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pub fn init() !void {
try network.init();
}
pub fn deinit() void {
network.deinit();
}
inline fn broadcastSaprusMessage(msg: SaprusMessage, allocator: Allocator) !void {
const msg_bytes = try msg.toBytes(allocator);
defer allocator.free(msg_bytes);
var sock = try network.Socket.create(.ipv4, .udp);
defer sock.close();
try sock.setBroadcast(true);
// Bind to 0.0.0.0:0
const bind_addr = network.EndPoint{
.address = network.Address{ .ipv4 = network.Address.IPv4.any },
.port = 0,
};
const dest_addr = network.EndPoint{
.address = network.Address{ .ipv4 = network.Address.IPv4.broadcast },
.port = 8888,
};
try sock.bind(bind_addr);
_ = try sock.sendTo(dest_addr, msg_bytes);
}
pub fn sendRelay(payload: []const u8, allocator: Allocator) !void {
const msg = SaprusMessage{
.relay = .{
.header = .{ .dest = .{ 255, 255, 255, 255 } },
.payload = payload,
},
};
try broadcastSaprusMessage(msg, allocator);
}
pub fn sendInitialConnection(payload: []const u8, initial_port: u16, allocator: Allocator) !void {
const msg = SaprusMessage{
.connection = .{
.header = .{
.src_port = initial_port,
.dest_port = 6868,
.seq_num = 1,
.msg_id = 2,
.reserved = 5,
// .options = .{
// .opt2 = true,
// .opt8 = true,
// },
},
.payload = payload,
},
};
try broadcastSaprusMessage(msg, allocator);
}
const SaprusMessage = @import("./saprus_message.zig").SaprusMessage;
const std = @import("std");
const network = @import("network");
const Allocator = std.mem.Allocator;
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