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use hyperlane::*;
async fn optimized_response_handler(ctx: Context) {
let start_time = std::time::Instant::now();
// 设置最优响应头
ctx.set_response_status_code(200)
.await
.set_response_header(CONTENT_TYPE, "application/json")
.await
.set_response_header("Cache-Control", "public, max-age=3600")
.await
.set_response_header("X-Content-Optimized", "true")
.await;
// 生成优化响应
let response_data = generate_optimized_response().await;
let processing_time = start_time.elapsed();
ctx.set_response_header("X-Processing-Time",
format!("{:.3}ms", processing_time.as_secs_f64() * 1000.0))
.await;
ctx.set_response_body(response_data).await;
}
async fn streaming_response_handler(ctx: Context) {
// 初始化流式响应
ctx.set_response_status_code(200)
.await
.set_response_header(CONTENT_TYPE, "application/json")
.await
.set_response_header("Transfer-Encoding", "chunked")
.await
.send()
.await;
// 分块流式传输响应
let _ = ctx.set_response_body("[").await.send_body().await;
for i in 0..1000 {
let chunk = if i == 0 {
format!(r#"{{"id": {}, "data": "Item {}"}} "#, i, i)
} else {
format!(r#",{{"id": {}, "data": "Item {}"}} "#, i, i)
};
if ctx.set_response_body(chunk).await.send_body().await.is_err() {
break; // 客户端断开连接
}
// 定期让出控制权防止阻塞
if i % 100 == 0 {
tokio::task::yield_now().await;
}
}
let _ = ctx.set_response_body("]").await.send_body().await;
let _ = ctx.closed().await;
}
async fn large_data_streaming_handler(ctx: Context) {
// 高效流式传输大型数据集
ctx.set_response_status_code(200)
.await
.set_response_header(CONTENT_TYPE, "text/plain")
.await
.set_response_header("Content-Disposition", "attachment; filename=large_data.txt")
.await
.send()
.await;
// 生成并流式传输大型数据集
for chunk_id in 0..10000 {
let chunk_data = generate_data_chunk(chunk_id).await;
if ctx.set_response_body(chunk_data).await.send_body().await.is_err() {
break; // 客户端断开连接
}
// 小延迟模拟数据生成
if chunk_id % 1000 == 0 {
tokio::time::sleep(tokio::time::Duration::from_millis(1)).await;
}
}
let _ = ctx.closed().await;
}
async fn generate_optimized_response() -> String {
// 使用最优数据结构生成响应
let mut response = String::with_capacity(1024); // 预分配容量
response.push_str(r#"{"status": "success", "data": ["#);
for i in 0..100 {
if i > 0 {
response.push(',');
}
response.push_str(&format!(r#"{{"id": {}, "value": {}}}"#, i, i * 2));
}
response.push_str("]}");
response
}
async fn generate_data_chunk(chunk_id: usize) -> String {
// 高效生成数据块
format!("Chunk {}: {}\n", chunk_id, "x".repeat(100))
}
async fn compressed_response_handler(ctx: Context) {
// 处理响应压缩
let accept_encoding = ctx.get_request_header("Accept-Encoding").await;
let supports_compression = accept_encoding
.map(|encoding| encoding.contains("gzip") || encoding.contains("deflate"))
.unwrap_or(false);
ctx.set_response_status_code(200)
.await
.set_response_header(CONTENT_TYPE, "application/json")
.await;
if supports_compression {
ctx.set_response_header("Content-Encoding", "gzip").await;
ctx.set_response_header("Vary", "Accept-Encoding").await;
}
// 生成受益于压缩的大型响应
let large_response = generate_compressible_response().await;
ctx.set_response_body(large_response).await;
}
async fn generate_compressible_response() -> String {
// 生成具有良好压缩性的重复数据响应
let mut response = String::with_capacity(10240);
response.push_str(r#"{"message": "This is a large response with repetitive data", "items": ["#);
for i in 0..1000 {
if i > 0 {
response.push(',');
}
response.push_str(&format!(
r#"{{"id": {}, "name": "Item {}", "description": "This is a description for item {} with repetitive content"}}"#,
i, i, i
));
}
response.push_str("]}");
response
}
#[tokio::main]
async fn main() {
let server: Server = Server::new();
server.host("0.0.0.0").await;
server.port(60000).await;
// 优化响应处理
server.enable_nodelay().await;
server.disable_linger().await;
server.http_buffer_size(8192).await; // 更大的响应缓冲区
server.route("/optimized", optimized_response_handler).await;
server.route("/stream", streaming_response_handler).await;
server.route("/large-data", large_data_streaming_handler).await;
server.route("/compressed", compressed_response_handler).await;
server.run().await.unwrap();
}
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