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/// <reference types="node" />
import { CallCredentials } from './call-credentials';
import { Status } from './constants';
import { Deadline } from './deadline';
import { Metadata } from './metadata';
import { ServerSurfaceCall } from './server-call';
export interface CallStreamOptions {
deadline: Deadline;
flags: number;
host: string;
parentCall: ServerSurfaceCall | null;
}
export type PartialCallStreamOptions = Partial<CallStreamOptions>;
export interface StatusObject {
code: Status;
details: string;
metadata: Metadata;
}
export type PartialStatusObject = Pick<StatusObject, 'code' | 'details'> & {
metadata: Metadata | null;
};
export declare const enum WriteFlags {
BufferHint = 1,
NoCompress = 2,
WriteThrough = 4
}
export interface WriteObject {
message: Buffer;
flags?: number;
}
export interface MetadataListener {
(metadata: Metadata, next: (metadata: Metadata) => void): void;
}
export interface MessageListener {
(message: any, next: (message: any) => void): void;
}
export interface StatusListener {
(status: StatusObject, next: (status: StatusObject) => void): void;
}
export interface FullListener {
onReceiveMetadata: MetadataListener;
onReceiveMessage: MessageListener;
onReceiveStatus: StatusListener;
}
export type Listener = Partial<FullListener>;
/**
* An object with methods for handling the responses to a call.
*/
export interface InterceptingListener {
onReceiveMetadata(metadata: Metadata): void;
onReceiveMessage(message: any): void;
onReceiveStatus(status: StatusObject): void;
}
export declare function isInterceptingListener(listener: Listener | InterceptingListener): listener is InterceptingListener;
export declare class InterceptingListenerImpl implements InterceptingListener {
private listener;
private nextListener;
private processingMetadata;
private hasPendingMessage;
private pendingMessage;
private processingMessage;
private pendingStatus;
constructor(listener: FullListener, nextListener: InterceptingListener);
private processPendingMessage;
private processPendingStatus;
onReceiveMetadata(metadata: Metadata): void;
onReceiveMessage(message: any): void;
onReceiveStatus(status: StatusObject): void;
}
export interface WriteCallback {
(error?: Error | null): void;
}
export interface MessageContext {
callback?: WriteCallback;
flags?: number;
}
export interface Call {
cancelWithStatus(status: Status, details: string): void;
getPeer(): string;
start(metadata: Metadata, listener: InterceptingListener): void;
sendMessageWithContext(context: MessageContext, message: Buffer): void;
startRead(): void;
halfClose(): void;
getCallNumber(): number;
setCredentials(credentials: CallCredentials): void;
}
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