update espMqttClient

lib/espMqttClient/src/Transport/ClientAsync.cpp

@@ -31,10 +31,6 @@ size_t ClientAsync::write(const uint8_t* buf, size_t size) {
   return client.write(reinterpret_cast<const char*>(buf), size);
 }
 
-int ClientAsync::available() {
-  return static_cast<int>(availableData);  // availableData will never be large enough to cause an overflow
-}
-
 int ClientAsync::read(uint8_t* buf, size_t size) {
   size_t willRead = std::min(size, availableData);
   memcpy(buf, bufData, std::min(size, availableData));

lib/espMqttClient/src/Transport/ClientAsync.h

@@ -29,7 +29,6 @@ class ClientAsync : public Transport {
   bool connect(IPAddress ip, uint16_t port) override;
   bool connect(const char* host, uint16_t port) override;
   size_t write(const uint8_t* buf, size_t size) override;
-  int available() override;
   int read(uint8_t* buf, size_t size) override;
   void stop() override;
   bool connected() override;

lib/espMqttClient/src/Transport/ClientPosix.cpp

@@ -62,12 +62,6 @@ size_t ClientPosix::write(const uint8_t* buf, size_t size) {
   return ::send(_sockfd, buf, size, 0);
 }
 
-int ClientPosix::available() {
-  uint8_t buf[EMC_POSIX_PEEK_SIZE];
-  int ret = ::recv(_sockfd, &buf, EMC_POSIX_PEEK_SIZE, MSG_DONTWAIT|MSG_PEEK);
-  return ret;
-}
-
 int ClientPosix::read(uint8_t* buf, size_t size) {
   int ret = ::recv(_sockfd, buf, size, MSG_DONTWAIT);
   /*

lib/espMqttClient/src/Transport/ClientPosix.h

@@ -36,7 +36,6 @@ class ClientPosix : public Transport {
   bool connect(IPAddress ip, uint16_t port) override;
   bool connect(const char* host, uint16_t port) override;
   size_t write(const uint8_t* buf, size_t size) override;
-  int available() override;
   int read(uint8_t* buf, size_t size) override;
   void stop() override;
   bool connected() override;

lib/espMqttClient/src/Transport/ClientSecureSync.cpp

@@ -50,10 +50,6 @@ size_t ClientSecureSync::write(const uint8_t* buf, size_t size) {
   return client.write(buf, size);
 }
 
-int ClientSecureSync::available() {
-  return client.available();
-}
-
 int ClientSecureSync::read(uint8_t* buf, size_t size) {
   return client.read(buf, size);
 }

lib/espMqttClient/src/Transport/ClientSecureSync.h

@@ -22,7 +22,6 @@ class ClientSecureSync : public Transport {
   bool connect(IPAddress ip, uint16_t port) override;
   bool connect(const char* host, uint16_t port) override;
   size_t write(const uint8_t* buf, size_t size) override;
-  int available() override;
   int read(uint8_t* buf, size_t size) override;
   void stop() override;
   bool connected() override;

lib/espMqttClient/src/Transport/ClientSync.cpp

@@ -50,10 +50,6 @@ size_t ClientSync::write(const uint8_t* buf, size_t size) {
   return client.write(buf, size);
 }
 
-int ClientSync::available() {
-  return client.available();
-}
-
 int ClientSync::read(uint8_t* buf, size_t size) {
   return client.read(buf, size);
 }

lib/espMqttClient/src/Transport/ClientSync.h

@@ -22,7 +22,6 @@ class ClientSync : public Transport {
   bool connect(IPAddress ip, uint16_t port) override;
   bool connect(const char* host, uint16_t port) override;
   size_t write(const uint8_t* buf, size_t size) override;
-  int available() override;
   int read(uint8_t* buf, size_t size) override;
   void stop() override;
   bool connected() override;

lib/espMqttClient/src/Transport/Transport.h

@@ -19,7 +19,6 @@ class Transport {
   virtual bool connect(IPAddress ip, uint16_t port) = 0;
   virtual bool connect(const char* host, uint16_t port) = 0;
   virtual size_t write(const uint8_t* buf, size_t size) = 0;
-  virtual int available() = 0;
   virtual int read(uint8_t* buf, size_t size) = 0;
   virtual void stop() = 0;
   virtual bool connected() = 0;