@hprose/rpc-wx
Version:
185 lines • 9.63 kB
JavaScript
;
/*--------------------------------------------------------*\
| |
| hprose |
| |
| Official WebSite: https://hprose.com |
| |
| WebSocketTransport.ts |
| |
| WebSocketTransport for TypeScript. |
| |
| LastModified: Dec 17, 2019 |
| Author: Ma Bingyao <andot@hprose.com> |
| |
\*________________________________________________________*/
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
return new (P || (P = Promise))(function (resolve, reject) {
function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
};
var __generator = (this && this.__generator) || function (thisArg, body) {
var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;
return g = { next: verb(0), "throw": verb(1), "return": verb(2) }, typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g;
function verb(n) { return function (v) { return step([n, v]); }; }
function step(op) {
if (f) throw new TypeError("Generator is already executing.");
while (_) try {
if (f = 1, y && (t = op[0] & 2 ? y["return"] : op[0] ? y["throw"] || ((t = y["return"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t;
if (y = 0, t) op = [op[0] & 2, t.value];
switch (op[0]) {
case 0: case 1: t = op; break;
case 4: _.label++; return { value: op[1], done: false };
case 5: _.label++; y = op[1]; op = [0]; continue;
case 7: op = _.ops.pop(); _.trys.pop(); continue;
default:
if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }
if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }
if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }
if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }
if (t[2]) _.ops.pop();
_.trys.pop(); continue;
}
op = body.call(thisArg, _);
} catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }
if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };
}
};
Object.defineProperty(exports, "__esModule", { value: true });
var rpc_core_1 = require("@hprose/rpc-core");
var io_1 = require("@hprose/io");
var WebSocketTransport = /** @class */ (function () {
function WebSocketTransport() {
this.counter = 0;
this.results = Object.create(null);
this.websockets = Object.create(null);
}
WebSocketTransport.prototype.connect = function (uri) {
return __awaiter(this, void 0, void 0, function () {
var websocket, ws, onerror;
var _this = this;
return __generator(this, function (_a) {
switch (_a.label) {
case 0: return [4 /*yield*/, this.websockets[uri]];
case 1:
websocket = _a.sent();
if (websocket !== undefined) {
return [2 /*return*/, websocket];
}
ws = rpc_core_1.defer();
websocket = wx.connectSocket({
url: uri,
protocols: ['hprose']
});
websocket.onOpen(function () { return ws.resolve(websocket); });
websocket.onMessage(function (res) {
var instream = new io_1.ByteStream(res.data);
var index = instream.readInt32BE();
var result = _this.results[uri][index];
delete _this.results[uri][index];
if (result) {
result.resolve(instream.remains);
}
});
onerror = function (error) {
var results = _this.results[uri];
if (results) {
for (var index in results) {
var result = results[index];
delete results[index];
result.reject(error);
}
}
delete _this.websockets[uri];
};
websocket.onError(function (res) { return onerror(new Error(res.errMsg)); });
websocket.onClose(function () { return onerror(new Error('websocket closed')); });
this.websockets[uri] = ws.promise;
return [2 /*return*/, ws.promise];
}
});
});
};
WebSocketTransport.prototype.transport = function (request, context) {
return __awaiter(this, void 0, void 0, function () {
var uri, index, result, websocket, timeoutId_1, outstream, message;
var _this = this;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
uri = context.uri;
index = (this.counter < 0x7FFFFFFF) ? ++this.counter : this.counter = 0;
result = rpc_core_1.defer();
return [4 /*yield*/, this.connect(uri)];
case 1:
websocket = _a.sent();
if (this.results[uri] === undefined) {
this.results[uri] = Object.create(null);
}
this.results[uri][index] = result;
if (context.timeout > 0) {
timeoutId_1 = setTimeout(function () {
delete _this.results[uri][index];
result.reject(new rpc_core_1.TimeoutError());
}, context.timeout);
result.promise.then(function () {
clearTimeout(timeoutId_1);
}, function () {
clearTimeout(timeoutId_1);
});
}
outstream = new io_1.ByteStream(4 + request.length);
outstream.writeInt32BE(index);
outstream.write(request);
message = outstream.takeBytes();
websocket.send({
data: message.buffer,
fail: function (res) {
delete _this.results[uri][index];
result.reject(new Error(res.errMsg));
}
});
return [2 /*return*/, result.promise];
}
});
});
};
WebSocketTransport.prototype.abort = function () {
return __awaiter(this, void 0, void 0, function () {
var _a, _b, _i, uri, websocket;
return __generator(this, function (_c) {
switch (_c.label) {
case 0:
_a = [];
for (_b in this.websockets)
_a.push(_b);
_i = 0;
_c.label = 1;
case 1:
if (!(_i < _a.length)) return [3 /*break*/, 4];
uri = _a[_i];
websocket = this.websockets[uri];
delete this.websockets[uri];
if (!websocket) return [3 /*break*/, 3];
return [4 /*yield*/, websocket];
case 2:
(_c.sent()).close({ code: 1000, reason: 'abort' });
_c.label = 3;
case 3:
_i++;
return [3 /*break*/, 1];
case 4: return [2 /*return*/];
}
});
});
};
WebSocketTransport.schemes = ['wss'];
return WebSocketTransport;
}());
exports.WebSocketTransport = WebSocketTransport;
rpc_core_1.Client.register('websocket', WebSocketTransport);
//# sourceMappingURL=WebSocketTransport.js.map