From 43cc23cd9d0986ae370f5839aa952c6e3eb196d0 Mon Sep 17 00:00:00 2001 From: Arthur GUYADER Date: Thu, 12 Dec 2019 18:12:01 +0100 Subject: j1939: Follow updates of the kernel This commit patch j1939 feature after the update of the kernel from linux-can-next to mainline. Now promisc option removes filter of the bind. The option is now a parameter in the event_filter. The feature recv_own isn't available, you can't receive on the same socket an emit frame from you. Not a big problem because receive and send method use two different sockets in the implementation. Change-Id: I5ac410177c1512090827870300b8aa1679477b84 Signed-off-by: Arthur GUYADER Signed-off-by: Romain Forlot --- low-can-binding/binding/low-can-cb.cpp | 3 +++ low-can-binding/binding/low-can-subscription.cpp | 24 ++++++++++++++++------ low-can-binding/binding/low-can-subscription.hpp | 7 +++++-- .../socketcan-j1939-addressclaiming.cpp | 2 +- .../utils/socketcan-j1939/socketcan-j1939-data.cpp | 10 +-------- .../utils/socketcan-j1939/socketcan-j1939.cpp | 10 ++++----- .../utils/socketcan-j1939/socketcan-j1939.hpp | 14 ++++++++++++- 7 files changed, 45 insertions(+), 25 deletions(-) (limited to 'low-can-binding') diff --git a/low-can-binding/binding/low-can-cb.cpp b/low-can-binding/binding/low-can-cb.cpp index 5e03c754..5d5a5170 100644 --- a/low-can-binding/binding/low-can-cb.cpp +++ b/low-can-binding/binding/low-can-cb.cpp @@ -314,6 +314,9 @@ static event_filter_t generate_filter(json_object* args) if (json_object_object_get_ex(filter, "max", &obj) && (json_object_is_type(obj, json_type_double) || json_object_is_type(obj, json_type_int))) event_filter.max = (float)json_object_get_double(obj); + if (json_object_object_get_ex(filter, "promisc", &obj) + && (json_object_is_type(obj, json_type_boolean))) + event_filter.promisc = (bool)json_object_get_boolean(obj); if (json_object_object_get_ex(filter, "rx_id", &obj) && (json_object_is_type(obj, json_type_int))) event_filter.rx_id = (canid_t) json_object_get_int(obj); diff --git a/low-can-binding/binding/low-can-subscription.cpp b/low-can-binding/binding/low-can-subscription.cpp index 3cbcb6c9..4bdf3181 100644 --- a/low-can-binding/binding/low-can-subscription.cpp +++ b/low-can-binding/binding/low-can-subscription.cpp @@ -254,6 +254,11 @@ float low_can_subscription_t::get_max() const return event_filter_.max; } +bool low_can_subscription_t::get_promisc() const +{ + return event_filter_.promisc; +} + /** * @brief Getter of the rx_id of the event_filter * @@ -314,6 +319,11 @@ void low_can_subscription_t::set_max(float max) event_filter_.max = max; } +void low_can_subscription_t::set_promisc(bool promisc) +{ + event_filter_.promisc = promisc; +} + /** * @brief Setter for the rx_id of the event_filter * @@ -409,30 +419,32 @@ int low_can_subscription_t::open_socket(low_can_subscription_t &subscription, co else if(flags & J1939_ADDR_CLAIM_PROTOCOL) { pgn_t pgn = J1939_NO_PGN; + std::shared_ptr socket = std::make_shared(); if(!bus_name.empty()) { - std::shared_ptr socket = std::make_shared(); ret = socket->open(bus_name, pgn); - subscription.socket_ = socket; } + subscription.socket_ = socket; subscription.index_ = (int)subscription.socket_->socket(); } else if(flags & J1939_PROTOCOL) { pgn_t pgn = J1939_NO_PGN; + std::shared_ptr socket = std::make_shared(); if(subscription.signal_) { pgn = subscription.signal_->get_message()->get_id(); - std::shared_ptr socket = std::make_shared(); ret = socket->open(subscription.signal_->get_message()->get_bus_device_name(), pgn); - subscription.socket_ = socket; } else if(!bus_name.empty()) { - std::shared_ptr socket = std::make_shared(); ret = socket->open(bus_name, pgn); - subscription.socket_ = socket; } + + if(ret) + socket->define_opt(!j1939_pgn_is_pdu1(pgn),subscription.event_filter_.promisc); + + subscription.socket_ = socket; subscription.index_ = (int)subscription.socket_->socket(); } #endif diff --git a/low-can-binding/binding/low-can-subscription.hpp b/low-can-binding/binding/low-can-subscription.hpp index fa6b795e..972b6d61 100644 --- a/low-can-binding/binding/low-can-subscription.hpp +++ b/low-can-binding/binding/low-can-subscription.hpp @@ -35,12 +35,13 @@ struct event_filter_t float frequency; ///< frequency - Maximum frequency which will be received and pushed to a subscribed event. float min; ///< min - Minimum value that the signal doesn't have to go below to be pushed. float max; ///< max - Maximum value that the signal doesn't have to go above to be pushed. + bool promisc; // get_socket(); @@ -95,6 +97,7 @@ public: void set_min(float min); void set_max(float max); void set_index(int index); + void set_promisc(bool promisc); void set_rx_id(canid_t rx_id); void set_tx_id(canid_t tx_id); void set_signal(std::shared_ptr signal); diff --git a/low-can-binding/utils/socketcan-j1939/socketcan-j1939-addressclaiming.cpp b/low-can-binding/utils/socketcan-j1939/socketcan-j1939-addressclaiming.cpp index ebb39742..1ba590ba 100644 --- a/low-can-binding/utils/socketcan-j1939/socketcan-j1939-addressclaiming.cpp +++ b/low-can-binding/utils/socketcan-j1939/socketcan-j1939-addressclaiming.cpp @@ -50,7 +50,7 @@ namespace utils { if(jm->get_addr() >= J1939_IDLE_ADDR) { - AFB_DEBUG("Get invalid address claiming by name : %x",(unsigned int)jm->get_name()); + AFB_DEBUG("Get invalid address claiming by name (maybe logout) : %x",(unsigned int)jm->get_name()); return invalid_message; } diff --git a/low-can-binding/utils/socketcan-j1939/socketcan-j1939-data.cpp b/low-can-binding/utils/socketcan-j1939/socketcan-j1939-data.cpp index 08c13752..2be275d9 100644 --- a/low-can-binding/utils/socketcan-j1939/socketcan-j1939-data.cpp +++ b/low-can-binding/utils/socketcan-j1939/socketcan-j1939-data.cpp @@ -31,15 +31,7 @@ namespace utils */ 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; + return socketcan_j1939_t::open(device_name, htole64(J1939_NAME_ECU), pgn, J1939_NO_ADDR); } /** diff --git a/low-can-binding/utils/socketcan-j1939/socketcan-j1939.cpp b/low-can-binding/utils/socketcan-j1939/socketcan-j1939.cpp index 90e68218..0e5a671b 100644 --- a/low-can-binding/utils/socketcan-j1939/socketcan-j1939.cpp +++ b/low-can-binding/utils/socketcan-j1939/socketcan-j1939.cpp @@ -87,18 +87,16 @@ namespace utils /** * @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) + * @param promisc - Allows to accept all packets that the socket receives even if they are not addressed directly to it */ - void socketcan_j1939_t::define_opt(bool promisc, bool recv_own_msgs, bool broadcast) + void socketcan_j1939_t::define_opt(bool broadcast, bool promisc) { - int promisc_i = promisc ? 1 : 0; - //int recv_own_msgs_i = recv_own_msgs ? 1 : 0; int broadcast_i = broadcast ? 1 : 0; + int promisc_i = promisc ? 1 : 0; - setopt(SOL_CAN_J1939, SO_J1939_PROMISC, &promisc_i, sizeof(promisc_i)); setopt(SOL_SOCKET, SO_BROADCAST, &broadcast_i, sizeof(broadcast_i)); + setopt(SOL_CAN_J1939, SO_J1939_PROMISC, &promisc_i, sizeof(promisc_i)); } diff --git a/low-can-binding/utils/socketcan-j1939/socketcan-j1939.hpp b/low-can-binding/utils/socketcan-j1939/socketcan-j1939.hpp index 1ae8d1c9..c68500fb 100644 --- a/low-can-binding/utils/socketcan-j1939/socketcan-j1939.hpp +++ b/low-can-binding/utils/socketcan-j1939/socketcan-j1939.hpp @@ -29,6 +29,17 @@ #define J1939_NAME_ECU 0x1234 #endif +#define J1939_CAN_ID CAN_EFF_FLAG +#define J1939_CAN_MASK (CAN_EFF_FLAG | CAN_RTR_FLAG) + + +// PDU 1 = NO BROADCAST +// PDU 2 = BRODCAST +static inline bool j1939_pgn_is_pdu1(pgn_t pgn) +{ + return (pgn & 0xff00) < 0xf000; +} + namespace utils { @@ -54,6 +65,7 @@ namespace utils virtual std::shared_ptr read_message(int flag); virtual int write_message(message_t& obj); virtual int write_j1939_message(pgn_t pgn, std::vector &data, uint32_t len_data); + void define_opt(bool broadcast = true, bool promisc = false); protected: struct ifreq ifr_; @@ -61,7 +73,7 @@ namespace utils static std::condition_variable signal_address_claiming_; void define_tx_address(std::string device_name, name_t name, pgn_t pgn, uint8_t addr); int 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); + }; } -- cgit 1.2.3-korg