arena

2026-02-18 15:59:49 +02:00
parent 2f5eb84259
commit 188ffed5af
13 changed files with 414 additions and 47 deletions
--- a/examples/32-http-server.sx
+++ b/examples/32-http-server.sx
@@ -3,6 +3,20 @@
 #import "modules/std.sx";
 #import "modules/socket.sx";

+// --- Logger ---
+
+Logger :: struct {
+    prefix: string;
+    count: s64;
+}
+
+log :: (logger: *Logger, msg: string) {
+    logger.count += 1;
+    print("[{}] {}\n", logger.prefix, msg);
+}
+
+
+
 main :: () -> s32 {
    PORT :: 8080;

@@ -29,29 +43,39 @@ main :: () -> s32 {

    print("listening on http://localhost:{}\n", PORT);

+    arena := arena_create(65536);
+    logger := Logger.{ prefix = "http", count = 0 };
+
    while true {
        client := accept(fd, null, null);
        if client < 0 { continue; }

-        // Read request
-        buf : [4096]u8 = ---;
-        read(client, buf, buf.len);
-
-        // Send response
-        body := "<html><body><h1>Hello from sx!</h1></body></html>";
-        response := format("HTTP/1.1 200 OK\r
-Content-Type: text/html\r
-Connection: close\r
-Content-Length: {}\r
-\r
-{}", body.len, body);
-
-        write(client, response, response.len);
+        push Context.{ arena = @arena, data = xx @logger } {
+            handle(client);
+        }

+        arena_reset(@arena);
        close(client);
-        print("  served request\n");
    }

+    arena_destroy(@arena);
    close(fd);
    0;
 }
+
+handle :: (client: s32) {
+    // Read request
+    buf : [4096]u8 = ---;
+    read(client, buf, buf.len);
+
+    body := "<html><body><h1>Hello from sx!</h1></body></html>";
+    response := format("HTTP/1.1 200 OK\r
+Content-Type: text/html\r
+Connection: close\r
+Content-Length: {}\r
+\r\n{}", body.len, body);
+
+    write(client, response, response.len);
+    logger : *Logger = xx context.data;
+    log(logger, format("served request #{}", logger.count + 1));
+}