make logs smaller

scripts/rewrite_logs.js

@@ -0,0 +1,80 @@
+import fs from 'fs'
+import Protocol from '../common/Protocol.js'
+
+const DATA_DIR = '../data'
+
+const filename = (gameId) => `${DATA_DIR}/log_${gameId}.log`
+
+const rewrite = (gameId) => {
+  const file = filename(gameId)
+  console.log(file)
+  if (!fs.existsSync(file)) {
+    return []
+  }
+  let playerIds = [];
+  let startTs = null
+  const lines = fs.readFileSync(file, 'utf-8').split("\n")
+  const linesNew = lines.filter(line => !!line).map((line) => {
+    const json = JSON.parse(line)
+    const m = {
+      createGame: Protocol.LOG_HEADER,
+      addPlayer: Protocol.LOG_ADD_PLAYER,
+      handleInput: Protocol.LOG_HANDLE_INPUT,
+    }
+    const action = json[0]
+    if (action in m) {
+      json[0] = m[action]
+      if (json[0] === Protocol.LOG_HANDLE_INPUT) {
+        const inputm = {
+          down: Protocol.INPUT_EV_MOUSE_DOWN,
+          up: Protocol.INPUT_EV_MOUSE_UP,
+          move: Protocol.INPUT_EV_MOUSE_MOVE,
+          zoomin: Protocol.INPUT_EV_ZOOM_IN,
+          zoomout: Protocol.INPUT_EV_ZOOM_OUT,
+          bg_color: Protocol.INPUT_EV_BG_COLOR,
+          player_color: Protocol.INPUT_EV_PLAYER_COLOR,
+          player_name: Protocol.INPUT_EV_PLAYER_NAME,
+        }
+        const inputa = json[2][0]
+        if (inputa in inputm) {
+          json[2][0] = inputm[inputa]
+        } else {
+          throw '[ invalid input log line: "' + line + '" ]'
+        }
+      }
+    } else {
+      throw '[ invalid general log line: "' + line + '" ]'
+    }
+
+    if (json[0] === Protocol.LOG_ADD_PLAYER) {
+      if (playerIds.indexOf(json[1]) === -1) {
+        playerIds.push(json[1])
+      } else {
+        json[0] = Protocol.LOG_UPDATE_PLAYER
+        json[1] = playerIds.indexOf(json[1])
+      }
+    }
+
+    if (json[0] === Protocol.LOG_HANDLE_INPUT) {
+      json[1] = playerIds.indexOf(json[1])
+      if (json[1] === -1) {
+        throw '[ invalid player ... "' + line + '" ]'
+      }
+    }
+
+    if (json[0] === Protocol.LOG_HEADER) {
+      startTs = json[json.length - 1]
+      json[4] = json[3]
+      json[3] = json[2]
+      json[2] = json[1]
+      json[1] = 1
+    } else {
+      json[json.length - 1] = json[json.length - 1] - startTs
+    }
+    return JSON.stringify(json)
+  })
+
+  fs.writeFileSync(file, linesNew.join("\n") + "\n")
+}
+
+rewrite(process.argv[2])