init
This commit is contained in:
parent
b246ef706c
commit
2131f370ee
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gontrol
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bin/
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module gontrol
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go 1.23.4
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require (
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github.com/go-sql-driver/mysql v1.8.1
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github.com/gorilla/websocket v1.5.3
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)
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require filippo.io/edwards25519 v1.1.0 // indirect
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filippo.io/edwards25519 v1.1.0 h1:FNf4tywRC1HmFuKW5xopWpigGjJKiJSV0Cqo0cJWDaA=
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filippo.io/edwards25519 v1.1.0/go.mod h1:BxyFTGdWcka3PhytdK4V28tE5sGfRvvvRV7EaN4VDT4=
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github.com/go-sql-driver/mysql v1.8.1 h1:LedoTUt/eveggdHS9qUFC1EFSa8bU2+1pZjSRpvNJ1Y=
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github.com/go-sql-driver/mysql v1.8.1/go.mod h1:wEBSXgmK//2ZFJyE+qWnIsVGmvmEKlqwuVSjsCm7DZg=
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github.com/gorilla/websocket v1.5.3 h1:saDtZ6Pbx/0u+bgYQ3q96pZgCzfhKXGPqt7kZ72aNNg=
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github.com/gorilla/websocket v1.5.3/go.mod h1:YR8l580nyteQvAITg2hZ9XVh4b55+EU/adAjf1fMHhE=
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/* create database 'gomatic'; */
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drop table if exists agents;
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create table agents (
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agentId int,
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agentName varchar(255),
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initialContact timestamp,
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lastContact timestamp
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);
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insert into agents values ( 99, "testAgent", NOW(), NOW());
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package main
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import (
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"context"
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"os"
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"strings"
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"time"
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// "errors"
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"fmt"
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"io"
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"io/ioutil"
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// "net"
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"database/sql"
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"html/template"
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"log"
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"net/http"
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"sync"
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"syscall"
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"os/signal"
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_ "github.com/go-sql-driver/mysql"
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"github.com/gorilla/websocket"
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)
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var tmpl *template.Template
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var db *sql.DB
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const (
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keyServerAddr = "serverAddr"
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dbHost = "172.17.0.2"
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dbUser = "root"
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dbPort = 3306
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dbPassword = "root"
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dbName = "gomatic"
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)
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type Agent struct {
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agentId int
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agentName string
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initialContact string
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lastContact string
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}
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func init() {
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tmpl, _ = template.ParseGlob("templates/*.html")
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}
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func initDB () {
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var err error
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dbOpen := fmt.Sprintf("%s:%s@(%s:%d)/%s?parseTime=true", dbUser,dbPassword, dbHost, dbPort, dbName)
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db, err = sql.Open("mysql", dbOpen)
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if err != nil {
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log.Fatal(err)
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}
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if err = db.Ping(); err != nil {
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log.Fatal(err)
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}
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log.Println("Connected to database")
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}
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func fetchAgents(w http.ResponseWriter, r *http.Request) {
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agents, _ := getAgents(db)
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log.Printf("%s",agents)
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tmpl.ExecuteTemplate(w, "agentList", agents)
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}
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func getAgents(dbPointer *sql.DB) ([]Agent, error) {
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query := "Select agentId, agentName, initialContact, lastContact from agents"
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rows, err := dbPointer.Query(query)
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if err != nil {
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return nil, err
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}
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defer rows.Close()
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var agents []Agent
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for rows.Next() {
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var agent Agent
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rowErr := rows.Scan(&agent.agentId, &agent.agentName, &agent.initialContact, &agent.lastContact)
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if rowErr != nil {
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return nil, err
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}
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agents = append(agents, agent)
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}
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if err = rows.Err(); err != nil {
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return nil, err
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}
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return agents, nil
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// return agents, rows.Err()
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}
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func getRoot(w http.ResponseWriter, r *http.Request) {
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ctx := r.Context()
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hasFirst := r.URL.Query().Has("first")
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first := r.URL.Query().Get("first")
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hasSecond := r.URL.Query().Has("second")
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second := r.URL.Query().Get("second")
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body, err := ioutil.ReadAll(r.Body)
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if err != nil {
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fmt.Printf("Could not read body: %s\n", err)
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}
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fmt.Printf("%s: got / request. first(%t)=%s, second(%t)=%s body:\n%s\n",
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ctx.Value(keyServerAddr),
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hasFirst, first,
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hasSecond, second,
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body,
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)
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// fmt.Printf("%s: got / request\n", ctx.Value(keyServerAddr))
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io.WriteString(w, "This is my website!\n")
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}
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func getHello(w http.ResponseWriter, r *http.Request) {
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ctx := r.Context()
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fmt.Printf("%s: go /hello request\n", ctx.Value(keyServerAddr))
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myName := r.PostFormValue("myName")
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if myName == "" {
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w.Header().Set("x-missing-field", "myName")
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w.WriteHeader(http.StatusBadRequest)
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return
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}
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io.WriteString(w, fmt.Sprintf("Hello, %s!\n", myName))
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}
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func getHomepage(w http.ResponseWriter, r *http.Request) {
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tmpl.ExecuteTemplate(w, "index.html", nil)
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}
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func agentHandler(w http.ResponseWriter, r *http.Request) {
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parts := strings.Split(strings.TrimPrefix(r.URL.Path, "/agents/"), "/")
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if len (parts) < 1 || parts[0] == "" {
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http.Error(w, "Agent ID required", http.StatusBadRequest)
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return
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}
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agentId := parts[0]
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switch r.Method {
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case http.MethodGet:
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getAgent(w, r, agentId)
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// case http.MethodPost:
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// createAgent(w, r, agentId)
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// case http.MethodPut:
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// updateAgent(w, r, agentId)
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// case http.MethodDelete:
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// deleteAgent(w, r, agentId)
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default:
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http.Error(w, "Method not allowed", http.StatusMethodNotAllowed)
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}
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}
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type webSocketHandler struct {
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upgrader websocket.Upgrader
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}
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func getAgent(w http.ResponseWriter, r *http.Request, agentId string) {
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query := "Select agentId, agentName, initialContact, lastContact from agents where agentId = ?"
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var agent Agent
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err := db.QueryRow(query, agentId).Scan(&agentId, &agent.agentName, &agent.initialContact, &agent.lastContact)
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if err == sql.ErrNoRows {
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http.Error(w, "Agent not found", http.StatusNotFound)
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return
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} else if err != nil {
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http.Error(w, "Failed to fetch agent", http.StatusInternalServerError)
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return
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}
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// return agent, nil
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}
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func (wsh webSocketHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
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c, err := wsh.upgrader.Upgrade(w, r, nil)
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if err != nil {
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log.Printf("Error %s when upgrading connection to websocket", err)
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return
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}
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defer c.Close()
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for {
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mt, message, err := c.ReadMessage()
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if err != nil {
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log.Printf("Error reading: message: %s", err)
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}
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log.Printf("Received message: %s", message)
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if err = c.WriteMessage(mt, message); err !=nil {
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log.Printf("Error writing the message: %s", err)
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break
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}
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}
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}
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func main() {
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ctx, cancel := context.WithCancel(context.Background())
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defer cancel()
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var wg sync.WaitGroup
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webSocketHandler := webSocketHandler {
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upgrader: websocket.Upgrader{},
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}
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webSocketMux := http.NewServeMux()
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webSocketMux.Handle("/data", webSocketHandler)
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websocketServer := &http.Server{
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Addr: ":5555",
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Handler: webSocketMux,
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}
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webMux := http.NewServeMux()
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webMux.HandleFunc("/", getHomepage)
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webMux.HandleFunc("/index", getRoot)
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webMux.HandleFunc("/hello", getHello)
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webMux.HandleFunc("/agents", fetchAgents)
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// webMux.HandleFunc("/newagentform", getAgentForm)
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// webMux.HandleFunc("/getagentupdateform/{agentId}", getAgentUpdateForm)
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webMux.HandleFunc("/agents/{agentId}", agentHandler)
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// webMux.HandleFunc
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initDB()
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defer db.Close()
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webServer := &http.Server {
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Addr: ":3333",
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Handler: webMux,
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// BaseContext: func(l net.Listener) context.Context {
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// ctx = context.WithValue(ctx, keyServerAddr, l.Addr().String())
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// return ctx
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// },
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}
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wg.Add(1)
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go func() {
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defer wg.Done()
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log.Println("Websocket server is running on port 5555")
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if err := websocketServer.ListenAndServe(); err != http.ErrServerClosed {
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log.Fatalf("Websocket server failed: %s", err)
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}
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}()
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wg.Add(1)
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go func() {
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defer wg.Done()
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log.Println("Web server is running on port 3333")
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if err := webServer.ListenAndServe(); err != http.ErrServerClosed {
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log.Fatalf("Web server failed: %s", err)
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}
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}()
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shutdownCh := make(chan os.Signal, 1)
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signal.Notify(shutdownCh, os.Interrupt, syscall.SIGTERM)
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<-shutdownCh
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log.Println("Shutdown signal received")
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shutdownCtx, shutdownCancel := context.WithTimeout(ctx, 10*time.Second)
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defer shutdownCancel()
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if err := websocketServer.Shutdown(shutdownCtx); err != nil {
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log.Printf("error shutting down websocket server: %s", err)
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}
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if err := webServer.Shutdown(shutdownCtx); err != nil {
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log.Printf("Error shutting down web server: %s", err)
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}
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wg.Wait()
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log.Println("All servers stopped")
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}
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#!/usr/bin/env bash
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#
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go mod edit -module "${2}"
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find . -type f -name '*.go' -exec sed -i -e "s,\"${1}/,\"${2}/,g" {} \;
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find . -type f -name '*.go' -exec sed -i -e "s,\"${1}\",\"${2}\",g" {} \;
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<html>
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<head>
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<title>Static Website</title>
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</head>
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<body>
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<h2>Static Website</h2>
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</body>
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</html>
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{{define "agentList"}}
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<ul>
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{{range .}}
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<li>
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<span {{if .Done}} style="text-decoration:line-through" {{end}}>{{.Agents}}</span>
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<!-- [<a href="#" hx-get="/gettaskupdateform/{{.Id}}" hx-target="#addTaskForm" hx-swap="innerHTML">Edit</a>] | -->
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<a href="#" hx-delete="/agents/{{.agentId}}"
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hx-confirm="Are you sure you want to Delete this Task?"
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hx-target="#agentList">[Delete]</a>
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</li>
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{{end}}
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</ul>
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{{end}}
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@ -0,0 +1,43 @@
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<meta http-equiv="X-UA-Compatible" content="IE=edge">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.3/dist/css/bootstrap.min.css" rel="stylesheet" integrity="sha384-QWTKZyjpPEjISv5WaRU9OFeRpok6YctnYmDr5pNlyT2bRjXh0JMhjY6hW+ALEwIH" crossorigin="anonymous">
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<script src="https://unpkg.com/htmx.org@1.9.12"></script>
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<title>To Do App</title>
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</head>
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<body>
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<div class="row">
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<div class="col">
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<h2>Tasks</h2>
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<div>
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<a href="#" hx-get="/newtaskform" hx-target="#addTaskForm">Add New Item</a>
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</div>
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<div id="taskList" hx-get="/tasks" hx-trigger="load" hx-swap="innerHTML">
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</div>
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</div>
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<!-- <div class="col">
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</div> -->
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<div class="col">
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<h2>Add New Task</h2>
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<div id="addTaskForm">
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hello
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{{template "addTaskForm"}}
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</div>
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</div>
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</div>
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</body>
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</html>
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@ -0,0 +1,44 @@
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<!-- <meta charset="UTF-8"> -->
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<!-- <meta http-equiv="X-UA-Compatible" content="IE=edge"> -->
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<!-- <meta name="viewport" content="width=device-width, initial-scale=1.0"> -->
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<!-- <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.3/dist/css/bootstrap.min.css" rel="stylesheet" integrity="sha384-QWTKZyjpPEjISv5WaRU9OFeRpok6YctnYmDr5pNlyT2bRjXh0JMhjY6hW+ALEwIH" crossorigin="anonymous"> -->
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<!-- <script src="https://unpkg.com/htmx.org@1.9.12"></script> -->
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<title>Gomatic Agents</title>
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</head>
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<body>
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Test
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<!-- <div class="row"> -->
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<!-- <div class="col"> -->
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<h2>Tasks</h2>
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<!-- <div> -->
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<!-- <a href="#" hx-get="/newtaskform" hx-target="#addTaskForm">Add New Item</a> -->
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<!-- </div> -->
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<!-- <div id="agentList" hx-get="/agents" hx-trigger="load" hx-swap="innerHTML"> -->
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<!-- </div> -->
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<!-- </div> -->
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<!-- <div class="col">
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</div> -->
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<!-- <div class="col"> -->
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<!-- <h2>Add New Task</h2> -->
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<!-- <div id="addTaskForm"> -->
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<!-- hello -->
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<!-- {{template "addTaskForm"}} -->
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<!-- </div> -->
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<!-- </div> -->
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<!-- </div> -->
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</body>
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</html>
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@ -0,0 +1,27 @@
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<meta http-equiv="X-UA-Compatible" content="IE=edge">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.3/dist/css/bootstrap.min.css" rel="stylesheet" integrity="sha384-QWTKZyjpPEjISv5WaRU9OFeRpok6YctnYmDr5pNlyT2bRjXh0JMhjY6hW+ALEwIH" crossorigin="anonymous">
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<script src="https://unpkg.com/htmx.org@1.9.12"></script>
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<title>To Do App</title>
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</head>
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<body>
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<div class="row">
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<div class="col">
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<h2>Tasks</h2>
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<div id="agentList" hx-get="/agents" hx-trigger="load" hx-swap="innerHTML">
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</div>
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</div>
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|
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</body>
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</html>
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