Merge "Add modem logs to the bugreport" (984f1279) · Commits · e / os / android_frameworks_native

cmds/dumpstate/dumpstate.cpp

+81 −0

Original line number	Diff line number	Diff line
		@@ -39,6 +39,7 @@
		#include <android-base/file.h>
		#include <android-base/properties.h>
		#include <android-base/stringprintf.h>
		#include <android-base/strings.h>
		#include <android-base/unique_fd.h>
		#include <cutils/properties.h>
		#include <hardware_legacy/power.h>
		@@ -395,6 +396,81 @@ static void dump_raft() {
		}
		}

		/**
		* Finds the last modified file in the directory dir whose name starts with file_prefix.
		*
		* Function returns empty string when it does not find a file
		*/
		static std::string GetLastModifiedFileWithPrefix(const std::string& dir,
		const std::string& file_prefix) {
		std::unique_ptr<DIR, decltype(&closedir)> d(opendir(dir.c_str()), closedir);
		if (d == nullptr) {
		MYLOGD("Error %d opening %s\n", errno, dir.c_str());
		return "";
		}

		// Find the newest file matching the file_prefix in dir
		struct dirent *de;
		time_t last_modified_time = 0;
		std::string last_modified_file = "";
		struct stat s;

		while ((de = readdir(d.get()))) {
		std::string file = std::string(de->d_name);
		if (!file_prefix.empty()) {
		if (!android::base::StartsWith(file, file_prefix.c_str())) continue;
		}
		file = dir + "/" + file;
		int ret = stat(file.c_str(), &s);

		if ((ret == 0) && (s.st_mtime > last_modified_time)) {
		last_modified_file = file;
		last_modified_time = s.st_mtime;
		}
		}

		return last_modified_file;
		}

		static void DumpModemLogs() {
		DurationReporter durationReporter("DUMP MODEM LOGS");
		if (IsUserBuild()) {
		return;
		}

		if (!ds.IsZipping()) {
		MYLOGD("Not dumping modem logs. dumpstate is not generating a zipping bugreport\n");
		return;
		}

		std::string file_prefix = android::base::GetProperty("ro.radio.log_prefix", "");

		if(file_prefix.empty()) {
		MYLOGD("No modem log : file_prefix is empty\n");
		return;
		}

		// TODO: use bugreport_dir_ directly when this function is moved to Dumpstate class
		std::string bugreport_dir = dirname(ds.GetPath("").c_str());
		MYLOGD("DumpModemLogs: directory is %s and file_prefix is %s\n",
		bugreport_dir.c_str(), file_prefix.c_str());

		std::string modem_log_file = GetLastModifiedFileWithPrefix(bugreport_dir, file_prefix);

		struct stat s;
		if (modem_log_file.empty() \|\| stat(modem_log_file.c_str(), &s) != 0) {
		MYLOGD("Modem log %s does not exist\n", modem_log_file.c_str());
		return;
		}

		std::string filename = basename(modem_log_file.c_str());
		if (!ds.AddZipEntry(filename, modem_log_file)) {
		MYLOGE("Unable to add modem log %s to zip file\n", modem_log_file.c_str());
		} else {
		MYLOGD("Modem Log %s is added to zip\n", modem_log_file.c_str());
		}
		}

		static bool skip_not_stat(const char *path) {
		static const char stat[] = "/stat";
		size_t len = strlen(path);
		@@ -1037,6 +1113,11 @@ static void dumpstate() {

		RunDumpsys("APP PROVIDERS", {"activity", "provider", "all"});

		// DumpModemLogs adds the modem logs if available to the bugreport.
		// Do this at the end to allow for sufficient time for the modem logs to be
		// collected.
		DumpModemLogs();

		printf("========================================================\n");
		printf("== Final progress (pid %d): %d/%d (originally %d)\n", getpid(), ds.progress_,
		ds.weight_total_, WEIGHT_TOTAL);