Function synchronized

src/hook/manager.cpp:57–79

Try<Nothing> HookManager::initialize(const string& hookList)
{
  synchronized (mutex) {
    const vector<string> hooks = strings::split(hookList, ",");
    foreach (const string& hook, hooks) {
      if (availableHooks->contains(hook)) {
        return Error("Hook module '" + hook + "' already loaded");
      }

      if (!ModuleManager::contains<Hook>(hook)) {
        return Error("No hook module named '" + hook + "' available");
      }

      // Let's create an instance of the hook module.
      Try<Hook*> module = ModuleManager::create<Hook>(hook);
      if (module.isError()) {
        return Error(
            "Failed to instantiate hook module '" + hook + "': " +
            module.error());
      }

      // Add the hook module to the list of available hooks.
      (*availableHooks)[hook] = module.get();
    }
  }

  return Nothing();
}