mirror of https://github.com/vinc/moros.git
93 lines
3.0 KiB
Rust
93 lines
3.0 KiB
Rust
use crate::{sys, usr, debug};
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use crate::api::syscall;
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use alloc::string::ToString;
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use alloc::vec::Vec;
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use smoltcp::socket::{Dhcpv4Event, Dhcpv4Socket};
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use smoltcp::time::Instant;
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pub fn main(args: &[&str]) -> usr::shell::ExitCode {
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let mut verbose = false;
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let dhcp_config;
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for arg in args {
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match *arg {
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"-v" | "--verbose" => {
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verbose = true;
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}
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_ => {}
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}
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}
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if let Some(ref mut iface) = *sys::net::IFACE.lock() {
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let dhcp_socket = Dhcpv4Socket::new();
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let dhcp_handle = iface.add_socket(dhcp_socket);
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if verbose {
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debug!("DHCP Discover transmitted");
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}
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let timeout = 30.0;
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let started = syscall::realtime();
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loop {
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if syscall::realtime() - started > timeout {
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error!("Timeout reached");
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iface.remove_socket(dhcp_handle);
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return usr::shell::ExitCode::CommandError;
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}
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if sys::console::end_of_text() || sys::console::end_of_transmission() {
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eprintln!();
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iface.remove_socket(dhcp_handle);
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return usr::shell::ExitCode::CommandError;
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}
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let timestamp = Instant::from_micros((syscall::realtime() * 1000000.0) as i64);
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if let Err(e) = iface.poll(timestamp) {
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error!("Network Error: {}", e);
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}
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let event = iface.get_socket::<Dhcpv4Socket>(dhcp_handle).poll();
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match event {
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None => {}
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Some(Dhcpv4Event::Configured(config)) => {
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dhcp_config = Some(config);
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if verbose {
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debug!("DHCP Offer received");
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}
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iface.remove_socket(dhcp_handle);
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break;
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}
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Some(Dhcpv4Event::Deconfigured) => {
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}
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}
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if let Some(wait_duration) = iface.poll_delay(timestamp) {
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syscall::sleep((wait_duration.total_micros() as f64) / 1000000.0);
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}
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}
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} else {
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error!("Network Error");
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return usr::shell::ExitCode::CommandError;
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}
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if let Some(config) = dhcp_config {
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//debug!("{:#?}", config);
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usr::net::main(&["net", "config", "ip", &config.address.to_string()]);
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usr::net::main(&["net", "config", "ip"]);
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if let Some(router) = config.router {
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usr::net::main(&["net", "config", "gw", &router.to_string()]);
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} else {
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usr::net::main(&["net", "config", "gw", "0.0.0.0"]);
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}
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usr::net::main(&["net", "config", "gw"]);
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let dns: Vec<_> = config.dns_servers.iter().filter_map(|s| *s).map(|s| s.to_string()).collect();
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if !dns.is_empty() {
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usr::net::main(&["net", "config", "dns", &dns.join(",")]);
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}
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usr::net::main(&["net", "config", "dns"]);
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return usr::shell::ExitCode::CommandSuccessful;
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}
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usr::shell::ExitCode::CommandError
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}
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