move ringbuffer interactions to wifi hal

Shallow copy of ringbuffer is stored inside the hal.
The maximum ringbuffer size is configured by the
framework.

overrides IBase::debug to:
1. write ringbuffers in memory to flash (wifi tombstones)
2. write wifi tombstones to lshal debug fd in archived format

Bug: 70171481
Test: compile, run on device
Test: run "lshal debug android.hardware.wifi@1.2::IWifi >>
archive.cpio" and compared archived files with originals using diff command
Change-Id: I33c30e37f245cfa36e005ba8cdc46e91f6de9237
diff --git a/wifi/1.2/default/wifi_chip.h b/wifi/1.2/default/wifi_chip.h
index b5dcc8c..4ffa8da 100644
--- a/wifi/1.2/default/wifi_chip.h
+++ b/wifi/1.2/default/wifi_chip.h
@@ -17,12 +17,14 @@
 #ifndef WIFI_CHIP_H_
 #define WIFI_CHIP_H_
 
+#include <list>
 #include <map>
 
 #include <android-base/macros.h>
 #include <android/hardware/wifi/1.2/IWifiChip.h>
 
 #include "hidl_callback_util.h"
+#include "ringbuffer.h"
 #include "wifi_ap_iface.h"
 #include "wifi_feature_flags.h"
 #include "wifi_legacy_hal.h"
@@ -134,6 +136,8 @@
         selectTxPowerScenario_cb hidl_status_cb) override;
     Return<void> resetTxPowerScenario(
         resetTxPowerScenario_cb hidl_status_cb) override;
+    Return<void> debug(const hidl_handle& handle,
+                       const hidl_vec<hidl_string>& options) override;
 
    private:
     void invalidateAndRemoveAllIfaces();
@@ -204,6 +208,7 @@
     bool canCurrentModeSupportIfaceOfType(IfaceType type);
     bool isValidModeId(ChipModeId mode_id);
     std::string allocateApOrStaIfaceName();
+    bool writeRingbufferFilesInternal();
 
     ChipId chip_id_;
     std::weak_ptr<legacy_hal::WifiLegacyHal> legacy_hal_;
@@ -214,6 +219,7 @@
     std::vector<sp<WifiP2pIface>> p2p_ifaces_;
     std::vector<sp<WifiStaIface>> sta_ifaces_;
     std::vector<sp<WifiRttController>> rtt_controllers_;
+    std::map<std::string, Ringbuffer> ringbuffer_map_;
     bool is_valid_;
     // Members pertaining to chip configuration.
     uint32_t current_mode_id_;