[ISSUE #6323]🚀Add producer_with_timeout example for RocketMQ (#6324)

Author: mxsm

rocketmq-example/Cargo.toml

@@ -48,4 +48,8 @@ path = "examples/consumer/pop_consumer.rs"
 
 [[example]]
 name = "producer-simple"
-path = "examples/producer/producer_simple.rs"
+path = "examples/producer/producer_simple.rs"
+
+[[example]]
+name = "producer-with-timeout"
+path = "examples/producer/producer_with_timeout.rs"

rocketmq-example/examples/producer/producer_with_timeout.rs

@@ -0,0 +1,90 @@
+// Copyright 2023 The RocketMQ Rust Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+use rocketmq_client_rust::producer::default_mq_producer::DefaultMQProducer;
+use rocketmq_client_rust::producer::mq_producer::MQProducer;
+use rocketmq_common::common::message::message_single::Message;
+use rocketmq_error::RocketMQResult;
+use rocketmq_rust::rocketmq;
+
+pub const MESSAGE_COUNT: usize = 1;
+pub const PRODUCER_GROUP: &str = "producer_with_timeout";
+pub const DEFAULT_NAMESRVADDR: &str = "127.0.0.1:9876";
+pub const TOPIC: &str = "ProducerTimeoutTest";
+pub const TAG: &str = "TagA";
+
+// Send timeout in milliseconds
+pub const SEND_TIMEOUT_MS: u64 = 3000;
+
+#[rocketmq::main]
+pub async fn main() -> RocketMQResult<()> {
+    // init logger
+    rocketmq_common::log::init_logger()?;
+
+    // create a producer builder with default configuration
+    let mut producer = DefaultMQProducer::builder()
+        .producer_group(PRODUCER_GROUP)
+        .name_server_addr(DEFAULT_NAMESRVADDR)
+        .build();
+
+    producer.start().await?;
+
+    // Example 1: Set delay level (1-18 for predefined levels)
+    let message = Message::builder()
+        .topic(TOPIC)
+        .tags(TAG)
+        .body("Hello RocketMQ with delay level")
+        .delay_level(3)
+        .build()?;
+    let send_result = producer.send_with_timeout(message, SEND_TIMEOUT_MS).await?;
+    println!("send result with delay level: {:?}", send_result);
+
+    // Example 2: Set delay time in seconds
+    let message = Message::builder()
+        .topic(TOPIC)
+        .tags(TAG)
+        .body("Hello RocketMQ with delay seconds")
+        .delay_secs(60)
+        .build()?;
+    let send_result = producer.send_with_timeout(message, SEND_TIMEOUT_MS).await?;
+    println!("send result with delay seconds: {:?}", send_result);
+
+    // Example 3: Set delay time in milliseconds
+    let message = Message::builder()
+        .topic(TOPIC)
+        .tags(TAG)
+        .body("Hello RocketMQ with delay millis")
+        .delay_millis(5000)
+        .build()?;
+    let send_result = producer.send_with_timeout(message, SEND_TIMEOUT_MS).await?;
+    println!("send result with delay millis: {:?}", send_result);
+
+    // Example 4: Set delivery time (absolute timestamp in milliseconds)
+    let current_time = std::time::SystemTime::now()
+        .duration_since(std::time::UNIX_EPOCH)
+        .unwrap()
+        .as_millis() as u64;
+    let deliver_time = current_time + 10_000; // deliver after 10 seconds
+    let message = Message::builder()
+        .topic(TOPIC)
+        .tags(TAG)
+        .body("Hello RocketMQ with deliver time")
+        .deliver_time_ms(deliver_time)
+        .build()?;
+    let send_result = producer.send_with_timeout(message, SEND_TIMEOUT_MS).await?;
+    println!("send result with deliver time: {:?}", send_result);
+
+    producer.shutdown().await;
+    Ok(())
+}