sending errors on pub sub!

This commit is contained in:
2025-12-09 18:22:41 -05:00
parent 30cc017081
commit 45e8c4cc08
2 changed files with 23 additions and 17 deletions

View File

@@ -6,7 +6,7 @@ pub const ClientState = struct {
connect: Message.AllocatedConnect,
/// Messages that this client should receive.
recv_queue: std.Io.Queue(Message),
recv_queue: *std.Io.Queue(Message),
recv_queue_buffer: [1024]Message = undefined,
from_client: *std.Io.Reader,
@@ -16,6 +16,7 @@ pub const ClientState = struct {
pub fn init(
io: std.Io,
allocator: std.mem.Allocator,
id: usize,
connect: Message.AllocatedConnect,
in: *std.Io.Reader,
@@ -24,13 +25,13 @@ pub const ClientState = struct {
var res: ClientState = .{
.id = id,
.connect = connect,
.recv_queue = undefined,
.recv_queue = try allocator.create(std.Io.Queue(Message)),
.from_client = in,
.to_client = out,
.task = undefined,
};
res.recv_queue = .init(&res.recv_queue_buffer);
res.task = try io.concurrent(processWrite, .{ &res, io, out });
res.recv_queue.* = .init(&res.recv_queue_buffer);
res.task = try io.concurrent(processWrite, .{ &res, io });
return res;
}
@@ -38,23 +39,24 @@ pub const ClientState = struct {
fn processWrite(
self: *ClientState,
io: std.Io,
out: *std.Io.Writer,
) void {
std.debug.print("out pointer in write proc: {*}\n", .{self.to_client});
std.debug.print("recv queue in write proc: {*}\n", .{&self.recv_queue});
while (true) {
const message = self.recv_queue.getOne(io) catch continue;
std.debug.print("got message in write loop to send to client: {any}\n", .{message});
switch (message) {
.@"+ok" => {
writeOk(out) catch break;
writeOk(self.to_client) catch break;
},
.pong => {
writePong(out) catch break;
writePong(self.to_client) catch break;
},
.info => |info| {
writeInfo(out, info) catch break;
writeInfo(self.to_client, info) catch break;
},
.msg => |m| {
writeMsg(out, m) catch break;
writeMsg(self.to_client, m) catch break;
},
else => {
std.debug.panic("unimplemented write", .{});
@@ -63,9 +65,10 @@ pub const ClientState = struct {
}
}
pub fn deinit(self: *ClientState, io: std.Io) void {
pub fn deinit(self: *ClientState, io: std.Io, allocator: std.mem.Allocator) void {
self.task.cancel(io);
self.connect.deinit();
allocator.destroy(self.recv_queue);
}
/// Return true if the value was put in the clients buffer to process, else false.
@@ -89,11 +92,10 @@ fn writeOk(out: *std.Io.Writer) !void {
}
pub fn writePong(out: *std.Io.Writer) !void {
std.debug.print("out pointer: {*}\n", .{out});
std.debug.print("writing pong\n", .{});
for (0..10000) |_| {
_ = try out.write("PONG\r\n");
try out.flush();
}
}
pub fn writeInfo(out: *std.Io.Writer, info: Message.ServerInfo) !void {

View File

@@ -63,6 +63,8 @@ fn handleConnection(
var writer = stream.writer(io, &w_buffer);
const out = &writer.interface;
std.debug.print("out pointer in client handler: {*}\n", .{out});
var r_buffer: [8192]u8 = undefined;
var reader = stream.reader(io, &r_buffer);
const in = &reader.interface;
@@ -71,8 +73,8 @@ fn handleConnection(
var connect_arena: std.heap.ArenaAllocator = .init(allocator);
defer connect_arena.deinit();
const connect = (Message.next(connect_arena.allocator(), in) catch return).connect;
var client_state: ClientState = try .init(io, id, connect, in, out);
defer client_state.deinit(io);
var client_state: ClientState = try .init(io, allocator, id, connect, in, out);
defer client_state.deinit(io, allocator);
try server.addClient(allocator, id, &client_state);
defer server.removeClient(allocator, id);
@@ -107,7 +109,9 @@ fn handleConnection(
switch (msg) {
.ping => {
std.debug.print("got a ping! sending a pong.\n", .{});
@import("./client.zig").writePong(out) catch return;
std.debug.print("recv queue in server loop: {*}\n", .{&client_state.recv_queue});
// @import("./client.zig").writePong(out) catch return;
for (0..5) |_| {
if (try client_state.send(io, .pong)) {
std.debug.print("sent pong\n", .{});