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List: linux-bluetooth
Subject: [PATCH_v4 3/6] android/pan: Implement pan connect method in daemon
From: Ravi kumar Veeramally <ravikumar.veeramally () linux ! intel ! com>
Date: 2013-11-29 13:12:33
Message-ID: 1385730756-32400-4-git-send-email-ravikumar.veeramally () linux ! intel ! com
[Download RAW message or body]
Implements the PAN connect method in android daemon with PANU role
only. Setting up the bnep environment, adds connection and makes
bnep interface up are part of bnep_connect call. Notifies bnep
interface on control state call back and connection status on
connection state call back.
---
android/Android.mk | 2 +
android/Makefile.am | 3 +-
android/pan.c | 219 ++++++++++++++++++++++++++++++++++++++++++++++++++--
3 files changed, 216 insertions(+), 8 deletions(-)
diff --git a/android/Android.mk b/android/Android.mk
index c4d722d..549613c 100644
--- a/android/Android.mk
+++ b/android/Android.mk
@@ -42,6 +42,7 @@ LOCAL_SRC_FILES := \
../lib/hci.c \
../btio/btio.c \
../src/sdp-client.c \
+ ../profiles/network/bnep.c \
LOCAL_C_INCLUDES := \
$(call include-path-for, glib) \
@@ -66,6 +67,7 @@ lib_headers := \
sdp.h \
rfcomm.h \
sco.h \
+ bnep.h \
$(shell mkdir -p $(LOCAL_PATH)/../lib/bluetooth)
diff --git a/android/Makefile.am b/android/Makefile.am
index 15ecf35..df04762 100644
--- a/android/Makefile.am
+++ b/android/Makefile.am
@@ -24,7 +24,8 @@ android_bluetoothd_SOURCES = android/main.c \
android/socket.h android/socket.c \
android/pan.h android/pan.c \
btio/btio.h btio/btio.c \
- src/sdp-client.h src/sdp-client.c
+ src/sdp-client.h src/sdp-client.c \
+ profiles/network/bnep.h profiles/network/bnep.c
android_bluetoothd_LDADD = lib/libbluetooth-internal.la @GLIB_LIBS@
diff --git a/android/pan.c b/android/pan.c
index ea15637..5bd1b0d 100644
--- a/android/pan.c
+++ b/android/pan.c
@@ -29,35 +29,228 @@
#include <fcntl.h>
#include <glib.h>
+#include "btio/btio.h"
#include "lib/bluetooth.h"
+#include "lib/bnep.h"
+#include "lib/sdp.h"
+#include "lib/sdp_lib.h"
+#include "src/glib-helper.h"
+#include "profiles/network/bnep.h"
+
#include "log.h"
#include "pan.h"
#include "hal-msg.h"
#include "ipc.h"
+#include "utils.h"
+#include "bluetooth.h"
-static uint8_t bt_pan_enable(struct hal_cmd_pan_enable *cmd, uint16_t len)
+static bdaddr_t adapter_addr;
+GSList *peers = NULL;
+uint8_t local_role = HAL_PAN_ROLE_NONE;
+
+struct network_peer {
+ char dev[16];
+ bdaddr_t dst;
+ uint8_t conn_state;
+ uint8_t role;
+ GIOChannel *io;
+ guint watch;
+};
+
+static int peer_cmp(gconstpointer s, gconstpointer user_data)
{
- DBG("Not Implemented");
+ const struct network_peer *np = s;
+ const bdaddr_t *dst = user_data;
- return HAL_STATUS_FAILED;
+ return bacmp(&np->dst, dst);
}
-static uint8_t bt_pan_get_role(void *cmd, uint16_t len)
+static void network_peer_free(struct network_peer *np)
+{
+ local_role = HAL_PAN_ROLE_NONE;
+
+ if (np->watch > 0) {
+ g_source_remove(np->watch);
+ np->watch = 0;
+ }
+
+ if (np->io) {
+ g_io_channel_unref(np->io);
+ np->io = NULL;
+ }
+
+ peers = g_slist_remove(peers, np);
+ g_free(np);
+ np = NULL;
+}
+
+static void bt_pan_notify_conn_state(struct network_peer *np, uint8_t state)
+{
+ struct hal_ev_pan_conn_state ev;
+ char addr[18];
+
+ if (np->conn_state == state)
+ return;
+
+ np->conn_state = state;
+ ba2str(&np->dst, addr);
+ DBG("device %s state %u", addr, state);
+
+ bdaddr2android(&np->dst, ev.bdaddr);
+ ev.state = state;
+ ev.local_role = local_role;
+ ev.remote_role = np->role;
+ ev.status = HAL_STATUS_SUCCESS;
+
+ ipc_send_notif(HAL_SERVICE_ID_PAN, HAL_EV_PAN_CONN_STATE, sizeof(ev),
+ &ev);
+}
+
+static void bt_pan_notify_ctrl_state(struct network_peer *np, uint8_t state)
+{
+ struct hal_ev_pan_ctrl_state ev;
+
+ DBG("");
+
+ ev.state = state;
+ ev.local_role = local_role;
+ ev.status = HAL_STATUS_SUCCESS;
+ memcpy(ev.name, np->dev, sizeof(np->dev));
+
+ ipc_send_notif(HAL_SERVICE_ID_PAN, HAL_EV_PAN_CTRL_STATE, sizeof(ev),
+ &ev);
+}
+
+static gboolean bnep_watchdog_cb(GIOChannel *chan, GIOCondition cond,
+ gpointer data)
+{
+ struct network_peer *np = data;
+
+ DBG("%s disconnected", np->dev);
+
+ bt_pan_notify_conn_state(np, HAL_PAN_STATE_DISCONNECTED);
+ network_peer_free(np);
+
+ return FALSE;
+}
+
+static void bnep_conn_cb(GIOChannel *chan, char *iface, int err, void *data)
+{
+ struct network_peer *np = data;
+
+ DBG("");
+
+ if (err < 0) {
+ error("bnep connect req failed: %s", strerror(-err));
+ bt_pan_notify_conn_state(np, HAL_PAN_STATE_DISCONNECTED);
+ network_peer_free(np);
+ return;
+ }
+
+ memcpy(np->dev, iface, sizeof(np->dev));
+
+ DBG("%s connected", np->dev);
+
+ bt_pan_notify_ctrl_state(np, HAL_PAN_CTRL_ENABLED);
+ bt_pan_notify_conn_state(np, HAL_PAN_STATE_CONNECTED);
+
+ np->watch = g_io_add_watch(chan, G_IO_ERR | G_IO_HUP | G_IO_NVAL,
+ bnep_watchdog_cb, np);
+ g_io_channel_unref(np->io);
+ np->io = NULL;
+}
+
+static void connect_cb(GIOChannel *chan, GError *err, gpointer data)
+{
+ struct network_peer *np = data;
+ uint16_t src, dst;
+ int perr, sk;
+
+ DBG("");
+
+ if (err) {
+ error("%s", err->message);
+ bt_pan_notify_conn_state(np, HAL_PAN_STATE_DISCONNECTED);
+ network_peer_free(np);
+ }
+
+ src = (local_role == HAL_PAN_ROLE_NAP) ? BNEP_SVC_NAP : BNEP_SVC_PANU;
+ dst = (np->role == HAL_PAN_ROLE_NAP) ? BNEP_SVC_NAP : BNEP_SVC_PANU;
+ sk = g_io_channel_unix_get_fd(np->io);
+
+ perr = bnep_connect(sk, src, dst, bnep_conn_cb, np);
+ if (perr < 0) {
+ error("bnep connect req failed: %s", strerror(-perr));
+ bt_pan_notify_conn_state(np, HAL_PAN_STATE_DISCONNECTED);
+ network_peer_free(np);
+ return;
+ }
+}
+
+static uint8_t bt_pan_connect(struct hal_cmd_pan_connect *cmd, uint16_t len)
+{
+ struct network_peer *np;
+ bdaddr_t dst;
+ char addr[18];
+ GSList *l;
+ GError *gerr = NULL;
+
+ DBG("");
+
+ if (len < sizeof(*cmd))
+ return HAL_STATUS_INVALID;
+
+ android2bdaddr(&cmd->bdaddr, &dst);
+
+ l = g_slist_find_custom(peers, &dst, peer_cmp);
+ if (l)
+ return HAL_STATUS_FAILED;
+
+ np = g_new0(struct network_peer, 1);
+ bacpy(&np->dst, &dst);
+ local_role = cmd->local_role;
+ np->role = cmd->remote_role;
+
+ ba2str(&np->dst, addr);
+ DBG("connecting to %s %s", addr, np->dev);
+
+ np->io = bt_io_connect(connect_cb, np, NULL, &gerr,
+ BT_IO_OPT_SOURCE_BDADDR, &adapter_addr,
+ BT_IO_OPT_DEST_BDADDR, &np->dst,
+ BT_IO_OPT_PSM, BNEP_PSM,
+ BT_IO_OPT_SEC_LEVEL, BT_IO_SEC_MEDIUM,
+ BT_IO_OPT_OMTU, BNEP_MTU,
+ BT_IO_OPT_IMTU, BNEP_MTU,
+ BT_IO_OPT_INVALID);
+ if (!np->io) {
+ error("%s", gerr->message);
+ g_error_free(gerr);
+ g_free(np);
+ return HAL_STATUS_FAILED;
+ }
+
+ peers = g_slist_append(peers, np);
+ bt_pan_notify_conn_state(np, HAL_PAN_STATE_CONNECTING);
+
+ return HAL_STATUS_SUCCESS;
+}
+
+static uint8_t bt_pan_disconnect(struct hal_cmd_pan_disconnect *cmd,
+ uint16_t len)
{
DBG("Not Implemented");
return HAL_STATUS_FAILED;
}
-static uint8_t bt_pan_connect(struct hal_cmd_pan_connect *cmd, uint16_t len)
+static uint8_t bt_pan_enable(struct hal_cmd_pan_enable *cmd, uint16_t len)
{
DBG("Not Implemented");
return HAL_STATUS_FAILED;
}
-static uint8_t bt_pan_disconnect(struct hal_cmd_pan_disconnect *cmd,
- uint16_t len)
+static uint8_t bt_pan_get_role(void *cmd, uint16_t len)
{
DBG("Not Implemented");
@@ -91,12 +284,24 @@ void bt_pan_handle_cmd(int sk, uint8_t opcode, void *buf, uint16_t len)
bool bt_pan_register(const bdaddr_t *addr)
{
+ int err;
+
DBG("");
+ bacpy(&adapter_addr, addr);
+
+ err = bnep_init();
+ if (err) {
+ error("bnep init failed");
+ return false;
+ }
+
return true;
}
void bt_pan_unregister(void)
{
DBG("");
+
+ bnep_cleanup();
}
--
1.8.3.2
--
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