Add a timeout CLI option

Adds a way to change the client's timeout on the command line.

Signed-off-by: Hugues de Valon <[email protected]>

Cargo.toml

@@ -15,7 +15,7 @@ documentation = "https://docs.rs/crate/parsec-tool"
 ansi_term = "0.12.1"
 atty = "0.2.14"
 clap = "3.0.0-beta.1"
-parsec-client = { git = "https://github.com/parallaxsecond/parsec-client-rust", rev = "a915d9aacb9eed868b1afb4f206086561aa58e1f" }
+parsec-client = { git = "https://github.com/parallaxsecond/parsec-client-rust", rev = "2d71624a6fd4a5fdf9ee2eaef34eb94751313442" }
 structopt = "0.3.17"
 thiserror = "1.0.20"
 env_logger = "0.8.2"

README.md

@@ -7,6 +7,15 @@
 This repository contains a tool to communicate with the [Parsec
 service](https://github.com/parallaxsecond/parsec) on the command-line.
 
+For demos and to test the Parsec service, you might want to change the Parsec endpoint location.
+For that, set the `PARSEC_SERVICE_ENDPOINT` environment variable to correction endpoint.
+
+To set a Unix Domain Socket Listener endpoint at `/tmp/parsec.sock`:
+
+```
+$ export PARSEC_SERVICE_ENDPOINT=unix:/tmp/parsec.sock
+```
+
 # Demo
 
 [![asciicast](https://asciinema.org/a/bGRK4lFZnCq3UZQSWa7vQfuT5.svg)](https://asciinema.org/a/bGRK4lFZnCq3UZQSWa7vQfuT5)

src/cli/mod.rs

@@ -15,6 +15,11 @@ pub struct ParsecToolApp {
     #[structopt(short = "p", long = "provider")]
     pub provider: Option<u8>,
 
+    /// The timeout time used for all commands in seconds. Will use the client's default if not specified. If
+    /// set to 0, will not use any timeout and will block indefinitely.
+    #[structopt(short = "t", long = "timeout")]
+    pub timeout: Option<u32>,
+
     /// The subcommand -- e.g., ping.
     #[structopt(subcommand)]
     pub subcommand: Subcommand,

src/main.rs

@@ -31,6 +31,15 @@ fn main() -> std::io::Result<()> {
         client.set_implicit_provider(provider);
     }
 
+    if let Some(timeout) = matches.timeout {
+        let timeout = if timeout == 0 {
+            None
+        } else {
+            Some(std::time::Duration::from_secs(timeout.into()))
+        };
+        client.set_timeout(timeout);
+    }
+
     matches.subcommand.run(client).map_err(|e| {
         err!("{:?}", e);
         std::io::Error::new(std::io::ErrorKind::Other, "Executing subcommand failed.")