int main(int argc, char* argv[])
{
//1 初始化Socket库
WSADATA wsa={0};
WSAStartup(MAKEWORD(2,2),&wsa);
//2 使用(TCP/UDP通信)...
UDPClient();
//3 卸载
WSACleanup();
return 0;
}
int main(int argc, char **argv)
{
double ce=0.0, ab=0.0;
struct timeval start, stop;
int totalTime=0;
//使用getopt来获取输入参数
int c;
while ((c = getopt(argc, argv, "p:h:s:n:m:r:i:t:c:")) != EOF)
{
switch (c)
{
case 'i':
printf("Set print mode: %d\n",atoi(optarg));
debug = atoi(optarg);
break;
case 'p':
if (debug == 1)
printf("INFO:udp portnumber: %d\n", atoi(optarg));
i_PortNumbUDP = atoi(optarg);
break;
case 'h':
if (debug == 1)
printf("INFO:hostname: %s\n", optarg);
lp_ServerName = optarg;
break;
case 's':
if (debug == 1)
printf("INFO:packet size: %d\n", atoi(optarg));
i_PktSize = atoi(optarg);
if (i_PktSize > MAX_PKT_SIZE)
i_PktSize = MAX_PKT_SIZE;
break;
case 'n':
if (debug == 1)
printf("INFO:number of packet pair: %d\n", atoi(optarg));
i_PktNumbPP = atoi(optarg);
if (i_PktNumbPP > MAX_PKT_NUM / 2)
i_PktNumbPP = MAX_PKT_NUM / 2;
break;
case 'm':
if (debug == 1)
printf("INFO:length of packet train: %d\n", atoi(optarg));
i_PktNumbPT = atoi(optarg);
if (i_PktNumbPT > MAX_PKT_NUM)
i_PktNumbPT = MAX_PKT_NUM;
break;
case 'r':
if (debug == 1)
printf("INFO:overwrite packet train rate: %d\n", atoi(optarg));
i_rate = atoi(optarg);
break;
case 't':
if (debug == 1)
printf("INFO:overwirte test time: %d\n", atoi(optarg));
test_time = atoi(optarg);
break;
case 'c':
if (debug == 1)
printf("INFO:overwrite test count: %d\n", atoi(optarg));
test_count = atoi(optarg);
break;
case '?':
printf("ERROR: illegal option %s\n", argv[optind-1]);
printf("HELP: -p udp_portnumber -h hostname -s packet_size_bytes -n num_packet_pair -m train_length\n");
exit(1);
break;
default:
printf("ERROR:no handler for option %c\n", c);
if (debug == 1)
printf("INFO:Usage: -p udp_portnumber -h hostname -s packet_size_bytes -n num_packet_pair -m train_length\n");
exit(1);
break;
}
}
// 处理ctrl-C事件，触发后执行CleanUp
signal(SIGINT, CleanUp);
// 初始化TCP、UDP
TCPClient(lp_ServerName, i_PortNumbTCP);
UDPClient(lp_ServerName, i_PortNumbUDP);
// 确定时间精度
ProbeTimer();
for (test_i = 0; test_i<test_count; test_i++)
{
// 记录测量开始时间
gettimeofday(&start, NULL);
//初始化测试时间与测试时长
initTestParam();
ce = PerformEst(PacketPair, i_PktNumbPP, 0);
printf("--Ce = %.2f Mbps\n", ce );
ab = PerformEst (PacketTrain, i_PktNumbPT, ce);
printf("--Ab = %.2f Mbps\n", ab);
// 记录测量停止时间
gettimeofday(&stop, NULL);
totalTime = (stop.tv_sec - start.tv_sec) * 1000000 +
(stop.tv_usec - start.tv_usec);
printf("--Time = %.3f Secs\n\n\n", (totalTime / (float)1000000));
if (test_time != -1 && test_i != test_count - 1)
mySleep(interval - (totalTime / (float)1000000));
}
CleanUp(0);
return 0;
} // end main()
int main(int argc, char *argv[])
{
// Variables declarations and definitions
int i;
int enterOp2 = 0;
int connectionType;
int portNum;
char hostname[128 + 1];
char buffer[128 + 1], operand1[128 + 1], operand2[128 + 1], opcode[128 + 1];
int op1Digit = 0, op2Digit = 0;
// Let the user to enter the connection type
printf("Enter the number of the connection type: (1) TCP or (2) UDP.\n");
printf(PROMPT);
scanf("%d", &connectionType);
// Check the user entered connection type
while(connectionType > 2 || connectionType < 1)
{
printf("Error! Invalid connection type number!\n");
printf(PROMPT);
scanf("%d", &connectionType);
}
// Let the user to enter the hostname
printf("Enter the host name.\n");
printf(PROMPT);
scanf("%s", hostname);
// Check the host
if(connectionType == 1)
{
server = gethostbyname(hostname);
if (server == NULL)
{
perror("Error! No such host!\n");
exit(1);
}
}
else if(connectionType == 2)
{
hp = gethostbyname(hostname);
if (hp == NULL)
{
perror("Error! No such host!\n");
exit(1);
}
}
// Let the user to enter the port number
printf("Enter a port number.\n");
printf(PROMPT);
scanf("%d", &portNum);
// Check the user entered port number
while(portNum < 0 || connectionType > 60000)
{
printf("Error! Invalid connection type number!\n");
printf(PROMPT);
scanf("%d", &connectionType);
}
// Let the user to enter the opcode
printf("Enter a opcode in binary of 7 digits\n");
printf("Enter 0000000 for +\n");
printf("Enter 0000001 for -\n");
printf("Enter 0000010 for *\n");
printf("Enter 0000011 for /\n");
printf(PROMPT);
scanf("%s", opcode);
// Validate the user input opcode
while(strlen(opcode) != 7)
{
printf("Error! Invalid opcode.\n");
printf(PROMPT);
scanf("%s", opcode);
}
for(;;)
{
if(strcmp(opcode, "0000000") == 0)
{
break;
}
else if(strcmp(opcode, "0000001") == 0)
{
break;
}
else if(strcmp(opcode, "0000010") == 0)
{
break;
}
else if(strcmp(opcode, "0000011") == 0)
{
break;
}
else
{
printf("Error! Invalid opcode.\n");
printf(PROMPT);
scanf("%s", opcode);
}
}
// Let the user to enter the first operand
printf("Enter a binary number for the first operand.\n");
printf(PROMPT);
scanf("%s", operand1);
// Validate the user input first operand
while(strlen(operand1) > 8)
{
printf("Error! Invalid first operand.\n");
printf(PROMPT);
scanf("%s", operand1);
}
// Let the user to enter the second operand
printf("Enter a binary number for the second operand.\n");
printf(PROMPT);
scanf("%s", operand2);
// Validate the user input first operand
while(strlen(operand2) > 8)
{
printf("Error! Invalid second operand.\n");
printf(PROMPT);
scanf("%s", operand2);
}
// Compose the packet
// Version
strcpy(buffer, "1");
// Type of Msg
strcat(buffer, "0");
// Length of Msg
strcat(buffer, "35");
// Operand 1
if(strlen(operand1) < OPERAND_DIGIT_SIZE)
{
for(i = 0; i < OPERAND_DIGIT_SIZE - strlen(operand1); i++)
strcat(buffer, "0");
strcat(buffer, operand1);
}
else
strcat(buffer, operand1);
// Operand 2
if(strlen(operand2) < OPERAND_DIGIT_SIZE)
{
for(i = 0; i < OPERAND_DIGIT_SIZE - strlen(operand2); i++)
strcat(buffer, "0");
strcat(buffer, operand2);
}
else
strcat(buffer, operand2);
// Opcode
strcat(buffer, opcode);
printf("%s\n", buffer);
// If user input connection type equals 1, call TCPClient() function
if(connectionType == 1)
{
TCPClient(portNum, server, buffer);
}
// Else if user input connection type equals 2, call UDPClient() function
else if(connectionType == 2)
{
UDPClient(portNum, hp, buffer);
}
return 0;
}