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authorRomain Forlot <romain.forlot@iot.bzh>2017-02-24 14:14:48 +0000
committerRomain Forlot <romain.forlot@iot.bzh>2017-02-24 14:14:48 +0000
commit9a8dcb99c3efb5b00b0a014e4699655d479d9925 (patch)
tree912d8e9923b4adf71f973239500743e459bed4d3 /src/low-can-binding.cpp
parent5c0c41e87ed5d1a2de7d336465c3beb3987a299f (diff)
Improve mutex lock logic.
- Use of bracket instead of unlock method - Change some mutex lock scope. - Added subscribed_signals map object mutex to manipulate it safely. Change-Id: I770c0b5701db6b1151511f7360ec31ae6dcc1de9 Signed-off-by: Romain Forlot <romain.forlot@iot.bzh>
Diffstat (limited to 'src/low-can-binding.cpp')
-rw-r--r--src/low-can-binding.cpp20
1 files changed, 5 insertions, 15 deletions
diff --git a/src/low-can-binding.cpp b/src/low-can-binding.cpp
index 2151790..be2d373 100644
--- a/src/low-can-binding.cpp
+++ b/src/low-can-binding.cpp
@@ -19,6 +19,7 @@
#include "low-can-binding.hpp"
#include <queue>
+#include <mutex>
#include <vector>
#include <thread>
#include <fcntl.h>
@@ -34,7 +35,6 @@
extern "C"
{
- #include <afb/afb-binding.h>
#include <afb/afb-service-itf.h>
};
@@ -43,15 +43,6 @@ extern "C"
*/
const struct afb_binding_interface *binder_interface;
-/*
- * CAN bus handler pointer. This is the object that will be use to
- * initialize each CAN devices specified into the configuration file
- *
- * It is used by the reading thread also because of its can_message_q_ queue
- * that store CAN messages read from the socket.
- */
-can_bus_t *can_bus_handler;
-
/********************************************************************************
*
* Subscription and unsubscription
@@ -86,7 +77,7 @@ static int subscribe_unsubscribe_signal(struct afb_req request, bool subscribe,
{
int ret;
- // TODO: lock the subscribed_signals when insert/remove
+ std::lock_guard<std::mutex> subscribed_signals_lock(subscribed_signals_mutex);
auto ss_i = subscribed_signals.find(sig.genericName);
if (ss_i != subscribed_signals.end() && !afb_event_is_valid(ss_i->second))
{
@@ -243,13 +234,12 @@ extern "C"
fd_conf = afb_daemon_rootdir_open_locale(binder_interface->daemon, "can_bus.json", O_RDONLY, NULL);
/* Initialize the CAN bus handler */
- can_bus_t cbh(fd_conf);
- can_bus_handler = &cbh;
+ can_bus_t can_bus_handler(fd_conf);
/* Open CAN socket */
- if(can_bus_handler->init_can_dev() == 0)
+ if(can_bus_handler.init_can_dev() == 0)
{
- can_bus_handler->start_threads();
+ can_bus_handler.start_threads();
return 0;
}
ERROR(binder_interface, "There was something wrong with CAN device Initialization. Check your config file maybe");