addon/web.go init

addon-dailer
lqqyt2423 4 years ago
parent 7c0033654f
commit d8736ee98a

@ -0,0 +1,145 @@
package addon
import (
"net/http"
"text/template"
"github.com/gorilla/websocket"
"github.com/sirupsen/logrus"
)
func (web *WebAddon) echo(w http.ResponseWriter, r *http.Request) {
c, err := web.upgrader.Upgrade(w, r, nil)
if err != nil {
web.log.Print("upgrade:", err)
return
}
defer c.Close()
for {
mt, message, err := c.ReadMessage()
if err != nil {
web.log.Println("read:", err)
break
}
web.log.Printf("recv: %s", message)
err = c.WriteMessage(mt, message)
if err != nil {
web.log.Println("write:", err)
break
}
}
}
func home(w http.ResponseWriter, r *http.Request) {
homeTemplate.Execute(w, "ws://"+r.Host+"/echo")
}
type WebAddon struct {
Base
addr string
upgrader *websocket.Upgrader
serverMux *http.ServeMux
server *http.Server
log *logrus.Entry
}
func NewWebAddon() *WebAddon {
web := new(WebAddon)
web.addr = ":9081"
web.upgrader = &websocket.Upgrader{}
web.serverMux = new(http.ServeMux)
web.serverMux.HandleFunc("/echo", web.echo)
web.serverMux.HandleFunc("/", home)
web.server = &http.Server{Addr: web.addr, Handler: web.serverMux}
web.log = log.WithField("in", "WebAddon")
go func() {
web.log.Infof("server start listen at %v\n", web.addr)
err := web.server.ListenAndServe()
web.log.Error(err)
}()
return web
}
var homeTemplate = template.Must(template.New("").Parse(`
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<script>
window.addEventListener("load", function(evt) {
var output = document.getElementById("output");
var input = document.getElementById("input");
var ws;
var print = function(message) {
var d = document.createElement("div");
d.textContent = message;
output.appendChild(d);
};
document.getElementById("open").onclick = function(evt) {
if (ws) {
return false;
}
ws = new WebSocket("{{.}}");
ws.onopen = function(evt) {
print("OPEN");
}
ws.onclose = function(evt) {
print("CLOSE");
ws = null;
}
ws.onmessage = function(evt) {
print("RESPONSE: " + evt.data);
}
ws.onerror = function(evt) {
print("ERROR: " + evt.data);
}
return false;
};
document.getElementById("send").onclick = function(evt) {
if (!ws) {
return false;
}
print("SEND: " + input.value);
ws.send(input.value);
return false;
};
document.getElementById("close").onclick = function(evt) {
if (!ws) {
return false;
}
ws.close();
return false;
};
});
</script>
</head>
<body>
<table>
<tr><td valign="top" width="50%">
<p>Click "Open" to create a connection to the server,
"Send" to send a message to the server and "Close" to close the connection.
You can change the message and send multiple times.
<p>
<form>
<button id="open">Open</button>
<button id="close">Close</button>
<p><input id="input" type="text" value="Hello world!">
<button id="send">Send</button>
</form>
</td><td valign="top" width="50%">
<div id="output"></div>
</td></tr></table>
</body>
</html>
`))

@ -5,6 +5,7 @@ go 1.15
require ( require (
github.com/andybalholm/brotli v1.0.1 github.com/andybalholm/brotli v1.0.1
github.com/golang/groupcache v0.0.0-20200121045136-8c9f03a8e57e github.com/golang/groupcache v0.0.0-20200121045136-8c9f03a8e57e
github.com/gorilla/websocket v1.4.2
github.com/jordwest/mock-conn v0.0.0-20180617021051-4896c6bd1641 github.com/jordwest/mock-conn v0.0.0-20180617021051-4896c6bd1641
github.com/sirupsen/logrus v1.7.0 github.com/sirupsen/logrus v1.7.0
) )

@ -4,6 +4,8 @@ github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c
github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
github.com/golang/groupcache v0.0.0-20200121045136-8c9f03a8e57e h1:1r7pUrabqp18hOBcwBwiTsbnFeTZHV9eER/QT5JVZxY= github.com/golang/groupcache v0.0.0-20200121045136-8c9f03a8e57e h1:1r7pUrabqp18hOBcwBwiTsbnFeTZHV9eER/QT5JVZxY=
github.com/golang/groupcache v0.0.0-20200121045136-8c9f03a8e57e/go.mod h1:cIg4eruTrX1D+g88fzRXU5OdNfaM+9IcxsU14FzY7Hc= github.com/golang/groupcache v0.0.0-20200121045136-8c9f03a8e57e/go.mod h1:cIg4eruTrX1D+g88fzRXU5OdNfaM+9IcxsU14FzY7Hc=
github.com/gorilla/websocket v1.4.2 h1:+/TMaTYc4QFitKJxsQ7Yye35DkWvkdLcvGKqM+x0Ufc=
github.com/gorilla/websocket v1.4.2/go.mod h1:YR8l580nyteQvAITg2hZ9XVh4b55+EU/adAjf1fMHhE=
github.com/jordwest/mock-conn v0.0.0-20180617021051-4896c6bd1641 h1:ChkB2s4mFDekyUUmbNE7qNhennP0rfqF2YZUOGxbhFk= github.com/jordwest/mock-conn v0.0.0-20180617021051-4896c6bd1641 h1:ChkB2s4mFDekyUUmbNE7qNhennP0rfqF2YZUOGxbhFk=
github.com/jordwest/mock-conn v0.0.0-20180617021051-4896c6bd1641/go.mod h1:AJFEOPtj5Z5z3MAy+0uvjQAH02iRnQr6fnvuHYp/Jek= github.com/jordwest/mock-conn v0.0.0-20180617021051-4896c6bd1641/go.mod h1:AJFEOPtj5Z5z3MAy+0uvjQAH02iRnQr6fnvuHYp/Jek=
github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM= github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=

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