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         //"dbconnector";
  12         "fmt";
  13 )
  14
  15 var comin chan string;
  16 var comout chan string;
  17
  18 // hello world, the web server
  19 func ServerResponder(c *http.Conn, req *http.Request) {
  20         //comout <- 2;
  21         //comout <- 3;
  22         //comout <- 1;
  23         fmt.Printf("lk: %s %s %s\n", req.Method, req.RawURL, req.URL);
  24         if req.RawURL == "/" {
  25                 mainPage(c, req);
  26         }
  27
  28         if req.RawURL == "/confirm" {
  29                 confirmPage(c, req);
  30         }
  31
  32         if req.RawURL == "/begin" {
  33                 beginPage(c, req);
  34         }
  35
  36         //k := <- comin;
  37         //fmt.Printf("%d\n", k);
  38 }
  39
  40 func beginPage(c *http.Conn, req *http.Request)
  41 {
  42
  43         if req.Method != "GET" {
  44                 http.Redirect(c, "/begin", 301);
  45         } else {
  46                 header(c);
  47                 io.WriteString(c, "<h1>Starting hammer</h1>");
  48                 //dbhost := req.FormValue("dbhost");
  49                 //dbuser := req.FormValue("dbuser");
  50                 //dbpass := req.FormValue("dbpass");
  51                 //dbname := req.FormValue("dbname");
  52                 //nthreads := req.FormValue("nthreads");
  53                 //dbmult := req.FormValue("dbmult");
  54                 comout <- "begin:setup";
  55
  56                 footer(c);
  57         }
  58
  59 }
  60
  61 func confirmPage(c *http.Conn, req *http.Request)
  62 {
  63         header(c);
  64         io.WriteString(c, "<h1>Confirm</h1>");
  65         dbhost := req.FormValue("dbhost");
  66         dbuser := req.FormValue("dbuser");
  67         dbpass := req.FormValue("dbpass");
  68         dbname := req.FormValue("dbname");
  69         nthreads := req.FormValue("nthreads");
  70         dbmult := req.FormValue("dbmult");
  71         var dbtype string;
  72
  73         io.WriteString(c, "You are trying to perform a benchmark with the following values:<br>");
  74         io.WriteString(c, "<table border=\"1\">");
  75         io.WriteString(c, fmt.Sprintf("<tr><td>Host</td><td>%s</td></tr>", dbhost));
  76         io.WriteString(c, fmt.Sprintf("<tr><td>User</td><td>%s</td></tr>", dbuser));
  77         io.WriteString(c, fmt.Sprintf("<tr><td>Password</td><td>%s</td></tr>", dbpass));
  78         io.WriteString(c, fmt.Sprintf("<tr><td>Database</td><td>%s</td></tr>", dbname));
  79         io.WriteString(c, fmt.Sprintf("<tr><td>Data Multiplier</td><td>%s</td></tr>", dbmult));
  80         io.WriteString(c, fmt.Sprintf("<tr><td>Number of Threads</td><td>%s</td></tr>", nthreads));
  81         io.WriteString(c, "</table>");
  82         io.WriteString(c, "<form method=\"post\" action=\"/begin\">");
  83         io.WriteString(c, fmt.Sprintf("<input type=\"hidden\" name=\"dbhost\" value=\"%s\">",dbhost));
  84         io.WriteString(c, fmt.Sprintf("<input type=\"hidden\" name=\"dbuser\" value=\"%s\">",dbuser));
  85         io.WriteString(c, fmt.Sprintf("<input type=\"hidden\" name=\"dbpass\" value=\"%s\">",dbpass));
  86         io.WriteString(c, fmt.Sprintf("<input type=\"hidden\" name=\"dbname\" value=\"%s\">",dbname));
  87         io.WriteString(c, fmt.Sprintf("<input type=\"hidden\" name=\"nthreads\" value=\"%s\">",nthreads));
  88         io.WriteString(c, fmt.Sprintf("<input type=\"hidden\" name=\"dbmult\" value=\"%s\">",dbmult));
  89         io.WriteString(c, "<input type=\"submit\" name=\"Begin\" value=\"Begin\">");
  90         io.WriteString(c, "</form>");
  91
  92         dbtype = "mysql";
  93
  94         footer(c);
  95         comout <- fmt.Sprintf("configure:%s:%s:%s:%s:%s:%s:%s", dbtype, dbhost, dbuser, dbpass, dbname, dbmult, nthreads);
  96
  97 }
  98
  99 func mainPage(c *http.Conn, req *http.Request)
 100 {
 101         header(c);
 102         io.WriteString(c, "<h1>goDBHammer</h1><br>");
 103         io.WriteString(c, "Welcome to goDBHammer, the go based database benchmarking tool<br>");
 104         io.WriteString(c, "<form method=\"post\" action=\"/confirm\">");
 105         io.WriteString(c, "<table><tr><td>Database Type</td><td><input type=\"text\" name=\"dbtype\" value=\"ignored for now\"></td></tr>");
 106         io.WriteString(c, "<tr><td>Database Host</td><td><input type=\"text\" name=\"dbhost\"></td></tr>");
 107         io.WriteString(c, "<tr><td>Database User</td><td><input type=\"text\" name=\"dbuser\"></td></tr>");
 108         io.WriteString(c, "<tr><td>Database Password</td><td><input type=\"text\" name=\"dbpass\"></td></tr>");
 109         io.WriteString(c, "<tr><td>Database</td><td><input type=\"text\" name=\"dbname\"></td></tr>");
 110         io.WriteString(c, "<tr><td>Data Multiplier</td><td><input type=\"text\" name=\"dbmult\"></td></tr>");
 111         io.WriteString(c, "<tr><td>Number of Clients</td><td><input type=\"text\" name=\"nthreads\"></td></tr>");
 112         io.WriteString(c, "<tr><td><input type=\"submit\" name=\"Setup\" value=\"Setup\"></td></tr>");
 113         io.WriteString(c, "</table>");
 114         io.WriteString(c, "</form>");
 115         fmt.Printf("%s\n", req.FormValue("dbhost"));
 116         footer(c);
 117 }
 118
 119 func header(c *http.Conn)
 120 {
 121         io.WriteString(c, "<html><head></head><body>");
 122 }
 123
 124 func footer(c *http.Conn)
 125 {
 126         io.WriteString(c, "</body></html>");
 127 }
 128
 129 func main()
 130 {
 131         comin = make(chan string);
 132         comout = make(chan string);
 133
 134
 135         bc := benchcontroller.CreateController();
 136         go benchcontroller.MainLoop(bc, comout, comin);
 137
 138         http.Handle("/", http.HandlerFunc(ServerResponder));
 139         err := http.ListenAndServe(":22222", nil);
 140         if err != nil {
 141                 panic("ListenAndServe: ", err.String())
 142         }
 143
 144 }