void Parser::process_command(InputType type)
{
switch (type){
case CREATE_:
create_table();
break;
case INSERT_:
insert_into();
break;
case OPEN_:
open();
break;
case CLOSE_:
close();
break;
case WRITE_:
write();
break;
case SHOW_:
show();
break;
case EXIT_:
exit();
break;
case DELETE_:
delete_from();
break;
case UPDATE_:
update_to();
break;
default:
break;
}
}
int _exec_stmt(DB * db, stmt_t * stmt)
{
switch (stmt->type) {
case STMT_CREAT_TABLE:
return create_table(db, stmt->table, stmt->cols, stmt->ncol);
case STMT_DROP_TABLE:
return drop_table(db, stmt->table);
case STMT_CREAT_INDEX:
return create_index(db, stmt->table, stmt->attr, stmt->index);
case STMT_DROP_INDEX:
return drop_index(db, stmt->index);
case STMT_INSERT:
return insert_into(db, stmt->table, NULL, stmt->vals,
stmt->nval);
case STMT_DELETE:
return delete_from(db, stmt->table, stmt->conds, stmt->ncond);
case STMT_SELECT:
return select_and_print(db, stmt->table, stmt->cols, stmt->ncol,
stmt->conds, stmt->ncond);
}
xerrno = ERR_INVSTMT;
return -1;
}
/****************************************************
* Function: cbInit
* Description:
***************************************************/
int main()
{
int bytes_recv;
//struct recv_struct array[5];
int i=0;
/*array[0].seq_no = 0;
array[0].AERT.tv_usec = ADD_TIME(total_elapsed_time,30);
printf("seq %d, time %u\n",array[0].seq_no ,array[0].AERT.tv_usec);
array[0].AERT.tv_sec = total_elapsed_time.tv_sec;
array[0].mode =0;
array[1].seq_no = 2;
array[1].AERT.tv_usec = ADD_TIME(total_elapsed_time,40);
printf("seq %d, time %u\n",array[1].seq_no, array[1].AERT.tv_usec);
array[1].AERT.tv_sec = total_elapsed_time.tv_sec;
array[1].mode =0;
array[2].seq_no = 3;
array[2].AERT.tv_usec = ADD_TIME(total_elapsed_time,20);
array[2].AERT.tv_sec = total_elapsed_time.tv_sec;
array[2].mode =0;
array[4].seq_no = 3;
array[4].AERT.tv_usec = ADD_TIME(total_elapsed_time,40);
array[4].AERT.tv_sec = total_elapsed_time.tv_sec;
array[4].mode =1;
array[3].seq_no = 2;
array[3].AERT.tv_usec = ADD_TIME(total_elapsed_time,40);
array[3].AERT.tv_sec = total_elapsed_time.tv_sec;
array[3].mode =1;*/
/*START:Establish connection as a server with tcpd_m2 as a client on port 1052*/
TIMER_in_socket = socket(AF_INET, SOCK_DGRAM, 0);
TIMER_addr.sin_family = AF_INET; // Address family to use
TIMER_addr.sin_port = htons(TIMER_PORT_IN); // Port number to use
TIMER_addr.sin_addr.s_addr = htonl(INADDR_ANY); // Listen on any IP address
if(bind(TIMER_in_socket, (struct sockaddr *)&TIMER_addr, sizeof(TIMER_addr))!=0)
{
perror("Binding failure tcpd_m2\n");
return 1;
}
/*END:Establish connection as a server with tcpd_m2 as a client on port 1052*/
addr_len = sizeof(struct sockaddr_in);
while(1)
{
//printf("Iteration %d\n",i);
//from_tcpd = array[i];
/*START:Recv data from TCPD*/
struct in_addr addr;
int ret;
/* fd_set is a fixed sized buffer */
fd_set TIMER_in_set;
/* FD_ZERO clears a set */
FD_ZERO(&TIMER_in_set);
/* FD_SET - adds the given file descriptor to the set */
FD_SET(TIMER_in_socket,&TIMER_in_set);
ret = select(TIMER_in_socket+1, &TIMER_in_set, NULL, NULL, NULL);
if (FD_ISSET(TIMER_in_socket, &TIMER_in_set))
{
bytes_recv = recvfrom(TIMER_in_socket,&from_tcpd, sizeof (from_tcpd), 0,
(struct sockaddr *)&TCPDM2_addr, &addr_len);
/*END:Recv data from TCPD*/
addr.s_addr = TCPDM2_addr.sin_addr.s_addr;
printf("Received seq %u sec %u usec %u from %s %u mode %d\n"
,from_tcpd.seq_no,from_tcpd.AERT.tv_sec,from_tcpd.AERT.tv_usec,
inet_ntoa(addr),ntohs(TCPDM2_addr.sin_port),from_tcpd.mode);
switch (from_tcpd.mode)
{
case INSERT_MODE:
insert_into();
break;
case DELETE_MODE:
delete_from();
break;
}
print_list();
printf("\n");
}
}
/*START:Recv data from TCPD*/
return 0;
}