openBrl

1. Description

​ Used to open an application.

2. Method

• openBrl(brl: string): PromiseLike<BFS.Channel.Port | undefined>;

  • Parameter Description -brl: application open path
  • Return Value: Port used for duplex communication between two applications

  import "@bfs/bfchain-runtime-typings";
  const bfs = bfsprocess.import("bfs");
  (async ()=>{
     // Open an application B, get a current application A and application B duplex communication port
     const duplexPort = await bfs.openBrl("test://home.org");
     if (duplexPort) {
         // Receive the message sent by application B
         duplexPort.onRec.attach((data)=>{
            console.log("Message sent by application B:", data);
         });
         // App A sends a message to App B
         duplexPort.send('Hello, I am A');
  }
  })()

3. Related type declaration

namespace BFS {
    namespace Channel {
        interface Port<I = unknown, O = unknown> {
          send(msg: O, transfer?: any): void;
          close(): void;
          onRec: BFS.Evt.AttachOnlyEvtBase<I>;
          onRecError: BFS.Evt.AttachOnlyEvtBase<unknown>;
          onClosed: BFS.Evt.StatefulEvt.AttachOnlyEvtBase<boolean>;
        }
    }
}