Another example service - a dynamic node lister using HTTP and HTML.

da3b3e08 · rswindell · 00646a01 · da3b3e08
Commit da3b3e08 authored 23 years ago by rswindell
--- a/exec/nodelist-html.js
+++ b/exec/nodelist-html.js
+// nodelist-html.js
+
+// Synchronet Service for sending a periodic HTML node list
+
+const REFRESH_RATE=10	/* seconds */
+var start=new Date();
+
+load("nodedefs.js");
+
+// This is just an example of how you access command-line args
+for(i=0;i<argc;i++)
+	log(format("argv[%d]=%s",i,argv[i]));
+// End of example :-)
+
+// Write a string to the client socket
+function write(str)
+{
+	client.socket.send(str);
+}
+
+function writeln(str)
+{
+	write(str + "\r\n");
+}
+
+// Get HTTP Request
+while(client.socket.data_waiting) {
+	request = client.socket.recvline(128 /*maxlen*/, 3 /*timeout*/);
+
+	if(request==null) 
+		break;
+
+//	log(format("client request: '%s'",request));
+}
+
+// HTML Header
+writeln("<html>");
+writeln("<head>");
+writeln(format("<title>%s BBS - Node List</title>",system.name));
+writeln(format("<meta http-equiv=refresh content=%d>",REFRESH_RATE));
+writeln("</head>");
+
+writeln("<font face=Arial,Helvetica,sans-serif>");
+writeln("<body bgcolor=teal text=white link=yellow vlink=lime alink=white>");
+
+// Login Button
+writeln("<form>");
+writeln("<table align=right>");
+writeln("<td><input type=button value='Login' onClick='location=\"telnet://" 
+	+ system.inetaddr + "\";'>"); 
+writeln("</table>");
+writeln("</form>");
+
+// Table
+writeln("<table border=0 width=100%>");
+writeln("<caption align=left><font color=lime>");
+writeln(format("<h1><i>%s BBS - Node List</i></h1>",system.name));
+writeln("</caption>");
+
+// Header
+writeln("<thead>");
+writeln("<tr bgcolor=white>");
+font_color = "<font color=black>";
+
+write(format("<th align=center width=7%>%sNode",font_color));
+write(format("<th align=center width=20%>%sUser",font_color));
+write(format("<th align=left>%sAction/Status",font_color));
+write(format("<th align=center width=7%>%sAge",font_color));
+write(format("<th align=center width=10%>%sGender\r\n",font_color));
+writeln("</thead>");
+
+writeln("<tbody>");
+var user = new User(1);
+for(n=0;n<system.node_list.length;n++) {
+	write("<tr>");
+	write(format("<td align=right><font size=-1>%d",n+1));
+	if(system.node_list[n].status==NODE_INUSE) {
+		user.number=system.node_list[n].useron;
+		if(system.node_list[n].action==NODE_XTRN && system.node_list[n].aux)
+			action=format("running external program (door) #%d",system.node_list[n].aux);
+		else
+			action=format(NodeAction[system.node_list[n].action]
+				,system.node_list[n].aux);
+		write(format(
+			"<td align=center><a href=mailto:%s>%s</a>"
+			,user.email
+			,user.alias
+			));
+		write(format(
+			"<td><font color=yellow>%s<td align=center>%d<td align=center>%s"
+			,action
+			,user.age
+			,user.gender
+			));
+	} else {
+		action=format(NodeStatus[system.node_list[n].status],system.node_list[n].aux);
+		write(format("<td><td>%s",action));
+	}
+	write("\r\n");
+}
+writeln("</tbody>");
+writeln("</table>");
+
+writeln("<p><font color=silver><font size=-2>");
+writeln(format("Auto-refresh in %d seconds",REFRESH_RATE));
+write(format("<br>Dynamically generated in %lu milliseconds "
+	  ,new Date().valueOf()-start.valueOf()));
+write("by <a href=http://www.synchro.net>" + system.version_notice + "</a>");
+writeln("<br>" + system.timestr());
+
+writeln("</body>");
+writeln("</html>");
+sleep(1000);
+/* End of nodelist-html.js */