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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <cstring>
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <unistd.h>
#include <netdb.h>
char buf1[] = {0xff, 0xfb, 0x18, 0xff, 0xfb, 0x1f};
char buf2[] = {0xff, 0xfc, 0x20, 0xff, 0xfc, 0x23, 0xff, 0xfb, 0x27};
char buf3[] = {0xff, 0xfa, 0x1f, 0x00, 0x78, 0x00, 0x32, 0xff, 0xf0};
char buf4[] = {0xff, 0xfa, 0x27, 0x00, 0xff, 0xf0, 0xff, 0xfa, 0x18, 0x00, 0x41, 0x4e, 0x53, 0x49, 0xff, 0xf0};
char buf5[] = {0xff, 0xfd, 0x03};
char buf6[] = {0xff, 0xfb, 0x01, 0xff, 0xfe, 0x05, 0xff, 0xfc, 0x21};
char buf7[] = {0xff, 0xfc, 0x01};
char buf8[] = {0xff, 0xfd, 0x01};
void read (int sock)
{
char buffer[256];
/* Now read server response */
memset(buffer, 0, sizeof(buffer));
int n = recv( sock, buffer, 255, 0 );
if (n < 0)
{
perror("ERROR reading from socket");
return;
}
printf("%d bytes received buffer is: %s\n", n, buffer);
for (int i = 0; i < n; i++)
printf("%2x ", buffer[i]);
printf("\n");
}
void mwrite (int sock, char * buf, int size)
{
int n = send( sock, buf, size, 0 );
if (n < 0)
{
perror("ERROR writing to socket");
return;
}
printf("Bytes Sent: %d\n", n);
}
int main(int argc, char *argv[])
{
int sockfd, portno, n;
struct sockaddr_in serv_addr;
struct hostent *server;
char buffer[256];
if (argc < 3) {
fprintf(stderr,"usage %s hostname port\n", argv[0]);
return(0);
}
portno = atoi(argv[2]);
/* Create a socket point */
sockfd = socket(AF_INET, SOCK_STREAM, 0);
if (sockfd < 0)
{
perror("ERROR opening socket");
return(1);
}
server = gethostbyname(argv[1]);
if (server == NULL)
{fprintf(stderr,"ERROR no such host \n");
exit(0);}
//printf("host %s, port %d\n", host.c_str(), portno);
bzero((char *) &serv_addr , sizeof(serv_addr));
serv_addr.sin_family = AF_INET;
bcopy((char *)server->h_addr, (char*)&serv_addr.sin_addr.s_addr, server->h_length);
//serv_addr.sin_addr.s_addr = inet_addr( host.c_str() ); // ( "127.0.0.1" );
serv_addr.sin_port = htons( portno );
/* Now connect to the server */
if (connect( sockfd, (struct sockaddr *) &serv_addr, sizeof(serv_addr) ) < 0)
{
perror("ERROR connecting");
return(1);
}
printf("Please enter the message=");
bzero(buffer,256);
fgets(buffer,255,stdin);
n= write(sockfd,buffer,strlen(buffer));
if(n<0)
printf("ERROR writing in socket %d len %d", n, strlen(buffer));
bzero(buffer,256);
n = read(sockfd, buffer, 255);
if(n<0)
perror("ERROR reading from socket");
printf("%s\n",buffer);
close(sockfd);
return 0;
buffer[0] = 0x0d;
buffer[1] = 0x0a;
mwrite ( sockfd, buffer, 2);
printf("read 1 ");
read(sockfd);
mwrite( sockfd, buf1, sizeof(buf1));
sleep(2);
mwrite( sockfd, buf2, sizeof(buf2));
printf("read 2 ");
read(sockfd);
mwrite( sockfd, buf3, sizeof(buf3));
printf("read 3a ");
read(sockfd);
sleep(2);
mwrite( sockfd, buf4, sizeof(buf4));
printf("read 3b ");
read(sockfd);
mwrite( sockfd, buf5, sizeof(buf5));
sleep(2);
mwrite( sockfd, buf6, sizeof(buf6));
printf("read 4 ");
read(sockfd);
mwrite( sockfd, buf7, sizeof(buf7));
sleep(2);
mwrite( sockfd, buf8, sizeof(buf8));
read(sockfd);
mwrite ( sockfd, buffer, 2);
read(sockfd);
return 0;
}
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