
+#include <termios.h>
+
+struct unix_file;
+typedef clib_error_t *(unix_file_function_t) (struct unix_file * f);
+
+typedef struct unix_file
+{
+  /* Unix file descriptor from open/socket. */
+  u32 file_descriptor;
+
+  u32 flags;
+#define UNIX_FILE_DATA_AVAILABLE_TO_WRITE (1 << 0)
+#define UNIX_FILE_EVENT_EDGE_TRIGGERED   (1 << 1)
+
+  /* Data available for function's use. */
+  uword private_data;
+
+  /* Functions to be called when read/write data becomes ready. */
+  unix_file_function_t *read_function, *write_function, *error_function;
+} unix_file_t;
+
+typedef struct
+{
+  f64 time;
+  clib_error_t *error;
+} unix_error_history_t;
+
+typedef enum
+{
+  UNIX_FILE_UPDATE_ADD,
+  UNIX_FILE_UPDATE_MODIFY,
+  UNIX_FILE_UPDATE_DELETE,
+} unix_file_update_type_t;
+
+typedef struct
+{
+  /* Back pointer to main structure. */
+  vlib_main_t *vlib_main;
+
+  u32 flags;
+  /* Run interactively or as daemon (background process). */
+#define UNIX_FLAG_INTERACTIVE (1 << 0)
+#define UNIX_FLAG_NODAEMON (1 << 1)
+
+  /* Pool of files to poll for input/output. */
+  unix_file_t *file_pool;
+
+  /* CLI listen socket. */
+  clib_socket_t cli_listen_socket;
+
+  void (*file_update) (unix_file_t * file,
+		       unix_file_update_type_t update_type);
+
+  /* Circular buffer of last unix errors. */
+  unix_error_history_t error_history[128];
+  u32 error_history_index;
+  u64 n_total_errors;
+
+  /* startup-config filename */
+  u8 *startup_config_filename;
+
+  /* unix config complete */
+  volatile int unix_config_complete;
+
+  /* CLI log file. GIGO. */
+  u8 *log_filename;
+  int log_fd;
+
+  /* Don't put CLI connections into character mode */
+  int cli_line_mode;
+
+  /* Maximum amount of command line history to keep per session */
+  u32 cli_history_limit;
+
+  /* Suppress the welcome banner at CLI session start */
+  int cli_no_banner;
+
+  /* Maximum pager buffer size */
+  u32 cli_pager_buffer_limit;
+
+  /* Suppress the pager */
+  int cli_no_pager;
+
+  /* Store the original state of stdin when it's a tty */
+  struct termios tio_stdin;
+  int tio_isset;
+} unix_main_t;
+
+/* Global main structure. */
+extern unix_main_t unix_main;
+
+always_inline uword
+unix_file_add (unix_main_t * um, unix_file_t * template)
+{
+  unix_file_t *f;
+  pool_get (um->file_pool, f);
+  f[0] = template[0];
+  um->file_update (f, UNIX_FILE_UPDATE_ADD);
+  return f - um->file_pool;
+}
+
+always_inline void
+unix_file_del (unix_main_t * um, unix_file_t * f)
+{
+  um->file_update (f, UNIX_FILE_UPDATE_DELETE);
+  close (f->file_descriptor);
+  f->file_descriptor = ~0;
+  pool_put (um->file_pool, f);
+}
+
+always_inline uword
+unix_file_set_data_available_to_write (u32 unix_file_index,
+				       uword is_available)
+{
+  unix_file_t *uf = pool_elt_at_index (unix_main.file_pool, unix_file_index);
+  uword was_available = (uf->flags & UNIX_FILE_DATA_AVAILABLE_TO_WRITE);
+  if ((was_available != 0) != (is_available != 0))
+    {
+      uf->flags ^= UNIX_FILE_DATA_AVAILABLE_TO_WRITE;
+      unix_main.file_update (uf, UNIX_FILE_UPDATE_MODIFY);
+    }
+  return was_available != 0;
+}
+
+always_inline void
+unix_save_error (unix_main_t * um, clib_error_t * error)
+{
+  unix_error_history_t *eh = um->error_history + um->error_history_index;
+  clib_error_free_vector (eh->error);
+  eh->error = error;
+  eh->time = vlib_time_now (um->vlib_main);
+  um->n_total_errors += 1;
+  if (++um->error_history_index >= ARRAY_LEN (um->error_history))
+    um->error_history_index = 0;
+}
+
+/* Main function for Unix VLIB. */
+int vlib_unix_main (int argc, char *argv[]);
+
+/* Call to allocate/initialize physical DMA memory subsystem.
+   This is not an init function so that users can explicitly enable/disable
+   physmem when its not needed. */
+clib_error_t *unix_physmem_init (vlib_main_t * vm,
+				 int fail_if_physical_memory_not_present);
+
+static inline int
+unix_physmem_is_fake (vlib_main_t * vm)
+{
+  vlib_physmem_main_t *vpm = &vm->physmem_main;
+  return vpm->is_fake;
+}
+
+/* Set prompt for CLI. */
+void vlib_unix_cli_set_prompt (char *prompt);
+
+static inline unix_main_t *
+vlib_unix_get_main (void)
+{
+  return &unix_main;
+}
+
+/* thread stack array; vec_len = max number of threads */
+extern u8 **vlib_thread_stacks;
+
+/* utils */
+
+clib_error_t *vlib_sysfs_write (char *file_name, char *fmt, ...);
+
+clib_error_t *vlib_sysfs_read (char *file_name, char *fmt, ...);
+
+u8 *vlib_sysfs_link_to_name (char *link);
+
+int vlib_sysfs_get_free_hugepages (unsigned int numa_node, int page_size);
+
+clib_error_t *foreach_directory_file (char *dir_name,
+				      clib_error_t * (*f) (void *arg,
+							   u8 * path_name,
+							   u8 * file_name),
+				      void *arg, int scan_dirs);
+
+#endif /* included_unix_unix_h */
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */