Static http server

Good enough to serve the vpp sphinx and doxygen docs. Knows about
html, css, and javascript files.

Change-Id: Ib18c19f07f35f91ba935ea26ed7be406dacf2205
Signed-off-by: Dave Barach <dave@barachs.net>

1 files changed, 152 insertions, 0 deletions

diff --git a/src/plugins/http_static/http_static.c b/src/plugins/http_static/http_static.c
new file mode 100644
index 00000000000..722e4ba3fd3
--- /dev/null
+++ b/src/plugins/http_static/http_static.c
@@ -0,0 +1,152 @@
+/*
+ * http_static.c - skeleton vpp engine plug-in
+ *
+ * Copyright (c) <current-year> <your-organization>
+ * 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 <vnet/vnet.h>
+#include <vnet/plugin/plugin.h>
+#include <http_static/http_static.h>
+
+#include <vlibapi/api.h>
+#include <vlibmemory/api.h>
+#include <vpp/app/version.h>
+
+/* define message IDs */
+#include <http_static/http_static_msg_enum.h>
+
+/* define message structures */
+#define vl_typedefs
+#include <http_static/http_static_all_api_h.h>
+#undef vl_typedefs
+
+/* define generated endian-swappers */
+#define vl_endianfun
+#include <http_static/http_static_all_api_h.h>
+#undef vl_endianfun
+
+/* instantiate all the print functions we know about */
+#define vl_print(handle, ...) vlib_cli_output (handle, __VA_ARGS__)
+#define vl_printfun
+#include <http_static/http_static_all_api_h.h>
+#undef vl_printfun
+
+/* Get the API version number */
+#define vl_api_version(n,v) static u32 api_version=(v);
+#include <http_static/http_static_all_api_h.h>
+#undef vl_api_version
+
+#define REPLY_MSG_ID_BASE hmp->msg_id_base
+#include <vlibapi/api_helper_macros.h>
+
+http_static_main_t http_static_main;
+
+/* List of message types that this plugin understands */
+
+#define foreach_http_static_plugin_api_msg                           \
+_(HTTP_STATIC_ENABLE, http_static_enable)
+
+/* API message handler */
+static void vl_api_http_static_enable_t_handler
+  (vl_api_http_static_enable_t * mp)
+{
+  vl_api_http_static_enable_reply_t *rmp;
+  http_static_main_t *hmp = &http_static_main;
+  int rv;
+
+  mp->uri[ARRAY_LEN (mp->uri) - 1] = 0;
+  mp->www_root[ARRAY_LEN (mp->www_root) - 1] = 0;
+
+  rv = http_static_server_enable_api
+    (ntohl (mp->fifo_size), ntohl (mp->cache_size_limit),
+     ntohl (mp->prealloc_fifos),
+     ntohl (mp->private_segment_size), mp->www_root, mp->uri);
+
+  REPLY_MACRO (VL_API_HTTP_STATIC_ENABLE_REPLY);
+}
+
+/* Set up the API message handling tables */
+static clib_error_t *
+http_static_plugin_api_hookup (vlib_main_t * vm)
+{
+  http_static_main_t *hmp = &http_static_main;
+#define _(N,n)                                                  \
+    vl_msg_api_set_handlers((VL_API_##N + hmp->msg_id_base),     \
+                           #n,					\
+                           vl_api_##n##_t_handler,              \
+                           vl_noop_handler,                     \
+                           vl_api_##n##_t_endian,               \
+                           vl_api_##n##_t_print,                \
+                           sizeof(vl_api_##n##_t), 1);
+  foreach_http_static_plugin_api_msg;
+#undef _
+
+  return 0;
+}
+
+#define vl_msg_name_crc_list
+#include <http_static/http_static_all_api_h.h>
+#undef vl_msg_name_crc_list
+
+static void
+setup_message_id_table (http_static_main_t * hmp, api_main_t * am)
+{
+#define _(id,n,crc)   vl_msg_api_add_msg_name_crc (am, #n  #crc, id + hmp->msg_id_base);
+  foreach_vl_msg_name_crc_http_static;
+#undef _
+}
+
+static clib_error_t *
+http_static_init (vlib_main_t * vm)
+{
+  http_static_main_t *hmp = &http_static_main;
+  clib_error_t *error = 0;
+  u8 *name;
+
+  hmp->vlib_main = vm;
+  hmp->vnet_main = vnet_get_main ();
+
+  name = format (0, "http_static_%08x%c", api_version, 0);
+
+  /* Ask for a correctly-sized block of API message decode slots */
+  hmp->msg_id_base = vl_msg_api_get_msg_ids
+    ((char *) name, VL_MSG_FIRST_AVAILABLE);
+
+  error = http_static_plugin_api_hookup (vm);
+
+  /* Add our API messages to the global name_crc hash table */
+  setup_message_id_table (hmp, &api_main);
+
+  vec_free (name);
+
+  return error;
+}
+
+VLIB_INIT_FUNCTION (http_static_init);
+
+/* *INDENT-OFF* */
+VLIB_PLUGIN_REGISTER () =
+{
+  .version = VPP_BUILD_VER,
+  .description = "http static server plugin"
+};
+/* *INDENT-ON* */
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */