Integrate the J1939 features : address claiming and write.

This commit allows to write J1939 messages and add the management
of the address claiming.

Bug-AGL: SPEC-2386
Bug-AGL: SPEC-2976

Signed-off-by: Arthur Guyader <arthur.guyader@iot.bzh>
Change-Id: I1bb95a7ba6f6ebe463319c3972d9d46897181d51
Signed-off-by: Romain Forlot <romain.forlot@iot.bzh>

18 files changed, 1195 insertions, 112 deletions

diff --git a/conf.d/cmake/config.cmake b/conf.d/cmake/config.cmake
index e6da31a0..f6573671 100644
--- a/conf.d/cmake/config.cmake
+++ b/conf.d/cmake/config.cmake
@@ -53,6 +53,9 @@ else()
 	message("Feature J1939 enabled")
 	set(WITH_FEATURE_J1939 ON)
 	add_definitions(-DUSE_FEATURE_J1939)
+	# Define name for ECU
+	set(J1939_NAME_ECU 0x1239)
+	add_definitions(-DJ1939_NAME_ECU=${J1939_NAME_ECU})
 endif()
 
 # Kernel selection if needed. You can choose between a
diff --git a/low-can-binding/CMakeLists.txt b/low-can-binding/CMakeLists.txt
index 71e467d1..63ed99cc 100644
--- a/low-can-binding/CMakeLists.txt
+++ b/low-can-binding/CMakeLists.txt
@@ -51,7 +51,9 @@ PROJECT_TARGET_ADD(low-can)
 	if(WITH_FEATURE_J1939)
 		set(SOURCES_J1939
 			can/message/j1939-message.cpp
-			utils/socketcan-j1939.cpp
+			utils/socketcan-j1939/socketcan-j1939.cpp
+			utils/socketcan-j1939/socketcan-j1939-data.cpp
+			utils/socketcan-j1939/socketcan-j1939-addressclaiming.cpp
 		)
 	endif()
 
diff --git a/low-can-binding/binding/application.cpp b/low-can-binding/binding/application.cpp
index f0f008c5..d93bf0cf 100644
--- a/low-can-binding/binding/application.cpp
+++ b/low-can-binding/binding/application.cpp
@@ -154,3 +154,22 @@ bool application_t::isEngineOn()
 
 	return engine_on;
 }
+
+#ifdef USE_FEATURE_J1939
+std::shared_ptr<utils::socketcan_t> application_t::get_socket_address_claiming()
+{
+	return subscription_address_claiming_->get_socket();
+}
+
+std::shared_ptr<low_can_subscription_t> application_t::get_subscription_address_claiming()
+{
+	return subscription_address_claiming_;
+}
+
+
+void application_t::set_subscription_address_claiming(std::shared_ptr<low_can_subscription_t> new_subscription)
+{
+	subscription_address_claiming_ = new_subscription;
+}
+
+#endif
\ No newline at end of file
diff --git a/low-can-binding/binding/application.hpp b/low-can-binding/binding/application.hpp
index b73ace71..a5d2285c 100644
--- a/low-can-binding/binding/application.hpp
+++ b/low-can-binding/binding/application.hpp
@@ -26,6 +26,10 @@
 #include "../can/message-set.hpp"
 #include "../can/signals.hpp"
 #include "../diagnostic/diagnostic-manager.hpp"
+#ifdef USE_FEATURE_J1939
+	#include "../utils/socketcan-j1939/socketcan-j1939-data.hpp"
+	#include "../utils/socketcan-j1939/socketcan-j1939-addressclaiming.hpp"
+#endif
 
 ///
 /// @brief Class represents a configuration attached to the binding.
@@ -48,7 +52,10 @@ class application_t
 		std::vector<std::shared_ptr<message_set_t> > message_set_; ///< Vector holding all message set from JSON signals description file
 
 		std::map<std::string, std::shared_ptr<low_can_subscription_t> > can_devices_; ///< Map containing all independant opened CAN sockets, key is the socket int value.
-
+#ifdef USE_FEATURE_J1939
+		std::shared_ptr<low_can_subscription_t> subscription_address_claiming_; ///< Subscription holding the socketcan J1939 which is in charge of handling the address claiming protocol
+		//std::shared_ptr<utils::socketcan_j1939_addressclaiming_t> socket_address_claiming_;
+#endif
 		application_t(); ///< Private constructor with implementation generated by the AGL generator.
 
 	public:
@@ -84,6 +91,13 @@ class application_t
 
 		void set_active_message_set(uint8_t id);
 
+#ifdef USE_FEATURE_J1939
+		std::shared_ptr<utils::socketcan_t> get_socket_address_claiming();
+
+		std::shared_ptr<low_can_subscription_t> get_subscription_address_claiming();
+
+		void set_subscription_address_claiming(std::shared_ptr<low_can_subscription_t> new_subscription);
+#endif
 /*
 		/// TODO: implement this function as method into can_bus class
 		/// @brief Pre initialize actions made before CAN bus initialization
diff --git a/low-can-binding/binding/low-can-cb.cpp b/low-can-binding/binding/low-can-cb.cpp
index 9c21b675..5fdd961e 100644
--- a/low-can-binding/binding/low-can-cb.cpp
+++ b/low-can-binding/binding/low-can-cb.cpp
@@ -26,7 +26,6 @@
 #include <thread>
 #include <wrap-json.h>
 #include <systemd/sd-event.h>
-
 #include "openxc.pb.h"
 #include "application.hpp"
 #include "../can/can-encoder.hpp"
@@ -37,6 +36,10 @@
 #include "../diagnostic/diagnostic-message.hpp"
 #include "../utils/openxc-utils.hpp"
 
+#ifdef USE_FEATURE_J1939
+	#include "../can/message/j1939-message.hpp"
+	#include <linux/can/j1939.h>
+#endif
 ///******************************************************************************
 ///
 ///		SystemD event loop Callbacks
@@ -82,18 +85,27 @@ static void push_n_notify(std::shared_ptr<message_t> m)
 
 int read_message(sd_event_source *event_source, int fd, uint32_t revents, void *userdata)
 {
+
 	low_can_subscription_t* can_subscription = (low_can_subscription_t*)userdata;
 
 
 	if ((revents & EPOLLIN) != 0)
 	{
-		std::shared_ptr<utils::socketcan_t> s = can_subscription->get_socket();
-		std::shared_ptr<message_t> message = s->read_message();
-
-		// Sure we got a valid CAN message ?
-		if (! message->get_id() == 0 && ! message->get_length() == 0)
+		utils::signals_manager_t& sm = utils::signals_manager_t::instance();
+		std::lock_guard<std::mutex> subscribed_signals_lock(sm.get_subscribed_signals_mutex());
+		if(can_subscription->get_index() != -1)
 		{
-			push_n_notify(message);
+			std::shared_ptr<utils::socketcan_t> s = can_subscription->get_socket();
+			if(s->socket() && s->socket() != -1)
+			{
+				std::shared_ptr<message_t> message = s->read_message();
+
+				// Sure we got a valid CAN message ?
+				if (! message->get_id() == 0 && ! message->get_length() == 0 && message->get_msg_format() != message_format_t::INVALID)
+				{
+					push_n_notify(message);
+				}
+			}
 		}
 	}
 
@@ -164,8 +176,8 @@ static int subscribe_unsubscribe_signal(afb_req_t request,
 
 	if( (ret = s[sub_index]->unsubscribe(request)) < 0)
 		return ret;
+	s.find(sub_index)->second->set_index(-1);
 	s.erase(sub_index);
-
 	return ret;
 }
 
@@ -227,7 +239,9 @@ static int subscribe_unsubscribe_diagnostic_messages(afb_req_t request,
 		else
 		{
 			if(sig->get_supported())
-			{AFB_DEBUG("%s cancelled due to unsubscribe", sig->get_name().c_str());}
+			{
+				AFB_DEBUG("%s cancelled due to unsubscribe", sig->get_name().c_str());
+			}
 			else
 			{
 				AFB_WARNING("signal: %s isn't supported. Canceling operation.", sig->get_name().c_str());
@@ -240,7 +254,6 @@ static int subscribe_unsubscribe_diagnostic_messages(afb_req_t request,
 
 		rets++;
 	}
-
 	return rets;
 }
 
@@ -493,6 +506,10 @@ static int send_frame(struct canfd_frame& cfd, const std::string& bus_name, sock
 	{
 		return low_can_subscription_t::tx_send(*cd[bus_name], cfd, bus_name);
 	}
+	else if(type == socket_type::J1939)
+	{
+		return low_can_subscription_t::j1939_send(*cd[bus_name], cfd, bus_name);
+	}
 	else{
 		return -1;
 	}
@@ -517,6 +534,12 @@ static int send_message(message_t *message, const std::string& bus_name, socket_
 	{
 		return low_can_subscription_t::tx_send(*cd[bus_name], message, bus_name);
 	}
+#ifdef USE_FEATURE_J1939
+	else if(type == socket_type::J1939)
+	{
+		return low_can_subscription_t::j1939_send(*cd[bus_name], message, bus_name);
+	}
+#endif
 	else
 	{
 		return -1;
@@ -548,6 +571,10 @@ static void write_raw_frame(afb_req_t request, const std::string& bus_name, mess
 		{
 			afb_req_fail(request, "Invalid", "Data array must hold 1 to 8 values.");
 		}
+		else if(type == socket_type::J1939)
+		{
+			afb_req_fail(request, "Invalid", "Data array too large");
+		}
 		else
 		{
 			afb_req_fail(request, "Invalid", "Invalid socket type");
@@ -583,6 +610,16 @@ static void write_frame(afb_req_t request, const std::string& bus_name, json_obj
 		message = new can_message_t(CANFD_MAX_DLEN,(uint32_t)id,(uint32_t)length,message_format_t::STANDARD,false,0,data,0);
 		write_raw_frame(request,bus_name,message,can_data,socket_type::BCM);
 	}
+#ifdef USE_FEATURE_J1939
+	else if(!wrap_json_unpack(json_value, "{si, si, so !}",
+			      "pgn", &id,
+			      "length", &length,
+			      "data", &can_data))
+	{
+		message = new j1939_message_t(J1939_MAX_DLEN,(uint32_t)length,message_format_t::J1939,data,0,J1939_NO_NAME,(pgn_t)id,J1939_NO_ADDR);
+		write_raw_frame(request,bus_name,message,can_data,socket_type::J1939);
+	}
+#endif
 	else
 	{
 		afb_req_fail(request, "Invalid", "Frame object malformed");
@@ -800,8 +837,9 @@ void list(afb_req_t request)
 /// @return Exit code, zero if success.
 int init_binding(afb_api_t api)
 {
-	uint32_t ret = 1;
-	can_bus_t& can_bus_manager = application_t::instance().get_can_bus_manager();
+	int ret = 1;
+	application_t& application = application_t::instance();
+	can_bus_t& can_bus_manager = application.get_can_bus_manager();
 
 	can_bus_manager.set_can_devices();
 	can_bus_manager.start_threads();
@@ -829,8 +867,38 @@ int init_binding(afb_api_t api)
 		subscribe_unsubscribe_diagnostic_messages(request, true, sf.diagnostic_messages, event_filter, s, true);
 	}
 
+
+#ifdef USE_FEATURE_J1939
+	std::vector<std::shared_ptr<message_definition_t>> current_messages_definition = application.get_messages_definition();
+	for(std::shared_ptr<message_definition_t> message_definition: current_messages_definition)
+	{
+		if(message_definition->is_j1939())
+		{
+			std::shared_ptr<low_can_subscription_t> low_can_j1939 = std::make_shared<low_can_subscription_t>();
+
+			application.set_subscription_address_claiming(low_can_j1939);
+
+			ret = low_can_subscription_t::open_socket(*low_can_j1939,
+													message_definition->get_bus_device_name(),
+													socket_type::J1939_ADDR_CLAIM);
+			if(ret < 0)
+			{
+				AFB_ERROR("Error open socket address claiming for j1939 protocol");
+				return -1;
+			}
+
+//			std::shared_ptr<low_can_subscription_t> saddrclaim = application.get_subscription_address_claiming();
+
+			add_to_event_loop(low_can_j1939);
+			break;
+		}
+	}
+#endif
+
 	if(ret)
+	{
 		AFB_ERROR("There was something wrong with CAN device Initialization.");
+	}
 
 	return ret;
 }
diff --git a/low-can-binding/binding/low-can-subscription.cpp b/low-can-binding/binding/low-can-subscription.cpp
index b31fe48e..bb488887 100644
--- a/low-can-binding/binding/low-can-subscription.cpp
+++ b/low-can-binding/binding/low-can-subscription.cpp
@@ -20,9 +20,8 @@
 #include "application.hpp"
 #include "canutil/write.h"
 #include "../utils/socketcan-bcm.hpp"
-
 #ifdef USE_FEATURE_J1939
-	#include "../utils/socketcan-j1939.hpp"
+#include "../utils/socketcan-j1939/socketcan-j1939-data.hpp"
 #endif
 
 low_can_subscription_t::low_can_subscription_t()
@@ -226,40 +225,24 @@ void low_can_subscription_t::set_max(float max)
 	event_filter_.max = max;
 }
 
+void low_can_subscription_t::set_index(int index)
+{
+	index_ = index;
+}
+
 /// @brief Based upon which object is a subscribed CAN signal or diagnostic message
 /// it will open the socket with the required CAN bus device name.
 ///
 /// @return INVALID_SOCKET on failure, else positive integer
-int low_can_subscription_t::open_socket(low_can_subscription_t &subscription, const std::string& bus_name)
+int low_can_subscription_t::open_socket(low_can_subscription_t &subscription, const std::string& bus_name, socket_type type)
 {
-	int ret = 0;
+	int ret = -1;
 	if(! subscription.socket_)
 	{
-
-		#ifdef USE_FEATURE_J1939
-		if((subscription.signal_ != nullptr || !bus_name.empty()) && subscription.signal_->get_message()->is_j1939())
+		switch (type)
 		{
-			name_t name = J1939_NO_NAME;
-			pgn_t pgn = J1939_NO_PGN;
-			uint8_t addr = J1939_NO_ADDR;
-			pgn = subscription.signal_->get_message()->get_id();
-			if( subscription.signal_ != nullptr)
-			{
-				std::shared_ptr<utils::socketcan_j1939_t> socket = std::make_shared<utils::socketcan_j1939_t>();
-				ret = socket->open(subscription.signal_->get_message()->get_bus_device_name(), name, pgn, addr);
-				subscription.socket_ = socket;
-		}
-		else if ( !bus_name.empty())
+		case socket_type::BCM:
 		{
-				std::shared_ptr<utils::socketcan_j1939_t> socket = std::make_shared<utils::socketcan_j1939_t>();
-				ret = socket->open(bus_name, name, pgn, addr);
-				subscription.socket_ = socket;
-		}
-		subscription.index_ = (int)subscription.socket_->socket();
-		}
-		else
-		{
-		#endif
 			if( subscription.signal_ != nullptr)
 			{
 					subscription.socket_ = std::make_shared<utils::socketcan_bcm_t>();
@@ -276,13 +259,56 @@ int low_can_subscription_t::open_socket(low_can_subscription_t &subscription, co
 					ret = subscription.socket_->open(bus_name);
 			}
 			subscription.index_ = (int)subscription.socket_->socket();
-		#ifdef USE_FEATURE_J1939
+			break;
+		}
+#ifdef USE_FEATURE_J1939
+		case socket_type::J1939_ADDR_CLAIM:
+		{
+			pgn_t pgn = J1939_NO_PGN;
+			if(!bus_name.empty())
+			{
+				std::shared_ptr<utils::socketcan_j1939_addressclaiming_t> socket = std::make_shared<utils::socketcan_j1939_addressclaiming_t>();
+				ret = socket->open(bus_name, pgn);
+				subscription.socket_ = socket;
+			}
+			subscription.index_ = (int)subscription.socket_->socket();
+			break;
+		}
+		case socket_type::J1939:
+		{
+			pgn_t pgn = J1939_NO_PGN;
+			if(subscription.signal_ != nullptr)
+			{
+				pgn = subscription.signal_->get_message()->get_id();
+				std::shared_ptr<utils::socketcan_j1939_data_t> socket = std::make_shared<utils::socketcan_j1939_data_t>();
+				ret = socket->open(subscription.signal_->get_message()->get_bus_device_name(), pgn);
+				subscription.socket_ = socket;
+			}
+			else if(!bus_name.empty())
+			{
+				std::shared_ptr<utils::socketcan_j1939_data_t> socket = std::make_shared<utils::socketcan_j1939_data_t>();
+				ret = socket->open(bus_name, pgn);
+				subscription.socket_ = socket;
+			}
+			subscription.index_ = (int)subscription.socket_->socket();
+			break;
+		}
+#endif
+		default:
+		{
+			AFB_ERROR("Socket format not supported");
+			return INVALID_SOCKET;
+			break;
+		}
 		}
-		#endif
+	}
+	else{
+		ret = subscription.socket_->socket();
 	}
 	return ret;
 }
 
+
 /// @brief Builds a BCM message head but doesn't set can_frame.
 ///
 /// @returns a bcm_msg with the msg_head parts set and can_frame
@@ -328,7 +354,7 @@ int low_can_subscription_t::create_rx_filter_j1939(low_can_subscription_t &subsc
 	subscription.signal_= sig;
 
 	// Make sure that socket is opened.
-	if(open_socket(subscription) < 0)
+	if(open_socket(subscription,"",socket_type::J1939) < 0)
 	{
 			return -1;
 	}
@@ -421,7 +447,7 @@ int low_can_subscription_t::create_rx_filter(std::shared_ptr<diagnostic_message_
 int low_can_subscription_t::create_rx_filter_bcm(low_can_subscription_t &subscription, struct bcm_msg& bcm_msg)
 {
 	// Make sure that socket is opened.
-	if(subscription.open_socket(subscription) < 0)
+	if(subscription.open_socket(subscription,"",socket_type::BCM) < 0)
 		{return -1;}
 
 	// If it's not an OBD2 CAN ID then just add a simple RX_SETUP job
@@ -463,8 +489,10 @@ int low_can_subscription_t::tx_send(low_can_subscription_t &subscription, messag
 	canfd_frame cfd = cm->convert_to_canfd_frame();
 	subscription.add_one_bcm_frame(cfd, bcm_msg);
 
-	if(subscription.open_socket(subscription, bus_name) < 0)
-		{return -1;}
+	if(subscription.open_socket(subscription, bus_name,socket_type::BCM) < 0)
+	{
+			return -1;
+	}
 
 	cm->set_bcm_msg(bcm_msg);
 	subscription.socket_->write_message(*cm);
@@ -474,4 +502,27 @@ int low_can_subscription_t::tx_send(low_can_subscription_t &subscription, messag
 	}
 
 	return 0;
-}
\ No newline at end of file
+}
+
+#ifdef USE_FEATURE_J1939
+int low_can_subscription_t::j1939_send(low_can_subscription_t &subscription, message_t *message, const std::string& bus_name)
+{
+	//struct bcm_msg bcm_msg = subscription.make_bcm_head(TX_SEND, cfd.can_id);
+	//subscription.add_one_bcm_frame(cfd, bcm_msg);
+
+	if(subscription.open_socket(subscription, bus_name, socket_type::J1939) < 0)
+	{
+		return -1;
+	}
+
+	j1939_message_t *jm = static_cast<j1939_message_t*>(message);
+	jm->set_sockname(jm->get_pgn(),J1939_NO_NAME,J1939_NO_ADDR);
+	if(subscription.socket_->write_message(*jm) < 0)
+	{
+		AFB_ERROR("Error write j1939 message");
+		return -1;
+	}
+
+	return 0;
+}
+#endif
\ No newline at end of file
diff --git a/low-can-binding/binding/low-can-subscription.hpp b/low-can-binding/binding/low-can-subscription.hpp
index 5ea1cf17..d0462ecb 100644
--- a/low-can-binding/binding/low-can-subscription.hpp
+++ b/low-can-binding/binding/low-can-subscription.hpp
@@ -89,11 +89,12 @@ public:
 	void set_frequency(float freq);
 	void set_min(float min);
 	void set_max(float max);
+	void set_index(int index);
 
 	static struct bcm_msg make_bcm_head(uint32_t opcode, uint32_t can_id = 0, uint32_t flags = 0, const struct timeval& timeout = {0,0}, const struct timeval& frequency_thinning = {0,0});
 	static void add_one_bcm_frame(struct canfd_frame& cfd, struct bcm_msg& bcm_msg);
 
-	static int open_socket(low_can_subscription_t &subscription, const std::string& bus_name = "");
+	static int open_socket(low_can_subscription_t &subscription, const std::string& bus_name = "", socket_type type = socket_type::INVALID);
 
 	int create_rx_filter(std::shared_ptr<signal_t> sig);
 	int create_rx_filter(std::shared_ptr<diagnostic_message_t> sig);
@@ -102,4 +103,5 @@ public:
 	static int create_rx_filter_bcm(low_can_subscription_t &subscription, bcm_msg& bcm_msg);
 
 	static int tx_send(low_can_subscription_t &subscription, message_t *message, const std::string& bus_name);
+	static int j1939_send(low_can_subscription_t &subscription, message_t *message, const std::string& bus_name);
 };
diff --git a/low-can-binding/can/message/can-message.hpp b/low-can-binding/can/message/can-message.hpp
index 7625cc17..0f8bc9b5 100644
--- a/low-can-binding/can/message/can-message.hpp
+++ b/low-can-binding/can/message/can-message.hpp
@@ -18,7 +18,14 @@
 #pragma once
 #include "./message.hpp"
 
-
+struct bcm_msg
+{
+	struct bcm_msg_head msg_head;
+	union {
+		struct canfd_frame fd_frames[MAX_BCM_CAN_FRAMES];
+		struct can_frame frames[MAX_BCM_CAN_FRAMES];
+	};
+};
 
 /// @class can_message_t
 ///
diff --git a/low-can-binding/can/message/j1939-message.cpp b/low-can-binding/can/message/j1939-message.cpp
index 08fc1302..0d2320dc 100644
--- a/low-can-binding/can/message/j1939-message.cpp
+++ b/low-can-binding/can/message/j1939-message.cpp
@@ -184,16 +184,63 @@ uint32_t j1939_message_t::get_id() const
 	return get_pgn();
 }
 
-
-struct bcm_msg j1939_message_t::get_bcm_msg()
+/**
+ * @brief Return the sockname of the message
+ *
+ * @return struct sockaddr_can The sockname of the message
+ */
+struct sockaddr_can j1939_message_t::get_sockname()
 {
-    AFB_WARNING("Not implemented");
-    struct bcm_msg bcm_msg;
-    ::memset(&bcm_msg, 0, sizeof(struct bcm_msg));
-	return bcm_msg;
+    return sockname_;
 }
 
-void j1939_message_t::set_bcm_msg(struct bcm_msg bcm_msg)
+/**
+ * @brief Allows to set a sockname at a message to send it after
+ *
+ * @param sockname The sockname of the message
+ */
+void j1939_message_t::set_sockname(struct sockaddr_can sockname)
 {
-	AFB_WARNING("Not implemented");
+    sockname_ = sockname;
 }
+
+/**
+ * @brief Allows to generate a sockname for the message
+ *
+ * @param pgn The pgn for the sockname
+ * @param name The name for the sockname
+ * @param addr The address for the sockname
+ */
+void j1939_message_t::set_sockname(pgn_t pgn, name_t name, uint8_t addr)
+{
+    memset(&sockname_, 0, sizeof(sockname_));
+    sockname_.can_family = AF_CAN;
+    sockname_.can_ifindex = 0;
+
+    if(addr <= 0 || addr >= UINT8_MAX )
+    {
+        sockname_.can_addr.j1939.addr = J1939_NO_ADDR;
+    }
+    else
+    {
+        sockname_.can_addr.j1939.addr = addr;
+    }
+
+    if(name <= 0 || name >= UINT64_MAX )
+    {
+        sockname_.can_addr.j1939.name = J1939_NO_NAME;
+    }
+    else
+    {
+        sockname_.can_addr.j1939.name = name;
+    }
+
+    if(pgn <= 0 || pgn > J1939_PGN_MAX)
+    {
+        sockname_.can_addr.j1939.pgn = J1939_NO_PGN;
+    }
+    else
+    {
+        sockname_.can_addr.j1939.pgn = pgn;
+    }
+}
\ No newline at end of file
diff --git a/low-can-binding/can/message/j1939-message.hpp b/low-can-binding/can/message/j1939-message.hpp
index aad62a1f..929c8232 100644
--- a/low-can-binding/can/message/j1939-message.hpp
+++ b/low-can-binding/can/message/j1939-message.hpp
@@ -75,6 +75,7 @@ class j1939_message_t : public message_t
         bool is_set();
         std::string get_debug_message();
         uint32_t get_id() const;
-        struct bcm_msg get_bcm_msg();
-		void set_bcm_msg(struct bcm_msg bcm_msg);
+        struct sockaddr_can get_sockname();
+		void set_sockname(struct sockaddr_can sockname);
+        void set_sockname(pgn_t pgn, name_t name, uint8_t addr);
 };
diff --git a/low-can-binding/can/message/message.hpp b/low-can-binding/can/message/message.hpp
index 5be1ff18..48f4d98b 100644
--- a/low-can-binding/can/message/message.hpp
+++ b/low-can-binding/can/message/message.hpp
@@ -30,14 +30,6 @@
 
 #define MAX_BCM_CAN_FRAMES 257
 
-struct bcm_msg
-{
-	struct bcm_msg_head msg_head;
-	union {
-		struct canfd_frame fd_frames[MAX_BCM_CAN_FRAMES];
-		struct can_frame frames[MAX_BCM_CAN_FRAMES];
-	};
-};
 
 /**
  * @enum message_format_t
diff --git a/low-can-binding/utils/socketcan-j1939.hpp b/low-can-binding/utils/socketcan-j1939.hpp
deleted file mode 100644
index 2b370179..00000000
--- a/low-can-binding/utils/socketcan-j1939.hpp
+++ /dev/null
@@ -1,44 +0,0 @@
-/*
- * Copyright (C) 2018, 2019 "IoT.bzh"
- * Author "Arthur Guyader" <arthur.guyader@iot.bzh>
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *	 http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#pragma once
-
-#include <linux/can/j1939.h>
-
-#include "./socketcan.hpp"
-#include "../can/message/j1939-message.hpp"
-
-namespace utils
-{
-
-	class socketcan_j1939_t : public socketcan_t
-	{
-	public:
-		using socketcan_t::socketcan_t;
-		virtual int open(std::string device_name);
-		int open(std::string device_name,  name_t name, pgn_t pgn, uint8_t addr);
-		virtual std::shared_ptr<message_t> read_message();
-		virtual void write_message(std::shared_ptr<message_t> obj);
-		virtual void write_message(std::vector<std::shared_ptr<message_t>>& vobj);
-		virtual int write_message(message_t& obj);
-
-	private:
-		int connect(const struct sockaddr* addr, socklen_t len);
-		int bind(const struct sockaddr* addr, socklen_t len);
-		void filter(name_t name, pgn_t pgn, uint8_t addr, uint64_t name_mask=0, uint32_t pgn_mask=0, uint8_t addr_mask=0);
-	};
-}
diff --git a/low-can-binding/utils/socketcan-j1939/socketcan-j1939-addressclaiming.cpp b/low-can-binding/utils/socketcan-j1939/socketcan-j1939-addressclaiming.cpp
new file mode 100644
index 00000000..df994f59
--- /dev/null
+++ b/low-can-binding/utils/socketcan-j1939/socketcan-j1939-addressclaiming.cpp
@@ -0,0 +1,414 @@
+/*
+ * Copyright (C) 2018, 2019 "IoT.bzh"
+ * Author "Arthur Guyader" <arthur.guyader@iot.bzh>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *	 http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <unistd.h>
+#include "./socketcan-j1939-addressclaiming.hpp"
+
+namespace utils
+{
+	/**
+	 * @brief Construct a new socketcan j1939 addressclaiming t::socketcan j1939 addressclaiming t object
+	 *
+	 */
+	socketcan_j1939_addressclaiming_t::socketcan_j1939_addressclaiming_t():
+	socketcan_j1939_t(),
+	table_j1939_address_{{std::make_pair(0,false)}},
+	signal_stop_{false},
+	claiming_state_{claiming_state::INITIAL}
+	{}
+
+	/**
+	 * @brief Allows to read the claiming message and react to them
+	 *
+	 * @return std::shared_ptr<message_t> Return an INVALID j1939 message because no need of return (only signature of the function)
+	 */
+	std::shared_ptr<message_t> socketcan_j1939_addressclaiming_t::read_message()
+	{
+		AFB_DEBUG("[socketcan_j1939_addressclaiming_t] read_message");
+		std::shared_ptr<message_t> invalid_message = std::make_shared<j1939_message_t>();
+		std::shared_ptr<message_t> m;
+		j1939_message_t* jm;
+
+		m = socketcan_j1939_t::read_message();
+		jm = static_cast<j1939_message_t*>(m.get());
+
+		if(jm->get_pgn() == J1939_PGN_ADDRESS_CLAIMED)
+		{
+			if(jm->get_addr() >= J1939_IDLE_ADDR)
+			{
+				AFB_DEBUG("Get invalid address claiming by name : %x",(unsigned int)jm->get_name());
+				return invalid_message;
+			}
+
+			if(jm->get_name() == htole64(J1939_NAME_ECU))
+			{
+				AFB_DEBUG("Get own address claiming");
+				return invalid_message;
+			}
+
+			AFB_DEBUG("Get address claiming from %x",(unsigned int)jm->get_name());
+
+			if(jm->get_addr() != current_address_)
+			{
+				save_addr_name(jm->get_addr(),jm->get_name());
+				return invalid_message;
+			}
+
+			if(claiming_state_ == claiming_state::CLAIMING)
+			{
+				if(jm->get_name() > htole64(J1939_NAME_ECU))
+				{
+					AFB_WARNING("Error from %x to use j1939 protocol",(unsigned int)htole64(J1939_NAME_ECU));
+					return invalid_message;
+				}
+
+				save_addr_name(jm->get_addr(),jm->get_name());
+
+
+				if(timer_handle_->evtSource)
+				{
+						TimerEvtStop(timer_handle_);
+						timer_handle_ = nullptr;
+				}
+
+				if(claim_address(false, true) < 0)
+				{
+					AFB_ERROR("Claim address failed");
+					change_state(claiming_state::INVALID);
+					return invalid_message;
+				}
+			}
+			else if(claiming_state_ == claiming_state::OPERATIONAL)
+			{
+				AFB_DEBUG("Address colision");
+				if(jm->get_name() > htole64(J1939_NAME_ECU))
+				{
+					if(claim_address(false,false) < 0)
+					{
+						AFB_ERROR("Claim address failed");
+						change_state(claiming_state::INVALID);
+						return invalid_message;
+					}
+					return invalid_message;
+				}
+
+				save_addr_name(jm->get_addr(),jm->get_name());
+
+				if(claim_address(false,true) < 0)
+				{
+						AFB_ERROR("Claim address failed");
+						change_state(claiming_state::INVALID);
+						return invalid_message;
+				}
+			}
+		}
+		return invalid_message;
+	}
+
+	/**
+	 * @brief Initialize the table j1939 with the valid address posible
+	 *
+	 */
+	void socketcan_j1939_addressclaiming_t::initialize_table_j1939_address()
+	{
+		int start_addr = 128;
+		int end_addr = 247;
+		if(start_addr < 0)
+		{
+			AFB_ERROR("[socketcan-j1939-addressclaiming][initialize_table_j1939_address] Invalid start address");
+		}
+		else
+		{
+			if(end_addr >= J1939_IDLE_ADDR)
+			{
+				AFB_ERROR("[socketcan-j1939-addressclaiming][initialize_table_j1939_address] Invalid end address");
+			}
+			else
+			{
+				for (int i = start_addr; i <= end_addr; i++) {
+					table_j1939_address_[i] = std::make_pair(0,true);
+				}
+			}
+		}
+	}
+
+	/**
+	 * @brief Save at an address a name
+	 *
+	 * @param addr The adress where you want to save name
+	 * @param name The name of the ECU that is in the address
+	 * @return int 0 if save is ok
+	 */
+	int socketcan_j1939_addressclaiming_t::save_addr_name(uint8_t addr,name_t name)
+	{
+		if(addr < J1939_IDLE_ADDR)
+		{
+			if(table_j1939_address_[addr].first < name)
+			{
+				table_j1939_address_[addr].first = name;
+				AFB_DEBUG("[socketcan-j1939-addressclaiming][save_addr_name] NAME : %x <--> ADDR : %d",(unsigned int)name,addr);
+			}
+			else if(table_j1939_address_[addr].first == name)
+			{
+				AFB_WARNING("Name %x has already adress %d",(unsigned int)name,addr);
+			}
+		}
+		else
+		{
+			AFB_ERROR("Invalid address to save");
+			return -1;
+		}
+		return 0;
+	}
+
+	/**
+	 * @brief Choose new address for the ECU check in the table the best place to claim
+	 *
+	 * @return uint8_t The new address choosen
+	 */
+	uint8_t socketcan_j1939_addressclaiming_t::choose_new_address()
+	{
+		for (int i = 0; i < J1939_IDLE_ADDR; i++)
+		{
+			if(table_j1939_address_[i].second && i!=current_address_)
+			{
+				if(	table_j1939_address_[i].first >= htole64(J1939_NAME_ECU) || table_j1939_address_[i].first == 0)
+				{
+					return (uint8_t) i;
+				}
+			}
+		}
+		return J1939_IDLE_ADDR;
+	}
+
+	/**
+	 * @brief The function that destoy the timer
+	 *
+	 * @param timer_context The timer context to destroy
+	 * @return int
+	 */
+	int socketcan_j1939_addressclaiming_t::free_timer_handle(void *timer_context)
+	{
+		socketcan_j1939_addressclaiming_t *addressclaiming_socket = (socketcan_j1939_addressclaiming_t*) timer_context;
+		addressclaiming_socket->timer_handle_ = nullptr;
+		return 0;
+	}
+
+	/**
+	 * @brief The function is call when at the end of the timer, the socket has don't receive
+	 *
+	 * @param timerhandle The timerhandle of the timer
+	 * @return int 1 it's all it's ok
+	 */
+	int socketcan_j1939_addressclaiming_t::no_response_claiming(TimerHandleT *timerhandle)
+	{
+		socketcan_j1939_addressclaiming_t *addressclaiming_socket = (socketcan_j1939_addressclaiming_t*) timerhandle->context;
+		// If the cache is cleared :
+		addressclaiming_socket->change_state(claiming_state::OPERATIONAL);
+		addressclaiming_socket->save_addr_name(addressclaiming_socket->current_address_,htole64(J1939_NAME_ECU));
+		AFB_DEBUG("Get address %d for this ecu", addressclaiming_socket->current_address_);
+		/*Else :
+
+		uint8_t data[3]= { 0, 0, 0, };
+		std::vector<uint8_t> data_v(data,data+3);
+		int res = addressclaiming_socket->write_j1939_message(J1939_PGN_REQUEST,data_v,3);
+		if(res < 0)
+		{
+			if(res == -99)
+			{
+				addressclaiming_socket->save_addr_name(addressclaiming_socket->current_address_,htole64(1));
+				AFB_DEBUG("Address busy but no claming request from other ECU");
+				addressclaiming_socket->claim_address(false,true);
+			}
+			else
+			{
+				AFB_ERROR("ERROR");
+			}
+		}
+		else
+		{
+			addressclaiming_socket->change_state(claiming_state::OPERATIONAL);
+			addressclaiming_socket->save_addr_name(addressclaiming_socket->current_address_,htole64(J1939_NAME_ECU));
+			AFB_DEBUG("Get address %d for this ecu", addressclaiming_socket->current_address_);
+		}*/
+
+		return 1;
+	}
+
+	/**
+	 * @brief Launch timer when an address is claimed
+	 *
+	 */
+	void socketcan_j1939_addressclaiming_t::launch_timer()
+	{
+		timer_handle_ = (TimerHandleT*) malloc(sizeof(TimerHandleT));
+		timer_handle_->uid = "claiming_wait";
+		timer_handle_->delay = 250;
+		timer_handle_->count = 1;
+		timer_handle_->freeCB = free_timer_handle;
+		TimerEvtStart(afbBindingV3root, timer_handle_, no_response_claiming, (void *) this);
+	}
+
+
+	/**
+	 * @brief Allows to claim a new address
+	 *
+	 * @param first_claim If true, the socket is open
+	 * @param new_address If true, claim a new address, else only resend a claim with same address
+	 * @return int -1 if fail
+	 */
+	int socketcan_j1939_addressclaiming_t::claim_address(bool first_claim,bool new_address)
+	{
+		if(new_address)
+		{
+			AFB_DEBUG("New address");
+			current_address_ = choose_new_address();
+			change_state(claiming_state::CLAIMING);
+			launch_timer();
+		}
+
+		if(current_address_ == J1939_IDLE_ADDR)
+		{
+			AFB_ERROR("No address left");
+			return -1;
+		}
+
+		if(first_claim)
+		{
+			int ret = socketcan_j1939_t::open(device_name_,htole64(J1939_NAME_ECU),J1939_NO_PGN,current_address_);
+
+			if(ret < 0)
+			{
+				AFB_ERROR("Error open socket address claiming");
+				return -1;
+			}
+
+			AFB_DEBUG("[socketcan-j1939-addressclaiming][claim_address] Success open socket address claiming");
+			add_filter(J1939_NO_NAME,J1939_PGN_ADDRESS_CLAIMED,J1939_NO_ADDR,J1939_NO_NAME,J1939_PGN_PDU1_MAX,J1939_NO_ADDR);
+			define_opt();
+		}
+		else
+		{
+			tx_address_.can_addr.j1939.addr = current_address_;
+			if(bind((struct sockaddr *)&tx_address_, sizeof(tx_address_)) < 0)
+			{
+				AFB_ERROR("rebind() fail");
+				return -1;
+			}
+		}
+
+		uint64_t name = htole64(J1939_NAME_ECU);
+		uint8_t dat[8] = {0};
+		memcpy(dat, &name, 8);
+		struct sockaddr_can sockname;
+		memset(&sockname, 0, sizeof(sockname));
+		sockname.can_family = AF_CAN;
+		sockname.can_addr.j1939.pgn = J1939_PGN_ADDRESS_CLAIMED;
+		sockname.can_addr.j1939.addr = J1939_NO_ADDR;
+		socklen_t socklen = sizeof(sockname);
+
+		ssize_t ret = sendto(socket_, &dat, sizeof(dat), 0, (const struct sockaddr *)&sockname, socklen);
+
+		if(ret < 0 )
+		{
+			AFB_ERROR("Address claimed fail : %s", strerror(errno));
+			return -1;
+		}
+
+		AFB_DEBUG("[socketcan-j1939-addressclaiming][claim_address] Send address claiming request");
+
+		return (int)ret;
+	}
+
+/*	int socketcan_j1939_addressclaiming_t::pgn_request()
+	{
+		static const uint8_t dat[3] = { 0, 0xee, 0, };
+		static struct sockaddr_can peername;
+		peername.can_family = AF_CAN;
+		peername.can_addr.j1939.pgn = J1939_PGN_REQUEST;
+		peername.can_addr.j1939.addr = J1939_NO_ADDR;
+		int ret = sendto(socket_, dat, sizeof(dat), 0, (const struct sockaddr *)&peername, sizeof(peername));
+
+		if(ret < 0)
+		{
+			AFB_ERROR("Error pgn_request()");
+		}
+		return ret;
+	}
+	*/
+
+	/**
+	 * @brief Return the address associate to a name
+	 *
+	 * @param name The name you are looking for
+	 * @return uint8_t The address if it is present, else J1939_IDLE_ADDR
+	 */
+	uint8_t socketcan_j1939_addressclaiming_t::get_addr_table(name_t name)
+	{
+		for(int i = 0; i < J1939_IDLE_ADDR; i++)
+		{
+			if(table_j1939_address_[i].first == name)
+			{
+				return (uint8_t) i;
+			}
+		}
+		return J1939_IDLE_ADDR;
+	}
+
+	/**
+	 * @brief Allows to open a J1939 socket address claiming
+	 *
+	 * @param device_name The name of the device on which to open the socket
+	 * @param pgn NO_PGN
+	 * @return int Return 0 if ok else -1
+	 */
+	int socketcan_j1939_addressclaiming_t::open(std::string device_name, pgn_t pgn)
+	{
+		device_name_ = device_name;
+		initialize_table_j1939_address();
+		if(claim_address(true,true) < 0)
+		{
+			AFB_ERROR("Claim address failed");
+			return -1;
+		}
+		return 0;
+	}
+
+	/**
+	 * @brief Allows to change the state of the socket address claiming
+	 * When the state change a mutex is lock
+	 *
+	 * @param new_state The new state
+	 */
+	void socketcan_j1939_addressclaiming_t::change_state(claiming_state new_state)
+	{
+		std::unique_lock<std::mutex> lock(socketcan_j1939_t::mutex_claiming_);
+		claiming_state_ = new_state;
+		socketcan_j1939_t::signal_address_claiming_.notify_one();
+	}
+
+	/**
+	 * @brief Allows to get the states of the socket
+	 *
+	 * @return claiming_state The state of the socket
+	 */
+	claiming_state socketcan_j1939_addressclaiming_t::get_state()
+	{
+		return claiming_state_;
+	}
+
+}
\ No newline at end of file
diff --git a/low-can-binding/utils/socketcan-j1939/socketcan-j1939-addressclaiming.hpp b/low-can-binding/utils/socketcan-j1939/socketcan-j1939-addressclaiming.hpp
new file mode 100644
index 00000000..92c44c8c
--- /dev/null
+++ b/low-can-binding/utils/socketcan-j1939/socketcan-j1939-addressclaiming.hpp
@@ -0,0 +1,52 @@
+/*
+ * Copyright (C) 2018, 2019 "IoT.bzh"
+ * Author "Arthur Guyader" <arthur.guyader@iot.bzh>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *	 http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+#include <afb-timer.h>
+
+#include "./socketcan-j1939.hpp"
+
+namespace utils
+{
+	class socketcan_j1939_addressclaiming_t : public socketcan_j1939_t
+	{
+        public:
+            socketcan_j1939_addressclaiming_t();
+            virtual std::shared_ptr<message_t> read_message();
+            virtual int open(std::string device_name, pgn_t pgn);
+            virtual claiming_state get_state();
+            TimerHandleT *timer_handle_;
+            std::pair<uint64_t, bool> table_j1939_address_[J1939_IDLE_ADDR];
+
+        private:
+            int claim_address(bool first_claim,bool new_address);
+            int pgn_request();
+            void initialize_table_j1939_address();
+            int save_addr_name(uint8_t addr,name_t name);
+            uint8_t choose_new_address();
+            uint8_t get_addr_table(name_t name);
+            void change_state(claiming_state new_state);
+            void launch_timer();
+            static int no_response_claiming(TimerHandleT *timerhandle);
+            static int free_timer_handle(void *timer_context);
+
+            uint8_t current_address_;
+            bool signal_stop_;
+            claiming_state claiming_state_;
+            std::string device_name_;
+	};
+}
diff --git a/low-can-binding/utils/socketcan-j1939/socketcan-j1939-data.cpp b/low-can-binding/utils/socketcan-j1939/socketcan-j1939-data.cpp
new file mode 100644
index 00000000..c9d3e0a6
--- /dev/null
+++ b/low-can-binding/utils/socketcan-j1939/socketcan-j1939-data.cpp
@@ -0,0 +1,68 @@
+/*
+ * Copyright (C) 2018, 2019 "IoT.bzh"
+ * Author "Arthur Guyader" <arthur.guyader@iot.bzh>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *	 http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+
+#include "socketcan-j1939-data.hpp"
+#include "socketcan-j1939-addressclaiming.hpp"
+#include "../../binding/application.hpp"
+
+namespace utils
+{
+    /**
+     * @brief Open a socket for receive or send data
+     *
+     * @param device_name The device name to open the socket
+     * @param pgn The pgn to receive only him
+     * @return int Return the number of the socket
+     */
+    int socketcan_j1939_data_t::open(std::string device_name, pgn_t pgn)
+    {
+        int ret = socketcan_j1939_t::open(device_name,htole64(J1939_NAME_ECU),pgn,J1939_NO_ADDR);
+        if(ret >= 0)
+        {
+            if(tx_address_.can_addr.j1939.pgn != J1939_NO_PGN)
+            {
+                add_filter(J1939_NO_NAME,tx_address_.can_addr.j1939.pgn,J1939_NO_ADDR,J1939_NO_NAME,J1939_NO_PGN,J1939_NO_ADDR);
+            }
+            define_opt();
+        }
+        return ret;
+    }
+
+    /**
+     * @brief Write a message but check if the address claiming is operation before
+     *
+     * @param obj A j1939 message
+     * @return int 0 if the write is ok
+     */
+    int socketcan_j1939_data_t::write_message(message_t& obj)
+    {
+        std::unique_lock<std::mutex> lock(mutex_claiming_);
+        application_t &application = application_t::instance();
+        socketcan_j1939_addressclaiming_t *socket_addr_claimed = static_cast<socketcan_j1939_addressclaiming_t*>(application.get_socket_address_claiming().get());
+        while(socket_addr_claimed->get_state() != claiming_state::OPERATIONAL)
+        {
+            socketcan_j1939_t::signal_address_claiming_.wait(lock);
+            if(socket_addr_claimed->get_state() == claiming_state::INVALID)
+            {
+                AFB_ERROR("Invalid state");
+                return -1;
+            }
+        }
+        return socketcan_j1939_t::write_message(obj);
+    }
+}
diff --git a/low-can-binding/utils/socketcan-j1939/socketcan-j1939-data.hpp b/low-can-binding/utils/socketcan-j1939/socketcan-j1939-data.hpp
new file mode 100644
index 00000000..0cb0b8f2
--- /dev/null
+++ b/low-can-binding/utils/socketcan-j1939/socketcan-j1939-data.hpp
@@ -0,0 +1,31 @@
+/*
+ * Copyright (C) 2018, 2019 "IoT.bzh"
+ * Author "Arthur Guyader" <arthur.guyader@iot.bzh>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *	 http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include "./socketcan-j1939.hpp"
+
+namespace utils
+{
+	class socketcan_j1939_data_t : public socketcan_j1939_t
+	{
+		public:
+			using socketcan_j1939_t::socketcan_j1939_t;
+			virtual int open(std::string device_name, pgn_t pgn);
+			virtual int write_message(message_t& obj);
+	};
+}
\ No newline at end of file
diff --git a/low-can-binding/utils/socketcan-j1939/socketcan-j1939.cpp b/low-can-binding/utils/socketcan-j1939/socketcan-j1939.cpp
new file mode 100644
index 00000000..25d0f76e
--- /dev/null
+++ b/low-can-binding/utils/socketcan-j1939/socketcan-j1939.cpp
@@ -0,0 +1,288 @@
+/*
+ * Copyright (C) 2018, 2019 "IoT.bzh"
+ * Author "Arthur Guyader" <arthur.guyader@iot.bzh>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *	 http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <unistd.h>
+#include <sys/ioctl.h>
+#include <fcntl.h>
+#include <iostream>
+#include <algorithm>
+#include <vector>
+#include "./socketcan-j1939.hpp"
+#include "socketcan-j1939-addressclaiming.hpp"
+
+namespace utils
+{
+	std::mutex socketcan_j1939_t::mutex_claiming_;
+	std::condition_variable socketcan_j1939_t::signal_address_claiming_;
+
+	/**
+	 * @brief Apply a filter to the socket
+	 *
+	 * @param name - The name you want to receive
+	 * @param pgn - The pgn you want to receive
+	 * @param addr - The addr you want to receive
+	 * @param name_mask - The mask to apply to the name (No mask : J1939_NO_NAME)
+	 * @param pgn_mask - The mask to apply to the pgn (No mask : J1939_NO_PGN)
+	 * @param addr_mask - The mask to apply to the addr (No mask : J1939_NO_ADDR)
+	 */
+	void socketcan_j1939_t::add_filter(name_t name, pgn_t pgn, uint8_t addr, name_t name_mask, pgn_t pgn_mask, uint8_t addr_mask)
+	{
+	//	AFB_DEBUG("[socketcan_j1939_t][add_filter] PGN : %" PRIu32 " ; NAME : %" PRIu64 " ; ADDR : %" PRIu8,pgn,(long unsigned int)name,addr);
+	//	AFB_DEBUG("PGN_MASK : %" PRIu32 " ; NAME_MASK : %" PRIu64 "; ADDR_MASK : %" PRIu8,pgn_mask,(long unsigned int)name_mask,addr_mask);
+		int filter_on = 0;
+		struct j1939_filter filter;
+		memset(&filter, 0, sizeof(filter));
+		if (name)
+		{
+			filter.name = name;
+			if(name_mask != J1939_NO_NAME)
+			{
+				filter.name_mask = name_mask;
+			} else
+			{
+				filter.name_mask = ~0ULL;
+			}
+			++filter_on;
+		}
+
+		if (addr < 0xff)
+		{
+			filter.addr = addr;
+			if(addr_mask != J1939_NO_ADDR)
+			{
+				filter.addr_mask = addr_mask;
+			} else
+			{
+				filter.addr_mask = ~0;
+			}
+			++filter_on;
+		}
+		if (pgn <= J1939_PGN_MAX)
+		{
+			filter.pgn = pgn;
+			if(pgn_mask != J1939_NO_PGN)
+			{
+				filter.pgn_mask = pgn_mask;
+			} else
+			{
+				filter.pgn_mask = ~0;
+			}
+			++filter_on;
+		}
+		if(filter_on)
+		{
+			setopt(SOL_CAN_J1939, SO_J1939_FILTER, &filter, sizeof(filter));
+		}
+	}
+
+	/**
+	 * @brief Define some parameters on the socket
+	 *
+	 * @param promisc - Allows to accept all packets that the socket receives even if they are not addressed directly to it
+	 * @param recv_own_msgs - Allows you to receive your own packets
+	 * @param broadcast - Allows to write message with address brodcast (255)
+	 */
+    void socketcan_j1939_t::define_opt(bool promisc, bool recv_own_msgs, bool broadcast)
+	{
+		int promisc_i = 0;
+		int recv_own_msgs_i = 0;
+		int broadcast_i = 0;
+
+		if(promisc) promisc_i = 1;
+		if(recv_own_msgs) recv_own_msgs_i=1;
+		if(broadcast) broadcast_i = 1;
+
+		setopt(SOL_CAN_J1939, SO_J1939_PROMISC, &promisc_i, sizeof(promisc_i));
+		setopt(SOL_CAN_J1939, SO_J1939_RECV_OWN, &recv_own_msgs_i, sizeof(recv_own_msgs_i));
+		setopt(SOL_SOCKET, SO_BROADCAST, &broadcast_i, sizeof(broadcast_i));
+	}
+
+
+	/**
+	 * @brief Define the tx address for the bind function
+	 *
+	 * @param device_name - The device can that you want to bind
+	 * @param name - The name that you want to bind
+	 * @param pgn - The pgn that you want to bind
+	 * @param addr - The addr that you want to bindthat you want to bind
+	 */
+	void socketcan_j1939_t::define_tx_address(std::string device_name, name_t name, pgn_t pgn, uint8_t addr)
+	{
+
+		::strcpy(ifr_.ifr_name, device_name.c_str());
+		AFB_DEBUG("ifr_name is : %s", ifr_.ifr_name);
+
+
+		if(::ioctl(socket_, SIOCGIFINDEX, &ifr_) < 0)
+		{
+			AFB_ERROR("ioctl failed. Error was : %s", strerror(errno));
+			close();
+		}
+		else
+		{
+			tx_address_.can_ifindex = ifr_.ifr_ifindex;
+		}
+
+		tx_address_.can_family = AF_CAN;
+
+
+		if(addr <= 0 || addr >= UINT8_MAX )
+		{
+			tx_address_.can_addr.j1939.addr = J1939_NO_ADDR;
+		}
+		else
+		{
+			tx_address_.can_addr.j1939.addr = addr;
+		}
+
+		if(name <= 0 || name >= UINT64_MAX )
+		{
+			tx_address_.can_addr.j1939.name = J1939_NO_NAME;
+		}
+		else
+		{
+			tx_address_.can_addr.j1939.name = name;
+		}
+
+		if(pgn <= 0 || pgn > J1939_PGN_MAX)
+		{
+			tx_address_.can_addr.j1939.pgn = J1939_NO_PGN;
+		}
+		else
+		{
+			tx_address_.can_addr.j1939.pgn = pgn;
+		}
+
+	}
+
+
+	/**
+	 * @brief Open default socket
+	 *
+	 * @param device_name The device name to open the socket
+	 * @return int The number of the socket
+	 */
+	int socketcan_j1939_t::open(std::string device_name)
+	{
+		return open(device_name,0,0,0);
+	}
+
+	/**
+	 * @brief Open a socket with name pgn and address
+	 *
+	 * @param device_name The device name to open the socket
+	 * @param name - The name that you want to bind
+	 * @param pgn - The pgn that you want to bind
+	 * @param addr - The addr that you want to bindthat you want to bind
+	 * @return int The number of the socket
+	 */
+	int socketcan_j1939_t::open(std::string device_name, name_t name, pgn_t pgn, uint8_t addr)
+	{
+
+		socket_ = socketcan_t::open(PF_CAN, SOCK_DGRAM, CAN_J1939);
+
+		define_tx_address(device_name,name,pgn,addr);
+
+		if(bind((struct sockaddr *)&tx_address_, sizeof(tx_address_)) < 0)
+		{
+			AFB_ERROR("Bind failed. %s", strerror(errno));
+			close();
+		}
+
+		return socket_;
+	}
+
+	/**
+	 * @brief Launch recvfrom on the socket with blocking flag
+	 *
+	 * @return std::shared_ptr<message_t> The j1939 message that is read
+	 */
+	std::shared_ptr<message_t> socketcan_j1939_t::read_message()
+	{
+		return read_message(0);
+	}
+
+	/**
+	 * @brief Launch recvfrom on the socket with the flag you want
+	 *
+	 * @param flag The flag param for the recvfrom
+	 * @return std::shared_ptr<message_t> The j1939 message that is read
+	 */
+	std::shared_ptr<message_t> socketcan_j1939_t::read_message(int flag)
+	{
+		socklen_t peernamelen;
+		std::shared_ptr<j1939_message_t> jm = std::make_shared<j1939_message_t>();
+		uint8_t data[128] = {0};
+
+		struct sockaddr_can peername;
+		peernamelen = sizeof(peername);
+		ssize_t nbytes = recvfrom(socket_, &data, sizeof(data), flag, (struct sockaddr *)&peername,  &peernamelen);
+
+		if(nbytes < 0)
+		{
+			return nullptr;
+		}
+		//AFB_DEBUG("Data available: %i bytes read", (int)nbytes);
+
+		struct timeval tv;
+		ioctl(socket(), SIOCGSTAMP, &tv);
+		uint64_t timestamp = 1000000 * tv.tv_sec + tv.tv_usec;
+		jm = j1939_message_t::convert_from_addr(peername, data , nbytes, timestamp);
+		jm->set_sub_id((int)socket());
+		return jm;
+	}
+
+	/**
+	 * @brief Write a j1939 message
+	 *
+	 * @param pgn The pgn that you want to emmit
+	 * @param data The data that you want to emmit
+	 * @param len_data The size of the data to emmit
+	 * @return int 0 if the message is correctly send
+	 */
+	int socketcan_j1939_t::write_j1939_message(pgn_t pgn, std::vector<uint8_t> &data, uint32_t len_data)
+	{
+		j1939_message_t msg = j1939_message_t(J1939_MAX_DLEN, len_data, message_format_t::J1939, data, 0, 0, pgn, 0);
+		msg.set_sockname(pgn,J1939_NO_NAME,J1939_NO_ADDR);
+		return write_message(msg);
+	}
+
+	/**
+	 * @brief Write a j1939 message
+	 *
+	 * @param m A j1939 message
+	 * @return int 0 if the message is correctly send
+	 */
+	int socketcan_j1939_t::write_message(message_t& m)
+	{
+		j1939_message_t& jm = reinterpret_cast<j1939_message_t&>(m);
+		sockaddr_can sockname =  jm.get_sockname();
+		uint8_t data[jm.get_data_vector().size()];
+
+		for(int i=0; i<jm.get_data_vector().size(); i++)
+		{
+			data[i] = jm.get_data_vector()[i];
+		}
+
+		if (sendto(socket_, &data, sizeof(data), 0, (const struct sockaddr *)&sockname, sizeof(sockname)) < 0)
+		{
+			AFB_ERROR("Error sending : %i %s", errno, ::strerror(errno));
+			return -errno;
+		}
+		return 0;
+	}
+}
\ No newline at end of file
diff --git a/low-can-binding/utils/socketcan-j1939/socketcan-j1939.hpp b/low-can-binding/utils/socketcan-j1939/socketcan-j1939.hpp
new file mode 100644
index 00000000..6c2ea696
--- /dev/null
+++ b/low-can-binding/utils/socketcan-j1939/socketcan-j1939.hpp
@@ -0,0 +1,68 @@
+/*
+ * Copyright (C) 2018, 2019 "IoT.bzh"
+ * Author "Arthur Guyader" <arthur.guyader@iot.bzh>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *	 http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <thread>
+#include <mutex>
+#include <condition_variable>
+#include <linux/can/j1939.h>
+#include <net/if.h>
+#include "../socketcan.hpp"
+#include "../../can/message/j1939-message.hpp"
+
+#ifndef J1939_NAME_ECU
+#define J1939_NAME_ECU 0x1234
+#endif
+
+namespace utils
+{
+
+	/**
+     * @enum state
+     * @brief The state of the address claiming
+     */
+    enum class claiming_state {
+        INITIAL, ///< INITIAL - INITIAL state
+        CLAIMING, ///< CLAIMING - CLAIMING state
+        OPERATIONAL, ///< OPERATIONAL - OPERATIONAL state
+        INVALID
+    };
+
+	class socketcan_j1939_addressclaiming_t;
+	class socketcan_j1939_t : public socketcan_t
+	{
+		public:
+			using socketcan_t::socketcan_t;
+			virtual int open(std::string device_name);
+			virtual int open(std::string device_name, name_t name, pgn_t pgn, uint8_t addr);
+			virtual std::shared_ptr<message_t> read_message();
+			virtual std::shared_ptr<message_t> read_message(int flag);
+			virtual int write_message(message_t& obj);
+			virtual int write_j1939_message(pgn_t pgn, std::vector<uint8_t> &data, uint32_t len_data);
+
+		protected:
+			struct ifreq ifr_;
+			static std::mutex mutex_claiming_;
+			static std::condition_variable signal_address_claiming_;
+			void define_tx_address(std::string device_name, name_t name, pgn_t pgn, uint8_t addr);
+			void add_filter(name_t name, pgn_t pgn, uint8_t addr, name_t name_mask, pgn_t pgn_mask, uint8_t addr_mask);
+			void define_opt(bool promisc = true, bool recv_own_msgs = true, bool broadcast = true);
+
+	};
+}
+