compile with esp mqtt lib

lib/espMqttClient/src/Transport/ClientAsync.cpp

@@ -0,0 +1,62 @@
+/*
+Copyright (c) 2022 Bert Melis. All rights reserved.
+
+This work is licensed under the terms of the MIT license.  
+For a copy, see <https://opensource.org/licenses/MIT> or
+the LICENSE file.
+*/
+
+#if defined(ARDUINO_ARCH_ESP8266) || defined(ARDUINO_ARCH_ESP32)
+
+#include "ClientAsync.h"
+
+namespace espMqttClientInternals {
+
+ClientAsync::ClientAsync()
+: client()
+, availableData(0)
+, bufData(nullptr) {
+  // empty
+}
+
+bool ClientAsync::connect(IPAddress ip, uint16_t port) {
+  return client.connect(ip, port);
+}
+
+bool ClientAsync::connect(const char* host, uint16_t port) {
+  return client.connect(host, port);
+}
+
+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));
+  if (availableData > size) {
+    emc_log_w("Buffer is smaller than available data: %zu - %zu", size, availableData);
+  }
+  availableData = 0;
+  return willRead;
+}
+
+void ClientAsync::stop() {
+  client.close(false);
+}
+
+bool ClientAsync::connected() {
+  return client.connected();
+}
+
+bool ClientAsync::disconnected() {
+  return client.disconnected();
+}
+
+}  // namespace espMqttClientInternals
+
+#endif

lib/espMqttClient/src/Transport/ClientAsync.h

@@ -0,0 +1,45 @@
+/*
+Copyright (c) 2022 Bert Melis. All rights reserved.
+
+This work is licensed under the terms of the MIT license.  
+For a copy, see <https://opensource.org/licenses/MIT> or
+the LICENSE file.
+*/
+
+#if defined(ARDUINO_ARCH_ESP8266) || defined(ARDUINO_ARCH_ESP32)
+
+#pragma once
+
+#if defined(ARDUINO_ARCH_ESP32)
+  #include "freertos/FreeRTOS.h"
+  #include <AsyncTCP.h>
+#elif defined(ARDUINO_ARCH_ESP8266)
+  #include <ESPAsyncTCP.h>
+#endif
+
+#include "Transport.h"
+#include "../Config.h"
+#include "../Logging.h"
+
+namespace espMqttClientInternals {
+
+class ClientAsync : public Transport {
+ public:
+  ClientAsync();
+  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;
+  bool disconnected() override;
+
+  AsyncClient client;
+  size_t availableData;
+  uint8_t* bufData;
+};
+
+}  // namespace espMqttClientInternals
+
+#endif

lib/espMqttClient/src/Transport/ClientPosix.cpp

@@ -0,0 +1,98 @@
+/*
+Copyright (c) 2022 Bert Melis. All rights reserved.
+
+This work is licensed under the terms of the MIT license.  
+For a copy, see <https://opensource.org/licenses/MIT> or
+the LICENSE file.
+*/
+
+#include "ClientPosix.h"
+
+#if defined(__linux__)
+
+namespace espMqttClientInternals {
+
+ClientPosix::ClientPosix()
+: _sockfd(-1)
+, _host() {
+  // empty
+}
+
+ClientPosix::~ClientPosix() {
+  ClientPosix::stop();
+}
+
+bool ClientPosix::connect(IPAddress ip, uint16_t port) {
+  if (connected()) stop();
+
+  _sockfd = ::socket(AF_INET, SOCK_STREAM, 0);
+  if (_sockfd < 0) {
+    emc_log_e("Error %d opening socket", errno);
+  }
+
+  int flag = 1;
+  if (setsockopt(_sockfd, IPPROTO_TCP, TCP_NODELAY, &flag, sizeof(int)) < 0) {
+    emc_log_e("Error %d disabling nagle", errno);
+  }
+
+  memset(&_host, 0, sizeof(_host));
+  _host.sin_family = AF_INET;
+  _host.sin_addr.s_addr = htonl(uint32_t(ip));
+  _host.sin_port = ::htons(port);
+
+  int ret = ::connect(_sockfd, (struct sockaddr *)&_host, sizeof(_host));
+
+  if (ret < 0) {
+    emc_log_e("Error connecting: %d - (%d) %s", ret, errno, strerror(errno));
+    return false;
+  }
+
+  emc_log_i("Connected");
+  return true;
+}
+
+bool ClientPosix::connect(const char* host, uint16_t port) {
+  // tbi
+  (void) host;
+  (void) port;
+  return false;
+}
+
+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);
+  /*
+  if (ret < 0) {
+    emc_log_e("Error reading: %s", strerror(errno));
+  }
+  */
+  return ret;
+}
+
+void ClientPosix::stop() {
+  if (_sockfd >= 0) {
+    ::close(_sockfd);
+    _sockfd = -1;
+  }
+}
+
+bool ClientPosix::connected() {
+  return _sockfd >= 0;
+}
+
+bool ClientPosix::disconnected() {
+  return _sockfd < 0;
+}
+
+}  // namespace espMqttClientInternals
+
+#endif

lib/espMqttClient/src/Transport/ClientPosix.h

@@ -0,0 +1,52 @@
+/*
+Copyright (c) 2022 Bert Melis. All rights reserved.
+
+This work is licensed under the terms of the MIT license.  
+For a copy, see <https://opensource.org/licenses/MIT> or
+the LICENSE file.
+*/
+
+#pragma once
+
+#if defined(__linux__)
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <netinet/tcp.h>
+#include <netdb.h>
+
+#include "Transport.h"  // includes IPAddress
+#include "../Logging.h"
+
+#ifndef EMC_POSIX_PEEK_SIZE
+#define EMC_POSIX_PEEK_SIZE 1500
+#endif
+
+namespace espMqttClientInternals {
+
+class ClientPosix : public Transport {
+ public:
+  ClientPosix();
+  ~ClientPosix();
+  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;
+  bool disconnected() override;
+
+ protected:
+  int _sockfd;
+  struct sockaddr_in _host;
+};
+
+}  // namespace espMqttClientInternals
+
+#endif

lib/espMqttClient/src/Transport/ClientSecureSync.cpp

@@ -0,0 +1,75 @@
+/*
+Copyright (c) 2022 Bert Melis. All rights reserved.
+
+This work is licensed under the terms of the MIT license.  
+For a copy, see <https://opensource.org/licenses/MIT> or
+the LICENSE file.
+*/
+
+#if defined(ARDUINO_ARCH_ESP8266) || defined(ARDUINO_ARCH_ESP32)
+
+#include "ClientSecureSync.h"
+#include <lwip/sockets.h>  // socket options
+
+namespace espMqttClientInternals {
+
+ClientSecureSync::ClientSecureSync()
+: client() {
+  // empty
+}
+
+bool ClientSecureSync::connect(IPAddress ip, uint16_t port) {
+  bool ret = client.connect(ip, port);  // implicit conversion of return code int --> bool
+  if (ret) {
+    #if defined(ARDUINO_ARCH_ESP8266)
+    client.setNoDelay(true);
+    #elif defined(ARDUINO_ARCH_ESP32)
+    // Set TCP option directly to bypass lack of working setNoDelay for WiFiClientSecure
+    int val = true;
+    client.setSocketOption(IPPROTO_TCP, TCP_NODELAY, &val, sizeof(int));
+    #endif
+  }
+  return ret;
+}
+
+bool ClientSecureSync::connect(const char* host, uint16_t port) {
+  bool ret = client.connect(host, port);  // implicit conversion of return code int --> bool
+  if (ret) {
+    #if defined(ARDUINO_ARCH_ESP8266)
+    client.setNoDelay(true);
+    #elif defined(ARDUINO_ARCH_ESP32)
+    // Set TCP option directly to bypass lack of working setNoDelay for WiFiClientSecure
+    int val = true;
+    client.setSocketOption(IPPROTO_TCP, TCP_NODELAY, &val, sizeof(int));
+    #endif
+  }
+  return ret;
+}
+
+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);
+}
+
+void ClientSecureSync::stop() {
+  client.stop();
+}
+
+bool ClientSecureSync::connected() {
+  return client.connected();
+}
+
+bool ClientSecureSync::disconnected() {
+  return !client.connected();
+}
+
+}  // namespace espMqttClientInternals
+
+#endif

lib/espMqttClient/src/Transport/ClientSecureSync.h

@@ -0,0 +1,35 @@
+/*
+Copyright (c) 2022 Bert Melis. All rights reserved.
+
+This work is licensed under the terms of the MIT license.  
+For a copy, see <https://opensource.org/licenses/MIT> or
+the LICENSE file.
+*/
+
+#pragma once
+
+#if defined(ARDUINO_ARCH_ESP8266) || defined(ARDUINO_ARCH_ESP32)
+
+#include <WiFiClientSecure.h>  // includes IPAddress
+
+#include "Transport.h"
+
+namespace espMqttClientInternals {
+
+class ClientSecureSync : public Transport {
+ public:
+  ClientSecureSync();
+  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;
+  bool disconnected() override;
+  WiFiClientSecure client;
+};
+
+}  // namespace espMqttClientInternals
+
+#endif

lib/espMqttClient/src/Transport/ClientSync.cpp

@@ -0,0 +1,75 @@
+/*
+Copyright (c) 2022 Bert Melis. All rights reserved.
+
+This work is licensed under the terms of the MIT license.  
+For a copy, see <https://opensource.org/licenses/MIT> or
+the LICENSE file.
+*/
+
+#if defined(ARDUINO_ARCH_ESP8266) || defined(ARDUINO_ARCH_ESP32)
+
+#include "ClientSync.h"
+#include <lwip/sockets.h>  // socket options
+
+namespace espMqttClientInternals {
+
+ClientSync::ClientSync(WiFiClient* wiFiClient)
+: client(wiFiClient) {
+  // empty
+}
+
+bool ClientSync::connect(IPAddress ip, uint16_t port) {
+  bool ret = client->connect(ip, port);  // implicit conversion of return code int --> bool
+  if (ret) {
+    #if defined(ARDUINO_ARCH_ESP8266)
+    client->setNoDelay(true);
+    #elif defined(ARDUINO_ARCH_ESP32)
+    // Set TCP option directly to bypass lack of working setNoDelay for WiFiClientSecure (for consistency also here)
+    int val = true;
+    client->setSocketOption(IPPROTO_TCP, TCP_NODELAY, &val, sizeof(int));
+    #endif
+  }
+  return ret;
+}
+
+bool ClientSync::connect(const char* host, uint16_t port) {
+  bool ret = client->connect(host, port);  // implicit conversion of return code int --> bool
+  if (ret) {
+    #if defined(ARDUINO_ARCH_ESP8266)
+    client->setNoDelay(true);
+    #elif defined(ARDUINO_ARCH_ESP32)
+    // Set TCP option directly to bypass lack of working setNoDelay for WiFiClientSecure (for consistency also here)
+    int val = true;
+    client->setSocketOption(IPPROTO_TCP, TCP_NODELAY, &val, sizeof(int));
+    #endif
+  }
+  return ret;
+}
+
+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);
+}
+
+void ClientSync::stop() {
+  client->stop();
+}
+
+bool ClientSync::connected() {
+  return client->connected();
+}
+
+bool ClientSync::disconnected() {
+  return !client->connected();
+}
+
+}  // namespace espMqttClientInternals
+
+#endif

lib/espMqttClient/src/Transport/ClientSync.h

@@ -0,0 +1,35 @@
+/*
+Copyright (c) 2022 Bert Melis. All rights reserved.
+
+This work is licensed under the terms of the MIT license.  
+For a copy, see <https://opensource.org/licenses/MIT> or
+the LICENSE file.
+*/
+
+#pragma once
+
+#if defined(ARDUINO_ARCH_ESP8266) || defined(ARDUINO_ARCH_ESP32)
+
+#include <WiFiClient.h>  // includes IPAddress
+
+#include "Transport.h"
+
+namespace espMqttClientInternals {
+
+class ClientSync : public Transport {
+ public:
+  ClientSync(WiFiClient* wiFiClient);
+  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;
+  bool disconnected() override;
+  WiFiClient* client;
+};
+
+}  // namespace espMqttClientInternals
+
+#endif

lib/espMqttClient/src/Transport/ClientSyncEthernet.cpp

@@ -0,0 +1,79 @@
+/*
+Copyright (c) 2022 Bert Melis. All rights reserved.
+
+This work is licensed under the terms of the MIT license.  
+For a copy, see <https://opensource.org/licenses/MIT> or
+the LICENSE file.
+*/
+
+#if defined(ARDUINO_ARCH_ESP8266) || defined(ARDUINO_ARCH_ESP32)
+
+#include "ClientSyncEthernet.h"
+#include <lwip/sockets.h>  // socket options
+
+namespace espMqttClientInternals {
+
+    ClientSyncEthernet::ClientSyncEthernet(EthernetClient* ethernetClient)
+            : client(ethernetClient) {
+        // empty
+    }
+
+    bool ClientSyncEthernet::connect(IPAddress ip, uint16_t port) {
+        bool ret = client->connect(ip, port);  // implicit conversion of return code int --> bool
+        if (ret) {
+#if defined(ARDUINO_ARCH_ESP8266)
+            client->setNoDelay(true);
+#elif defined(ARDUINO_ARCH_ESP32)
+            // Set TCP option directly to bypass lack of working setNoDelay for WiFiClientSecure (for consistency also here)
+            int val = true;
+
+            // TODO
+//            client->setSocketOption(IPPROTO_TCP, TCP_NODELAY, &val, sizeof(int));
+#endif
+        }
+        return ret;
+    }
+
+    bool ClientSyncEthernet::connect(const char* host, uint16_t port) {
+        bool ret = client->connect(host, port);  // implicit conversion of return code int --> bool
+        if (ret) {
+#if defined(ARDUINO_ARCH_ESP8266)
+            client->setNoDelay(true);
+#elif defined(ARDUINO_ARCH_ESP32)
+            // Set TCP option directly to bypass lack of working setNoDelay for WiFiClientSecure (for consistency also here)
+            int val = true;
+
+            // TODO
+//            client->setSocketOption(IPPROTO_TCP, TCP_NODELAY, &val, sizeof(int));
+#endif
+        }
+        return ret;
+    }
+
+    size_t ClientSyncEthernet::write(const uint8_t* buf, size_t size) {
+        return client->write(buf, size);
+    }
+
+    int ClientSyncEthernet::available() {
+        return client->available();
+    }
+
+    int ClientSyncEthernet::read(uint8_t* buf, size_t size) {
+        return client->read(buf, size);
+    }
+
+    void ClientSyncEthernet::stop() {
+        client->stop();
+    }
+
+    bool ClientSyncEthernet::connected() {
+        return client->connected();
+    }
+
+    bool ClientSyncEthernet::disconnected() {
+        return !client->connected();
+    }
+
+}  // namespace espMqttClientInternals
+
+#endif

lib/espMqttClient/src/Transport/ClientSyncEthernet.h

@@ -0,0 +1,26 @@
+#pragma once
+
+#if defined(ARDUINO_ARCH_ESP8266) || defined(ARDUINO_ARCH_ESP32)
+
+#include "Transport.h"
+#include "EthernetClient.h"
+
+namespace espMqttClientInternals {
+
+    class ClientSyncEthernet : public Transport {
+    public:
+        ClientSyncEthernet(EthernetClient* ethernetClient);
+        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;
+        bool disconnected() override;
+        EthernetClient* client;
+    };
+
+}  // namespace espMqttClientInternals
+
+#endif

lib/espMqttClient/src/Transport/IPAddress.cpp

@@ -0,0 +1,32 @@
+/*
+Copyright (c) 2022 Bert Melis. All rights reserved.
+
+This work is licensed under the terms of the MIT license.  
+For a copy, see <https://opensource.org/licenses/MIT> or
+the LICENSE file.
+*/
+
+#if defined(__linux__)
+
+#include "IPAddress.h"
+
+IPAddress::IPAddress()
+: _address(0) {
+  // empty
+}
+
+IPAddress::IPAddress(uint8_t p0, uint8_t p1, uint8_t p2, uint8_t p3)
+: _address(0) {
+  _address = (uint32_t)p0 << 24 | (uint32_t)p1 << 16 | (uint32_t)p2 << 8 | p3;
+}
+
+IPAddress::IPAddress(uint32_t address)
+: _address(address) {
+  // empty
+}
+
+IPAddress::operator uint32_t() {
+  return _address;
+}
+
+#endif

lib/espMqttClient/src/Transport/IPAddress.h

@@ -0,0 +1,28 @@
+/*
+Copyright (c) 2022 Bert Melis. All rights reserved.
+
+This work is licensed under the terms of the MIT license.  
+For a copy, see <https://opensource.org/licenses/MIT> or
+the LICENSE file.
+*/
+
+#pragma once
+
+#if defined(ARDUINO)
+  #include <IPAddress.h>
+#else
+
+#include <stdint.h>
+
+class IPAddress {
+ public:
+  IPAddress();
+  IPAddress(uint8_t p0, uint8_t p1, uint8_t p2, uint8_t p3);
+  explicit IPAddress(uint32_t address);
+  operator uint32_t();
+
+ protected:
+  uint32_t _address;
+};
+
+#endif

lib/espMqttClient/src/Transport/Transport.h

@@ -0,0 +1,29 @@
+/*
+Copyright (c) 2022 Bert Melis. All rights reserved.
+
+This work is licensed under the terms of the MIT license.  
+For a copy, see <https://opensource.org/licenses/MIT> or
+the LICENSE file.
+*/
+
+#pragma once
+
+#include <stddef.h>  // size_t
+
+#include "IPAddress.h"
+
+namespace espMqttClientInternals {
+
+class Transport {
+ public:
+  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;
+  virtual bool disconnected() = 0;
+};
+
+}  // namespace espMqttClientInternals