#include <sys/ioctl.h>
#include "socketcan.hpp"
-#include "can-message.hpp"
namespace utils
{
return socket_;
}
- /// @brief Open a raw socket CAN.
- /// @param[in] device_name is the kernel network device name of the CAN interface.
- ///
- /// @return Upon successful completion, shall return a non-negative integer, the socket file descriptor. Otherwise, a value of -1 shall be returned and errno set to indicate the error.
- int socketcan_t::open(std::string device_name)
- {
- close();
-
- struct ifreq ifr;
- socket_ = ::socket(PF_CAN, SOCK_DGRAM, CAN_BCM);
-
- // Attempts to open a socket to CAN bus
- ::strcpy(ifr.ifr_name, device_name.c_str());
- DEBUG(binder_interface, "%s: ifr_name is : %s", __FUNCTION__, ifr.ifr_name);
- if(::ioctl(socket_, SIOCGIFINDEX, &ifr) < 0)
- {
- ERROR(binder_interface, "%s: ioctl failed. Error was : %s", __FUNCTION__, strerror(errno));
- close();
- }
- else
- {
- tx_address_.can_family = AF_CAN;
- tx_address_.can_ifindex = ifr.ifr_ifindex;
-
- if(connect((struct sockaddr *)&tx_address_, sizeof(tx_address_)) < 0)
- {
- ERROR(binder_interface, "%s: Connect failed. %s", __FUNCTION__, strerror(errno));
- close();
- }
- }
- return socket_;
- }
-
socketcan_t& operator>>(socketcan_t& s, can_message_t& cm)
{
struct {
return s;
}
-
- socketcan_t& operator<<(socketcan_t& s, const struct basic_bcm_msg<struct can_frame>& obj)
- {
- s << obj.msg_head;
- s << obj.frames;
- return s;
- }
-
- socketcan_t& operator<<(socketcan_t& s, const struct canfd_bcm_msg& obj)
- {
- s << obj.msg_head;
- s << obj.frames;
- return s;
- }
}
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