Add debugDump() to IServiceManager.
PassthroughServiceManager simply list all dynamic
libraries.
Test: lshal
Change-Id: Icf8b5e26a7f325e735543d1cf480ee7346046e93
diff --git a/transport/ServiceManagement.cpp b/transport/ServiceManagement.cpp
index 9a6a3b5..5795b02 100644
--- a/transport/ServiceManagement.cpp
+++ b/transport/ServiceManagement.cpp
@@ -16,26 +16,33 @@
#define LOG_TAG "ServiceManagement"
+#include <condition_variable>
+#include <dlfcn.h>
+#include <dirent.h>
+#include <unistd.h>
+
+#include <mutex>
+#include <regex>
+
#include <hidl/HidlBinderSupport.h>
#include <hidl/ServiceManagement.h>
#include <hidl/Static.h>
#include <hidl/Status.h>
#include <android-base/logging.h>
-#include <condition_variable>
-#include <dlfcn.h>
-#include <dirent.h>
#include <hidl-util/FQName.h>
#include <hidl-util/StringHelper.h>
#include <hwbinder/IPCThreadState.h>
#include <hwbinder/Parcel.h>
-#include <mutex>
-#include <unistd.h>
#include <android/hidl/manager/1.0/IServiceManager.h>
#include <android/hidl/manager/1.0/BpHwServiceManager.h>
#include <android/hidl/manager/1.0/BnHwServiceManager.h>
+#define RE_COMPONENT "[a-zA-Z_][a-zA-Z_0-9]*"
+#define RE_PATH RE_COMPONENT "(?:[.]" RE_COMPONENT ")*"
+static const std::regex gLibraryFileNamePattern("(" RE_PATH "@[0-9]+[.][0-9]+)-impl(.*?).so");
+
using android::hidl::manager::V1_0::IServiceManager;
using android::hidl::manager::V1_0::IServiceNotification;
using android::hidl::manager::V1_0::BpHwServiceManager;
@@ -86,6 +93,15 @@
return results;
}
+bool matchPackageName(const std::string &lib, std::string *matchedName) {
+ std::smatch match;
+ if (std::regex_match(lib, match, gLibraryFileNamePattern)) {
+ *matchedName = match.str(1) + "::I*";
+ return true;
+ }
+ return false;
+}
+
struct PassthroughServiceManager : IServiceManager {
Return<sp<IBase>> get(const hidl_string& fqName,
const hidl_string& name) override {
@@ -170,6 +186,27 @@
return false;
}
+ Return<void> debugDump(debugDump_cb _cb) override {
+ std::vector<InstanceDebugInfo> vec;
+ for (const std::string &path : {
+ HAL_LIBRARY_PATH_ODM, HAL_LIBRARY_PATH_VENDOR, HAL_LIBRARY_PATH_SYSTEM
+ }) {
+ std::vector<std::string> libs = search(path, "", ".so");
+ for (const std::string &lib : libs) {
+ std::string matchedName;
+ if (matchPackageName(lib, &matchedName)) {
+ vec.push_back({
+ .interfaceName = matchedName,
+ .instanceName = "",
+ .refCount = 0,
+ });
+ }
+ }
+ }
+ _cb(vec);
+ return Void();
+ }
+
};
sp<IServiceManager> getPassthroughServiceManager() {
diff --git a/transport/manager/1.0/IServiceManager.hal b/transport/manager/1.0/IServiceManager.hal
index 321ee21..ff7201e 100644
--- a/transport/manager/1.0/IServiceManager.hal
+++ b/transport/manager/1.0/IServiceManager.hal
@@ -107,4 +107,17 @@
string name,
IServiceNotification callback)
generates (bool success);
-};
\ No newline at end of file
+
+ struct InstanceDebugInfo {
+ string interfaceName;
+ string instanceName;
+ uint64_t refCount;
+ };
+
+ /*
+ * Similar to list, but contains more information for each instance.
+ * @return info a vector where each item contains debug information for each
+ * instance.
+ */
+ debugDump() generates (vec<InstanceDebugInfo> info);
+};