wip

README.md

@@ -99,7 +99,7 @@ Wasm Workers Server focuses on simplicity. We want you to run workers (written i
 | Go | ✅ | No | [#95](https://github.com/vmware-labs/wasm-workers-server/issues/95) |
 | Ruby | ✅ | [Yes](https://workers.wasmlabs.dev/docs/languages/ruby#installation) | [#63](https://github.com/vmware-labs/wasm-workers-server/issues/63) |
 | Python | ✅ | [Yes](https://workers.wasmlabs.dev/docs/languages/python#installation) | [#63](https://github.com/vmware-labs/wasm-workers-server/issues/63) |
-| Zig | 🚧 | No | [#144](https://github.com/vmware-labs/wasm-workers-server/issues/144) |
+| Zig | ✅ | Yes | [#144](https://github.com/vmware-labs/wasm-workers-server/issues/144) |
 | PHP | 🚧 | No | [#100](https://github.com/vmware-labs/wasm-workers-server/issues/100) |
 
 To get more information about multi-language support in Wasm Workers Server, [check our documentation](https://workers.wasmlabs.dev/docs/languages/introduction).

kits/zig/worker/.gitignore

@@ -1,2 +1,4 @@
 zig-cache/
-zig-out/
+zig-out/
+examples/json.zig
+examples/output.zig

kits/zig/worker/README.md

@@ -2,10 +2,48 @@
 
 This folder contains the Zig kit or SDK for Wasm Workers Server. Currently, it uses the regular STDIN / STDOUT approach to receive the request and provide the response.
 
+> *Note: this assumes Zig `0.11.0`*
+
 ## build
 
-To build example in ./examples
+To build all example in ./examples
 
+```bash
+$ zig build -Dtarget="wasm32-wasi"
 ```
+
+To build a specific example
+
+```bash
+$ zig build-exe examples/<example>.zig -target wasm32-wasi
+```
+
+## testing
+
+from `./kits/zig/worker` execute
+
+```bash
 $ zig build -Dtarget="wasm32-wasi"
+$ wws ./zig-out/bin/
+```
+
+## sockaddr issue
+
+Using `*http.Server.Response` was unsuccessful and lead to following error:
+
+```
+$ worker git:(144_-_add_support_for_zig) ✗ zig build -Dtarget="wasm32-wasi"
+zig build-exe main Debug wasm32-wasi: error: the following command failed with 1 compilation errors:
+/Users/c.voigt/.asdf/installs/zig/0.11.0/zig build-exe /Users/c.voigt/go/src/github.com/voigt/wasm-workers-server/kits/zig/worker/examples/main.zig --cache-dir /Users/c.voigt/go/src/github.com/voigt/wasm-workers-server/kits/zig/worker/zig-cache --global-cache-dir /Users/c.voigt/.cache/zig --name main -target wasm32-wasi -mcpu generic --mod worker::/Users/c.voigt/go/src/github.com/voigt/wasm-workers-server/kits/zig/worker/src/worker.zig --deps worker --listen=- 
+Build Summary: 6/9 steps succeeded; 1 failed (disable with --summary none)
+install transitive failure
+└─ install main transitive failure
+   └─ zig build-exe main Debug wasm32-wasi 1 errors
+/Users/c.voigt/.asdf/installs/zig/0.11.0/lib/std/os.zig:182:28: error: root struct of file 'os.wasi' has no member named 'sockaddr'
+pub const sockaddr = system.sockaddr;
+                     ~~~~~~^~~~~~~~~
+referenced by:
+    Address: /Users/c.voigt/.asdf/installs/zig/0.11.0/lib/std/net.zig:18:12
+    Address: /Users/c.voigt/.asdf/installs/zig/0.11.0/lib/std/net.zig:17:28
+    remaining reference traces hidden; use '-freference-trace' to see all reference traces
 ```

kits/zig/worker/build.zig

@@ -4,6 +4,7 @@ const package_name = "worker";
 const package_path = "src/worker.zig";
 
 const examples = [2][]const u8{ "main", "basic" };
+// const examples = [4][]const u8{ "main", "basic", "json", "output" };
 
 pub fn build(b: *std.Build) void {
     const target = b.standardTargetOptions(.{ });

kits/zig/worker/examples/basic.zig

@@ -1,7 +1,23 @@
 const std = @import("std");
-const w = @import("worker");
+const io = std.io;
+const http = std.http;
+const worker = @import("worker");
+
+var arena = std.heap.ArenaAllocator.init(std.heap.page_allocator);
+const allocator = arena.allocator();
+
+// Not working with *http.Server.Response
+// fn cool(resp: *http.Server.Response, r: *http.Client.Request) void {
+fn requestFn(resp: *worker.Response, r: *http.Client.Request) void {
+    _ = r;
+    std.debug.print("Hello from function\n", .{ });
+
+    _ = &resp.httpHeader.append("content-type", "text/plain");
+    _ = &resp.httpHeader.append("x-generated-by", "wasm-workers-server");
+
+    _ = &resp.writeAll("Zig World!");
+}
 
 pub fn main() !void {
-    var word = w.GetWord();
-    std.debug.print("Hello from {s}!\n", .{ word });
-}
+    worker.ServeFunc(requestFn);
+}

kits/zig/worker/examples/main.zig

@@ -12,6 +12,7 @@ fn requestFn(resp: *worker.Response, r: *http.Client.Request) void {
     _ = r;
     std.debug.print("Hello from function\n", .{ });
 
+    // TODO: prepare to read request body and send it back
     // std.debug.print("+++ doing payload \n", .{ });
     // var payload: []const u8 = "";
     // var reqBody = r.reader().readAllAlloc(allocator, 8192) catch unreachable;