void _set_block(
Chunk *chunks, int chunk_count,
int p, int q, int x, int y, int z, int w, int post)
{
Chunk *chunk = find_chunk(chunks, chunk_count, p, q);
if (chunk) {
Map *map = &chunk->map;
map_set(map, x, y, z, w);
chunk->dirty = 1;
}
db_insert_block(p, q, x, y, z, w);
if (post) {
client_block(p, q, x, y, z, w);
}
}
void set_block(
Chunk *chunks, int chunk_count,
int x, int y, int z, int w)
{
int p = chunked(x);
int q = chunked(z);
_set_block(chunks, chunk_count, p, q, x, y, z, w);
if (chunked(x - 1) != p) {
_set_block(chunks, chunk_count, p - 1, q, x, y, z, -w);
}
if (chunked(x + 1) != p) {
_set_block(chunks, chunk_count, p + 1, q, x, y, z, -w);
}
if (chunked(z - 1) != q) {
_set_block(chunks, chunk_count, p, q - 1, x, y, z, -w);
}
if (chunked(z + 1) != q) {
_set_block(chunks, chunk_count, p, q + 1, x, y, z, -w);
}
client_block(x, y, z, w);
}
/**
* Determines the command to be executed by parsing the user input
* @param String entered by the user
*/
void comm_process(char *comm_line){
char *comm_args[257]; //Stores tokenized arguments of the input command
char temp[999]; //Create a copy of entered command line value
int i=0,j; //Counter
unsigned int arguments=0; //Stores no of command line arguments
//Set all elements of temp array to '\0'
memset((char *)&temp,'\0',sizeof(temp));
//Set all elements of char array to '\0'
memset((char *)&comm_args,'\0',sizeof(comm_args));
//Copy input string
strcpy(temp,comm_line);
//Extract command from the user entered string
comm_args[0]=strtok(comm_line," ");
//printf("\nDEBUG: comm_args[0] is : %s",comm_args[0]);
//Extract arguments
while(comm_args[i]){
comm_args[++i]=strtok(NULL," ");
//printf("\nDEBUG: comm_args[%D] : %s",i,comm_args[i]);
if(i==5 || comm_args[i]==NULL)
{
arguments=i-1;
break;
}
//vprintf("\nDEBUG: comm_args[%d] is :%s",i,comm_args[i]);
}
comm_line=temp;
//Common commands
if (strncmp("AUTHOR",comm_args[0],sizeof("AUTHOR")-1)==0 && arguments==0)
{
success(comm_args[0]);
cse4589_print_and_log("I, alizisha, have read and understood the course academic integrity policy.\n");
end_(comm_args[0]);
}
else if( strncmp("PORT",comm_args[0],sizeof("PORT")-1)==0 && arguments==0 && isLoggedIn==TRUE)
{
if(my_port>=0 && my_port<=65536){
success(comm_args[0]);
cse4589_print_and_log("PORT:%d\n", my_port);
}else{
error_(comm_args[0]);
}
end_(comm_args[0]);
}
else if( strncmp("IP",comm_args[0],sizeof("IP")-1)==0 && arguments==0 && isLoggedIn==TRUE)
{
if(getPublicIP()>=0){
success(comm_args[0]);
cse4589_print_and_log("IP:%s\n", my_ip);
}else{
error_(comm_args[0]);
}
end_(comm_args[0]);
}
else if( strncmp("LIST",comm_args[0],sizeof("LIST")-1)==0 && arguments==0 && isLoggedIn==TRUE)
{
char *ip_addr=(char *)calloc(INET_ADDRSTRLEN+1,sizeof(char));
char *host_name=(char *)calloc(50,sizeof(char));
int list_id;
if(mode==CLIENT)
{
success(comm_args[0]);
for(i=0,list_id=1;i<=3;i++)
{
if(clients[i].port!=NOT_CONNECTED)
{
//printf("\nDEBUG: 1");
memset(host_name,'\0',50);
memset(ip_addr,'\0',INET_ADDRSTRLEN+1);
//printf("\nDEBUG: 2");
//printf("\nIP before ntop is: %d",clients[i].ip);
inet_ntop(AF_INET,&(clients[i].ip),ip_addr,INET_ADDRSTRLEN);
//printf("\nDEBUG: 3");
get_name(host_name,clients[i].ip);
//printf("\nDEBUG: 4");
cse4589_print_and_log("%-5d%-35s%-20s%-8d\n", list_id++, host_name, ip_addr, clients[i].port);
//printf("\nDEBUG: 5");
}
}
}else if(mode==SERVER)
{
success(comm_args[0]);
//memset(host_name,'\0',50);
//memset(ip_addr,'\0',INET_ADDRSTRLEN+1);
/*
for(i=0,j=1;i<=3;i++,j++)
printf("\n%d\tIP: %d\tPort: %d",j,client_list[i].nodeinfo.ip,client_list[i].nodeinfo.port);
fflush(stdout);*/
for(i=0,list_id=1;i<=3;i++)
{
if(client_list[i].isOnline==TRUE)
{
memset(host_name,'\0',50);
memset(ip_addr,'\0',INET_ADDRSTRLEN+1);
//printf("\nDEBUG: 2");
inet_ntop(AF_INET,&(client_list[i].nodeinfo.ip),ip_addr,INET_ADDRSTRLEN);
//printf("\nDEBUG: 3");
get_name(host_name,client_list[i].nodeinfo.ip);
//printf("\nDEBUG: 4");
cse4589_print_and_log("%-5d%-35s%-20s%-8d\n", list_id++, host_name, ip_addr, client_list[i].nodeinfo.port);
}
}
/*
printf("\nAfter listing!");
for(i=0,j=1;i<=3;i++,j++)
printf("\n%d\tIP: %d\tPort: %d",j,client_list[i].nodeinfo.ip,client_list[i].nodeinfo.port);
fflush(stdout);
*/
}else
{
error_(comm_args[0]);
}
free(ip_addr);
free(host_name);
end_(comm_args[0]);
}
else if( strncmp("EXIT",comm_args[0],sizeof("EXIT")-1)==0 && arguments==0)
{
//Insert method to logout
success(comm_args[0]);
end_(comm_args[0]);
exit(0);
}
//Server Commands
else if( strncmp("STATISTICS",comm_args[0],sizeof("STATISTICS")-1)==0 && arguments==0 && mode==SERVER)
{
success(comm_args[0]);
serv_stats();
end_(comm_args[0]);
}
else if( strncmp("BLOCKED",comm_args[0],sizeof("BLOCKED")-1)==0 && arguments==1 && mode==SERVER)
{
command_blocked(comm_args[1]);
end_(comm_args[0]);
}
//Client Commands
else if( strncmp("BLOCK",comm_args[0],sizeof("BLOCK")-1)==0 && arguments==1 && mode==CLIENT && isLoggedIn==TRUE
&& strncmp("BLOCKED",comm_args[0],sizeof("BLOCKED")-1)!=0)
{
//printf("\nDEBUG: Extracted IP is : %s",comm_args[1]);
//fflush(stdout);
if(client_block(comm_args[1])==TRUE)
{
success(comm_args[0]);
}else
{
error_(comm_args[0]);
}
end_(comm_args[0]);
}
else if( strncmp("LOGIN",comm_args[0],sizeof("LOGIN")-1)==0 && arguments==2 && mode==CLIENT &&isLoggedIn==FALSE )
{
if(client_login(comm_args[1],atoi(comm_args[2]))==TRUE)
{
success(comm_args[0]);
isLoggedIn=TRUE;
isLoggedOut=FALSE;
FD_SET(client_sock, &master); //Add client_socket to client's master FD list
//FD_SET(client_sock, &read_fds);
if(client_sock>fdmax)
fdmax=client_sock;
//printf("\nDebug: Client_socket successfully added to list!");
//fflush(stdout);
}else
{
error_(comm_args[0]);
}
end_(comm_args[0]);
}
else if( strncmp("REFRESH",comm_args[0],sizeof("REFRESH")-1)==0 && arguments==0 && mode==CLIENT && isLoggedIn==TRUE)
{
int i,list_id;
char *ip_addr=(char *)calloc(INET_ADDRSTRLEN+1,sizeof(char));
char *host_name=(char *)calloc(50,sizeof(char));
if(client_refresh()==TRUE)
{
success(comm_args[0]);
for(i=0,list_id=1;i<=3;i++)
{
if(clients[i].port!=NOT_CONNECTED)
{
//printf("\nDEBUG: 1");
memset(host_name,'\0',50);
memset(ip_addr,'\0',INET_ADDRSTRLEN+1);
//printf("\nDEBUG: 2");
//printf("\nIP before ntop is: %d",clients[i].ip);
inet_ntop(AF_INET,&(clients[i].ip),ip_addr,INET_ADDRSTRLEN);
//printf("\nDEBUG: 3");
get_name(host_name,clients[i].ip);
//printf("\nDEBUG: 4");
cse4589_print_and_log("%-5d%-35s%-20s%-8d\n", list_id++, host_name, ip_addr, clients[i].port);
//printf("\nDEBUG: 5");
}
}
}
else{
error_(comm_args[0]);
}
free(ip_addr);
free(host_name);
end_(comm_args[0]);
}
else if( strncmp("SEND",comm_args[0],sizeof("SEND")-1)==0 && isLoggedIn==TRUE&& mode==CLIENT && arguments>=2)
{
char *ip,*msg;//comm_args[1];
strtok(comm_line," ");
ip=strtok(NULL," ");
msg=strtok(NULL,"\n");
if(send_message_client(ip,msg)==TRUE)
{
success(comm_args[0]);
}else
{
error_(comm_args[0]);
}
end_(comm_args[0]);
}
else if( strncmp("BROADCAST",comm_args[0],sizeof("BROADCAST")-1)==0 && isLoggedIn==TRUE && mode==CLIENT &&arguments>=1)
{
char *msg;
/* Extract message from the entire command */
strtok(comm_line," "); //Separate command string
msg=strtok(NULL,"\n");
if(send_broadcast(msg)==TRUE)
success(comm_args[0]);
else
error_(comm_args[0]);
end_(comm_args[0]);
}
else if( strncmp("UNBLOCK",comm_args[0],sizeof("UNBLOCK")-1)==0 && arguments==1 && mode==CLIENT && isLoggedIn==TRUE)
{
if(client_unblock(comm_args[1])==TRUE)
{
success(comm_args[0]);
}else{
error_(comm_args[0]);
}
end_(comm_args[0]);
}
else if( strncmp("LOGOUT",comm_args[0],sizeof("LOGOUT")-1)==0 && arguments==0 && mode==CLIENT && isLoggedIn==TRUE)
{
if(client_logout()==TRUE)
{
success(comm_args[0]);
isLoggedIn=FALSE;
isLoggedOut=TRUE;
//Stop listening on client_sock
FD_CLR(client_sock, &master);
}else
{
error_(comm_args[0]);
}
end_(comm_args[0]);
}
else if( strncmp("SENDFILE",comm_args[0],sizeof("SENDFILE")-1)==0 && arguments==2 && mode==CLIENT && isLoggedIn==TRUE){
}else{
}
}
