a WORKING WEBSERVER!!!
authorDirk Koopman <djk@tobit.co.uk>
Fri, 23 Jan 2015 23:25:57 +0000 (23:25 +0000)
committerDirk Koopman <djk@tobit.co.uk>
Fri, 23 Jan 2015 23:25:57 +0000 (23:25 +0000)
loop.pl

diff --git a/loop.pl b/loop.pl
index 30bea05397d4b20a234a2db2a34e1cf8c748b2fa..71464fd208d81390b2fa588a348855c484adaf83 100755 (executable)
--- a/loop.pl
+++ b/loop.pl
@@ -30,8 +30,11 @@ my $state = "ready";
 my $buf;
 my $dbg;
 my $ser;                                                       # the serial port Mojo::IOLoop::Stream
+my $last_min_h;
+my $last_hour_h;
 
 our $json = JSON->new->canonical(1);
+our $WS = {};                                  # websocket connections
 
 our $ld = {};
 
@@ -88,42 +91,48 @@ $SIG{TERM} = $SIG{INT} = sub {++$ending; Mojo::IOLoop->stop;};
 $SIG{HUP} = 'IGNORE';
 
 
-get '/' => 'index';
-
 # WebSocket weather service
-websocket '/index' => sub {
+websocket '/weather' => sub {
   my $c = shift;
+  my $msg = shift;
+  my $tx = $c->tx;
+
   # Opened
-  $c->app->log->debug('WebSocket opened.');
+  app->log->debug('WebSocket opened.');
   dbg 'WebSocket opened' if isdbg 'chan';
-   
-  # Increase inactivity timeout for connection a bit
-  $c->inactivity_timeout(300);
+  $WS->{$tx} = $tx; 
+
+  # send historical data
+  $c->send($ld->{lasthour_h}) if exists $ld->{lasthour_h};
+  $c->send($ld->{lastmin_h}) if exists $ld->{lastmin_h};
+  
+  # disable timeout
+  $c->inactivity_timeout(3615);
  
   # Incoming message
   $c->on(
                 message => sub {
                         my ($c, $msg) = @_;
-                        dbg "websocket: $msg" if isdbg 'chan';
+                        dbg "websocket: text $msg" if isdbg 'chan';
                 },
                 json => sub {
                         my ($c, $msg) = @_;
-                        dbg "websocket: $msg" if isdbg 'chan';
+                        dbg "websocket: json $msg" if isdbg 'chan';
                 }
   );
  
   # Closed
   $c->on(finish => sub {
     my ($c, $code, $reason) = @_;
-    $c->app->log->debug("WebSocket closed with status $code.");
-       dbg 'WebSocket closed with status $code' if isdbg 'chan';
+    app->log->debug("WebSocket closed with status $code.");
+       dbg 'webwocket closed with status $code' if isdbg 'chan';
+       delete $WS->{$tx};
   });
-
-  $c->render;
-  
 };
 
+get '/' => {template => 'index'};
+
+
 dbginit();
 if (@ARGV) {
        dbgadd(@ARGV);
@@ -398,7 +407,9 @@ sub process
                        }
                        $ld->{last_rain_min} = $ld->{last_rain_hour} = $rain;
 
+                       $last_hour_h = {%h};
                        $s = genstr($ts, 'h', \%h);
+                       $ld->{lasthour_h} = $s;
                        
                        $ld->{last_hour} = int($ts/1800)*1800;
                        $ld->{last_min} = int($ts/60)*60;
@@ -425,7 +436,9 @@ sub process
                        $h{Temp_Out_Max} = $ld->{Temp_Out_Max};
                        $h{Temp_Out_Min} = $ld->{Temp_Out_Min};
 
+                       $last_min_h = {%h};
                        $s = genstr($ts, 'm', \%h);
+                       $ld->{lastmin_h} = $s;
                        
                        $ld->{last_min} = int($ts/60)*60;
                        @{$ld->{wind_min}} = ();
@@ -469,6 +482,14 @@ sub output_str
        dbg $s;
 #      say $s;
        $dlog->writenow($s);
+       foreach my $ws (keys $WS) {
+               my $tx = $WS->{$ws};
+               if ($tx) {
+                       $tx->send($s);
+               } else {
+                       delete $WS->{$tx};
+               }
+       }
 }
 
 sub gen_hash_diff
@@ -607,12 +628,16 @@ sub read_ld
        
        # sort out rain stats
        my $c;
-       if (($c = @{$ld->{rain24}}) < 24*60) {
+       if ($ld->{rain24} && ($c = @{$ld->{rain24}}) < 24*60) {
                my $diff = 24*60 - $c;
                unshift @{$ld->{rain24}}, 0 for 0 .. $diff;  
        }
        my $rain;
-       $rain += $_ for @{$ld->{rain24}};
+       
+       if ($ld->{rain24}) {
+               $rain += $_ for @{$ld->{rain24}};
+       }
+       
        $ld->{rain_24} = nearest(0.1, $rain);
        delete $ld->{hour};
        delete $ld->{min};
@@ -634,37 +659,77 @@ sub write_ld
 __DATA__
  
 @@ index.html.ep
+% my $url = url_for 'weather';
 <!DOCTYPE html>
 <html>
   <head><title>DWeather</title></head>
   <body>
+       <h1>DWeather</h1>
+
     <script>
-      var ws;
-      if ("WebSocket" in window) {
-        ws = new WebSocket('<%= url_for('index')->to_abs %>');
-               //ws = new WebSocket();
-      }
-      if(typeof(ws) !== 'undefined') {
-        ws.onmessage = function (event) {
-          document.body.innerHTML += JSON.parse(event.data).test;
-        };
-        ws.onopen = function (event) {
-          ws.send(JSON.stringify({weather: 'WebSocket support works! ♥'}));
-        };
-      }
-      else {
-        document.body.innerHTML += 'Browser does not support WebSockets.';
-      }
-
-      var ws = new WebSocket('<%= url_for('weather')->to_abs %>');
-      // Incoming messages
-      ws.onmessage = function(event) {
-        document.body.innerHTML += event.data + '<br/>';
-      };
+       var ws;
+
+       function process(key,value) {
+               var d = document.getElementById(key);
+               if (d !== null) {
+                       d.innerHTML = value;
+               }
+       }
+
+    function traverse(o) {
+               console.log(o);
+               for (var i in o) {
+                       process(i, o[i]);  
+                       if (o[i] !== null && typeof(o[i])=="object") {
+                               traverse(o[i]);
+                       }
+               }
+       }
+
+
+    ws = new WebSocket('<%= $url->to_abs %>');
+    document.body.innerHTML += 'ws connecting to: <%= $url->to_abs %> type_of: ' + typeof(ws) + '<br>';
+    if (typeof(ws) === 'object') {
+               ws.onmessage = function (event) {
+                       var js = JSON.parse(event.data);
+                       if (js !== null && typeof(js) === 'object') {
+                               traverse(js);
+                       }
+               };
+               ws.onopen = function (event) {
+                       ws.send('WebSocket support works! ♥');
+               };
+       } else {
+               document.body.innerHTML += 'Webserver only works with Websocket aware browsers';
+       }
  
     </script>
-       <h1>DWeather</h1>
 
+<br><br>
+<table border=1 width=80%>
+<th>Time:<td><span id="tm"> </span>
+<tr>
+<th>Pressure:<td><span id="Pressure"> </span>
+<tr>
+<th>Temperature in:<td> <span id="Temp_In"> </span> 
+<th>Humidity:<td> <span id="Humidity_In"> </span>
+<tr>
+<th>Temperature out:<td> <span id="Temp_Out"> </span> 
+<th>Min:<td> <span id="Temp_Out_Min"> </span> 
+<th>Max:<td> <span id="Temp_Out_Max"> </span> 
+<th>Humidity:<td> <span id="Humidity_Out"> </span> 
+<th>Dew Point:<td> <span id="Dew_Point"> </span> 
+<tr>
+<th>Wind Direction:<td> <span id="Dir"> </span> 
+<th>Minute:<td> <span id="Dir_1m">  </span> 
+<th>Speed:<td> <span id="Wind"> </span> 
+<th>Minute:<td> <span id="Wind_1m">  </span>
+<tr>
+<th>Rain Hour:<td> <span id="Rain_1h"> </span>
+<th>Day:<td> <span id="Rain_Day"> </span>
+<th>24hrs:<td> <span id="Rain_24h"> </span>
+<th>Month:<td> <span id="Rain_Month"> </span>
+<th>Year:<td> <span id="Rain_Year"> </span>
+</table>
   </body>
 </html>