@neo-one/server
Version:
NEO•ONE Server that NEO•ONE CLI and other clients connect to.
160 lines (158 loc) • 26.5 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
const tslib_1 = require("tslib");
const http_1 = require("@neo-one/http");
const server_client_1 = require("@neo-one/server-client");
const server_grpc_1 = require("@neo-one/server-grpc");
const server_plugin_1 = require("@neo-one/server-plugin");
const utils_1 = require("@neo-one/utils");
const http = tslib_1.__importStar(require("http"));
const koa_1 = tslib_1.__importDefault(require("koa"));
const koa_router_1 = tslib_1.__importDefault(require("koa-router"));
const mali_1 = tslib_1.__importDefault(require("mali"));
const path = tslib_1.__importStar(require("path"));
const rxjs_1 = require("rxjs");
const operators_1 = require("rxjs/operators");
const errors_1 = require("./errors");
const middleware_1 = require("./middleware");
const PluginManager_1 = require("./PluginManager");
const PortAllocator_1 = require("./PortAllocator");
const PLUGIN_PATH = 'plugin';
class Server {
static init$({ monitor, binary, serverConfig, }) {
const dataPath$ = serverConfig.config$.pipe(operators_1.map((config) => config.paths.data), operators_1.distinctUntilChanged());
const portAllocator$ = rxjs_1.combineLatest([
dataPath$,
serverConfig.config$.pipe(operators_1.map((config) => config.ports), operators_1.distinctUntilChanged()),
]).pipe(operators_1.switchMap(([dataPath, ports]) => rxjs_1.defer(async () => PortAllocator_1.PortAllocator.create({
monitor,
dataPath,
portMin: ports.min,
portMax: ports.max,
}))));
const pluginManager$ = rxjs_1.combineLatest([
dataPath$,
portAllocator$,
serverConfig.config$.pipe(operators_1.map((config) => config.httpServer.port), operators_1.distinctUntilChanged()),
]).pipe(operators_1.switchMap(([dataPath, portAllocator, httpServerPort]) => rxjs_1.defer(async () => {
const pluginManager = new PluginManager_1.PluginManager({
monitor,
binary,
portAllocator,
dataPath: path.resolve(dataPath, PLUGIN_PATH),
httpServerPort,
});
await pluginManager.init();
return pluginManager;
})));
return rxjs_1.combineLatest([dataPath$, pluginManager$]).pipe(operators_1.switchMap(([dataPath, pluginManager]) => {
const server = new Server({
monitor,
serverConfig,
dataPath,
pluginManager,
});
return server.start$().pipe(operators_1.map(() => server), operators_1.distinctUntilChanged());
}));
}
constructor({ monitor, serverConfig, dataPath, pluginManager, }) {
this.monitor = monitor.at('server');
this.serverConfig = serverConfig;
this.dataPath = dataPath;
this.pluginManager = pluginManager;
this.mutableServerDebug = {};
}
start$() {
const grpc$ = this.serverConfig.config$.pipe(operators_1.map((config) => config.server), operators_1.distinctUntilChanged(), operators_1.mergeScan((prevApp, serverConfig) => rxjs_1.defer(async () => {
if (prevApp === undefined) {
const manager = new server_client_1.ServerManager({
dataPath: this.dataPath,
serverVersion: server_plugin_1.VERSION,
});
this.mutableServerDebug.pidPath = manager.pidPath;
const pid = await manager.checkAlive(serverConfig.port);
if (pid === undefined) {
this.mutableServerDebug.pid = process.pid;
await manager.writeVersionPID(process.pid, server_plugin_1.VERSION);
}
else if (pid !== process.pid) {
throw new errors_1.ServerRunningError(pid);
}
}
else {
await prevApp.close().catch((error) => {
this.monitor.logError({
name: 'grpc_app_close_error',
message: 'Failed to close previous app',
error,
});
});
}
const app = new mali_1.default(server_grpc_1.proto);
app.silent = false;
app.on('error', (error, ctx) => {
let monitor = this.monitor;
if (ctx != undefined && ctx.state != undefined && ctx.state.monitor != undefined) {
({ monitor } = ctx.state);
}
monitor.logError({
name: 'grpc_server_request_uncaught_error',
message: 'Uncaught grpc error.',
error,
});
});
app.use(middleware_1.context({ monitor: this.monitor }));
app.use(middleware_1.services({ server: this }));
this.mutableServerDebug.port = serverConfig.port;
app.start(`0.0.0.0:${serverConfig.port}`);
this.monitor.log({
name: 'server_listen',
message: `GRPC Server listening on 0.0.0.0:${serverConfig.port}.`,
level: 'info',
});
return app;
}), undefined, 1), utils_1.finalize(async (app) => {
if (app !== undefined) {
await app.close();
}
}));
const app$ = new rxjs_1.BehaviorSubject((() => {
const app = new koa_1.default();
app.silent = true;
app.on('error', http_1.onError({ monitor: this.monitor }));
const router = new koa_router_1.default();
const rpcMiddleware = middleware_1.rpc({ server: this });
router.use(http_1.context({ monitor: this.monitor }));
router.use(http_1.cors).post(rpcMiddleware.name, rpcMiddleware.path, rpcMiddleware.middleware);
app.use(router.routes());
app.use(http_1.cors);
app.use(router.allowedMethods());
return app;
})());
const http$ = this.serverConfig.config$.pipe(operators_1.switchMap((config) => http_1.createServer$(this.monitor, app$, rxjs_1.of(60000), { host: '0.0.0.0', port: config.httpServer.port }, () => http.createServer())));
return rxjs_1.combineLatest([grpc$, http$]);
}
async reset() {
await this.pluginManager.reset();
}
getDebug() {
return [
['Server Config Path', this.serverConfig.configPath],
['Data Path', this.dataPath],
['Server', { type: 'describe', table: this.getServerDebug() }],
['Plugin Manager', { type: 'describe', table: this.pluginManager.getDebug() }],
];
}
getServerDebug() {
return [
['Port', this.getValue(this.mutableServerDebug.port)],
['Process ID', this.getValue(this.mutableServerDebug.pid)],
['Process ID Path', this.getValue(this.mutableServerDebug.pidPath)],
];
}
getValue(value) {
return value === undefined ? 'Not Set' : `${value}`;
}
}
exports.Server = Server;
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{ context as httpContext, cors, createServer$, onError as appOnError } from '@neo-one/http';\nimport { Monitor } from '@neo-one/monitor';\nimport { ServerConfig, ServerManager } from '@neo-one/server-client';\nimport { proto } from '@neo-one/server-grpc';\nimport { Binary, Config, DescribeTable, VERSION } from '@neo-one/server-plugin';\nimport { finalize } from '@neo-one/utils';\nimport * as http from 'http';\nimport Application from 'koa';\nimport Router from 'koa-router';\nimport Mali, { Context } from 'mali';\nimport * as path from 'path';\nimport { BehaviorSubject, combineLatest, defer, Observable, of as _of } from 'rxjs';\nimport { distinctUntilChanged, map, mergeScan, switchMap } from 'rxjs/operators';\nimport { ServerRunningError } from './errors';\nimport { context, rpc, services as servicesMiddleware } from './middleware';\nimport { PluginManager } from './PluginManager';\nimport { PortAllocator } from './PortAllocator';\n\nconst PLUGIN_PATH = 'plugin';\n\nexport class Server {\n  public static init$({\n    monitor,\n    binary,\n    serverConfig,\n  }: {\n    readonly monitor: Monitor;\n    readonly binary: Binary;\n    readonly serverConfig: Config<ServerConfig>;\n  }): Observable<Server> {\n    const dataPath$ = serverConfig.config$.pipe(\n      map((config) => config.paths.data),\n      distinctUntilChanged(),\n    );\n\n    const portAllocator$ = combineLatest([\n      dataPath$,\n      serverConfig.config$.pipe(\n        map((config) => config.ports),\n        distinctUntilChanged(),\n      ),\n    ]).pipe(\n      switchMap(([dataPath, ports]) =>\n        defer(async () =>\n          PortAllocator.create({\n            monitor,\n            dataPath,\n            portMin: ports.min,\n            portMax: ports.max,\n          }),\n        ),\n      ),\n    );\n\n    const pluginManager$ = combineLatest([\n      dataPath$,\n      portAllocator$,\n      serverConfig.config$.pipe(\n        map((config) => config.httpServer.port),\n        distinctUntilChanged(),\n      ),\n    ]).pipe(\n      switchMap(([dataPath, portAllocator, httpServerPort]) =>\n        defer(async () => {\n          const pluginManager = new PluginManager({\n            monitor,\n            binary,\n            portAllocator,\n            dataPath: path.resolve(dataPath, PLUGIN_PATH),\n            httpServerPort,\n          });\n\n          await pluginManager.init();\n\n          return pluginManager;\n        }),\n      ),\n    );\n\n    return combineLatest([dataPath$, pluginManager$]).pipe(\n      switchMap(([dataPath, pluginManager]) => {\n        const server = new Server({\n          monitor,\n          serverConfig,\n          dataPath,\n          pluginManager,\n        });\n\n        return server.start$().pipe(\n          map(() => server),\n          distinctUntilChanged(),\n        );\n      }),\n    );\n  }\n\n  public readonly serverConfig: Config<ServerConfig>;\n  public readonly dataPath: string;\n  public readonly pluginManager: PluginManager;\n  private readonly monitor: Monitor;\n  private readonly mutableServerDebug: {\n    // tslint:disable-next-line readonly-keyword\n    port?: number;\n    // tslint:disable-next-line readonly-keyword\n    pid?: number;\n    // tslint:disable-next-line readonly-keyword\n    pidPath?: string;\n  };\n\n  public constructor({\n    monitor,\n    serverConfig,\n    dataPath,\n    pluginManager,\n  }: {\n    readonly monitor: Monitor;\n    readonly serverConfig: Config<ServerConfig>;\n    readonly dataPath: string;\n    readonly pluginManager: PluginManager;\n  }) {\n    this.monitor = monitor.at('server');\n    this.serverConfig = serverConfig;\n    this.dataPath = dataPath;\n    this.pluginManager = pluginManager;\n\n    this.mutableServerDebug = {};\n  }\n\n  // tslint:disable-next-line no-any\n  public start$(): Observable<any> {\n    const grpc$ = this.serverConfig.config$.pipe(\n      map((config) => config.server),\n      distinctUntilChanged(),\n      mergeScan<ServerConfig['server'], Mali | undefined>(\n        (prevApp, serverConfig) =>\n          defer(async () => {\n            if (prevApp === undefined) {\n              const manager = new ServerManager({\n                dataPath: this.dataPath,\n                serverVersion: VERSION,\n              });\n              this.mutableServerDebug.pidPath = manager.pidPath;\n\n              const pid = await manager.checkAlive(serverConfig.port);\n              if (pid === undefined) {\n                this.mutableServerDebug.pid = process.pid;\n\n                await manager.writeVersionPID(process.pid, VERSION);\n              } else if (pid !== process.pid) {\n                throw new ServerRunningError(pid);\n              }\n            } else {\n              await prevApp.close().catch((error: Error) => {\n                this.monitor.logError({\n                  name: 'grpc_app_close_error',\n                  message: 'Failed to close previous app',\n                  error,\n                });\n              });\n            }\n            const app = new Mali(proto);\n            app.silent = false;\n            app.on('error', (error: Error, ctx: Context | undefined | null) => {\n              let monitor = this.monitor;\n              // tslint:disable-next-line:no-any\n              if (ctx != undefined && (ctx as any).state != undefined && (ctx as any).state.monitor != undefined) {\n                // tslint:disable-next-line:no-any\n                ({ monitor } = (ctx as any).state);\n              }\n              monitor.logError({\n                name: 'grpc_server_request_uncaught_error',\n                message: 'Uncaught grpc error.',\n                error,\n              });\n            });\n            app.use(context({ monitor: this.monitor }));\n            app.use(servicesMiddleware({ server: this }));\n            this.mutableServerDebug.port = serverConfig.port;\n            app.start(`0.0.0.0:${serverConfig.port}`);\n            this.monitor.log({\n              name: 'server_listen',\n              message: `GRPC Server listening on 0.0.0.0:${serverConfig.port}.`,\n              level: 'info',\n            });\n\n            return app;\n          }),\n        undefined,\n        1,\n      ),\n      finalize<Mali | undefined>(async (app) => {\n        if (app !== undefined) {\n          await app.close();\n        }\n      }),\n    );\n\n    const app$ = new BehaviorSubject(\n      (() => {\n        // tslint:disable-next-line:no-any\n        const app = new Application<any, {}>();\n        app.silent = true;\n\n        app.on('error', appOnError({ monitor: this.monitor }));\n\n        // tslint:disable-next-line:no-any\n        const router = new Router<any, {}>();\n\n        const rpcMiddleware = rpc({ server: this });\n        router.use(httpContext({ monitor: this.monitor }));\n        router.use(cors).post(rpcMiddleware.name, rpcMiddleware.path, rpcMiddleware.middleware);\n\n        app.use(router.routes());\n        app.use(cors);\n        app.use(router.allowedMethods());\n\n        return app;\n      })(),\n    );\n\n    const http$ = this.serverConfig.config$.pipe(\n      switchMap((config) =>\n        createServer$(this.monitor, app$, _of(60000), { host: '0.0.0.0', port: config.httpServer.port }, () =>\n          http.createServer(),\n        ),\n      ),\n    );\n\n    return combineLatest([grpc$, http$]);\n  }\n\n  public async reset(): Promise<void> {\n    await this.pluginManager.reset();\n  }\n\n  public getDebug(): DescribeTable {\n    return [\n      ['Server Config Path', this.serverConfig.configPath] as const,\n      ['Data Path', this.dataPath] as const,\n      ['Server', { type: 'describe', table: this.getServerDebug() }] as const,\n      ['Plugin Manager', { type: 'describe', table: this.pluginManager.getDebug() }] as const,\n    ];\n  }\n\n  private getServerDebug(): DescribeTable {\n    return [\n      ['Port', this.getValue(this.mutableServerDebug.port)] as const,\n      ['Process ID', this.getValue(this.mutableServerDebug.pid)] as const,\n      ['Process ID Path', this.getValue(this.mutableServerDebug.pidPath)] as const,\n    ];\n  }\n\n  private getValue(value?: string | number): string {\n    return value === undefined ? 'Not Set' : `${value}`;\n  }\n}\n"]}