L2CAPComm::connect: Retry connect on ETIMEDOUT up to 3, working around rare system timeouts.

1 files changed, 5 insertions, 0 deletions

diff --git a/api/direct_bt/L2CAPComm.hpp b/api/direct_bt/L2CAPComm.hpp
index 80e27e6e..4db7e84b 100644
--- a/api/direct_bt/L2CAPComm.hpp
+++ b/api/direct_bt/L2CAPComm.hpp
@@ -60,6 +60,11 @@ namespace direct_bt {
 
             static std::string getStateString(const State state);
 
+            enum class Defaults : int {
+                L2CAP_CONNECT_MAX_RETRY = 3
+            };
+            static inline int number(const Defaults d) { return static_cast<int>(d); }
+
         private:
             static int l2cap_open_dev(const EUI48 & adapterAddress, const uint16_t psm, const uint16_t cid, const bool pubaddr, const bool blocking);
             static int l2cap_close_dev(int dd);