Files
CamFinder/src/config.rs
T

603 lines
19 KiB
Rust

use anyhow::{anyhow, Context, Result};
use std::{
env, fs,
net::SocketAddr,
path::{Path, PathBuf},
};
#[derive(Debug, Clone, Copy, PartialEq, Eq)]
pub enum Mode {
Local,
Coordinator,
Worker,
Rtsp,
RedisCoordinator,
RedisWorker,
}
#[derive(Debug, Clone)]
pub struct Config {
pub mode: Mode,
pub cidrs: Vec<String>,
pub rtsp_targets: Vec<String>,
pub rtsp_paths: Vec<String>,
pub redis_url: String,
pub redis_queue_name: String,
pub redis_input_csv: String,
pub redis_worker_count: usize,
pub snapshot_dir: PathBuf,
pub sqlite_path: PathBuf,
pub capture_timeout_ms: u64,
pub port: u16,
pub timeout_ms: u64,
pub concurrency: usize,
pub chunk_size: usize,
pub database_url: String,
pub coordinator_bind: SocketAddr,
pub coordinator_addr: String,
pub worker_name: String,
}
impl Config {
pub fn from_env_and_args() -> Result<Self> {
let mut args = env::args().skip(1).collect::<Vec<_>>();
let mode = parse_mode(&mut args)?;
let cli = CliArgs::from_args(&args)?;
let cidrs = load_cidrs(cli.cidr_file.as_deref(), cli.cidrs.as_deref())?;
let rtsp_targets = load_csv_targets(cli.targets_file.as_deref(), cli.targets.as_deref())?;
let rtsp_paths = load_rtsp_paths(cli.paths_file.as_deref(), cli.paths.as_deref())?;
Ok(Self {
mode,
cidrs,
rtsp_targets,
rtsp_paths,
redis_url: cli
.redis_url
.unwrap_or_else(|| read_env("REDIS_URL", "redis://127.0.0.1:6379/0")),
redis_queue_name: cli
.redis_queue_name
.unwrap_or_else(|| read_env("RTSP_QUEUE_NAME", "camfinder:rtsp:queue")),
redis_input_csv: cli
.redis_input_csv
.unwrap_or_else(|| read_env("RTSP_INPUT_CSV", "camfinder-open-rtsp.csv")),
redis_worker_count: cli
.redis_worker_count
.or_else(|| parse_usize("RTSP_WORKER_COUNT", 2).ok())
.unwrap_or(2),
snapshot_dir: cli
.snapshot_dir
.unwrap_or_else(|| PathBuf::from(read_env("RTSP_SNAPSHOT_DIR", "dump/feeds"))),
sqlite_path: cli
.sqlite_path
.unwrap_or_else(|| PathBuf::from(read_env("RTSP_SQLITE_PATH", "dump/rtsp-results.sqlite"))),
capture_timeout_ms: cli
.capture_timeout_ms
.or_else(|| parse_u64("RTSP_CAPTURE_TIMEOUT_MS", 15000).ok())
.unwrap_or(15000),
port: cli
.port
.or_else(|| parse_u16("SCAN_PORT", 554).ok())
.unwrap_or(554),
timeout_ms: cli
.timeout_ms
.or_else(|| parse_u64("SCAN_TIMEOUT_MS", 1200).ok())
.unwrap_or(1200),
concurrency: cli
.concurrency
.or_else(|| parse_usize("SCAN_CONCURRENCY", default_concurrency()).ok())
.unwrap_or_else(default_concurrency),
chunk_size: cli
.chunk_size
.or_else(|| parse_usize("SCAN_CHUNK_SIZE", default_chunk_size()).ok())
.unwrap_or_else(default_chunk_size),
database_url: cli.database_url.unwrap_or_else(database_url_from_env),
coordinator_bind: cli
.coordinator_bind
.or_else(|| parse_socket_addr("COORDINATOR_BIND", "0.0.0.0:666").ok())
.unwrap_or_else(|| "0.0.0.0:666".parse().expect("valid default bind address")),
coordinator_addr: cli
.coordinator_addr
.unwrap_or_else(|| read_env("COORDINATOR_ADDR", "127.0.0.1:666")),
worker_name: cli.worker_name.unwrap_or_else(default_worker_name),
})
}
}
#[derive(Debug, Default)]
struct CliArgs {
cidrs: Option<String>,
cidr_file: Option<PathBuf>,
targets: Option<String>,
targets_file: Option<PathBuf>,
paths: Option<String>,
paths_file: Option<PathBuf>,
redis_url: Option<String>,
redis_queue_name: Option<String>,
redis_input_csv: Option<String>,
redis_worker_count: Option<usize>,
snapshot_dir: Option<PathBuf>,
sqlite_path: Option<PathBuf>,
capture_timeout_ms: Option<u64>,
database_url: Option<String>,
coordinator_bind: Option<SocketAddr>,
coordinator_addr: Option<String>,
worker_name: Option<String>,
port: Option<u16>,
timeout_ms: Option<u64>,
concurrency: Option<usize>,
chunk_size: Option<usize>,
}
impl CliArgs {
fn from_args(args: &[String]) -> Result<Self> {
let mut cli = Self::default();
let mut index = 0;
while index < args.len() {
let arg = &args[index];
match arg.as_str() {
"--cidrs" => {
cli.cidrs = Some(next_value(args, &mut index, "--cidrs")?);
}
"--cidr-file" => {
cli.cidr_file =
Some(PathBuf::from(next_value(args, &mut index, "--cidr-file")?));
}
"--targets" => {
cli.targets = Some(next_value(args, &mut index, "--targets")?);
}
"--targets-file" => {
cli.targets_file = Some(PathBuf::from(next_value(
args,
&mut index,
"--targets-file",
)?));
}
"--paths" => {
cli.paths = Some(next_value(args, &mut index, "--paths")?);
}
"--paths-file" => {
cli.paths_file =
Some(PathBuf::from(next_value(args, &mut index, "--paths-file")?));
}
"--redis-url" => {
cli.redis_url = Some(next_value(args, &mut index, "--redis-url")?);
}
"--queue" | "--queue-name" => {
cli.redis_queue_name = Some(next_value(args, &mut index, arg)?);
}
"--input-csv" | "--csv-file" => {
cli.redis_input_csv = Some(next_value(args, &mut index, arg)?);
}
"--worker-count" => {
cli.redis_worker_count = Some(parse_usize_literal(&next_value(
args,
&mut index,
"--worker-count",
)?)?);
}
"--snapshot-dir" => {
cli.snapshot_dir =
Some(PathBuf::from(next_value(args, &mut index, "--snapshot-dir")?));
}
"--sqlite-path" => {
cli.sqlite_path =
Some(PathBuf::from(next_value(args, &mut index, "--sqlite-path")?));
}
"--capture-timeout-ms" => {
cli.capture_timeout_ms = Some(parse_u64_literal(&next_value(
args,
&mut index,
"--capture-timeout-ms",
)?)?);
}
"--database" | "--database-url" => {
cli.database_url = Some(next_value(args, &mut index, arg)?);
}
"--bind" => {
cli.coordinator_bind = Some(parse_socket_addr_literal(&next_value(
args, &mut index, "--bind",
)?)?);
}
"--connect" => {
cli.coordinator_addr = Some(next_value(args, &mut index, "--connect")?);
}
"--name" => {
cli.worker_name = Some(next_value(args, &mut index, "--name")?);
}
"--port" => {
cli.port = Some(parse_u16_literal(&next_value(args, &mut index, "--port")?)?);
}
"--timeout-ms" => {
cli.timeout_ms = Some(parse_u64_literal(&next_value(
args,
&mut index,
"--timeout-ms",
)?)?);
}
"--concurrency" => {
cli.concurrency = Some(parse_usize_literal(&next_value(
args,
&mut index,
"--concurrency",
)?)?);
}
"--chunk-size" => {
cli.chunk_size = Some(parse_usize_literal(&next_value(
args,
&mut index,
"--chunk-size",
)?)?);
}
_ if arg.starts_with("--") => {
return Err(anyhow!("unknown argument: {arg}"));
}
_ => {
return Err(anyhow!("unexpected positional argument: {arg}"));
}
}
index += 1;
}
Ok(cli)
}
}
fn parse_mode(args: &mut Vec<String>) -> Result<Mode> {
if let Some(first) = args.first() {
if !first.starts_with('-') {
let mode = parse_mode_literal(first)?;
args.remove(0);
return Ok(mode);
}
}
match env::var("SCAN_MODE") {
Ok(value) => parse_mode_literal(value.trim()),
Err(_) => Ok(Mode::Local),
}
}
fn parse_mode_literal(value: &str) -> Result<Mode> {
match value.trim().to_ascii_lowercase().as_str() {
"local" | "scan" => Ok(Mode::Local),
"coordinator" | "coord" | "server" => Ok(Mode::Coordinator),
"worker" => Ok(Mode::Worker),
"rtsp" => Ok(Mode::Rtsp),
"redis-coordinator" | "redis-coord" | "redis-server" => Ok(Mode::RedisCoordinator),
"redis-worker" | "redis-client" => Ok(Mode::RedisWorker),
other => Err(anyhow!(
"modo inválido: {other}. Use local, coordinator, worker, rtsp, redis-coordinator ou redis-worker"
)),
}
}
fn load_cidrs(file: Option<&Path>, inline: Option<&str>) -> Result<Vec<String>> {
if let Some(inline) = inline {
let cidrs = parse_cidr_list(inline);
if !cidrs.is_empty() {
return Ok(cidrs);
}
}
if let Some(file) = file {
let content = fs::read_to_string(file)
.with_context(|| format!("failed to read CIDR file {}", file.display()))?;
let cidrs = parse_cidr_list(&content);
if !cidrs.is_empty() {
return Ok(cidrs);
}
return Err(anyhow!("arquivo de CIDRs vazio: {}", file.display()));
}
if let Ok(path) = env::var("SCAN_CIDR_FILE") {
let path = path.trim();
if !path.is_empty() {
let content = fs::read_to_string(path)
.with_context(|| format!("failed to read CIDR file {path}"))?;
let cidrs = parse_cidr_list(&content);
if !cidrs.is_empty() {
return Ok(cidrs);
}
return Err(anyhow!("arquivo de CIDRs vazio: {path}"));
}
}
if let Ok(value) = env::var("SCAN_CIDRS") {
let value = value.trim();
if !value.is_empty() {
let cidrs = parse_cidr_list(value);
if !cidrs.is_empty() {
return Ok(cidrs);
}
}
}
if let Ok(value) = env::var("SCAN_CIDR") {
let value = value.trim();
if !value.is_empty() {
let cidrs = parse_cidr_list(value);
if !cidrs.is_empty() {
return Ok(cidrs);
}
}
}
Ok(Vec::new())
}
fn parse_cidr_list(input: &str) -> Vec<String> {
input
.lines()
.flat_map(|line| line.split('#').next())
.flat_map(|line| line.split(|c: char| c == ',' || c.is_whitespace()))
.map(str::trim)
.filter(|entry| !entry.is_empty())
.map(ToString::to_string)
.collect()
}
fn load_csv_targets(file: Option<&Path>, inline: Option<&str>) -> Result<Vec<String>> {
if let Some(inline) = inline {
let targets = parse_target_list(inline);
if !targets.is_empty() {
return Ok(targets);
}
}
if let Some(file) = file {
let content = fs::read_to_string(file)
.with_context(|| format!("failed to read CSV file {}", file.display()))?;
let targets = parse_csv_targets(&content);
if !targets.is_empty() {
return Ok(targets);
}
return Err(anyhow!("arquivo CSV vazio: {}", file.display()));
}
if let Ok(path) = env::var("RTSP_TARGETS_FILE") {
let path = path.trim();
if !path.is_empty() {
let content = fs::read_to_string(path)
.with_context(|| format!("failed to read CSV file {path}"))?;
let targets = parse_csv_targets(&content);
if !targets.is_empty() {
return Ok(targets);
}
return Err(anyhow!("arquivo CSV vazio: {path}"));
}
}
if let Ok(value) = env::var("RTSP_TARGETS") {
let value = value.trim();
if !value.is_empty() {
let targets = parse_target_list(value);
if !targets.is_empty() {
return Ok(targets);
}
}
}
Ok(Vec::new())
}
fn parse_csv_targets(input: &str) -> Vec<String> {
input
.lines()
.map(str::trim)
.filter(|line| !line.is_empty() && !line.starts_with('#'))
.filter_map(|line| line.split(',').next())
.map(str::trim)
.map(strip_quotes)
.filter(|entry| !entry.is_empty())
.filter(|entry| !is_csv_header(entry))
.map(ToString::to_string)
.collect()
}
fn parse_target_list(input: &str) -> Vec<String> {
input
.lines()
.flat_map(|line| line.split(|c: char| c == ',' || c.is_whitespace()))
.map(str::trim)
.map(strip_quotes)
.filter(|entry| !entry.is_empty())
.filter(|entry| !is_csv_header(entry))
.map(ToString::to_string)
.collect()
}
fn load_rtsp_paths(file: Option<&Path>, inline: Option<&str>) -> Result<Vec<String>> {
if let Some(inline) = inline {
let paths = parse_rtsp_paths(inline);
if !paths.is_empty() {
return Ok(paths);
}
}
if let Some(file) = file {
let content = fs::read_to_string(file)
.with_context(|| format!("failed to read RTSP path file {}", file.display()))?;
let paths = parse_rtsp_paths(&content);
if !paths.is_empty() {
return Ok(paths);
}
return Err(anyhow!("arquivo de paths RTSP vazio: {}", file.display()));
}
if let Ok(path) = env::var("RTSP_PATHS_FILE") {
let path = path.trim();
if !path.is_empty() {
return load_rtsp_paths_from_file(Path::new(path));
}
}
if let Ok(value) = env::var("RTSP_PATHS") {
let value = value.trim();
if !value.is_empty() {
let paths = parse_rtsp_paths(value);
if !paths.is_empty() {
return Ok(paths);
}
}
}
load_rtsp_paths_from_file(Path::new("rtsp_paths.txt"))
}
fn load_rtsp_paths_from_file(file: &Path) -> Result<Vec<String>> {
let content = fs::read_to_string(file)
.with_context(|| format!("failed to read RTSP path file {}", file.display()))?;
let paths = parse_rtsp_paths(&content);
if !paths.is_empty() {
return Ok(paths);
}
Err(anyhow!("arquivo de paths RTSP vazio: {}", file.display()))
}
fn parse_rtsp_paths(input: &str) -> Vec<String> {
let mut seen = std::collections::HashSet::new();
input
.lines()
.flat_map(|line| line.split('#').next())
.flat_map(|line| line.split(|c: char| c == ',' || c.is_whitespace()))
.map(str::trim)
.map(strip_quotes)
.filter(|entry| !entry.is_empty())
.filter(|entry| entry.starts_with('/'))
.filter_map(|entry| {
let entry = entry.to_string();
if seen.insert(entry.clone()) {
Some(entry)
} else {
None
}
})
.collect()
}
fn strip_quotes(value: &str) -> &str {
value
.strip_prefix('"')
.and_then(|value| value.strip_suffix('"'))
.or_else(|| {
value
.strip_prefix('\'')
.and_then(|value| value.strip_suffix('\''))
})
.unwrap_or(value)
}
fn is_csv_header(value: &str) -> bool {
matches!(
value.to_ascii_lowercase().as_str(),
"ip" | "host" | "hostname" | "address" | "target" | "camera"
)
}
fn database_url_from_env() -> String {
let value = read_env("DATABASE_URL", "");
if value.is_empty() {
"postgres://postgres:postgres@127.0.0.1:5432/camfinder".to_string()
} else {
value
}
}
fn default_worker_name() -> String {
env::var("WORKER_NAME")
.ok()
.map(|value| value.trim().to_string())
.filter(|value| !value.is_empty())
.unwrap_or_else(|| {
let host = env::var("HOSTNAME").unwrap_or_else(|_| "worker".to_string());
format!("{}-{}", host.trim(), std::process::id())
})
}
fn read_env(name: &str, fallback: &str) -> String {
env::var(name)
.map(|value| value.trim().to_string())
.unwrap_or_else(|_| fallback.to_string())
}
fn parse_socket_addr(name: &str, fallback: &str) -> Result<SocketAddr> {
parse_socket_addr_literal(&read_env(name, fallback))
}
fn parse_socket_addr_literal(value: &str) -> Result<SocketAddr> {
value
.trim()
.parse()
.map_err(|_| anyhow!("invalid socket address: {value}"))
}
fn parse_u16(name: &str, fallback: u16) -> Result<u16> {
parse_number(name, fallback)
}
fn parse_u64(name: &str, fallback: u64) -> Result<u64> {
parse_number(name, fallback)
}
fn parse_usize(name: &str, fallback: usize) -> Result<usize> {
parse_number(name, fallback)
}
fn parse_u16_literal(value: &str) -> Result<u16> {
value
.trim()
.parse()
.map_err(|_| anyhow!("invalid u16 value: {value}"))
}
fn parse_u64_literal(value: &str) -> Result<u64> {
value
.trim()
.parse()
.map_err(|_| anyhow!("invalid u64 value: {value}"))
}
fn parse_usize_literal(value: &str) -> Result<usize> {
value
.trim()
.parse()
.map_err(|_| anyhow!("invalid usize value: {value}"))
}
fn next_value(args: &[String], index: &mut usize, flag: &str) -> Result<String> {
let value_index = *index + 1;
let value = args
.get(value_index)
.ok_or_else(|| anyhow!("missing value for {flag}"))?
.clone();
*index = value_index;
Ok(value)
}
fn default_concurrency() -> usize {
let cpus = std::thread::available_parallelism()
.map(|n| n.get())
.unwrap_or(4);
(cpus.saturating_mul(2)).clamp(4, 64)
}
fn default_chunk_size() -> usize {
default_concurrency().saturating_mul(2).clamp(32, 256)
}
fn parse_number<T>(name: &str, fallback: T) -> Result<T>
where
T: std::str::FromStr + Copy,
{
match env::var(name) {
Ok(value) => value
.trim()
.parse::<T>()
.map_err(|_| anyhow!("invalid value for {name}: {value}")),
Err(_) => Ok(fallback),
}
}