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, 241 insertions, 0 deletions

diff --git a/src/plugins/http_static/http_static_test.c b/src/plugins/http_static/http_static_test.c
new file mode 100644
index 00000000000..0a24ce55d6a
--- /dev/null
+++ b/src/plugins/http_static/http_static_test.c
@@ -0,0 +1,241 @@
+/*
+ * http_static.c - skeleton vpp-api-test 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 <vat/vat.h>
+#include <vlibapi/api.h>
+#include <vlibmemory/api.h>
+#include <vppinfra/error.h>
+
+uword unformat_sw_if_index (unformat_input_t * input, va_list * args);
+
+/* Declare 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
+
+/* declare message handlers for each api */
+
+#define vl_endianfun		/* define message structures */
+#include <http_static/http_static_all_api_h.h>
+#undef vl_endianfun
+
+/* instantiate all the print functions we know about */
+#define vl_print(handle, ...)
+#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
+
+
+typedef struct
+{
+  /* API message ID base */
+  u16 msg_id_base;
+  vat_main_t *vat_main;
+} http_static_test_main_t;
+
+http_static_test_main_t http_static_test_main;
+
+#define __plugin_msg_base http_static_test_main.msg_id_base
+#include <vlibapi/vat_helper_macros.h>
+
+#define foreach_standard_reply_retval_handler   \
+_(http_static_enable_reply)
+
+#define _(n)                                            \
+    static void vl_api_##n##_t_handler                  \
+    (vl_api_##n##_t * mp)                               \
+    {                                                   \
+        vat_main_t * vam = http_static_test_main.vat_main;   \
+        i32 retval = ntohl(mp->retval);                 \
+        if (vam->async_mode) {                          \
+            vam->async_errors += (retval < 0);          \
+        } else {                                        \
+            vam->retval = retval;                       \
+            vam->result_ready = 1;                      \
+        }                                               \
+    }
+foreach_standard_reply_retval_handler;
+#undef _
+
+/*
+ * Table of message reply handlers, must include boilerplate handlers
+ * we just generated
+ */
+#define foreach_vpe_api_reply_msg                       \
+_(HTTP_STATIC_ENABLE_REPLY, http_static_enable_reply)
+
+
+static int
+api_http_static_enable (vat_main_t * vam)
+{
+  unformat_input_t *line_input = vam->input;
+  vl_api_http_static_enable_t *mp;
+  u64 tmp;
+  u8 *www_root = 0;
+  u8 *uri = 0;
+  u32 prealloc_fifos = 0;
+  u32 private_segment_size = 0;
+  u32 fifo_size = 8 << 10;
+  u32 cache_size_limit = 1 << 20;
+  int ret;
+
+  /* Parse args required to build the message */
+  while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
+    {
+      if (unformat (line_input, "www-root %s", &www_root))
+	;
+      else if (unformat (line_input, "prealloc-fifos %d", &prealloc_fifos))
+	;
+      else if (unformat (line_input, "private-segment-size %U",
+			 unformat_memory_size, &tmp))
+	{
+	  if (tmp >= 0x100000000ULL)
+	    {
+	      errmsg ("private segment size %llu, too large", tmp);
+	      return -99;
+	    }
+	  private_segment_size = (u32) tmp;
+	}
+      else if (unformat (line_input, "fifo-size %U", unformat_memory_size,
+			 &tmp))
+	{
+	  fifo_size = (u32) tmp;
+	}
+      else if (unformat (line_input, "cache-size %U", unformat_memory_size,
+			 &tmp))
+	{
+	  if (tmp < (128ULL << 10))
+	    {
+	      errmsg ("cache-size must be at least 128kb");
+	      return -99;
+	    }
+	  cache_size_limit = (u32) tmp;
+	}
+
+      else if (unformat (line_input, "uri %s", &uri))
+	;
+      else
+	{
+	  errmsg ("unknown input `%U'", format_unformat_error, line_input);
+	  return -99;
+	}
+    }
+
+  if (www_root == 0)
+    {
+      errmsg ("Must specify www-root");
+      return -99;
+    }
+
+  if (www_root == 0)
+    {
+      errmsg ("Must specify www-root");
+      return -99;
+    }
+
+  if (uri == 0)
+    uri = format (0, "tcp://0.0.0.0/80%c", 0);
+
+
+
+  /* Construct the API message */
+  M (HTTP_STATIC_ENABLE, mp);
+  clib_strncpy ((char *) mp->www_root, (char *) www_root,
+		ARRAY_LEN (mp->www_root) - 1);
+  clib_strncpy ((char *) mp->uri, (char *) uri, ARRAY_LEN (mp->uri) - 1);
+  mp->fifo_size = ntohl (fifo_size);
+  mp->cache_size_limit = ntohl (cache_size_limit);
+  mp->prealloc_fifos = ntohl (prealloc_fifos);
+  mp->private_segment_size = ntohl (private_segment_size);
+
+  /* send it... */
+  S (mp);
+
+  /* Wait for a reply... */
+  W (ret);
+  return ret;
+}
+
+/*
+ * List of messages that the api test plugin sends,
+ * and that the data plane plugin processes
+ */
+#define foreach_vpe_api_msg                                             \
+_(http_static_enable, "www-root <path> [prealloc-fios <nn>]\n"          \
+"[private-segment-size <nnMG>] [fifo-size <nbytes>] [uri <uri>]\n")
+
+static void
+http_static_api_hookup (vat_main_t * vam)
+{
+  http_static_test_main_t *htmp = &http_static_test_main;
+  /* Hook up handlers for replies from the data plane plug-in */
+#define _(N,n)                                                  \
+    vl_msg_api_set_handlers((VL_API_##N + htmp->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_vpe_api_reply_msg;
+#undef _
+
+  /* API messages we can send */
+#define _(n,h) hash_set_mem (vam->function_by_name, #n, api_##n);
+  foreach_vpe_api_msg;
+#undef _
+
+  /* Help strings */
+#define _(n,h) hash_set_mem (vam->help_by_name, #n, h);
+  foreach_vpe_api_msg;
+#undef _
+}
+
+clib_error_t *
+vat_plugin_register (vat_main_t * vam)
+{
+  http_static_test_main_t *htmp = &http_static_test_main;
+  u8 *name;
+
+  htmp->vat_main = vam;
+
+  /* Ask the vpp engine for the first assigned message-id */
+  name = format (0, "http_static_%08x%c", api_version, 0);
+  htmp->msg_id_base = vl_client_get_first_plugin_msg_id ((char *) name);
+
+  if (htmp->msg_id_base != (u16) ~ 0)
+    http_static_api_hookup (vam);
+
+  vec_free (name);
+
+  return 0;
+}
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */