initial commit

protocol.go

@@ -0,0 +1,44 @@
+package showbridge
+
+import (
+	"context"
+	"fmt"
+	"sync"
+)
+
+type Protocol interface {
+	Run(context.Context) error
+}
+
+type ProtocolConfig struct {
+	Type   string         `json:"type"`
+	Params map[string]any `json:"params"`
+}
+
+type ProtocolRegistration struct {
+	Type string `json:"type"`
+	New  func(map[string]any) (Protocol, error)
+}
+
+func RegisterProtocol(proto ProtocolRegistration) {
+
+	if proto.Type == "" {
+		panic("protocol type is missing")
+	}
+	if proto.New == nil {
+		panic("missing ProtocolInfo.New")
+	}
+
+	protocolRegistryMu.Lock()
+	defer protocolRegistryMu.Unlock()
+
+	if _, ok := protocolRegistry[string(proto.Type)]; ok {
+		panic(fmt.Sprintf("protocol already registered: %s", proto.Type))
+	}
+	protocolRegistry[string(proto.Type)] = proto
+}
+
+var (
+	protocolRegistryMu sync.RWMutex
+	protocolRegistry   = make(map[string]ProtocolRegistration)
+)