client/connection: Initialise eventListeners and eventConns

Signed-off-by: Thomas Parrott <thomas.parrott@canonical.com>

client/connection.go

@@ -10,6 +10,7 @@ import (
 	"strings"
 	"time"
 
+	"github.com/gorilla/websocket"
 	log "gopkg.in/inconshreveable/log15.v2"
 	"gopkg.in/macaroon-bakery.v2/httpbakery"
 
@@ -88,10 +89,12 @@ func ConnectLXDHTTP(args *ConnectionArgs, client *http.Client) (InstanceServer,
 
 	// Initialize the client struct
 	server := ProtocolLXD{
-		httpHost:      "https://custom.socket",
-		httpProtocol:  "custom",
-		httpUserAgent: args.UserAgent,
-		chConnected:   make(chan struct{}, 1),
+		httpHost:       "https://custom.socket",
+		httpProtocol:   "custom",
+		httpUserAgent:  args.UserAgent,
+		chConnected:    make(chan struct{}, 1),
+		eventConns:     make(map[string]*websocket.Conn),
+		eventListeners: make(map[string][]*EventListener),
 	}
 
 	// Setup the HTTP client
@@ -126,11 +129,13 @@ func ConnectLXDUnix(path string, args *ConnectionArgs) (InstanceServer, error) {
 
 	// Initialize the client struct
 	server := ProtocolLXD{
-		httpHost:      "http://unix.socket",
-		httpUnixPath:  path,
-		httpProtocol:  "unix",
-		httpUserAgent: args.UserAgent,
-		chConnected:   make(chan struct{}, 1),
+		httpHost:       "http://unix.socket",
+		httpUnixPath:   path,
+		httpProtocol:   "unix",
+		httpUserAgent:  args.UserAgent,
+		chConnected:    make(chan struct{}, 1),
+		eventConns:     make(map[string]*websocket.Conn),
+		eventListeners: make(map[string][]*EventListener),
 	}
 
 	// Determine the socket path
@@ -255,6 +260,8 @@ func httpsLXD(url string, args *ConnectionArgs) (InstanceServer, error) {
 		httpUserAgent:    args.UserAgent,
 		bakeryInteractor: args.AuthInteractor,
 		chConnected:      make(chan struct{}, 1),
+		eventConns:       make(map[string]*websocket.Conn),
+		eventListeners:   make(map[string][]*EventListener),
 	}
 
 	if args.AuthType == "candid" {