Remove references to property size limits.
Bug: http://b/33926793
Test: "python systrace.py"
Change-Id: Ia11c160935b8601bc9c4d867abc57ccf37f84082
diff --git a/cmds/atrace/atrace.cpp b/cmds/atrace/atrace.cpp
index 965a78e..acf63c3 100644
--- a/cmds/atrace/atrace.cpp
+++ b/cmds/atrace/atrace.cpp
@@ -39,18 +39,19 @@
#include <android/hidl/manager/1.0/IServiceManager.h>
#include <hidl/ServiceManagement.h>
-#include <cutils/properties.h>
#include <utils/String8.h>
#include <utils/Timers.h>
#include <utils/Tokenizer.h>
#include <utils/Trace.h>
#include <android-base/file.h>
+#include <android-base/macros.h>
+#include <android-base/properties.h>
+#include <android-base/stringprintf.h>
using namespace android;
using std::string;
-#define NELEM(x) ((int) (sizeof(x) / sizeof((x)[0])))
#define MAX_SYS_FILES 10
#define MAX_PACKAGES 16
@@ -204,7 +205,7 @@
/* Global state */
static bool g_traceAborted = false;
-static bool g_categoryEnables[NELEM(k_categories)] = {};
+static bool g_categoryEnables[arraysize(k_categories)] = {};
static std::string g_traceFolder;
/* Sys file paths */
@@ -356,9 +357,7 @@
static bool isCategorySupported(const TracingCategory& category)
{
if (strcmp(category.name, k_coreServiceCategory) == 0) {
- char value[PROPERTY_VALUE_MAX];
- property_get(k_coreServicesProp, value, "");
- return strlen(value) != 0;
+ return !android::base::GetProperty(k_coreServicesProp, "").empty();
}
bool ok = category.tags != 0;
@@ -569,9 +568,8 @@
// processes to pick up the new value.
static bool setTagsProperty(uint64_t tags)
{
- char buf[PROPERTY_VALUE_MAX];
- snprintf(buf, sizeof(buf), "%#" PRIx64, tags);
- if (property_set(k_traceTagsProperty, buf) < 0) {
+ std::string value = android::base::StringPrintf("%#" PRIx64, tags);
+ if (!android::base::SetProperty(k_traceTagsProperty, value)) {
fprintf(stderr, "error setting trace tags system property\n");
return false;
}
@@ -580,14 +578,13 @@
static void clearAppProperties()
{
- char buf[PROPERTY_KEY_MAX];
for (int i = 0; i < MAX_PACKAGES; i++) {
- snprintf(buf, sizeof(buf), k_traceAppsPropertyTemplate, i);
- if (property_set(buf, "") < 0) {
- fprintf(stderr, "failed to clear system property: %s\n", buf);
+ std::string key = android::base::StringPrintf(k_traceAppsPropertyTemplate, i);
+ if (!android::base::SetProperty(key, "")) {
+ fprintf(stderr, "failed to clear system property: %s\n", key.c_str());
}
}
- if (property_set(k_traceAppsNumberProperty, "") < 0) {
+ if (!android::base::SetProperty(k_traceAppsNumberProperty, "")) {
fprintf(stderr, "failed to clear system property: %s",
k_traceAppsNumberProperty);
}
@@ -597,7 +594,6 @@
// application-level tracing.
static bool setAppCmdlineProperty(char* cmdline)
{
- char buf[PROPERTY_KEY_MAX];
int i = 0;
char* start = cmdline;
while (start != NULL) {
@@ -611,9 +607,9 @@
*end = '\0';
end++;
}
- snprintf(buf, sizeof(buf), k_traceAppsPropertyTemplate, i);
- if (property_set(buf, start) < 0) {
- fprintf(stderr, "error setting trace app %d property to %s\n", i, buf);
+ std::string key = android::base::StringPrintf(k_traceAppsPropertyTemplate, i);
+ if (!android::base::SetProperty(key, start)) {
+ fprintf(stderr, "error setting trace app %d property to %s\n", i, key.c_str());
clearAppProperties();
return false;
}
@@ -621,9 +617,9 @@
i++;
}
- snprintf(buf, sizeof(buf), "%d", i);
- if (property_set(k_traceAppsNumberProperty, buf) < 0) {
- fprintf(stderr, "error setting trace app number property to %s\n", buf);
+ std::string value = android::base::StringPrintf("%d", i);
+ if (!android::base::SetProperty(k_traceAppsNumberProperty, value)) {
+ fprintf(stderr, "error setting trace app number property to %s\n", value.c_str());
clearAppProperties();
return false;
}
@@ -633,7 +629,7 @@
// Disable all /sys/ enable files.
static bool disableKernelTraceEvents() {
bool ok = true;
- for (int i = 0; i < NELEM(k_categories); i++) {
+ for (size_t i = 0; i < arraysize(k_categories); i++) {
const TracingCategory &c = k_categories[i];
for (int j = 0; j < MAX_SYS_FILES; j++) {
const char* path = c.sysfiles[j].path;
@@ -721,7 +717,7 @@
static bool setCategoryEnable(const char* name, bool enable)
{
- for (int i = 0; i < NELEM(k_categories); i++) {
+ for (size_t i = 0; i < arraysize(k_categories); i++) {
const TracingCategory& c = k_categories[i];
if (strcmp(name, c.name) == 0) {
if (isCategorySupported(c)) {
@@ -781,7 +777,7 @@
// Set up the tags property.
uint64_t tags = 0;
- for (int i = 0; i < NELEM(k_categories); i++) {
+ for (size_t i = 0; i < arraysize(k_categories); i++) {
if (g_categoryEnables[i]) {
const TracingCategory &c = k_categories[i];
tags |= c.tags;
@@ -790,7 +786,7 @@
ok &= setTagsProperty(tags);
bool coreServicesTagEnabled = false;
- for (int i = 0; i < NELEM(k_categories); i++) {
+ for (size_t i = 0; i < arraysize(k_categories); i++) {
if (strcmp(k_categories[i].name, k_coreServiceCategory) == 0) {
coreServicesTagEnabled = g_categoryEnables[i];
}
@@ -798,12 +794,10 @@
std::string packageList(g_debugAppCmdLine);
if (coreServicesTagEnabled) {
- char value[PROPERTY_VALUE_MAX];
- property_get(k_coreServicesProp, value, "");
if (!packageList.empty()) {
packageList += ",";
}
- packageList += value;
+ packageList += android::base::GetProperty(k_coreServicesProp, "");
}
ok &= setAppCmdlineProperty(&packageList[0]);
ok &= pokeBinderServices();
@@ -814,7 +808,7 @@
ok &= disableKernelTraceEvents();
// Enable all the sysfs enables that are in an enabled category.
- for (int i = 0; i < NELEM(k_categories); i++) {
+ for (size_t i = 0; i < arraysize(k_categories); i++) {
if (g_categoryEnables[i]) {
const TracingCategory &c = k_categories[i];
for (int j = 0; j < MAX_SYS_FILES; j++) {
@@ -1012,7 +1006,7 @@
static void listSupportedCategories()
{
- for (int i = 0; i < NELEM(k_categories); i++) {
+ for (size_t i = 0; i < arraysize(k_categories); i++) {
const TracingCategory& c = k_categories[i];
if (isCategorySupported(c)) {
printf(" %10s - %s\n", c.name, c.longname);