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authorVincent Ambo <tazjin@gmail.com>2017-10-20T10·06+0200
committerKarl Erik Asbjørnsen <karl@asbjornsen.org>2017-10-20T11·17+0200
commit10dcab636583a65e58a979016683b2fae7a9a62f (patch)
treeeb384d85c3ca69480481603e4a887ba46cdd580f
parent0e6d521ae0970669e9943231db837de6fb068a9d (diff)
feat: Add command to list and inspect queues
-rw-r--r--.gitignore4
-rw-r--r--Cargo.lock176
-rw-r--r--Cargo.toml8
-rw-r--r--src/main.rs64
4 files changed, 252 insertions, 0 deletions
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 000000000000..5bd19a47c3b3
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,4 @@
+/target/
+**/*.rs.bk
+.idea/
+*.iml
diff --git a/Cargo.lock b/Cargo.lock
new file mode 100644
index 000000000000..54a0009e24eb
--- /dev/null
+++ b/Cargo.lock
@@ -0,0 +1,176 @@
+[root]
+name = "mq"
+version = "0.1.0"
+dependencies = [
+ "clap 2.26.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "posix_mq 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "ansi_term"
+version = "0.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
+[[package]]
+name = "atty"
+version = "0.2.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "kernel32-sys 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.32 (registry+https://github.com/rust-lang/crates.io-index)",
+ "termion 1.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "bitflags"
+version = "0.9.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
+[[package]]
+name = "cfg-if"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
+[[package]]
+name = "clap"
+version = "2.26.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "ansi_term 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "atty 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "bitflags 0.9.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "strsim 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "term_size 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "textwrap 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "unicode-width 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "vec_map 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "kernel32-sys"
+version = "0.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "winapi 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi-build 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "libc"
+version = "0.2.32"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
+[[package]]
+name = "nix"
+version = "0.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "bitflags 0.9.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cfg-if 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.32 (registry+https://github.com/rust-lang/crates.io-index)",
+ "void 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "posix_mq"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "libc 0.2.32 (registry+https://github.com/rust-lang/crates.io-index)",
+ "nix 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "redox_syscall"
+version = "0.1.31"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
+[[package]]
+name = "redox_termios"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "redox_syscall 0.1.31 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "strsim"
+version = "0.6.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
+[[package]]
+name = "term_size"
+version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "kernel32-sys 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.32 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "termion"
+version = "1.5.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "libc 0.2.32 (registry+https://github.com/rust-lang/crates.io-index)",
+ "redox_syscall 0.1.31 (registry+https://github.com/rust-lang/crates.io-index)",
+ "redox_termios 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "textwrap"
+version = "0.8.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "term_size 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "unicode-width 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "unicode-width"
+version = "0.1.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
+[[package]]
+name = "vec_map"
+version = "0.8.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
+[[package]]
+name = "void"
+version = "1.0.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
+[[package]]
+name = "winapi"
+version = "0.2.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
+[[package]]
+name = "winapi-build"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
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+"checksum cfg-if 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "d4c819a1287eb618df47cc647173c5c4c66ba19d888a6e50d605672aed3140de"
+"checksum clap 2.26.2 (registry+https://github.com/rust-lang/crates.io-index)" = "3451e409013178663435d6f15fdb212f14ee4424a3d74f979d081d0a66b6f1f2"
+"checksum kernel32-sys 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "7507624b29483431c0ba2d82aece8ca6cdba9382bff4ddd0f7490560c056098d"
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diff --git a/Cargo.toml b/Cargo.toml
new file mode 100644
index 000000000000..73d087f69b97
--- /dev/null
+++ b/Cargo.toml
@@ -0,0 +1,8 @@
+[package]
+name = "mq"
+version = "0.1.0"
+authors = ["Vincent Ambo <tazjin@gmail.com>"]
+
+[dependencies]
+posix_mq = "0.1.1"
+clap = "2.26.2"
diff --git a/src/main.rs b/src/main.rs
new file mode 100644
index 000000000000..8cc30424a060
--- /dev/null
+++ b/src/main.rs
@@ -0,0 +1,64 @@
+extern crate clap;
+extern crate posix_mq;
+
+use clap::{App, SubCommand, Arg, AppSettings};
+use posix_mq::{Name, Queue};
+
+fn run_ls() {
+    use std::fs::{read_dir, File};
+    use std::io::Read;
+
+    let mqueues = read_dir("/dev/mqueue")
+        .expect("Could not read message queues");
+
+    mqueues.for_each(|queue| {
+        //let queue_name = (&queue.unwrap().file_name()).into_string().unwrap();
+        let path = queue.unwrap().path();
+        let status = {
+            let mut file = File::open(&path)
+                .expect("Could not open queue file");
+
+            let mut content = String::new();
+            file.read_to_string(&mut content).expect("Could not read queue file");
+
+            content
+        };
+
+        let queue_name = path.components().last().unwrap().as_os_str();
+        println!("{:?}: {}", queue_name, status)
+    });
+}
+
+fn run_inspect(queue_name: &str) {
+    let name = Name::new(queue_name).expect("Invalid queue name");
+    let queue = Queue::open(name).expect("Could not open queue");
+
+    println!("Queue {}:\n", queue_name);
+    println!("Max. message size: {} bytes", queue.max_size());
+    println!("Max. # of pending messages: {}", queue.max_pending());
+}
+
+fn main() {
+    let ls = SubCommand::with_name("ls").about("list message queues");
+    let inspect = SubCommand::with_name("inspect")
+        .about("inspect details about a queue")
+        .arg(Arg::with_name("queue")
+            .short("q")
+            .required(true)
+            .takes_value(true));
+
+
+    let matches = App::new("mq")
+        .setting(AppSettings::SubcommandRequiredElseHelp)
+        .version("0.0.1")
+        .about("Administrate and inspect POSIX message queues")
+        .subcommand(ls)
+        .subcommand(inspect)
+        .get_matches();
+
+    match matches.subcommand() {
+        ("ls", _) => run_ls(),
+        ("inspect", Some(cmd)) => run_inspect(cmd.value_of("queue").unwrap()),
+        _ => unimplemented!(),
+    }
+}