vintf: KernelInfo -> RuntimeInfo.

There are more runtime information to report to the
OTA server besides kernel information (like avb.meta-version).
Renaming this class to reflect this.

Test: mma
Test: libvintf_test

Change-Id: Ie5863508bdac7a1a378c00528c8fd9853c6c50aa
diff --git a/Android.bp b/Android.bp
index 5f5443f..a85dc26 100644
--- a/Android.bp
+++ b/Android.bp
@@ -34,7 +34,7 @@
         "parse_xml.cpp",
         "CompatibilityMatrix.cpp",
         "KernelConfigTypedValue.cpp",
-        "KernelInfo.cpp",
+        "RuntimeInfo.cpp",
         "ManifestHal.cpp",
         "MatrixHal.cpp",
         "MatrixKernel.cpp",
diff --git a/KernelInfo.cpp b/RuntimeInfo.cpp
similarity index 78%
rename from KernelInfo.cpp
rename to RuntimeInfo.cpp
index b3370a4..1c93ee0 100644
--- a/KernelInfo.cpp
+++ b/RuntimeInfo.cpp
@@ -17,7 +17,7 @@
 
 #define LOG_TAG "libvintf"
 
-#include "KernelInfo.h"
+#include "RuntimeInfo.h"
 
 #include "CompatibilityMatrix.h"
 #include "parse_string.h"
@@ -51,8 +51,8 @@
     s->erase(r.base(), s->end());
 }
 
-struct KernelInfoFetcher {
-    KernelInfoFetcher(KernelInfo *ki) : mKernelInfo(ki) { }
+struct RuntimeInfoFetcher {
+    RuntimeInfoFetcher(RuntimeInfo *ki) : mRuntimeInfo(ki) { }
     status_t fetchAllInformation();
 private:
     void streamConfig(const char *buf, size_t len);
@@ -63,12 +63,12 @@
     status_t fetchKernelSepolicyVers();
     status_t fetchSepolicyFiles();
     status_t parseKernelVersion();
-    KernelInfo *mKernelInfo;
+    RuntimeInfo *mRuntimeInfo;
     std::string mRemaining;
 };
 
 // decompress /proc/config.gz and read its contents.
-status_t KernelInfoFetcher::fetchKernelConfigs() {
+status_t RuntimeInfoFetcher::fetchKernelConfigs() {
     gzFile f = gzopen(PROC_CONFIG, "rb");
     if (f == NULL) {
         LOG(ERROR) << "Could not open /proc/config.gz: " << errno;
@@ -95,7 +95,7 @@
     return err;
 }
 
-void KernelInfoFetcher::parseConfig(std::string *s) {
+void RuntimeInfoFetcher::parseConfig(std::string *s) {
     removeTrailingComments(s);
     trim(s);
     if (s->empty()) {
@@ -108,13 +108,13 @@
     }
     std::string key = s->substr(0, equalPos);
     std::string value = s->substr(equalPos + 1);
-    if (!mKernelInfo->mKernelConfigs.emplace(std::move(key), std::move(value)).second) {
+    if (!mRuntimeInfo->mKernelConfigs.emplace(std::move(key), std::move(value)).second) {
         LOG(WARNING) << "Duplicated key in /proc/config.gz: " << s->substr(0, equalPos);
         return;
     }
 }
 
-void KernelInfoFetcher::streamConfig(const char *buf, size_t len) {
+void RuntimeInfoFetcher::streamConfig(const char *buf, size_t len) {
     const char *begin = buf;
     const char *end = buf;
     const char *stop = buf + len;
@@ -130,63 +130,63 @@
     mRemaining.insert(mRemaining.size(), begin, end - begin);
 }
 
-status_t KernelInfoFetcher::fetchCpuInfo() {
+status_t RuntimeInfoFetcher::fetchCpuInfo() {
     // TODO implement this; 32-bit and 64-bit has different format.
     return OK;
 }
 
-status_t KernelInfoFetcher::fetchKernelSepolicyVers() {
+status_t RuntimeInfoFetcher::fetchKernelSepolicyVers() {
     int pv = security_policyvers();
     if (pv < 0) {
         return pv;
     }
-    mKernelInfo->mKernelSepolicyVersion = pv;
+    mRuntimeInfo->mKernelSepolicyVersion = pv;
     return OK;
 }
 
-status_t KernelInfoFetcher::fetchVersion() {
+status_t RuntimeInfoFetcher::fetchVersion() {
     struct utsname buf;
     if (uname(&buf)) {
         return -errno;
     }
-    mKernelInfo->mOsName = buf.sysname;
-    mKernelInfo->mNodeName = buf.nodename;
-    mKernelInfo->mOsRelease = buf.release;
-    mKernelInfo->mOsVersion = buf.version;
-    mKernelInfo->mHardwareId = buf.machine;
+    mRuntimeInfo->mOsName = buf.sysname;
+    mRuntimeInfo->mNodeName = buf.nodename;
+    mRuntimeInfo->mOsRelease = buf.release;
+    mRuntimeInfo->mOsVersion = buf.version;
+    mRuntimeInfo->mHardwareId = buf.machine;
 
     status_t err = parseKernelVersion();
     if (err != OK) {
         LOG(ERROR) << "Could not parse kernel version from \""
-                   << mKernelInfo->mOsRelease << "\"";
+                   << mRuntimeInfo->mOsRelease << "\"";
     }
     return err;
 }
 
-status_t KernelInfoFetcher::parseKernelVersion() {
-    auto pos = mKernelInfo->mOsRelease.find('.');
+status_t RuntimeInfoFetcher::parseKernelVersion() {
+    auto pos = mRuntimeInfo->mOsRelease.find('.');
     if (pos == std::string::npos) {
         return UNKNOWN_ERROR;
     }
-    pos = mKernelInfo->mOsRelease.find('.', pos + 1);
+    pos = mRuntimeInfo->mOsRelease.find('.', pos + 1);
     if (pos == std::string::npos) {
         return UNKNOWN_ERROR;
     }
-    pos = mKernelInfo->mOsRelease.find_first_not_of("0123456789", pos + 1);
+    pos = mRuntimeInfo->mOsRelease.find_first_not_of("0123456789", pos + 1);
     // no need to check pos == std::string::npos, because substr will handle this
-    if (!parse(mKernelInfo->mOsRelease.substr(0, pos), &mKernelInfo->mKernelVersion)) {
+    if (!parse(mRuntimeInfo->mOsRelease.substr(0, pos), &mRuntimeInfo->mKernelVersion)) {
         return UNKNOWN_ERROR;
     }
     return OK;
 }
 
 // Grab sepolicy files.
-status_t KernelInfoFetcher::fetchSepolicyFiles() {
+status_t RuntimeInfoFetcher::fetchSepolicyFiles() {
     // TODO implement this
     return OK;
 }
 
-status_t KernelInfoFetcher::fetchAllInformation() {
+status_t RuntimeInfoFetcher::fetchAllInformation() {
     status_t err;
     if ((err = fetchVersion()) != OK) {
         return err;
@@ -207,31 +207,31 @@
 }
 
 
-const std::string &KernelInfo::osName() const {
+const std::string &RuntimeInfo::osName() const {
     return mOsName;
 }
 
-const std::string &KernelInfo::nodeName() const {
+const std::string &RuntimeInfo::nodeName() const {
     return mNodeName;
 }
 
-const std::string &KernelInfo::osRelease() const {
+const std::string &RuntimeInfo::osRelease() const {
     return mOsRelease;
 }
 
-const std::string &KernelInfo::osVersion() const {
+const std::string &RuntimeInfo::osVersion() const {
     return mOsVersion;
 }
 
-const std::string &KernelInfo::hardwareId() const {
+const std::string &RuntimeInfo::hardwareId() const {
     return mHardwareId;
 }
 
-size_t KernelInfo::kernelSepolicyVersion() const {
+size_t RuntimeInfo::kernelSepolicyVersion() const {
     return mKernelSepolicyVersion;
 }
 
-void KernelInfo::clear() {
+void RuntimeInfo::clear() {
     mKernelConfigs.clear();
     mOsName.clear();
     mNodeName.clear();
@@ -240,7 +240,7 @@
     mHardwareId.clear();
 }
 
-bool KernelInfo::checkCompatibility(const CompatibilityMatrix &mat,
+bool RuntimeInfo::checkCompatibility(const CompatibilityMatrix &mat,
             std::string *error) const {
     if (kernelSepolicyVersion() != mat.getSepolicy().kernelSepolicyVersion()) {
         if (error != nullptr) {
@@ -284,14 +284,14 @@
     return true;
 }
 
-const KernelInfo *KernelInfo::Get() {
-    static KernelInfo ki{};
-    static KernelInfo *kip = nullptr;
+const RuntimeInfo *RuntimeInfo::Get() {
+    static RuntimeInfo ki{};
+    static RuntimeInfo *kip = nullptr;
     static std::mutex mutex{};
 
     std::lock_guard<std::mutex> lock(mutex);
     if (kip == nullptr) {
-        if (KernelInfoFetcher(&ki).fetchAllInformation() == OK) {
+        if (RuntimeInfoFetcher(&ki).fetchAllInformation() == OK) {
             kip = &ki;
         } else {
             ki.clear();
diff --git a/include/vintf/KernelInfo.h b/include/vintf/RuntimeInfo.h
similarity index 92%
rename from include/vintf/KernelInfo.h
rename to include/vintf/RuntimeInfo.h
index 3647ca1..64bbb59 100644
--- a/include/vintf/KernelInfo.h
+++ b/include/vintf/RuntimeInfo.h
@@ -30,14 +30,14 @@
 struct CompatibilityMatrix;
 
 // Kernel Info sent to OTA server
-struct KernelInfo {
+struct RuntimeInfo {
 
-    KernelInfo() {}
+    RuntimeInfo() {}
 
     // Get the object that contains all kernel information. If any error,
     // nullptr is returned.
     // Note: this is not thread-safe.
-    static const KernelInfo *Get();
+    static const RuntimeInfo *Get();
 
     // /proc/version
     // utsname.sysname
@@ -60,9 +60,9 @@
 
 private:
 
-    friend struct KernelInfoFetcher;
+    friend struct RuntimeInfoFetcher;
     friend struct LibVintfTest;
-    friend std::string dump(const KernelInfo &ki);
+    friend std::string dump(const RuntimeInfo &ki);
 
     void clear();
 
diff --git a/include/vintf/parse_string.h b/include/vintf/parse_string.h
index 738097e..3cd5232 100644
--- a/include/vintf/parse_string.h
+++ b/include/vintf/parse_string.h
@@ -22,7 +22,7 @@
 #include <string>
 
 #include "CompatibilityMatrix.h"
-#include "KernelInfo.h"
+#include "RuntimeInfo.h"
 #include "VendorManifest.h"
 
 namespace android {
@@ -77,7 +77,7 @@
 // the XML string.
 std::string dump(const VendorManifest &vm);
 
-std::string dump(const KernelInfo &ki);
+std::string dump(const RuntimeInfo &ki);
 
 } // namespace vintf
 } // namespace android
diff --git a/main.cpp b/main.cpp
index 2dd8633..29d74fc 100644
--- a/main.cpp
+++ b/main.cpp
@@ -17,7 +17,7 @@
 #include <iostream>
 #include <vintf/parse_xml.h>
 #include <vintf/parse_string.h>
-#include <vintf/KernelInfo.h>
+#include <vintf/RuntimeInfo.h>
 #include <vintf/VendorManifest.h>
 
 int main(int, char **) {
@@ -28,7 +28,7 @@
         std::cout << gVendorManifestConverter(*vm);
 
     std::cout << std::endl;
-    const KernelInfo *ki = KernelInfo::Get();
+    const RuntimeInfo *ki = RuntimeInfo::Get();
     if (ki != nullptr)
         std::cout << dump(*ki);
     std::cout << std::endl;
diff --git a/parse_string.cpp b/parse_string.cpp
index b75d576..75d48e2 100644
--- a/parse_string.cpp
+++ b/parse_string.cpp
@@ -360,7 +360,7 @@
     return oss.str();
 }
 
-std::string dump(const KernelInfo &ki) {
+std::string dump(const RuntimeInfo &ki) {
     std::ostringstream oss;
 
     oss << "kernel = "
diff --git a/test/main.cpp b/test/main.cpp
index 911f0b0..cfaa0fc 100644
--- a/test/main.cpp
+++ b/test/main.cpp
@@ -19,7 +19,7 @@
 #include <vintf/parse_string.h>
 #include <vintf/parse_xml.h>
 #include <vintf/CompatibilityMatrix.h>
-#include <vintf/KernelInfo.h>
+#include <vintf/RuntimeInfo.h>
 #include <vintf/VendorManifest.h>
 
 #include <android-base/logging.h>
@@ -75,8 +75,8 @@
 
         return vm;
     }
-    KernelInfo testKernelInfo() {
-        KernelInfo info;
+    RuntimeInfo testRuntimeInfo() {
+        RuntimeInfo info;
         info.mOsName = "Linux";
         info.mNodeName = "localhost";
         info.mOsRelease = "3.18.31-g936f9a479d0f";
@@ -328,8 +328,8 @@
     }
 }
 
-TEST_F(LibVintfTest, KernelInfo) {
-    KernelInfo ki = testKernelInfo();
+TEST_F(LibVintfTest, RuntimeInfo) {
+    RuntimeInfo ki = testRuntimeInfo();
     using KernelConfigs = std::vector<KernelConfig>;
     const KernelConfigs configs {
             KernelConfig{"CONFIG_64BIT", Tristate::YES},