This patch enables MCAP in BlueZ.
Current implementation provides support for standard op. codes. Clock
Synchronization protocol is not yet supported.
---
Makefile.am | 11 +-
acinclude.m4 | 6 +
mcap/mcap.c | 2146 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
mcap/mcap.h | 176 +++++
mcap/mcap_lib.h | 162 +++++
5 files changed, 2500 insertions(+), 1 deletions(-)
create mode 100644 mcap/mcap.c
create mode 100644 mcap/mcap.h
create mode 100644 mcap/mcap_lib.h
diff --git a/Makefile.am b/Makefile.am
index f991121..bc88155 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -101,6 +101,7 @@ gdbus_sources = gdbus/gdbus.h gdbus/mainloop.c gdbus/object.c gdbus/watch.c
builtin_modules =
builtin_sources =
builtin_nodist =
+mcap_sources =
if PNATPLUGIN
builtin_modules += pnat
@@ -168,6 +169,10 @@ builtin_modules += service
builtin_sources += plugins/service.c
endif
+if MCAP
+mcap_sources += mcap/mcap_lib.h mcap/mcap.h mcap/mcap.c
+endif
+
builtin_modules += hciops
builtin_sources += plugins/hciops.c
@@ -196,7 +201,8 @@ src_bluetoothd_SOURCES = $(gdbus_sources) $(builtin_sources) \
src/adapter.h src/adapter.c \
src/device.h src/device.c \
src/dbus-common.c src/dbus-common.h \
- src/dbus-hci.h src/dbus-hci.c
+ src/dbus-hci.h src/dbus-hci.c \
+ $(mcap_sources)
src_bluetoothd_LDADD = lib/libbluetooth.la @GLIB_LIBS@ @DBUS_LIBS@ \
@CAPNG_LIBS@ -ldl
src_bluetoothd_LDFLAGS = -Wl,--export-dynamic \
@@ -318,6 +324,9 @@ AM_CFLAGS = @DBUS_CFLAGS@ @GLIB_CFLAGS@ @CAPNG_CFLAGS@ \
INCLUDES = -I$(builddir)/lib -I$(builddir)/src -I$(srcdir)/src \
-I$(srcdir)/audio -I$(srcdir)/sbc -I$(srcdir)/gdbus
+if MCAP
+INCLUDES += -I$(builddir)/mcap
+endif
pkgconfigdir = $(libdir)/pkgconfig
diff --git a/acinclude.m4 b/acinclude.m4
index f7bb047..b512cfb 100644
--- a/acinclude.m4
+++ b/acinclude.m4
@@ -167,6 +167,7 @@ AC_DEFUN([AC_ARG_BLUEZ], [
serial_enable=yes
network_enable=yes
service_enable=yes
+ mcap_enable=no
pnat_enable=no
tracer_enable=no
tools_enable=yes
@@ -215,6 +216,10 @@ AC_DEFUN([AC_ARG_BLUEZ], [
service_enable=${enableval}
])
+ AC_ARG_ENABLE(mcap, AC_HELP_STRING([--enable-mcap], [enable mcap support]), [
+ mcap_enable=${enableval}
+ ])
+
AC_ARG_ENABLE(pnat, AC_HELP_STRING([--enable-pnat], [enable pnat plugin]), [
pnat_enable=${enableval}
])
@@ -325,6 +330,7 @@ AC_DEFUN([AC_ARG_BLUEZ], [
AM_CONDITIONAL(SERIALPLUGIN, test "${serial_enable}" = "yes")
AM_CONDITIONAL(NETWORKPLUGIN, test "${network_enable}" = "yes")
AM_CONDITIONAL(SERVICEPLUGIN, test "${service_enable}" = "yes")
+ AM_CONDITIONAL(MCAP, test "${mcap_enable}" = "yes")
AM_CONDITIONAL(ECHOPLUGIN, test "no" = "yes")
AM_CONDITIONAL(PNATPLUGIN, test "${pnat_enable}" = "yes")
AM_CONDITIONAL(TRACER, test "${tracer_enable}" = "yes")
diff --git a/mcap/mcap.c b/mcap/mcap.c
new file mode 100644
index 0000000..5068054
--- /dev/null
+++ b/mcap/mcap.c
@@ -0,0 +1,2146 @@
+/*
+ *
+ * MCAP for BlueZ - Bluetooth protocol stack for Linux
+ *
+ * Copyright (C) 2010 GSyC/LibreSoft, Universidad Rey Juan Carlos.
+ *
+ * Authors:
+ * Santiago Carot-Nemesio <sancane at gmail.com>
+ * Jose Antonio Santos-Cadenas <santoscadenas at gmail.com>
+ *
+ * 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 <gdbus.h>
+#include "adapter.h"
+#include "logging.h"
+#include "btio.h"
+#include "error.h"
+
+#include <netinet/in.h>
+
+#include "mcap.h"
+#include "mcap_lib.h"
+
+#define RESPONSE_TIMER 2 /* seconds */
+#define MAX_CACHED 10 /* 10 devices */
+
+#define MCAP_ERROR mcap_error_quark()
+
+#define RELEASE_TIMER(__mcl) do { \
+ g_source_remove(__mcl->tid); \
+ __mcl->tid = 0; \
+} while(0)
+
+#define MCAP_IS_STD_OPCODE(_oc) (_oc >= MCAP_ERROR_RSP && \
+ _oc <= MCAP_MD_DELETE_MDL_RSP)
+
+typedef enum {
+ MCL_CONNECTED,
+ MCL_PENDING,
+ MCL_ACTIVE,
+ MCL_IDLE
+} MCLState;
+
+typedef enum {
+ MCL_ACCEPTOR,
+ MCL_INITIATOR,
+} MCLRole;
+
+typedef enum {
+ MCL_AVAILABLE,
+ MCL_WAITING_RSP,
+} MCAPCtrl;
+
+typedef enum {
+ MDL_WAITING,
+ MDL_CONNECTED,
+ MDL_DELETING,
+ MDL_CLOSED,
+} MDLState;
+
+struct mcap_mdl_cb {
+ mcap_mdl_event_cb mdl_connected; /* Remote device has created a mdl */
+ mcap_mdl_event_cb mdl_closed; /* Remote device has closed a mdl */
+ mcap_mdl_event_cb mdl_deleted; /* Remote device deletion of a mdl */
+ mcap_mdl_event_cb mdl_aborted; /* Remote device aborted the mdl creation */
+ mcap_remote_mdl_conn_req_cb mdl_conn_req; /* Remote deive requested a creation of a mdl */
+ mcap_remote_mdl_reconn_req_cb mdl_reconn_req; /* Remote device requested reconnection of a mdl */
+ gpointer user_data; /* user data */
+};
+
+struct mcap_session {
+ bdaddr_t src; /* Source address */
+ GIOChannel *ccio; /* Control Channel IO */
+ GIOChannel *dcio; /* Data Channel IO */
+ GSList *mcls; /* MCAP session list */
+ GSList *cached; /* List with all cached MCLs (MAX_CACHED macro) */
+ BtIOSecLevel sec; /* Security level */
+ mcap_mcl_event_cb mcl_connected_cb; /* New MCL connected */
+ mcap_mcl_event_cb mcl_reconnected_cb; /* Old MCL has been reconnected */
+ mcap_mcl_event_cb mcl_disconnected_cb; /* MCL disconnected */
+ mcap_mcl_event_cb mcl_uncached_cb; /* MCL has been removed from MCAP cache */
+ gpointer user_data; /* Data to be provided in a callbacks */
+};
+
+struct mcap_mcl {
+ struct mcap_session *ms; /* MCAP session where this MCL belongs */
+ bdaddr_t addr; /* device address */
+ GIOChannel *cc; /* MCAP Control Channel IO */
+ guint wid; /* MCL Watcher id */
+ GSList *mdls; /* List of Data Channels shorted by mdlid */
+ MCLState state; /* current MCL State */
+ MCLRole role; /* initiator or aceptor of this MCL*/
+ MCAPCtrl req; /* Request control flag */
+ void *priv_data; /* Temporal data to manage responses */
+ struct mcap_mdl_cb *cb; /* MDL callbacks */
+ guint tid; /* Timer id for waiting for a resposne */
+ uint8_t *lcmd; /* Last command sent */
+ guint ref; /* References counter */
+ uint8_t ctrl; /* MCL control flag */
+};
+
+#define MCAP_CTRL_CACHED 0x01 /* MCL is cached */
+#define MCAP_CTRL_STD_OP 0x02 /* Support for standard op codes */
+#define MCAP_CTRL_SYNC_OP 0x04 /* Support for synchronization commands */
+#define MCAP_CTRL_CONN 0x08 /* MCL is in connectcting process */
+#define MCAP_CTRL_FREE 0x10 /* MCL is marked as releasable */
+#define MCAP_CTRL_NOCACHE 0x20 /* MCL is marked as not cacheable */
+
+struct mcap_mdl {
+ struct mcap_mcl *mcl; /* MCAP mcl for this mdl */
+ GIOChannel *dc; /* MCAP Data Channel IO */
+ guint wid; /* MDL Watcher id */
+ uint16_t mdlid; /* MDL id */
+ uint8_t mdep_id; /* MCAP Data End Point */
+ MDLState state; /* MDL state */
+};
+
+struct connect_mcl {
+ struct mcap_mcl *mcl; /* MCL for this operation */
+ mcap_mcl_connect_cb connect_cb; /* Connect callback */
+ gpointer user_data; /* Callback user data */
+};
+
+typedef union {
+ mcap_mdl_operation_cb op;
+ mcap_mdl_operation_conf_cb op_conf;
+ mcap_mdl_del_cb del;
+} mcap_cb_type;
+
+struct mcap_mdl_op_cb {
+ struct mcap_mdl *mdl; /* MDL for this operation */
+ mcap_cb_type cb; /* Operation callback */
+ gpointer user_data; /* Callback user data */
+};
+
+static void mcap_notify_error(struct mcap_mcl *mcl, GError *err);
+static int mcap_send_data(int sock, const uint8_t *buf, uint32_t size);
+static int send4B_cmd(struct mcap_mcl *mcl, uint8_t oc,
+ uint8_t rc, uint16_t mdl);
+static int send5B_cmd(struct mcap_mcl *mcl, uint8_t oc, uint8_t rc,
+ uint16_t mdl, uint8_t param);
+
+/* MCAP finite state machine functions */
+static void proc_req_connected(struct mcap_mcl *mcl, uint8_t *cmd, uint32_t len);
+static void proc_req_pending(struct mcap_mcl *mcl, uint8_t *cmd, uint32_t len);
+static void proc_req_active(struct mcap_mcl *mcl, uint8_t *cmd, uint32_t len);
+
+static void (*proc_req[])(struct mcap_mcl *mcl, uint8_t *cmd, uint32_t len) = {
+ proc_req_connected,
+ proc_req_pending,
+ proc_req_active
+};
+
+static void mcap_park_mcl(struct mcap_mcl *mcl);
+static void mcap_unpark_mcl(struct mcap_mcl *mcl);
+
+struct mcap_mcl *mcap_mcl_ref(struct mcap_mcl *mcl);
+void mcap_mcl_unref(struct mcap_mcl *mcl);
+
+static void default_mdl_connected_cb(struct mcap_mdl *mdl, gpointer data)
+{
+ debug("MCAP Unmanaged mdl connection");
+}
+static void default_mdl_closed_cb(struct mcap_mdl *mdl, gpointer data)
+{
+ debug("MCAP Unmanaged mdl clsoed");
+}
+static void default_mdl_deleted_cb(struct mcap_mdl *mdl, gpointer data)
+{
+ debug("MCAP Unmanaged mdl deleted");
+}
+static uint8_t default_mdl_conn_req_cb(struct mcap_mcl *mcl,
+ uint8_t mdepid, uint16_t mdlid,
+ uint8_t *conf, gpointer data)
+{
+ debug("MCAP mdl remote connection aborted");
+ /* Due to this callback is not managed this request won't be supported */
+ return MCAP_REQUEST_NOT_SUPPORTED;
+}
+static uint8_t default_mdl_reconn_req_cb(struct mcap_mdl *mdl,
+ gpointer data)
+{
+ debug("MCAP mdl remote reconnection aborted");
+ /* Due to this callback is not managed this request won't be supported */
+ return MCAP_REQUEST_NOT_SUPPORTED;
+}
+
+static void set_default_cb(struct mcap_mcl *mcl)
+{
+ if (!mcl->cb)
+ mcl->cb = g_new0(struct mcap_mdl_cb, 1);
+
+ mcl->cb->mdl_connected = default_mdl_connected_cb;
+ mcl->cb->mdl_closed = default_mdl_closed_cb;
+ mcl->cb->mdl_deleted = default_mdl_deleted_cb;
+ mcl->cb->mdl_conn_req = default_mdl_conn_req_cb;
+ mcl->cb->mdl_reconn_req = default_mdl_reconn_req_cb;
+}
+
+static GQuark mcap_error_quark(void)
+{
+ return g_quark_from_static_string("mcap-error-quark");
+}
+
+static char *error2str(uint8_t rc)
+{
+ switch (rc) {
+ case MCAP_SUCCESS:
+ return "Success";
+ case MCAP_INVALID_OP_CODE:
+ return "Invalid Op Code";
+ case MCAP_INVALID_PARAM_VALUE:
+ return "Ivalid Parameter Value";
+ case MCAP_INVALID_MDEP:
+ return "Invalid MDEP";
+ case MCAP_MDEP_BUSY:
+ return "MDEP Busy";
+ case MCAP_INVALID_MDL:
+ return "Invalid MDL";
+ case MCAP_MDL_BUSY:
+ return "MDL Busy";
+ case MCAP_INVALID_OPERATION:
+ return "Invalid Operation";
+ case MCAP_RESOURCE_UNAVAILABLE:
+ return "Resource Unavailable";
+ case MCAP_UNESPECIFIED_ERROR:
+ return "Unspecified Error";
+ case MCAP_REQUEST_NOT_SUPPORTED:
+ return "Request Not Supported";
+ case MCAP_CONFIGURATION_REJECTED:
+ return "Configuration Rejected";
+ default:
+ return "Unknown Response Code";
+ }
+}
+
+static struct mcap_mcl *find_mcl(GSList *list, const bdaddr_t *addr)
+{
+ GSList *l;
+ struct mcap_mcl *mcl;
+
+ for (l = list; l; l = l->next) {
+ mcl = l->data;
+
+ if (!bacmp(&mcl->addr, addr))
+ return mcl;
+ }
+
+ return NULL;
+}
+
+static void update_mcl_state(struct mcap_mcl *mcl)
+{
+ GSList *l;
+ struct mcap_mdl *mdl;
+
+ if (mcl->state == MCL_PENDING)
+ return;
+
+ for (l = mcl->mdls; l; l = l->next) {
+ mdl = l->data;
+
+ if (mdl->state == MDL_CONNECTED) {
+ mcl->state = MCL_ACTIVE;
+ return;
+ }
+ }
+
+ mcl->state = MCL_CONNECTED;
+}
+
+static int mcap_send_data(int sock, const uint8_t *buf, uint32_t size)
+{
+ uint32_t sent = 0;
+
+ while (sent < size) {
+ int n = send(sock, buf + sent, size - sent, 0);
+ if (n < 0)
+ return -1;
+ sent += n;
+ }
+ return 0;
+}
+
+static void mcap_send_std_opcode(struct mcap_mcl *mcl, uint8_t *cmd,
+ uint32_t size, GError **err)
+{
+ if (mcl->state == MCL_IDLE) {
+ g_set_error(err, MCAP_ERROR, MCAP_ERROR_FAILED,
+ "MCL is not connected");
+ return;
+ }
+
+ if (mcl->req != MCL_AVAILABLE) {
+ g_set_error(err, MCAP_ERROR, MCAP_ERROR_RESOURCE_UNAVAILABLE,
+ "Pending request");
+ return;
+ }
+
+ if (!(mcl->ctrl & MCAP_CTRL_STD_OP)) {
+ g_set_error(err, MCAP_ERROR, MCAP_ERROR_REQUEST_NOT_SUPPORTED,
+ "Remote does not support standard opcodes");
+ return;
+ }
+
+ if (mcl->state == MCL_PENDING) {
+ g_set_error(err, MCAP_ERROR, MCAP_ERROR_INVALID_OPERATION,
+ "Not Std Op. Codes can be sent in PENDING State");
+ return;
+ }
+
+ if (mcap_send_data(g_io_channel_unix_get_fd(mcl->cc), cmd, size) < 0) {
+ g_set_error(err, MCAP_ERROR, MCAP_ERROR_FAILED,
+ "Command can't be sent, write error");
+ return;
+ }
+
+ mcl->lcmd = cmd;
+ mcl->req = MCL_WAITING_RSP;
+}
+
+static int send4B_cmd(struct mcap_mcl *mcl, uint8_t oc, uint8_t rc,
+ uint16_t mdl)
+{
+ uint8_t *rsp;
+ mcap4B_rsp *rsp_err;
+ int sent;
+
+
+ rsp = g_malloc0(sizeof(mcap4B_rsp));
+
+ rsp_err = (mcap4B_rsp *)rsp;
+ rsp_err->op = oc;
+ rsp_err->rc = rc;
+ rsp_err->mdl = htons (mdl);
+
+ sent = mcap_send_data(g_io_channel_unix_get_fd(mcl->cc),
+ rsp,
+ sizeof(mcap4B_rsp));
+ g_free(rsp);
+ return sent;
+}
+
+static int send5B_cmd(struct mcap_mcl *mcl, uint8_t oc, uint8_t rc,
+ uint16_t mdl, uint8_t param)
+{
+ uint8_t *rsp;
+ mcap5B_rsp *suc;
+ int sent;
+
+ rsp = g_malloc0(sizeof(mcap5B_rsp));
+
+ suc = (mcap5B_rsp *)rsp;
+ suc->op = oc;
+ suc->rc = rc;
+ suc->mdl = htons(mdl);
+ suc->param = param;
+
+ sent = mcap_send_data(g_io_channel_unix_get_fd(mcl->cc), rsp,
+ sizeof(mcap5B_rsp));
+ g_free(rsp);
+ return sent;
+}
+
+static uint16_t generate_mdlid(struct mcap_mcl *mcl)
+{
+ uint16_t mdlid = MCAP_MDLID_INITIAL;
+ struct mcap_mdl *mdl;
+ GSList *l;
+
+ for (l = mcl->mdls; l; l = l->next) {
+ mdl = l->data;
+ if (mdlid < mdl->mdlid)
+ break;
+ else
+ mdlid = mdl->mdlid + 1;
+ }
+
+ if (mdlid > MCAP_MDLID_FINAL)
+ return 0;
+
+ return mdlid;
+}
+
+static uint8_t *create_req(uint8_t op, uint16_t mdl_id)
+{
+ uint8_t *req;
+ mcap_md_req *req_cmd;
+
+ req = g_malloc0(sizeof(mcap_md_req));
+
+ req_cmd = (mcap_md_req *)req;
+ req_cmd->op = op;
+ req_cmd->mdl = htons(mdl_id);
+
+ return req;
+}
+
+static uint8_t *create_mdl_req(uint16_t mdl_id, uint8_t mdep, uint8_t conf)
+{
+ uint8_t *req;
+ mcap_md_create_mdl_req *req_mdl;
+
+ req = g_malloc0(sizeof(mcap_md_create_mdl_req));
+
+ req_mdl = (mcap_md_create_mdl_req *)req;
+ req_mdl->op = MCAP_MD_CREATE_MDL_REQ;
+ req_mdl->mdl = htons(mdl_id);
+ req_mdl->mdep = mdep;
+ req_mdl->conf = conf;
+
+ return req;
+}
+
+static gint compare_mdl(gconstpointer a, gconstpointer b)
+{
+ const struct mcap_mdl *mdla = a;
+ const struct mcap_mdl *mdlb = b;
+
+ if (mdla->mdlid == mdlb->mdlid)
+ return 0;
+ else if (mdla->mdlid < mdlb->mdlid)
+ return -1;
+ else
+ return 1;
+}
+
+static gboolean wait_response_timer(gpointer data)
+{
+ struct mcap_mcl *mcl = data;
+
+ GError *gerr = NULL;
+
+ RELEASE_TIMER(mcl);
+
+ g_set_error(&gerr, MCAP_ERROR, MCAP_ERROR_FAILED,
+ "Timeout waiting response");
+
+ mcap_notify_error(mcl, gerr);
+
+ g_error_free(gerr);
+ mcl->ms->mcl_disconnected_cb(mcl, mcl->ms->user_data);
+ mcap_park_mcl(mcl);
+ return FALSE;
+}
+
+void mcap_req_mdl_creation(struct mcap_mcl *mcl,
+ uint8_t mdepid,
+ uint8_t conf,
+ GError **err,
+ mcap_mdl_operation_conf_cb connect_cb,
+ gpointer user_data)
+{
+ struct mcap_mdl *mdl;
+ struct mcap_mdl_op_cb *con;
+ uint8_t *cmd = NULL;
+ uint16_t id;
+
+ id = generate_mdlid(mcl);
+ if (!id) {
+ g_set_error(err, MCAP_ERROR, MCAP_ERROR_FAILED,
+ "Not more mdlids available");
+ return;
+ }
+
+ mdl = g_new0(struct mcap_mdl, 1);
+ mdl->mcl = mcl;
+ mdl->mdlid = id;
+ mdl->mdep_id = mdepid;
+ mdl->state = MDL_WAITING;
+
+ con = g_new0(struct mcap_mdl_op_cb, 1);
+ con->mdl = mdl;
+ con->cb.op_conf = connect_cb;
+ con->user_data = user_data;
+
+ cmd = create_mdl_req(id, mdepid, conf);
+ mcap_send_std_opcode(mcl, cmd, sizeof(mcap_md_create_mdl_req), err);
+ if (*err) {
+ g_free(mdl);
+ g_free(con);
+ g_free(cmd);
+ return;
+ }
+
+ mcl->state = MCL_ACTIVE;
+ mcl->priv_data = con;
+
+ mcl->mdls = g_slist_insert_sorted(mcl->mdls, mdl, compare_mdl);
+ mcl->tid = g_timeout_add_seconds(RESPONSE_TIMER, wait_response_timer, mcl);
+}
+
+void mcap_req_mdl_reconnect(struct mcap_mdl *mdl,
+ GError **err,
+ mcap_mdl_operation_cb reconnect_cb,
+ gpointer user_data)
+{
+ struct mcap_mdl_op_cb *con;
+ struct mcap_mcl *mcl = mdl->mcl;
+ uint8_t *cmd;
+
+ if (mdl->state != MDL_CLOSED) {
+ g_set_error(err, MCAP_ERROR, MCAP_ERROR_FAILED,
+ "MDL is not closed");
+ return;
+ }
+ con = g_new0(struct mcap_mdl_op_cb, 1);
+
+ cmd = create_req(MCAP_MD_RECONNECT_MDL_REQ, mdl->mdlid);
+ mcap_send_std_opcode(mcl, cmd, sizeof(mcap_md_req), err);
+ if (*err) {
+ g_free(con);
+ g_free(cmd);
+ return;
+ }
+
+ mdl->state = MDL_WAITING;
+
+ con->mdl = mdl;
+ con->cb.op = reconnect_cb;
+ con->user_data = user_data;
+
+ mcl->state = MCL_ACTIVE;
+ mcl->priv_data = con;
+
+ mcl->tid = g_timeout_add_seconds(RESPONSE_TIMER, wait_response_timer, mcl);
+}
+
+static void send_delete_req(GError **err, struct mcap_mcl *mcl,
+ struct mcap_mdl_op_cb *con, uint16_t mdlid)
+{
+ uint8_t *cmd;
+
+ cmd = create_req(MCAP_MD_DELETE_MDL_REQ, mdlid);
+ mcap_send_std_opcode(mcl, cmd, sizeof(mcap_md_req), err);
+ if (*err) {
+ g_free(cmd);
+ return;
+ }
+
+ mcl->priv_data = con;
+
+ mcl->tid = g_timeout_add_seconds(RESPONSE_TIMER, wait_response_timer, mcl);
+}
+
+void mcap_req_mdl_delete_all(struct mcap_mcl *mcl, GError **err,
+ mcap_mdl_del_cb delete_cb, gpointer user_data)
+{
+ GSList *l;
+ struct mcap_mdl *mdl;
+ struct mcap_mdl_op_cb *con;
+
+ debug("MCL in state: %d", mcl->state);
+ if (!mcl->mdls) {
+ g_set_error(err, MCAP_ERROR, MCAP_ERROR_FAILED,
+ "There are not MDLs created");
+ return;
+ }
+
+ for (l = mcl->mdls; l; l = l->next) {
+ mdl = l->data;
+ if (mdl->state != MDL_WAITING)
+ mdl->state = MDL_DELETING;
+ }
+
+ con = g_new0(struct mcap_mdl_op_cb, 1);
+ con->mdl = NULL;
+ con->cb.del = delete_cb;
+ con->user_data = user_data;
+
+ send_delete_req(err, mcl, con, MCAP_ALL_MDLIDS);
+ if (*err)
+ g_free(con);
+}
+
+void mcap_req_mdl_deletion(struct mcap_mdl *mdl, GError **err,
+ mcap_mdl_del_cb delete_cb, gpointer user_data)
+{
+ struct mcap_mcl *mcl= mdl->mcl;
+ struct mcap_mdl_op_cb *con;
+ GSList *l;
+
+ l = g_slist_find(mcl->mdls, mdl);
+
+ if (!l) {
+ g_set_error(err, MCAP_ERROR, MCAP_ERROR_INVALID_MDL,
+ "%s" , error2str(MCAP_INVALID_MDEP));
+ return;
+ }
+
+ if (mdl->state == MDL_WAITING) {
+ g_set_error(err, MCAP_ERROR, MCAP_ERROR_FAILED,
+ "Mdl is not created");
+ return;
+ }
+ mdl->state = MDL_DELETING;
+
+ con = g_new0(struct mcap_mdl_op_cb, 1);
+ con->mdl = mdl;
+ con->cb.del = delete_cb;
+ con->user_data = user_data;
+
+ send_delete_req(err, mcl, con, mdl->mdlid);
+ if (*err)
+ g_free(con);
+}
+
+void mcap_mdl_abort(struct mcap_mdl *mdl, GError **err,
+ mcap_mdl_del_cb abort_cb, gpointer user_data)
+{
+ struct mcap_mdl_op_cb *con;
+ struct mcap_mcl *mcl = mdl->mcl;
+ uint8_t *cmd;
+
+ if (mdl->state != MDL_WAITING) {
+ g_set_error(err, MCAP_ERROR, MCAP_ERROR_FAILED,
+ "Mdl in invalid state");
+ return;
+ }
+
+ con = g_new0(struct mcap_mdl_op_cb, 1);
+ cmd = create_req(MCAP_MD_ABORT_MDL_REQ, mdl->mdlid);
+ mcap_send_std_opcode(mcl, cmd, sizeof(mcap_md_req), err);
+ if (*err) {
+ g_free(con);
+ g_free(cmd);
+ return;
+ }
+
+ con->mdl = mdl;
+ con->cb.del = abort_cb;
+ con->user_data = user_data;
+
+ mcl->priv_data = con;
+
+ mcl->tid = g_timeout_add_seconds(RESPONSE_TIMER, wait_response_timer, mcl);
+}
+
+int mcap_mdl_get_fd(struct mcap_mdl *mdl)
+{
+ if ((!mdl) || (mdl->state != MDL_CONNECTED))
+ return -1;
+
+ return g_io_channel_unix_get_fd(mdl->dc);
+}
+
+uint16_t mcap_mdl_get_mdlid(struct mcap_mdl *mdl)
+{
+ if (!mdl)
+ return MCAP_MDLID_RESERVED;
+
+ return mdl->mdlid;
+}
+
+static void shutdown_mdl(struct mcap_mdl *mdl)
+{
+ mdl->state = MDL_CLOSED;
+
+ g_source_remove(mdl->wid);
+
+ if (mdl->dc) {
+ g_io_channel_shutdown(mdl->dc, TRUE, NULL);
+ g_io_channel_unref(mdl->dc);
+ mdl->dc = NULL;
+ }
+}
+
+static void mcap_free_mdls(struct mcap_mcl *mcl, gboolean park)
+{
+ GSList *l;
+ struct mcap_mdl *mdl;
+
+ if (!mcl->mdls)
+ return;
+
+ for (l = mcl->mdls; l; l = l->next) {
+ mdl = l->data;
+ shutdown_mdl(mdl);
+ if (!park)
+ g_free(mdl);
+ }
+
+ if (!park) {
+ g_slist_free(mcl->mdls);
+ mcl->mdls = NULL;
+ }
+}
+
+static void mcap_mcl_free(struct mcap_mcl *mcl, gboolean save)
+{
+ gboolean store = ((!(mcl->ctrl & MCAP_CTRL_FREE)) && save);
+
+ if (mcl->tid) {
+ RELEASE_TIMER(mcl);
+ }
+
+ if (mcl->cc) {
+ g_io_channel_shutdown(mcl->cc, TRUE, NULL);
+ g_io_channel_unref(mcl->cc);
+ mcl->cc = NULL;
+ }
+
+ g_source_remove(mcl->wid);
+ if (mcl->lcmd) {
+ g_free(mcl->lcmd);
+ mcl->lcmd = NULL;
+ }
+
+ if (mcl->priv_data) {
+ g_free(mcl->priv_data);
+ mcl->priv_data = NULL;
+ }
+
+ mcap_free_mdls(mcl, store);
+
+ if (mcl->cb && !store) {
+ g_free(mcl->cb);
+ mcl->cb = NULL;
+ }
+
+ mcl->state = MCL_IDLE;
+
+ if (store)
+ return;
+
+ g_free(mcl);
+}
+
+static void mcap_mcl_shutdown(struct mcap_mcl *mcl)
+{
+ mcap_mcl_free(mcl, TRUE);
+}
+
+static void mcap_mcl_release(struct mcap_mcl *mcl)
+{
+ mcap_mcl_free(mcl, FALSE);
+}
+
+static void mcap_mcl_check_del(struct mcap_mcl *mcl)
+{
+ if (mcl->ctrl & MCAP_CTRL_CACHED)
+ mcap_mcl_shutdown(mcl);
+ else
+ mcap_mcl_unref(mcl);
+}
+
+static void mcap_park_mcl(struct mcap_mcl *mcl)
+{
+ GSList *l;
+ struct mcap_mcl *last;
+ int len;
+
+ if (mcl->ctrl & MCAP_CTRL_CACHED)
+ return;
+
+ mcl->ms->mcls = g_slist_remove(mcl->ms->mcls, mcl);
+
+ if ((mcl->ctrl & MCAP_CTRL_NOCACHE) || (mcl->ref < 2)) {
+ mcap_mcl_unref(mcl);
+ return;
+ }
+
+ debug("Caching MCL");
+
+ len = g_slist_length(mcl->ms->cached);
+ if (len == MAX_CACHED) {
+ /* Remove the latest cached mcl */
+ l = g_slist_last(mcl->ms->cached);
+ last = l->data;
+ mcl->ms->cached = g_slist_remove(mcl->ms->cached, last);
+ last->ctrl &= ~MCAP_CTRL_CACHED;
+ if (last->ctrl & MCAP_CTRL_CONN) {
+ /* If connection process is not success this MCL will be
+ * freed next time that mcap_mcl_free is invoked */
+ last->ctrl |= MCAP_CTRL_FREE;
+ } else {
+ last->ms->mcl_uncached_cb(last, last->ms->user_data);
+ mcap_mcl_unref(last);
+ }
+ }
+
+ mcl->ms->cached = g_slist_prepend(mcl->ms->cached, mcl);
+ mcl->ctrl |= MCAP_CTRL_CACHED;
+ mcap_mcl_shutdown(mcl);
+}
+
+static void mcap_unpark_mcl(struct mcap_mcl *mcl)
+{
+ if (!(mcl->ctrl & MCAP_CTRL_CACHED))
+ return;
+
+ debug("Got MCL from cache");
+
+ mcl->ms->cached = g_slist_remove(mcl->ms->cached, mcl);
+ mcl->ms->mcls = g_slist_prepend(mcl->ms->mcls, mcl);
+ mcl->ctrl &= ~MCAP_CTRL_CACHED;
+ mcl->ctrl &= ~MCAP_CTRL_FREE;
+}
+
+void mcap_close_mcl(struct mcap_mcl *mcl, gboolean cache)
+{
+ if (!mcl)
+ return;
+
+ if (mcl->cc) {
+ g_io_channel_shutdown(mcl->cc, TRUE, NULL);
+ g_io_channel_unref(mcl->cc);
+ mcl->cc = NULL;
+ }
+
+ mcl->state = MCL_IDLE;
+
+ if (!cache)
+ mcl->ctrl |= MCAP_CTRL_NOCACHE;
+}
+
+struct mcap_mcl *mcap_mcl_ref(struct mcap_mcl *mcl)
+{
+ mcl->ref++;
+
+ debug("mcap_mcl_ref(%p): ref=%d", mcl, mcl->ref);
+
+ return mcl;
+}
+
+void mcap_mcl_unref(struct mcap_mcl *mcl)
+{
+ mcl->ref--;
+
+ debug("mcap_mcl_unref(%p): ref=%d", mcl, mcl->ref);
+
+ if (mcl->ref > 0)
+ return;
+
+ mcap_mcl_release(mcl);
+}
+
+static gboolean parse_set_opts(struct mcap_mdl_cb *mdl_cb, GError **err,
+ McapMclCb cb1, va_list args)
+{
+ McapMclCb cb = cb1;
+ struct mcap_mdl_cb *c;
+
+ c = g_new0(struct mcap_mdl_cb, 1);
+
+ while (cb != MCAP_MDL_CB_INVALID) {
+ switch (cb) {
+ case MCAP_MDL_CB_CONNECTED:
+ c->mdl_connected = va_arg(args,
+ mcap_mdl_event_cb);
+ break;
+ case MCAP_MDL_CB_CLOSED:
+ c->mdl_closed = va_arg(args,
+ mcap_mdl_event_cb);
+ break;
+ case MCAP_MDL_CB_DELETED:
+ c->mdl_deleted = va_arg(args,
+ mcap_mdl_event_cb);
+ break;
+ case MCAP_MDL_CB_ABORTED:
+ c->mdl_aborted = va_arg(args,
+ mcap_mdl_event_cb);
+ break;
+ case MCAP_MDL_CB_REMOTE_CONN_REQ:
+ c->mdl_conn_req = va_arg(args,
+ mcap_remote_mdl_conn_req_cb);
+ break;
+ case MCAP_MDL_CB_REMOTE_RECONN_REQ:
+ c->mdl_reconn_req = va_arg(args,
+ mcap_remote_mdl_reconn_req_cb);
+ break;
+ default:
+ g_set_error(err, MCAP_ERROR, MCAP_ERROR_INVALID_ARGS,
+ "Unknown option %d", cb);
+ return FALSE;
+ }
+ cb = va_arg(args, int);
+ }
+
+ /* Set new callbacks */
+ if (c->mdl_connected)
+ mdl_cb->mdl_connected = c->mdl_connected;
+ if (c->mdl_closed)
+ mdl_cb->mdl_closed = c->mdl_closed;
+ if (c->mdl_deleted)
+ mdl_cb->mdl_deleted = c->mdl_deleted;
+ if (c->mdl_aborted)
+ mdl_cb->mdl_aborted = c->mdl_aborted;
+ if (c->mdl_conn_req)
+ mdl_cb->mdl_conn_req = c->mdl_conn_req;
+ if (c->mdl_reconn_req)
+ mdl_cb->mdl_reconn_req = c->mdl_reconn_req;
+
+ g_free(c);
+ return TRUE;
+}
+
+void mcap_mcl_set_cb(struct mcap_mcl *mcl, GError **gerr,
+ gpointer user_data, McapMclCb cb1, ...)
+{
+ va_list args;
+ gboolean ret;
+
+ va_start(args, cb1);
+ ret = parse_set_opts(mcl->cb, gerr, cb1, args);
+ va_end(args);
+
+ if (!ret)
+ return;
+
+ mcl->cb->user_data = user_data;
+ return;
+}
+
+bdaddr_t mcap_mcl_get_addr(struct mcap_mcl *mcl)
+{
+ return mcl->addr;
+}
+
+static void proc_sync_cmd(struct mcap_mcl *mcl, uint8_t *cmd, uint32_t len)
+{
+ /*
+ * Current MCAP implementation does not support the
+ * Clock Synchronization Protocol
+ */
+
+ send4B_cmd(mcl, cmd[0], MCAP_REQUEST_NOT_SUPPORTED, MCAP_MDLID_RESERVED);
+#if 0
+ switch (cmd[0]) {
+ case MCAP_MD_SYNC_CAP_REQ:
+ debug("TODO: received MCAP_MD_SYNC_CAP_REQ: %d",
+ MCAP_MD_SYNC_CAP_REQ);
+ break;
+ case MCAP_MD_SYNC_CAP_RSP:
+ debug("TODO: received MCAP_MD_SYNC_CAP_RSP: %d",
+ MCAP_MD_SYNC_CAP_RSP);
+ break;
+ case MCAP_MD_SYNC_SET_REQ:
+ debug("TODO: received MCAP_MD_SYNC_SET_REQ: %d",
+ MCAP_MD_SYNC_SET_REQ);
+ break;
+ case MCAP_MD_SYNC_SET_RSP:
+ debug("TODO: received MCAP_MD_SYNC_SET_RSP: %d",
+ MCAP_MD_SYNC_SET_RSP);
+ break;
+ case MCAP_MD_SYNC_INFO_IND:
+ debug("TODO: received MCAP_MD_SYNC_INFO_IND :%d",
+ MCAP_MD_SYNC_INFO_IND);
+ break;
+ }
+#endif
+}
+
+static void error_cmd_rsp(struct mcap_mcl *mcl, uint8_t *cmd, uint32_t len)
+{
+ uint16_t mdlr;
+
+ if (cmd[0] <= MCAP_MD_DELETE_MDL_RSP) {
+ /* Standard Op Code request is invalid in current state */
+ error("Invalid cmd received (op code = %d) in state %d",
+ cmd[0], mcl->state);
+ /* Get mdlid sended to generate appropiate response if it is possible */
+ mdlr = len < sizeof(mcap_md_req) ? MCAP_MDLID_RESERVED :
+ ntohs(((mcap_md_req *)cmd)->mdl);
+ send4B_cmd(mcl, cmd[0]+1, MCAP_INVALID_OPERATION, mdlr);
+ } else {
+ error("Unknown cmd request received (op code = %d) in state %d",
+ cmd[0], mcl->state);
+ send4B_cmd(mcl, MCAP_ERROR_RSP, MCAP_INVALID_OP_CODE,
+ MCAP_MDLID_RESERVED);
+ }
+}
+
+static struct mcap_mdl *get_mdl(struct mcap_mcl *mcl, uint16_t mdlid)
+{
+ GSList *l;
+ struct mcap_mdl *mdl;
+
+ for (l = mcl->mdls; l; l = l->next) {
+ mdl = l->data;
+ if (mdlid == mdl->mdlid)
+ return mdl;
+ }
+
+ return NULL;
+}
+
+static void mcap_delete_mdl(gpointer elem, gpointer user_data)
+{
+ struct mcap_mdl *mdl = elem;
+ gboolean notify = *(gboolean *)user_data;
+
+ shutdown_mdl(mdl);
+ if (notify)
+ mdl->mcl->cb->mdl_deleted(mdl, mdl->mcl->cb->user_data);
+ g_free(mdl);
+}
+
+/* Functions used to process request */
+
+static void process_md_create_mdl_req(struct mcap_mcl *mcl, uint8_t *cmd, uint32_t len)
+{
+ mcap_md_create_mdl_req *req;
+ struct mcap_mdl *mdl;
+ uint16_t mdl_id;
+ uint8_t mdep_id;
+ uint8_t cfga, conf;
+ uint8_t rsp;
+
+ if (len != sizeof(mcap_md_create_mdl_req)) {
+ send4B_cmd(mcl, MCAP_MD_CREATE_MDL_RSP,
+ MCAP_INVALID_PARAM_VALUE, MCAP_MDLID_RESERVED);
+ return;
+ }
+
+ req = (mcap_md_create_mdl_req *)cmd;
+
+ mdl_id = ntohs(req->mdl);
+ if ((mdl_id < MCAP_MDLID_INITIAL) || (mdl_id > MCAP_MDLID_FINAL)) {
+ send4B_cmd(mcl, MCAP_MD_CREATE_MDL_RSP, MCAP_INVALID_MDL, mdl_id);
+ return;
+ }
+
+ mdep_id = req->mdep;
+ if (mdep_id > MCAP_MDEPID_FINAL) {
+ send4B_cmd(mcl, MCAP_MD_CREATE_MDL_RSP, MCAP_INVALID_MDEP, mdl_id);
+ return;
+ }
+
+ cfga = conf = req->conf;
+ /* Callback to upper layer */
+ rsp = mcl->cb->mdl_conn_req(mcl, mdep_id, mdl_id, &conf,
+ mcl->cb->user_data);
+
+ if ((cfga != 0) && (cfga != conf)) {
+ /* Remote device set default configuration but upper profile */
+ /* has changed it. Protocol Error: force closing the MCL by */
+ /* using remote device using UNESPECIFIED_ERROR response */
+ send4B_cmd(mcl, MCAP_MD_CREATE_MDL_RSP, MCAP_UNESPECIFIED_ERROR,
+ mdl_id);
+ return;
+ }
+ if (rsp != MCAP_SUCCESS) {
+ send4B_cmd(mcl, MCAP_MD_CREATE_MDL_RSP, rsp, mdl_id);
+ return;
+ }
+
+ mdl = get_mdl(mcl, mdl_id);
+ if (!mdl) {
+ mdl = g_malloc0(sizeof(struct mcap_mdl));
+ mdl->mcl = mcl;
+ mdl->mdlid = mdl_id;
+ } else if (mdl->state == MDL_CONNECTED) {
+ shutdown_mdl(mdl);
+ //mcl->cb->mdl_closed(mdl, mcl->cb->user_data);
+ }
+ mdl->mdep_id = mdep_id;
+ mdl->state = MDL_WAITING;
+ mcl->mdls = g_slist_insert_sorted(mcl->mdls, mdl, compare_mdl);
+
+ mcl->state = MCL_PENDING;
+ send5B_cmd(mcl, MCAP_MD_CREATE_MDL_RSP, MCAP_SUCCESS, mdl_id, conf);
+}
+
+static void process_md_reconnect_mdl_req(struct mcap_mcl *mcl, uint8_t *cmd,
+ uint32_t len)
+{
+ mcap_md_req *req;
+ struct mcap_mdl *mdl;
+ uint16_t mdl_id;
+ uint8_t rsp;
+
+ if (len != sizeof(mcap_md_req)) {
+ send4B_cmd(mcl, MCAP_MD_RECONNECT_MDL_RSP,
+ MCAP_INVALID_PARAM_VALUE, MCAP_MDLID_RESERVED);
+ return;
+ }
+
+ req = (mcap_md_req *)cmd;
+ mdl_id = ntohs(req->mdl);
+
+ mdl = get_mdl(mcl, mdl_id);
+ if (!mdl) {
+ send4B_cmd(mcl, MCAP_MD_RECONNECT_MDL_RSP,
+ MCAP_INVALID_MDL, mdl_id);
+ return;
+ }
+
+ /* Callback to upper layer */
+ rsp = mcl->cb->mdl_reconn_req(mdl, mcl->cb->user_data);
+ if (rsp != MCAP_SUCCESS) {
+ send4B_cmd(mcl, MCAP_MD_CREATE_MDL_RSP, rsp, mdl_id);
+ return;
+ }
+
+ if (mdl->state == MDL_CONNECTED)
+ shutdown_mdl(mdl);
+
+ mdl->state = MDL_WAITING;
+ mcl->state = MCL_PENDING;
+ send4B_cmd(mcl, MCAP_MD_RECONNECT_MDL_RSP, MCAP_SUCCESS, mdl_id);
+}
+
+static void process_md_abort_mdl_req(struct mcap_mcl *mcl, uint8_t *cmd,
+ uint32_t len)
+{
+ mcap_md_req *req;
+ GSList *l;
+ struct mcap_mdl *mdl, *del;
+ uint16_t mdl_id;
+
+ if (len != sizeof(mcap_md_req)) {
+ send4B_cmd(mcl, MCAP_MD_ABORT_MDL_RSP,
+ MCAP_INVALID_PARAM_VALUE, MCAP_MDLID_RESERVED);
+ return;
+ }
+
+ req = (mcap_md_req *)cmd;
+ mdl_id = ntohs(req->mdl);
+ mcl->state = MCL_CONNECTED;
+ for (l = mcl->mdls; l; l = l->next) {
+ mdl = l->data;
+ if ((mdl_id == mdl->mdlid) && (mdl->state == MDL_WAITING)) {
+ del = mdl;
+ if (mcl->state != MCL_CONNECTED)
+ break;
+ continue;
+ }
+ if ((mdl->state == MDL_CONNECTED) && (mcl->state != MCL_ACTIVE))
+ mcl->state = MCL_ACTIVE;
+
+ if ((del) && (mcl->state == MCL_ACTIVE))
+ break;
+ }
+
+ if (!del) {
+ send4B_cmd(mcl, MCAP_MD_ABORT_MDL_RSP, MCAP_INVALID_MDL, mdl_id);
+ return;
+ }
+
+ mcl->cb->mdl_aborted(del, mcl->cb->user_data);
+
+ mcl->mdls = g_slist_remove(mcl->mdls, del);
+ g_free(del);
+ send4B_cmd(mcl, MCAP_MD_ABORT_MDL_RSP, MCAP_SUCCESS, mdl_id);
+}
+
+static void process_md_delete_mdl_req(struct mcap_mcl *mcl, uint8_t *cmd,
+ uint32_t len)
+{
+ mcap_md_req *req;
+ struct mcap_mdl *mdl, *aux;
+ uint16_t mdlid;
+ gboolean notify;
+ GSList *l;
+
+ debug("process MCAP_MD_DELETE_MDL_REQ");
+
+ if (len != sizeof(mcap_md_req)) {
+ send4B_cmd(mcl, MCAP_MD_ABORT_MDL_RSP,
+ MCAP_INVALID_PARAM_VALUE, MCAP_MDLID_RESERVED);
+ return;
+ }
+
+ req = (mcap_md_req *)cmd;
+ mdlid = ntohs(req->mdl);
+ if (mdlid == MCAP_ALL_MDLIDS) {
+ notify = FALSE;
+ g_slist_foreach(mcl->mdls, mcap_delete_mdl, ¬ify);
+ g_slist_free(mcl->mdls);
+ mcl->mdls = NULL;
+ mcl->state = MCL_CONNECTED;
+ /* NULL mdl means ALL_MDLS */
+ mcl->cb->mdl_deleted(NULL, mcl->cb->user_data);
+ goto resp;
+ }
+
+ if ((mdlid < MCAP_MDLID_INITIAL) || (mdlid > MCAP_MDLID_FINAL)) {
+ send4B_cmd(mcl, MCAP_MD_CREATE_MDL_RSP, MCAP_INVALID_MDL, mdlid);
+ return;
+ }
+
+ for (l=mcl->mdls, mdl = NULL; l; l = l->next) {
+ aux = l->data;
+ if (aux->mdlid == mdlid) {
+ mdl = aux;
+ break;
+ }
+ }
+
+ if (!mdl || (mdl->state == MDL_WAITING)) {
+ send4B_cmd(mcl, MCAP_MD_DELETE_MDL_RSP, MCAP_INVALID_MDL, mdlid);
+ return;
+ }
+ mcl->mdls = g_slist_remove(mcl->mdls, mdl);
+ update_mcl_state(mcl);
+ notify = TRUE;
+ mcap_delete_mdl(mdl, ¬ify);
+resp:
+ send4B_cmd(mcl, MCAP_MD_DELETE_MDL_RSP, MCAP_SUCCESS, mdlid);
+}
+
+static gboolean check_err_rsp(uint16_t rmdl, uint16_t smdl, uint8_t rc,
+ uint32_t rlen, uint32_t len, GError **gerr)
+{
+ gboolean close = FALSE;
+ char *msg;
+ gint err = MCAP_ERROR_FAILED;
+
+ if (rmdl != smdl) {
+ msg = "MDLID received doesn't match with MDLID sended";
+ close = TRUE;
+ goto fail;
+ }
+
+ if ((rc != MCAP_SUCCESS) && (rc <= MCAP_CONFIGURATION_REJECTED)) {
+ msg = error2str(rc);
+ err = rc;
+ goto fail;
+ }
+
+ if (rlen < len) {
+ msg = "Protocol error";
+ close = TRUE;
+ goto fail;
+ }
+ return FALSE;
+fail:
+ g_set_error(gerr, MCAP_ERROR, err, "%s", msg);
+ return close;
+}
+
+static gboolean process_md_create_mdl_rsp(struct mcap_mcl *mcl,
+ uint8_t *cmd, uint32_t len)
+{
+ struct mcap_mdl_op_cb *conn = mcl->priv_data;
+ struct mcap_mdl *mdl = conn->mdl;
+ mcap_mdl_operation_conf_cb connect_cb = conn->cb.op_conf;
+ gpointer user_data = conn->user_data;
+ uint16_t mdlid;
+ mcap5B_rsp *rsp = (mcap5B_rsp *) cmd;
+ mcap_md_create_mdl_req *cmdlast;
+ GError *gerr = NULL;
+ gboolean close = FALSE;
+
+ g_free(mcl->priv_data);
+ mcl->priv_data = NULL;
+
+ cmdlast = (mcap_md_create_mdl_req *) mcl->lcmd;
+ mdlid = ntohs(cmdlast->mdl);
+ rsp->mdl = ntohs(rsp->mdl);
+
+ g_free(mcl->lcmd);
+ mcl->lcmd = NULL;
+ mcl->req = MCL_AVAILABLE;
+ close = check_err_rsp(rsp->mdl, mdlid, rsp->rc, 0, 0, &gerr);
+
+ if (gerr)
+ goto fail;
+
+ if (len < 5) {
+ g_set_error(&gerr, MCAP_ERROR, MCAP_ERROR_FAILED,
+ "Protocol error");
+ close = TRUE;
+ goto fail;
+ }
+
+ /* Check if preferences changed */
+ if ((cmdlast->conf != 0x00) && (rsp->param != cmdlast->conf)) {
+ g_set_error(&gerr, MCAP_ERROR, MCAP_ERROR_FAILED,
+ "Configutation changed");
+ close = TRUE;
+ goto fail;
+ }
+
+ connect_cb(mdl, rsp->param, gerr, user_data);
+ return close;
+fail:
+ connect_cb(NULL, 0, gerr, user_data);
+ mcl->mdls = g_slist_remove(mcl->mdls, mdl);
+ g_free(mdl);
+ g_error_free(gerr);
+ return close;
+}
+
+static gboolean process_md_reconnect_mdl_rsp(struct mcap_mcl *mcl,
+ uint8_t *cmd, uint32_t len)
+{
+ struct mcap_mdl_op_cb *reconn = mcl->priv_data;
+ struct mcap_mdl *mdl = reconn->mdl;
+ mcap_mdl_operation_cb reconn_cb = reconn->cb.op;
+ gpointer user_data = reconn->user_data;
+ mcap4B_rsp *rsp = (mcap4B_rsp *) cmd;
+ mcap_md_req *cmdlast = (mcap_md_req *) mcl->lcmd;
+ uint16_t mdlid = ntohs(cmdlast->mdl);
+ GError *gerr = NULL;
+ gboolean close = FALSE;
+
+ g_free(mcl->priv_data);
+ mcl->priv_data = NULL;
+
+ rsp->mdl = ntohs(rsp->mdl);
+
+ close = check_err_rsp(rsp->mdl, mdlid, rsp->rc, len,
+ sizeof(mcap4B_rsp), &gerr);
+
+ g_free(mcl->lcmd);
+ mcl->lcmd = NULL;
+ mcl->req = MCL_AVAILABLE;
+
+ reconn_cb(mdl, gerr, user_data);
+ if (!gerr)
+ return close;
+
+ g_error_free(gerr);
+ shutdown_mdl(mdl);
+
+ if (rsp->rc != MCAP_INVALID_MDL)
+ return close;
+
+ /* Remove cached mdlid */
+ mcl->mdls = g_slist_remove(mcl->mdls, mdl);
+ mcl->cb->mdl_deleted(mdl, mcl->cb->user_data);
+ g_free(mdl);
+
+ return close;
+}
+
+static gboolean process_md_abort_mdl_rsp(struct mcap_mcl *mcl,
+ uint8_t *cmd, uint32_t len)
+{
+ struct mcap_mdl_op_cb *abrt = mcl->priv_data;
+ struct mcap_mdl *mdl = abrt->mdl;
+ mcap_mdl_del_cb abrt_cb = abrt->cb.del;
+ gpointer user_data = abrt->user_data;
+ mcap4B_rsp *rsp = (mcap4B_rsp *) cmd;
+ mcap_md_req *cmdlast = (mcap_md_req *) mcl->lcmd;
+ uint16_t mdlid = ntohs(cmdlast->mdl);
+ GError *gerr = NULL;
+ gboolean close = FALSE;
+
+ g_free(mcl->priv_data);
+ mcl->priv_data = NULL;
+
+ rsp->mdl = ntohs(rsp->mdl);
+
+ close = check_err_rsp(rsp->mdl, mdlid, rsp->rc, len,
+ sizeof(mcap4B_rsp), &gerr);
+ g_free(mcl->lcmd);
+ mcl->lcmd = NULL;
+ mcl->req = MCL_AVAILABLE;
+
+ if (gerr) {
+ abrt_cb(gerr, user_data);
+ g_error_free(gerr);
+ return close;
+ }
+
+ mcl->mdls = g_slist_remove(mcl->mdls, mdl);
+ g_free(mdl);
+ update_mcl_state(mcl);
+ abrt_cb(gerr, user_data);
+ return close;
+}
+
+static void restore_mdl(gpointer elem, gpointer data)
+{
+ struct mcap_mdl *mdl = elem;
+
+ if (mdl->state == MDL_DELETING) {
+ if (mdl->dc)
+ mdl->state = MDL_CONNECTED;
+ else
+ mdl->state = MDL_CLOSED;
+ } else if (mdl->state == MDL_CLOSED)
+ mdl->mcl->cb->mdl_closed(mdl, mdl->mcl->cb->user_data);
+}
+
+static gboolean process_md_delete_mdl_rsp(struct mcap_mcl *mcl, uint8_t *cmd,
+ uint32_t len)
+{
+ struct mcap_mdl_op_cb *del = mcl->priv_data;
+ struct mcap_mdl *mdl = del->mdl;
+ mcap_mdl_del_cb deleted_cb = del->cb.del;
+ gpointer user_data = del->user_data;
+ mcap4B_rsp *rsp = (mcap4B_rsp *) cmd;
+ mcap_md_req *cmdlast = (mcap_md_req *) mcl->lcmd;
+ uint16_t mdlid = ntohs(cmdlast->mdl);
+ GError *gerr = NULL;
+ gboolean close = FALSE;
+ gboolean notify = FALSE;
+
+ g_free(mcl->priv_data);
+ mcl->priv_data = NULL;
+
+ rsp->mdl = ntohs(rsp->mdl);
+
+ close = check_err_rsp(rsp->mdl, mdlid, rsp->rc, len,
+ sizeof(mcap4B_rsp), &gerr);
+
+ g_free(mcl->lcmd);
+ mcl->lcmd = NULL;
+ mcl->req = MCL_AVAILABLE;
+ if (gerr) {
+ if (mdl)
+ restore_mdl(mdl, NULL);
+ else
+ g_slist_foreach(mcl->mdls, restore_mdl, NULL);
+ deleted_cb(gerr, user_data);
+ g_error_free(gerr);
+ return close;
+ }
+
+ if (mdlid == MCAP_ALL_MDLIDS) {
+ g_slist_foreach(mcl->mdls, mcap_delete_mdl, ¬ify);
+ g_slist_free(mcl->mdls);
+ mcl->mdls = NULL;
+ mcl->state = MCL_CONNECTED;
+ goto end;
+ }
+
+ mcl->mdls = g_slist_remove(mcl->mdls, mdl);
+ update_mcl_state(mcl);
+ mcap_delete_mdl(mdl, ¬ify);
+end:
+ deleted_cb(gerr, user_data);
+ return close;
+}
+
+/* Function used to process commands depending of MCL state */
+
+static void proc_req_connected(struct mcap_mcl *mcl, uint8_t *cmd, uint32_t len)
+{
+ switch (cmd[0]) {
+ case MCAP_MD_CREATE_MDL_REQ:
+ process_md_create_mdl_req(mcl, cmd, len);
+ break;
+ case MCAP_MD_RECONNECT_MDL_REQ:
+ process_md_reconnect_mdl_req(mcl, cmd, len);
+ break;
+ case MCAP_MD_DELETE_MDL_REQ:
+ process_md_delete_mdl_req(mcl, cmd, len);
+ break;
+ default:
+ error_cmd_rsp(mcl, cmd, len);
+ }
+}
+
+static void proc_req_pending(struct mcap_mcl *mcl, uint8_t *cmd, uint32_t len)
+{
+ if (cmd[0] == MCAP_MD_ABORT_MDL_REQ)
+ process_md_abort_mdl_req(mcl, cmd, len);
+ else
+ error_cmd_rsp(mcl, cmd, len);
+}
+
+static void proc_req_active(struct mcap_mcl *mcl, uint8_t *cmd, uint32_t len)
+{
+ switch (cmd[0]) {
+ case MCAP_MD_CREATE_MDL_REQ:
+ process_md_create_mdl_req(mcl, cmd, len);
+ break;
+ case MCAP_MD_RECONNECT_MDL_REQ:
+ process_md_reconnect_mdl_req(mcl, cmd, len);
+ break;
+ case MCAP_MD_DELETE_MDL_REQ:
+ process_md_delete_mdl_req(mcl, cmd, len);
+ break;
+ default:
+ error_cmd_rsp(mcl, cmd, len);
+ }
+}
+
+static void mcap_notify_error(struct mcap_mcl *mcl, GError *err)
+{
+ struct mcap_mdl_op_cb *con = mcl->priv_data;
+
+ if (!con || !mcl->lcmd)
+ return;
+
+ switch (mcl->lcmd[0]){
+ case MCAP_MD_CREATE_MDL_REQ:
+ con->cb.op_conf(NULL, 0, err, con->user_data);
+ break;
+ case MCAP_MD_ABORT_MDL_REQ:
+ case MCAP_MD_DELETE_MDL_REQ:
+ con->cb.del(err, con->user_data);
+ break;
+ case MCAP_MD_RECONNECT_MDL_REQ:
+ con->cb.op(NULL, err, con->user_data);
+ break;
+ }
+
+ g_free(mcl->priv_data);
+ mcl->priv_data = NULL;
+}
+
+static gboolean check_rsp(struct mcap_mcl *mcl, uint8_t *cmd, uint32_t len)
+{
+ mcap4B_rsp *rsp;
+ GError *gerr = NULL;
+
+ /* Check if the response matches with the last request */
+ if ((cmd[0] != MCAP_ERROR_RSP) && ((mcl->lcmd[0] + 1) != cmd[0]))
+ goto close_mcl;
+
+ if (len < 4)
+ goto close_mcl;
+
+ rsp = (mcap4B_rsp *)cmd;
+
+ if (rsp->rc == MCAP_REQUEST_NOT_SUPPORTED) {
+ debug("Remote does not support opcodes");
+ g_set_error(&gerr, MCAP_ERROR, MCAP_ERROR_REQUEST_NOT_SUPPORTED,
+ "%s", error2str(rsp->rc));
+ mcap_notify_error(mcl, gerr);
+ g_error_free(gerr);
+
+ g_free(mcl->lcmd);
+ mcl->lcmd = NULL;
+ mcl->ctrl &= ~MCAP_CTRL_STD_OP;
+ mcl->req = MCL_AVAILABLE;
+ update_mcl_state(mcl);
+ return FALSE;
+ }
+
+ if (rsp->rc == MCAP_UNESPECIFIED_ERROR)
+ goto close_mcl;
+
+ return TRUE;
+close_mcl:
+ if (rsp->rc == MCAP_UNESPECIFIED_ERROR)
+ g_set_error(&gerr, MCAP_ERROR, MCAP_ERROR_UNESPECIFIED_ERROR,
+ "%s", error2str(rsp->rc));
+ else
+ g_set_error(&gerr, MCAP_ERROR, MCAP_ERROR_FAILED,
+ "Protocol error");
+ mcap_notify_error(mcl, gerr);
+ g_error_free(gerr);
+ mcl->ms->mcl_disconnected_cb(mcl, mcl->ms->user_data);
+ mcap_park_mcl(mcl);
+ return FALSE;
+}
+
+static void proc_response(struct mcap_mcl *mcl, uint8_t *cmd, uint32_t len)
+{
+ gboolean close;
+ RELEASE_TIMER(mcl);
+
+ if (!check_rsp(mcl, cmd, len))
+ return;
+
+ switch (cmd[0]) {
+ case MCAP_ERROR_RSP:
+ error("received MCAP_ERROR_RSP:%d",MCAP_ERROR_RSP);
+ close = TRUE;
+ break;
+ case MCAP_MD_CREATE_MDL_RSP:
+ close = process_md_create_mdl_rsp(mcl, cmd, len);
+ break;
+ case MCAP_MD_RECONNECT_MDL_RSP:
+ close = process_md_reconnect_mdl_rsp(mcl, cmd, len);
+ break;
+ case MCAP_MD_ABORT_MDL_RSP:
+ close = process_md_abort_mdl_rsp(mcl, cmd, len);
+ break;
+ case MCAP_MD_DELETE_MDL_RSP:
+ debug("received MCAP_MD_DELETE_MDL_RSP");
+ close = process_md_delete_mdl_rsp(mcl, cmd, len);
+ break;
+ default:
+ debug("Unknown cmd response received (op code = %d)",cmd[0]);
+ close = TRUE;
+ break;
+ }
+
+ if (close) {
+ mcl->ms->mcl_disconnected_cb(mcl, mcl->ms->user_data);
+ mcap_park_mcl(mcl);
+ }
+}
+
+static void rsend_req(struct mcap_mcl *mcl)
+{
+ uint8_t *cmd = mcl->lcmd;
+ int len;
+
+ if(!cmd)
+ return;
+
+ switch (cmd[0]) {
+ case MCAP_MD_RECONNECT_MDL_REQ:
+ case MCAP_MD_ABORT_MDL_REQ:
+ case MCAP_MD_DELETE_MDL_REQ:
+ len = 3;
+ break;
+ case MCAP_MD_CREATE_MDL_REQ:
+ len = 5;
+ break;
+ default:
+ return;
+ }
+
+ mcap_send_data(g_io_channel_unix_get_fd(mcl->cc), cmd, len);
+}
+
+static void proc_cmd(struct mcap_mcl *mcl, uint8_t *cmd, uint32_t len)
+{
+ if ((cmd[0] >= MCAP_MD_SYNC_CAP_REQ) && (cmd[0] <= MCAP_MD_SYNC_INFO_IND)) {
+ proc_sync_cmd(mcl, cmd, len);
+ return;
+ }
+
+ if (!(mcl->ctrl & MCAP_CTRL_STD_OP)) {
+ /* In case the remote device doesn't work corerctly */
+ error("Remote device does not support opcodes, cmd ignored");
+ return;
+ }
+
+ if (mcl->req == MCL_WAITING_RSP) {
+ if (cmd[0] & 0x01) {
+ /* Request arrived when a response is expected */
+ if (mcl->role == MCL_INITIATOR)
+ /* ignore */
+ return;
+ proc_req[mcl->state](mcl, cmd, len);
+ /* Initiator will ignore our last request => re-send */
+ rsend_req(mcl);
+ return;
+ }
+ proc_response(mcl, cmd, len);
+ } else if (cmd[0] & 0x01)
+ proc_req[mcl->state](mcl, cmd, len);
+}
+
+static gboolean mdl_event_cb(GIOChannel *chan, GIOCondition cond, gpointer data)
+{
+
+ struct mcap_mdl *mdl = data;
+ gboolean notify;
+
+ debug("Close MDL %d", mdl->mdlid);
+
+ notify = (mdl->state == MDL_CONNECTED);
+ shutdown_mdl(mdl);
+
+ update_mcl_state(mdl->mcl);
+
+ if (notify)
+ /*Callback to upper layer */
+ mdl->mcl->cb->mdl_closed(mdl, mdl->mcl->cb->user_data);
+
+ return FALSE;
+}
+
+static void mcap_connect_mdl_cb(GIOChannel *chan, GError *conn_err,
+ gpointer data)
+{
+ struct mcap_mdl_op_cb *con = data;
+ struct mcap_mdl *mdl = con->mdl;
+ mcap_mdl_operation_cb cb = con->cb.op;
+ gpointer user_data = con->user_data;
+
+ g_free(con);
+ debug("mdl connect callback");
+
+ if (conn_err) {
+ debug("ERROR: mdl connect callback");
+ mdl->state = MDL_CLOSED;
+ g_io_channel_unref(mdl->dc);
+ mdl->dc = NULL;
+ cb(mdl, conn_err, user_data);
+ return;
+ }
+
+ mdl->state = MDL_CONNECTED;
+ mdl->wid = g_io_add_watch(mdl->dc, G_IO_ERR | G_IO_HUP | G_IO_NVAL,
+ (GIOFunc) mdl_event_cb, mdl);
+
+ cb(mdl, conn_err, user_data);
+}
+
+void mcap_mdl_connect(struct mcap_mdl *mdl, BtIOType BtType, uint16_t dcpsm,
+ GError **err, mcap_mdl_operation_cb connect_cb, gpointer user_data)
+{
+ struct mcap_mdl_op_cb *con;
+
+ if (mdl->state != MDL_WAITING) {
+ g_set_error(err, MCAP_ERROR, MCAP_ERROR_INVALID_MDL,
+ "%s", error2str(MCAP_INVALID_MDL));
+ return;
+ }
+
+ con = g_new0(struct mcap_mdl_op_cb, 1);
+ con->mdl = mdl;
+ con->cb.op = connect_cb;
+ con->user_data = user_data;
+
+ /* TODO: Check if BtIOType is ERTM or Streaming before continue */
+
+ mdl->dc = bt_io_connect(BtType, mcap_connect_mdl_cb, con,
+ NULL, err,
+ BT_IO_OPT_SOURCE_BDADDR, &mdl->mcl->ms->src,
+ BT_IO_OPT_DEST_BDADDR, &mdl->mcl->addr,
+ BT_IO_OPT_PSM, dcpsm,
+ BT_IO_OPT_MTU, MCAP_DC_MTU,
+ BT_IO_OPT_SEC_LEVEL, mdl->mcl->ms->sec,
+ BT_IO_OPT_INVALID);
+ if (*err) {
+ debug("MDL Connection error");
+ mdl->state = MDL_CLOSED;
+ g_free(con);
+ }
+}
+
+static gboolean mcl_control_cb(GIOChannel *chan, GIOCondition cond, gpointer data)
+{
+
+ struct mcap_mcl *mcl = data;
+ int sk, len;
+ uint8_t buf[MCAP_CC_MTU];
+
+ if (cond & G_IO_NVAL) {
+ error("Revise G_IO_NVAL");
+ goto fail;
+ }
+
+ if (cond & (G_IO_ERR | G_IO_HUP))
+ goto fail;
+
+ sk = g_io_channel_unix_get_fd(chan);
+ len = recv(sk, buf, sizeof(buf), 0);
+ if (len < 0)
+ goto fail;
+
+ proc_cmd(mcl, buf, (uint32_t)len);
+ return TRUE;
+fail:
+ if (mcl->state != MCL_IDLE)
+ mcl->ms->mcl_disconnected_cb(mcl, mcl->ms->user_data);
+ mcap_park_mcl(mcl);
+ return FALSE;
+}
+
+static void mcap_connect_mcl_cb(GIOChannel *chan, GError *conn_err,
+ gpointer user_data)
+{
+ char dstaddr[18];
+ struct connect_mcl *con = user_data;
+ struct mcap_mcl *aux, *mcl = con->mcl;
+ mcap_mcl_connect_cb connect_cb = con->connect_cb;
+ gpointer data = con->user_data;
+ GError *gerr = NULL;
+
+ g_free(con);
+
+ mcl->ctrl &= ~MCAP_CTRL_CONN;
+
+ if (conn_err) {
+ if (mcl->ctrl & MCAP_CTRL_FREE)
+ mcl->ms->mcl_uncached_cb(mcl, mcl->ms->user_data);
+ mcap_mcl_check_del(mcl);
+ connect_cb(NULL, conn_err, data);
+ return;
+ }
+
+ ba2str(&mcl->addr, dstaddr);
+
+ aux = find_mcl(mcl->ms->mcls, &mcl->addr);
+ if (aux) {
+ /* Double MCL connection case */
+ if (aux != mcl) {
+ /* This MCL was not in cache */
+ mcap_mcl_unref(mcl);
+ }
+ error("MCL error: Device %s is already connected", dstaddr);
+ g_set_error(&gerr, MCAP_ERROR, MCAP_ERROR_ALREADY_EXISTS,
+ "MCL %s is already connected", dstaddr);
+ connect_cb(NULL, gerr, data);
+ g_error_free(gerr);
+ return;
+ }
+
+ mcl->state = MCL_CONNECTED;
+ mcl->role = MCL_INITIATOR;
+ mcl->req = MCL_AVAILABLE;
+ mcl->ctrl |= MCAP_CTRL_STD_OP;
+
+ if (mcl->ctrl & MCAP_CTRL_CACHED)
+ mcap_unpark_mcl(mcl);
+ else
+ mcl->ms->mcls = g_slist_prepend(mcl->ms->mcls, mcl);
+
+ mcl->wid = g_io_add_watch(mcl->cc, G_IO_IN | G_IO_ERR | G_IO_HUP | G_IO_NVAL,
+ (GIOFunc) mcl_control_cb, mcl);
+ connect_cb(mcl, gerr, data);
+
+ if (mcl->ref == 1) {
+ mcl->ms->mcls = g_slist_remove(mcl->ms->mcls, mcl);
+ mcap_mcl_unref(mcl);
+ }
+}
+
+void mcap_create_mcl(struct mcap_session *ms,
+ const bdaddr_t *addr,
+ uint16_t ccpsm,
+ GError **err,
+ mcap_mcl_connect_cb connect_cb,
+ gpointer user_data)
+{
+ struct mcap_mcl *mcl;
+ struct connect_mcl *con;
+
+ mcl = find_mcl(ms->mcls, addr);
+ if (mcl) {
+ g_set_error(err, MCAP_ERROR, MCAP_ERROR_ALREADY_EXISTS,
+ "MCL is already connected.");
+ return;
+ }
+
+ mcl = find_mcl(ms->cached, addr);
+ if (!mcl) {
+ mcl = g_new0(struct mcap_mcl, 1);
+ mcl->ms = ms;
+ mcl->state = MCL_IDLE;
+ bacpy(&mcl->addr, addr);
+ set_default_cb(mcl);
+ mcl = mcap_mcl_ref(mcl);
+ } else
+ mcl->ctrl |= MCAP_CTRL_CONN;
+
+ con = g_new0(struct connect_mcl, 1);
+ con->mcl = mcl;
+ con->connect_cb = connect_cb;
+ con->user_data = user_data;
+
+ mcl->cc = bt_io_connect(BT_IO_L2CAP, mcap_connect_mcl_cb, con,
+ NULL, err,
+ BT_IO_OPT_SOURCE_BDADDR, &ms->src,
+ BT_IO_OPT_DEST_BDADDR, addr,
+ BT_IO_OPT_PSM, ccpsm,
+ BT_IO_OPT_MTU, MCAP_CC_MTU,
+ BT_IO_OPT_SEC_LEVEL, ms->sec,
+ BT_IO_OPT_INVALID);
+ if (*err) {
+ g_free(con);
+ mcl->ctrl &= ~MCAP_CTRL_CONN;
+ if (mcl->ctrl & MCAP_CTRL_FREE)
+ mcl->ms->mcl_uncached_cb(mcl, mcl->ms->user_data);
+ mcap_mcl_check_del(mcl);
+ }
+}
+
+static void connect_dc_event_cb(GIOChannel *chan, GError *err, gpointer user_data)
+{
+ struct mcap_mdl *mdl = user_data;
+ struct mcap_mcl *mcl = mdl->mcl;
+
+ mdl->state = MDL_CONNECTED;
+ mdl->dc = g_io_channel_ref(chan);
+ mdl->wid = g_io_add_watch(mdl->dc, G_IO_ERR | G_IO_HUP | G_IO_NVAL,
+ (GIOFunc) mdl_event_cb, mdl);
+
+ mcl->state = MCL_ACTIVE;
+ mcl->cb->mdl_connected(mdl, mcl->cb->user_data);
+}
+
+static void confirm_dc_event_cb(GIOChannel *chan, gpointer user_data)
+{
+ struct mcap_session *ms = user_data;
+ struct mcap_mcl *mcl;
+ struct mcap_mdl *mdl;
+ GError *err = NULL;
+ bdaddr_t dst;
+ GSList *l;
+
+ bt_io_get(chan, BT_IO_L2CAP, &err,
+ BT_IO_OPT_DEST_BDADDR, &dst,
+ BT_IO_OPT_INVALID);
+ if (err) {
+ error("%s", err->message);
+ g_error_free(err);
+ goto drop;
+ }
+
+ mcl = find_mcl(ms->mcls, &dst);
+ if (!mcl || (mcl->state != MCL_PENDING))
+ goto drop;
+
+ for (l = mcl->mdls; l; l = l->next) {
+ mdl = l->data;
+ if (mdl->state == MDL_WAITING) {
+ if (!bt_io_accept(chan, connect_dc_event_cb, mdl, NULL,
+ &err)) {
+ error("MDL accept error %s", err->message);
+ g_error_free(err);
+ goto drop;
+ }
+ return;
+ }
+ }
+drop:
+ g_io_channel_shutdown(chan, TRUE, NULL);
+}
+
+static void connect_mcl_event_cb(GIOChannel *chan, GError *err, gpointer user_data)
+{
+ struct mcap_mcl *mcl = user_data;
+ gboolean reconn;
+
+ if (err) {
+ mcap_mcl_check_del(mcl);
+ return;
+ }
+
+ mcl->state = MCL_CONNECTED;
+ mcl->role = MCL_ACCEPTOR;
+ mcl->req = MCL_AVAILABLE;
+ mcl->cc = g_io_channel_ref(chan);
+ mcl->ctrl |= MCAP_CTRL_STD_OP;
+
+ reconn = (mcl->ctrl & MCAP_CTRL_CACHED);
+ if (reconn)
+ mcap_unpark_mcl(mcl);
+ else
+ mcl->ms->mcls = g_slist_prepend(mcl->ms->mcls, mcl);
+
+ mcl->wid = g_io_add_watch(mcl->cc,
+ G_IO_IN | G_IO_ERR | G_IO_HUP | G_IO_NVAL,
+ (GIOFunc) mcl_control_cb, mcl);
+
+ /* Callback to report new MCL */
+ if (reconn)
+ mcl->ms->mcl_reconnected_cb(mcl, mcl->ms->user_data);
+ else
+ mcl->ms->mcl_connected_cb(mcl, mcl->ms->user_data);
+
+ if (mcl->ref == 1) {
+ mcl->ms->mcls = g_slist_remove(mcl->ms->mcls, mcl);
+ mcap_mcl_unref(mcl);
+ }
+}
+
+static void confirm_mcl_event_cb(GIOChannel *chan, gpointer user_data)
+{
+ struct mcap_session *ms = user_data;
+ struct mcap_mcl *mcl;
+ bdaddr_t dst;
+ char address[18], srcstr[18];
+ GError *err = NULL;
+
+ bt_io_get(chan, BT_IO_L2CAP, &err,
+ BT_IO_OPT_DEST_BDADDR, &dst,
+ BT_IO_OPT_DEST, address,
+ BT_IO_OPT_INVALID);
+ if (err) {
+ error("%s", err->message);
+ g_error_free(err);
+ goto drop;
+ }
+
+ ba2str(&ms->src, srcstr);
+ mcl = find_mcl(ms->mcls, &dst);
+ if (mcl) {
+ error("Control channel already created with %s on adapter %s",
+ address, srcstr);
+ goto drop;
+ }
+
+ mcl = find_mcl(ms->cached, &dst);
+ if (!mcl) {
+ mcl = g_new0(struct mcap_mcl, 1);
+ mcl->ms = ms;
+ bacpy(&mcl->addr, &dst);
+ set_default_cb(mcl);
+ mcl = mcap_mcl_ref(mcl);
+ }
+
+ if (!bt_io_accept(chan, connect_mcl_event_cb, mcl, NULL, &err)) {
+ error("mcap accept error: %s", err->message);
+ if (!(mcl->ctrl & MCAP_CTRL_CACHED))
+ mcap_mcl_unref(mcl);
+ g_error_free(err);
+ goto drop;
+ }
+
+ return;
+drop:
+ g_io_channel_shutdown(chan, TRUE, NULL);
+}
+
+struct mcap_session *mcap_create_session(struct btd_adapter *btd_adapter,
+ BtIOSecLevel sec,
+ uint16_t ccpsm,
+ uint16_t dcpsm,
+ GError **gerr,
+ mcap_mcl_event_cb mcl_connected,
+ mcap_mcl_event_cb mcl_reconnected,
+ mcap_mcl_event_cb mcl_disconnected,
+ mcap_mcl_event_cb mcl_uncached,
+ gpointer user_data)
+{
+ struct mcap_session *ms;
+
+ if (sec < BT_IO_SEC_MEDIUM) {
+ g_set_error(gerr, MCAP_ERROR, MCAP_ERROR_INVALID_ARGS,
+ "Security level can't be minor of %d",
+ BT_IO_SEC_MEDIUM);
+ return NULL;
+ }
+
+ if (!(mcl_connected && mcl_reconnected &&
+ mcl_disconnected && mcl_uncached)) {
+ g_set_error(gerr, MCAP_ERROR, MCAP_ERROR_INVALID_ARGS,
+ "The callbacks can't be null");
+ return NULL;
+ }
+
+ ms = g_new0(struct mcap_session, 1);
+
+ adapter_get_address(btd_adapter, &ms->src);
+
+ ms->sec = sec;
+ ms->mcl_connected_cb = mcl_connected;
+ ms->mcl_reconnected_cb = mcl_reconnected;
+ ms->mcl_disconnected_cb = mcl_disconnected;
+ ms->mcl_uncached_cb = mcl_uncached;
+ ms->user_data = user_data;
+
+ /* Listen incoming connections in control channel */
+ ms->ccio = bt_io_listen(BT_IO_L2CAP, NULL, confirm_mcl_event_cb, ms,
+ NULL, gerr,
+ BT_IO_OPT_SOURCE_BDADDR, &ms->src,
+ BT_IO_OPT_PSM, ccpsm,
+ BT_IO_OPT_MTU, MCAP_CC_MTU,
+ BT_IO_OPT_SEC_LEVEL, sec,
+ BT_IO_OPT_INVALID);
+ if (!ms->ccio) {
+ error("%s", (*gerr)->message);
+ g_free(ms);
+ return NULL;
+ }
+
+ /* Listen incoming connections in data channels */
+ ms->dcio = bt_io_listen(BT_IO_L2CAP, NULL, confirm_dc_event_cb, ms,
+ NULL, gerr,
+ BT_IO_OPT_SOURCE_BDADDR, &ms->src,
+ BT_IO_OPT_PSM, dcpsm,
+ BT_IO_OPT_MTU, MCAP_DC_MTU,
+ BT_IO_OPT_SEC_LEVEL, sec,
+ BT_IO_OPT_INVALID);
+ if (!ms->dcio) {
+ g_io_channel_shutdown(ms->ccio, TRUE, NULL);
+ g_io_channel_unref(ms->ccio);
+ ms->ccio = NULL;
+ error("%s", (*gerr)->message);
+ g_free(ms);
+ return NULL;
+ }
+
+ return ms;
+}
+
+void mcap_close_session(struct mcap_session *ms)
+{
+ GSList *l;
+
+ if (!ms)
+ return;
+
+ if (ms->ccio) {
+ g_io_channel_shutdown(ms->ccio, TRUE, NULL);
+ g_io_channel_unref(ms->ccio);
+ ms->ccio = NULL;
+ }
+
+ if (ms->dcio) {
+ g_io_channel_shutdown(ms->dcio, TRUE, NULL);
+ g_io_channel_unref(ms->dcio);
+ ms->dcio = NULL;
+ }
+
+ for (l = ms->mcls; l; l = l->next) {
+ mcap_mcl_shutdown(l->data);
+ mcap_mcl_unref(l->data);
+ }
+ g_slist_free(ms->mcls);
+ ms->mcls = NULL;
+
+ for (l = ms->cached; l; l = l->next)
+ mcap_mcl_unref(l->data);
+ g_slist_free(ms->cached);
+ ms->cached = NULL;
+
+ g_free(ms);
+}
+
+uint16_t mcap_get_ctrl_psm(struct mcap_session *ms, GError **err)
+{
+ uint16_t lpsm;
+
+ if (!(ms && ms->ccio)) {
+ g_set_error(err, MCAP_ERROR, MCAP_ERROR_INVALID_ARGS,
+ "Invalid MCAP session");
+ return 0;
+ }
+
+ bt_io_get(ms->ccio, BT_IO_L2CAP, err,
+ BT_IO_OPT_PSM, &lpsm,
+ BT_IO_OPT_INVALID);
+ if (*err)
+ return 0;
+ return lpsm;
+}
+
+uint16_t mcap_get_data_psm(struct mcap_session *ms, GError **err)
+{
+ uint16_t lpsm;
+
+ if (!(ms && ms->dcio)) {
+ g_set_error(err, MCAP_ERROR, MCAP_ERROR_INVALID_ARGS,
+ "Invalid MCAP session");
+ return 0;
+ }
+
+ bt_io_get(ms->dcio, BT_IO_L2CAP, err,
+ BT_IO_OPT_PSM, &lpsm,
+ BT_IO_OPT_INVALID);
+ if (*err)
+ return 0;
+ return lpsm;
+}
diff --git a/mcap/mcap.h b/mcap/mcap.h
new file mode 100644
index 0000000..598e6ce
--- /dev/null
+++ b/mcap/mcap.h
@@ -0,0 +1,176 @@
+/*
+ *
+ * MCAP for BlueZ - Bluetooth protocol stack for Linux
+ *
+ * Copyright (C) 2010 GSyC/LibreSoft, Universidad Rey Juan Carlos.
+ *
+ * Authors:
+ * Santiago Carot-Nemesio <sancane at gmail.com>
+ * Jose Antonio Santos-Cadenas <santoscadenas at gmail.com>
+ *
+ * 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
+ *
+ */
+
+#ifndef __MCAP_H
+#define __MCAP_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define MCAP_VERSION 0x0100 /* current version 01.00 */
+
+/* bytes to get MCAP Supported Procedures */
+#define MCAP_SUP_PROC 0x06
+
+/* maximum transmission unit for channels */
+#define MCAP_CC_MTU 48
+#define MCAP_DC_MTU L2CAP_DEFAULT_MTU
+
+
+/* MCAP Standard Op Codes */
+#define MCAP_ERROR_RSP 0x00
+#define MCAP_MD_CREATE_MDL_REQ 0x01
+#define MCAP_MD_CREATE_MDL_RSP 0x02
+#define MCAP_MD_RECONNECT_MDL_REQ 0x03
+#define MCAP_MD_RECONNECT_MDL_RSP 0x04
+#define MCAP_MD_ABORT_MDL_REQ 0x05
+#define MCAP_MD_ABORT_MDL_RSP 0x06
+#define MCAP_MD_DELETE_MDL_REQ 0x07
+#define MCAP_MD_DELETE_MDL_RSP 0x08
+/*RESERVED 0x09*/
+/*RESERVED 0x10*/
+
+/* MCAP Clock Sync Op Codes */
+#define MCAP_MD_SYNC_CAP_REQ 0x11
+#define MCAP_MD_SYNC_CAP_RSP 0x12
+#define MCAP_MD_SYNC_SET_REQ 0x13
+#define MCAP_MD_SYNC_SET_RSP 0x14
+#define MCAP_MD_SYNC_INFO_IND 0x15
+/*RESERVED 0x16*/
+/*RESERVED 0x17*/
+/*RESERVED 0x18*/
+/*RESERVED 0x19*/
+/*RESERVED 0x20*/
+
+/* MCAP Response codes */
+#define MCAP_SUCCESS 0x00
+#define MCAP_INVALID_OP_CODE 0x01
+#define MCAP_INVALID_PARAM_VALUE 0x02
+#define MCAP_INVALID_MDEP 0x03
+#define MCAP_MDEP_BUSY 0x04
+#define MCAP_INVALID_MDL 0x05
+#define MCAP_MDL_BUSY 0x06
+#define MCAP_INVALID_OPERATION 0x07
+#define MCAP_RESOURCE_UNAVAILABLE 0x08
+#define MCAP_UNESPECIFIED_ERROR 0x09
+#define MCAP_REQUEST_NOT_SUPPORTED 0x0A
+#define MCAP_CONFIGURATION_REJECTED 0x0B
+/*RESERVED 0x0C-0xFF*/
+
+
+/* MDL IDs */
+#define MCAP_MDLID_RESERVED 0x0000
+#define MCAP_MDLID_INITIAL 0x0001
+#define MCAP_MDLID_FINAL 0xFEFF
+/*RESERVED 0xFF00-0xFFFE*/
+#define MCAP_ALL_MDLIDS 0xFFFF
+
+/* MDEP IDs */
+#define MCAP_MDEPID_INITIAL 0x00
+#define MCAP_MDEPID_FINAL 0x7F
+/*RESERVED 0x80-0xFF*/
+
+
+/*
+ * MCAP Request Packet Format
+ */
+
+typedef struct {
+ uint8_t op;
+ uint16_t mdl;
+ uint8_t mdep;
+ uint8_t conf;
+} __attribute__ ((packed)) mcap_md_create_mdl_req;
+
+typedef struct {
+ uint8_t op;
+ uint16_t mdl;
+} __attribute__ ((packed)) mcap_md_req;
+
+
+/*
+ * MCAP Response Packet Format
+ */
+
+typedef struct {
+ uint8_t op;
+ uint8_t rc;
+ uint16_t mdl;
+} __attribute__ ((packed)) mcap4B_rsp;
+
+typedef struct {
+ uint8_t op;
+ uint8_t rc;
+ uint16_t mdl;
+ uint8_t param;
+} __attribute__ ((packed)) mcap5B_rsp;
+
+
+/*
+ * MCAP Clock Synchronization Protocol
+ */
+typedef struct {
+ uint8_t op;
+ uint16_t timest;
+} __attribute__ ((packed)) mcap_md_sync_cap_req;
+
+typedef struct {
+ uint8_t op;
+ uint8_t rc;
+ uint8_t btclock;
+ uint16_t sltime;
+ uint16_t timestnr;
+ uint16_t timestna;
+} __attribute__ ((packed)) mcap_md_sync_cap_rsp;
+
+typedef struct {
+ uint8_t op;
+ uint8_t timestui;
+ uint32_t btclock;
+ uint64_t timestst;
+} __attribute__ ((packed)) mcap_md_sync_set_req;
+
+typedef struct {
+ uint8_t op;
+ uint8_t rc;
+ uint32_t btclock;
+ uint64_t timestst;
+ uint16_t timestsa;
+} __attribute__ ((packed)) mcap_md_sync_set_rsp;
+
+typedef struct {
+ uint8_t op;
+ uint32_t btclock;
+ uint64_t timestst;
+ uint16_t timestsa;
+} __attribute__ ((packed)) mcap_md_sync_info_ind;
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __MCAP_H */
diff --git a/mcap/mcap_lib.h b/mcap/mcap_lib.h
new file mode 100644
index 0000000..fd3eb74
--- /dev/null
+++ b/mcap/mcap_lib.h
@@ -0,0 +1,162 @@
+/*
+ *
+ * MCAP for BlueZ - Bluetooth protocol stack for Linux
+ *
+ * Copyright (C) 2010 GSyC/LibreSoft, Universidad Rey Juan Carlos.
+ *
+ * Authors:
+ * Santiago Carot-Nemesio <sancane at gmail.com>
+ * Jose Antonio Santos-Cadenas <santoscadenas at gmail.com>
+ *
+ * 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
+ *
+ */
+
+#ifndef __MCAP_LIB_H
+#define __MCAP_LIB_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <bluetooth/l2cap.h>
+#include "btio.h"
+#include "mcap.h"
+
+typedef enum {
+/* MCAP Error Response Codes */
+ MCAP_ERROR_INVALID_OP_CODE = 1,
+ MCAP_ERROR_INVALID_PARAM_VALUE,
+ MCAP_ERROR_INVALID_MDEP,
+ MCAP_ERROR_MDEP_BUSY,
+ MCAP_ERROR_INVALID_MDL,
+ MCAP_ERROR_MDL_BUSY,
+ MCAP_ERROR_INVALID_OPERATION,
+ MCAP_ERROR_RESOURCE_UNAVAILABLE,
+ MCAP_ERROR_UNESPECIFIED_ERROR,
+ MCAP_ERROR_REQUEST_NOT_SUPPORTED,
+ MCAP_ERROR_CONFIGURATION_REJECTED,
+/* MCAP Internal Errors */
+ MCAP_ERROR_INVALID_ARGS,
+ MCAP_ERROR_ALREADY_EXISTS,
+ MCAP_ERROR_FAILED,
+} McapError;
+
+typedef enum {
+ MCAP_MDL_CB_INVALID,
+ MCAP_MDL_CB_CONNECTED, /* mcap_mdl_event_cb */
+ MCAP_MDL_CB_CLOSED, /* mcap_mdl_event_cb */
+ MCAP_MDL_CB_DELETED, /* mcap_mdl_event_cb */
+ MCAP_MDL_CB_ABORTED, /* mcap_mdl_event_cb */
+ MCAP_MDL_CB_REMOTE_CONN_REQ, /* mcap_remote_mdl_conn_req_cb */
+ MCAP_MDL_CB_REMOTE_RECONN_REQ, /* mcap_remote_mdl_reconn_req_cb */
+} McapMclCb;
+
+struct mcap_session;
+struct mcap_mcl;
+struct mcap_mdl;
+
+/************ Callbacks ************/
+
+/* mdl callbacks */
+
+typedef void (* mcap_mdl_event_cb) (struct mcap_mdl *mdl, gpointer data);
+typedef void (* mcap_mdl_operation_conf_cb) (struct mcap_mdl *mdl, uint8_t conf,
+ GError *err, gpointer data);
+typedef void (* mcap_mdl_operation_cb) (struct mcap_mdl *mdl, GError *err,
+ gpointer data);
+typedef void (* mcap_mdl_del_cb) (GError *err, gpointer data);
+
+/* Next function should return an MCAP appropiate response code */
+typedef uint8_t (* mcap_remote_mdl_conn_req_cb) (struct mcap_mcl *mcl,
+ uint8_t mdepid, uint16_t mdlid,
+ uint8_t *conf, gpointer data);
+typedef uint8_t (* mcap_remote_mdl_reconn_req_cb) (struct mcap_mdl *mdl,
+ gpointer data);
+
+/* mcl callbacks */
+
+typedef void (* mcap_mcl_event_cb) (struct mcap_mcl *mcl, gpointer data);
+typedef void (* mcap_mcl_connect_cb) (struct mcap_mcl *mcl, GError *err,
+ gpointer data);
+
+/************ Operations ************/
+
+/* Mdl operations*/
+
+void mcap_req_mdl_creation(struct mcap_mcl *mcl,
+ uint8_t mdepid,
+ uint8_t conf,
+ GError **err,
+ mcap_mdl_operation_conf_cb connect_cb,
+ gpointer user_data);
+void mcap_req_mdl_reconnect(struct mcap_mdl *mdl, GError **err,
+ mcap_mdl_operation_cb reconnect_cb,
+ gpointer user_data);
+void mcap_req_mdl_delete_all(struct mcap_mcl *mcl, GError **err,
+ mcap_mdl_del_cb delete_cb, gpointer user_data);
+void mcap_req_mdl_deletion(struct mcap_mdl *mdl, GError **err,
+ mcap_mdl_del_cb delete_cb, gpointer user_data);
+void mcap_mdl_connect(struct mcap_mdl *mdl,
+ BtIOType BtType,
+ uint16_t dcpsm,
+ GError **err,
+ mcap_mdl_operation_cb connect_cb,
+ gpointer user_data);
+void mcap_mdl_abort(struct mcap_mdl *mdl, GError **err,
+ mcap_mdl_del_cb abort_cb, gpointer user_data);
+
+int mcap_mdl_get_fd(struct mcap_mdl *mdl);
+uint16_t mcap_mdl_get_mdlid(struct mcap_mdl *mdl);
+
+/* Mcl operations*/
+
+void mcap_create_mcl(struct mcap_session *ms,
+ const bdaddr_t *addr,
+ uint16_t ccpsm,
+ GError **err,
+ mcap_mcl_connect_cb connect_cb,
+ gpointer user_data);
+void mcap_close_mcl(struct mcap_mcl *mcl, gboolean cache);
+void mcap_mcl_set_cb(struct mcap_mcl *mcl, GError **gerr,
+ gpointer user_data, McapMclCb cb1, ...);
+bdaddr_t mcap_mcl_get_addr(struct mcap_mcl *mcl);
+
+struct mcap_mcl *mcap_mcl_ref(struct mcap_mcl *mcl);
+void mcap_mcl_unref(struct mcap_mcl *mcl);
+
+/* MCAP main operations */
+
+struct mcap_session *mcap_create_session(struct btd_adapter *btd_adapter,
+ BtIOSecLevel sec, uint16_t ccpsm,
+ uint16_t dcpsm,
+ GError **gerr,
+ mcap_mcl_event_cb mcl_connected,
+ mcap_mcl_event_cb mcl_reconnected,
+ mcap_mcl_event_cb mcl_disconnected,
+ mcap_mcl_event_cb mcl_uncached,
+ gpointer user_data);
+
+void mcap_close_session(struct mcap_session *ms);
+
+uint16_t mcap_get_ctrl_psm(struct mcap_session *ms, GError **err);
+uint16_t mcap_get_data_psm(struct mcap_session *ms, GError **err);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __MCAP_LIB_H */
+
--
1.6.3.3
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