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#include "proto.h"
#include "util.h"
#include <camellia.h>
#include <camellia/compat.h>
#include <camellia/syscalls.h>
#include <err.h>
#include <stdbool.h>
#include <stddef.h>
#include <stdlib.h>
#include <string.h>
#include <thread.h>
struct net_state state = {0};
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) {
char *path;
if (argc < 4) {
fprintf(stderr, "usage: netstack iface ip gateway\n");
return 1;
}
if (asprintf(&path, "%s/net", argv[1]) < 0) {
errx(1, "asprintf failed for some reason");
}
state.raw_h = camellia_open(path, OPEN_RW);
if (state.raw_h < 0) {
err(1, "open %s", path);
return 1;
}
free(path);
if (asprintf(&path, "%s/mac", argv[1]) < 0) {
errx(1, "asprintf failed for some reason");
}
hid_t h = camellia_open(path, OPEN_READ);
if (h < 0) {
err(1, "open %s", path);
return 1;
}
if (_sys_read(h, state.mac, 6, 0) != 6) {
errx(1, "can't read mac", path);
return 1;
}
_sys_close(h);
free(path);
if (ip_parse(argv[2], &state.ip) < 0) {
errx(1, "invalid ip: %s", argv[2]);
return 1;
}
if (ip_parse(argv[3], &state.gateway) < 0) {
errx(1, "invalid gateway: %s", argv[3]);
return 1;
}
setproctitle(
"ip=%s gw=%s mac=%02x:%02x:%02x:%02x:%02x:%02x", argv[2], argv[3],
state.mac[0], state.mac[1], state.mac[2], state.mac[3], state.mac[4],
state.mac[5]
);
arp_request(state.gateway);
thread_create(0, network_thread, NULL);
thread_create(0, fs_thread, NULL);
_sys_await();
return 0;
}
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