Add TCP connection

Peter M. Groen
1 parent a576ff0b
Showing 4 changed files with 42 additions and 45 deletions
src/CMakeLists.txt
src/modbus.cpp → src/modbusbase.cpp
src/modbus.h → src/modbusbase.h
src/modbustcp.h
@@ -12,8 +12,8 @@ include_directories(
  
 set(SRC_LIST
     ${CMAKE_CURRENT_SOURCE_DIR}/imodbusport.h
-    ${CMAKE_CURRENT_SOURCE_DIR}/modbus.h
-    ${CMAKE_CURRENT_SOURCE_DIR}/modbus.cpp
+    ${CMAKE_CURRENT_SOURCE_DIR}/modbusbase.h
+    ${CMAKE_CURRENT_SOURCE_DIR}/modbusbase.cpp
     ${CMAKE_CURRENT_SOURCE_DIR}/modbustcp.h
     ${CMAKE_CURRENT_SOURCE_DIR}/modbustcp.cpp
     ${CMAKE_CURRENT_SOURCE_DIR}/modbusrtu.h
@@ -5,7 +5,7 @@
  *  LICENSE file in the root directory of this source tree.
  */
  
-#include "modbus.h"
+#include "modbusbase.h"
  
 using namespace osdev::components::modbus;
  
@@ -352,21 +352,6 @@ int ModbusBase::modbusWrite(uint16_t address, uint16_t amount, int function_code
     return status;
 }
  
-ssize_t ModbusBase::modbusSend(uint8_t *to_send, size_t length)
-{
-    (void)to_send;
-    (void)length;
-
-    return 0;
-}
-
-ssize_t ModbusBase::modbusReceive(uint8_t *buffer) const
-{
-    (void)buffer;
-
-    return 0;
-}
-
 void ModbusBase::modbusErrorHandle(const uint8_t *msg, int function_code)
 {
     (void)msg;
@@ -50,15 +50,30 @@ namespace components {
 namespace modbus {
  
 // Modbus base class. Providing all Modbus PDUs without transport implementation
-class Modbus
+class ModbusBase
 {
 public:
-    Modbus();
-    virtual ~Modbus();
+    ModbusBase();
+    virtual ~ModbusBase();
  
     // Pure virtuals. Override when inherited.
     virtual bool Connect() = 0;
-    virtual void Close() = 0;
+    virtual bool Close() = 0;
+
+    /*!
+     * \brief modbusSend
+     * \param to_send
+     * \param length
+     * \return
+     */
+    virtual ssize_t     modbusSend(uint8_t *to_send, size_t length) = 0;
+
+    /*!
+     * \brief modbusReceive
+     * \param buffer
+     * \return
+     */
+    virtual ssize_t     modbusReceive(uint8_t *buffer) = 0;
  
     // Modbus implementation(s)
     /*!
@@ -173,21 +188,6 @@ private:        // Methods
     int                 modbusWrite(uint16_t address, uint16_t amount, int function_code, const uint16_t *value);
  
     /*!
-     * \brief modbusSend
-     * \param to_send
-     * \param length
-     * \return
-     */
-    virtual ssize_t     modbusSend(uint8_t *to_send, size_t length) = 0;
-
-    /*!
-     * \brief modbusReceive
-     * \param buffer
-     * \return
-     */
-    virtual ssize_t     modbusReceive(uint8_t *buffer) const = 0;
-
-    /*!
      * \brief modbusErrorHandle
      * \param msg
      * \param function_code
@@ -6,7 +6,8 @@
  */
 #pragma once
  
-#include "imodbusport.h"
+#include "modbusbase.h"
+#include "connectionconfig.h"
  
 #include <unistd.h>
 #include <sys/socket.h>
@@ -21,18 +22,29 @@ using X_SOCKET = int;
 using SOCKADDR = struct sockaddr;
 using SOCKADDR_IN = struct sockaddr_in;
  
-class ModbusTcp : public IModbusPort
+class ModbusTcp : public ModbusBase
 {
 public:
     explicit ModbusTcp(const ConnectionConfig &con_config);
     virtual ~ModbusTcp() {}
  
-    // The standard device interface.
-    // Implementation of IModbusPort
-    virtual bool Open() const override;
-    virtual bool Close() const override;
-    virtual int Read(uint8_t *buffer) const override;
-    virtual int Write(uint8_t *buffer, size_t length) const override;
+    virtual bool Connect() override;
+    virtual bool Close() override;
+
+    /*!
+     * \brief modbusSend
+     * \param to_send
+     * \param length
+     * \return
+     */
+    virtual ssize_t mmodbusSend(uint8_t *to_send, size_t length) override;
+
+    /*!
+     * \brief modbusReceive
+     * \param buffer
+     * \return
+     */
+    virtual ssize_t modbusReceive(uint8_t *buffer) const override;
  
 private:
     uint16_t        m_port {502};