增加HTTP解析层目录结构，增加插件自注册功能。

* 增加HTTP解析层目录结构，集成CMakeLists.txt编译文件；
* 调整编译顺序，先编译插件再编译平台；
* 增加TFE_PLUGIN_REGISTER宏，在TFE启动时自注册插件；
* 修改了stream_open接口，在插件流初始化接口不传入数据。

plugin/protocol/CMakeLists.txt

@@ -0,0 +1 @@
+add_subdirectory(http)

plugin/protocol/http/CMakeLists.txt

@@ -0,0 +1,4 @@
+
+add_library(http src/http.cpp)
+target_link_libraries(http common)
+target_link_libraries(http http-parser-static)

plugin/protocol/http/src/http.cpp

@@ -0,0 +1,79 @@
+#include <MESA/MESA_list_queue.h>
+#include <tfe_stream.h>
+#include <tfe_utils.h>
+#include <tfe_plugin.h>
+#include <tfe_http.h>
+#include <http_parser.h>
+
+extern "C"
+{
+#include <sys/queue.h>
+}
+
+struct http_plugin
+{
+
+};
+
+struct http_plugin __g_http_plugin;
+struct http_plugin * g_http_plugin = &__g_http_plugin;
+
+int http_plugin_init(struct tfe_proxy * proxy)
+{
+	return 0;
+}
+
+void http_plugin_deinit(struct tfe_proxy * proxy)
+{
+	return;
+}
+
+TAILQ_HEAD(http_session_private_list, http_session_private);
+struct http_session_private
+{
+	TAILQ_ENTRY(http_session_private) s_next;
+	struct tfe_http_session s_public;
+};
+
+struct http_connection_private
+{
+	struct layer_addr * layer_addr;
+	struct http_session_private_list session_private_list;
+};
+
+struct http_half_private
+{
+	struct tfe_http_half head;
+};
+
+int http_connection_entry_open(const struct tfe_stream * stream, unsigned int thread_id,
+	enum tfe_conn_dir dir, void ** pme)
+{
+	return 0;
+}
+
+enum tfe_stream_action http_connection_entry_data(const struct tfe_stream * stream, unsigned int thread_id,
+	enum tfe_conn_dir dir, const unsigned char * data, size_t len, void ** pme)
+{
+	return ACTION_FORWARD_DATA;
+}
+
+void http_connection_entry_close(const struct tfe_stream * stream, unsigned int thread_id,
+	enum tfe_stream_close_reason reason, void ** pme)
+{
+
+}
+
+static struct tfe_plugin __http_plugin_info =
+{
+	.symbol = "HTTP",
+	.type = TFE_PLUGIN_TYPE_PROTOCOL,
+	.proto = APP_PROTO_HTTP1,
+	.on_init = http_plugin_init,
+	.on_deinit = http_plugin_deinit,
+	.on_open = http_connection_entry_open,
+	.on_data = http_connection_entry_data,
+	.on_close = http_connection_entry_close
+};
+
+TFE_PLUGIN_REGISTER(HTTP, __http_plugin_info)