添加 github.com/pion/dtls 代码

dtls-2.0.9/resume.go

@@ -0,0 +1,19 @@
+package dtls
+
+import (
+	"context"
+	"net"
+)
+
+// Resume imports an already established dtls connection using a specific dtls state
+func Resume(state *State, conn net.Conn, config *Config) (*Conn, error) {
+	if err := state.initCipherSuite(); err != nil {
+		return nil, err
+	}
+	c, err := createConn(context.Background(), conn, config, state.isClient, state)
+	if err != nil {
+		return nil, err
+	}
+
+	return c, nil
+}