/*
- * Copyright (C) 2015, 2016 ,2017 "IoT.bzh"
+ * Copyright (C) 2015, 2016 , 2017, 2018, 2019 "IoT\.bzh"
* Author "Romain Forlot" <romain.forlot@iot.bzh>
* Author "Loïc Collignon" <loic.collignon@iot.bzh>
* Licensed under the Apache License, Version 2.0 (the "License");
namespace utils
{
- /// @brief Connect the socket.
- /// @return 0 if success.
- int socketcan_bcm_t::connect(const struct sockaddr* addr, socklen_t len)
- {
- return socket_ != INVALID_SOCKET ? ::connect(socket_, addr, len) : 0;
- }
/// @brief Open a raw socket CAN.
/// @param[in] device_name is the kernel network device name of the CAN interface.
socket_ = socketcan_t::open(PF_CAN, SOCK_DGRAM, CAN_BCM);
// Attempts to open a socket to CAN bus
+ tx_address_.can_family = AF_CAN;
::strcpy(ifr.ifr_name, device_name.c_str());
AFB_DEBUG("BCM socket ifr_name is : %s", ifr.ifr_name);
if(::ioctl(socket_, SIOCGIFINDEX, &ifr) < 0)
{
AFB_ERROR("ioctl failed. Error was : %s", strerror(errno));
close();
+ return -1;
}
- else
+
+ tx_address_.can_ifindex = ifr.ifr_ifindex;
+ if(connect((struct sockaddr *)&tx_address_, sizeof(tx_address_)) < 0)
{
- tx_address_.can_family = AF_CAN;
- tx_address_.can_ifindex = ifr.ifr_ifindex;
-
- if(connect((struct sockaddr *)&tx_address_, sizeof(tx_address_)) < 0)
- {
- AFB_ERROR("Connect failed. %s", strerror(errno));
- close();
- }
- // Needed because of using systemD event loop. See sd_event_add_io manual.
- fcntl(socketcan_t::socket_, F_SETFL, O_NONBLOCK);
+ AFB_ERROR("Connect failed. %s", strerror(errno));
+ close();
+ return -1;
}
+ // Needed because of using systemD event loop. See sd_event_add_io manual.
+ fcntl(socketcan_t::socket_, F_SETFL, O_NONBLOCK);
+
return socket_;
}
return cm;
}
- void socketcan_bcm_t::write_message(std::vector<std::shared_ptr<message_t>>& vobj)
+ int socketcan_bcm_t::write_message(message_t& m)
{
- for(const auto& obj : vobj)
- write_message(obj);
- }
-
- void socketcan_bcm_t::write_message(std::shared_ptr<message_t> m)
- {
- struct bcm_msg obj = m->get_bcm_msg();
+ can_message_t& cm = reinterpret_cast<can_message_t&>(m);
+ struct bcm_msg obj = cm.get_bcm_msg();
size_t size = (obj.msg_head.flags & CAN_FD_FRAME) ?
(size_t)((char*)&obj.fd_frames[obj.msg_head.nframes] - (char*)&obj):
(size_t)((char*)&obj.frames[obj.msg_head.nframes] - (char*)&obj);
if (::sendto(socket(), &obj, size, 0, (const struct sockaddr*)&get_tx_address(), sizeof(get_tx_address())) < 0)
- AFB_API_ERROR(afbBindingV3root, "Error sending : %i %s", errno, ::strerror(errno));
+ {
+ AFB_ERROR("Error sending : %i %s", errno, ::strerror(errno));
+ return -1;
+ }
+ return 0;
}
}