SSDP_Server - An example demonstrating SSDP Discovery and a com…

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David Smart / Mbed 2 deprecated SSDP_Server

An example demonstrating SSDP Discovery and a companion Web Server.

Dependencies: mbed mbed-rtos Watchdog SW_HTTPServer SW_String EthernetInterface TimeInterface SSDP

This example program provides a framework -by- example.

It makes itself discoverable to the network using SSDP. From there, it is easy to access the embedded web server to interact with the embedded node.

The example, built on the LPC1768, provides interaction to turn the LEDs on and off via a web page that is discovered using the SSDP protocol.

It also picks up time via an NTP server.

Diff: WebPages.cpp

Revision:: 0:de1dfa2ab813
Child:: 1:016d4400254b

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebPages.cpp	Tue Jul 03 02:10:23 2018 +0000
@@ -0,0 +1,249 @@
+
+#include "mbed.h"
+
+#include "EthernetInterface.h"
+#include "WebPages.h"
+
+extern EthernetInterface eth;
+extern const char * BUILD_DATE;
+extern const char * PROG_NAME;
+extern const char * My_Name;
+extern const char * My_SerialNum;
+const int Server_Port = 80;
+
+
+// ##########################################
+// This test version controls the LEDs
+//
+DigitalOut leds[4] = { LED1, LED2, LED3, LED4 };
+
+
+static const char hdrTypeHTML_NoCache[] = 
+    "Content-Type: text/html\r\n"
+    "Cache-Control: no-cache\r\n";
+
+
+// sprintf(buf, ROOTPAGE, "NodeName", "NodeName", "BuildDate", 
+static const char * ROOTPAGE =
+    "<!DOCTYPE html>\r\n"
+    "<html><head><title>%s</title>\r\n"
+    "</head>\r\n"
+    "<body>\r\n"
+    "<h1>%s</h1>"
+    "This project demonstrates the Smartware web server and the Smartware SSDP discovery server.\n"
+    "You should be able to scan the network (e.g. in Windows Explorer) and find this device.\n"
+    "Then you can click on it to open this web page to interact with it.\n"
+    "<br/><br/>\n"
+    "<form method='get'>\n"
+    "<table>\n"
+    "<tr><td>Build</td><td>%s</td></tr>\n"
+    "<tr><td>Set LED</td>\n"
+    "<td><select name='LED'>\n"
+    "   <option value='1'>1</option>\n"
+    "   <option value='2'>2</option>\n"
+    "   <option value='3'>3</option>\n"
+    "   <option value='4'>4</option>\n"
+    " </select>\n"
+    " \n"
+    " <select name='CMD'>\n"
+    "   <option value='0'>Off</option>\n"
+    "   <option value='1'>On</option>\n"
+    " </select>\n"
+    "</td></tr>\n"
+    "<tr><td>&nbsp;</td><td><input type='submit' value='Apply'></td></tr>\n"
+    "</table>\n"
+    "</form>\n"
+    "</body>\n"
+    "</html>\n"
+    "";
+
+
+// The /setup.xml file
+//
+// sprintf(buf, SETUP_TEMPLATE, "FriendlyName", "udn_hexstring", "serialNum", "ip.ad.dr", portNum);
+static const char * SETUP_TEMPLATE =
+    "<?xml version=\"1.0\"?>\n"
+    "<root xmlns=\"urn:Belkin:device-1-0\">\n"
+    " <specVersion>\n"
+    "  <major>1</major>\n"
+    "  <minor>0</minor>\n"
+    " </specVersion>\n"
+    " <device>\n"
+    "  <deviceType>urn:Belkin:device:controllee:1</deviceType>\n"
+    "  <friendlyName>%s</friendlyName>\n"
+    "  <manufacturer>Belkin International Inc.</manufacturer>\n"            ///< must be "Belkin..." for Alexa discovery
+    "  <manufacturerURL>http://www.smart-family.net</manufacturerURL>\n"    ///<
+    "  <modelDescription>Special thing</modelDescription>\n"   ///<
+    "  <modelName>Smart Node</modelName>\n"                                ///<
+    "  <modelNumber>1.0.0</modelNumber>\n"
+#if 0
+    "  <modelURL>http://www.smart-family.net</modelURL>\n"                  ///< This causes it to fail to send completely
+#endif
+    "  <UDN>uuid:Socket-1_0-%s</UDN>\n"
+    "  <serialNumber>%s</serialNumber>\n"
+    "  <iconList>\n"
+    "   <mimetype>jpg</mimetype>\n"
+    "   <width>100</width>\n"
+    "   <height>100</height>\n"
+    "   <depth>100</depth>\n"
+    "   <url>icon.jpg</url>\n"
+    "  </iconList>\n"
+    "  <presentationURL>http://%s:%d</presentationURL>\n"
+#if 0
+    "  <serviceList>\n"
+    "   <service>\n"
+    "    <serviceType>urn:Belkin:service:WiFiSetup:1</serviceType>\n"
+    "    <serviceId>urn:Belkin:serviceId:WiFiSetup1</serviceId>\n"
+    "    <controlURL>/upnp/control/WiFiSetup1</controlURL>\n"
+    "    <eventSubURL>/upnp/event/WiFiSetup1</eventSubURL>\n"
+    "    <SCPDURL>/setupservice.xml</SCPDURL>\n"
+    "   </service>\n"
+    "   <service>\n"
+    "    <serviceType>urn:Belkin:service:timesync:1</serviceType>\n"
+    "    <serviceId>urn:Belkin:serviceId:timesync1</serviceId>\n"
+    "    <controlURL>/upnp/control/timesync1</controlURL>\n"
+    "    <eventSubURL>/upnp/event/timesync1</eventSubURL>\n"
+    "    <SCPDURL>/timesyncservice.xml</SCPDURL>\n"
+    "   </service>\n"
+    "   <service>\n"
+    "    <serviceType>urn:Belkin:service:basicevent:1</serviceType>\n"
+    "    <serviceId>urn:Belkin:serviceId:basicevent1</serviceId>\n"
+    "    <controlURL>/upnp/control/basicevent1</controlURL>\n"
+    "    <eventSubURL>/upnp/event/basicevent1</eventSubURL>\n"
+    "    <SCPDURL>/eventservice.xml</SCPDURL>\n"
+    "   </service>\n"
+    "   <service>\n"
+    "    <serviceType>urn:Belkin:service:firmwareupdate:1</serviceType>\n"
+    "    <serviceId>urn:Belkin:serviceId:firmwareupdate1</serviceId>\n"
+    "    <controlURL>/upnp/control/firmwareupdate1</controlURL>\n"
+    "    <eventSubURL>/upnp/event/firmwareupdate1</eventSubURL>\n"
+    "    <SCPDURL>/firmwareupdate.xml</SCPDURL>\n"
+    "   </service>\n"
+    "   <service>\n"
+    "    <serviceType>urn:Belkin:service:rules:1</serviceType>\n"
+    "    <serviceId>urn:Belkin:serviceId:rules1</serviceId>\n"
+    "    <controlURL>/upnp/control/rules1</controlURL>\n"
+    "    <eventSubURL>/upnp/event/rules1</eventSubURL>\n"
+    "    <SCPDURL>/rulesservice.xml</SCPDURL>\n"
+    "   </service>\n"
+    "   <service>\n"
+    "    <serviceType>urn:Belkin:service:metainfo:1</serviceType>\n"
+    "    <serviceId>urn:Belkin:serviceId:metainfo1</serviceId>\n"
+    "    <controlURL>/upnp/control/metainfo1</controlURL>\n"
+    "    <eventSubURL>/upnp/event/metainfo1</eventSubURL>\n"
+    "    <SCPDURL>/metainfoservice.xml</SCPDURL>\n"
+    "   </service>\n"
+    "   <service>\n"
+    "    <serviceType>urn:Belkin:service:remoteaccess:1</serviceType>\n"
+    "    <serviceId>urn:Belkin:serviceId:remoteaccess1</serviceId>\n"
+    "    <controlURL>/upnp/control/remoteaccess1</controlURL>\n"
+    "    <eventSubURL>/upnp/event/remoteaccess1</eventSubURL>\n"
+    "    <SCPDURL>/remoteaccess.xml</SCPDURL>\n"
+    "   </service>\n"
+    "   <service>\n"
+    "    <serviceType>urn:Belkin:service:deviceinfo:1</serviceType>\n"
+    "    <serviceId>urn:Belkin:serviceId:deviceinfo1</serviceId>\n"
+    "    <controlURL>/upnp/control/deviceinfo1</controlURL>\n"
+    "    <eventSubURL>/upnp/event/deviceinfo1</eventSubURL>\n"
+    "    <SCPDURL>/deviceinfoservice.xml</SCPDURL>\n"
+    "   </service>\n"
+    "   <service>\n"
+    "    <serviceType>urn:Belkin:service:smartsetup:1</serviceType>\n"
+    "    <serviceId>urn:Belkin:serviceId:smartsetup1</serviceId>\n"
+    "    <controlURL>/upnp/control/smartsetup1</controlURL>\n"
+    "    <eventSubURL>/upnp/event/smartsetup1</eventSubURL>\n"
+    "    <SCPDURL>/smartsetup.xml</SCPDURL>\n"
+    "   </service>\n"
+    "   <service>\n"
+    "    <serviceType>urn:Belkin:service:manufacture:1</serviceType>\n"
+    "    <serviceId>urn:Belkin:serviceId:manufacture1</serviceId>\n"
+    "    <controlURL>/upnp/control/manufacture1</controlURL>\n"
+    "    <eventSubURL>/upnp/event/manufacture1</eventSubURL>\n"
+    "    <SCPDURL>/manufacture.xml</SCPDURL>\n"
+    "   </service>\n"
+    "  </serviceList>\n"
+#endif
+    " </device>\n"
+    "</root>\n";
+
+
+HTTPServer::CallBackResults Setup_xml(HTTPServer *svr, HTTPServer::CallBackType type, char * path,
+                       const HTTPServer::namevalue *queryParams, int queryParamCount)
+{
+    char BigBuffer[1000];
+    HTTPServer::CallBackResults ret = HTTPServer::ACCEPT_ERROR;
+    printf("Setup.xml responder\n");
+    switch (type) {
+        case HTTPServer::SEND_PAGE:
+            svr->header(HTTPServer::OK, "OK", hdrTypeHTML_NoCache);
+            sprintf(BigBuffer, SETUP_TEMPLATE, 
+                My_Name, eth.getMACAddress(), My_SerialNum,
+                eth.getIPAddress(), Server_Port);
+            svr->send(BigBuffer);
+            ret = HTTPServer::ACCEPT_COMPLETE;
+            break;
+        case HTTPServer::CONTENT_LENGTH_REQUEST:
+            ret = HTTPServer::ACCEPT_COMPLETE;
+            break;
+        case HTTPServer::DATA_TRANSFER:
+            ret = HTTPServer::ACCEPT_COMPLETE;
+            break;
+        default:
+            ret = HTTPServer::ACCEPT_ERROR;
+            break;
+    }
+    return ret;
+}
+
+
+
+HTTPServer::CallBackResults RootPage(HTTPServer *svr, HTTPServer::CallBackType type, char * path,
+                       const HTTPServer::namevalue *queryParams, int queryParamCount)
+{
+    char BigBuffer[1000];
+    HTTPServer::CallBackResults ret = HTTPServer::ACCEPT_ERROR;
+    printf("RootPage responder\n");
+    
+    int led, cmd;
+    int mask = 0;
+    for (int i=0; i<queryParamCount; i++) {
+        if (strcmp(queryParams[i].name, "LED") == 0) {
+            led = atoi(queryParams[i].value);
+            mask |= 1;
+        } else if (strcmp(queryParams[i].name, "CMD") == 0) {
+            cmd = atoi(queryParams[i].value);
+            mask |= 2;
+        }
+    }
+    if (mask == 3) {
+        switch (led) {
+            case 1:
+            case 2:
+            case 3:
+            case 4:
+                leds[led - 1] = cmd;
+                break;
+            default:
+                break;
+        }
+    }
+    
+    switch (type) {
+        case HTTPServer::SEND_PAGE:
+            svr->header(HTTPServer::OK, "OK", hdrTypeHTML_NoCache);
+            sprintf(BigBuffer, ROOTPAGE, PROG_NAME, PROG_NAME, BUILD_DATE);            
+            svr->send(BigBuffer);
+            ret = HTTPServer::ACCEPT_COMPLETE;
+            break;
+        case HTTPServer::CONTENT_LENGTH_REQUEST:
+            ret = HTTPServer::ACCEPT_COMPLETE;
+            break;
+        case HTTPServer::DATA_TRANSFER:
+            ret = HTTPServer::ACCEPT_COMPLETE;
+            break;
+        default:
+            ret = HTTPServer::ACCEPT_ERROR;
+            break;
+    }
+    return ret;
+}

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Type:	Program
Mbed OS support:	Mbed 2 deprecated
Created:	03 Jul 2018
Imports:	8
Forks:	0
Commits:	10
Dependents:	0
Dependencies:	8
Followers:	3

Developers

David Smart

Paul Seeber

Diff: WebPages.cpp

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