NatBehaviorDiscovery.h

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#ifndef __KINESIS_VIDEO_WEBRTC_ICE_NAT_BEHAVIOR_DISCOVERY__
#define __KINESIS_VIDEO_WEBRTC_ICE_NAT_BEHAVIOR_DISCOVERY__
 
#pragma once
 
#ifdef __cplusplus
extern "C" {
#endif
 
#define DEFAULT_NAT_TEST_MAX_BINDING_REQUEST_COUNT 5
#define DEFAULT_TEST_NAT_TEST_RESPONSE_WAIT_TIME   500 * HUNDREDS_OF_NANOS_IN_A_MILLISECOND
#define NAT_BEHAVIOR_DISCOVER_PROCESS_TEST_COUNT   3
 
#define NAT_BEHAVIOR_NONE_STR                 (PCHAR) "NONE"
#define NAT_BEHAVIOR_NOT_BEHIND_ANY_NAT_STR   (PCHAR) "NOT_BEHIND_ANY_NAT"
#define NAT_BEHAVIOR_NO_UDP_CONNECTIVITY_STR  (PCHAR) "NO_UDP_CONNECTIVITY"
#define NAT_BEHAVIOR_ENDPOINT_INDEPENDENT_STR (PCHAR) "ENDPOINT_INDEPENDENT"
#define NAT_BEHAVIOR_ADDRESS_DEPENDENT_STR    (PCHAR) "ADDRESS_DEPENDENT"
#define NAT_BEHAVIOR_PORT_DEPENDENT_STR       (PCHAR) "PORT_DEPENDENT"
 
typedef struct {
    /* Should be able to contain max number of binding response we can get */
    PStunPacket bindingResponseList[DEFAULT_NAT_TEST_MAX_BINDING_REQUEST_COUNT * (NAT_BEHAVIOR_DISCOVER_PROCESS_TEST_COUNT * 2)];
    UINT32 bindingResponseCount;
    CVAR cvar;
    MUTEX lock;
} NatTestData, *PNatTestData;
 
STATUS natTestIncomingDataHandler(UINT64, PSocketConnection, PBYTE, UINT32, PKvsIpAddress, PKvsIpAddress);
 
STATUS executeNatTest(PStunPacket, PKvsIpAddress, PSocketConnection, UINT32, PNatTestData, PStunPacket*);
 
STATUS getMappAddressAttribute(PStunPacket, PStunAttributeAddress*);
 
STATUS discoverNatMappingBehavior(PIceServer, PNatTestData, PSocketConnection, NAT_BEHAVIOR*);
 
STATUS discoverNatFilteringBehavior(PIceServer, PNatTestData, PSocketConnection, NAT_BEHAVIOR*);
 
#ifdef __cplusplus
}
#endif
#endif /* __KINESIS_VIDEO_WEBRTC_ICE_NAT_BEHAVIOR_DISCOVERY__ */