Add Wearable node.db to Bullhead dumpstate.

Bug: 28640932
Change-Id: I6267d1c6b34b9c21aabc368eec20019c13f3c027

1 files changed, 46 insertions, 0 deletions

diff --git a/dumpstate/dumpstate.cpp b/dumpstate/dumpstate.cpp
index ef6d6ff..7887f6f 100644
--- a/dumpstate/dumpstate.cpp
+++ b/dumpstate/dumpstate.cpp
@@ -13,9 +13,53 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+#include <errno.h>
+#include <string>
+#include <string.h>
 
+#define LOG_TAG "dumpstate"
+#include <cutils/log.h>
 #include <dumpstate.h>
 
+/**
+ * Dump Wearable node database if present.
+ *
+ * TODO This function is a temporary solution for Android Wear and should be
+ * removed once dumpsys has proper support for adding files to the zip, or
+ * moved to a common library.
+ */
+void dump_wear_nodedb() {
+    // we rely on su to workaround selinux permissions in the app data directory
+    // so this will only work on userdebug builds
+    if (is_user_build()) {
+        return;
+    }
+
+    std::string tmp_nodedb_path = bugreport_dir + "/wear-nodedb.db";
+    std::string wear_nodedb_path = "/data/data/com.google.android.gms/databases/node.db";
+
+    if (run_command("COPY WEAR NODE DB", 600, SU_PATH, "root",
+                    "cp", wear_nodedb_path.c_str(), tmp_nodedb_path.c_str(), NULL)) {
+        MYLOGE("Wear node.db copy failed\n");
+        return;
+    }
+    if (run_command("CHOWN WEAR NODE DB", 600, SU_PATH, "root",
+                    "chown", "shell:shell", tmp_nodedb_path.c_str(), NULL)) {
+        MYLOGE("Wear node.db chown failed\n");
+        return;
+    }
+    if (add_zip_entry(ZIP_ROOT_DIR + wear_nodedb_path, tmp_nodedb_path)) {
+        MYLOGD("Wear node.db added to zip file\n");
+    } else {
+        MYLOGE("Unable to add zip for Wear node.db\n");
+    }
+    // unconditionally remove the db since it's just a copy
+    if (remove(tmp_nodedb_path.c_str())) {
+        MYLOGE("Error removing Wear node.db file %s: %s\n",
+                tmp_nodedb_path.c_str(), strerror(errno));
+    }
+}
+
 void dumpstate_board()
 {
     dump_file("INTERRUPTS", "/proc/interrupts");
@@ -36,4 +80,6 @@ void dumpstate_board()
     run_command("LITTLE cluster cpuidle", 5, SU_PATH, "root", "/system/bin/sh", "-c", "for d in $(ls -d /sys/devices/system/cpu/cpu0/cpuidle/state*); do echo \"$d: `cat $d/name` `cat $d/desc` `cat $d/time` `cat $d/usage`\"; done", NULL);
     dump_file("big cluster time-in-state", "/sys/devices/system/cpu/cpu4/cpufreq/stats/time_in_state");
     run_command("big cluster cpuidle", 5, SU_PATH, "root", "/system/bin/sh", "-c", "for d in $(ls -d /sys/devices/system/cpu/cpu4/cpuidle/state*); do echo \"$d: `cat $d/name` `cat $d/desc` `cat $d/time` `cat $d/usage`\"; done", NULL);
+
+    dump_wear_nodedb();
 };