l2cap.zip_Over Under_bluetooth_bluetooth l2cap_l2cap

#include <stdio.h> #include <unistd.h> #include <sys/socket.h> #include <bluetooth/bluetooth.h> #include <bluetooth/rfcomm.h> int main(int argc, char **argv) { struct sockaddr_rc loc_addr = { 0 }, rem_addr = { 0 }; char buf[1024] = { 0 }; int s, client, bytes_read; unsigned int opt = sizeof(rem_addr); // allocate socket s = socket(AF_BLUETOOTH, SOCK_STREAM, BTPROTO_RFCOMM); // bind socket to port 1 of the first available bluetooth adapter loc_addr.rc_family = AF_BLUETOOTH; loc_addr.rc_bdaddr = *BDADDR_ANY; loc_addr.rc_channel = 1; bind(s, (struct sockaddr *)&loc_addr, sizeof(loc_addr)); // put socket into listening mode listen(s, 1); // accept one connection client = accept(s, (struct sockaddr *)&rem_addr, &opt); ba2str( &rem_addr.rc_bdaddr, buf ); fprintf(stderr, "accepted connection from %s\n", buf); memset(buf, 0, sizeof(buf)); // read data from the client bytes_read = recv(client, buf, sizeof(buf), 0); if( bytes_read > 0 ) { printf("received [%s]\n", buf); } // close connection close(client); close(s); return 0; }