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.. embed/ event/ test/ ui/ command.zig diff3.zig event.zig find.zig fork.zig lib.zig main.zig main_wasm.zig markdown.zig notify.zig patch.zig progress.zig push.zig search.zig search_commit.zig search_thread.zig ╭─────────────────────────────────╮ │serve.zig │ ╰─────────────────────────────────╯ serve_common.zig serve_http.zig serve_ssh.zig serve_ssh_protocol.zig test.zig testnet.zig try.zig ui.zig web.zig
232 fn listen(io: std.Io, listen_address: ListenAddress, policy: PortPolicy) !std.Io.net.Server { 233 const address = try std.Io.net.IpAddress.parseIp4(listen_address.host, listen_address.port); 234 return switch (policy) { 235 .exact => try address.listen(io, .{}), 236 .fallback => address.listen(io, .{}) catch |listen_err| switch (listen_err) { 237 error.AddressInUse => blk: { 238 const any_port = try std.Io.net.IpAddress.parseIp4(listen_address.host, 0); 239 break :blk try any_port.listen(io, .{}); 240 }, 241 else => |e| return e, 242 }, 243 }; 244 } 245 246 fn parseListenAddress(value: []const u8) !ListenAddress { 247 const colon = std.mem.lastIndexOfScalar(u8, value, ':') orelse return error.InvalidListenAddress; 248 if (colon == 0 or colon + 1 >= value.len) return error.InvalidListenAddress; 249 const port = try std.fmt.parseInt(u16, value[colon + 1 ..], 10); 250 return .{ .host = value[0..colon], .port = port }; 251 } 252