{"id":326824,"date":"2022-01-10T08:39:03","date_gmt":"2022-01-10T08:39:03","guid":{"rendered":"http:\/\/savepearlharbor.com\/?p=326824"},"modified":"-0001-11-30T00:00:00","modified_gmt":"-0001-11-29T21:00:00","slug":"","status":"publish","type":"post","link":"https:\/\/savepearlharbor.com\/?p=326824","title":{"rendered":"<span>\u041f\u0440\u043e\u0441\u0442\u0435\u0439\u0448\u0438\u0439 \u0441\u0435\u0440\u0432\u0435\u0440 \u043d\u0430 Gorilla WebSocket<\/span>"},"content":{"rendered":"<div><\/div>\n<div id=\"post-content-body\" class=\"article-formatted-body article-formatted-body_version-2\">\n<div xmlns=\"http:\/\/www.w3.org\/1999\/xhtml\">\n<p>\u0412 \u044d\u0442\u043e\u043c \u043d\u0435\u0431\u043e\u043b\u044c\u0448\u043e\u043c \u0442\u0443\u0442\u043e\u0440\u0438\u0430\u043b\u0435, \u043c\u044b \u0447\u0443\u0442\u044c \u043f\u043e\u0434\u0440\u043e\u0431\u043d\u0435\u0435 \u0440\u0430\u0437\u0431\u0435\u0440\u0435\u043c \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435 <a href=\"https:\/\/github.com\/gorilla\/websocket\" rel=\"noopener noreferrer nofollow\">Gorilla WebSocket<\/a> \u0434\u043b\u044f \u043d\u0430\u043f\u0438\u0441\u0430\u043d\u0438\u044f \u0441\u0432\u043e\u0435\u0433\u043e websocket \u0441\u0435\u0440\u0432\u0435\u0440\u0430, \u043d\u0430 \u043f\u0440\u0438\u043c\u0435\u0440\u0435 \u0447\u0443\u0442\u044c \u0431\u043e\u043b\u0435\u0435 \u0444\u0443\u043d\u043a\u0446\u0438\u043e\u043d\u0430\u043b\u044c\u043d\u043e\u043c, \u0447\u0435\u043c <a href=\"https:\/\/github.com\/gorilla\/websocket\/blob\/master\/examples\/echo\/server.go\" rel=\"noopener noreferrer nofollow\">\u0431\u0430\u0437\u043e\u0432\u044b\u0439 \u043f\u0440\u0438\u043c\u0435\u0440<\/a> \u0438 \u0431\u043e\u043b\u0435\u0435 \u043b\u0435\u0433\u043a\u043e\u043c \u0434\u043b\u044f \u043f\u043e\u043d\u0438\u043c\u0430\u043d\u0438\u044f, \u0447\u0435\u043c <a href=\"https:\/\/github.com\/gorilla\/websocket\/tree\/master\/examples\/chat\" rel=\"noopener noreferrer nofollow\">\u043f\u0440\u0438\u043c\u0435\u0440 \u0447\u0430\u0442\u0430<\/a>.<\/p>\n<p>\u0427\u0442\u043e \u0431\u0443\u0434\u0435\u0442 \u0443\u043c\u0435\u0442\u044c \u043d\u0430\u0448 \u0441\u0435\u0440\u0432\u0435\u0440?<\/p>\n<ol>\n<li>\n<p>\u041e\u0442\u043f\u0440\u0430\u0432\u043b\u044f\u0442\u044c \u043d\u043e\u0432\u044b\u0435 \u0441\u043e\u043e\u0431\u0449\u0435\u043d\u0438\u044f \u043e\u0442 \u043a\u043b\u0438\u0435\u043d\u0442\u043e\u0432 \u0432 callback<\/p>\n<\/li>\n<li>\n<p>\u0425\u0440\u0430\u043d\u0438\u0442\u044c \u0430\u043a\u0442\u0438\u0432\u043d\u044b\u0435 \u0441\u043e\u0435\u0434\u0438\u043d\u0435\u043d\u0438\u044f \u0438 \u0437\u0430\u043a\u0440\u044b\u0432\u0430\u0442\u044c\/\u0443\u0434\u0430\u043b\u044f\u0442\u044c \u043d\u0435 \u0430\u043a\u0442\u0438\u0432\u043d\u044b\u0435<\/p>\n<\/li>\n<li>\n<p>\u0420\u0430\u0441\u0441\u044b\u043b\u0430\u0442\u044c \u0441\u043e\u043e\u0431\u0449\u0435\u043d\u0438\u044f \u043f\u043e \u0430\u043a\u0442\u0438\u0432\u043d\u044b\u043c \u0441\u043e\u0435\u0434\u0438\u043d\u0435\u043d\u0438\u044f\u043c<\/p>\n<\/li>\n<\/ol>\n<p>\u0414\u043b\u044f \u043d\u0430\u0447\u0430\u043b\u0430 \u043f\u043e\u0434\u043d\u0438\u043c\u0435\u043c \u043e\u0431\u044b\u0447\u043d\u044b\u0439 http \u0441\u0435\u0440\u0432\u0435\u0440 \u043f\u0440\u0438 \u043f\u043e\u043c\u043e\u0449\u0438 <a href=\"https:\/\/pkg.go.dev\/net\/http\" rel=\"noopener noreferrer nofollow\">net\/http<\/a>, \u0434\u043b\u044f \u0442\u043e\u0433\u043e \u0447\u0442\u043e\u0431\u044b \u043c\u044b \u043c\u043e\u0433\u043b\u0438 \u043e\u0442\u043b\u0430\u0432\u043b\u0438\u0432\u0430\u0442\u044c \u0437\u0430\u043f\u0440\u043e\u0441\u044b \u043d\u0430 \u0441\u043e\u0435\u0434\u0438\u043d\u0435\u043d\u0438\u0435:<\/p>\n<pre><code class=\"go\">package main  import ( \"fmt\" \"html\" \"net\/http\" )  func main() { http.HandleFunc(\"\/\", echo) http.ListenAndServe(\":8080\", nil) }  func echo(w http.ResponseWriter, r *http.Request) { fmt.Fprintf(w, \"Hello, %q\", html.EscapeString(r.URL.Path)) }<\/code><\/pre>\n<p>\u0422\u0435\u043f\u0435\u0440\u044c \u043d\u0430\u0443\u0447\u0438\u043c \u0435\u0433\u043e &#171;\u0430\u043f\u0433\u0440\u0435\u0439\u0434\u0438\u0442\u044c&#187; \u0441\u043e\u0435\u0434\u0438\u043d\u0435\u043d\u0438\u0435:<\/p>\n<pre><code class=\"go\">import ( \"github.com\/gorilla\/websocket\" \"net\/http\" )  var upgrader = websocket.Upgrader{ CheckOrigin: func(r *http.Request) bool { return true \/\/ \u041f\u0440\u043e\u043f\u0443\u0441\u043a\u0430\u0435\u043c \u043b\u044e\u0431\u043e\u0439 \u0437\u0430\u043f\u0440\u043e\u0441 }, }  func echo(w http.ResponseWriter, r *http.Request) { connection, _ := upgrader.Upgrade(w, r, nil) connection.Close() \/\/ \u0417\u0430\u043a\u0440\u044b\u0432\u0430\u0435\u043c \u0441\u043e\u0435\u0434\u0438\u043d\u0435\u043d\u0438\u0435 }<\/code><\/pre>\n<p>\u0422\u0435\u043f\u0435\u0440\u044c \u0443 \u043d\u0430\u0441 \u0435\u0441\u0442\u044c \u0441\u043e\u0435\u0434\u0438\u043d\u0435\u043d\u0438\u0435 \u0441 \u043a\u043b\u0438\u0435\u043d\u0442\u043e\u043c, \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u043c\u044b \u0441\u0440\u0430\u0437\u0443 \u0436\u0435 \u0437\u0430\u043a\u0440\u044b\u0432\u0430\u0435\u043c. \u041c\u044b \u043c\u043e\u0436\u0435\u043c \u0446\u0438\u043a\u043b\u0438\u0447\u043d\u043e \u0447\u0438\u0442\u0430\u0442\u044c \u0441\u043e\u043e\u0431\u0449\u0435\u043d\u0438\u044f, \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u043d\u0430\u043c \u0448\u043b\u0435\u0442 \u043a\u043b\u0438\u0435\u043d\u0442 \u0438 \u043e\u0442\u043f\u0440\u0430\u0432\u043b\u044f\u0442\u044c \u0438\u0445 \u043e\u0431\u0440\u0430\u0442\u043d\u043e:<\/p>\n<pre><code class=\"go\">func echo(w http.ResponseWriter, r *http.Request) { connection, _ := upgrader.Upgrade(w, r, nil)  for { _, message, _ := connection.ReadMessage()      connection.WriteMessage(websocket.TextMessage, message) go messageHandler(message) } }  func messageHandler(message []byte)  {   fmt.Println(string(message)) }<\/code><\/pre>\n<p>\u041d\u0430\u0443\u0447\u0438\u043c \u043d\u0430\u0448 \u0441\u0435\u0440\u0432\u0435\u0440 \u0437\u0430\u043a\u0440\u044b\u0432\u0430\u0442\u044c \u0441\u043e\u0435\u0434\u0438\u043d\u0435\u043d\u0438\u0435:<\/p>\n<pre><code class=\"go\">func echo(w http.ResponseWriter, r *http.Request) { connection, _ := upgrader.Upgrade(w, r, nil)  for { mt, message, err := connection.ReadMessage()  if err != nil || mt == websocket.CloseMessage { break \/\/ \u0412\u044b\u0445\u043e\u0434\u0438\u043c \u0438\u0437 \u0446\u0438\u043a\u043b\u0430, \u0435\u0441\u043b\u0438 \u043a\u043b\u0438\u0435\u043d\u0442 \u043f\u044b\u0442\u0430\u0435\u0442\u0441\u044f \u0437\u0430\u043a\u0440\u044b\u0442\u044c \u0441\u043e\u0435\u0434\u0438\u043d\u0435\u043d\u0438\u0435 \u0438\u043b\u0438 \u0441\u0432\u044f\u0437\u044c \u0441 \u043a\u043b\u0438\u0435\u043d\u0442\u043e\u043c \u043f\u0440\u0435\u0440\u0432\u0430\u043d\u0430 }  connection.WriteMessage(websocket.TextMessage, message)  go messageHandler(message) }  connection.Close() }<\/code><\/pre>\n<p>\u0427\u0442\u043e\u0431\u044b \u0438\u043c\u0435\u0442\u044c \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u044c \u0440\u0430\u0441\u0441\u044b\u043b\u0430\u0442\u044c \u0441\u043e\u043e\u0431\u0449\u0435\u043d\u0438\u044f \u043f\u043e \u0440\u0430\u0437\u043d\u044b\u043c \u0441\u043e\u0435\u0434\u0438\u043d\u0435\u043d\u0438\u044f\u043c, \u043d\u0430\u043c \u043d\u0443\u0436\u043d\u043e \u0433\u0434\u0435 \u0442\u043e \u0438\u0445 \u0445\u0440\u0430\u043d\u0438\u0442\u044c, \u0432 \u043d\u0430\u0448\u0435\u043c \u0441\u043b\u0443\u0447\u0430\u0435 \u043f\u043e\u0434\u043e\u0439\u0434\u0435\u0442 \u043f\u0440\u043e\u0441\u0442\u0435\u0439\u0448\u0438\u0439 map:<\/p>\n<pre><code class=\"go\">var clients map[*websocket.Conn]bool  func echo(w http.ResponseWriter, r *http.Request) { connection, _ := upgrader.Upgrade(w, r, nil)  clients[connection] = true \/\/ \u0421\u043e\u0445\u0440\u0430\u043d\u044f\u0435\u043c \u0441\u043e\u0435\u0434\u0438\u043d\u0435\u043d\u0438\u0435, \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u044f \u0435\u0433\u043e \u043a\u0430\u043a \u043a\u043b\u044e\u0447  for { mt, message, err := connection.ReadMessage()  if err != nil || mt == websocket.CloseMessage { break \/\/ \u0412\u044b\u0445\u043e\u0434\u0438\u043c \u0438\u0437 \u0446\u0438\u043a\u043b\u0430, \u0435\u0441\u043b\u0438 \u043a\u043b\u0438\u0435\u043d\u0442 \u043f\u044b\u0442\u0430\u0435\u0442\u0441\u044f \u0437\u0430\u043a\u0440\u044b\u0442\u044c \u0441\u043e\u0435\u0434\u0438\u043d\u0435\u043d\u0438\u0435 \u0438\u043b\u0438 \u0441\u0432\u044f\u0437\u044c \u043f\u0440\u0435\u0440\u0432\u0430\u043d\u0430 }  \/\/ \u0422\u0435\u043f\u0435\u0440\u044c \u043c\u044b \u0440\u0430\u0441\u0441\u044b\u043b\u0430\u0435\u043c \u0441\u043e\u043e\u0431\u0449\u0435\u043d\u0438\u044f \u0432\u0441\u0435\u043c \u043a\u043b\u0438\u0435\u043d\u0442\u0430\u043c go writeMessage(message)  go messageHandler(message) }  delete(clients, connection) \/\/ \u0423\u0434\u0430\u043b\u044f\u0435\u043c \u0441\u043e\u0435\u0434\u0438\u043d\u0435\u043d\u0438\u0435  connection.Close() }  func writeMessage(message []byte) { for conn := range clients { conn.WriteMessage(websocket.TextMessage, message) } }<\/code><\/pre>\n<p>\u0422\u0435\u043f\u0435\u0440\u044c \u043c\u044b \u043c\u043e\u0436\u0435\u043c \u0437\u0430\u043f\u0430\u043a\u043e\u0432\u0430\u0442\u044c \u043d\u0430\u0448 \u0441\u0435\u0440\u0432\u0435\u0440 \u0432 \u0441\u0442\u0440\u0443\u043a\u0442\u0443\u0440\u0443, \u0447\u0442\u043e\u0431\u044b \u0438\u043c\u0435\u0442\u044c \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u044c \u0440\u0430\u0441\u0441\u044b\u043b\u0430\u0442\u044c \u0438 \u043f\u0440\u0438\u043d\u0438\u043c\u0430\u0442\u044c \u0441\u043e\u043e\u0431\u0449\u0435\u043d\u0438\u044f \u0438\u0437 \u0432\u043d\u0435:<\/p>\n<pre><code class=\"go\">package ws  import ( \"github.com\/gorilla\/websocket\" \"net\/http\" )  var upgrader = websocket.Upgrader{ CheckOrigin: func(r *http.Request) bool { return true \/\/ \u041f\u0440\u043e\u043f\u0443\u0441\u043a\u0430\u0435\u043c \u043b\u044e\u0431\u043e\u0439 \u0437\u0430\u043f\u0440\u043e\u0441 }, }  type Server struct { clients       map[*websocket.Conn]bool handleMessage func(message []byte) \/\/ \u0445\u0430\u043d\u0434\u043b\u0435\u0440 \u043d\u043e\u0432\u044b\u0445 \u0441\u043e\u043e\u0431\u0449\u0435\u043d\u0438\u0439 }  func StartServer(handleMessage func(message []byte)) *Server { server := Server{ make(map[*websocket.Conn]bool), handleMessage, }  http.HandleFunc(\"\/\", server.echo) go http.ListenAndServe(\":8080\", nil) \/\/ \u0423\u0432\u043e\u0434\u0438\u043c http \u0441\u0435\u0440\u0432\u0435\u0440 \u0432 \u0433\u043e\u0440\u0443\u0442\u0438\u043d\u0443   return &amp;server }  func (server *Server) echo(w http.ResponseWriter, r *http.Request) { connection, _ := upgrader.Upgrade(w, r, nil)  server.clients[connection] = true \/\/ \u0421\u043e\u0445\u0440\u0430\u043d\u044f\u0435\u043c \u0441\u043e\u0435\u0434\u0438\u043d\u0435\u043d\u0438\u0435, \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u044f \u0435\u0433\u043e \u043a\u0430\u043a \u043a\u043b\u044e\u0447  for { mt, message, err := connection.ReadMessage()  if err != nil || mt == websocket.CloseMessage { break \/\/ \u0412\u044b\u0445\u043e\u0434\u0438\u043c \u0438\u0437 \u0446\u0438\u043a\u043b\u0430, \u0435\u0441\u043b\u0438 \u043a\u043b\u0438\u0435\u043d\u0442 \u043f\u044b\u0442\u0430\u0435\u0442\u0441\u044f \u0437\u0430\u043a\u0440\u044b\u0442\u044c \u0441\u043e\u0435\u0434\u0438\u043d\u0435\u043d\u0438\u0435 \u0438\u043b\u0438 \u0441\u0432\u044f\u0437\u044c \u043f\u0440\u0435\u0440\u0432\u0430\u043d\u0430 }  go server.handleMessage(message) }  delete(server.clients, connection) \/\/ \u0423\u0434\u0430\u043b\u044f\u0435\u043c \u0441\u043e\u0435\u0434\u0438\u043d\u0435\u043d\u0438\u0435  connection.Close() }  func (server *Server) WriteMessage(message []byte) { for conn := range server.clients { conn.WriteMessage(websocket.TextMessage, message) } }<\/code><\/pre>\n<pre><code class=\"go\">package main  import ( \"fmt\" \"simple-webcoket\/ws\" )  func main() { server := ws.StartServer(messageHandler)  for { server.WriteMessage([]byte(\"Hello\")) } }  func messageHandler(message []byte) { fmt.Println(string(message)) }<\/code><\/pre>\n<p>\u0422\u0435\u043f\u0435\u0440\u044c \u0443 \u043d\u0430\u0441 \u0435\u0441\u0442\u044c \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u044f \u043f\u0440\u043e\u0441\u0442\u0435\u0439\u0448\u0435\u0433\u043e webscoket \u0441\u0435\u0440\u0432\u0435\u0440\u0430, \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u0441\u043f\u043e\u0441\u043e\u0431\u0435\u043d \u043f\u0440\u0438\u043d\u0438\u043c\u0430\u0442\u044c \u0438 \u0440\u0430\u0441\u0441\u044b\u043b\u0430\u0442\u044c \u0441\u043e\u043e\u0431\u0449\u0435\u043d\u0438\u044f \u043f\u043e \u0430\u043a\u0442\u0438\u0432\u043d\u044b\u043c \u0441\u043e\u0435\u0434\u0438\u043d\u0435\u043d\u0438\u044f\u043c.<\/p>\n<\/div>\n<\/div>\n<p> <!----> <!----><br \/> \u0441\u0441\u044b\u043b\u043a\u0430 \u043d\u0430 \u043e\u0440\u0438\u0433\u0438\u043d\u0430\u043b \u0441\u0442\u0430\u0442\u044c\u0438 <a href=\"https:\/\/habr.com\/ru\/post\/599737\/\"> https:\/\/habr.com\/ru\/post\/599737\/<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<div><\/div>\n<div id=\"post-content-body\" class=\"article-formatted-body article-formatted-body_version-2\">\n<div xmlns=\"http:\/\/www.w3.org\/1999\/xhtml\">\n<p>\u0412 \u044d\u0442\u043e\u043c \u043d\u0435\u0431\u043e\u043b\u044c\u0448\u043e\u043c \u0442\u0443\u0442\u043e\u0440\u0438\u0430\u043b\u0435, \u043c\u044b \u0447\u0443\u0442\u044c \u043f\u043e\u0434\u0440\u043e\u0431\u043d\u0435\u0435 \u0440\u0430\u0437\u0431\u0435\u0440\u0435\u043c \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435 <a href=\"https:\/\/github.com\/gorilla\/websocket\" rel=\"noopener noreferrer nofollow\">Gorilla WebSocket<\/a> \u0434\u043b\u044f \u043d\u0430\u043f\u0438\u0441\u0430\u043d\u0438\u044f \u0441\u0432\u043e\u0435\u0433\u043e websocket \u0441\u0435\u0440\u0432\u0435\u0440\u0430, \u043d\u0430 \u043f\u0440\u0438\u043c\u0435\u0440\u0435 \u0447\u0443\u0442\u044c \u0431\u043e\u043b\u0435\u0435 \u0444\u0443\u043d\u043a\u0446\u0438\u043e\u043d\u0430\u043b\u044c\u043d\u043e\u043c, \u0447\u0435\u043c <a href=\"https:\/\/github.com\/gorilla\/websocket\/blob\/master\/examples\/echo\/server.go\" rel=\"noopener noreferrer nofollow\">\u0431\u0430\u0437\u043e\u0432\u044b\u0439 \u043f\u0440\u0438\u043c\u0435\u0440<\/a> \u0438 \u0431\u043e\u043b\u0435\u0435 \u043b\u0435\u0433\u043a\u043e\u043c \u0434\u043b\u044f \u043f\u043e\u043d\u0438\u043c\u0430\u043d\u0438\u044f, \u0447\u0435\u043c <a href=\"https:\/\/github.com\/gorilla\/websocket\/tree\/master\/examples\/chat\" rel=\"noopener noreferrer nofollow\">\u043f\u0440\u0438\u043c\u0435\u0440 \u0447\u0430\u0442\u0430<\/a>.<\/p>\n<p>\u0427\u0442\u043e \u0431\u0443\u0434\u0435\u0442 \u0443\u043c\u0435\u0442\u044c \u043d\u0430\u0448 \u0441\u0435\u0440\u0432\u0435\u0440?<\/p>\n<ol>\n<li>\n<p>\u041e\u0442\u043f\u0440\u0430\u0432\u043b\u044f\u0442\u044c \u043d\u043e\u0432\u044b\u0435 \u0441\u043e\u043e\u0431\u0449\u0435\u043d\u0438\u044f \u043e\u0442 \u043a\u043b\u0438\u0435\u043d\u0442\u043e\u0432 \u0432 callback<\/p>\n<\/li>\n<li>\n<p>\u0425\u0440\u0430\u043d\u0438\u0442\u044c \u0430\u043a\u0442\u0438\u0432\u043d\u044b\u0435 \u0441\u043e\u0435\u0434\u0438\u043d\u0435\u043d\u0438\u044f \u0438 \u0437\u0430\u043a\u0440\u044b\u0432\u0430\u0442\u044c\/\u0443\u0434\u0430\u043b\u044f\u0442\u044c \u043d\u0435 \u0430\u043a\u0442\u0438\u0432\u043d\u044b\u0435<\/p>\n<\/li>\n<li>\n<p>\u0420\u0430\u0441\u0441\u044b\u043b\u0430\u0442\u044c \u0441\u043e\u043e\u0431\u0449\u0435\u043d\u0438\u044f \u043f\u043e \u0430\u043a\u0442\u0438\u0432\u043d\u044b\u043c \u0441\u043e\u0435\u0434\u0438\u043d\u0435\u043d\u0438\u044f\u043c<\/p>\n<\/li>\n<\/ol>\n<p>\u0414\u043b\u044f \u043d\u0430\u0447\u0430\u043b\u0430 \u043f\u043e\u0434\u043d\u0438\u043c\u0435\u043c \u043e\u0431\u044b\u0447\u043d\u044b\u0439 http \u0441\u0435\u0440\u0432\u0435\u0440 \u043f\u0440\u0438 \u043f\u043e\u043c\u043e\u0449\u0438 <a href=\"https:\/\/pkg.go.dev\/net\/http\" rel=\"noopener noreferrer nofollow\">net\/http<\/a>, \u0434\u043b\u044f \u0442\u043e\u0433\u043e \u0447\u0442\u043e\u0431\u044b \u043c\u044b \u043c\u043e\u0433\u043b\u0438 \u043e\u0442\u043b\u0430\u0432\u043b\u0438\u0432\u0430\u0442\u044c \u0437\u0430\u043f\u0440\u043e\u0441\u044b \u043d\u0430 \u0441\u043e\u0435\u0434\u0438\u043d\u0435\u043d\u0438\u0435:<\/p>\n<pre><code class=\"go\">package main  import ( \"fmt\" \"html\" \"net\/http\" )  func main() { http.HandleFunc(\"\/\", echo) http.ListenAndServe(\":8080\", nil) }  func echo(w http.ResponseWriter, r *http.Request) { fmt.Fprintf(w, \"Hello, %q\", html.EscapeString(r.URL.Path)) }<\/code><\/pre>\n<p>\u0422\u0435\u043f\u0435\u0440\u044c \u043d\u0430\u0443\u0447\u0438\u043c \u0435\u0433\u043e &#171;\u0430\u043f\u0433\u0440\u0435\u0439\u0434\u0438\u0442\u044c&#187; \u0441\u043e\u0435\u0434\u0438\u043d\u0435\u043d\u0438\u0435:<\/p>\n<pre><code class=\"go\">import ( \"github.com\/gorilla\/websocket\" \"net\/http\" )  var upgrader = websocket.Upgrader{ CheckOrigin: func(r *http.Request) bool { return true \/\/ \u041f\u0440\u043e\u043f\u0443\u0441\u043a\u0430\u0435\u043c \u043b\u044e\u0431\u043e\u0439 \u0437\u0430\u043f\u0440\u043e\u0441 }, }  func echo(w http.ResponseWriter, r *http.Request) { connection, _ := upgrader.Upgrade(w, r, nil) connection.Close() \/\/ \u0417\u0430\u043a\u0440\u044b\u0432\u0430\u0435\u043c \u0441\u043e\u0435\u0434\u0438\u043d\u0435\u043d\u0438\u0435 }<\/code><\/pre>\n<p>\u0422\u0435\u043f\u0435\u0440\u044c \u0443 \u043d\u0430\u0441 \u0435\u0441\u0442\u044c \u0441\u043e\u0435\u0434\u0438\u043d\u0435\u043d\u0438\u0435 \u0441 \u043a\u043b\u0438\u0435\u043d\u0442\u043e\u043c, \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u043c\u044b \u0441\u0440\u0430\u0437\u0443 \u0436\u0435 \u0437\u0430\u043a\u0440\u044b\u0432\u0430\u0435\u043c. \u041c\u044b \u043c\u043e\u0436\u0435\u043c \u0446\u0438\u043a\u043b\u0438\u0447\u043d\u043e \u0447\u0438\u0442\u0430\u0442\u044c \u0441\u043e\u043e\u0431\u0449\u0435\u043d\u0438\u044f, \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u043d\u0430\u043c \u0448\u043b\u0435\u0442 \u043a\u043b\u0438\u0435\u043d\u0442 \u0438 \u043e\u0442\u043f\u0440\u0430\u0432\u043b\u044f\u0442\u044c \u0438\u0445 \u043e\u0431\u0440\u0430\u0442\u043d\u043e:<\/p>\n<pre><code class=\"go\">func echo(w http.ResponseWriter, r *http.Request) { connection, _ := upgrader.Upgrade(w, r, nil)  for { _, message, _ := connection.ReadMessage()      connection.WriteMessage(websocket.TextMessage, message) go messageHandler(message) } }  func messageHandler(message []byte)  {   fmt.Println(string(message)) }<\/code><\/pre>\n<p>\u041d\u0430\u0443\u0447\u0438\u043c \u043d\u0430\u0448 \u0441\u0435\u0440\u0432\u0435\u0440 \u0437\u0430\u043a\u0440\u044b\u0432\u0430\u0442\u044c \u0441\u043e\u0435\u0434\u0438\u043d\u0435\u043d\u0438\u0435:<\/p>\n<pre><code class=\"go\">func echo(w http.ResponseWriter, r *http.Request) { connection, _ := upgrader.Upgrade(w, r, nil)  for { mt, message, err := connection.ReadMessage()  if err != nil || mt == websocket.CloseMessage { break \/\/ \u0412\u044b\u0445\u043e\u0434\u0438\u043c \u0438\u0437 \u0446\u0438\u043a\u043b\u0430, \u0435\u0441\u043b\u0438 \u043a\u043b\u0438\u0435\u043d\u0442 \u043f\u044b\u0442\u0430\u0435\u0442\u0441\u044f \u0437\u0430\u043a\u0440\u044b\u0442\u044c \u0441\u043e\u0435\u0434\u0438\u043d\u0435\u043d\u0438\u0435 \u0438\u043b\u0438 \u0441\u0432\u044f\u0437\u044c \u0441 \u043a\u043b\u0438\u0435\u043d\u0442\u043e\u043c \u043f\u0440\u0435\u0440\u0432\u0430\u043d\u0430 }  connection.WriteMessage(websocket.TextMessage, message)  go messageHandler(message) }  connection.Close() }<\/code><\/pre>\n<p>\u0427\u0442\u043e\u0431\u044b \u0438\u043c\u0435\u0442\u044c \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u044c \u0440\u0430\u0441\u0441\u044b\u043b\u0430\u0442\u044c \u0441\u043e\u043e\u0431\u0449\u0435\u043d\u0438\u044f \u043f\u043e \u0440\u0430\u0437\u043d\u044b\u043c \u0441\u043e\u0435\u0434\u0438\u043d\u0435\u043d\u0438\u044f\u043c, \u043d\u0430\u043c \u043d\u0443\u0436\u043d\u043e \u0433\u0434\u0435 \u0442\u043e \u0438\u0445 \u0445\u0440\u0430\u043d\u0438\u0442\u044c, \u0432 \u043d\u0430\u0448\u0435\u043c \u0441\u043b\u0443\u0447\u0430\u0435 \u043f\u043e\u0434\u043e\u0439\u0434\u0435\u0442 \u043f\u0440\u043e\u0441\u0442\u0435\u0439\u0448\u0438\u0439 map:<\/p>\n<pre><code class=\"go\">var clients map[*websocket.Conn]bool  func echo(w http.ResponseWriter, r *http.Request) { connection, _ := upgrader.Upgrade(w, r, nil)  clients[connection] = true \/\/ \u0421\u043e\u0445\u0440\u0430\u043d\u044f\u0435\u043c \u0441\u043e\u0435\u0434\u0438\u043d\u0435\u043d\u0438\u0435, \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u044f \u0435\u0433\u043e \u043a\u0430\u043a \u043a\u043b\u044e\u0447  for { mt, message, err := connection.ReadMessage()  if err != nil || mt == websocket.CloseMessage { break \/\/ \u0412\u044b\u0445\u043e\u0434\u0438\u043c \u0438\u0437 \u0446\u0438\u043a\u043b\u0430, \u0435\u0441\u043b\u0438 \u043a\u043b\u0438\u0435\u043d\u0442 \u043f\u044b\u0442\u0430\u0435\u0442\u0441\u044f \u0437\u0430\u043a\u0440\u044b\u0442\u044c \u0441\u043e\u0435\u0434\u0438\u043d\u0435\u043d\u0438\u0435 \u0438\u043b\u0438 \u0441\u0432\u044f\u0437\u044c \u043f\u0440\u0435\u0440\u0432\u0430\u043d\u0430 }  \/\/ \u0422\u0435\u043f\u0435\u0440\u044c \u043c\u044b \u0440\u0430\u0441\u0441\u044b\u043b\u0430\u0435\u043c \u0441\u043e\u043e\u0431\u0449\u0435\u043d\u0438\u044f \u0432\u0441\u0435\u043c \u043a\u043b\u0438\u0435\u043d\u0442\u0430\u043c go writeMessage(message)  go messageHandler(message) }  delete(clients, connection) \/\/ \u0423\u0434\u0430\u043b\u044f\u0435\u043c \u0441\u043e\u0435\u0434\u0438\u043d\u0435\u043d\u0438\u0435  connection.Close() }  func writeMessage(message []byte) { for conn := range clients { conn.WriteMessage(websocket.TextMessage, message) } }<\/code><\/pre>\n<p>\u0422\u0435\u043f\u0435\u0440\u044c \u043c\u044b \u043c\u043e\u0436\u0435\u043c \u0437\u0430\u043f\u0430\u043a\u043e\u0432\u0430\u0442\u044c \u043d\u0430\u0448 \u0441\u0435\u0440\u0432\u0435\u0440 \u0432 \u0441\u0442\u0440\u0443\u043a\u0442\u0443\u0440\u0443, \u0447\u0442\u043e\u0431\u044b \u0438\u043c\u0435\u0442\u044c \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u044c \u0440\u0430\u0441\u0441\u044b\u043b\u0430\u0442\u044c \u0438 \u043f\u0440\u0438\u043d\u0438\u043c\u0430\u0442\u044c \u0441\u043e\u043e\u0431\u0449\u0435\u043d\u0438\u044f \u0438\u0437 \u0432\u043d\u0435:<\/p>\n<pre><code class=\"go\">package ws  import ( \"github.com\/gorilla\/websocket\" \"net\/http\" )  var upgrader = websocket.Upgrader{ CheckOrigin: func(r *http.Request) bool { return true \/\/ \u041f\u0440\u043e\u043f\u0443\u0441\u043a\u0430\u0435\u043c \u043b\u044e\u0431\u043e\u0439 \u0437\u0430\u043f\u0440\u043e\u0441 }, }  type Server struct { clients       map[*websocket.Conn]bool handleMessage func(message []byte) \/\/ \u0445\u0430\u043d\u0434\u043b\u0435\u0440 \u043d\u043e\u0432\u044b\u0445 \u0441\u043e\u043e\u0431\u0449\u0435\u043d\u0438\u0439 }  func StartServer(handleMessage func(message []byte)) *Server { server := Server{ make(map[*websocket.Conn]bool), handleMessage, }  http.HandleFunc(\"\/\", server.echo) go http.ListenAndServe(\":8080\", nil) \/\/ \u0423\u0432\u043e\u0434\u0438\u043c http \u0441\u0435\u0440\u0432\u0435\u0440 \u0432 \u0433\u043e\u0440\u0443\u0442\u0438\u043d\u0443   return &amp;server }  func (server *Server) echo(w http.ResponseWriter, r *http.Request) { connection, _ := upgrader.Upgrade(w, r, nil)  server.clients[connection] = true \/\/ \u0421\u043e\u0445\u0440\u0430\u043d\u044f\u0435\u043c \u0441\u043e\u0435\u0434\u0438\u043d\u0435\u043d\u0438\u0435, \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u044f \u0435\u0433\u043e \u043a\u0430\u043a \u043a\u043b\u044e\u0447  for { mt, message, err := connection.ReadMessage()  if err != nil || mt == websocket.CloseMessage { break \/\/ \u0412\u044b\u0445\u043e\u0434\u0438\u043c \u0438\u0437 \u0446\u0438\u043a\u043b\u0430, \u0435\u0441\u043b\u0438 \u043a\u043b\u0438\u0435\u043d\u0442 \u043f\u044b\u0442\u0430\u0435\u0442\u0441\u044f \u0437\u0430\u043a\u0440\u044b\u0442\u044c \u0441\u043e\u0435\u0434\u0438\u043d\u0435\u043d\u0438\u0435 \u0438\u043b\u0438 \u0441\u0432\u044f\u0437\u044c \u043f\u0440\u0435\u0440\u0432\u0430\u043d\u0430 }  go server.handleMessage(message) }  delete(server.clients, connection) \/\/ \u0423\u0434\u0430\u043b\u044f\u0435\u043c \u0441\u043e\u0435\u0434\u0438\u043d\u0435\u043d\u0438\u0435  connection.Close() }  func (server *Server) WriteMessage(message []byte) { for conn := range server.clients { conn.WriteMessage(websocket.TextMessage, message) } }<\/code><\/pre>\n<pre><code class=\"go\">package main  import ( \"fmt\" \"simple-webcoket\/ws\" )  func main() { server := ws.StartServer(messageHandler)  for { server.WriteMessage([]byte(\"Hello\")) } }  func messageHandler(message []byte) { fmt.Println(string(message)) }<\/code><\/pre>\n<p>\u0422\u0435\u043f\u0435\u0440\u044c \u0443 \u043d\u0430\u0441 \u0435\u0441\u0442\u044c \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u044f \u043f\u0440\u043e\u0441\u0442\u0435\u0439\u0448\u0435\u0433\u043e webscoket \u0441\u0435\u0440\u0432\u0435\u0440\u0430, \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u0441\u043f\u043e\u0441\u043e\u0431\u0435\u043d \u043f\u0440\u0438\u043d\u0438\u043c\u0430\u0442\u044c \u0438 \u0440\u0430\u0441\u0441\u044b\u043b\u0430\u0442\u044c \u0441\u043e\u043e\u0431\u0449\u0435\u043d\u0438\u044f \u043f\u043e \u0430\u043a\u0442\u0438\u0432\u043d\u044b\u043c \u0441\u043e\u0435\u0434\u0438\u043d\u0435\u043d\u0438\u044f\u043c.<\/p>\n<\/div>\n<\/div>\n<p> <!----> <!----><br \/> \u0441\u0441\u044b\u043b\u043a\u0430 \u043d\u0430 \u043e\u0440\u0438\u0433\u0438\u043d\u0430\u043b \u0441\u0442\u0430\u0442\u044c\u0438 <a href=\"https:\/\/habr.com\/ru\/post\/599737\/\"> https:\/\/habr.com\/ru\/post\/599737\/<\/a><br \/><\/br><\/br><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[],"tags":[],"class_list":["post-326824","post","type-post","status-publish","format-standard","hentry"],"_links":{"self":[{"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=\/wp\/v2\/posts\/326824","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=326824"}],"version-history":[{"count":0,"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=\/wp\/v2\/posts\/326824\/revisions"}],"wp:attachment":[{"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=326824"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=326824"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=326824"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}