Update function rx_filter_can for multi frame prevision.
[apps/agl-service-can-low-level.git] / low-can-binding / binding / low-can-subscription.cpp
index 8e4429f..d4ada3f 100644 (file)
@@ -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()
@@ -54,7 +53,8 @@ low_can_subscription_t& low_can_subscription_t::operator=(const low_can_subscrip
 
 low_can_subscription_t::~low_can_subscription_t()
 {
-       socket_->close();
+       if(socket_)
+               socket_->close();
 }
 
 low_can_subscription_t::operator bool() const
@@ -95,8 +95,13 @@ int low_can_subscription_t::set_event()
  */
 int low_can_subscription_t::subscribe(afb_req_t request)
 {
-       if(set_event() < 0)
-               return -1;
+       if(! afb_event_is_valid(event_))
+       {
+               if(set_event() < 0)
+               {
+                       return -1;
+               }
+       }
        return afb_req_subscribe(request, event_);
 }
 
@@ -224,31 +229,96 @@ 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(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;
-       if(! socket_)
+       int ret = -1;
+       if(! subscription.socket_)
        {
-               if( signal_ != nullptr)
-                       {ret = socket_->open(signal_->get_message()->get_bus_device_name());}
-               else if (! diagnostic_message_ .empty())
-                       {ret = socket_->open(application_t::instance().get_diagnostic_manager().get_bus_device_name());}
-               else if ( ! bus_name.empty())
-                       { ret = socket_->open(bus_name);}
-               index_ = (int)socket_->socket();
+               switch (type)
+               {
+               case socket_type::BCM:
+               {
+                       if( subscription.signal_ != nullptr)
+                       {
+                                       subscription.socket_ = std::make_shared<utils::socketcan_bcm_t>();
+                                       ret = subscription.socket_->open(subscription.signal_->get_message()->get_bus_device_name());
+                       }
+                       else if (! subscription.diagnostic_message_ .empty())
+                       {
+                                       subscription.socket_ = std::make_shared<utils::socketcan_bcm_t>();
+                                       ret = subscription.socket_->open(application_t::instance().get_diagnostic_manager().get_bus_device_name());
+                       }
+                       else if ( !bus_name.empty())
+                       {
+                                       subscription.socket_ = std::make_shared<utils::socketcan_bcm_t>();
+                                       ret = subscription.socket_->open(bus_name);
+                       }
+                       subscription.index_ = (int)subscription.socket_->socket();
+                       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;
+               }
+               }
+       }
+       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
 /// zeroed.
-struct bcm_msg low_can_subscription_t::make_bcm_head(uint32_t opcode, uint32_t can_id, uint32_t flags, const struct timeval& timeout, const struct timeval& frequency_thinning) const
+struct bcm_msg low_can_subscription_t::make_bcm_head(uint32_t opcode, uint32_t can_id, uint32_t flags, const struct timeval& timeout, const struct timeval& frequency_thinning)
 {
        struct bcm_msg bcm_msg;
        ::memset(&bcm_msg, 0, sizeof(bcm_msg));
@@ -261,13 +331,14 @@ struct bcm_msg low_can_subscription_t::make_bcm_head(uint32_t opcode, uint32_t c
        bcm_msg.msg_head.ival2.tv_sec = frequency_thinning.tv_sec ;
        bcm_msg.msg_head.ival2.tv_usec = frequency_thinning.tv_usec;
 
+
        return bcm_msg;
 }
 
 /// @brief Take an existing bcm_msg struct and add a can_frame.
 /// Currently only 1 uniq can_frame can be added, it's not possible to build
 /// a multiplexed message with several can_frame.
-void low_can_subscription_t::add_one_bcm_frame(struct canfd_frame& cfd, struct bcm_msg& bcm_msg) const
+void low_can_subscription_t::add_one_bcm_frame(struct canfd_frame& cfd, struct bcm_msg& bcm_msg)
 {
        struct can_frame cf;
 
@@ -283,13 +354,24 @@ void low_can_subscription_t::add_one_bcm_frame(struct canfd_frame& cfd, struct b
        bcm_msg.msg_head.nframes++;
 }
 
+/// @brief Take an existing bcm_msg struct and add a can_frame.
+/// Currently only 1 uniq can_frame can be added, it's not possible to build
+/// a multiplexed message with several can_frame.
+void low_can_subscription_t::remove_last_bcm_frame(struct bcm_msg& bcm_msg)
+{
+       struct canfd_frame cf;
+       memset(&cf,0,sizeof(cf));
+       bcm_msg.fd_frames[bcm_msg.msg_head.nframes] = cf;
+       bcm_msg.msg_head.nframes--;
+}
+
 #ifdef USE_FEATURE_J1939
 int low_can_subscription_t::create_rx_filter_j1939(low_can_subscription_t &subscription, std::shared_ptr<signal_t> sig)
 {
        subscription.signal_= sig;
 
        // Make sure that socket is opened.
-       if(subscription.open_socket() < 0)
+       if(open_socket(subscription,"",socket_type::J1939) < 0)
        {
                        return -1;
        }
@@ -308,32 +390,65 @@ int low_can_subscription_t::create_rx_filter_can(low_can_subscription_t &subscri
        struct timeval freq, timeout = {0, 0};
        struct canfd_frame cfd;
        subscription.signal_= sig;
+       bool is_fd = sig->get_message()->is_fd();
+
+       std::vector<uint8_t> data;
+       uint32_t length_msg = sig->get_message()->get_length();
+
+       if(length_msg == 0)
+       {
+               AFB_ERROR("Error in the length of message with id %d",sig->get_message()->get_id());
+               return -1;
+       }
+
+       for(int i = 0; i<length_msg;i++)
+       {
+               data.push_back(0);
+       }
+
+       encoder_t::encode_data(subscription.signal_,data,true,false,true);
+
+       can_message_t cm;
 
-       if (sig->get_message()->is_fd())
+       if (is_fd)
        {
                flags = SETTIMER|RX_NO_AUTOTIMER|CAN_FD_FRAME;
                cfd.len = CANFD_MAX_DLEN;
+               cm = can_message_t(CANFD_MAX_DLEN,sig->get_message()->get_id(),length_msg,sig->get_message()->get_format(),false,CAN_FD_FRAME,data,0);
        }
        else
        {
                flags = SETTIMER|RX_NO_AUTOTIMER;
                cfd.len = CAN_MAX_DLEN;
+               cm = can_message_t(CAN_MAX_DLEN,sig->get_message()->get_id(),length_msg,sig->get_message()->get_format(),false,0,data,0);
        }
-       val = (float)(1 << subscription.signal_->get_bit_size()) - 1;
-       if(! bitfield_encode_float(val,
-                                  subscription.signal_->get_bit_position(),
-                                  subscription.signal_->get_bit_size(),
-                                  1,
-                                  subscription.signal_->get_offset(),
-                                  cfd.data,
-                                  cfd.len))
-               return -1;
 
        frequency_clock_t f = subscription.event_filter_.frequency == 0 ? subscription.signal_->get_frequency() : frequency_clock_t(subscription.event_filter_.frequency);
        freq = f.get_timeval_from_period();
 
        struct bcm_msg bcm_msg = subscription.make_bcm_head(RX_SETUP, subscription.signal_->get_message()->get_id(), flags, timeout, freq);
-       subscription.add_one_bcm_frame(cfd, bcm_msg);
+
+       std::vector<canfd_frame> cfd_vect = cm.convert_to_canfd_frame_vector();
+
+       if(cfd_vect.size() > 1) //multi
+       {
+               AFB_ERROR("Not implemented yet");
+               return -1;
+       }
+       else if(cfd_vect.size() == 1)
+       {
+               canfd_frame cf = cfd_vect[0];
+               for(int i=0;i<cfd.len;i++)
+               {
+                       cfd.data[i] = cf.data[i];
+               }
+               subscription.add_one_bcm_frame(cfd, bcm_msg);
+       }
+       else
+       {
+               AFB_ERROR("No data available");
+               return -1;
+       }
 
        return create_rx_filter_bcm(subscription, bcm_msg);
 }
@@ -382,15 +497,15 @@ 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() < 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
        // else monitor all standard 8 CAN OBD2 ID response.
 
-       std::shared_ptr<message_t> msg = std::make_shared<can_message_t>();
+       can_message_t msg = can_message_t();
 
-       msg->set_bcm_msg(bcm_msg);
+       msg.set_bcm_msg(bcm_msg);
 
        if(bcm_msg.msg_head.can_id != OBD2_FUNCTIONAL_BROADCAST_ID)
        {
@@ -403,7 +518,7 @@ int low_can_subscription_t::create_rx_filter_bcm(low_can_subscription_t &subscri
                for(uint8_t i = 0; i < 8; i++)
                {
                        bcm_msg.msg_head.can_id  =  OBD2_FUNCTIONAL_RESPONSE_START + i;
-                       msg->set_bcm_msg(bcm_msg);
+                       msg.set_bcm_msg(bcm_msg);
                        subscription.socket_->write_message(msg);
                        if(! subscription.socket_)
                                return -1;
@@ -416,22 +531,51 @@ int low_can_subscription_t::create_rx_filter_bcm(low_can_subscription_t &subscri
 /// send a message
 ///
 /// @return 0 if ok else -1
-int low_can_subscription_t::tx_send(low_can_subscription_t &subscription, struct canfd_frame& cfd, const std::string& bus_name)
+int low_can_subscription_t::tx_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);
+       can_message_t *cm = static_cast<can_message_t*>(message);
 
-       if(subscription.open_socket(bus_name) < 0)
-               {return -1;}
+       struct bcm_msg bcm_msg = subscription.make_bcm_head(TX_SEND, cm->get_id(),cm->get_flags() | TX_CP_CAN_ID); // TX_CP_CAN_ID -> copy in cfd the id of bcm
+       std::vector<canfd_frame> cfd_vect = cm->convert_to_canfd_frame_vector();
+       for(auto cfd: cfd_vect)
+       {
+               subscription.add_one_bcm_frame(cfd, bcm_msg);
+       }
 
+       if(subscription.open_socket(subscription, bus_name,socket_type::BCM) < 0)
+       {
+                       return -1;
+       }
 
-       std::shared_ptr<message_t> msg = std::make_shared<can_message_t>();
+       cm->set_bcm_msg(bcm_msg);
+       subscription.socket_->write_message(*cm);
+       if(! subscription.socket_.get())
+       {
+                       return -1;
+       }
 
-       msg->set_bcm_msg(bcm_msg);
+       return 0;
+}
 
-       subscription.socket_->write_message(msg);
-       if(! subscription.socket_.get())
+#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
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