| 1 | import type { Env } from "./env"; |
| 2 | import { firebaseConfigured } from "./firebase_rtdb"; |
| 3 | |
| 4 | export const FIREBASE_OUTBOX_LIMIT = 5_000; |
| 5 | export const FIREBASE_OUTBOX_BATCH = 200; |
| 6 | const FIREBASE_GROUP_LEASE_MS = 60_000; |
| 7 | export const FIREBASE_STORAGE_BUDGET_BYTES = 700 * 1024 * 1024; |
| 8 | export const FIREBASE_STORAGE_WARNING_BYTES = Math.floor(FIREBASE_STORAGE_BUDGET_BYTES * 0.8); |
| 9 | export const FIREBASE_ACTIVE_RESERVATION_BYTES = 640 * 1024; |
| 10 | export const FIREBASE_COMPACTED_RESERVATION_BYTES = 128 * 1024; |
| 11 | export const FIREBASE_ARCHIVING_RESERVATION_BYTES = 32 * 1024; |
| 12 | |
| 13 | export type FirebaseSampleState = "active" | "compacted" | "archiving" | "archived"; |
| 14 | |
| 15 | export type FirebaseGroupState = { |
| 16 | fingerprint: string; |
| 17 | sample_state: FirebaseSampleState; |
| 18 | sample_epoch: number; |
| 19 | epoch_first_event_id: string; |
| 20 | reserved_bytes: number; |
| 21 | last_seen: string; |
| 22 | compacted_at: string; |
| 23 | archived_at: string; |
| 24 | archive_reason: "" | "retention" | "admin"; |
| 25 | lease_owner: string; |
| 26 | lease_generation: number; |
| 27 | lease_expires_at: string; |
| 28 | }; |
| 29 | |
| 30 | export type FirebaseGroupLease = { owner: string; generation: number }; |
| 31 | |
| 32 | export type CrashStorageMode = "d1" | "dual" | "firebase"; |
| 33 | |
| 34 | export type FirebaseOutboxRow = { |
| 35 | event_id: string; |
| 36 | fingerprint: string; |
| 37 | payload: string; |
| 38 | state: "queued" | "processing" | "projected"; |
| 39 | attempts: number; |
| 40 | next_attempt_at: string; |
| 41 | created_at: string; |
| 42 | updated_at: string; |
| 43 | }; |
| 44 | |
| 45 | export type FirebaseProjectionReceipt = { |
| 46 | group_count: number; |
| 47 | latest_slot: number; |
| 48 | first_sample: number; |
| 49 | }; |
| 50 | |
| 51 | export function crashStorageMode(env: Env): CrashStorageMode { |
| 52 | const raw = env.CRASH_STORAGE_MODE?.trim().toLowerCase() || "d1"; |
| 53 | if (raw === "d1" || raw === "dual" || raw === "firebase") return raw; |
| 54 | throw new Error(`invalid crash storage mode ${raw}`); |
| 55 | } |
| 56 | |
| 57 | export function firebaseStorageReady(env: Env): boolean { |
| 58 | return crashStorageMode(env) === "d1" || firebaseConfigured(env); |
| 59 | } |
| 60 | |
| 61 | export async function enqueueFirebaseCrash( |
| 62 | env: Env, |
| 63 | eventId: string, |
| 64 | fingerprint: string, |
| 65 | payload: string, |
| 66 | now: string, |
| 67 | ): Promise<"inserted" | "duplicate" | "full"> { |
| 68 | const result = await env.DB.prepare( |
| 69 | `INSERT OR IGNORE INTO firebase_crash_outbox ( |
| 70 | event_id, fingerprint, payload, state, attempts, next_attempt_at, created_at, updated_at |
| 71 | ) |
| 72 | SELECT ?1, ?2, ?3, 'queued', 0, ?4, ?4, ?4 |
| 73 | WHERE (SELECT COUNT(*) FROM firebase_crash_outbox) < ?5 |
| 74 | AND NOT EXISTS (SELECT 1 FROM firebase_crash_receipts WHERE event_id = ?1)`, |
| 75 | ).bind(eventId, fingerprint, payload, now, FIREBASE_OUTBOX_LIMIT).run(); |
| 76 | if (Number(result.meta?.changes ?? 0) > 0) return "inserted"; |
| 77 | const existing = await env.DB.prepare( |
| 78 | `SELECT event_id FROM firebase_crash_outbox WHERE event_id = ?1 |
| 79 | UNION ALL SELECT event_id FROM firebase_crash_receipts WHERE event_id = ?1 LIMIT 1`, |
| 80 | ).bind(eventId).first<{ event_id: string }>(); |
| 81 | return existing ? "duplicate" : "full"; |
| 82 | } |
| 83 | |
| 84 | export async function claimFirebaseCrash(env: Env, eventId: string, now: string): Promise<boolean> { |
| 85 | const result = await env.DB.prepare( |
| 86 | `UPDATE firebase_crash_outbox SET state = 'processing', updated_at = ?2 |
| 87 | WHERE event_id = ?1 AND ( |
| 88 | state = 'queued' OR (state = 'processing' AND datetime(updated_at) < datetime('now', '-10 minutes')) |
| 89 | )`, |
| 90 | ).bind(eventId, now).run(); |
| 91 | return Number(result.meta?.changes ?? 0) > 0; |
| 92 | } |
| 93 | |
| 94 | export function projectionCompletionStatements( |
| 95 | db: D1Database, |
| 96 | eventId: string, |
| 97 | fingerprint: string, |
| 98 | now: string, |
| 99 | ): D1PreparedStatement[] { |
| 100 | const stateWrite = db.prepare( |
| 101 | `UPDATE firebase_crash_group_state |
| 102 | SET epoch_first_event_id = CASE WHEN epoch_first_event_id = '' THEN ?1 ELSE epoch_first_event_id END, |
| 103 | last_seen = CASE WHEN last_seen < ?2 THEN ?2 ELSE last_seen END |
| 104 | WHERE fingerprint = ?3 AND sample_state = 'active'`, |
| 105 | ).bind(eventId, now, fingerprint); |
| 106 | const receipt = db.prepare( |
| 107 | `INSERT OR IGNORE INTO firebase_crash_receipts ( |
| 108 | event_id, projected_at, group_count, latest_slot, first_sample |
| 109 | ) |
| 110 | SELECT ?1, ?2, groups.count, (groups.count - 1) % 5, |
| 111 | CASE WHEN state.epoch_first_event_id = ?1 THEN 1 ELSE 0 END |
| 112 | FROM groups |
| 113 | JOIN firebase_crash_group_state AS state USING (fingerprint) |
| 114 | WHERE groups.fingerprint = ?3`, |
| 115 | ).bind(eventId, now, fingerprint); |
| 116 | return [ |
| 117 | stateWrite, |
| 118 | receipt, |
| 119 | db.prepare( |
| 120 | "UPDATE firebase_crash_outbox SET state = 'projected', updated_at = ?2 WHERE event_id = ?1", |
| 121 | ).bind(eventId, now), |
| 122 | ]; |
| 123 | } |
| 124 | |
| 125 | export async function firebaseProjectionReceipt( |
| 126 | env: Env, |
| 127 | eventId: string, |
| 128 | ): Promise<FirebaseProjectionReceipt | null> { |
| 129 | return env.DB.prepare( |
| 130 | "SELECT group_count, latest_slot, first_sample FROM firebase_crash_receipts WHERE event_id = ?1", |
| 131 | ).bind(eventId).first<FirebaseProjectionReceipt>(); |
| 132 | } |
| 133 | |
| 134 | export async function firebaseProjectionExists(env: Env, eventId: string): Promise<boolean> { |
| 135 | return Boolean(await env.DB.prepare( |
| 136 | "SELECT event_id FROM firebase_crash_receipts WHERE event_id = ?1", |
| 137 | ).bind(eventId).first()); |
| 138 | } |
| 139 | |
| 140 | export async function firebaseOutboxExists(env: Env, eventId: string): Promise<boolean> { |
| 141 | return Boolean(await env.DB.prepare( |
| 142 | "SELECT event_id FROM firebase_crash_outbox WHERE event_id = ?1", |
| 143 | ).bind(eventId).first()); |
| 144 | } |
| 145 | |
| 146 | export async function firebaseEventExists(env: Env, eventId: string): Promise<boolean> { |
| 147 | return Boolean(await env.DB.prepare( |
| 148 | `SELECT event_id FROM firebase_crash_outbox WHERE event_id = ?1 |
| 149 | UNION ALL SELECT event_id FROM firebase_crash_receipts WHERE event_id = ?1 LIMIT 1`, |
| 150 | ).bind(eventId).first()); |
| 151 | } |
| 152 | |
| 153 | export async function firebaseGroupState( |
| 154 | env: Env, |
| 155 | fingerprint: string, |
| 156 | ): Promise<FirebaseGroupState | null> { |
| 157 | return env.DB.prepare( |
| 158 | `SELECT fingerprint, sample_state, sample_epoch, epoch_first_event_id, reserved_bytes, |
| 159 | last_seen, compacted_at, archived_at, archive_reason, |
| 160 | lease_owner, lease_generation, lease_expires_at |
| 161 | FROM firebase_crash_group_state WHERE fingerprint = ?1`, |
| 162 | ).bind(fingerprint).first<FirebaseGroupState>(); |
| 163 | } |
| 164 | |
| 165 | export async function reserveFirebaseGroup( |
| 166 | env: Env, |
| 167 | fingerprint: string, |
| 168 | lastSeen: string, |
| 169 | ): Promise<"reserved" | "full"> { |
| 170 | const result = await env.DB.prepare( |
| 171 | `INSERT INTO firebase_crash_group_state ( |
| 172 | fingerprint, sample_state, sample_epoch, epoch_first_event_id, |
| 173 | reserved_bytes, last_seen, compacted_at, archived_at, archive_reason |
| 174 | ) |
| 175 | SELECT ?1, 'active', 1, '', ?2, ?3, '', '', '' |
| 176 | WHERE (SELECT COALESCE(SUM(reserved_bytes), 0) FROM firebase_crash_group_state) + ?2 <= ?4 |
| 177 | AND ( |
| 178 | NOT EXISTS (SELECT 1 FROM groups WHERE fingerprint = ?1) OR |
| 179 | EXISTS (SELECT 1 FROM firebase_crash_group_state WHERE fingerprint = ?1) |
| 180 | ) |
| 181 | ON CONFLICT (fingerprint) DO UPDATE SET |
| 182 | sample_state = 'active', |
| 183 | sample_epoch = CASE |
| 184 | WHEN firebase_crash_group_state.sample_state IN ('archiving', 'archived') |
| 185 | THEN firebase_crash_group_state.sample_epoch + 1 |
| 186 | ELSE firebase_crash_group_state.sample_epoch |
| 187 | END, |
| 188 | epoch_first_event_id = CASE |
| 189 | WHEN firebase_crash_group_state.sample_state IN ('archiving', 'archived') THEN '' |
| 190 | ELSE firebase_crash_group_state.epoch_first_event_id |
| 191 | END, |
| 192 | reserved_bytes = ?2, |
| 193 | last_seen = CASE WHEN firebase_crash_group_state.last_seen < ?3 |
| 194 | THEN ?3 ELSE firebase_crash_group_state.last_seen END, |
| 195 | compacted_at = '', archived_at = '', archive_reason = '' |
| 196 | WHERE firebase_crash_group_state.reserved_bytes >= ?2 OR |
| 197 | (SELECT COALESCE(SUM(reserved_bytes), 0) FROM firebase_crash_group_state) |
| 198 | - firebase_crash_group_state.reserved_bytes + ?2 <= ?4`, |
| 199 | ).bind(fingerprint, FIREBASE_ACTIVE_RESERVATION_BYTES, lastSeen, FIREBASE_STORAGE_BUDGET_BYTES).run(); |
| 200 | return Number(result.meta?.changes ?? 0) > 0 ? "reserved" : "full"; |
| 201 | } |
| 202 | |
| 203 | export async function reclaimUnusedFirebaseReservation(env: Env, fingerprint: string): Promise<void> { |
| 204 | await env.DB.prepare( |
| 205 | `DELETE FROM firebase_crash_group_state |
| 206 | WHERE fingerprint = ?1 AND lease_generation = 0 |
| 207 | AND NOT EXISTS (SELECT 1 FROM groups WHERE fingerprint = ?1) |
| 208 | AND NOT EXISTS (SELECT 1 FROM firebase_crash_outbox WHERE fingerprint = ?1)`, |
| 209 | ).bind(fingerprint).run(); |
| 210 | } |
| 211 | |
| 212 | export async function acquireFirebaseGroupLease( |
| 213 | env: Env, |
| 214 | fingerprint: string, |
| 215 | now = new Date(), |
| 216 | ): Promise<FirebaseGroupLease | null> { |
| 217 | const owner = crypto.randomUUID(); |
| 218 | const acquiredAt = now.toISOString(); |
| 219 | const expiresAt = new Date(now.getTime() + FIREBASE_GROUP_LEASE_MS).toISOString(); |
| 220 | const acquired = await env.DB.prepare( |
| 221 | `UPDATE firebase_crash_group_state |
| 222 | SET lease_owner = ?2, lease_generation = lease_generation + 1, lease_expires_at = ?3 |
| 223 | WHERE fingerprint = ?1 AND ( |
| 224 | lease_owner = '' OR datetime(lease_expires_at) <= datetime(?4) |
| 225 | ) |
| 226 | RETURNING lease_generation`, |
| 227 | ).bind(fingerprint, owner, expiresAt, acquiredAt).first<{ lease_generation: number }>(); |
| 228 | return acquired ? { owner, generation: Number(acquired.lease_generation) } : null; |
| 229 | } |
| 230 | |
| 231 | export async function renewFirebaseGroupLease( |
| 232 | env: Env, |
| 233 | fingerprint: string, |
| 234 | lease: FirebaseGroupLease, |
| 235 | now = new Date(), |
| 236 | ): Promise<boolean> { |
| 237 | const current = now.toISOString(); |
| 238 | const expiresAt = new Date(now.getTime() + FIREBASE_GROUP_LEASE_MS).toISOString(); |
| 239 | const result = await env.DB.prepare( |
| 240 | `UPDATE firebase_crash_group_state SET lease_expires_at = ?4 |
| 241 | WHERE fingerprint = ?1 AND lease_owner = ?2 AND lease_generation = ?3 |
| 242 | AND datetime(lease_expires_at) > datetime(?5)`, |
| 243 | ).bind(fingerprint, lease.owner, lease.generation, expiresAt, current).run(); |
| 244 | return Number(result.meta?.changes ?? 0) > 0; |
| 245 | } |
| 246 | |
| 247 | export async function releaseFirebaseGroupLease( |
| 248 | env: Env, |
| 249 | fingerprint: string, |
| 250 | lease: FirebaseGroupLease, |
| 251 | ): Promise<void> { |
| 252 | await env.DB.prepare( |
| 253 | `UPDATE firebase_crash_group_state SET lease_owner = '', lease_expires_at = '' |
| 254 | WHERE fingerprint = ?1 AND lease_owner = ?2 AND lease_generation = ?3`, |
| 255 | ).bind(fingerprint, lease.owner, lease.generation).run(); |
| 256 | } |
| 257 | |
| 258 | export async function markFirebaseDelivered(env: Env, eventId: string): Promise<void> { |
| 259 | await env.DB.prepare("DELETE FROM firebase_crash_outbox WHERE event_id = ?1").bind(eventId).run(); |
| 260 | } |
| 261 | |
| 262 | export async function recordFirebaseRetry( |
| 263 | env: Env, |
| 264 | eventId: string, |
| 265 | state: FirebaseOutboxRow["state"], |
| 266 | attempts: number, |
| 267 | ): Promise<void> { |
| 268 | const delaySeconds = Math.min(24 * 60 * 60, 30 * 2 ** Math.min(attempts, 11)); |
| 269 | const now = new Date(); |
| 270 | const next = new Date(now.getTime() + delaySeconds * 1000).toISOString(); |
| 271 | await env.DB.prepare( |
| 272 | `UPDATE firebase_crash_outbox |
| 273 | SET state = ?2, attempts = attempts + 1, next_attempt_at = ?3, updated_at = ?4 |
| 274 | WHERE event_id = ?1`, |
| 275 | ).bind(eventId, state, next, now.toISOString()).run(); |
| 276 | } |
| 277 | |
| 278 | export async function dueFirebaseCrashes(env: Env): Promise<FirebaseOutboxRow[]> { |
| 279 | const result = await env.DB.prepare( |
| 280 | `SELECT event_id, fingerprint, payload, state, attempts, next_attempt_at, created_at, updated_at |
| 281 | FROM firebase_crash_outbox |
| 282 | WHERE next_attempt_at <= ?1 AND ( |
| 283 | state IN ('queued', 'projected') OR |
| 284 | (state = 'processing' AND datetime(updated_at) < datetime('now', '-10 minutes')) |
| 285 | ) |
| 286 | ORDER BY created_at LIMIT ?2`, |
| 287 | ).bind(new Date().toISOString(), FIREBASE_OUTBOX_BATCH).all<FirebaseOutboxRow>(); |
| 288 | return result.results; |
| 289 | } |
| 290 | |
| 291 | export async function purgeFirebaseDeliveryState(env: Env): Promise<void> { |
| 292 | await env.DB.batch([ |
| 293 | env.DB.prepare("DELETE FROM firebase_crash_outbox WHERE datetime(created_at) < datetime('now', '-30 days')"), |
| 294 | env.DB.prepare("DELETE FROM firebase_crash_receipts WHERE datetime(projected_at) < datetime('now', '-90 days')"), |
| 295 | env.DB.prepare( |
| 296 | `UPDATE firebase_crash_group_state SET lease_owner = '', lease_expires_at = '' |
| 297 | WHERE lease_owner != '' AND datetime(lease_expires_at) < datetime('now')`, |
| 298 | ), |
| 299 | ]); |
| 300 | } |
| 301 |