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/*
3ds81 - Nintendo 3DS ZX81 emulator
Copyright (C) 2021 Ian Cowburn <ianc@noddybox.co.uk>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, see <http://www.gnu.org/licenses/>
-------------------------------------------------------------------------
Provides an interface for debug
*/
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <stdarg.h>
#include <errno.h>
#include <3ds.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <netinet/tcp.h>
#include <netdb.h>
#include "debug.h"
#include "gui.h"
#ifndef TRUE
#define TRUE 1
#endif
#ifndef FALSE
#define FALSE 0
#endif
/* ---------------------------------------- GLOBAL EXTERNALS
*/
int debug_enabled = FALSE;
/* ---------------------------------------- PRIVATE DAYA
*/
static char debug_host[256];
static char debug_port[32];
static int sock = -1;
/* ---------------------------------------- PRIVATE FUNCTIONS
*/
static void Error(const char *format, ...)
{
static char buff[4096];
va_list va;
va_start(va, format);
vsnprintf(buff, 4096, format, va);
buff[4095] = 0;
va_end(va);
GUI_Alert(FALSE, buff);
}
static void OpenDebugConnection(void)
{
if (sock == -1)
{
struct addrinfo *addr, *addr_p;
struct addrinfo hints = {0};
hints.ai_family = PF_UNSPEC;
hints.ai_socktype = SOCK_STREAM;
if (getaddrinfo(debug_host, debug_port, &hints, &addr) == 0)
{
for(addr_p = addr; addr_p && sock == -1; addr_p = addr_p->ai_next)
{
sock = socket(addr_p->ai_family,
addr_p->ai_socktype,
addr_p->ai_protocol);
if (sock != -1)
{
if (connect(sock, addr_p->ai_addr, addr_p->ai_addrlen)
== -1)
{
Error("Failed to connect socket");
close(sock);
sock = -1;
}
}
else
{
Error("Failed to create socket(%d,%d,%d)\n%d %s",
addr_p->ai_family,
addr_p->ai_socktype,
addr_p->ai_protocol,
errno,
strerror(errno));
}
}
}
else
{
Error("Failed to getaddrinfo(%s,%s)", debug_host, debug_port);
}
}
}
/* ---------------------------------------- EXPORTED INTERFACES
*/
void DEBUG_SetAddress(const char *host, const char *port)
{
strncpy(debug_host, host, (sizeof debug_host) - 1);
strncpy(debug_port, port, (sizeof debug_port) - 1);
debug_host[(sizeof debug_host) - 1] = 0;
debug_port[(sizeof debug_port) - 1] = 0;
if (sock != -1)
{
close(sock);
sock = -1;
}
}
void DEBUG_Output(const char *format, ...)
{
static char buff[4096];
if (debug_enabled)
{
va_list va;
OpenDebugConnection();
va_start(va, format);
vsnprintf(buff, 4096, format, va);
buff[4095] = 0;
va_end(va);
if (sock != -1)
{
send(sock, buff, strlen(buff), 0);
}
}
}
/* END OF FILE */
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