增加简单的HTTP协议插件管理层，基本联通HTTP解析层与业务层插件。

plugin/protocol/http/include/internal/http_common.h

@@ -6,6 +6,7 @@ extern "C"
 }
 
 #include <tfe_http.h>
+#include <http_half.h>
 #include <http_parser.h>
 
 struct http_plugin
@@ -13,12 +14,22 @@ struct http_plugin
 };
 
 TAILQ_HEAD(hs_private_list, http_session_private);
+
+struct http_plugin_status
+{
+
+};
+
 struct http_session_private
 {
+	/* PUBLIC */
 	struct tfe_http_session hs_public;
+	/* TAILQ POINTER */
 	TAILQ_ENTRY(http_session_private) next;
+	/* REF, HTTP CONNECTION */
 	struct http_connection_private * hc_private;
-	struct ht_frame_session_ctx * ht_frame;
+	/* HTTP FRAME CTX */
+	struct http_frame_session_ctx * ht_frame;
 };
 
 struct http_connection_private
@@ -35,79 +46,46 @@ struct http_connection_private
 	unsigned int session_id_counter;
 };
 
-TAILQ_HEAD(http_header_private_list, http_header_private);
-struct http_header_private
-{
-	TAILQ_ENTRY(http_header_private) next;
-	struct http_field_name * field;
-	char * value;
-};
-
-enum hf_private_status
-{
-	STATUS_INIT,
-	STATUS_READING,
-	STATUS_COMPLETE,
-};
-
-struct http_half_private
-{
-	/* PUBLIC STRUCTURE */
-	struct tfe_http_half hf_public;
-	/* SESSION OF THIS REQUEST/RESPONSE */
-	struct http_session_private * session;
-	/* HTTP PARSER */
-	struct http_parser * parse_object;
-	/* HTTP PARSER SETTING */
-	struct http_parser_settings * parse_settings;
-	/* CURSOR RELATED TO DELAYED DATA */
-	size_t parse_cursor;
-	/* HTTP PARSER'S ERRNO */
-	enum http_errno parse_errno;
-	/* HEADER K-V */
-	struct http_header_private_list header_list;
-
-	/* UNDERLAY BUFFER */
-	int method_or_status;
-	short major;
-	short minor;
-
-	struct evbuffer * evbuf_uri;
-	char * underlay_uri;
-	char * underlay_url;
-
-	struct evbuffer * evbuf_header_field;
-	struct evbuffer * evbuf_header_value;
-	struct evbuffer * evbuf_body;
-
-	enum hf_private_status status_header;
-	enum hf_private_status status_body;
-	enum hf_private_status status_message;
-};
-
 static inline struct http_half_private * to_hf_request_private(struct http_session_private * hs_private)
 {
+	if(hs_private == NULL) return NULL;
 	struct tfe_http_half * hf_public = hs_private->hs_public.req;
 	return container_of(hf_public, struct http_half_private, hf_public);
 }
 
 static inline struct http_half_private * to_hf_response_private(struct http_session_private * hs_private)
 {
+	if(hs_private == NULL) return NULL;
 	struct tfe_http_half * hf_public = hs_private->hs_public.resp;
 	return container_of(hf_public, struct http_half_private, hf_public);
 }
 
 static inline struct tfe_http_half * to_hf_public(struct http_half_private * hf_private)
 {
+	if(hf_private == NULL) return NULL;
 	return &hf_private->hf_public;
 }
 
 static inline struct http_half_private * to_hf_private(struct tfe_http_half * hf_public)
 {
+	if(hf_public == NULL) return NULL;
 	return container_of(hf_public, struct http_half_private, hf_public);
 }
 
 static inline const struct http_half_private * to_hf_private(const struct tfe_http_half * hf_public)
 {
+	if(hf_public == NULL) return NULL;
 	return container_of(hf_public, struct http_half_private, hf_public);
 }
+
+static inline const struct tfe_http_session * to_hs_public(const struct http_session_private * hs_private)
+{
+	if (hs_private == NULL) return NULL;
+	return &hs_private->hs_public;
+}
+
+static inline struct http_session_private * to_hs_private(struct tfe_http_session * hs_public)
+{
+	if (hs_public == NULL) return NULL;
+	return container_of(hs_public, struct http_session_private, hs_public);
+}