Dump system settings for all users (5ecd4bee) · Commits · e / os / android_frameworks_native

cmds/dumpstate/dumpstate.c

+1 −3

Original line number	Diff line number	Diff line
		@@ -174,9 +174,7 @@ static void dumpstate() {
		dump_file("LAST PANIC CONSOLE", "/data/dontpanic/apanic_console");
		dump_file("LAST PANIC THREADS", "/data/dontpanic/apanic_threads");

		run_command("SYSTEM SETTINGS", 20, SU_PATH, "root", "sqlite3",
		"/data/data/com.android.providers.settings/databases/settings.db",
		"pragma user_version; select * from system; select * from secure; select * from global;", NULL);
		for_each_userid(do_dump_settings, NULL);

		/* The following have a tendency to get wedged when wifi drivers/fw goes belly-up. */
		run_command("NETWORK INTERFACES", 10, SU_PATH, "root", "netcfg", NULL);

+7 −0

Original line number	Diff line number	Diff line
		@@ -26,6 +26,7 @@

		typedef void (for_each_pid_func)(int, const char *);
		typedef void (for_each_tid_func)(int, int, const char *);
		typedef void (for_each_userid_func)(int);

		/* prints the contents of a file */
		int dump_file(const char title, const char path);
		@@ -51,6 +52,9 @@ void for_each_pid(for_each_pid_func func, const char *header);
		/* for each thread in the system, run the specified function */
		void for_each_tid(for_each_tid_func func, const char *header);

		/* for each user id in the system, run the specified function */
		void for_each_userid(for_each_userid_func func, const char *header);

		/* Displays a blocked processes in-kernel wait channel */
		void show_wchan(int pid, int tid, const char *name);

		@@ -60,6 +64,9 @@ void do_showmap(int pid, const char *name);
		/* Gets the dmesg output for the kernel */
		void do_dmesg();

		/* Dumps settings for a given user id */
		void do_dump_settings(int userid);

		/* Play a sound via Stagefright */
		void play_sound(const char* path);

+39 −0

Original line number	Diff line number	Diff line
		@@ -51,6 +51,29 @@ static const char* native_processes_to_dump[] = {
		NULL,
		};

		void for_each_userid(void (func)(int), const char header) {
		DIR *d;
		struct dirent *de;

		if (header) printf("\n------ %s ------\n", header);
		func(0);

		if (!(d = opendir("/data/system/users"))) {
		printf("Failed to open /data/system/users (%s)\n", strerror(errno));
		return;
		}

		while ((de = readdir(d))) {
		int userid;
		if (de->d_type != DT_DIR \|\| !(userid = atoi(de->d_name))) {
		continue;
		}
		func(userid);
		}

		closedir(d);
		}

		static void __for_each_pid(void (helper)(int, const char , void ), const char header, void *arg) {
		DIR *d;
		struct dirent *de;
		@@ -175,6 +198,22 @@ out_close:
		return;
		}

		void do_dump_settings(int userid) {
		char title[255];
		char dbpath[255];
		char sql[255];
		sprintf(title, "SYSTEM SETTINGS (user %d)", userid);
		if (userid == 0) {
		strcpy(dbpath, "/data/data/com.android.providers.settings/databases/settings.db");
		strcpy(sql, "pragma user_version; select * from system; select * from secure; select * from global;");
		} else {
		sprintf(dbpath, "/data/system/users/%d/settings.db", userid);
		strcpy(sql, "pragma user_version; select * from system; select * from secure;");
		}
		run_command(title, 20, SU_PATH, "root", "sqlite3", dbpath, sql, NULL);
		return;
		}

		void do_dmesg() {
		printf("------ KERNEL LOG (dmesg) ------\n");
		/* Get size of kernel buffer */