Press n or j to go to the next uncovered block, b, p or k for the previous block.
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 | 110x 110x 110x 110x 110x 110x 110x 110x 110x 110x 110x 110x 110x 110x 110x 110x 110x 110x 110x 110x 110x 110x 641x 641x 641x 110x 110x 55x 55x 55x 110x 253x 253x 242x 137x 137x 242x 242x 253x 11x 11x 243x 243x 215x 215x 215x 215x 215x 28x 31x 19x 19x 19x 19x 19x 19x 19x 19x 9x 9x 253x 110x 110x 26x 26x 26x 26x 26x 4x 4x 2x 2x 2x 2x 26x 21x 21x 26x 26x 4x 4x 4x 22x 22x 26x 110x 110x 110x 110x 110x 110x 110x | 'use strict';
const {
FunctionPrototypeBind,
Symbol,
} = primordials;
const { codes } = require('internal/errors');
const { UDP } = internalBinding('udp_wrap');
const { guessHandleType } = internalBinding('util');
const {
isInt32,
validateFunction,
} = require('internal/validators');
const { UV_EINVAL } = internalBinding('uv');
const {
ERR_SOCKET_BAD_TYPE,
} = codes;
const kStateSymbol = Symbol('state symbol');
let dns; // Lazy load for startup performance.
function lookup4(lookup, address, callback) {
return lookup(address || '127.0.0.1', 4, callback);
}
function lookup6(lookup, address, callback) {
return lookup(address || '::1', 6, callback);
}
function newHandle(type, lookup) {
if (lookup === undefined) {
if (dns === undefined) {
dns = require('dns');
}
lookup = dns.lookup;
} else {
validateFunction(lookup, 'lookup');
}
if (type === 'udp4') {
const handle = new UDP();
handle.lookup = FunctionPrototypeBind(lookup4, handle, lookup);
return handle;
}
if (type === 'udp6') {
const handle = new UDP();
handle.lookup = FunctionPrototypeBind(lookup6, handle, lookup);
handle.bind = handle.bind6;
handle.connect = handle.connect6;
handle.send = handle.send6;
return handle;
}
throw new ERR_SOCKET_BAD_TYPE();
}
function _createSocketHandle(address, port, addressType, fd, flags) {
const handle = newHandle(addressType);
let err;
if (isInt32(fd) && fd > 0) {
const type = guessHandleType(fd);
if (type !== 'UDP') {
err = UV_EINVAL;
} else {
err = handle.open(fd);
}
} else if (port || address) {
err = handle.bind(address, port || 0, flags);
}
if (err) {
handle.close();
return err;
}
return handle;
}
module.exports = {
kStateSymbol,
_createSocketHandle,
newHandle
};
|