Package backoff 提供阻塞功能.

AtomicMap creates a concurrent map with amortized-constant-time loads, stores, and deletes.

GenerateTLSConfigForServer 生成tls证书.

GetBytes 通过可识别字符串，返回数字容量 logSize=1MB logSize=1GB logSize=1KB logSize=1024 .

IsSameAddr 判断两个地址是否相同.

NewFakeAddr 创建一个虚地址对象.

NewFakeAddr2 创建另一个不同参数的虚地址对象.

NewTLSConfigFromFile 通过证书文件生成证书信息.

RwMap creates a new concurrent safe map with sync.RWMutex.

FakeAddr 是一个虚地址对象，实现了net.Add.

Map is a concurrent map with loads, stores, and deletes.