-missing files
This commit is contained in:
parent
6c4bf359c1
commit
d26db0230f
17
packages/taler-util/src/twrpc-impl.missing.ts
Normal file
17
packages/taler-util/src/twrpc-impl.missing.ts
Normal file
@ -0,0 +1,17 @@
|
|||||||
|
/*
|
||||||
|
This file is part of GNU Taler
|
||||||
|
(C) 2023 Taler Systems S.A.
|
||||||
|
|
||||||
|
GNU Taler is free software; you can redistribute it and/or modify it under the
|
||||||
|
terms of the GNU General Public License as published by the Free Software
|
||||||
|
Foundation; either version 3, or (at your option) any later version.
|
||||||
|
|
||||||
|
GNU Taler is distributed in the hope that it will be useful, but WITHOUT ANY
|
||||||
|
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
|
||||||
|
A PARTICULAR PURPOSE. See the GNU General Public License for more details.
|
||||||
|
|
||||||
|
You should have received a copy of the GNU General Public License along with
|
||||||
|
GNU Taler; see the file COPYING. If not, see <http://www.gnu.org/licenses/>
|
||||||
|
*/
|
||||||
|
|
||||||
|
// Not implemented.
|
||||||
222
packages/taler-util/src/twrpc-impl.node.ts
Normal file
222
packages/taler-util/src/twrpc-impl.node.ts
Normal file
@ -0,0 +1,222 @@
|
|||||||
|
/*
|
||||||
|
This file is part of GNU Taler
|
||||||
|
(C) 2023 Taler Systems S.A.
|
||||||
|
|
||||||
|
GNU Taler is free software; you can redistribute it and/or modify it under the
|
||||||
|
terms of the GNU General Public License as published by the Free Software
|
||||||
|
Foundation; either version 3, or (at your option) any later version.
|
||||||
|
|
||||||
|
GNU Taler is distributed in the hope that it will be useful, but WITHOUT ANY
|
||||||
|
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
|
||||||
|
A PARTICULAR PURPOSE. See the GNU General Public License for more details.
|
||||||
|
|
||||||
|
You should have received a copy of the GNU General Public License along with
|
||||||
|
GNU Taler; see the file COPYING. If not, see <http://www.gnu.org/licenses/>
|
||||||
|
*/
|
||||||
|
|
||||||
|
import * as net from "node:net";
|
||||||
|
import * as fs from "node:fs";
|
||||||
|
import { Logger } from "./logging.js";
|
||||||
|
import { bytesToString, typedArrayConcat } from "./taler-crypto.js";
|
||||||
|
import type { RpcConnectArgs, RpcServerArgs } from "./twrpc.js";
|
||||||
|
|
||||||
|
interface ReadLinewiseArgs {
|
||||||
|
onLine(lineData: Uint8Array): void;
|
||||||
|
sock: net.Socket;
|
||||||
|
}
|
||||||
|
|
||||||
|
const logger = new Logger("twrpc-impl.node.ts");
|
||||||
|
|
||||||
|
function readStreamLinewise(args: ReadLinewiseArgs): void {
|
||||||
|
let chunks: Uint8Array[] = [];
|
||||||
|
args.sock.on("data", (buf: Uint8Array) => {
|
||||||
|
logger.info(`received ${buf.length} bytes`);
|
||||||
|
// Process all newlines in the newly received buffer
|
||||||
|
while (1) {
|
||||||
|
const newlineIdx = buf.indexOf("\n".charCodeAt(0));
|
||||||
|
if (newlineIdx >= 0) {
|
||||||
|
let left = buf.subarray(0, newlineIdx + 1);
|
||||||
|
let right = buf.subarray(newlineIdx + 1);
|
||||||
|
chunks.push(left);
|
||||||
|
const line = typedArrayConcat(chunks);
|
||||||
|
args.onLine(line);
|
||||||
|
chunks = [];
|
||||||
|
buf = right;
|
||||||
|
} else {
|
||||||
|
chunks.push(buf);
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
});
|
||||||
|
}
|
||||||
|
|
||||||
|
export async function connectRpc<T>(args: RpcConnectArgs<T>): Promise<T> {
|
||||||
|
let sockFilename = args.socketFilename;
|
||||||
|
return new Promise((resolve, reject) => {
|
||||||
|
const client = net.createConnection(sockFilename);
|
||||||
|
client.on("connect", () => {
|
||||||
|
let parsingBody: string | undefined = undefined;
|
||||||
|
let bodyChunks: string[] = [];
|
||||||
|
|
||||||
|
logger.info("connected!");
|
||||||
|
client.write("%hello-from-client\n");
|
||||||
|
const res = args.onEstablished({
|
||||||
|
sendMessage(m) {
|
||||||
|
client.write("%request\n");
|
||||||
|
client.write(JSON.stringify(m));
|
||||||
|
client.write("\n");
|
||||||
|
client.write("%end\n");
|
||||||
|
},
|
||||||
|
close() {
|
||||||
|
client.destroy();
|
||||||
|
},
|
||||||
|
});
|
||||||
|
readStreamLinewise({
|
||||||
|
sock: client,
|
||||||
|
onLine(line) {
|
||||||
|
const lineStr = bytesToString(line);
|
||||||
|
logger.info(`got line from server: ${lineStr}`);
|
||||||
|
// Are we currently parsing the body of a request?
|
||||||
|
if (!parsingBody) {
|
||||||
|
const strippedLine = lineStr.trim();
|
||||||
|
if (strippedLine == "%message") {
|
||||||
|
logger.info("got message start");
|
||||||
|
parsingBody = "message";
|
||||||
|
} else if (strippedLine == "%hello-from-server") {
|
||||||
|
logger.info("got hello from server");
|
||||||
|
} else if (strippedLine.startsWith("%error:")) {
|
||||||
|
logger.info("got error from server, disconnecting");
|
||||||
|
client.end();
|
||||||
|
res.onDisconnect();
|
||||||
|
} else {
|
||||||
|
logger.info("got unknown request");
|
||||||
|
client.write("%error: invalid message\n");
|
||||||
|
client.end();
|
||||||
|
}
|
||||||
|
} else if (parsingBody == "message") {
|
||||||
|
const strippedLine = lineStr.trim();
|
||||||
|
if (strippedLine == "%end") {
|
||||||
|
logger.info("finished request");
|
||||||
|
let req = bodyChunks.join("");
|
||||||
|
let reqJson: any = undefined;
|
||||||
|
try {
|
||||||
|
reqJson = JSON.parse(req);
|
||||||
|
} catch (e) {
|
||||||
|
logger.warn("JSON request was invalid");
|
||||||
|
}
|
||||||
|
if (reqJson !== undefined) {
|
||||||
|
logger.info(`request: ${req}`);
|
||||||
|
res.onMessage(reqJson);
|
||||||
|
} else {
|
||||||
|
client.write("%error: invalid JSON");
|
||||||
|
client.end();
|
||||||
|
}
|
||||||
|
bodyChunks = [];
|
||||||
|
} else {
|
||||||
|
bodyChunks.push(lineStr);
|
||||||
|
}
|
||||||
|
} else {
|
||||||
|
logger.info("invalid parser state");
|
||||||
|
client.write("%error: internal error\n");
|
||||||
|
client.end();
|
||||||
|
}
|
||||||
|
},
|
||||||
|
});
|
||||||
|
client.on("close", () => {
|
||||||
|
res.onDisconnect();
|
||||||
|
});
|
||||||
|
client.on("data", () => {});
|
||||||
|
resolve(res.result);
|
||||||
|
});
|
||||||
|
});
|
||||||
|
}
|
||||||
|
|
||||||
|
export async function runRpcServer(args: RpcServerArgs): Promise<void> {
|
||||||
|
let sockFilename = args.socketFilename;
|
||||||
|
try {
|
||||||
|
fs.unlinkSync(sockFilename);
|
||||||
|
} catch (e) {
|
||||||
|
// Do nothing!
|
||||||
|
}
|
||||||
|
return new Promise((resolve, reject) => {
|
||||||
|
const server = net.createServer((sock) => {
|
||||||
|
// Are we currently parsing the body of a request?
|
||||||
|
let parsingBody: string | undefined = undefined;
|
||||||
|
let bodyChunks: string[] = [];
|
||||||
|
|
||||||
|
logger.info("got new connection");
|
||||||
|
sock.write("%hello-from-server\n");
|
||||||
|
const handlers = args.onConnect({
|
||||||
|
sendResponse(message) {
|
||||||
|
sock.write("%message\n");
|
||||||
|
sock.write(JSON.stringify(message));
|
||||||
|
sock.write("\n");
|
||||||
|
sock.write("%end\n");
|
||||||
|
},
|
||||||
|
});
|
||||||
|
|
||||||
|
sock.on("error", (err) => {
|
||||||
|
logger.info(`connection error: ${err}`);
|
||||||
|
});
|
||||||
|
|
||||||
|
function processLine(line: Uint8Array) {
|
||||||
|
const lineStr = bytesToString(line);
|
||||||
|
logger.info(`got line: ${lineStr}`);
|
||||||
|
if (!parsingBody) {
|
||||||
|
const strippedLine = lineStr.trim();
|
||||||
|
if (strippedLine == "%request") {
|
||||||
|
logger.info("got request start");
|
||||||
|
parsingBody = "request";
|
||||||
|
} else if (strippedLine === "%hello-from-client") {
|
||||||
|
console.log("got hello from client");
|
||||||
|
} else if (strippedLine.startsWith("%error:")) {
|
||||||
|
console.log("got error from client");
|
||||||
|
sock.end();
|
||||||
|
handlers.onDisconnect();
|
||||||
|
} else {
|
||||||
|
logger.info("got unknown request");
|
||||||
|
sock.write("%error: invalid request\n");
|
||||||
|
sock.end();
|
||||||
|
}
|
||||||
|
} else if (parsingBody == "request") {
|
||||||
|
const strippedLine = lineStr.trim();
|
||||||
|
if (strippedLine == "%end") {
|
||||||
|
logger.info("finished request");
|
||||||
|
let req = bodyChunks.join("");
|
||||||
|
let reqJson: any = undefined;
|
||||||
|
try {
|
||||||
|
reqJson = JSON.parse(req);
|
||||||
|
} catch (e) {
|
||||||
|
logger.warn("JSON request was invalid");
|
||||||
|
}
|
||||||
|
if (reqJson !== undefined) {
|
||||||
|
logger.info(`request: ${req}`);
|
||||||
|
handlers.onMessage(reqJson);
|
||||||
|
} else {
|
||||||
|
sock.write("%error: invalid JSON");
|
||||||
|
sock.end();
|
||||||
|
}
|
||||||
|
bodyChunks = [];
|
||||||
|
} else {
|
||||||
|
bodyChunks.push(lineStr);
|
||||||
|
}
|
||||||
|
} else {
|
||||||
|
logger.info("invalid parser state");
|
||||||
|
sock.write("%error: internal error\n");
|
||||||
|
sock.end();
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
readStreamLinewise({
|
||||||
|
sock,
|
||||||
|
onLine: processLine,
|
||||||
|
});
|
||||||
|
|
||||||
|
sock.on("close", (hadError: boolean) => {
|
||||||
|
logger.info(`connection closed, hadError=${hadError}`);
|
||||||
|
handlers.onDisconnect();
|
||||||
|
});
|
||||||
|
});
|
||||||
|
server.listen("wallet-core.sock");
|
||||||
|
});
|
||||||
|
}
|
||||||
64
packages/taler-util/src/twrpc.ts
Normal file
64
packages/taler-util/src/twrpc.ts
Normal file
@ -0,0 +1,64 @@
|
|||||||
|
/*
|
||||||
|
This file is part of GNU Taler
|
||||||
|
(C) 2023 Taler Systems S.A.
|
||||||
|
|
||||||
|
GNU Taler is free software; you can redistribute it and/or modify it under the
|
||||||
|
terms of the GNU General Public License as published by the Free Software
|
||||||
|
Foundation; either version 3, or (at your option) any later version.
|
||||||
|
|
||||||
|
GNU Taler is distributed in the hope that it will be useful, but WITHOUT ANY
|
||||||
|
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
|
||||||
|
A PARTICULAR PURPOSE. See the GNU General Public License for more details.
|
||||||
|
|
||||||
|
You should have received a copy of the GNU General Public License along with
|
||||||
|
GNU Taler; see the file COPYING. If not, see <http://www.gnu.org/licenses/>
|
||||||
|
*/
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Implementation for the wallet-core IPC protocol.
|
||||||
|
*
|
||||||
|
* Currently the protcol is completely unstable and only used internally
|
||||||
|
* by the wallet for testing purposes.
|
||||||
|
*/
|
||||||
|
|
||||||
|
|
||||||
|
// Platform-specific implementation
|
||||||
|
export { connectRpc, runRpcServer } from "#twrpc-impl";
|
||||||
|
|
||||||
|
export type JsonMessage =
|
||||||
|
| string
|
||||||
|
| number
|
||||||
|
| boolean
|
||||||
|
| null
|
||||||
|
| JsonMessage[]
|
||||||
|
| { [key: string]: JsonMessage };
|
||||||
|
|
||||||
|
export interface RpcServerClientHandlers {
|
||||||
|
onMessage(msg: JsonMessage): void;
|
||||||
|
onDisconnect(): void;
|
||||||
|
}
|
||||||
|
|
||||||
|
export interface RpcServerClient {
|
||||||
|
sendResponse(message: JsonMessage): void;
|
||||||
|
}
|
||||||
|
|
||||||
|
export interface RpcServerArgs {
|
||||||
|
socketFilename: string;
|
||||||
|
onConnect(client: RpcServerClient): RpcServerClientHandlers;
|
||||||
|
}
|
||||||
|
|
||||||
|
export interface RpcClientServerConnection {
|
||||||
|
sendMessage(m: JsonMessage): void;
|
||||||
|
close(): void;
|
||||||
|
}
|
||||||
|
|
||||||
|
export interface RpcConnectArgs<T> {
|
||||||
|
socketFilename: string;
|
||||||
|
onEstablished(connection: RpcClientServerConnection): {
|
||||||
|
result: T;
|
||||||
|
onDisconnect(): void;
|
||||||
|
onMessage(m: JsonMessage): void;
|
||||||
|
};
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
Loading…
Reference in New Issue
Block a user