Introduce WiFiBearSSLClient (offloaded to Nina)

Author: facchinm

src/WiFiClient.cpp

@@ -136,6 +136,64 @@ int WiFiClient::connectSSL(const char *host, uint16_t port)
     return 1;
 }
 
+int WiFiClient::connectBearSSL(IPAddress ip, uint16_t port)
+{
+    if (_sock != NO_SOCKET_AVAIL)
+    {
+      stop();
+    }
+
+    _sock = ServerDrv::getSocket();
+    if (_sock != NO_SOCKET_AVAIL)
+    {
+      ServerDrv::startClient(uint32_t(ip), port, _sock, TLS_BEARSSL_MODE);
+
+      unsigned long start = millis();
+
+      // wait 4 second for the connection to close
+      while (!connected() && millis() - start < 10000)
+        delay(1);
+
+      if (!connected())
+        {
+        return 0;
+      }
+    } else {
+      Serial.println("No Socket available");
+      return 0;
+    }
+    return 1;
+}
+
+int WiFiClient::connectBearSSL(const char *host, uint16_t port)
+{
+    if (_sock != NO_SOCKET_AVAIL)
+    {
+      stop();
+    }
+
+    _sock = ServerDrv::getSocket();
+    if (_sock != NO_SOCKET_AVAIL)
+    {
+      ServerDrv::startClient(host, strlen(host), uint32_t(0), port, _sock, TLS_BEARSSL_MODE);
+
+      unsigned long start = millis();
+
+      // wait 4 second for the connection to close
+      while (!connected() && millis() - start < 10000)
+        delay(1);
+
+      if (!connected())
+        {
+        return 0;
+      }
+    } else {
+      Serial.println("No Socket available");
+      return 0;
+    }
+    return 1;
+}
+
 size_t WiFiClient::write(uint8_t b) {
 	  return write(&b, 1);
 }

src/WiFiClient.h

@@ -36,6 +36,8 @@ class WiFiClient : public Client {
   virtual int connect(const char *host, uint16_t port);
   virtual int connectSSL(IPAddress ip, uint16_t port);
   virtual int connectSSL(const char *host, uint16_t port);
+  virtual int connectBearSSL(IPAddress ip, uint16_t port);
+  virtual int connectBearSSL(const char *host, uint16_t port);
   virtual size_t write(uint8_t);
   virtual size_t write(const uint8_t *buf, size_t size);
   virtual int available();

src/WiFiSSLClient.cpp

@@ -38,3 +38,23 @@ int WiFiSSLClient::connect(const char* host, uint16_t port)
 {
 	return WiFiClient::connectSSL(host, port);
 }
+
+WiFiBearSSLClient::WiFiBearSSLClient() :
+	WiFiClient()
+{
+}
+
+WiFiBearSSLClient::WiFiBearSSLClient(uint8_t sock) :
+	WiFiClient()
+{
+}
+
+int WiFiBearSSLClient::connect(IPAddress ip, uint16_t port)
+{
+	return WiFiClient::connectBearSSL(ip, port);
+}
+
+int WiFiBearSSLClient::connect(const char* host, uint16_t port)
+{
+	return WiFiClient::connectBearSSL(host, port);
+}

src/WiFiSSLClient.h

@@ -32,4 +32,14 @@ class WiFiSSLClient : public WiFiClient {
 	virtual int connect(const char* host, uint16_t port);
 };
 
+class WiFiBearSSLClient : public WiFiClient {
+
+public:
+	WiFiBearSSLClient();
+	WiFiBearSSLClient(uint8_t sock);
+
+	virtual int connect(IPAddress ip, uint16_t port);
+	virtual int connect(const char* host, uint16_t port);
+};
+
 #endif /* WIFISSLCLIENT_H */

src/utility/server_drv.h

@@ -24,7 +24,7 @@
 #include <inttypes.h>
 #include "utility/wifi_spi.h"
 
-typedef enum eProtMode {TCP_MODE, UDP_MODE, TLS_MODE, UDP_MULTICAST_MODE}tProtMode;
+typedef enum eProtMode {TCP_MODE, UDP_MODE, TLS_MODE, UDP_MULTICAST_MODE, TLS_BEARSSL_MODE}tProtMode;
 
 class ServerDrv
 {