Feature/support multiple clients (#271)

* Implementing better C++ eRPC support

Signed-off-by: Cervenka Dusan <cervenka@acrios.com>

* Moving C interface related function declarations into interface header file.

Signed-off-by: Cervenka Dusan <cervenka@acrios.com>

* Move C generated code into it's own files.

Signed-off-by: Cervenka Dusan <cervenka@acrios.com>

* Many C++ minor fixes

Signed-off-by: Cervenka Dusan <cervenka@acrios.com>

* C support multiple clients

Signed-off-by: Cervenka Dusan <cervenka@acrios.com>

* Tests can be built.

Signed-off-by: Cervenka Dusan <cervenka@acrios.com>

* Fixed infinity loops in tests (c++ vs c scope)

Signed-off-by: Cervenka Dusan <cervenka@acrios.com>

* test_callbacks works

Signed-off-by: Cervenka Dusan <cervenka@acrios.com>

* test_arbitrator is working now

Signed-off-by: Cervenka Dusan <cervenka@acrios.com>

* Many minor code improvements.

Signed-off-by: Cervenka Dusan <cervenka@acrios.com>

* Namespace can be defined by user. Default erpcshim

Signed-off-by: Cervenka Dusan <cervenka@acrios.com>

* Putting function declaration under interface.

Signed-off-by: Cervenka Dusan <cervenka@acrios.com>

* Refactored code

Signed-off-by: Cervenka Dusan <cervenka@acrios.com>

* Fixed yml tests.

Signed-off-by: Cervenka Dusan <cervenka@acrios.com>

* Added c++ enum classes

Signed-off-by: Cervenka Dusan <cervenka@acrios.com>

* Change based on PR review

Signed-off-by: Cervenka Dusan <cervenka@acrios.com>

* Revert "Added c++ enum classes"

This reverts commit d5acf06.

Signed-off-by: Cervenka Dusan <cervenka@acrios.com>

* Fixes based on Michal observations

Signed-off-by: Cervenka Dusan <cervenka@acrios.com>

* Fix wrong name in server function call

Signed-off-by: Cervenka Dusan <cervenka@acrios.com>

---------

Signed-off-by: Cervenka Dusan <cervenka@acrios.com>
Co-authored-by: Michal Princ <michal.princ@nxp.com>

Author: Hadatko

.clang-format

@@ -63,7 +63,7 @@ BraceWrapping:
   AfterUnion: true
   BeforeCatch: true
   BeforeElse: true
-#IncludeBlocks: "Preserve" # for future version of clang
+IncludeBlocks: "Preserve" # for future version of clang
 IncludeCategories:
   - Regex: "^<" # system includes
     Priority: 10

erpc_c/Makefile

@@ -60,6 +60,7 @@ SOURCES += 	$(ERPC_C_ROOT)/infra/erpc_arbitrated_client_manager.cpp \
 			$(ERPC_C_ROOT)/infra/erpc_server.cpp \
 			$(ERPC_C_ROOT)/infra/erpc_simple_server.cpp \
 			$(ERPC_C_ROOT)/infra/erpc_transport_arbitrator.cpp \
+			$(ERPC_C_ROOT)/infra/erpc_utils.cpp \
 			$(ERPC_C_ROOT)/infra/erpc_pre_post_action.cpp \
 			$(ERPC_C_ROOT)/port/erpc_port_stdlib.cpp \
 			$(ERPC_C_ROOT)/port/erpc_threading_pthreads.cpp \
@@ -93,6 +94,7 @@ HEADERS += 	$(ERPC_C_ROOT)/config/erpc_config.h \
 			$(ERPC_C_ROOT)/infra/erpc_static_queue.hpp \
 			$(ERPC_C_ROOT)/infra/erpc_transport_arbitrator.hpp \
 			$(ERPC_C_ROOT)/infra/erpc_transport.hpp \
+			$(ERPC_C_ROOT)/infra/erpc_utils.hpp \
 			$(ERPC_C_ROOT)/infra/erpc_client_server_common.hpp \
 			$(ERPC_C_ROOT)/infra/erpc_pre_post_action.h \
 			$(ERPC_C_ROOT)/port/erpc_setup_extensions.h \

erpc_c/infra/erpc_arbitrated_client_manager.hpp

@@ -63,7 +63,7 @@ class ArbitratedClientManager : public ClientManager
      *
      * @return TransportArbitrator * Transport arbitrator instance.
      */
-    TransportArbitrator *getArbitrator(void) { return m_arbitrator; };
+    TransportArbitrator * getArbitrator(void) { return m_arbitrator; };
 
 protected:
     TransportArbitrator *m_arbitrator; //!< Optional transport arbitrator. May be NULL.

erpc_c/infra/erpc_basic_codec.cpp

@@ -161,37 +161,6 @@ void BasicCodec::writeNullFlag(bool isNull)
     write(static_cast<uint8_t>(isNull ? null_flag_t::kIsNull : null_flag_t::kNotNull));
 }
 
-void BasicCodec::writeCallback(arrayOfFunPtr callbacks, uint8_t callbacksCount, funPtr callback)
-{
-    uint8_t i;
-
-    erpc_assert(callbacksCount > 1U);
-
-    // callbacks = callbacks table
-    for (i = 0; i < callbacksCount; i++)
-    {
-        if (callbacks[i] == callback)
-        {
-            write(i);
-            break;
-        }
-        if ((i + 1U) == callbacksCount)
-        {
-            updateStatus(kErpcStatus_UnknownCallback);
-        }
-    }
-}
-
-void BasicCodec::writeCallback(funPtr callback1, funPtr callback2)
-{
-    // callbacks = callback directly
-    // When declared only one callback function no serialization is needed.
-    if (callback1 != callback2)
-    {
-        updateStatus(kErpcStatus_UnknownCallback);
-    }
-}
-
 void BasicCodec::startReadMessage(message_type_t &type, uint32_t &service, uint32_t &request, uint32_t &sequence)
 {
     uint32_t header;
@@ -396,34 +365,6 @@ void BasicCodec::readNullFlag(bool &isNull)
     }
 }
 
-void BasicCodec::readCallback(arrayOfFunPtr callbacks, uint8_t callbacksCount, funPtr *callback)
-{
-    uint8_t _tmp_local;
-
-    erpc_assert(callbacksCount > 1U);
-
-    // callbacks = callbacks table
-    read(_tmp_local);
-    if (isStatusOk())
-    {
-        if (_tmp_local < callbacksCount)
-        {
-            *callback = callbacks[_tmp_local];
-        }
-        else
-        {
-            *callback = NULL;
-            m_status = kErpcStatus_UnknownCallback;
-        }
-    }
-}
-
-void BasicCodec::readCallback(funPtr callbacks1, funPtr *callback2)
-{
-    // callbacks = callback directly
-    *callback2 = callbacks1;
-}
-
 ERPC_MANUALLY_CONSTRUCTED_ARRAY_STATIC(BasicCodec, s_basicCodecManual, ERPC_CODEC_COUNT);
 
 Codec *BasicCodecFactory::create(void)

erpc_c/infra/erpc_basic_codec.hpp

@@ -189,23 +189,6 @@ class BasicCodec : public Codec
      * @param[in] isNull Null flag to send.
      */
     virtual void writeNullFlag(bool isNull) override;
-
-    /*!
-     * @brief Writes an order ID of callback function.
-     *
-     * @param[in] callbacks Pointer to array of callbacks.
-     * @param[in] callbacksCount Size of array of callbacks.
-     * @param[in] callback Callback which ID should be serialized.
-     */
-    virtual void writeCallback(arrayOfFunPtr callbacks, uint8_t callbacksCount, funPtr callback) override;
-
-    /*!
-     * @brief Writes an order ID of callback function.
-     *
-     * @param[in] callback1 Pointer to existing callback.
-     * @param[out] callback2 Callback which ID should be serialized.
-     */
-    virtual void writeCallback(funPtr callback1, funPtr callback2) override;
     //@}
 
     //! @name Decoding
@@ -350,23 +333,6 @@ class BasicCodec : public Codec
      * @param[in] isNull Null flag to read.
      */
     virtual void readNullFlag(bool &isNull) override;
-
-    /*!
-     * @brief Read an callback function id and return address of callback function.
-     *
-     * @param[in] callbacks Pointer to array of callbacks.
-     * @param[in] callbacksCount Size of array of callbacks.
-     * @param[out] callback Callback which is deserialized. Null in case of error.
-     */
-    virtual void readCallback(arrayOfFunPtr callbacks, uint8_t callbacksCount, funPtr *callback) override;
-
-    /*!
-     * @brief Read an callback function id and return address of callback function.
-     *
-     * @param[in] callback1 Pointer to existing callback.
-     * @param[out] callback2 Callback which is deserialized.
-     */
-    virtual void readCallback(funPtr callbacks1, funPtr *callback2) override;
     //@}
 };
 

erpc_c/infra/erpc_client_manager.h

@@ -25,6 +25,8 @@
  */
 
 extern "C" {
+#else
+#include "erpc_common.h"
 #endif
 
 typedef void (*client_error_handler_t)(erpc_status_t err,

erpc_c/infra/erpc_client_server_common.hpp

@@ -10,8 +10,8 @@
 #ifndef _EMBEDDED_RPC__CLIENTSERVERCOMMON_H_
 #define _EMBEDDED_RPC__CLIENTSERVERCOMMON_H_
 
-#include "erpc_config_internal.h"
 #include "erpc_codec.hpp"
+#include "erpc_config_internal.h"
 #if ERPC_MESSAGE_LOGGING
 #include "erpc_message_loggers.hpp"
 #endif
@@ -66,7 +66,7 @@ class ClientServerCommon
 #endif
 #if ERPC_MESSAGE_LOGGING
 #ifdef ERPC_OTHER_INHERITANCE
-        ,
+    ,
 #else
 #define ERPC_OTHER_INHERITANCE 1
     :
@@ -75,20 +75,23 @@ class ClientServerCommon
 #endif
 #if ERPC_PRE_POST_ACTION
 #ifdef ERPC_OTHER_INHERITANCE
-            ,
+    ,
 #else
 #define ERPC_OTHER_INHERITANCE 1
     :
 #endif
         PrePostAction()
 #endif
 #ifdef ERPC_OTHER_INHERITANCE
-            ,
+    ,
 #else
 #define ERPC_OTHER_INHERITANCE 1
     :
 #endif
-        m_messageFactory(NULL), m_codecFactory(NULL), m_transport(NULL){};
+    m_messageFactory(NULL)
+    , m_codecFactory(NULL)
+    , m_transport(NULL)
+            {};
 
     /*!
      * @brief ClientServerCommon destructor

erpc_c/infra/erpc_codec.hpp

@@ -15,8 +15,8 @@
 #include "erpc_message_buffer.hpp"
 #include "erpc_transport.hpp"
 
+#include <cstdint>
 #include <cstring>
-#include <stdint.h>
 
 /*!
  * @addtogroup infra_codec
@@ -257,23 +257,6 @@ class Codec
      * @param[in] isNull Null flag to send.
      */
     virtual void writeNullFlag(bool isNull) = 0;
-
-    /*!
-     * @brief Writes an order ID of callback function.
-     *
-     * @param[in] callbacks Pointer to array of callbacks.
-     * @param[in] callbacksCount Size of array of callbacks.
-     * @param[in] callback Callback which ID should be serialized.
-     */
-    virtual void writeCallback(arrayOfFunPtr callbacks, uint8_t callbacksCount, funPtr callback) = 0;
-
-    /*!
-     * @brief Writes an order ID of callback function.
-     *
-     * @param[in] callback1 Pointer to existing callback.
-     * @param[out] callback2 Callback which ID should be serialized.
-     */
-    virtual void writeCallback(funPtr callback1, funPtr callback2) = 0;
     //@}
 
     //! @name Decoding
@@ -410,23 +393,6 @@ class Codec
      */
     virtual void readNullFlag(bool &isNull) = 0;
 
-    /*!
-     * @brief Read an callback function id and return address of callback function.
-     *
-     * @param[in] callbacks Pointer to array of callbacks.
-     * @param[in] callbacksCount Size of array of callbacks.
-     * @param[out] callback Callback which is deserialized. Null in case of error.
-     */
-    virtual void readCallback(arrayOfFunPtr callbacks, uint8_t callbacksCount, funPtr *callback) = 0;
-
-    /*!
-     * @brief Read an callback function id and return address of callback function.
-     *
-     * @param[in] callback1 Pointer to existing callback.
-     * @param[out] callback2 Callback which is deserialized.
-     */
-    virtual void readCallback(funPtr callbacks1, funPtr *callback2) = 0;
-
 protected:
     MessageBuffer m_buffer;         /*!< Message buffer object */
     MessageBuffer::Cursor m_cursor; /*!< Copy data to message buffers. */

erpc_c/infra/erpc_framed_transport.hpp

@@ -114,7 +114,7 @@ class FramedTransport : public Transport
      *
      * @return Crc16* Pointer to CRC-16 object containing crc-16 compute function.
      */
-    virtual Crc16 *getCrc16() override;
+    virtual Crc16 *getCrc16(void) override;
 
 protected:
     Crc16 *m_crcImpl; /*!< CRC object. */

erpc_c/infra/erpc_manually_constructed.hpp

@@ -161,7 +161,7 @@ class ManuallyConstructed
      * @brief Returns information if object is free or is used.
      *
      * @return true Object is constructed and used.
-     * @return false Object wasn't constructer or it is destructed and free.
+     * @return false Object wasn't constructed or it was destructed already.
      */
     bool isUsed(void) { return m_isConstructed; }