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Merge changes I896af608,I2e2a65bc,I8d9ae8b9,Ibb07666a into nyc-mr1-dev

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* changes:
  ContextHubService: Fix app query
  ContextHubService: Don't double report app loads
  ContextHubService: Make app handle size match Java
  ContextHubService: Update caches on nanoapp unload
This commit is contained in:
Greg Kaiser
2016-08-26 03:29:19 +00:00
committed by Android (Google) Code Review
parent 592552220b 10163d0dd2
commit 6ef2cee605
3 changed files with 80 additions and 49 deletions
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11
core/java/android/hardware/location/ContextHubService.java
View File

@@ -322,9 +322,16 @@ public class ContextHubService extends IContextHubService.Stub {
appInfo.setNeededReadMemBytes(PRE_LOADED_APP_MEM_REQ);
appInfo.setNeededWriteMemBytes(PRE_LOADED_APP_MEM_REQ);
String action;
if (mNanoAppHash.containsKey(appInstanceHandle)) {
action = "Updated";
} else {
action = "Added";
}
mNanoAppHash.put(appInstanceHandle, appInfo);
Log.d(TAG, "Added app instance " + appInstanceHandle + " with id " + appId
+ " version " + appVersion);
Log.d(TAG, action + " app instance " + appInstanceHandle + " with id "
+ appId + " version " + appVersion);
return 0;
}

7
core/java/android/hardware/location/NanoAppInstanceInfo.java
View File

@@ -113,7 +113,12 @@ public class NanoAppInstanceInfo {
}
/**
* Set the application version
* Get the application version
*
* NOTE: There is a race condition where shortly after loading, this
* may return -1 instead of the correct version.
*
* TODO(b/30970527): Fix this race condition.
*
* @return int - version of the app
*/

111
core/jni/android_hardware_location_ContextHubService.cpp
View File

@@ -34,11 +34,11 @@
#include "JNIHelp.h"
#include "core_jni_helpers.h"
static constexpr int OS_APP_ID = -1;
static constexpr jint OS_APP_ID = -1;
static constexpr uint64_t ALL_APPS = UINT64_C(0xFFFFFFFFFFFFFFFF);
static constexpr int MIN_APP_ID = 1;
static constexpr int MAX_APP_ID = 128;
static constexpr jint MIN_APP_ID = 1;
static constexpr jint MAX_APP_ID = 128;
static constexpr size_t MSG_HEADER_SIZE = 4;
static constexpr size_t HEADER_FIELD_MSG_TYPE = 0;
@@ -102,7 +102,7 @@ struct context_hub_info_s {
struct app_instance_info_s {
uint64_t truncName; // Possibly truncated name for logging
uint32_t hubHandle; // Id of the hub this app is on
int instanceId; // system wide unique instance id - assigned
jint instanceId; // system wide unique instance id - assigned
struct hub_app_info appInfo; // returned from the HAL
};
@@ -153,8 +153,8 @@ struct contextHubServiceDb_s {
int initialized;
context_hub_info_s hubInfo;
jniInfo_s jniInfo;
std::queue<int> freeIds;
std::unordered_map<int, app_instance_info_s> appInstances;
std::queue<jint> freeIds;
std::unordered_map<jint, app_instance_info_s> appInstances;
txnManager_s txnManager;
};
@@ -259,16 +259,17 @@ static int get_hub_id_for_hub_handle(int hubHandle) {
}
}
static int get_hub_handle_for_app_instance(int id) {
static int get_hub_handle_for_app_instance(jint id) {
if (!db.appInstances.count(id)) {
ALOGD("%s: Cannot find app for app instance %d", __FUNCTION__, id);
ALOGD("%s: Cannot find app for app instance %" PRId32,
__FUNCTION__, id);
return -1;
}
return db.appInstances[id].hubHandle;
}
static int get_hub_id_for_app_instance(int id) {
static int get_hub_id_for_app_instance(jint id) {
int hubHandle = get_hub_handle_for_app_instance(id);
if (hubHandle < 0) {
@@ -278,7 +279,7 @@ static int get_hub_id_for_app_instance(int id) {
return db.hubInfo.hubs[hubHandle].hub_id;
}
static int get_app_instance_for_app_id(uint64_t app_id) {
static jint get_app_instance_for_app_id(uint64_t app_id) {
auto end = db.appInstances.end();
for (auto current = db.appInstances.begin(); current != end; ++current) {
if (current->second.appInfo.app_name.id == app_id) {
@@ -289,9 +290,10 @@ static int get_app_instance_for_app_id(uint64_t app_id) {
return -1;
}
static int set_dest_app(hub_message_t *msg, int id) {
static int set_dest_app(hub_message_t *msg, jint id) {
if (!db.appInstances.count(id)) {
ALOGD("%s: Cannot find app for app instance %d", __FUNCTION__, id);
ALOGD("%s: Cannot find app for app instance %" PRId32,
__FUNCTION__, id);
return -1;
}
@@ -303,7 +305,7 @@ static void query_hub_for_apps(uint64_t appId, uint32_t hubHandle) {
hub_message_t msg;
query_apps_request_t queryMsg;
queryMsg.app_name.id = NANOAPP_VENDOR_ALL_APPS;
queryMsg.app_name.id = appId;
msg.message_type = CONTEXT_HUB_QUERY_APPS;
msg.message_len = sizeof(queryMsg);
@@ -322,7 +324,7 @@ static void sendQueryForApps(uint64_t appId) {
}
}
static int return_id(int id) {
static int return_id(jint id) {
// Note : This method is not thread safe.
// id returned is guaranteed to be in use
if (id >= 0) {
@@ -333,9 +335,9 @@ static int return_id(int id) {
return -1;
}
static int generate_id() {
static jint generate_id() {
// Note : This method is not thread safe.
int retVal = -1;
jint retVal = -1;
if (!db.freeIds.empty()) {
retVal = db.freeIds.front();
@@ -346,8 +348,8 @@ static int generate_id() {
}
static int add_app_instance(const hub_app_info *appInfo, uint32_t hubHandle,
int appInstanceHandle, JNIEnv *env) {
static jint add_app_instance(const hub_app_info *appInfo, uint32_t hubHandle,
jint appInstanceHandle, JNIEnv *env) {
ALOGI("Loading App");
@@ -355,10 +357,12 @@ static int add_app_instance(const hub_app_info *appInfo, uint32_t hubHandle,
app_instance_info_s entry;
assert(appInfo);
const char *action = "Updated";
if (db.appInstances.count(appInstanceHandle) == 0) {
action = "Added";
appInstanceHandle = generate_id();
if (appInstanceHandle < 0) {
ALOGE("Cannot find resources to add app instance %d",
ALOGE("Cannot find resources to add app instance %" PRId32,
appInstanceHandle);
return -1;
}
@@ -378,36 +382,42 @@ static int add_app_instance(const hub_app_info *appInfo, uint32_t hubHandle,
hubHandle, entry.instanceId, entry.truncName,
entry.appInfo.version);
ALOGW("Added App 0x%" PRIx64 " on hub Handle %" PRId32
" as appInstance %d", entry.truncName,
ALOGW("%s App 0x%" PRIx64 " on hub Handle %" PRId32
" as appInstance %" PRId32, action, entry.truncName,
entry.hubHandle, appInstanceHandle);
return appInstanceHandle;
}
int delete_app_instance(int id, JNIEnv *env) {
if (!db.appInstances.count(id)) {
ALOGW("Cannot find App id : %d", id);
return -1;
}
int delete_app_instance(jint id, JNIEnv *env) {
bool fullyDeleted = true;
if (db.appInstances.count(id)) {
db.appInstances.erase(id);
} else {
ALOGW("Cannot delete App id (%" PRId32 ") from the JNI C++ cache", id);
fullyDeleted = false;
}
return_id(id);
db.appInstances.erase(id);
if (env->CallIntMethod(db.jniInfo.jContextHubService,
if ((env == nullptr) ||
(env->CallIntMethod(db.jniInfo.jContextHubService,
db.jniInfo.contextHubServiceDeleteAppInstance,
id) != 0) {
ALOGW("Could not delete App id : %d", id);
return -1;
id) != 0)) {
ALOGW("Cannot delete App id (%" PRId32 ") from Java cache", id);
fullyDeleted = false;
}
ALOGI("Deleted App id : %d", id);
return 0;
if (fullyDeleted) {
ALOGI("Deleted App id : %" PRId32, id);
return 0;
}
return -1;
}
static int startLoadAppTxn(uint64_t appId, int hubHandle) {
app_instance_info_s *txnInfo = (app_instance_info_s *)malloc(sizeof(app_instance_info_s));
int instanceId = generate_id();
jint instanceId = generate_id();
if (!txnInfo || instanceId < 0) {
return_id(instanceId);
@@ -432,8 +442,8 @@ static int startLoadAppTxn(uint64_t appId, int hubHandle) {
return 0;
}
static int startUnloadAppTxn(uint32_t appInstanceHandle) {
uint32_t *txnData = (uint32_t *) malloc(sizeof(uint32_t));
static int startUnloadAppTxn(jint appInstanceHandle) {
jint *txnData = (jint *) malloc(sizeof(jint));
if (!txnData) {
ALOGW("Cannot allocate memory to start unload transaction");
return -1;
@@ -454,7 +464,6 @@ static void initContextHubService() {
int err = 0;
db.hubInfo.hubs = nullptr;
db.hubInfo.numHubs = 0;
int i;
err = hw_get_module(CONTEXT_HUB_MODULE_ID,
(hw_module_t const**)(&db.hubInfo.contextHubModule));
@@ -465,7 +474,7 @@ static void initContextHubService() {
}
// Prep for storing app info
for(i = MIN_APP_ID; i <= MAX_APP_ID; i++) {
for (jint i = MIN_APP_ID; i <= MAX_APP_ID; i++) {
db.freeIds.push(i);
}
@@ -485,7 +494,7 @@ static void initContextHubService() {
return;
}
for (i = 0; i < db.hubInfo.numHubs; i++) {
for (int i = 0; i < db.hubInfo.numHubs; i++) {
db.hubInfo.cookies[i] = db.hubInfo.hubs[i].hub_id;
ALOGI("Subscribing to hubHandle %d with OS App name %" PRIu64, i, db.hubInfo.hubs[i].os_app_name.id);
if (db.hubInfo.contextHubModule->subscribe_messages(db.hubInfo.hubs[i].hub_id,
@@ -547,13 +556,15 @@ int handle_query_apps_response(const uint8_t *msg, int msgLen,
memcpy(&info, unalignedInfoAddr, sizeof(info));
// We will only have one instance of the app
// TODO : Change this logic once we support multiple instances of the same app
int appInstance = get_app_instance_for_app_id(info.app_name.id);
jint appInstance = get_app_instance_for_app_id(info.app_name.id);
add_app_instance(&info, hubHandle, appInstance, env);
}
return 0;
}
// TODO(b/30807327): Do not use raw bytes for additional data. Use the
// JNI interfaces for the appropriate types.
static void passOnOsResponse(uint32_t hubHandle, uint32_t msgType,
status_response_t *rsp, int8_t *additionalData,
size_t additionalDataLen) {
@@ -613,7 +624,13 @@ void closeUnloadTxn(bool success) {
if (success && fetchTxnData(&txnId, &txnData) == 0 &&
txnId == CONTEXT_HUB_UNLOAD_APP) {
db.appInstances.erase(*(uint32_t *)txnData);
JNIEnv *env;
if ((db.jniInfo.vm)->AttachCurrentThread(&env, nullptr) != JNI_OK) {
ALOGW("Could not attach to JVM !");
env = nullptr;
}
jint handle = *reinterpret_cast<jint *>(txnData);
delete_app_instance(handle, env);
} else {
ALOGW("Could not unload the app successfully ! success %d, txnData %p", success, txnData);
}
@@ -621,7 +638,7 @@ void closeUnloadTxn(bool success) {
closeTxn();
}
void closeLoadTxn(bool success, int *appInstanceHandle) {
void closeLoadTxn(bool success, jint *appInstanceHandle) {
void *txnData;
hub_messages_e txnId;
@@ -668,6 +685,7 @@ static void invalidateNanoApps(uint32_t hubHandle) {
if ((db.jniInfo.vm)->AttachCurrentThread(&env, nullptr) != JNI_OK) {
ALOGW("Could not attach to JVM !");
env = nullptr;
}
auto end = db.appInstances.end();
@@ -697,7 +715,7 @@ static int handle_os_message(uint32_t msgType, uint32_t hubHandle,
case CONTEXT_HUB_UNLOAD_APP:
if (isValidOsStatus(msg, msgLen, &rsp)) {
if (msgType == CONTEXT_HUB_LOAD_APP) {
int appInstanceHandle;
jint appInstanceHandle;
closeLoadTxn(rsp.result == 0, &appInstanceHandle);
passOnOsResponse(hubHandle, msgType, &rsp, (int8_t *)(&appInstanceHandle),
sizeof(appInstanceHandle));
@@ -778,7 +796,7 @@ int context_hub_callback(uint32_t hubId,
if (messageType < CONTEXT_HUB_TYPE_PRIVATE_MSG_BASE) {
handle_os_message(messageType, hubHandle, (uint8_t*) msg->message, msg->message_len);
} else {
int appHandle = get_app_instance_for_app_id(msg->app_name.id);
jint appHandle = get_app_instance_for_app_id(msg->app_name.id);
if (appHandle < 0) {
ALOGE("Filtering out message due to invalid App Instance.");
} else {
@@ -1051,7 +1069,8 @@ static jint nativeSendMessage(JNIEnv *env, jobject instance, jintArray header_,
ALOGD("Asking HAL to remove app");
retVal = db.hubInfo.contextHubModule->send_message(hubId, &msg);
} else {
ALOGD("Could not find app instance %d on hubHandle %d, setAddress %d",
ALOGD("Could not find app instance %" PRId32 " on hubHandle %" PRId32
", setAddress %d",
header[HEADER_FIELD_APP_INSTANCE],
header[HEADER_FIELD_HUB_HANDLE],
(int)setAddressSuccess);