Clients are working.
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79f9fdc3e2
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2ad505b305
@ -97,7 +97,6 @@ pub const Context = struct {
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const newfd = stream.handle;
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errdefer std.os.closeSocket(newfd);
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var newcon = Connection.init(ctype, path);
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newcon.client = stream;
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try self.connections.append(newcon);
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try self.pollfd.append(.{ .fd = newfd
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, .events = std.os.linux.POLL.IN
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@ -254,29 +253,26 @@ pub const Context = struct {
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print("read index {}\n", .{index});
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var buffer: [2000000]u8 = undefined; // TODO: FIXME??
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var origin: i32 = undefined;
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var packet_size: usize = undefined;
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// TODO: this is a problem from the network API in Zig,
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// servers and clients are different, they aren't just fds.
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// Maybe there is something to change in the API.
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if (self.connections.items[index].t == .IPC) {
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var client = self.connections.items[index].client
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orelse return error.NoClientHere;
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var stream: net.Stream = client.stream;
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origin = stream.handle;
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packet_size = try stream.read(buffer[0..]);
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}
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else if (self.connections.items[index].t == .SERVER) {
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if (self.connections.items[index].t == .SERVER) {
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return error.messageOnServer;
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}
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// This may be kinda hacky, idk.
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var fd = self.pollfd.items[index].fd;
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var stream: net.Stream = .{ .handle = fd };
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packet_size = try stream.read(buffer[0..]);
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// Let's handle this as a disconnection.
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if (packet_size <= 4) {
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return null;
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}
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return try Message.read(origin, buffer[0..], self.allocator);
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return try Message.read(fd, buffer[0..], self.allocator);
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}
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// Wait an event.
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@ -340,74 +336,81 @@ pub const Context = struct {
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for (self.pollfd.items) |*fd, i| {
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// .revents is POLLIN
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if(fd.revents & std.os.linux.POLL.IN > 0) {
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// SERVER = new connection
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// SERVER = new connection
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if (self.connections.items[i].t == .SERVER) {
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try self.accept_new_client(¤t_event, i);
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return current_event;
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}
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// SWITCHED = send message to the right dest (or drop the switch)
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// SWITCHED = send message to the right dest (or drop the switch)
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else if (self.connections.items[i].t == .SWITCHED) {
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// TODO: send message to SWITCH dest
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// TODO: handle_switched_message
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return Event.init(Event.Type.SWITCH, i, fd.fd, null);
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}
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// EXTERNAL = user handles IO
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// EXTERNAL = user handles IO
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else if (self.connections.items[i].t == .EXTERNAL) {
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return Event.init(Event.Type.EXTERNAL, i, fd.fd, null);
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}
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// otherwise = new message or disconnection
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else {
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// TODO: handle incoming message
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// TODO: handle_new_message
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var maybe_message = try self.read(i);
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if (maybe_message) |m| {
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// otherwise = new message or disconnection
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else {
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// TODO: handle incoming message
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// TODO: handle_new_message
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var maybe_message = self.read(i) catch |err| switch(err) {
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error.ConnectionResetByPeer => {
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print("connection reset by peer\n", .{});
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try self.close(i);
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return Event.init(Event.Type.DISCONNECTION, i, fd.fd, null);
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},
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else => { return err; },
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};
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if (maybe_message) |m| {
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return Event.init(Event.Type.MESSAGE, i, fd.fd, m);
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}
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try self.close(i);
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return Event.init(Event.Type.DISCONNECTION, i, fd.fd, null);
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}
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}
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}
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// .revent is POLLOUT
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if(fd.revents & std.os.linux.POLL.OUT > 0) {
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fd.events &= ~ @as(i16, std.os.linux.POLL.OUT);
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fd.events &= ~ @as(i16, std.os.linux.POLL.OUT);
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// SWITCHED = write message for its switch buddy (callbacks)
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// SWITCHED = write message for its switch buddy (callbacks)
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if (self.connections.items[i].t == .SWITCHED) {
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// TODO: handle_writing_switched_message
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// TODO: handle_writing_switched_message
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return Event.init(Event.Type.SWITCH, i, fd.fd, null);
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}
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}
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else {
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// otherwise = write message for the msg.fd
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// TODO: handle_writing_message
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// otherwise = write message for the msg.fd
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// TODO: handle_writing_message
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var index: usize = undefined;
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for (self.tx.items) |m, index_| {
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if (m.fd == self.pollfd.items[i].fd) {
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index = index_;
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break;
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}
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}
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var index: usize = undefined;
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for (self.tx.items) |m, index_| {
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if (m.fd == self.pollfd.items[i].fd) {
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index = index_;
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break;
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}
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}
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var m = self.tx.swapRemove(index);
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try self.write (m);
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m.deinit();
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try self.write (m);
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m.deinit();
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return Event.init(Event.Type.TX, i, fd.fd, null);
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}
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}
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// .revent is POLLHUP
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// .revent is POLLHUP
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if(fd.revents & std.os.linux.POLL.HUP > 0) {
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// handle disconnection
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// handle disconnection
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current_event = Event.init(Event.Type.DISCONNECTION, i, fd.fd, null);
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try self.close(i);
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return current_event;
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}
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// if fd revent is POLLERR or POLLNVAL
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// if fd revent is POLLERR or POLLNVAL
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if ((fd.revents & std.os.linux.POLL.HUP > 0) or
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(fd.revents & std.os.linux.POLL.NVAL > 0)) {
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return Event.init(Event.Type.ERROR, i, fd.fd, null);
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}
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}
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}
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// TODO: check for LOOKUP events.
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