58 lines
1.7 KiB
Zig
58 lines
1.7 KiB
Zig
const std = @import("std");
|
|
const testing = std.testing;
|
|
const net = std.net;
|
|
const fmt = std.fmt;
|
|
const mem = std.mem;
|
|
const print = std.debug.print;
|
|
|
|
fn disconnect(stream: *net.StreamServer) void { stream.close(); }
|
|
|
|
fn server_init() net.StreamServer {
|
|
// no reuse_address and default kernel_backlog
|
|
return net.StreamServer.init(.{});
|
|
}
|
|
|
|
fn waiting_for_connection(stream: *net.StreamServer
|
|
, path: []const u8) !net.StreamServer.Connection {
|
|
var address = try net.Address.initUnix(path);
|
|
try stream.listen(address);
|
|
return stream.accept();
|
|
}
|
|
|
|
fn remove_unix_socket(path: []const u8) void {
|
|
std.fs.deleteFileAbsolute(path) catch |err| switch(err) {
|
|
else => { print("error: {}\n", .{err}); }
|
|
};
|
|
}
|
|
|
|
fn receive_msg(stream: net.Stream) !void {
|
|
var buffer: [1000]u8 = undefined;
|
|
var fbs = std.io.fixedBufferStream(&buffer);
|
|
var reader = fbs.reader();
|
|
|
|
var size = try stream.read(buffer[0..]);
|
|
print ("Received a message! Read {} bytes\n", .{size});
|
|
|
|
const msg_type = try reader.readByte();
|
|
const msg_len = try reader.readIntBig(u32);
|
|
const msg_payload = buffer[5..5+msg_len];
|
|
print ("type: {}, len {}, content: {s}\n"
|
|
, .{msg_type, msg_len, msg_payload});
|
|
}
|
|
|
|
pub fn main() !u8 {
|
|
var path = "/tmp/.TEST_USOCK";
|
|
print("Init UNIX server to {s}...\n", .{path});
|
|
var stream = server_init();
|
|
defer stream.deinit();
|
|
print("Waiting for a connection...\n", .{});
|
|
var connection = try waiting_for_connection(&stream, path);
|
|
defer remove_unix_socket(path);
|
|
print("Someone is connected! Receiving a message...\n", .{});
|
|
try receive_msg(connection.stream);
|
|
print("Disconnection...\n", .{});
|
|
disconnect(&stream);
|
|
print("Disconnected!\n", .{});
|
|
return 0;
|
|
}
|