Reorganized things

src/server/client.zig

@@ -2,85 +2,46 @@ const Message = @import("message_parser.zig").Message;
 const std = @import("std");
 
 pub const ClientState = struct {
-    connect: Message.AllocatedConnect,
+    connect: ?Message.Connect,
 
-    /// Messages that this client should receive.
-    recv_queue: std.Io.Queue(Message) = undefined,
-    recv_queue_buffer: [1024]Message = undefined,
-    // Used to take ownership of values as they are put in the queue.
-    recv_alloc: std.mem.Allocator,
+    write_lock: std.Io.Mutex,
 
     from_client: *std.Io.Reader,
     to_client: *std.Io.Writer,
 
-    task: ?std.Io.Future(void) = null,
-
     pub fn init(
-        connect: Message.AllocatedConnect,
-        alloc: std.mem.Allocator,
+        connect: ?Message.Connect,
         in: *std.Io.Reader,
         out: *std.Io.Writer,
-    ) !ClientState {
-        var res: ClientState = .{
+    ) ClientState {
+        return .{
             .connect = connect,
-            .recv_alloc = alloc,
+            .write_lock = .init,
             .from_client = in,
             .to_client = out,
         };
-        res.recv_queue = .init(&res.recv_queue_buffer);
-
-        return res;
-    }
-
-    pub fn start(self: *ClientState, io: std.Io) !void {
-        self.task = try io.concurrent(processWrite, .{ self, io });
-    }
-
-    fn processWrite(
-        self: *ClientState,
-        io: std.Io,
-    ) void {
-        while (true) {
-            const message = self.recv_queue.getOne(io) catch break;
-            switch (message) {
-                .@"+ok" => {
-                    writeOk(self.to_client) catch break;
-                },
-                .pong => {
-                    writePong(self.to_client) catch break;
-                },
-                .info => |info| {
-                    writeInfo(self.to_client, info) catch break;
-                },
-                .msg => |m| {
-                    defer m.deinit(self.recv_alloc);
-                    writeMsg(self.to_client, m) catch break;
-                },
-                else => {
-                    std.debug.panic("unimplemented write", .{});
-                },
-            }
-        }
-    }
-
-    pub fn deinit(self: *ClientState, io: std.Io, allocator: std.mem.Allocator) void {
-        if (self.task) |*t| {
-            t.cancel(io);
-        }
-        self.connect.deinit();
-        _ = allocator;
-        // allocator.destroy(self.recv_queue);
     }
 
     /// Return true if the value was put in the clients buffer to process, else false.
     pub fn send(self: *ClientState, io: std.Io, msg: Message) !void {
-        // Client needs to own msg that is put in its queue
+        try self.write_lock.lock(io);
+        defer self.write_lock.unlock(io);
+
         switch (msg) {
+            .@"+ok" => {
+                try writeOk(self.to_client);
+            },
+            .pong => {
+                try writePong(self.to_client);
+            },
+            .info => |info| {
+                try writeInfo(self.to_client, info);
+            },
             .msg => |m| {
-                try self.recv_queue.putOne(io, .{ .msg = try m.dupe(self.recv_alloc) });
+                try writeMsg(self.to_client, m);
             },
             else => {
-                try self.recv_queue.putOne(io, msg);
+                std.debug.panic("unimplemented write", .{});
             },
         }
     }