CM Application

/*
 *Obtain CM status with socket!
*/

#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include

#define CM_ip "192.168.100.1"
#define CM_pt 80

/* make sure buf size large enough */
/*
Example : Build_Http_Request("192.168.100.1", "/", buffer);
    Build_Http_Request("192.168.100.1", "/index.php", buffer);
*/
#define Build_Http_Request(server_ip,url,buf) \
do{                 \
 assert((buf)!=NULL);           \
 memset((buf), 0x00, sizeof(buf));        \
 sprintf((buf), "GET ");           \
 strcat((buf), (url));           \
 strcat((buf), " HTTP/1.1\r\n");         \
 strcat((buf), "Host:");           \
 strcat((buf), (server_ip));          \
 strcat((buf), "\r\n");        \
 strcat((buf), "Accept: */*\r\n");        \
 strcat((buf), "User-Agent: Mozilla/4.0(compatible)\r\n");  \
 strcat((buf), "connection:Keep-Alive\r\n");      \
 strcat((buf), "\r\n\r\n");          \
}while(0)

int main(int argc, char *argv[])
{
 int sockfd;
 int readlen = 0;
 char szbuf[4096];
 struct sockaddr_in addr;
 struct hostent *host;

 sockfd = socket(AF_INET,SOCK_STREAM,0);
 if (sockfd<0)
 {
  printf("Open socket failed!\n");
  return 1;
 }

 bzero(&addr,sizeof(struct sockaddr_in));
 addr.sin_family=AF_INET;
 addr.sin_port=htons(CM_pt);
 if (inet_aton(CM_ip,&addr.sin_addr) == 0)
 {
  host = gethostbyname(CM_ip);
  if (host!=NULL)
  {
   printf("Illegal HostName!\n");
   return 1;
  }
  addr.sin_addr=*(struct in_addr *)(host->h_addr_list[0]);
 }
 printf("Connect ip : %d - %s\n", addr.sin_addr, inet_ntoa(addr.sin_addr));

 if (connect(sockfd, (struct sockaddr *)(&addr), sizeof(struct sockaddr) )==-1)
 {
  printf("Connect server failed!\n");
  goto ERROR;
 }

 Build_Http_Request(CM_ip, "/", szbuf);

 if (send(sockfd, szbuf, strlen(szbuf),0) == -1)
 {
  printf("Send data failed!\n");
  goto ERROR;
 }

 printf("\nSend data :\n%s\n",szbuf);
 sleep(1);

RECV:
 memset(szbuf,0x00,2048);
 if ( (readlen=recv(sockfd, szbuf, 4096, 0)) == -1)
 {
  printf("Recv data failed!\n");
  goto ERROR;
 }

 printf("Good : get web sucess :  [%d]\n", readlen);
 printf("%s", szbuf);
 printf("Good : get end!\n"); 
 
 if (readlen > 0)  goto RECV;

ERROR:
 close(sockfd);

 return 0;

}