From 799757ccf1d03c33c75bc597cd5ef77741dcb6a7 Mon Sep 17 00:00:00 2001 From: Adrian Bunk Date: Fri, 3 Jun 2011 09:17:04 +0000 Subject: Imported upstream 4.91 --- attrib/utils.c | 126 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 126 insertions(+) create mode 100644 attrib/utils.c (limited to 'attrib/utils.c') diff --git a/attrib/utils.c b/attrib/utils.c new file mode 100644 index 0000000..5f4444a --- /dev/null +++ b/attrib/utils.c @@ -0,0 +1,126 @@ +/* + * + * BlueZ - Bluetooth protocol stack for Linux + * + * Copyright (C) 2011 Nokia Corporation + * + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + * + */ + +#include +#include + +#include +#include +#include +#include +#include + +#include "gattrib.h" +#include "gatt.h" +#include "btio.h" +#include "gatttool.h" + +/* Minimum MTU for ATT connections */ +#define ATT_MIN_MTU_LE 23 +#define ATT_MIN_MTU_L2CAP 48 + +GIOChannel *gatt_connect(const gchar *src, const gchar *dst, + const gchar *sec_level, int psm, int mtu, + BtIOConnect connect_cb) +{ + GIOChannel *chan; + bdaddr_t sba, dba; + GError *err = NULL; + BtIOSecLevel sec; + int minimum_mtu; + + /* This check is required because currently setsockopt() returns no + * errors for MTU values smaller than the allowed minimum. */ + minimum_mtu = psm ? ATT_MIN_MTU_L2CAP : ATT_MIN_MTU_LE; + if (mtu != 0 && mtu < minimum_mtu) { + g_printerr("MTU cannot be smaller than %d\n", minimum_mtu); + return NULL; + } + + /* Remote device */ + if (dst == NULL) { + g_printerr("Remote Bluetooth address required\n"); + return NULL; + } + str2ba(dst, &dba); + + /* Local adapter */ + if (src != NULL) { + if (!strncmp(src, "hci", 3)) + hci_devba(atoi(src + 3), &sba); + else + str2ba(src, &sba); + } else + bacpy(&sba, BDADDR_ANY); + + if (strcmp(sec_level, "medium") == 0) + sec = BT_IO_SEC_MEDIUM; + else if (strcmp(sec_level, "high") == 0) + sec = BT_IO_SEC_HIGH; + else + sec = BT_IO_SEC_LOW; + + if (psm == 0) + chan = bt_io_connect(BT_IO_L2CAP, connect_cb, NULL, NULL, &err, + BT_IO_OPT_SOURCE_BDADDR, &sba, + BT_IO_OPT_DEST_BDADDR, &dba, + BT_IO_OPT_CID, GATT_CID, + BT_IO_OPT_OMTU, mtu, + BT_IO_OPT_SEC_LEVEL, sec, + BT_IO_OPT_INVALID); + else + chan = bt_io_connect(BT_IO_L2CAP, connect_cb, NULL, NULL, &err, + BT_IO_OPT_SOURCE_BDADDR, &sba, + BT_IO_OPT_DEST_BDADDR, &dba, + BT_IO_OPT_PSM, psm, + BT_IO_OPT_OMTU, mtu, + BT_IO_OPT_SEC_LEVEL, sec, + BT_IO_OPT_INVALID); + + if (err) { + g_printerr("%s\n", err->message); + g_error_free(err); + return NULL; + } + + return chan; +} + +size_t gatt_attr_data_from_string(const char *str, uint8_t **data) +{ + char tmp[3]; + size_t size, i; + + size = strlen(str) / 2; + *data = g_try_malloc0(size); + if (*data == NULL) + return 0; + + tmp[2] = '\0'; + for (i = 0; i < size; i++) { + memcpy(tmp, str + (i * 2), 2); + (*data)[i] = (uint8_t) strtol(tmp, NULL, 16); + } + + return size; +} -- cgit v1.2.3