September 2017 Update

Task/Echo-server/Aime/echo-server.aime

@@ -0,0 +1,51 @@
+void
+readc(dispatch w, file i, file o, data b)
+{
+    integer e;
+    data t;
+
+    while (1) {
+        e = f_b_read(i, t, 1 << 10);
+        if (e < 1) {
+            if (e == -1) {
+                w_resign(w, i);
+            }
+
+            break;
+        } else {
+            e = b_frame(t, '\n');
+            if (e != -1) {
+                e += 1;
+                b_rule(b, -1, t, 0, e);
+                f_data(o, b);
+                w_register(w, o);
+                b_bill(b, t, e, ~t - e);
+            } else {
+                b_add(b, t);
+            }
+        }
+    }
+}
+
+void
+serve(dispatch w, file s)
+{
+    file i, o;
+    data b;
+
+    accept(i, o, s, NONBLOCKING_INPUT | NONBLOCKING_OUTPUT);
+    w_watch(w, i, readc, w, i, o, b);
+}
+
+integer
+main(void)
+{
+    dispatch w;
+    file s;
+
+    tcpip_listen(s, 12321, 0);
+    w_watch(w, s, serve, w, s);
+    w_press(w);
+
+    return 0;
+}