WIP

main.ts

@@ -1,73 +1,50 @@
+import { copy } from "https://deno.land/std@0.157.0/streams/conversion.ts?s=copy";
+import { Buffer } from "https://deno.land/std@0.157.0/io/buffer.ts";
 import { ByteSet } from "https://deno.land/x/bytes@1.0.3/mod.ts";
-import { JsonParseStream } from "https://deno.land/std@0.157.0/encoding/json/stream.ts";
-import { TextLineStream } from "https://deno.land/std@0.156.0/streams/delimiter.ts";
-import { writeAll, copy } from "https://deno.land/std@0.156.0/streams/conversion.ts";
 
-const PORT = 5588
+const QUERY_SIZE = 9;
-const listener = Deno.listen({ port: 5588 })
+const PORT = 5588;
 
-console.log(`Listening on 0.0.0.0:${PORT}`)
+const listener = Deno.listen({ port: 5588 });
+
+console.log(`Listening on 0.0.0.0:${PORT}`);
 
 for await (const conn of listener) {
-  console.log('Connection established:', conn.remoteAddr)
+  console.log("Connection established:", conn.remoteAddr);
   try {
-    meansToAnEnd(conn)
+    meansToAnEnd(conn);
   } catch (e) {
-    console.error(conn.remoteAddr, e)
+    console.error(conn.remoteAddr, e);
   }
-  console.log('Connection closed:', conn.remoteAddr)
+  console.log("Connection closed:", conn.remoteAddr);
 }
 
 // problem 2
-async function meansToAnEnd(conn) {
+async function meansToAnEnd(conn: Deno.Conn) {
-  new ByteSet(
-}
-
-// problem 1
-async function primeTime(conn) {
   try {
-    for await (const request of jsonLines(conn)) {
+    for await (const query of queries(conn)) {
-      console.log('Request:', request)
+      console.log("Query:", query);
-      if (request.method == "isPrime" && typeof request.number == "number") {
+      conn.write(ByteSet.from(Uint8Array.from([0]), "big").buffer);
-        const response = {
-          method: "isPrime",
-          prime: isPrime(request.number),
     }
-        console.log('Response:', response)
+    console.log("Done!");
-        const writeResult = await conn.write(new TextEncoder().encode(JSON.stringify(response) + "\n"))
+  } catch (err) {
-        console.log('Wrote:', writeResult)
+    console.error(err);
-      } else {
-        await conn.write("Malformed!")
-      }
-    }
-  } catch (error) {
-    console.error("Error:", error)
   }
 }
 
-function isPrime(n) {
+function queries(conn: Deno.Conn) {
-  if (!Number.isInteger(n)) return false
-  for (let i = 2, s = Math.sqrt(n); i <= s; i++) if (n % i === 0) return false
-  return n > 1
-}
-
-function jsonLines(conn) {
-  const readable = conn.readable
-    .pipeThrough(new TextDecoderStream())
-    .pipeThrough(new TextLineStream())
-    .pipeThrough(new JsonParseStream())
-
   return {
     async *[Symbol.asyncIterator]() {
-      for await (const data of readable) {
+      const b = new Uint8Array(1024);
-        yield data
+      const q = new Uint8Array();
+      let bytesRead = 0;
+      console.debug(b.length);
+      while (bytesRead < QUERY_SIZE) {
+        const n = await conn.read(b);
+        bytesRead += n;
+        console.debug(n, b.length);
       }
-    }
+      yield q;
-  }
+    },
-}
+  };
-
-// problem 0
-async function echo(conn) {
-  await copy(conn, conn)
-  conn.close()
 }