/// <summary>
/// 导入已备份在云端的消息记录
/// </summary>
/// <param name="import_info">导入需要的参数参考NIMLogsBackupImportInfo定义</param>
/// <returns>false 当前有导入/导出操作正在进行中</returns>
public static bool ImportBackupFromRemote(NIMLogsBackupImportInfo import_info)
{
bool ret = false;
if (import_info != null)
{
//这里需增长import_info的生命周期，否则import_info被gc回收掉,会导致回调出问题
import_info_remain = import_info;
import_info_c.UnPackageCallback_ = ImportBackupFromRemoteUnPackageCallback;
import_info_c.RemoteDecryptCallback_ = ImportBackupFromRemoteDecryptCallback;
import_info_c.PathRelease_ = NewPathRelease;
import_info_c.ProgressCallback_ = ImportLogsBackupProgressCallback;
import_info_c.CompleteCallback_ = ImportLogsBackupCompleteCallback;
int nSizeOfParam = Marshal.SizeOf(import_info);
IntPtr param_ptr = Marshal.AllocHGlobal(nSizeOfParam);
try
{
Marshal.StructureToPtr(import_info, param_ptr, false);
import_info_c.user_data_ = param_ptr;
}
catch
{
}
ret = MsglogNativeMethods.nim_import_backup_from_remote(ref import_info_c);
}
return(ret);
}
