thermal-hal: Add support for new thermal HAl v2 binary
Add support for new thermal HAL v2 binary, which can listen to the thermal
framework netlink messages instead of the uevents sent by the userspace
governor. This new binary should be selected only for the kernel version
supporting the new netlink messages in thermal framework.
Change-Id: I31cdb93fb73d59ff3eb94eb76d6e42b3448c3ee9
diff --git a/thermalMonitorNetlink.h b/thermalMonitorNetlink.h
new file mode 100644
index 0000000..7ad87dd
--- /dev/null
+++ b/thermalMonitorNetlink.h
@@ -0,0 +1,82 @@
+/*
+ * Copyright (c) 2021, The Linux Foundation. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials provided
+ * with the distribution.
+ * * Neither the name of The Linux Foundation nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ *
+ * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+ * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
+ * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
+ * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+
+#ifndef THERMAL_THERMAL_MONITOR_NETLINK_H__
+#define THERMAL_THERMAL_MONITOR_NETLINK_H__
+
+#include <thread>
+#include <netlink/genl/genl.h>
+#include <netlink/genl/mngt.h>
+#include <netlink/genl/ctrl.h>
+#include <netlink/netlink.h>
+#include <android/hardware/thermal/2.0/IThermal.h>
+
+namespace android {
+namespace hardware {
+namespace thermal {
+namespace V2_0 {
+namespace implementation {
+
+using eventMonitorCB = std::function<void(int, int)>;
+
+class ThermalMonitor {
+ public:
+ ThermalMonitor(const eventMonitorCB &inp_event_cb,
+ const eventMonitorCB &inp_sample_cb);
+ ~ThermalMonitor();
+
+ void parse_and_notify(char *inp_buf, ssize_t len);
+ bool stopPolling()
+ {
+ return monitor_shutdown;
+ }
+ void start();
+ int family_msg_cb(struct nl_msg *msg, void *data);
+ int event_parse(struct nl_msg *n, void *data);
+ int sample_parse(struct nl_msg *n, void *data);
+ private:
+ std::thread event_th, sample_th;
+ struct nl_sock *event_soc, *sample_soc;
+ int event_group, sample_group;
+ bool monitor_shutdown;
+ eventMonitorCB event_cb, sample_cb;
+
+ int fetch_group_id();
+ int send_nl_msg(struct nl_msg *msg);
+};
+
+} // namespace implementation
+} // namespace V2_0
+} // namespace thermal
+} // namespace hardware
+} // namespace android
+
+#endif // THERMAL_THERMAL_MONITOR_NETLINK_H__