360 lines
10 KiB
Rust

use std::{
io::{self, Write},
path::PathBuf,
};
pub mod autoconf {
pub const CFG_POSIX: &str = "CSP_POSIX";
pub const CFG_ZEPHYR: &str = "CSP_ZEPHYR";
pub const CFG_HAVE_STDIO: &str = "CSP_HAVE_STDIO";
pub const CFG_ENABLE_CSP_PRINT: &str = "CSP_ENABLE_CSP_PRINT";
pub const CFG_PRINT_STDIO: &str = "CSP_PRINT_STDIO";
pub const CFG_REPRODUCIBLE_BUILDS: &str = "CSP_REPRODUCIBLE_BUILDS";
pub const CFG_QFIFO_LEN: &str = "CSP_QFIFO_LEN";
pub const CFG_PORT_MAX_BIND: &str = "CSP_PORT_MAX_BIND";
pub const CFG_CONN_RXQUEUE_LEN: &str = "CSP_CONN_RXQUEUE_LEN";
pub const CFG_CONN_MAX: &str = "CSP_CONN_MAX";
pub const CFG_BUFFER_SIZE: &str = "CSP_BUFFER_SIZE";
pub const CFG_BUFFER_COUNT: &str = "CSP_BUFFER_COUNT";
pub const CFG_RDP_MAX_WINDOW: &str = "CSP_RDP_MAX_WINDOW";
pub const CFG_RTABLE_SIZE: &str = "CSP_RTABLE_SIZE";
pub const CFG_USE_RDP: &str = "CSP_USE_RDP";
pub const CFG_USE_HMAC: &str = "CSP_USE_HMAC";
pub const CFG_USE_PROMISC: &str = "CSP_USE_PROMISC";
pub const CFG_USE_RTABLE: &str = "CSP_USE_RTABLE";
pub const CFG_HAVE_LIBSOCKETCAN: &str = "CSP_HAVE_LIBSOCKETCAN";
pub const CFG_HAVE_LIBZMQ: &str = "CSP_HAVE_LIBZMQ";
}
const SRCS_LIST: &[&str] = &[
"csp_bridge.c",
"csp_buffer.c",
"csp_crc32.c",
"csp_debug.c",
"csp_id.c",
"csp_iflist.c",
"csp_conn.c",
"csp_init.c",
"csp_io.c",
"csp_port.c",
"csp_promisc.c",
"csp_qfifo.c",
"csp_port.c",
"csp_route.c",
"csp_dedup.c",
"interfaces/csp_if_lo.c",
"interfaces/csp_if_kiss.c",
"interfaces/csp_if_tun.c",
"interfaces/csp_if_udp.c",
"crypto/csp_hmac.c",
"crypto/csp_sha1.c",
];
const ARCH_SRCS_UNIX: &[&str] = &[
"arch/posix/csp_clock.c",
"arch/posix/csp_semaphore.c",
"arch/posix/csp_system.c",
"arch/posix/csp_time.c",
"arch/posix/csp_queue.c",
"arch/posix/pthread_queue.c",
];
pub struct Config {
have_stdio: bool,
print_stdio: bool,
reproducible_builds: bool,
qfifo_len: u32,
port_max_bind: u32,
conn_rx_queue_len: u32,
conn_max: u32,
buffer_size: u32,
buffer_count: u32,
rdp_max_window: u32,
rtable_size: u32,
hmac: bool,
rtable: bool,
csp_print: bool,
promisc: bool,
rdp: bool,
yaml: bool,
}
impl Default for Config {
fn default() -> Self {
Self {
have_stdio: true,
print_stdio: true,
reproducible_builds: false,
qfifo_len: 16,
port_max_bind: 16,
conn_rx_queue_len: 16,
conn_max: 8,
buffer_size: 256,
buffer_count: 15,
rdp_max_window: 5,
rtable_size: 10,
hmac: true,
rtable: false,
csp_print: true,
promisc: true,
rdp: true,
yaml: false,
}
}
}
pub struct Builder {
generate_autoconf_file: bool,
libcsp_path: PathBuf,
libcsp_src_path_base: PathBuf,
out_dir: PathBuf,
cfg: Config,
build: cc::Build,
}
impl Builder {
pub fn new(libcsp_path: PathBuf, out_dir: PathBuf) -> Self {
let mut libcsp_src_path_base = libcsp_path.clone();
libcsp_src_path_base.push("src");
Self {
generate_autoconf_file: true,
libcsp_path,
libcsp_src_path_base,
out_dir,
cfg: Default::default(),
build: Default::default(),
}
}
pub fn cc(&mut self) -> &mut cc::Build {
&mut self.build
}
pub fn compile(&mut self) -> io::Result<()> {
if self.generate_autoconf_file {
self.generate_autoconf_file()?;
}
for src in SRCS_LIST {
let mut next_file = self.libcsp_src_path_base.clone();
next_file.push(src);
self.build.file(next_file);
}
if self.cfg.rdp {
let mut next_file = self.libcsp_src_path_base.clone();
next_file.push("csp_rdp.c");
self.build.file(next_file);
let mut next_file = self.libcsp_src_path_base.clone();
next_file.push("csp_rdp_queue.c");
self.build.file(next_file);
}
if self.cfg.promisc {
let mut next_file = self.libcsp_src_path_base.clone();
next_file.push("csp_promisc.c");
self.build.file(next_file);
}
if self.cfg.csp_print {
let mut next_file = self.libcsp_src_path_base.clone();
next_file.push("csp_hex_dump.c");
self.build.file(next_file);
}
if self.cfg.yaml {
let mut next_file = self.libcsp_src_path_base.clone();
next_file.push("csp_yaml.c");
self.build.file(next_file);
}
if self.cfg.rtable {
let mut next_file = self.libcsp_src_path_base.clone();
next_file.push("csp_rtable_cidr.c");
self.build.file(next_file);
}
// TODO: UNIX does not necesarilly mean POSIX? Details to deal with later..
#[cfg(unix)]
self.posix_arch_files();
let mut inc_path = self.libcsp_path.clone();
inc_path.push("include");
self.build.include(inc_path);
self.build.include(&self.libcsp_src_path_base);
self.build.compile("csp");
Ok(())
}
#[cfg(unix)]
fn posix_arch_files(&mut self) {
for src in ARCH_SRCS_UNIX {
let mut next_file = self.libcsp_src_path_base.clone();
next_file.push(src);
self.build.file(next_file);
}
}
pub fn generate_autoconf_file(&mut self) -> io::Result<()> {
let mut autoconf_dir = self.out_dir.join("cfg");
self.build.include(&autoconf_dir);
autoconf_dir.push("csp");
std::fs::create_dir_all(&autoconf_dir)?;
generate_autoconf_header_file(autoconf_dir, &self.cfg)
}
pub fn generate_autoconf_rust_file(&self, out_dir: PathBuf) -> io::Result<()> {
generate_autoconf_rust_file(out_dir, &self.cfg)
}
}
pub fn generate_autoconf_header_file(out_dir: PathBuf, cfg: &Config) -> io::Result<()> {
let mut autoconf_file_string = String::new();
#[cfg(unix)]
autoconf_file_string.push_str("#define CSP_POSIX 1\n");
autoconf_file_string.push_str("#define CSP_ZEPHYR 0\n");
autoconf_file_string.push('\n');
autoconf_file_string.push_str(&format!(
"#define {} {}\n",
autoconf::CFG_HAVE_STDIO,
cfg.have_stdio as u32
));
autoconf_file_string.push_str(&format!(
"#define {} {}\n",
autoconf::CFG_ENABLE_CSP_PRINT,
cfg.csp_print as u32
));
autoconf_file_string.push_str(&format!(
"#define {} {}\n",
autoconf::CFG_PRINT_STDIO,
cfg.print_stdio as u32
));
autoconf_file_string.push_str(&format!(
"#define {} {}\n",
autoconf::CFG_REPRODUCIBLE_BUILDS,
cfg.reproducible_builds as u32
));
autoconf_file_string.push('\n');
autoconf_file_string.push_str(&format!(
"#define {} {}\n",
autoconf::CFG_QFIFO_LEN,
cfg.qfifo_len
));
autoconf_file_string.push_str(&format!(
"#define {} {}\n",
autoconf::CFG_PORT_MAX_BIND,
cfg.port_max_bind
));
autoconf_file_string.push_str(&format!(
"#define {} {}\n",
autoconf::CFG_CONN_RXQUEUE_LEN,
cfg.conn_rx_queue_len
));
autoconf_file_string.push_str(&format!(
"#define {} {}\n",
autoconf::CFG_CONN_MAX,
cfg.conn_max
));
autoconf_file_string.push_str(&format!(
"#define {} {}\n",
autoconf::CFG_BUFFER_SIZE,
cfg.buffer_size
));
autoconf_file_string.push_str(&format!(
"#define {} {}\n",
autoconf::CFG_BUFFER_COUNT,
cfg.buffer_count
));
autoconf_file_string.push_str(&format!(
"#define {} {}\n",
autoconf::CFG_RDP_MAX_WINDOW,
cfg.rdp_max_window
));
autoconf_file_string.push_str(&format!(
"#define {} {}\n",
autoconf::CFG_RTABLE_SIZE,
cfg.rtable_size
));
autoconf_file_string.push_str(&format!(
"#define {} {}\n",
autoconf::CFG_USE_RDP,
cfg.rdp as u32
));
autoconf_file_string.push_str(&format!(
"#define {} {}\n",
autoconf::CFG_USE_HMAC,
cfg.hmac as u32
));
autoconf_file_string.push_str(&format!(
"#define {} {}\n",
autoconf::CFG_USE_PROMISC,
cfg.promisc as u32
));
autoconf_file_string.push_str(&format!(
"#define {} {}\n",
autoconf::CFG_USE_RTABLE,
cfg.rtable as u32
));
// TODO: Maybe those will be added at some point..
autoconf_file_string.push_str(&format!(
"#define {} {}\n",
autoconf::CFG_HAVE_LIBSOCKETCAN,
0
));
autoconf_file_string.push_str(&format!("#define {} {}\n", autoconf::CFG_HAVE_LIBZMQ, 0));
let out_file = out_dir.join("autoconfig.h");
let mut file = std::fs::File::create(out_file)?;
file.write_all(autoconf_file_string.as_bytes())?;
Ok(())
}
pub fn generate_autoconf_rust_file(out_dir: PathBuf, cfg: &Config) -> io::Result<()> {
let mut autoconf_file_string = String::new();
autoconf_file_string.push_str(&format!(
"const {}: usize = {}\n",
autoconf::CFG_CONN_RXQUEUE_LEN,
cfg.conn_rx_queue_len
));
autoconf_file_string.push_str(&format!(
"const {}: usize = {}\n",
autoconf::CFG_QFIFO_LEN,
cfg.qfifo_len
));
autoconf_file_string.push_str(&format!(
"const {}: usize = {}\n",
autoconf::CFG_PORT_MAX_BIND,
cfg.port_max_bind
));
autoconf_file_string.push_str(&format!(
"const {}: usize = {}\n",
autoconf::CFG_CONN_MAX,
cfg.conn_max
));
autoconf_file_string.push_str(&format!(
"const {}: usize = {}\n",
autoconf::CFG_BUFFER_SIZE,
cfg.buffer_size
));
autoconf_file_string.push_str(&format!(
"const {}: usize = {}\n",
autoconf::CFG_RDP_MAX_WINDOW,
cfg.rdp_max_window
));
autoconf_file_string.push_str(&format!(
"const {}: usize = {}\n",
autoconf::CFG_RTABLE_SIZE,
cfg.rtable_size
));
let out_file = out_dir.join("autoconfig.rs");
let mut file = std::fs::File::create(out_file)?;
file.write_all(autoconf_file_string.as_bytes())?;
Ok(())
}
#[cfg(test)]
mod tests {
// TODO: Unittest autoconf generator.
}