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vemax78
2013-05-01 14:52:55 +02:00
commit 7dd6d43954
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src/common/capwap_network.h Normal file
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#ifndef __CAPWAP_NETWORK_HEADER__
#define __CAPWAP_NETWORK_HEADER__
#include "capwap_array.h"
#include "capwap_list.h"
/* Standard Configuration */
#define CAPWAP_CONTROL_PORT 5246
#define CAPWAP_MAX_PACKET_SIZE 65535
#define CAPWAP_MACADDRESS_NONE 0
#define CAPWAP_MACADDRESS_EUI48 6
#define CAPWAP_MACADDRESS_EUI64 8
#define CAPWAP_MACADDRESS_MAX_SIZE CAPWAP_MACADDRESS_EUI64
/* Helper */
#define CAPWAP_GET_NETWORK_PORT(address) ntohs((((address)->ss_family == AF_INET) ? ((struct sockaddr_in*)(address))->sin_port : ((struct sockaddr_in6*)(address))->sin6_port))
#define CAPWAP_SET_NETWORK_PORT(address, port) if ((address)->ss_family == AF_INET) { \
((struct sockaddr_in*)(address))->sin_port = htons(port); \
} else if ((address)->ss_family == AF_INET6) { \
((struct sockaddr_in6*)(address))->sin6_port = htons(port); \
}
/* */
#define CAPWAP_MAX_SOCKETS 4
#define CAPWAP_SOCKET_IPV4_UDP 0
#define CAPWAP_SOCKET_IPV4_UDPLITE 1
#define CAPWAP_SOCKET_IPV6_UDP 2
#define CAPWAP_SOCKET_IPV6_UDPLITE 3
/* */
#define CAPWAP_RECV_ERROR_SOCKET -1
#define CAPWAP_RECV_ERROR_TIMEOUT -2
#define CAPWAP_RECV_ERROR_INTR -3
/* Socket Flags */
#define CAPWAP_IPV6ONLY_FLAG 0x00000001
/* Network struct */
struct capwap_network {
int sock_family; /* Address family used by the server. */
unsigned short bind_sock_ctrl_port; /* Port number to listen control protocol. */
char bind_interface[IFNAMSIZ];
int sock_ctrl[CAPWAP_MAX_SOCKETS];
int bind_ctrl_flags;
int sock_data[CAPWAP_MAX_SOCKETS];
int bind_data_flags;
};
#define CAPWAP_SOCKET_UDP 0
#define CAPWAP_SOCKET_UDPLITE 1
/* Network socket */
struct capwap_socket {
int type;
int family;
int socket[2];
int isctrlsocket;
};
void capwap_network_init(struct capwap_network* net);
int capwap_network_set_pollfd(struct capwap_network* net, struct pollfd* fds, int fdscount);
void capwap_interface_list(struct capwap_network* net, struct capwap_list* list);
int capwap_get_macaddress_from_interface(const char* interface, char* macaddress);
#define CAPWAP_DATA_SOCKET 0
#define CAPWAP_CTRL_SOCKET 1
int capwap_get_socket(struct capwap_network* net, int socketfamily, int socketprotocol, int isctrlsocket);
void capwap_get_network_socket(struct capwap_network* net, struct capwap_socket* sock, int fd);
int capwap_bind_sockets(struct capwap_network* net);
void capwap_close_sockets(struct capwap_network* net);
int capwap_compare_ip(struct sockaddr_storage* addr1, struct sockaddr_storage* addr2);
int capwap_sendto(int sock, void* buffer, int size, struct sockaddr_storage* sendfromaddr, struct sockaddr_storage* sendtoaddr);
int capwap_recvfrom(struct pollfd* fds, int fdscount, void* buffer, int* size, struct sockaddr_storage* recvfromaddr, struct sockaddr_storage* recvtoaddr, struct timeout_control* timeout);
int capwap_ipv4_mapped_ipv6(struct sockaddr_storage* source, struct sockaddr_storage* dest);
int capwap_address_from_string(const char* ip, struct sockaddr_storage* address);
int capwap_get_localaddress_by_remoteaddress(struct sockaddr_storage* local, struct sockaddr_storage* remote, char* oif, int ipv6dualstack);
#endif /* __CAPWAP_NETWORK_HEADER__ */