bool
ATTrie :: retreive(const QString & key, const StemNode** node)
{
if (node == NULL)
return false;
int index;
bool ret= retreive(key,&index);
if (ret)
{
if (*node==NULL)
*node=new const StemNode();
*node=&(database_info.trie_nodes->at(index));
}
return ret;
}
int main(int argc, char *argv[])
{
int sock, n;
unsigned int length;
struct sockaddr_in server, from;
struct hostent *hp;
char buf[50];
short connection_id = -1;
short type = 1;
short status = 0;
char buffer[20];
printf("Enter the path\n"); //enter the remote file path
scanf("%s",buffer);
encode(connection_id,type,status,buffer,buf);
//printf("%s",buf);
if (argc != 3) { printf("Usage: server port\n");
exit(1);
}
sock= socket(AF_INET, SOCK_DGRAM, 0);
if (sock < 0) error("socket");
server.sin_family = AF_INET;
hp = gethostbyname(argv[1]);
if (hp==0) error("Unknown host");
bcopy((char *)hp->h_addr,
(char *)&server.sin_addr,
hp->h_length);
server.sin_port = htons(atoi(argv[2]));
length=sizeof(struct sockaddr_in);
/*printf("Please enter the message: ");
bzero(buffer,256);
fgets(buffer,255,stdin);*/
n=sendto(sock,buf,
strlen(buf),0,(const struct sockaddr *)&server,length);
if (n < 0) error("Sendto");
n = recvfrom(sock,buf,50,0,(struct sockaddr *)&from, &length);
if (n < 0) error("recvfrom");
retreive(buf,&connection_id,&type,&status,buffer);
if(type==2)
{
write(1,"Got REQUEST_ACK: ",17);
write(1,buf,n);
printf("\n");
n = recvfrom(sock,buf,50,0,(struct sockaddr *)&from, &length);
if (n < 0) error("recvfrom");
retreive(buf,&connection_id,&type,&status,buffer);
if(type==3)
{
write(1,"Got DONE: ",10);
write(1,buf,n);
printf("\n");
printf("Sending DONE_ACK\n");
connection_id=14;
type=4;
status=0;
int j=0;
while(buffer[j]!='\0')
{
buffer[j]='0';
j++;
}
encode(connection_id,type,status,buffer,buf);
n=sendto(sock,buf,
strlen(buf),0,(const struct sockaddr *)&server,length);
if (n < 0) error("Sendto");
}
}
close(sock);
return 0;
}
