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#include #include #include #include #include "byte.h" #include "ip.h" #include "socket_if.h" /** @file socket_send.c @author djb, fefe, feh @source ucspi-tcp6 @brief setup sending socket */ int socket_send4(int s,const char *buf,unsigned int len,const char ip[4],uint16 port) { struct sockaddr_in sa; byte_zero(&sa,sizeof(sa)); sa.sin_family = AF_INET; uint16_pack_big((char *)&sa.sin_port,port); byte_copy((char *)&sa.sin_addr,4,ip); return sendto(s,buf,len,0,(struct sockaddr *)&sa,sizeof(sa)); } int socket_send6(int s,const char *buf,unsigned int len,const char ip[16],uint16 port,uint32 scope_id) { struct sockaddr_in6 sa; byte_zero(&sa,sizeof(sa)); sa.sin6_family = AF_INET6; sa.sin6_scope_id = scope_id; uint16_pack_big((char *)&sa.sin6_port,port); byte_copy((char *)&sa.sin6_addr,16,ip); return sendto(s,buf,len,0,(struct sockaddr *)&sa,sizeof(sa)); } int socket_send(int s,const char *buf,unsigned int len,const char ip[16],uint16 port,uint32 scope_id) { if (ip6_isv4mapped(ip)) return socket_send4(s,buf,len,ip + 12,port); else return socket_send6(s,buf,len,ip,port,scope_id); } int socket_broadcast4(int s,const char *buf,unsigned int len,uint16 port) { struct sockaddr_in sa; byte_zero(&sa,sizeof(sa)); sa.sin_family = AF_INET; uint16_pack_big((char *)&sa.sin_port,port); byte_copy((char *)&sa.sin_addr,4,V4broadcast); return sendto(s,buf,len,0,(struct sockaddr *)&sa,sizeof(sa)); }