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- "use strict";
- var __importDefault = (this && this.__importDefault) || function (mod) {
- return (mod && mod.__esModule) ? mod : { "default": mod };
- };
- Object.defineProperty(exports, "__esModule", { value: true });
- exports.unixWrite = void 0;
- const fs_1 = require("fs");
- const debug_1 = __importDefault(require("debug"));
- const util_1 = require("util");
- const logger = (0, debug_1.default)('serialport/bindings-cpp/unixWrite');
- const writeAsync = (0, util_1.promisify)(fs_1.write);
- const writable = (binding) => {
- return new Promise((resolve, reject) => {
- binding.poller.once('writable', err => (err ? reject(err) : resolve()));
- });
- };
- const unixWrite = async ({ binding, buffer, offset = 0, fsWriteAsync = writeAsync }) => {
- const bytesToWrite = buffer.length - offset;
- logger('Starting write', buffer.length, 'bytes offset', offset, 'bytesToWrite', bytesToWrite);
- if (!binding.isOpen || !binding.fd) {
- throw new Error('Port is not open');
- }
- try {
- const { bytesWritten } = await fsWriteAsync(binding.fd, buffer, offset, bytesToWrite);
- logger('write returned: wrote', bytesWritten, 'bytes');
- if (bytesWritten + offset < buffer.length) {
- if (!binding.isOpen) {
- throw new Error('Port is not open');
- }
- return (0, exports.unixWrite)({ binding, buffer, offset: bytesWritten + offset, fsWriteAsync });
- }
- logger('Finished writing', bytesWritten + offset, 'bytes');
- }
- catch (err) {
- logger('write errored', err);
- if (err.code === 'EAGAIN' || err.code === 'EWOULDBLOCK' || err.code === 'EINTR') {
- if (!binding.isOpen) {
- throw new Error('Port is not open');
- }
- logger('waiting for writable because of code:', err.code);
- await writable(binding);
- return (0, exports.unixWrite)({ binding, buffer, offset, fsWriteAsync });
- }
- const disconnectError = err.code === 'EBADF' || // Bad file number means we got closed
- err.code === 'ENXIO' || // No such device or address probably usb disconnect
- err.code === 'UNKNOWN' ||
- err.errno === -1; // generic error
- if (disconnectError) {
- err.disconnect = true;
- logger('disconnecting', err);
- }
- logger('error', err);
- throw err;
- }
- };
- exports.unixWrite = unixWrite;
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