55name.sin_family= AF_INET;
56/* htons() converts a
57name.sin_port= htons(atoi(argv[2]));
58
59/* Construct message, including Serial Adapter header. */
60buf[0]= DATA1;
61buf[3]= 0x1b;
62dataLength= strlen(DATA);
63networkDataLength= htons(dataLength);
64memcpy(&buf[1], (char *)&networkDataLength, sizeof(short));
65strcpy(&buf[4], DATA);
66printf(“%s\n”, &buf[4]);
67
68/* Repeatedly send message to serial adapter */
69for(i=0; i< 10; i++)
70{
71sleep(1);
72/* Sendto() parameters:
731. Local socket which will handle the data.
742. Pointer to buffer containing data to be sent.
753. Number of bytes of data to be sent.
764. Flags (ex. MSG_OOB for TCP urgent data)
775. Destination IP address and port number.
786. Length of data structure containing destination
79IP Address/port info.
80*/
81if(sendto(sock, buf, dataLength+4, 0,
82 | (struct sockaddr *)&name, sizeof(name)) < 0) |
83 | perror(“Sending datagram message”); |
84npackets++;
85if (!(npackets % 1000))
86 | printf(“%ld packets sent\n”, npackets); |
87}
88close(sock);
89exit(0);
90
91
99
