*由于git rebase冲突删除原tfe-new-http2分支

*提交包括http2数据替换，转发，截断，缓存代码
*合并最新develop-tfe3a后，http2验证代码提交
*http2重构验证代码提交
*http2添加br压缩解压缩接口和测试用例
*http2定时删除session信息代码提交
*修复bug，访问二级链接时由于nghttp2库收到control ping后，自发control ping包
造成链接断开后重连现象
*修复bug, 链接建立后服务端优先发送control包,未处理此数据包，造成页面访问失败

plugin/protocol/http2/include/internal/http2_common.h

@@ -0,0 +1,85 @@
+/*************************************************************************
+	> File Name: http2_common.h
+	> Author:
+	> Mail:
+	> Created Time: 2018年09月21日 星期五 13时59分12秒
+ ************************************************************************/
+
+#ifndef _HTTP2_STRING_H
+#define _HTTP2_STRING_H
+
+#include <zlib.h>
+#include <sys/queue.h>
+#include <brotli/encode.h>
+#include <brotli/decode.h>
+#include <http2_stream.h>
+
+typedef struct RTLogInit2Data_ {
+	int run_log_level;
+
+	char run_log_path[256];
+
+	void *run_log_handle;
+} RTLogInit2Data;
+
+typedef struct Http2Plugin_{
+	struct event * event[TFE_THREAD_MAX];
+    struct tfe_session_info_t session_info[TFE_THREAD_MAX];
+} Http2Plugin;
+
+typedef enum {
+	NGHTTP2_METHOD_DELETE   = 0,
+	NGHTTP2_METHOD_GET      = 1,
+	NGHTTP2_METHOD_HEAD     = 2,
+	NGHTTP2_METHOD_POST     = 3,
+	NGHTTP2_METHOD_PUT      = 4,
+	NGHTTP2_METHOD_CONNECT	= 5,
+	NGHTTP2_METHOD_UNKNOWN,
+}nghttp2_method;
+
+struct value_string {
+    unsigned int value;
+    const char *strptr;
+};
+
+const char*
+val_to_str(unsigned int val, const struct value_string *vs);
+
+int
+str_to_val(const char *val, const struct value_string *vs);
+
+#define BV(x) (1 << x)
+#define HTTP2_CONTENT_ENCODING_NONE					0
+#define HTTP2_CONTENT_ENCODING_GZIP     			BV(1)
+#define HTTP2_CONTENT_ENCODING_DEFLATE  			BV(2)
+#define HTTP2_CONTENT_ENCODING_COMPRESS 			BV(3)
+#define HTTP2_CONTENT_ENCODING_BZIP2    		    BV(4)
+#define HTTP2_CONTENT_ENCODING_X_GZIP   		    BV(5)
+#define HTTP2_CONTENT_ENCODING_X_BZIP2  			BV(6)
+#define HTTP2_CONTENT_ENCODING_BR					BV(7)
+
+struct z_stream_st{
+    int gip;
+    z_stream zst;
+    int8_t finished;
+    BrotliDecoderState *brdec_state;
+    BrotliEncoderState *brenc_state;
+};
+
+RTLogInit2Data *rt_log_data();
+
+Http2Plugin *http2_plugin();
+
+int inflate_read(const uint8_t *source,int len,char **dest, int *outlen,
+				 struct z_stream_st **strm, int encode);
+
+int deflate_write(struct z_stream_st **strm, const uint8_t *source,
+					 int slen, struct evbuffer * evbuf, int gzip, int end);
+
+void inflate_finished(struct z_stream_st **strm);
+
+void deflate_finished(struct z_stream_st **strm);
+
+void frame_display(const uint8_t *payload, uint16_t payload_len);
+
+#endif