1 #ifndef __APP_RELAYBUFFER
2 #define __APP_RELAYBUFFER
3 
4 #include <mtcp_api.h>
5 
6 #define MAX_REP_LEN (10*1024)
7 
8 typedef struct ring_buffer ring_buffer;
9 
10 ring_buffer* InitBuffer(int size);
11 
12 int GetTotSizeRBuffer(ring_buffer* r_buff);
13 int GetDataSizeRBuffer(ring_buffer* r_buff);
14 int GetCumSizeRBuffer(ring_buffer* r_buff);
15 int GetRemainBufferSize(ring_buffer *r_buff);
16 int CheckAvailableSize(ring_buffer *r_buff, int size);
17 
18 u_char* GetDataPoint(ring_buffer* r_buff);
19 u_char* GetInputPoint(ring_buffer *r_buff);
20 
21 int RemoveDataFromBuffer(ring_buffer *r_buff, int size);
22 int AddDataLen(ring_buffer *r_buffer, int size);
23 
24 int CopyData(ring_buffer *dest_buff, ring_buffer *src_buff, int len);
25 int MoveData(ring_buffer *dest_buff, ring_buffer *src_buff, int len);
26 int MoveToREPData(ring_buffer *dest_buff, ring_buffer *src_buff, int len);
27 
28 int MtcpWriteFromBuffer(mctx_t mtcp, int fid, ring_buffer *r_buff);
29 int MtcpReadFromBuffer(mctx_t mtcp, int fid, ring_buffer *r_buff);
30 
31 #endif
32