2022-02-05 13:16:44 +01:00
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|
const std = @import("std");
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const testing = std.testing;
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2022-02-07 18:30:06 +01:00
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const net = std.net;
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2022-02-05 13:16:44 +01:00
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|
2022-02-08 05:59:18 +01:00
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|
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// TODO: file descriptors should have a specific type (but i32 is used in std.net...).
|
2022-02-06 18:11:01 +01:00
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// TODO: path => std.XXX.YYY, not simple [] const u8
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|
2022-02-08 05:59:18 +01:00
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|
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// TODO: both ConnectionInfos and pollfd store file descriptors.
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|
|
// ConnectionInfos stores either Stream (server) or Address (client).
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|
|
// TODO: API should completely obfuscate the inner structures.
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|
// Only structures in this file should be necessary.
|
2022-02-05 13:16:44 +01:00
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pub const RUNDIR = "/run/ipc/";
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pub const IPC_HEADER_SIZE = 6;
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pub const IPC_BASE_SIZE = 2000000; // 2 MB, plenty enough space for messages
|
2022-02-08 05:59:18 +01:00
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pub const IPC_MAX_MESSAGE_SIZE = IPC_BASE_SIZE-IPC_HEADER_SIZE;
|
2022-02-05 13:16:44 +01:00
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pub const IPC_VERSION = 4;
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const print = std.debug.print;
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pub const IPC_TYPE = enum {
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UNIX_SOCKETS
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|
};
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pub const MessageType = enum {
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SERVER_CLOSE,
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ERR,
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DATA,
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NETWORK_LOOKUP,
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};
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|
pub const Message = struct {
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2022-02-06 00:32:16 +01:00
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@"type": MessageType, // Internal message type.
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user_type: u8, // User-defined message type (arbitrary).
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fd: usize, // File descriptor concerned about this message.
|
2022-02-05 13:16:44 +01:00
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payload: []const u8,
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const Self = @This();
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|
|
pub fn init(fd: usize,
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|
|
@"type": MessageType,
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|
user_type: u8,
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|
|
payload: []const u8) Self {
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|
return Message {
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|
|
.fd = fd,
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|
|
.@"type" = @"type",
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|
|
.user_type = user_type,
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|
|
.payload = payload,
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|
|
};
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|
}
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|
2022-02-06 00:32:16 +01:00
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|
|
pub fn format(
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|
|
self: Self,
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|
|
comptime _: []const u8, // No need.
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|
|
_: std.fmt.FormatOptions, // No need.
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|
|
out_stream: anytype,
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|
|
) !void {
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|
|
try std.fmt.format(out_stream, "fd: {}, type {}, usertype {}, payload: {s}",
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|
|
.{self.fd, self.@"type", self.user_type, self.payload} );
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|
|
}
|
2022-02-05 13:16:44 +01:00
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|
|
// del == list.swapRemove(index)
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|
|
};
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|
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|
|
|
|
test "Message - creation and display" {
|
2022-02-07 03:24:39 +01:00
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|
|
print("\n", .{});
|
2022-02-05 13:16:44 +01:00
|
|
|
// fd type usertype payload
|
2022-02-06 00:32:16 +01:00
|
|
|
var s = "hello!!";
|
2022-02-05 13:16:44 +01:00
|
|
|
var m = Message.init(1, MessageType.DATA, 3, s);
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|
2022-02-06 16:57:23 +01:00
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|
|
print("message:\t[{}]\n", .{m});
|
2022-02-07 03:24:39 +01:00
|
|
|
print("\n", .{});
|
2022-02-05 13:16:44 +01:00
|
|
|
}
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|
|
pub const Messages = std.ArrayList(Message);
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|
|
// Event types.
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|
// In the main event loop, servers and clients can receive connections,
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|
|
// disconnections, errors or messages from their pairs. They also can
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|
|
// set a timer so the loop will allow a periodic routine (sending ping
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|
// messages for websockets, for instance).
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|
//
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|
|
// A few other events can occur.
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|
|
//
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|
|
// Extra socket
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|
|
// The main loop waiting for an event can be used as an unique entry
|
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|
|
// point for socket management. libipc users can register sockets via
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|
|
// ipc_add_fd allowing them to trigger an event, so events unrelated
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|
|
|
// to libipc are managed the same way.
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|
|
// Switch
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|
|
|
// libipc can be used to create protocol-related programs, such as a
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|
|
// websocket proxy allowing libipc services to be accessible online.
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|
|
// To help those programs (with TCP-complient sockets), two sockets
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|
|
// can be bound together, each message coming from one end will be
|
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|
|
// automatically transfered to the other socket and a Switch event
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|
|
// will be triggered.
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|
|
// Look Up
|
|
|
|
// When a client establishes a connection to a service, it asks the
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|
|
|
// ipc daemon (ipcd) to locate the service and establish a connection
|
|
|
|
// to it. This is a lookup.
|
|
|
|
|
|
|
|
pub const EventType = enum {
|
2022-02-06 00:32:16 +01:00
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|
|
NOT_SET, // Default. TODO: should we keep this?
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|
|
|
ERROR, // A problem occured.
|
2022-02-05 13:16:44 +01:00
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|
|
EXTRA_SOCKET, // Message received from a non IPC socket.
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|
SWITCH, // Message to send to a corresponding fd.
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CONNECTION, // New user.
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|
DISCONNECTION, // User disconnected.
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|
MESSAGE, // New message.
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|
|
LOOKUP, // Client asking for a service through ipcd.
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|
|
TIMER, // Timeout in the poll(2) function.
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|
|
TX, // Message sent.
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|
|
|
};
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|
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|
2022-02-06 00:32:16 +01:00
|
|
|
// For IO callbacks (switching).
|
|
|
|
pub const EventCallBack = enum {
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|
|
|
NO_ERROR, // No error. A message was generated.
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|
|
FD_CLOSING, // The fd is closing.
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|
|
|
FD_ERROR, // Generic error.
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|
|
|
PARSING_ERROR, // The message was read but with errors.
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|
|
|
IGNORE, // The message should be ignored (protocol specific).
|
|
|
|
};
|
2022-02-05 13:16:44 +01:00
|
|
|
|
2022-02-06 00:32:16 +01:00
|
|
|
pub const Event = struct {
|
2022-02-05 13:16:44 +01:00
|
|
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|
|
|
@"type": EventType,
|
|
|
|
index: u32,
|
|
|
|
origin: usize,
|
|
|
|
m: ?*Message, // message pointer
|
|
|
|
|
|
|
|
const Self = @This();
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|
|
|
|
|
|
|
pub fn init(@"type": EventType,
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|
|
|
index: u32,
|
|
|
|
origin: usize,
|
|
|
|
m: ?*Message) Self {
|
|
|
|
return Self {
|
|
|
|
.@"type" = @"type",
|
|
|
|
.index = index,
|
|
|
|
.origin = origin,
|
|
|
|
.m = m,
|
|
|
|
};
|
|
|
|
}
|
|
|
|
|
|
|
|
pub fn set(self: *Self,
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|
|
|
@"type": EventType,
|
|
|
|
index: u32,
|
|
|
|
origin: usize,
|
|
|
|
m: ?*Message) void {
|
|
|
|
self.@"type" = @"type";
|
|
|
|
self.index = index;
|
|
|
|
self.origin = origin;
|
|
|
|
self.m = m;
|
|
|
|
}
|
|
|
|
|
|
|
|
pub fn clean(self: *Self) void {
|
|
|
|
self.@"type" = EventType.NOT_SET;
|
|
|
|
self.index = @as(u8,0);
|
|
|
|
self.origin = @as(usize,0);
|
|
|
|
if (self.m) |message| {
|
|
|
|
message.deinit();
|
|
|
|
}
|
|
|
|
self.m = null;
|
|
|
|
}
|
|
|
|
|
2022-02-06 16:57:23 +01:00
|
|
|
pub fn format(
|
|
|
|
self: Self,
|
|
|
|
comptime _: []const u8, // No need.
|
|
|
|
_: std.fmt.FormatOptions, // No need.
|
|
|
|
out_stream: anytype,
|
|
|
|
) !void {
|
|
|
|
try std.fmt.format(out_stream
|
|
|
|
, "type {}, origin: {}, index {}, message: [{}]"
|
|
|
|
, .{ self.@"type", self.origin, self.index, self.m} );
|
|
|
|
}
|
|
|
|
|
2022-02-05 13:16:44 +01:00
|
|
|
};
|
|
|
|
|
2022-02-06 16:57:23 +01:00
|
|
|
test "Event - creation and display" {
|
2022-02-07 03:24:39 +01:00
|
|
|
print("\n", .{});
|
2022-02-06 16:57:23 +01:00
|
|
|
var s = "hello!!";
|
|
|
|
// fd type usertype payload
|
|
|
|
var m = Message.init(1, MessageType.DATA, 3, s);
|
|
|
|
// type index origin message
|
|
|
|
var e = Event.init(EventType.CONNECTION, 5, 8, &m);
|
|
|
|
|
|
|
|
print("event:\t[{}]\n", .{e});
|
2022-02-07 03:24:39 +01:00
|
|
|
print("\n", .{});
|
2022-02-06 16:57:23 +01:00
|
|
|
}
|
2022-02-05 13:16:44 +01:00
|
|
|
|
2022-02-06 00:32:16 +01:00
|
|
|
pub const ConnectionType = enum {
|
|
|
|
IPC, // Standard connection.
|
2022-02-06 16:57:23 +01:00
|
|
|
EXTERNAL, // Non IPC connection (TCP, UDP, etc.).
|
2022-02-06 00:32:16 +01:00
|
|
|
SERVER, // Messages received = new connections.
|
|
|
|
SWITCHED, // IO operations should go through registered callbacks.
|
|
|
|
};
|
|
|
|
|
2022-02-07 03:24:39 +01:00
|
|
|
pub const ConnectionInfos = struct {
|
2022-02-06 16:57:23 +01:00
|
|
|
@"type": ConnectionType,
|
2022-02-05 13:16:44 +01:00
|
|
|
more_to_read: bool,
|
2022-02-06 16:57:23 +01:00
|
|
|
path: ?[] const u8, // Not always needed.
|
|
|
|
|
2022-02-08 05:59:18 +01:00
|
|
|
server: ?net.StreamServer = null,
|
|
|
|
client: ?net.StreamServer.Connection = null,
|
2022-02-07 18:30:06 +01:00
|
|
|
|
2022-02-06 16:57:23 +01:00
|
|
|
const Self = @This();
|
|
|
|
|
|
|
|
pub fn init(@"type": ConnectionType, path: ?[] const u8) Self {
|
|
|
|
return Self {
|
|
|
|
.@"type" = @"type",
|
|
|
|
.more_to_read = false,
|
|
|
|
.path = path,
|
|
|
|
};
|
|
|
|
}
|
|
|
|
|
2022-02-08 05:59:18 +01:00
|
|
|
pub fn deinit(self: *Self) void {
|
|
|
|
if (self.server) |s| { s.deinit(); }
|
|
|
|
}
|
|
|
|
|
2022-02-06 16:57:23 +01:00
|
|
|
pub fn format(
|
|
|
|
self: Self,
|
|
|
|
comptime _: []const u8, // No need.
|
|
|
|
_: std.fmt.FormatOptions, // No need.
|
|
|
|
out_stream: anytype,
|
|
|
|
) !void {
|
|
|
|
try std.fmt.format(out_stream
|
|
|
|
, "connection type {}, more_to_read {}, path {s}"
|
|
|
|
, .{ self.@"type", self.more_to_read, self.path} );
|
2022-02-08 05:59:18 +01:00
|
|
|
if (self.server) |s| {
|
|
|
|
try std.fmt.format(out_stream, "{}" , .{s});
|
|
|
|
}
|
|
|
|
if (self.client) |c| {
|
|
|
|
try std.fmt.format(out_stream, "{}" , .{c});
|
|
|
|
}
|
2022-02-06 16:57:23 +01:00
|
|
|
}
|
2022-02-05 13:16:44 +01:00
|
|
|
};
|
|
|
|
|
2022-02-07 03:24:39 +01:00
|
|
|
test "ConnectionInfos - creation and display" {
|
|
|
|
print("\n", .{});
|
2022-02-06 16:57:23 +01:00
|
|
|
// origin destination
|
|
|
|
var path = "/some/path";
|
2022-02-07 03:24:39 +01:00
|
|
|
var c1 = ConnectionInfos.init(ConnectionType.EXTERNAL, path);
|
|
|
|
var c2 = ConnectionInfos.init(ConnectionType.IPC , null);
|
2022-02-06 16:57:23 +01:00
|
|
|
print("connection 1:\t[{}]\n", .{c1});
|
|
|
|
print("connection 2:\t[{}]\n", .{c2});
|
2022-02-07 03:24:39 +01:00
|
|
|
print("\n", .{});
|
2022-02-06 16:57:23 +01:00
|
|
|
}
|
|
|
|
|
|
|
|
// TODO: callbacks.
|
2022-02-05 13:16:44 +01:00
|
|
|
pub const Switch = struct {
|
2022-02-06 16:57:23 +01:00
|
|
|
origin : usize,
|
|
|
|
destination : usize,
|
2022-02-05 13:16:44 +01:00
|
|
|
// enum ipccb (*orig_in) (int origin_fd, struct ipc_message *m, short int *more_to_read);
|
|
|
|
// enum ipccb (*orig_out) (int origin_fd, struct ipc_message *m);
|
|
|
|
// enum ipccb (*dest_in) (int origin_fd, struct ipc_message *m, short int *more_to_read);
|
|
|
|
// enum ipccb (*dest_out) (int origin_fd, struct ipc_message *m);
|
2022-02-06 16:57:23 +01:00
|
|
|
|
|
|
|
const Self = @This();
|
|
|
|
|
|
|
|
pub fn init(origin: usize, destination: usize) Self {
|
|
|
|
return Self {
|
|
|
|
.origin = origin,
|
|
|
|
.destination = destination,
|
|
|
|
};
|
|
|
|
}
|
|
|
|
|
|
|
|
pub fn format(
|
|
|
|
self: Self,
|
|
|
|
comptime _: []const u8, // No need.
|
|
|
|
_: std.fmt.FormatOptions, // No need.
|
|
|
|
out_stream: anytype,
|
|
|
|
) !void {
|
|
|
|
try std.fmt.format(out_stream
|
|
|
|
, "switch {} <-> {}"
|
|
|
|
, .{ self.origin, self.destination} );
|
|
|
|
}
|
2022-02-05 13:16:44 +01:00
|
|
|
};
|
|
|
|
|
2022-02-06 16:57:23 +01:00
|
|
|
test "Switch - creation and display" {
|
|
|
|
// origin destination
|
|
|
|
var s = Switch.init(3,8);
|
|
|
|
print("switch:\t[{}]\n", .{s});
|
2022-02-07 03:24:39 +01:00
|
|
|
print("\n", .{});
|
2022-02-06 16:57:23 +01:00
|
|
|
}
|
|
|
|
|
2022-02-05 13:16:44 +01:00
|
|
|
pub const Switches = std.ArrayList(Switch);
|
2022-02-07 03:24:39 +01:00
|
|
|
pub const Connections = std.ArrayList(ConnectionInfos);
|
2022-02-07 18:30:06 +01:00
|
|
|
pub const PollFD = std.ArrayList(i32);
|
2022-02-05 13:16:44 +01:00
|
|
|
|
|
|
|
// Context of the whole networking state.
|
|
|
|
pub const Context = struct {
|
2022-02-06 18:11:01 +01:00
|
|
|
allocator: std.mem.Allocator, // Memory allocator.
|
|
|
|
connections: Connections, // Keep track of connections.
|
|
|
|
|
|
|
|
// TODO: List of "pollfd" structures within cinfos,
|
|
|
|
// so we can pass it to poll(2). Share indexes with 'connections'.
|
2022-02-07 18:30:06 +01:00
|
|
|
// For now, this list doesn't do anything.
|
|
|
|
// Can even be replaced in a near future.
|
|
|
|
pollfd: PollFD, // File descriptors.
|
2022-02-06 18:11:01 +01:00
|
|
|
|
|
|
|
tx: Messages, // Messages to send, once their fd is available.
|
|
|
|
switchdb: ?Switches, // Relations between fd.
|
|
|
|
|
|
|
|
|
|
|
|
const Self = @This();
|
|
|
|
|
2022-02-07 03:24:39 +01:00
|
|
|
// Context initialization:
|
|
|
|
// - init structures (provide the allocator)
|
2022-02-06 18:11:01 +01:00
|
|
|
pub fn init(allocator: std.mem.Allocator) Self {
|
2022-02-07 03:24:39 +01:00
|
|
|
print("Context init\n", .{});
|
2022-02-06 18:11:01 +01:00
|
|
|
return Self {
|
|
|
|
.connections = Connections.init(allocator)
|
2022-02-07 03:24:39 +01:00
|
|
|
, .pollfd = PollFD.init(allocator)
|
2022-02-06 18:11:01 +01:00
|
|
|
, .tx = Messages.init(allocator)
|
|
|
|
, .switchdb = null
|
|
|
|
, .allocator = allocator
|
|
|
|
};
|
|
|
|
}
|
|
|
|
|
2022-02-07 04:35:21 +01:00
|
|
|
pub fn deinit(self: *Self) void {
|
|
|
|
print("connection deinit\n", .{});
|
|
|
|
self.close_all() catch |err| switch(err){
|
|
|
|
error.IndexOutOfBounds => {
|
|
|
|
print("context.deinit(): IndexOutOfBounds\n", .{});
|
|
|
|
},
|
|
|
|
};
|
|
|
|
self.connections.deinit();
|
|
|
|
self.pollfd.deinit();
|
|
|
|
self.tx.deinit();
|
|
|
|
if (self.switchdb) |sdb| { sdb.deinit(); }
|
|
|
|
}
|
|
|
|
|
2022-02-07 18:30:06 +01:00
|
|
|
fn connect_ (self: *Self, ctype: ConnectionType, path: []const u8) !i32 {
|
|
|
|
var stream = try net.connectUnixSocket(path);
|
|
|
|
const newfd = stream.handle;
|
|
|
|
errdefer std.os.closeSocket(newfd);
|
|
|
|
var newcon = ConnectionInfos.init(ctype, path);
|
2022-02-08 05:59:18 +01:00
|
|
|
newcon.client = stream;
|
2022-02-06 18:11:01 +01:00
|
|
|
try self.connections.append(newcon);
|
2022-02-07 03:24:39 +01:00
|
|
|
try self.pollfd.append(newfd);
|
|
|
|
return newfd;
|
|
|
|
}
|
|
|
|
|
2022-02-07 18:30:06 +01:00
|
|
|
// Return the new fd. Can be useful to the caller.
|
|
|
|
pub fn connect(self: *Self, path: []const u8) !i32 {
|
|
|
|
print("connection to:\t{s}\n", .{path});
|
|
|
|
return self.connect_ (ConnectionType.IPC, path);
|
|
|
|
}
|
|
|
|
|
2022-02-07 04:35:21 +01:00
|
|
|
// Connection to a service, but with switched with the client fd.
|
|
|
|
pub fn connection_switched(self: *Self
|
|
|
|
, path: [] const u8
|
2022-02-07 18:30:06 +01:00
|
|
|
, clientfd: i32) !i32 {
|
|
|
|
print("connection switched from {} to path {s}\n", .{clientfd, path});
|
|
|
|
var newfd = try self.connect_ (ConnectionType.SWITCHED, path);
|
2022-02-07 04:35:21 +01:00
|
|
|
// TODO: record switch.
|
|
|
|
return newfd;
|
|
|
|
}
|
|
|
|
|
2022-02-07 03:24:39 +01:00
|
|
|
// Create a unix socket.
|
2022-02-07 18:30:06 +01:00
|
|
|
pub fn server_init(self: *Self, path: [] const u8) !net.StreamServer {
|
2022-02-07 03:24:39 +01:00
|
|
|
print("context server init {s}\n", .{path});
|
2022-02-07 18:30:06 +01:00
|
|
|
var server = net.StreamServer.init(.{});
|
|
|
|
var socket_addr = try net.Address.initUnix(path);
|
|
|
|
try server.listen(socket_addr);
|
|
|
|
|
|
|
|
const newfd = server.sockfd orelse return error.SocketLOL;
|
2022-02-07 03:24:39 +01:00
|
|
|
var newcon = ConnectionInfos.init(ConnectionType.SERVER, path);
|
2022-02-08 05:59:18 +01:00
|
|
|
newcon.server = server;
|
2022-02-07 03:24:39 +01:00
|
|
|
try self.connections.append(newcon);
|
|
|
|
try self.pollfd.append(newfd);
|
2022-02-07 18:30:06 +01:00
|
|
|
return server;
|
2022-02-07 03:24:39 +01:00
|
|
|
}
|
|
|
|
|
2022-02-07 04:35:21 +01:00
|
|
|
/// ipc_write (ctx *, const struct ipc_message *m);
|
|
|
|
pub fn write (self: *Self, m: Message) !void {
|
|
|
|
print("write fd {}\n", .{m.fd});
|
|
|
|
self.tx.append(m);
|
|
|
|
}
|
|
|
|
|
|
|
|
pub fn read (self: *Self, index: u32) !Message {
|
|
|
|
// TODO: read the actual content.
|
|
|
|
if (index >= self.pollfd.items.len) {
|
|
|
|
return error.IndexOutOfBounds;
|
|
|
|
}
|
|
|
|
var fd = self.pollfd[index];
|
|
|
|
print("read fd {} index {}\n", .{fd, index});
|
|
|
|
var payload = "hello!!";
|
|
|
|
// fd type usertype payload
|
|
|
|
var m = Message.init(0, MessageType.DATA, 1, payload);
|
|
|
|
return m;
|
|
|
|
}
|
|
|
|
|
2022-02-08 05:59:18 +01:00
|
|
|
// TODO: this shouldn't be available in the API.
|
|
|
|
pub fn read_ (_: *Self, client: net.StreamServer.Connection, buf: [] u8) !usize {
|
|
|
|
return try client.stream.reader().read(buf);
|
|
|
|
}
|
|
|
|
|
2022-02-07 18:30:06 +01:00
|
|
|
pub fn read_fd (_: *Self, fd: i32) !Message {
|
2022-02-07 04:35:21 +01:00
|
|
|
// TODO: read the actual content.
|
|
|
|
print("read fd {}\n", .{fd});
|
|
|
|
var payload = "hello!!";
|
|
|
|
// fd type usertype payload
|
|
|
|
var m = Message.init(0, MessageType.DATA, 1, payload);
|
|
|
|
return m;
|
|
|
|
}
|
|
|
|
|
2022-02-07 03:24:39 +01:00
|
|
|
// Wait an event.
|
2022-02-07 04:35:21 +01:00
|
|
|
pub fn wait_event(self: *Self, timer: *i32) !Event {
|
2022-02-07 03:24:39 +01:00
|
|
|
for (self.pollfd.items) |fd| {
|
|
|
|
print("listening to fd {}\n", .{fd});
|
|
|
|
}
|
2022-02-07 04:35:21 +01:00
|
|
|
print("listening for MAXIMUM {} us\n", .{timer});
|
|
|
|
// TODO: listening to these file descriptors.
|
2022-02-07 03:24:39 +01:00
|
|
|
var event = Event.init(EventType.CONNECTION, 5, 8, null);
|
|
|
|
return event;
|
2022-02-06 18:11:01 +01:00
|
|
|
}
|
|
|
|
|
2022-02-07 04:35:21 +01:00
|
|
|
pub fn close(self: *Self, index: usize) !void {
|
|
|
|
if (index >= self.pollfd.items.len) {
|
|
|
|
return error.IndexOutOfBounds;
|
|
|
|
}
|
|
|
|
// close the connection and remove it from the two structures
|
|
|
|
if (self.connections.items.len > 0) {
|
|
|
|
// TODO: actually close the file descriptor.
|
|
|
|
_ = self.connections.swapRemove(index);
|
|
|
|
_ = self.pollfd.swapRemove(index);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
pub fn close_all(self: *Self) !void {
|
|
|
|
while(self.connections.items.len > 0) { try self.close(0); }
|
2022-02-07 01:21:46 +01:00
|
|
|
}
|
|
|
|
|
2022-02-06 18:11:01 +01:00
|
|
|
pub fn format(
|
|
|
|
self: Self,
|
|
|
|
comptime fmt: []const u8,
|
|
|
|
options: std.fmt.FormatOptions,
|
|
|
|
out_stream: anytype,
|
|
|
|
) !void {
|
|
|
|
try std.fmt.format(out_stream
|
|
|
|
, "context ({} connections and {} messages):"
|
|
|
|
, .{self.connections.items.len, self.tx.items.len});
|
2022-02-05 13:16:44 +01:00
|
|
|
|
2022-02-06 18:11:01 +01:00
|
|
|
for (self.connections.items) |con| {
|
2022-02-07 01:21:46 +01:00
|
|
|
try std.fmt.format(out_stream, "\n- ", .{});
|
2022-02-06 18:11:01 +01:00
|
|
|
try con.format(fmt, options, out_stream);
|
|
|
|
}
|
2022-02-05 13:16:44 +01:00
|
|
|
|
2022-02-06 18:11:01 +01:00
|
|
|
for (self.tx.items) |tx| {
|
2022-02-07 01:21:46 +01:00
|
|
|
try std.fmt.format(out_stream, "\n- ", .{});
|
2022-02-06 18:11:01 +01:00
|
|
|
try tx.format(fmt, options, out_stream);
|
|
|
|
}
|
|
|
|
}
|
2022-02-05 13:16:44 +01:00
|
|
|
|
|
|
|
};
|
|
|
|
|
2022-02-06 18:11:01 +01:00
|
|
|
|
|
|
|
// TODO
|
2022-02-07 03:24:39 +01:00
|
|
|
test "Context - creation, display and memory check" {
|
|
|
|
print("\n", .{});
|
2022-02-06 18:11:01 +01:00
|
|
|
// origin destination
|
|
|
|
//var s = Switch.init(3,8);
|
|
|
|
|
|
|
|
const config = .{.safety = true};
|
|
|
|
var gpa = std.heap.GeneralPurposeAllocator(config){};
|
2022-02-07 01:21:46 +01:00
|
|
|
defer _ = gpa.deinit();
|
2022-02-06 18:11:01 +01:00
|
|
|
|
|
|
|
const allocator = gpa.allocator();
|
|
|
|
|
|
|
|
// var payload = "hello!!";
|
|
|
|
// // fd type usertype payload
|
|
|
|
// var m = Message.init(0, MessageType.DATA, 1, payload);
|
|
|
|
//
|
|
|
|
// // type index origin message
|
|
|
|
// var e = Event.init(EventType.CONNECTION, 5, 8, &m);
|
|
|
|
|
|
|
|
var c = Context.init(allocator);
|
2022-02-07 01:21:46 +01:00
|
|
|
defer c.deinit(); // There. Can't leak. Isn't Zig wonderful?
|
2022-02-06 18:11:01 +01:00
|
|
|
|
2022-02-07 18:30:06 +01:00
|
|
|
const path = "/tmp/.TEST_USOCK";
|
2022-02-07 03:24:39 +01:00
|
|
|
|
2022-02-07 18:30:06 +01:00
|
|
|
// SERVER SIDE: creating a service.
|
|
|
|
var server = try c.server_init(path);
|
|
|
|
defer server.deinit();
|
|
|
|
defer std.fs.cwd().deleteFile(path) catch {}; // Once done, remove file.
|
2022-02-06 18:11:01 +01:00
|
|
|
|
2022-02-07 18:30:06 +01:00
|
|
|
|
|
|
|
// CLIENT SIDE: connection to a service.
|
|
|
|
//_ = try c.connect(path);
|
|
|
|
|
|
|
|
// TODO: connection to a server, but switched with clientfd "3".
|
|
|
|
// _ = try c.connection_switched(path, 3);
|
|
|
|
|
|
|
|
// print ("Context: {}\n", .{c});
|
|
|
|
// print("\n", .{});
|
|
|
|
|
|
|
|
const S = struct {
|
|
|
|
fn clientFn() !void {
|
|
|
|
const socket = try net.connectUnixSocket(path);
|
|
|
|
defer socket.close();
|
|
|
|
print("So we're a client now... path: {s}\n", .{path});
|
|
|
|
|
|
|
|
_ = try socket.writer().writeAll("Hello world!");
|
|
|
|
}
|
|
|
|
};
|
|
|
|
|
|
|
|
const t = try std.Thread.spawn(.{}, S.clientFn, .{});
|
|
|
|
defer t.join();
|
|
|
|
|
2022-02-08 05:59:18 +01:00
|
|
|
// Server.accept returns a net.StreamServer.Connection.
|
2022-02-07 18:30:06 +01:00
|
|
|
var client = try server.accept();
|
|
|
|
defer client.stream.close();
|
|
|
|
var buf: [16]u8 = undefined;
|
|
|
|
const n = try client.stream.reader().read(&buf);
|
|
|
|
|
|
|
|
try testing.expectEqual(@as(usize, 12), n);
|
|
|
|
try testing.expectEqualSlices(u8, "Hello world!", buf[0..n]);
|
2022-02-06 18:11:01 +01:00
|
|
|
}
|
|
|
|
|
2022-02-08 05:59:18 +01:00
|
|
|
|
|
|
|
// FIRST
|
|
|
|
fn create_service() !void {
|
|
|
|
const config = .{.safety = true};
|
|
|
|
var gpa = std.heap.GeneralPurposeAllocator(config){};
|
|
|
|
defer _ = gpa.deinit();
|
|
|
|
|
|
|
|
const allocator = gpa.allocator();
|
|
|
|
var ctx = Context.init(allocator);
|
|
|
|
defer ctx.deinit(); // There. Can't leak. Isn't Zig wonderful?
|
|
|
|
|
|
|
|
const path = "/tmp/.TEST_USOCK";
|
|
|
|
|
|
|
|
// SERVER SIDE: creating a service.
|
|
|
|
var server = try ctx.server_init(path);
|
|
|
|
defer server.deinit();
|
|
|
|
defer std.fs.cwd().deleteFile(path) catch {}; // Once done, remove file.
|
|
|
|
|
|
|
|
// Server.accept returns a net.Connection (handle = fd, addr = net.Address).
|
|
|
|
var client = try server.accept();
|
|
|
|
defer client.stream.close();
|
|
|
|
var buf: [4096]u8 = undefined;
|
|
|
|
const n = try ctx.read_ (client, &buf);
|
|
|
|
|
|
|
|
print("new client: {}\n", .{client});
|
|
|
|
print("{} bytes: {s}\n", .{n, buf});
|
|
|
|
}
|
|
|
|
|
|
|
|
pub fn main() !u8 {
|
|
|
|
try create_service();
|
2022-02-05 13:16:44 +01:00
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
// export fn add(a: i32, b: i32) i32 {
|
|
|
|
// return a + b;
|
|
|
|
// }
|
|
|
|
|
|
|
|
// test "basic add functionality" {
|
|
|
|
// try testing.expect(add(3, 7) == 10);
|
|
|
|
// }
|