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/* FujiNetChat, an IRC client. Based on NetCat and the old FujiChat. */
#define SELF "FujiNetChat"
#define VERSION "0.0"
#define BANNER SELF " v" VERSION " (B. Watson)\n"
#define DEF_URL "N:TCP://irc.libera.chat:6667"
#define DEF_NICK "FNChatTest"
#define DEF_CHANNEL "##atari"
#include <atari.h>
#include <stdbool.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <ctype.h>
#include <conio.h> // for kbhit() and cgetc()
#include "conio.h" // our local one.
#include "nio.h"
#include "irc.h"
char url[256] = DEF_URL; // URL
char usernick[32] = DEF_NICK;
char tmp[8]; // temporary # to string
unsigned char err; // error code of last operation.
unsigned char trip=0; // if trip=1, fujinet is asking us for attention.
bool old_enabled=false; // were interrupts enabled for old vector
void* old_vprced; // old PROCEED vector, restored on exit.
unsigned short bw=0; // # of bytes waiting.
unsigned char rx_buf[MAX_IRC_MSG_LEN]; // RX buffer.
unsigned char tx_buf[MAX_IRC_MSG_LEN]; // TX buffer.
unsigned int txbuflen; // TX buffer length
char channel[32] = DEF_CHANNEL;
/* TODO: user modes (default +iw), fg/bg color... */
extern void ih(); // defined in intr.s
static void strcpy_to_eol(char *dst, const char *src) {
while(*src && (*src != CH_EOL)) {
*dst++ = *src++;
}
*dst = '\0';
}
/**
* Get URL from user.
*/
void get_config(void) {
OS.crsinh = 0;
putchar(CH_CLR);
print(BANNER);
while(1) {
print("\nURL [");
print(url);
print("]?\n");
get_line(tx_buf, sizeof(url) - 1);
if(tx_buf[0] != CH_EOL) strcpy_to_eol(url, tx_buf);
print("Nick [");
print(usernick);
print("]? ");
get_line(tx_buf, sizeof(usernick) - 1);
if(tx_buf[0] != CH_EOL) strcpy_to_eol(usernick, tx_buf);
print("Channel [");
print(channel);
print("]? ");
get_line(tx_buf, sizeof(channel) - 1);
if(tx_buf[0] != CH_EOL) strcpy_to_eol(channel, tx_buf);
/*
print("\n\nURL: ");
print(url);
print("\nNick: ");
print(usernick);
print("\nChannel: ");
print(channel);
*/
print("\n\nAre these settings OK [Y/n]? ");
if(tolower(cgetc()) != 'n') break;
}
// print("Press Return to connect\n");
// cgetc();
}
/**
* Print error
*/
void print_error(unsigned char err) {
itoa(err, tmp, 10);
print(tmp);
print("\n");
}
void txbuf_init(void) {
txbuflen = tx_buf[0] = 0;
}
void txbuf_append_str(const char *str) {
while(*str) {
tx_buf[txbuflen++] = *str++;
}
}
void txbuf_set_str(const char *str) {
txbuf_init();
txbuf_append_str(str);
}
void txbuf_send(void) {
if(!txbuflen) return;
nwrite(url, tx_buf, txbuflen);
txbuf_init();
}
void txbuf_send_str(const char *str) {
txbuf_init();
txbuf_append_str(str);
txbuf_send();
}
int fn_connect(void) {
print("\n" "Connecting to: ");
print(url);
print("\n");
err = nopen(url, FNET_TRANSLATION);
if(err != SUCCESS) {
print("Connection failed: ");
print_error(err);
return 0;
}
// Open successful, set up interrupt
old_vprced = OS.vprced; // save the old interrupt vector
old_enabled = PIA.pactl & 1; // keep track of old interrupt state
PIA.pactl &= (~1); // Turn off interrupts before changing vector
OS.vprced = ih; // Set PROCEED interrupt vector to our interrupt handler.
PIA.pactl |= 1; // Indicate to PIA we are ready for PROCEED interrupt.
return 1;
}
void fn_disconnect(void) {
// Restore old PROCEED interrupt.
PIA.pactl &= ~1; // disable interrupts
OS.vprced=old_vprced;
PIA.pactl |= old_enabled;
}
int main(void) {
OS.lmargn = 0; // Set left margin to 0
OS.shflok = 0; // turn off shift-lock.
OS.soundr = 0; // Turn off SIO beeping sound
cursor(1); // Keep cursor on
while(1) {
get_config();
if(fn_connect()) {
irc_register();
irc_loop();
fn_disconnect();
}
}
OS.soundr = 3; // Restore SIO beeping sound
return 0;
}
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