From 2973d0c78e9b8eed3c5af239927c6bd36af64604 Mon Sep 17 00:00:00 2001
From: "B. Watson" <yalhcru@gmail.com>
Date: Wed, 13 Mar 2019 02:50:42 -0400
Subject: initial commit

---
 src/dns.c | 130 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 130 insertions(+)
 create mode 100644 src/dns.c

(limited to 'src/dns.c')

diff --git a/src/dns.c b/src/dns.c
new file mode 100644
index 0000000..f5eef0f
--- /dev/null
+++ b/src/dns.c
@@ -0,0 +1,130 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <atari.h>
+#include "uip.h"
+#include "uiplib.h"
+#include "rs232dev.h"
+#include <conio.h>
+#include <peekpoke.h>
+#include <string.h>
+#include <ctype.h>
+
+#include "telnet.h"
+#include "resolv.h"
+#include "timer.h"
+
+#ifndef NULL
+#define NULL (void *)0
+#endif /* NULL */
+
+char buf[256];
+
+int main(void) {
+	char c;
+	int i;
+	uip_ipaddr_t ipaddr;
+	struct timer periodic_timer;
+
+	timer_set(&periodic_timer, CLOCK_SECOND / 2);
+
+	rs232dev_init();
+	uip_init();
+
+	uip_ipaddr(ipaddr, 192,168,0,2);
+	uip_sethostaddr(ipaddr);
+	uip_ipaddr(ipaddr, 192,168,0,1);
+	uip_setdraddr(ipaddr);
+	uip_ipaddr(ipaddr, 255,255,255,0);
+	uip_setnetmask(ipaddr);
+
+	resolv_init();
+	uip_ipaddr(ipaddr, 192,168,88,1);
+	resolv_conf(ipaddr);
+
+	cursor(1);
+
+	while(1) {
+		puts("DNS test. Hostname:");
+		fgets(buf, 256, stdin);
+		for(i=0; i<strlen(buf); ++i)
+			if(buf[i] == '\n') buf[i] = '\0';
+		printf("Trying to resolve host %s, press any key to stop\n", buf);
+		resolv_query(buf);
+
+		while(1) {
+			/* This part of the while loop is straight from the no-ARP example
+				code, from the uIP docs. */
+			uip_len = rs232dev_poll();
+			if(uip_len > 0) {
+				uip_input();
+				/* If the above function invocation resulted in data that
+					should be sent out on the network, the global variable
+					uip_len is set to a value > 0. */
+				if(uip_len > 0) {
+					rs232dev_send();
+				}
+			} else if(timer_expired(&periodic_timer)) {
+				timer_reset(&periodic_timer);
+				for(i = 0; i < UIP_CONNS; i++) {
+					uip_periodic(i);
+					/* If the above function invocation resulted in data that
+						should be sent out on the network, the global variable
+						uip_len is set to a value > 0. */
+					if(uip_len > 0) {
+						rs232dev_send();
+					}
+				}
+
+#if UIP_UDP
+				for(i = 0; i < UIP_UDP_CONNS; i++) {
+					uip_udp_periodic(i);
+					/* If the above function invocation resulted in data that
+						should be sent out on the network, the global variable
+						uip_len is set to a value > 0. */
+					if(uip_len > 0) {
+						rs232dev_send();
+					}
+				}
+#endif /* UIP_UDP */
+			}
+
+			if(kbhit()) {
+				cgetc();
+				break;
+			}
+		}
+	}
+}
+
+void telnet_connected(struct telnet_state *s) {
+}
+
+void telnet_closed(struct telnet_state *s) {
+}
+
+void telnet_sent(struct telnet_state *s) {
+}
+
+void telnet_aborted(struct telnet_state *s) {
+}
+
+void telnet_timedout(struct telnet_state *s) {
+}
+
+void telnet_newdata(struct telnet_state *s, char *data, u16_t len) {
+}
+
+void resolv_found(char *name, u16_t *ipaddr) {
+	if(ipaddr == NULL) {
+		printf("Host '%s' not found.\n", name);
+	} else {
+		printf("Found name '%s' = %d.%d.%d.%d\n", name,
+				htons(ipaddr[0]) >> 8,
+				htons(ipaddr[0]) & 0xff,
+				htons(ipaddr[1]) >> 8,
+				htons(ipaddr[1]) & 0xff);
+		puts("Press any key...");
+		// webclient_get("www.google.com", 80, "/index.html");
+		// webclient_get(name, 80, "/~adam/uip");
+	}
+}
-- 
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