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Fix characteristic value unable to be updated in callback #840

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merged 1 commit into from
Jan 5, 2025
Merged

Fix characteristic value unable to be updated in callback #840

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7 changes: 4 additions & 3 deletions src/NimBLEServer.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -611,8 +611,9 @@ int NimBLEServer::handleGattEvent(uint16_t connHandle, uint16_t attrHandle, ble_
NIMBLE_LOGD(LOG_TAG,
"Gatt %s event",
(ctxt->op == BLE_GATT_ACCESS_OP_READ_CHR || ctxt->op == BLE_GATT_ACCESS_OP_READ_DSC) ? "Read" : "Write");
auto pAtt = static_cast<NimBLELocalValueAttribute*>(arg);
auto val = pAtt->getAttVal();
auto pAtt = static_cast<NimBLELocalValueAttribute*>(arg);
const NimBLEAttValue& val = pAtt->getAttVal();

NimBLEConnInfo peerInfo{};
ble_gap_conn_find(connHandle, &peerInfo.m_desc);

Expand All @@ -623,7 +624,7 @@ int NimBLEServer::handleGattEvent(uint16_t connHandle, uint16_t attrHandle, ble_
if (connHandle != BLE_HS_CONN_HANDLE_NONE) {
// If the packet header is only 8 bytes then this is a follow up of a long read
// so we don't want to call the onRead() callback again.
if (ctxt->om->om_pkthdr_len > 8 || pAtt->getAttVal().size() <= (ble_att_mtu(connHandle) - 3)) {
if (ctxt->om->om_pkthdr_len > 8 || val.size() <= (ble_att_mtu(connHandle) - 3)) {
pAtt->readEvent(peerInfo);
}
}
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