Merge pull request eclipse-iceoryx#371 from orecham/iox2-98-add-servi…

…ces-list-command

[eclipse-iceoryx#98] add `iox2 services` cli

Cargo.toml

@@ -29,6 +29,7 @@ members = [
     "iceoryx2-cli/iox2-rpc",
     "iceoryx2-cli/iox2-services",
     "iceoryx2-cli/iox2-sub",
+    "iceoryx2-cli/utils",
 
     "examples",
 
@@ -65,6 +66,8 @@ iceoryx2-pal-concurrency-sync = { version = "0.3.0", path = "iceoryx2-pal/concur
 iceoryx2-pal-posix = { version = "0.3.0", path = "iceoryx2-pal/posix/" }
 iceoryx2-pal-configuration = { version = "0.3.0", path = "iceoryx2-pal/configuration/" }
 
+iceoryx2-cli-utils = { version = "0.3.0", path = "iceoryx2-cli/utils/" }
+
 iceoryx2-cal = { version = "0.3.0", path = "iceoryx2-cal" }
 
 iceoryx2-ffi = { version = "0.3.0", path = "iceoryx2-ffi/ffi" }
@@ -91,7 +94,10 @@ once_cell = { version = "1.19.0" }
 ouroboros = { version = "0.18.4" }
 proc-macro2 = { version = "1.0.84" }
 quote = { version = "1.0.36" }
+ron = { version = "0.8" }
 serde = { version = "1.0.203", features = ["derive"] }
+serde_yaml = { version = "0.9.34" }
+serde_json = { version = "1.0" }
 serde_test = { version = "1.0.176" }
 sha1_smol = { version = "1.0.0" }
 syn = { version = "2.0.66", features = ["full"] }

iceoryx2-cli/iox2-services/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "iox2-services"
-description = "Iceoryx2: CLI for managing iceoryx2 services"
+description = "CLI for managing iceoryx2 services"
 categories = { workspace = true }
 edition = { workspace = true }
 homepage = { workspace = true }
@@ -13,3 +13,13 @@ version = { workspace = true }
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
+iceoryx2 = { workspace = true }
+iceoryx2-bb-log = { workspace = true }
+iceoryx2-cli-utils = { workspace = true }
+
+anyhow = { workspace = true }
+better-panic = { workspace = true }
+clap = { workspace = true }
+human-panic = { workspace = true }
+serde = { workspace = true }
+

iceoryx2-cli/iox2-services/src/cli.rs

@@ -0,0 +1,71 @@
+// Copyright (c) 2024 Contributors to the Eclipse Foundation
+//
+// See the NOTICE file(s) distributed with this work for additional
+// information regarding copyright ownership.
+//
+// This program and the accompanying materials are made available under the
+// terms of the Apache Software License 2.0 which is available at
+// https://www.apache.org/licenses/LICENSE-2.0, or the MIT license
+// which is available at https://opensource.org/licenses/MIT.
+//
+// SPDX-License-Identifier: Apache-2.0 OR MIT
+
+use clap::Args;
+use clap::Parser;
+use clap::Subcommand;
+use clap::ValueEnum;
+
+use iceoryx2_cli_utils::help_template;
+
+use crate::Format;
+
+#[derive(Parser)]
+#[command(
+    name = "iox2-services",
+    about = "Query information about iceoryx2 services",
+    long_about = None,
+    version = env!("CARGO_PKG_VERSION"),
+    disable_help_subcommand = true,
+    arg_required_else_help = false,
+    help_template = help_template("iox2-services", false),
+)]
+pub struct Cli {
+    #[clap(subcommand)]
+    pub action: Option<Action>,
+
+    #[clap(long, short = 'f', value_enum, global = true)]
+    pub format: Option<Format>,
+}
+
+#[derive(Debug, Clone, ValueEnum)]
+#[clap(rename_all = "PascalCase")]
+#[derive(Default)]
+pub enum MessagingPatternFilter {
+    PublishSubscribe,
+    Event,
+    #[default]
+    All,
+}
+
+#[derive(Debug, Clone, Args)]
+pub struct DetailsFilter {
+    #[clap(short, long, value_enum, default_value_t = MessagingPatternFilter::All)]
+    pub pattern: MessagingPatternFilter,
+}
+
+#[derive(Parser)]
+pub struct DetailsOptions {
+    #[clap(help = "Name of the service e.g. \"My Service\"")]
+    pub service: String,
+
+    #[command(flatten)]
+    pub filter: DetailsFilter,
+}
+
+#[derive(Subcommand)]
+pub enum Action {
+    #[clap(about = "List all existing services")]
+    List,
+    #[clap(about = "Show details of an existing service")]
+    Details(DetailsOptions),
+}

iceoryx2-cli/iox2-services/src/commands.rs

@@ -0,0 +1,72 @@
+// Copyright (c) 2024 Contributors to the Eclipse Foundation
+//
+// See the NOTICE file(s) distributed with this work for additional
+// information regarding copyright ownership.
+//
+// This program and the accompanying materials are made available under the
+// terms of the Apache Software License 2.0 which is available at
+// https://www.apache.org/licenses/LICENSE-2.0, or the MIT license
+// which is available at https://opensource.org/licenses/MIT.
+//
+// SPDX-License-Identifier: Apache-2.0 OR MIT
+
+use crate::cli::DetailsFilter;
+use crate::output::*;
+use anyhow::{Context, Error, Result};
+use iceoryx2::prelude::*;
+use iceoryx2_cli_utils::Filter;
+use iceoryx2_cli_utils::Format;
+
+pub fn list(format: Format) -> Result<()> {
+    let mut services = ServiceList::new();
+
+    ipc::Service::list(Config::global_config(), |service| {
+        services.push(ServiceDescriptor::from(service));
+        CallbackProgression::Continue
+    })
+    .context("failed to retrieve services")?;
+
+    services.sort_by_key(|pattern| match pattern {
+        ServiceDescriptor::PublishSubscribe(name) => (name.clone(), 0),
+        ServiceDescriptor::Event(name) => (name.clone(), 1),
+        ServiceDescriptor::Undefined(name) => (name.to_string(), 2),
+    });
+
+    print!("{}", format.as_string(&services)?);
+
+    Ok(())
+}
+
+pub fn details(service_name: String, filter: DetailsFilter, format: Format) -> Result<()> {
+    let mut error: Option<Error> = None;
+
+    ipc::Service::list(Config::global_config(), |service| {
+        if service_name == service.static_details.name().to_string() {
+            let description = ServiceDescription::from(&service);
+
+            if filter.matches(&description) {
+                match format.as_string(&description) {
+                    Ok(output) => {
+                        print!("{}", output);
+                        CallbackProgression::Continue
+                    }
+                    Err(e) => {
+                        error = Some(e);
+                        CallbackProgression::Stop
+                    }
+                }
+            } else {
+                // Filter did not match
+                CallbackProgression::Continue
+            }
+        } else {
+            // Service name did not match
+            CallbackProgression::Continue
+        }
+    })?;
+
+    if let Some(err) = error {
+        return Err(err);
+    }
+    Ok(())
+}

iceoryx2-cli/iox2-services/src/filter.rs

@@ -0,0 +1,36 @@
+// Copyright (c) 2024 Contributors to the Eclipse Foundation
+//
+// See the NOTICE file(s) distributed with this work for additional
+// information regarding copyright ownership.
+//
+// This program and the accompanying materials are made available under the
+// terms of the Apache Software License 2.0 which is available at
+// https://www.apache.org/licenses/LICENSE-2.0, or the MIT license
+// which is available at https://opensource.org/licenses/MIT.
+//
+// SPDX-License-Identifier: Apache-2.0 OR MIT
+
+use crate::cli::DetailsFilter;
+use crate::cli::MessagingPatternFilter;
+use crate::output::ServiceDescription;
+use iceoryx2::service::static_config::messaging_pattern::MessagingPattern;
+use iceoryx2_cli_utils::Filter;
+
+impl Filter<ServiceDescription> for MessagingPatternFilter {
+    fn matches(&self, description: &ServiceDescription) -> bool {
+        matches!(
+            (self, &description.pattern),
+            (
+                MessagingPatternFilter::PublishSubscribe,
+                MessagingPattern::PublishSubscribe(_)
+            ) | (MessagingPatternFilter::Event, MessagingPattern::Event(_))
+                | (MessagingPatternFilter::All, _)
+        )
+    }
+}
+
+impl Filter<ServiceDescription> for DetailsFilter {
+    fn matches(&self, description: &ServiceDescription) -> bool {
+        self.pattern.matches(description)
+    }
+}

iceoryx2-cli/iox2-services/src/main.rs

@@ -10,6 +10,64 @@
 //
 // SPDX-License-Identifier: Apache-2.0 OR MIT
 
+#[cfg(not(debug_assertions))]
+use human_panic::setup_panic;
+#[cfg(debug_assertions)]
+extern crate better_panic;
+
+mod cli;
+mod commands;
+mod filter;
+mod output;
+
+use clap::CommandFactory;
+use clap::Parser;
+use cli::Action;
+use cli::Cli;
+use iceoryx2_bb_log::{set_log_level, LogLevel};
+use iceoryx2_cli_utils::Format;
+
 fn main() {
-    println!("Not implemented. Stay tuned!");
+    #[cfg(not(debug_assertions))]
+    {
+        setup_panic!();
+    }
+    #[cfg(debug_assertions)]
+    {
+        better_panic::Settings::debug()
+            .most_recent_first(false)
+            .lineno_suffix(true)
+            .verbosity(better_panic::Verbosity::Full)
+            .install();
+    }
+
+    set_log_level(LogLevel::Warn);
+
+    match Cli::try_parse() {
+        Ok(cli) => {
+            if let Some(action) = cli.action {
+                match action {
+                    Action::List => {
+                        if let Err(e) = commands::list(cli.format.unwrap_or(Format::Ron)) {
+                            eprintln!("Failed to list services: {}", e);
+                        }
+                    }
+                    Action::Details(options) => {
+                        if let Err(e) = commands::details(
+                            options.service,
+                            options.filter,
+                            cli.format.unwrap_or(Format::Ron),
+                        ) {
+                            eprintln!("Failed to retrieve service details: {}", e);
+                        }
+                    }
+                }
+            } else {
+                Cli::command().print_help().expect("Failed to print help");
+            }
+        }
+        Err(e) => {
+            eprintln!("{}", e);
+        }
+    }
 }