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         "json";
  14 )
  15
  16 type JSONdata struct {
  17         currentJob int; // 1 = nothing, 2 = have database login, 3 = createing data, 4 = running test, 5 = finished
  18         currentStatus int; // percent complete
  19 }
  20
  21 var comin chan string;
  22 var cominstatus chan string;
  23 var comout chan string;
  24
  25 func JSONResponder(c *http.Conn, req *http.Request)
  26 {
  27         //stat := <- cominstatus;
  28
  29         j, _, _ := json.StringToJson("{\"somestring\":\"somevalue\"}");
  30
  31         io.WriteString(c, fmt.Sprintf("%s\n", json.JsonToString(j)));
  32
  33         /*if ret {
  34                 fmt.Printf("err was true\n");
  35         } else {
  36                 fmt.Printf("err was false\n");
  37         }*/
  38
  39         //fmt.Printf("errto %s\n", errto);
  40
  41 }
  42
  43
  44 // hello world, the web server
  45 func ServerResponder(c *http.Conn, req *http.Request) {
  46         //comout <- 2;
  47         //comout <- 3;
  48         //comout <- 1;
  49         fmt.Printf("lk: %s %s %s\n", req.Method, req.RawURL, req.URL);
  50         if req.RawURL == "/" {
  51                 mainPage(c, req);
  52         }
  53
  54         if req.RawURL == "/confirm" {
  55                 confirmPage(c, req);
  56         }
  57
  58         if req.RawURL == "/begin" {
  59                 beginPage(c, req);
  60         }
  61
  62         //k := <- comin;
  63         //fmt.Printf("%d\n", k);
  64 }
  65
  66 func beginPage(c *http.Conn, req *http.Request)
  67 {
  68
  69         if req.Method != "GET" {
  70                 http.Redirect(c, "/begin", 301);
  71         } else {
  72                 header(c);
  73                 io.WriteString(c, "<h1>Starting hammer</h1>");
  74                 //dbhost := req.FormValue("dbhost");
  75                 //dbuser := req.FormValue("dbuser");
  76                 //dbpass := req.FormValue("dbpass");
  77                 //dbname := req.FormValue("dbname");
  78                 //nthreads := req.FormValue("nthreads");
  79                 //dbmult := req.FormValue("dbmult");
  80                 comout <- "begin:setup";
  81
  82                 footer(c);
  83         }
  84
  85 }
  86
  87 func confirmPage(c *http.Conn, req *http.Request)
  88 {
  89         header(c);
  90         io.WriteString(c, "<h1>Confirm</h1>");
  91         dbhost := req.FormValue("dbhost");
  92         dbuser := req.FormValue("dbuser");
  93         dbpass := req.FormValue("dbpass");
  94         dbname := req.FormValue("dbname");
  95         nthreads := req.FormValue("nthreads");
  96         dbmult := req.FormValue("dbmult");
  97         var dbtype string;
  98
  99         io.WriteString(c, "You are trying to perform a benchmark with the following values:<br>");
 100         io.WriteString(c, "<table border=\"1\">");
 101         io.WriteString(c, fmt.Sprintf("<tr><td>Host</td><td>%s</td></tr>", dbhost));
 102         io.WriteString(c, fmt.Sprintf("<tr><td>User</td><td>%s</td></tr>", dbuser));
 103         io.WriteString(c, fmt.Sprintf("<tr><td>Password</td><td>%s</td></tr>", dbpass));
 104         io.WriteString(c, fmt.Sprintf("<tr><td>Database</td><td>%s</td></tr>", dbname));
 105         io.WriteString(c, fmt.Sprintf("<tr><td>Data Multiplier</td><td>%s</td></tr>", dbmult));
 106         io.WriteString(c, fmt.Sprintf("<tr><td>Number of Threads</td><td>%s</td></tr>", nthreads));
 107         io.WriteString(c, "</table>");
 108         io.WriteString(c, "<form method=\"post\" action=\"/begin\">");
 109         io.WriteString(c, fmt.Sprintf("<input type=\"hidden\" name=\"dbhost\" value=\"%s\">",dbhost));
 110         io.WriteString(c, fmt.Sprintf("<input type=\"hidden\" name=\"dbuser\" value=\"%s\">",dbuser));
 111         io.WriteString(c, fmt.Sprintf("<input type=\"hidden\" name=\"dbpass\" value=\"%s\">",dbpass));
 112         io.WriteString(c, fmt.Sprintf("<input type=\"hidden\" name=\"dbname\" value=\"%s\">",dbname));
 113         io.WriteString(c, fmt.Sprintf("<input type=\"hidden\" name=\"nthreads\" value=\"%s\">",nthreads));
 114         io.WriteString(c, fmt.Sprintf("<input type=\"hidden\" name=\"dbmult\" value=\"%s\">",dbmult));
 115         io.WriteString(c, "<input type=\"submit\" name=\"Begin\" value=\"Begin\">");
 116         io.WriteString(c, "</form>");
 117
 118         dbtype = "mysql";
 119
 120         footer(c);
 121         comout <- fmt.Sprintf("configure:%s:%s:%s:%s:%s:%s:%s", dbtype, dbhost, dbuser, dbpass, dbname, dbmult, nthreads);
 122
 123 }
 124
 125 func mainPage(c *http.Conn, req *http.Request)
 126 {
 127         header(c);
 128         io.WriteString(c, "<h1>goDBHammer</h1><br>");
 129         io.WriteString(c, "Welcome to goDBHammer, the go based database benchmarking tool<br>");
 130         io.WriteString(c, "<form method=\"post\" action=\"/confirm\">");
 131         io.WriteString(c, "<table><tr><td>Database Type</td><td><input type=\"text\" name=\"dbtype\" value=\"ignored for now\"></td></tr>");
 132         io.WriteString(c, "<tr><td>Database Host</td><td><input type=\"text\" name=\"dbhost\"></td></tr>");
 133         io.WriteString(c, "<tr><td>Database User</td><td><input type=\"text\" name=\"dbuser\"></td></tr>");
 134         io.WriteString(c, "<tr><td>Database Password</td><td><input type=\"text\" name=\"dbpass\"></td></tr>");
 135         io.WriteString(c, "<tr><td>Database</td><td><input type=\"text\" name=\"dbname\"></td></tr>");
 136         io.WriteString(c, "<tr><td>Data Multiplier</td><td><input type=\"text\" name=\"dbmult\"></td></tr>");
 137         io.WriteString(c, "<tr><td>Number of Clients</td><td><input type=\"text\" name=\"nthreads\"></td></tr>");
 138         io.WriteString(c, "<tr><td><input type=\"submit\" name=\"Setup\" value=\"Setup\"></td></tr>");
 139         io.WriteString(c, "</table>");
 140         io.WriteString(c, "</form>");
 141         fmt.Printf("%s\n", req.FormValue("dbhost"));
 142         footer(c);
 143 }
 144
 145 func header(c *http.Conn)
 146 {
 147         io.WriteString(c, "<html><head></head><body>");
 148 }
 149
 150 func footer(c *http.Conn)
 151 {
 152         io.WriteString(c, "</body></html>");
 153 }
 154
 155 func main()
 156 {
 157         comin = make(chan string);
 158         cominstatus = make(chan string);
 159         comout = make(chan string);
 160
 161
 162         bc := benchcontroller.CreateController();
 163         go benchcontroller.MainLoop(bc, comout, comin, cominstatus);
 164
 165         http.Handle("/", http.FileServer("./web", "/web"));
 166         http.Handle("/json", http.HandlerFunc(JSONResponder));
 167         err := http.ListenAndServe(":22222", nil);
 168         if err != nil {
 169                 panic("ListenAndServe: ", err.String())
 170         }
 171
 172 }