File size: 5,718 Bytes
4e23b01 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 | import type { CascadeEngine } from '#/_base/di/cascadeEngine';
import {
IInstantiationService,
type ServiceIdentifier,
} from '#/_base/di/instantiation';
import type { InstantiationService } from '#/_base/di/instantiationService';
import { DisposableStore, type IDisposable } from '#/_base/di/lifecycle';
import { ScopeActivation, registerScopedService } from '#/_base/di/scope';
import { IEventService } from '#/app/event/event';
import { LifecycleScope } from '#/app/scopes';
import { Error2, ErrorCodes } from '#/errors';
import {
DiUnitChanged,
IDebugCascadeService,
type DebugCascadeEntry,
type DebugFailedUnit,
type DebugPendingGroup,
type DebugPendingUnit,
type DiUnitChangedPayload,
} from './debugCascade';
import {
resolveScopeContainer,
scopePathOfEngine,
walkScopeContainers,
} from './scopeTree';
export class DebugCascadeService implements IDebugCascadeService {
declare readonly _serviceBrand: undefined;
private readonly root: InstantiationService;
private readonly events: IEventService;
private readonly store = new DisposableStore();
private readonly engineSubscriptions = new Map<CascadeEngine, IDisposable>();
private tornDown = false;
constructor(
@IInstantiationService instantiation: IInstantiationService,
@IEventService events: IEventService,
) {
this.root = instantiation as InstantiationService;
this.events = events;
const tree = this.root.cascadeTree;
for (const engine of tree.engines) {
this._watchEngine(engine);
}
this.store.add(
tree.onDidAddEngine((engine) => {
this._watchEngine(engine);
}),
);
this.store.add(
tree.onDidRemoveEngine((engine) => {
this._unwatchEngine(engine);
}),
);
}
history(): DebugCascadeEntry[] {
const entries: DebugCascadeEntry[] = [];
for (const info of walkScopeContainers(this.root)) {
for (const entry of info.container.cascade.history()) {
entries.push({ scopePath: info.path, ...entry });
}
}
return entries.toSorted(
(a, b) => a.seq - b.seq || a.scopePath.localeCompare(b.scopePath),
);
}
pending(): DebugPendingGroup[] {
const groups: DebugPendingGroup[] = [];
for (const info of walkScopeContainers(this.root)) {
const waiting: DebugPendingUnit[] = [];
for (const [token, missing] of info.container.cascade.pendingSnapshot()) {
waiting.push({ token, missing: [...missing] });
}
const failed: DebugFailedUnit[] = info.container.cascade
.unitsSnapshot()
.filter((unit) => unit.state === 'Failed')
.map((unit) => ({ token: unit.token, error: unit.error }));
if (waiting.length > 0 || failed.length > 0) {
groups.push({ scopePath: info.path, waiting, failed });
}
}
return groups;
}
async unprovide(scopePath: string, token: string): Promise<void> {
const { container, id } = this._resolve(scopePath, token);
container.unprovide(id);
await container.cascade.whenIdle();
}
async update(scopePath: string, token: string, config?: unknown): Promise<void> {
const { container, id } = this._resolve(scopePath, token);
if (config === undefined) {
await container.cascade.update(id, `debug update ${token}`);
} else {
await container.fiberHost.updateToken(id, config, true);
}
}
async dispose(scopePath: string, token: string): Promise<void>;
dispose(): void;
async dispose(scopePath?: string, token?: string): Promise<void> {
if (scopePath === undefined && token === undefined) {
if (!this.tornDown) {
this.tornDown = true;
this.store.dispose();
for (const subscription of this.engineSubscriptions.values()) {
subscription.dispose();
}
this.engineSubscriptions.clear();
}
return;
}
if (scopePath === undefined || token === undefined) {
throw new Error2(
ErrorCodes.DEBUG_TOKEN_NOT_FOUND,
'dispose requires both a scope path and a token',
);
}
const { container, id } = this._resolve(scopePath, token);
await container.cascade.submit({
action: 'unprovide',
token: id,
reason: `debug dispose ${token}`,
});
}
private _resolve(
scopePath: string,
token: string,
): { container: InstantiationService; id: ServiceIdentifier<unknown> } {
const container = resolveScopeContainer(this.root, scopePath);
if (container === undefined) {
throw new Error2(
ErrorCodes.DEBUG_SCOPE_NOT_FOUND,
`no DI container at scope path '${scopePath}'`,
);
}
const id = container.findIdentifier(token);
if (id === undefined) {
throw new Error2(
ErrorCodes.DEBUG_TOKEN_NOT_FOUND,
`token '${token}' is not registered in container '${scopePath}'`,
);
}
return { container, id };
}
private _watchEngine(engine: CascadeEngine): void {
if (this.engineSubscriptions.has(engine)) {
return;
}
this.engineSubscriptions.set(
engine,
engine.onDidChangeUnitState((change) => {
const payload: DiUnitChangedPayload = {
scope: scopePathOfEngine(this.root, engine) ?? '#unknown',
token: change.token,
state: change.state,
error: change.error,
};
this.events.publish(new DiUnitChanged({ payload }));
}),
);
}
private _unwatchEngine(engine: CascadeEngine): void {
this.engineSubscriptions.get(engine)?.dispose();
this.engineSubscriptions.delete(engine);
}
}
registerScopedService(
LifecycleScope.App,
IDebugCascadeService,
DebugCascadeService,
ScopeActivation.OnScopeCreated,
'debug',
);
|