src/webconnector.go

   1 // im a web connector
   2
   3 package main
   4
   5
   6 import (
   7         "http";
   8         "io";
   9         //"./dbibridge";
  10         "./benchcontroller";
  11         "fmt";
  12 )
  13
  14 var comin chan string;
  15 var comout chan string;
  16
  17 // hello world, the web server
  18 func ServerResponder(c *http.Conn, req *http.Request) {
  19         //comout <- 2;
  20         //comout <- 3;
  21         //comout <- 1;
  22         fmt.Printf("lk: %s %s %s\n", req.Method, req.RawURL, req.URL);
  23         if req.RawURL == "/" {
  24                 mainPage(c, req);
  25         }
  26
  27         if req.RawURL == "/confirm" {
  28                 confirmPage(c, req);
  29         }
  30
  31         if req.RawURL == "/begin" {
  32                 beginPage(c, req);
  33         }
  34
  35         //k := <- comin;
  36         //fmt.Printf("%d\n", k);
  37 }
  38
  39 func beginPage(c *http.Conn, req *http.Request)
  40 {
  41
  42         if req.Method != "GET" {
  43                 http.Redirect(c, "/begin", 301);
  44         } else {
  45                 header(c);
  46                 io.WriteString(c, "<h1>Starting hammer</h1>");
  47                 //dbhost := req.FormValue("dbhost");
  48                 //dbuser := req.FormValue("dbuser");
  49                 //dbpass := req.FormValue("dbpass");
  50                 //dbname := req.FormValue("dbname");
  51                 //nthreads := req.FormValue("nthreads");
  52                 //dbmult := req.FormValue("dbmult");
  53
  54                 footer(c);
  55         }
  56
  57 }
  58
  59 func confirmPage(c *http.Conn, req *http.Request)
  60 {
  61         header(c);
  62         io.WriteString(c, "<h1>Confirm</h1>");
  63         dbhost := req.FormValue("dbhost");
  64         dbuser := req.FormValue("dbuser");
  65         dbpass := req.FormValue("dbpass");
  66         dbname := req.FormValue("dbname");
  67         nthreads := req.FormValue("nthreads");
  68         dbmult := req.FormValue("dbmult");
  69         var dbtype string;
  70
  71         io.WriteString(c, "You are trying to perform a benchmark with the following values:<br>");
  72         io.WriteString(c, "<table border=\"1\">");
  73         io.WriteString(c, fmt.Sprintf("<tr><td>Host</td><td>%s</td></tr>", dbhost));
  74         io.WriteString(c, fmt.Sprintf("<tr><td>User</td><td>%s</td></tr>", dbuser));
  75         io.WriteString(c, fmt.Sprintf("<tr><td>Password</td><td>%s</td></tr>", dbpass));
  76         io.WriteString(c, fmt.Sprintf("<tr><td>Database</td><td>%s</td></tr>", dbname));
  77         io.WriteString(c, fmt.Sprintf("<tr><td>Data Multiplier</td><td>%s</td></tr>", dbmult));
  78         io.WriteString(c, fmt.Sprintf("<tr><td>Number of Threads</td><td>%s</td></tr>", nthreads));
  79         io.WriteString(c, "</table>");
  80         io.WriteString(c, "<form method=\"post\" action=\"/begin\">");
  81         io.WriteString(c, fmt.Sprintf("<input type=\"hidden\" name=\"dbhost\" value=\"%s\">",dbhost));
  82         io.WriteString(c, fmt.Sprintf("<input type=\"hidden\" name=\"dbuser\" value=\"%s\">",dbuser));
  83         io.WriteString(c, fmt.Sprintf("<input type=\"hidden\" name=\"dbpass\" value=\"%s\">",dbpass));
  84         io.WriteString(c, fmt.Sprintf("<input type=\"hidden\" name=\"dbname\" value=\"%s\">",dbname));
  85         io.WriteString(c, fmt.Sprintf("<input type=\"hidden\" name=\"nthreads\" value=\"%s\">",nthreads));
  86         io.WriteString(c, fmt.Sprintf("<input type=\"hidden\" name=\"dbmult\" value=\"%s\">",dbmult));
  87         io.WriteString(c, "<input type=\"submit\" name=\"Begin\" value=\"Begin\">");
  88         io.WriteString(c, "</form>");
  89
  90         dbtype = "mysql";
  91
  92         footer(c);
  93         comout <- fmt.Sprintf("configure:%s:%s:%s:%s:%s:%s:%s", dbtype, dbhost, dbuser, dbpass, dbname, dbmult, nthreads);
  94
  95 }
  96
  97 func mainPage(c *http.Conn, req *http.Request)
  98 {
  99         header(c);
 100         io.WriteString(c, "<h1>goDBHammer</h1><br>");
 101         io.WriteString(c, "Welcome to goDBHammer, the go based database benchmarking tool<br>");
 102         io.WriteString(c, "<form method=\"post\" action=\"/confirm\">");
 103         io.WriteString(c, "<table><tr><td>Database Type</td><td><input type=\"text\" name=\"dbtype\" value=\"ignored for now\"></td></tr>");
 104         io.WriteString(c, "<tr><td>Database Host</td><td><input type=\"text\" name=\"dbhost\"></td></tr>");
 105         io.WriteString(c, "<tr><td>Database User</td><td><input type=\"text\" name=\"dbuser\"></td></tr>");
 106         io.WriteString(c, "<tr><td>Database Password</td><td><input type=\"text\" name=\"dbpass\"></td></tr>");
 107         io.WriteString(c, "<tr><td>Database</td><td><input type=\"text\" name=\"dbname\"></td></tr>");
 108         io.WriteString(c, "<tr><td>Data Multiplier</td><td><input type=\"text\" name=\"dbmult\"></td></tr>");
 109         io.WriteString(c, "<tr><td>Number of Clients</td><td><input type=\"text\" name=\"nthreads\"></td></tr>");
 110         io.WriteString(c, "<tr><td><input type=\"submit\" name=\"Setup\" value=\"Setup\"></td></tr>");
 111         io.WriteString(c, "</table>");
 112         io.WriteString(c, "</form>");
 113         fmt.Printf("%s\n", req.FormValue("dbhost"));
 114         footer(c);
 115 }
 116
 117 func header(c *http.Conn)
 118 {
 119         io.WriteString(c, "<html><head></head><body>");
 120 }
 121
 122 func footer(c *http.Conn)
 123 {
 124         io.WriteString(c, "</body></html>");
 125 }
 126
 127 func main()
 128 {
 129         comin = make(chan string);
 130         comout = make(chan string);
 131
 132         bc := benchcontroller.CreateController();
 133         go benchcontroller.MainLoop(bc, comout, comin);
 134
 135         http.Handle("/", http.HandlerFunc(ServerResponder));
 136         err := http.ListenAndServe(":22222", nil);
 137         if err != nil {
 138                 panic("ListenAndServe: ", err.String())
 139         }
 140
 141 }