socket: Raise an error if open function failed.

[apps/agl-service-can-low-level.git] / low-can-binding / utils / socketcan-j1939 / socketcan-j1939.cpp

diff --git a/low-can-binding/utils/socketcan-j1939/socketcan-j1939.cpp b/low-can-binding/utils/socketcan-j1939/socketcan-j1939.cpp
index 8ce16fb..000999f 100644 (file)
--- a/low-can-binding/utils/socketcan-j1939/socketcan-j1939.cpp
+++ b/low-can-binding/utils/socketcan-j1939/socketcan-j1939.cpp
@@ -42,8 +42,8 @@ namespace utils
         */
        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);
+       //      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));
@@ -153,7 +153,7 @@ namespace utils
         */
        int socketcan_j1939_t::open(std::string device_name)
        {
-               return open(device_name,0,0,0);
+               return open(device_name, 0, 0, 0);
        }
 
        /**
@@ -169,8 +169,10 @@ namespace utils
        {
 
                socket_ = socketcan_t::open(PF_CAN, SOCK_DGRAM, CAN_J1939);
+               if (socket_ < 0)
+                       return socket_;
 
-               define_tx_address(device_name,name,pgn,addr);
+               define_tx_address(device_name, name, pgn, addr);
 
                if(bind((struct sockaddr *)&tx_address_, sizeof(tx_address_)) < 0)
                {
@@ -231,7 +233,7 @@ namespace utils
        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(len_data, data, 0, 0, pgn, 0);
-               msg.set_sockname(pgn,J1939_NO_NAME,J1939_NO_ADDR);
+               msg.set_sockname(pgn, J1939_NO_NAME, J1939_NO_ADDR);
                return write_message(msg);
        }