38 lines
1018 B
C++
38 lines
1018 B
C++
#include <WiFi.h>
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#include <WiFiUdp.h>
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#define SSDP_MULTICAST_IP IPAddress("239.255.255.250")
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#define SSDP_PORT 1900
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#define UPNP_HTTP_PORT 5000 // Most routers use 5000, but it can vary
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#define SEARCH_TIMEOUT 5000 // 2 seconds timeout
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class CUpnpClient {
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private:
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IPAddress routerIP;
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String routerIPString;
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uint16_t routerPort;
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IPAddress publicIP;
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uint16_t publicPort;
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uint32_t lastDiscoveryTime;
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String routerLocation;
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String controlURL;
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char buffer[1024]; // Stack-based buffer for responses
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public:
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CUpnpClient() : publicPort(0), lastDiscoveryTime(0) {}
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bool registerUPnP(uint32_t *pip, uint16_t *pport);
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private:
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String fetchUPnPDescription(const String &location);
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String parseXML(const String &xml);
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int sendSoapRequest(const char *request, char *response, size_t responseSize);
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bool discoverUPnP();
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bool requestPortMappingEntry();
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bool requestPortForwarding();
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bool requestExternalIP();
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bool requestExternalPort();
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};
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