Upgraded dependencies, and simplified response output stream.

.gitea/workflows/ci.yaml

@@ -0,0 +1,19 @@
+name: Build and Test Module
+on:
+  push:
+    paths:
+      - 'source/**'
+      - '.gitea/workflows/ci.yaml'
+  pull_request:
+    types: [opened, reopened, synchronize]
+jobs:
+  build-and-test:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Setup DLang
+        uses: dlang-community/setup-dlang@v2
+        with:
+          compiler: ldc-latest
+      - name: Build and Test
+        run: dub -q test

dub.json

@@ -4,9 +4,9 @@
 	],
 	"copyright": "Copyright © 2024, Andrew Lalis",
 	"dependencies": {
-		"handy-http-primitives": "~>1.0.0",
+		"handy-http-primitives": "~>1",
 		"photon": "~>0.10.2",
-		"streams": "~>3.5.0"
+		"streams": "~>3"
 	},
 	"description": "Implementations of HTTP transport protocols.",
 	"license": "CC0",

dub.selections.json

@@ -1,7 +1,7 @@
 {
 	"fileVersion": 1,
 	"versions": {
-		"handy-http-primitives": "1.0.0",
+		"handy-http-primitives": "1.2.0",
 		"photon": "0.10.2",
 		"sharded-map": "2.7.0",
 		"streams": "3.5.0"

source/handy_http_transport/http1/transport.d

@@ -201,15 +201,15 @@ Either!(string[][string], "headers", StreamError, "error") parseHeaders(S)(S inp
     return Either!(string[][string], "headers", StreamError, "error")(headers);
 }
 
-unittest {
-    class TestHandler : HttpRequestHandler {
-        void handle(ref ServerHttpRequest request, ref ServerHttpResponse response) {
-            response.status = HttpStatus.OK;
-            response.headers.add("Content-Type", "application/json");
-            response.outputStream.writeToStream(cast(ubyte[]) "{\"a\": 1}");
-        }
-    }
+// unittest {
+//     class TestHandler : HttpRequestHandler {
+//         void handle(ref ServerHttpRequest request, ref ServerHttpResponse response) {
+//             response.status = HttpStatus.OK;
+//             response.headers.add("Content-Type", "application/json");
+//             response.outputStream.writeToStream(cast(ubyte[]) "{\"a\": 1}");
+//         }
+//     }
 
-    HttpTransport tp = new Http1Transport(new TestHandler(), 8080);
-    tp.start();
-}
+//     HttpTransport tp = new Http1Transport(new TestHandler(), 8080);
+//     tp.start();
+// }

source/handy_http_transport/response_output_stream.d

@@ -50,28 +50,53 @@ struct HttpResponseOutputStream(S) if (isByteOutputStream!S) {
      * Returns: The stream result of writing.
      */
     StreamResult writeHeaders() {
-        // TODO: Come up with a better way of writing headers than string concatenation.
         size_t idx = 0;
         char[6] statusCodeBuffer; // Normal HTTP codes are 3 digits, but this leaves room for extensions.
         writeUIntToBuffer(response.status.code, statusCodeBuffer, idx);
-
-        string statusAndHeaders = "HTTP/1.1 "
-            ~ cast(string) statusCodeBuffer[0..idx]
-            ~ " " ~ response.status.text
-            ~ "\r\n";
+        // Write the status line.
+        StreamResult r = outputStream.writeToStream(cast(ubyte[]) "HTTP/1.1 ");
+        if (r.hasError) return r;
+        size_t writeCount = r.count;
+        r = outputStream.writeToStream(cast(ubyte[]) statusCodeBuffer[0..idx]);
+        if (r.hasError) return r;
+        writeCount += r.count;
+        r = outputStream.writeToStream([' ']);
+        if (r.hasError) return r;
+        writeCount += r.count;
+        r = outputStream.writeToStream(cast(ubyte[]) response.status.text);
+        if (r.hasError) return r;
+        writeCount += r.count;
+        r = outputStream.writeToStream(['\r', '\n']);
+        if (r.hasError) return r;
+        writeCount += r.count;
+        
         foreach (headerName; response.headers.keys) {
-            string headerLine = headerName ~ ": ";
+            // Write the header name.
+            r = outputStream.writeToStream(cast(ubyte[]) headerName);
+            if (r.hasError) return r;
+            writeCount += r.count;
+            r = outputStream.writeToStream([':', ' ']);
+            if (r.hasError) return r;
+            writeCount += r.count;
+            // Write the comma-separated list of values.
             string[] headerValues = response.headers.getAll(headerName);
             for (size_t i = 0; i < headerValues.length; i++) {
-                headerLine ~= headerValues[i];
+                r = outputStream.writeToStream(cast(ubyte[]) headerValues[i]);
+                if (r.hasError) return r;
+                writeCount += r.count;
                 if (i + 1 < headerValues.length) {
-                    headerLine ~= ", ";
+                    r = outputStream.writeToStream([',', ' ']);
+                    if (r.hasError) return r;
+                    writeCount += r.count;
                 }
             }
-            headerLine ~= "\r\n";
-            statusAndHeaders ~= headerLine;
+            r = outputStream.writeToStream(['\r', '\n']);
+            if (r.hasError) return r;
+            writeCount += r.count;
         }
-        statusAndHeaders ~= "\r\n"; // Trailing CLRF before the body.
-        return outputStream.writeToStream(cast(ubyte[]) statusAndHeaders);
+        r = outputStream.writeToStream(['\r', '\n']); // Trailing CLRF before the body.
+        if (r.hasError) return r;
+        writeCount += r.count;
+        return StreamResult(cast(uint) writeCount);
     }
 }