Added support for read and read blob
Note: There are request data created and provided to the user in the
read_cb. User is responsible to free this data.
---
android/gatt.c | 67 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 67 insertions(+)
diff --git a/android/gatt.c b/android/gatt.c
index cd9ce86..88a285f 100644
--- a/android/gatt.c
+++ b/android/gatt.c
@@ -3736,8 +3736,69 @@ static uint8_t read_by_type(const uint8_t *cmd, uint16_t cmd_len,
struct req_data {
struct gatt_device *dev;
uint8_t opcode;
+
+ bool long_read;
};
+static void gatt_request_complete(void *data, const uint8_t *pdu, uint16_t len)
+{
+ struct req_data *d = data;
+
+ if (pdu)
+ g_attrib_send(d->dev->attrib, 0, pdu, len, NULL, NULL, NULL);
+ else
+ error("gatt: gatt_request_complete: pdu not present ?!");
+
+ free(d);
+}
+
+static uint8_t read_request(const uint8_t *cmd, uint16_t cmd_len,
+ struct gatt_device *dev)
+{
+ uint16_t handle;
+ uint16_t len;
+ uint16_t offset = 0;
+ struct req_data *req_data;
+
+ DBG("");
+
+ req_data = new0(struct req_data, 1);
+ if (!req_data)
+ return ATT_ECODE_INSUFF_RESOURCES;
+
+ switch (cmd[0]) {
+ case ATT_OP_READ_BLOB_REQ:
+ len = dec_read_blob_req(cmd, cmd_len, &handle, &offset);
+ if (!len) {
+ free(req_data);
+ return ATT_ECODE_INVALID_PDU;
+ }
+ req_data->long_read = true;
+ break;
+ case ATT_OP_READ_REQ:
+ len = dec_read_req(cmd, cmd_len, &handle);
+ if (!len) {
+ free(req_data);
+ return ATT_ECODE_INVALID_PDU;
+ }
+ break;
+ default:
+ error("gatt: Unexpected read type 0x%02x", cmd[0]);
+ free(req_data);
+ return ATT_ECODE_REQ_NOT_SUPP;
+ }
+
+ req_data->dev = dev;
+ req_data->opcode = cmd[0];
+
+ if (!gatt_db_read(gatt_db, handle, offset, req_data, gatt_request_complete)) {
+ free(req_data);
+ return ATT_ECODE_UNLIKELY;
+ }
+
+ return 0;
+}
+
static void att_handler(const uint8_t *ipdu, uint16_t len, gpointer user_data)
{
struct gatt_device *dev = user_data;
@@ -3765,6 +3826,12 @@ static void att_handler(const uint8_t *ipdu, uint16_t len, gpointer user_data)
break;
case ATT_OP_READ_REQ:
case ATT_OP_READ_BLOB_REQ:
+ status = read_request(ipdu, len, dev);
+ if (!status)
+ /* Response will be sent in callback */
+ return;
+ break;
+
case ATT_OP_MTU_REQ:
case ATT_OP_FIND_INFO_REQ:
case ATT_OP_WRITE_REQ:
--
1.8.4
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