tiny.peer.Address

1pub const Address = union(enum) {2    ip4: Ip4,3    ip6: Ip6,4    relay: Relay,56    pub const FormatError: type = error{OutputTooSmall};7    pub const ParseError: type = AddressParseError;89    pub fn fromRelay(host_name: []const u8, port: u16) Relay.InitError!Address {10        return .{ .relay = try Relay.init(host_name, port) };11    }1213    pub fn format(self: Address, output: []u8) FormatError![]const u8 {14        var writer = std.Io.Writer.fixed(output);15        switch (self) {16            .ip4 => |value| writer.print(17                "{d}.{d}.{d}.{d}:{d}",18                .{ value.addr[0], value.addr[1], value.addr[2], value.addr[3], value.port },19            ) catch return error.OutputTooSmall,20            .ip6 => |value| {21                const address = std.Io.net.Ip6Address{22                    .bytes = value.addr,23                    .port = value.port,24                };25                address.format(&writer) catch return error.OutputTooSmall;26            },27            .relay => |value| writer.print(28                "relay:{s}:{d}",29                .{ value.host(), value.port },30            ) catch return error.OutputTooSmall,31        }32        return writer.buffered();33    }3435    pub fn parse(source: []const u8) ParseError!Address {36        if (std.mem.startsWith(u8, source, "relay:")) return parseRelay(source);37        if (source.len != 0 and source[0] == '[') return parseIp6(source);38        return parseIp4(source);39    }4041    pub fn eql(self: Address, other: Address) bool {42        if (std.meta.activeTag(self) != std.meta.activeTag(other)) return false;43        return switch (self) {44            .ip4 => |left| switch (other) {45                .ip4 => |right| left.port == right.port and46                    std.mem.eql(u8, &left.addr, &right.addr),47                else => unreachable,48            },49            .ip6 => |left| switch (other) {50                .ip6 => |right| left.port == right.port and51                    std.mem.eql(u8, &left.addr, &right.addr),52                else => unreachable,53            },54            .relay => |left| switch (other) {55                .relay => |right| left.eql(&right),56                else => unreachable,57            },58        };59    }60};

1pub const Address = address.Address;