42 lines
1.2 KiB
C
Executable file
42 lines
1.2 KiB
C
Executable file
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#ifndef _MPTCP_HEARTBEAT_H
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#define _MPTCP_HEARTBEAT_H
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/* include headers */
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#include <linux/in.h>
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#include <linux/net.h>
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/* macro */
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#define HEADER_BUFFER_SIZE (52)
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#define LINK_NUM (2) // the total links availiable, currently 2, wifi and cellular
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#define IF_NAME_LIST {"wlan0", "rmnet0"} // if LINK_NUM is changed, this field must be changed accordingly
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/* struct definition */
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typedef struct __heartbeat_header
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{
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// mutp_header heartbeart;
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char cbuffer[HEADER_BUFFER_SIZE];
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} heartbeat_header;
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typedef enum __detection_result
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{
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LINK_OK,
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LINK_BROKEN,
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} detection_result;
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typedef enum __detection_type // argment of function "heartbeat_trigger" may be a combination of the below, eg. 3 means WIFI & LTE
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{
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WIFI_DETECTION = (1<<0),
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LTE_DETECTION = (1<<1),
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} detection_type;
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/* callback definition */
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typedef void (*HEARTBEAT_DETECTION_CALLBACK)(int type, int result);
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/* function declaration */
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void heartbeat_init(struct sockaddr_in* link_addrs, int retry_count);
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void heartbeat_deinit(void);
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void heartbeat_trigger(int type, HEARTBEAT_DETECTION_CALLBACK cb);
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#endif /* _MPTCP_HEARTBEAT_H */
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