[PATCH BlueZ 5/8] emulator: Split default_cmd() for better command and event handler

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From: Eder Ruiz Maria <eder.ruiz@xxxxxxxxxxxxx>

Now except for command complete event and command status event, all
other are handled by default_cmd_completion(). With this we can easily
add hooks in some points.
---
 emulator/btdev.c |  129 ++++++++++++++++++++++++++++++++++++++++--------------
 1 file changed, 97 insertions(+), 32 deletions(-)

diff --git a/emulator/btdev.c b/emulator/btdev.c
index b8ac8f6..e863b5f 100644
--- a/emulator/btdev.c
+++ b/emulator/btdev.c
@@ -896,16 +896,7 @@ static void le_set_scan_enable_complete(struct btdev *btdev)
 static void default_cmd(struct btdev *btdev, uint16_t opcode,
 						const void *data, uint8_t len)
 {
-	const struct bt_hci_cmd_create_conn *cc;
-	const struct bt_hci_cmd_disconnect *dc;
-	const struct bt_hci_cmd_create_conn_cancel *ccc;
-	const struct bt_hci_cmd_accept_conn_request *acr;
-	const struct bt_hci_cmd_reject_conn_request *rcr;
-	const struct bt_hci_cmd_remote_name_request *rnr;
 	const struct bt_hci_cmd_remote_name_request_cancel *rnrc;
-	const struct bt_hci_cmd_read_remote_features *rrf;
-	const struct bt_hci_cmd_read_remote_ext_features *rref;
-	const struct bt_hci_cmd_read_remote_version *rrv;
 	const struct bt_hci_cmd_write_default_link_policy *wdlp;
 	const struct bt_hci_cmd_set_event_mask *sem;
 	const struct bt_hci_cmd_set_event_filter *sef;
@@ -970,7 +961,6 @@ static void default_cmd(struct btdev *btdev, uint16_t opcode,
 		if (btdev->type == BTDEV_TYPE_LE)
 			goto unsupported;
 		cmd_status(btdev, BT_HCI_ERR_SUCCESS, opcode);
-		inquiry_complete(btdev, BT_HCI_ERR_SUCCESS);
 		break;
 
 	case BT_HCI_CMD_INQUIRY_CANCEL:
@@ -983,47 +973,35 @@ static void default_cmd(struct btdev *btdev, uint16_t opcode,
 	case BT_HCI_CMD_CREATE_CONN:
 		if (btdev->type == BTDEV_TYPE_LE)
 			goto unsupported;
-		cc = data;
 		cmd_status(btdev, BT_HCI_ERR_SUCCESS, opcode);
-		conn_request(btdev, cc->bdaddr);
 		break;
 
 	case BT_HCI_CMD_DISCONNECT:
-		dc = data;
 		cmd_status(btdev, BT_HCI_ERR_SUCCESS, opcode);
-		disconnect_complete(btdev, le16_to_cpu(dc->handle), dc->reason);
 		break;
 
 	case BT_HCI_CMD_CREATE_CONN_CANCEL:
 		if (btdev->type == BTDEV_TYPE_LE)
 			goto unsupported;
-		ccc = data;
 		cmd_status(btdev, BT_HCI_ERR_SUCCESS, opcode);
-		conn_complete(btdev, ccc->bdaddr, BT_HCI_ERR_UNKNOWN_CONN_ID);
 		break;
 
 	case BT_HCI_CMD_ACCEPT_CONN_REQUEST:
 		if (btdev->type == BTDEV_TYPE_LE)
 			goto unsupported;
-		acr = data;
 		cmd_status(btdev, BT_HCI_ERR_SUCCESS, opcode);
-		conn_complete(btdev, acr->bdaddr, BT_HCI_ERR_SUCCESS);
 		break;
 
 	case BT_HCI_CMD_REJECT_CONN_REQUEST:
 		if (btdev->type == BTDEV_TYPE_LE)
 			goto unsupported;
-		rcr = data;
 		cmd_status(btdev, BT_HCI_ERR_SUCCESS, opcode);
-		conn_complete(btdev, rcr->bdaddr, BT_HCI_ERR_UNKNOWN_CONN_ID);
 		break;
 
 	case BT_HCI_CMD_REMOTE_NAME_REQUEST:
 		if (btdev->type == BTDEV_TYPE_LE)
 			goto unsupported;
-		rnr = data;
 		cmd_status(btdev, BT_HCI_ERR_SUCCESS, opcode);
-		name_request_complete(btdev, rnr->bdaddr, BT_HCI_ERR_SUCCESS);
 		break;
 
 	case BT_HCI_CMD_REMOTE_NAME_REQUEST_CANCEL:
@@ -1033,31 +1011,22 @@ static void default_cmd(struct btdev *btdev, uint16_t opcode,
 		rnrc_rsp.status = BT_HCI_ERR_SUCCESS;
 		memcpy(rnrc_rsp.bdaddr, rnrc->bdaddr, 6);
 		cmd_complete(btdev, opcode, &rnrc_rsp, sizeof(rnrc_rsp));
-		name_request_complete(btdev, rnrc->bdaddr,
-						BT_HCI_ERR_UNKNOWN_CONN_ID);
 		break;
 
 	case BT_HCI_CMD_READ_REMOTE_FEATURES:
 		if (btdev->type == BTDEV_TYPE_LE)
 			goto unsupported;
-		rrf = data;
 		cmd_status(btdev, BT_HCI_ERR_SUCCESS, opcode);
-		remote_features_complete(btdev, le16_to_cpu(rrf->handle));
 		break;
 
 	case BT_HCI_CMD_READ_REMOTE_EXT_FEATURES:
 		if (btdev->type == BTDEV_TYPE_LE)
 			goto unsupported;
-		rref = data;
 		cmd_status(btdev, BT_HCI_ERR_SUCCESS, opcode);
-		remote_ext_features_complete(btdev, le16_to_cpu(rref->handle),
-								rref->page);
 		break;
 
 	case BT_HCI_CMD_READ_REMOTE_VERSION:
-		rrv = data;
 		cmd_status(btdev, BT_HCI_ERR_SUCCESS, opcode);
-		remote_version_complete(btdev, le16_to_cpu(rrv->handle));
 		break;
 
 	case BT_HCI_CMD_READ_DEFAULT_LINK_POLICY:
@@ -1630,6 +1599,97 @@ unsupported:
 	cmd_status(btdev, BT_HCI_ERR_UNKNOWN_COMMAND, opcode);
 }
 
+static void default_cmd_completion(struct btdev *btdev, uint16_t opcode,
+						const void *data, uint8_t len)
+{
+	const struct bt_hci_cmd_create_conn *cc;
+	const struct bt_hci_cmd_disconnect *dc;
+	const struct bt_hci_cmd_create_conn_cancel *ccc;
+	const struct bt_hci_cmd_accept_conn_request *acr;
+	const struct bt_hci_cmd_reject_conn_request *rcr;
+	const struct bt_hci_cmd_remote_name_request *rnr;
+	const struct bt_hci_cmd_remote_name_request_cancel *rnrc;
+	const struct bt_hci_cmd_read_remote_features *rrf;
+	const struct bt_hci_cmd_read_remote_ext_features *rref;
+	const struct bt_hci_cmd_read_remote_version *rrv;
+
+	switch (opcode) {
+	case BT_HCI_CMD_INQUIRY:
+		if (btdev->type == BTDEV_TYPE_LE)
+			return;
+		inquiry_complete(btdev, BT_HCI_ERR_SUCCESS);
+		break;
+
+	case BT_HCI_CMD_CREATE_CONN:
+		if (btdev->type == BTDEV_TYPE_LE)
+			return;
+		cc = data;
+		conn_request(btdev, cc->bdaddr);
+		break;
+
+	case BT_HCI_CMD_DISCONNECT:
+		dc = data;
+		disconnect_complete(btdev, le16_to_cpu(dc->handle), dc->reason);
+		break;
+
+	case BT_HCI_CMD_CREATE_CONN_CANCEL:
+		if (btdev->type == BTDEV_TYPE_LE)
+			return;
+		ccc = data;
+		conn_complete(btdev, ccc->bdaddr, BT_HCI_ERR_UNKNOWN_CONN_ID);
+		break;
+
+	case BT_HCI_CMD_ACCEPT_CONN_REQUEST:
+		if (btdev->type == BTDEV_TYPE_LE)
+			return;
+		acr = data;
+		conn_complete(btdev, acr->bdaddr, BT_HCI_ERR_SUCCESS);
+		break;
+
+	case BT_HCI_CMD_REJECT_CONN_REQUEST:
+		if (btdev->type == BTDEV_TYPE_LE)
+			return;
+		rcr = data;
+		conn_complete(btdev, rcr->bdaddr, BT_HCI_ERR_UNKNOWN_CONN_ID);
+		break;
+
+	case BT_HCI_CMD_REMOTE_NAME_REQUEST:
+		if (btdev->type == BTDEV_TYPE_LE)
+			return;
+		rnr = data;
+		name_request_complete(btdev, rnr->bdaddr, BT_HCI_ERR_SUCCESS);
+		break;
+
+	case BT_HCI_CMD_REMOTE_NAME_REQUEST_CANCEL:
+		if (btdev->type == BTDEV_TYPE_LE)
+			return;
+		rnrc = data;
+		name_request_complete(btdev, rnrc->bdaddr,
+						BT_HCI_ERR_UNKNOWN_CONN_ID);
+		break;
+
+	case BT_HCI_CMD_READ_REMOTE_FEATURES:
+		if (btdev->type == BTDEV_TYPE_LE)
+			return;
+		rrf = data;
+		remote_features_complete(btdev, le16_to_cpu(rrf->handle));
+		break;
+
+	case BT_HCI_CMD_READ_REMOTE_EXT_FEATURES:
+		if (btdev->type == BTDEV_TYPE_LE)
+			return;
+		rref = data;
+		remote_ext_features_complete(btdev, le16_to_cpu(rref->handle),
+								rref->page);
+		break;
+
+	case BT_HCI_CMD_READ_REMOTE_VERSION:
+		rrv = data;
+		remote_version_complete(btdev, le16_to_cpu(rrv->handle));
+		break;
+	}
+}
+
 struct btdev_callback {
 	void (*function)(btdev_callback callback, uint8_t response,
 				uint8_t status, const void *data, uint8_t len);
@@ -1654,6 +1714,8 @@ static void handler_callback(btdev_callback callback, uint8_t response,
 	case BTDEV_RESPONSE_DEFAULT:
 		default_cmd(btdev, callback->opcode,
 					callback->data, callback->len);
+		default_cmd_completion(btdev, callback->opcode,
+					callback->data, callback->len);
 		break;
 	case BTDEV_RESPONSE_COMMAND_STATUS:
 		cmd_status(btdev, status, callback->opcode);
@@ -1686,9 +1748,12 @@ static void process_cmd(struct btdev *btdev, const void *data, uint16_t len)
 		btdev->command_handler(callback.opcode,
 					callback.data, callback.len,
 					&callback, btdev->command_data);
-	else
+	else {
 		default_cmd(btdev, callback.opcode,
 					callback.data, callback.len);
+		default_cmd_completion(btdev, callback.opcode,
+					callback.data, callback.len);
+	}
 }
 
 void btdev_receive_h4(struct btdev *btdev, const void *data, uint16_t len)
-- 
1.7.9.5

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