Return-Path: From: Arman Uguray To: linux-bluetooth@vger.kernel.org Cc: Arman Uguray Subject: [PATCH 04/10] shared/att: Implement outgoing "Read" request/response. Date: Thu, 26 Jun 2014 16:14:11 -0700 Message-Id: <1403824457-22461-5-git-send-email-armansito@chromium.org> In-Reply-To: <1403824457-22461-1-git-send-email-armansito@chromium.org> References: <1403824457-22461-1-git-send-email-armansito@chromium.org> Sender: linux-bluetooth-owner@vger.kernel.org List-ID: This patch adds support for "Read" requests sent via bt_att_send and the corresponding response. --- src/shared/att.c | 45 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 45 insertions(+) diff --git a/src/shared/att.c b/src/shared/att.c index abf1440..288442f 100644 --- a/src/shared/att.c +++ b/src/shared/att.c @@ -261,6 +261,30 @@ static bool encode_read_by_type_req(struct att_send_op *op, return true; } +static bool encode_read_req(struct att_send_op *op, + const void *param, uint16_t length, + uint16_t mtu) +{ + const struct bt_att_read_req_param *p = param; + uint16_t len = 3; + + if (length != sizeof(*p)) + return false; + + if (len > mtu) + return false; + + op->pdu = malloc(len); + if (!op->pdu) + return false; + + ((uint8_t *) op->pdu)[0] = op->opcode; + put_le16(p->handle, ((uint8_t *) op->pdu) + 1); + op->len = len; + + return true; +} + static bool encode_pdu(struct att_send_op *op, const void *param, uint16_t length, uint16_t mtu) { @@ -293,6 +317,8 @@ static bool encode_pdu(struct att_send_op *op, const void *param, return encode_find_by_type_val_req(op, param, length, mtu); case BT_ATT_OP_READ_BY_TYPE_REQ: return encode_read_by_type_req(op, param, length, mtu); + case BT_ATT_OP_READ_REQ: + return encode_read_req(op, param, length, mtu); default: break; } @@ -649,6 +675,22 @@ static bool handle_read_by_type_rsp(struct bt_att *att, uint8_t opcode, ¶m, sizeof(param)); } +static bool handle_read_rsp(struct bt_att *att, uint8_t opcode, uint8_t *pdu, + ssize_t pdu_len) +{ + struct bt_att_read_rsp_param param; + + memset(¶m, 0, sizeof(param)); + + if (pdu_len > 1) { + param.length = pdu_len - 1; + param.value = pdu + 1; + } + + return request_complete(att, BT_ATT_OP_READ_REQ, opcode, ¶m, + sizeof(param)); +} + static void handle_rsp(struct bt_att *att, uint8_t opcode, uint8_t *pdu, ssize_t pdu_len) { @@ -671,6 +713,9 @@ static void handle_rsp(struct bt_att *att, uint8_t opcode, uint8_t *pdu, case BT_ATT_OP_READ_BY_TYPE_RSP: success = handle_read_by_type_rsp(att, opcode, pdu, pdu_len); break; + case BT_ATT_OP_READ_RSP: + success = handle_read_rsp(att, opcode, pdu, pdu_len); + break; default: success = false; util_debug(att->debug_callback, att->debug_data, -- 2.0.0.526.g5318336