[feat] snowflake client support

1 files changed, 34 insertions, 0 deletions

diff --git a/pkg/snowflake/lib/interfaces.go b/pkg/snowflake/lib/interfaces.go
new file mode 100644
index 0000000..5378f4a
--- /dev/null
+++ b/pkg/snowflake/lib/interfaces.go
@@ -0,0 +1,34 @@
+package lib
+
+import (
+	"net"
+)
+
+// Interface for catching Snowflakes. (aka the remote dialer)
+type Tongue interface {
+	Catch() (*WebRTCPeer, error)
+
+	// Get the maximum number of snowflakes
+	GetMax() int
+}
+
+// Interface for collecting some number of Snowflakes, for passing along
+// ultimately to the SOCKS handler.
+type SnowflakeCollector interface {
+	// Add a Snowflake to the collection.
+	// Implementation should decide how to connect and maintain the webRTCConn.
+	Collect() (*WebRTCPeer, error)
+
+	// Remove and return the most available Snowflake from the collection.
+	Pop() *WebRTCPeer
+
+	// Signal when the collector has stopped collecting.
+	Melted() <-chan struct{}
+}
+
+// Interface to adapt to goptlib's SocksConn struct.
+type SocksConnector interface {
+	Grant(*net.TCPAddr) error
+	Reject() error
+	net.Conn
+}