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Limit delay in NimBLEClient::connect to connection timeout.

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In the case the controller become unresponsive, or does not comply with the timeout period,
this will ensure the application continues instead of potentially blocking forever.
This commit is contained in:
h2zero 2021-01-13 22:00:39 -07:00
parent 6ee1cc236a
commit c157680575
1 changed files with 17 additions and 3 deletions
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20
src/NimBLEClient.cpp
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@ -246,9 +246,23 @@ bool NimBLEClient::connect(const NimBLEAddress &address, bool deleteAttibutes) {
} while (rc == BLE_HS_EBUSY);
// Wait for the connection to complete.
ulTaskNotifyTake(pdTRUE, portMAX_DELAY);
if(taskData.rc != 0){
// Wait for the connect timeout time +1 second for the connection to complete
if(ulTaskNotifyTake(pdTRUE, pdMS_TO_TICKS(m_connectTimeout + 1000)) == pdFALSE) {
m_pTaskData = nullptr;
// If a connection was made but no response from MTU exchange; disconnect
if(isConnected()) {
NIMBLE_LOGE(LOG_TAG, "Connect timeout - no response");
disconnect();
} else {
// workaround; if the controller doesn't cancel the connection
// at the timeout cancel it here.
NIMBLE_LOGE(LOG_TAG, "Connect timeout - cancelling");
ble_gap_conn_cancel();
}
return false;
} else if(taskData.rc != 0){
NIMBLE_LOGE(LOG_TAG, "Connection failed; status=%d %s",
taskData.rc,
NimBLEUtils::returnCodeToString(taskData.rc));