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Support for command input

Browse source 
For starters, 'move_dir x y' command is supported.
This commit is contained in:
Petr Baudis 2011-11-27 02:14:57 +01:00
parent 92940b6054
commit de6a4d656f
5 changed files with 73 additions and 3 deletions
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56
connection.cc
View file

@ -2,9 +2,10 @@
#include <cstdio>
#include <cstring>
#include <iostream>
#include <unistd.h>
#include <sys/select.h>
#include <pthread.h>
#include <unistd.h>
#include "agent.h"
#include "connection.h"
@ -20,6 +21,38 @@ connection::senses(int tick_id, char around[4])
pthread_mutex_unlock(&buf_lock);
}
void
connection::actions(class agent *agent)
{
pthread_mutex_lock(&buf_lock);
if (in_buf.find("\r\n\r\n") == std::string::npos) {
/* Not enough data, needs to wait until next turn, sorry. */
pthread_mutex_unlock(&buf_lock);
return;
}
while (in_buf.c_str()[0] != '\r') {
int nlofs = in_buf.find("\r\n");
std::string line = in_buf.substr(0, nlofs);
in_buf.erase(0, nlofs + 2);
int spofs = line.find(' ');
std::string cmd = line.substr(0, spofs);
line.erase(0, spofs + 1);
if (!cmd.compare("move_dir")) {
int x = 0, y = 0;
sscanf(line.c_str(), "%d %d", &x, &y);
agent->move_dir(x, y);
} else {
std::cout << "unknown line " << cmd << " " << line << " ...\n";
}
}
in_buf.erase(0, 2);
pthread_mutex_unlock(&buf_lock);
}
void
connection::cancel(void)
{
@ -69,7 +102,26 @@ connection::thread_loop(void)
pthread_mutex_unlock(&buf_lock);
}
/* TODO: The reading. ;-) */
struct timeval tv;
tv.tv_sec = 0; tv.tv_usec = 0;
fd_set rfds;
FD_ZERO(&rfds);
FD_SET(fd, &rfds);
while (select(fd + 1, &rfds, NULL, NULL, &tv)) {
char cbuf[1024];
len = read(fd, cbuf, sizeof(cbuf));
if (len < 0) {
error = true;
} else {
bool want_moar = false;
pthread_mutex_lock(&buf_lock);
in_buf.append(cbuf, len);
want_moar = (in_buf.find("\r\n\r\n") == std::string::npos);
pthread_mutex_unlock(&buf_lock);
if (!want_moar)
break;
}
}
usleep(10000); // XXX: Signal-oriented instead.
}