36 lines
978 B
Rust
36 lines
978 B
Rust
use r2r;
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use failure::Error;
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use r2r::example_interfaces::srv::AddTwoInts;
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fn main() -> Result<(), Error> {
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let ctx = r2r::Context::create()?;
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let mut node = r2r::Node::create(ctx, "testnode", "")?;
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let client = node.create_client::<AddTwoInts::Service>("/add_two_ints")?;
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// wait for service to be available
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println!("waiting for service...");
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while !node.service_available(&client)? {
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std::thread::sleep(std::time::Duration::from_millis(1000));
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}
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println!("service available.");
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let mut c = 0;
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loop {
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let req = AddTwoInts::Request { a: 10*c, b: c };
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let cb_req = req.clone();
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let cb = Box::new(move |r: AddTwoInts::Response|
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println!("{} + {} = {}", cb_req.a, cb_req.b, r.sum));
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client.request(&req, cb)?;
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node.spin_once(std::time::Duration::from_millis(1000));
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std::thread::sleep(std::time::Duration::from_millis(1000));
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c+=1;
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}
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}
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