World serialization done (not well-tested yet)

luprex/core/cpp/sched.cpp

@@ -24,4 +24,23 @@ SchedEntry Schedule::pop() {
     schedule_.erase(schedule_.begin());
     return result;
 }
-    
+
+void Schedule::serialize(StreamBuffer *sb) {
+    sb->write_size(schedule_.size());
+    for (const SchedEntry &entry : schedule_) {
+        sb->write_int64(entry.clock_);
+        sb->write_int64(entry.thread_id_);
+        sb->write_int64(entry.place_id_);
+    }
+}
+
+void Schedule::deserialize(StreamBuffer *sb) {
+    schedule_.clear();
+    size_t nentry = sb->read_size();
+    for (size_t i = 0; i < nentry; i++) {
+        int64_t clock = sb->read_int64();
+        int64_t thread_id = sb->read_int64();
+        int64_t place_id = sb->read_int64();
+        add(clock, thread_id, place_id);
+    }
+}