Sort extension by priority

agent/main.go

@@ -17,6 +17,7 @@ import (
 	"path"
 	"path/filepath"
 	"plugin"
+	"sort"
 
 	"github.com/gin-contrib/static"
 	"github.com/gin-gonic/gin"
@@ -149,7 +150,6 @@ func loadExtensions() {
 		dissector, _ = symDissector.(tapApi.Dissector)
 		dissector.Register(extension)
 		extension.Dissector = dissector
-		log.Printf("Extension Properties: %+v\n", extension)
 		extensions[i] = extension
 		if ports, ok := appPorts[extension.Protocol.Name]; ok {
 			log.Printf("Overriding \"%s\" extension's ports to: %v", extension.Protocol.Name, ports)
@@ -158,6 +158,15 @@ func loadExtensions() {
 		extensionsMap[extension.Protocol.Name] = extension
 		allExtensionPorts = mergeUnique(allExtensionPorts, extension.Protocol.Ports)
 	}
+
+	sort.Slice(extensions, func(i, j int) bool {
+		return extensions[i].Protocol.Priority < extensions[j].Protocol.Priority
+	})
+
+	for _, extension := range extensions {
+		log.Printf("Extension Properties: %+v\n", extension)
+	}
+
 	controllers.InitExtensionsMap(extensionsMap)
 	log.Printf("All extension ports: %v\n", allExtensionPorts)
 }

tap/api/api.go

@@ -16,6 +16,7 @@ type Protocol struct {
 	FontSize        int8     `json:"font_size"`
 	ReferenceLink   string   `json:"reference_link"`
 	Ports           []string `json:"ports"`
+	Priority        uint8    `json:"priority"`
 }
 
 type Extension struct {

tap/extensions/amqp/main.go

@@ -21,6 +21,7 @@ var protocol api.Protocol = api.Protocol{
 	FontSize:        12,
 	ReferenceLink:   "https://www.rabbitmq.com/amqp-0-9-1-reference.html",
 	Ports:           []string{"5671", "5672"},
+	Priority:        1,
 }
 
 func init() {

tap/extensions/http/main.go

@@ -25,6 +25,7 @@ var protocol api.Protocol = api.Protocol{
 	FontSize:        12,
 	ReferenceLink:   "https://datatracker.ietf.org/doc/html/rfc2616",
 	Ports:           []string{"80", "8080", "50051"},
+	Priority:        0,
 }
 
 var http2Protocol api.Protocol = api.Protocol{
@@ -37,6 +38,7 @@ var http2Protocol api.Protocol = api.Protocol{
 	FontSize:        11,
 	ReferenceLink:   "https://datatracker.ietf.org/doc/html/rfc7540",
 	Ports:           []string{"80", "8080"},
+	Priority:        0,
 }
 
 const (

tap/extensions/kafka/main.go

@@ -20,6 +20,7 @@ var _protocol api.Protocol = api.Protocol{
 	FontSize:        11,
 	ReferenceLink:   "https://kafka.apache.org/protocol",
 	Ports:           []string{"9092"},
+	Priority:        2,
 }
 
 func init() {