From 642b5fb0007b64c77d186fcb018d571152ee1d47 Mon Sep 17 00:00:00 2001
From: dzwdz
Date: Mon, 14 Aug 2023 18:51:07 +0200
Subject: reorganization: first steps

---
 src/cmd/netstack/netstack.c | 53 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 53 insertions(+)
 create mode 100644 src/cmd/netstack/netstack.c

(limited to 'src/cmd/netstack/netstack.c')

diff --git a/src/cmd/netstack/netstack.c b/src/cmd/netstack/netstack.c
new file mode 100644
index 0000000..2636429
--- /dev/null
+++ b/src/cmd/netstack/netstack.c
@@ -0,0 +1,53 @@
+#include "proto.h"
+#include "util.h"
+#include <camellia.h>
+#include <camellia/syscalls.h>
+#include <stdbool.h>
+#include <stddef.h>
+#include <stdlib.h>
+#include <string.h>
+#include <thread.h>
+
+struct net_state state = {
+	// TODO dynamically get mac
+	.mac = {0x52, 0x54, 0x00, 0xCA, 0x77, 0x1A},
+};
+
+void network_thread(void *arg) { (void)arg;
+	const size_t buflen = 4096;
+	char *buf = malloc(buflen);
+	for (;;) {
+		long ret = _sys_read(state.raw_h, buf, buflen, -1);
+		if (ret < 0) break;
+		ether_parse((void*)buf, ret);
+	}
+	free(buf);
+}
+
+void fs_thread(void *arg);
+
+int main(int argc, char **argv) {
+	if (argc < 4) {
+		eprintf("usage: netstack iface ip gateway");
+		return 1;
+	}
+	state.raw_h = camellia_open(argv[1], OPEN_RW);
+	if (state.raw_h < 0) {
+		eprintf("couldn't open %s", argv[1]);
+		return 1;
+	}
+	if (ip_parse(argv[2], &state.ip) < 0) {
+		eprintf("invalid ip");
+		return -1;
+	}
+	if (ip_parse(argv[3], &state.gateway) < 0) {
+		eprintf("invalid gateway");
+		return -1;
+	}
+	setproctitle(argv[2]);
+	arp_request(state.gateway);
+	thread_create(0, network_thread, NULL);
+	thread_create(0, fs_thread, NULL);
+	_sys_await();
+	return 0;
+}
-- 
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