/*
* Copyright (C) 2016 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#define LOG_TAG "NanohubHAL"
#include "file.h"
#include <json/json.h>
#include <cassert>
#include <cerrno>
#include <cinttypes>
#include <string>
#include <endian.h>
#include <vector>
#include <log/log.h>
#include <endian.h>
#include <sys/stat.h>
#include <media/stagefright/foundation/ADebug.h>
#include <hardware/context_hub.h>
#include "nanohub_perdevice.h"
#include "system_comms.h"
#include "nanohubhal.h"
#define CHRE_APP_DIR "/data/vendor/sensor/chre"
#define CHRE_APP_DIR_PERMS (S_IRUSR | S_IWUSR | S_IXUSR)
#define CHRE_APP_FILE_PERMS (S_IRUSR | S_IWUSR)
#define CHRE_APP_SETTINGS CHRE_APP_DIR "/apps.json"
namespace android {
namespace nanohub {
static void readAppName(MessageBuf &buf, hub_app_name_t &name)
{
name.id = buf.readU64();
}
static void writeAppName(MessageBuf &buf, const hub_app_name_t &name)
{
buf.writeU64(name.id);
}
static void readNanohubMemInfo(MessageBuf &buf, NanohubMemInfo &mi)
{
uint8_t type, len;
uint32_t ramFree = NANOHUB_MEM_SZ_UNKNOWN;
uint32_t eeFree = NANOHUB_MEM_SZ_UNKNOWN;
uint32_t sharedFree = NANOHUB_MEM_SZ_UNKNOWN;
uint32_t osFree = NANOHUB_MEM_SZ_UNKNOWN;
mi.flashSz = NANOHUB_MEM_SZ_UNKNOWN;
mi.blSz = NANOHUB_MEM_SZ_UNKNOWN;
mi.osSz = NANOHUB_MEM_SZ_UNKNOWN;
mi.sharedSz = NANOHUB_MEM_SZ_UNKNOWN;
mi.eeSz = NANOHUB_MEM_SZ_UNKNOWN;
mi.ramSz = NANOHUB_MEM_SZ_UNKNOWN;
mi.blUse = NANOHUB_MEM_SZ_UNKNOWN;
mi.osUse = NANOHUB_MEM_SZ_UNKNOWN;
mi.sharedUse = NANOHUB_MEM_SZ_UNKNOWN;
mi.eeUse = NANOHUB_MEM_SZ_UNKNOWN;
mi.ramUse = NANOHUB_MEM_SZ_UNKNOWN;
while (buf.getRoom() >= 2) {
type = buf.readU8();
len = buf.readU8();
if (buf.getRoom() >= len) {
switch(type) {
case NANOHUB_HAL_SYS_INFO_HEAP_FREE:
if (len == sizeof(ramFree))
ramFree = buf.readU32();
else
buf.readRaw(len);
break;
case NANOHUB_HAL_SYS_INFO_RAM_SIZE:
if (len == sizeof(mi.ramSz))
mi.ramSz = buf.readU32();
else
buf.readRaw(len);
break;
case NANOHUB_HAL_SYS_INFO_EEDATA_SIZE:
if (len == sizeof(mi.ramSz))
mi.eeSz = buf.readU32();
else
buf.readRaw(len);
break;
case NANOHUB_HAL_SYS_INFO_EEDATA_FREE:
if (len == sizeof(eeFree))
eeFree = buf.readU32();
else
buf.readRaw(len);
break;
case NANOHUB_HAL_SYS_INFO_CODE_SIZE:
if (len == sizeof(mi.osSz))
mi.osSz = buf.readU32();
else
buf.readRaw(len);
break;
case NANOHUB_HAL_SYS_INFO_CODE_FREE:
if (len == sizeof(osFree))
osFree = buf.readU32();
else
buf.readRaw(len);
break;
case NANOHUB_HAL_SYS_INFO_SHARED_SIZE:
if (len == sizeof(mi.sharedSz))
mi.sharedSz = buf.readU32();
else
buf.readRaw(len);
break;
case NANOHUB_HAL_SYS_INFO_SHARED_FREE:
if (len == sizeof(sharedFree))
sharedFree = buf.readU32();
else
buf.readRaw(len);
break;
case NANOHUB_HAL_SYS_INFO_END:
if (len != 0 || buf.getRoom() != 0) {
ALOGE("%s: failed to read object", __func__);
return;
}
break;
default:
ALOGI("%s: unsupported type: %d", __func__, type);
buf.readRaw(len);
break;
}
} else {
ALOGE("%s: failed to read object", __func__);
return;
}
}
if (buf.getRoom() != 0) {
ALOGE("%s: failed to read object", __func__);
return;
}
if (mi.ramSz != NANOHUB_MEM_SZ_UNKNOWN && ramFree != NANOHUB_MEM_SZ_UNKNOWN)
mi.ramUse = mi.ramSz - ramFree;
if (mi.eeSz != NANOHUB_MEM_SZ_UNKNOWN && eeFree != NANOHUB_MEM_SZ_UNKNOWN)
mi.eeUse = mi.eeSz - eeFree;
if (mi.osSz != NANOHUB_MEM_SZ_UNKNOWN && osFree != NANOHUB_MEM_SZ_UNKNOWN)
mi.osUse = mi.osSz - osFree;
if (mi.sharedSz != NANOHUB_MEM_SZ_UNKNOWN && sharedFree != NANOHUB_MEM_SZ_UNKNOWN)
mi.sharedUse = mi.sharedSz - sharedFree;
}
NanohubRsp::NanohubRsp(MessageBuf &buf, uint32_t transactionId, bool chre)
{
// all responses start with command and have a 4-byte status (result code)
buf.reset();
if (buf.getSize() < 5) {
mStatus = -EINVAL;
} else {
mCmd = buf.readU8();
mStatus = buf.readU32();
if (chre)
mTransactionId = transactionId;
else
mTransactionId = 0;
}
}
int SystemComm::sendToSystem(const void *data, size_t len, uint32_t transactionId)
{
if (NanoHub::messageTracingEnabled()) {
dumpBuffer("HAL -> SYS", getSystem()->mHostIfAppName, transactionId, 0, data, len);
}
return NanoHub::sendToDevice(&getSystem()->mHostIfAppName, data, len, transactionId);
}
inline hub_app_name_t deviceAppNameToHost(const hub_app_name_t src)
{
hub_app_name_t res = { .id = le64toh(src.id) };
return res;
}
inline hub_app_name_t hostAppNameToDevice(const hub_app_name_t src)
{
hub_app_name_t res = { .id = htole64(src.id) };
return res;
}
const uint8_t app_info_tags[] =
{
NANOHUB_HAL_APP_INFO_APPID,
NANOHUB_HAL_APP_INFO_CRC,
NANOHUB_HAL_APP_INFO_TID,
NANOHUB_HAL_APP_INFO_VERSION,
NANOHUB_HAL_APP_INFO_ADDR,
NANOHUB_HAL_APP_INFO_SIZE,
NANOHUB_HAL_APP_INFO_HEAP,
NANOHUB_HAL_APP_INFO_DATA,
NANOHUB_HAL_APP_INFO_BSS,
NANOHUB_HAL_APP_INFO_CHRE_MAJOR,
NANOHUB_HAL_APP_INFO_CHRE_MINOR,
NANOHUB_HAL_APP_INFO_END,
};
const uint8_t sys_info_tags[] =
{
NANOHUB_HAL_SYS_INFO_HEAP_FREE,
NANOHUB_HAL_SYS_INFO_RAM_SIZE,
NANOHUB_HAL_SYS_INFO_EEDATA_SIZE,
NANOHUB_HAL_SYS_INFO_EEDATA_FREE,
NANOHUB_HAL_SYS_INFO_CODE_SIZE,
NANOHUB_HAL_SYS_INFO_CODE_FREE,
NANOHUB_HAL_SYS_INFO_SHARED_SIZE,
NANOHUB_HAL_SYS_INFO_SHARED_FREE,
NANOHUB_HAL_SYS_INFO_END,
};
int SystemComm::MemInfoSession::setup(const hub_message_t *, uint32_t transactionId, AppManager &)
{
std::lock_guard<std::mutex> _l(mLock);
char data[MAX_RX_PACKET];
MessageBuf buf(data, sizeof(data));
buf.writeU8(NANOHUB_HAL_SYS_INFO);
buf.writeRaw(sys_info_tags, sizeof(sys_info_tags));
setState(SESSION_USER);
return sendToSystem(buf.getData(), buf.getPos(), transactionId);
}
int SystemComm::MemInfoSession::handleRx(MessageBuf &buf, uint32_t transactionId, AppManager &, bool chre)
{
std::lock_guard<std::mutex> _l(mLock);
NanohubRsp rsp(buf, transactionId, chre);
if (rsp.mCmd != NANOHUB_HAL_SYS_INFO)
return 1;
size_t len = buf.getRoom();
if (getState() != SESSION_USER) {
ALOGE("%s: Invalid state; have %d, need %d", __func__, getState(), SESSION_USER);
return -EINVAL;
}
std::vector<mem_range_t> ranges;
ranges.reserve(4);
if (len) {
NanohubMemInfo mi;
readNanohubMemInfo(buf, mi);
//if each is valid, copy to output area
if (mi.sharedSz != NANOHUB_MEM_SZ_UNKNOWN &&
mi.sharedUse != NANOHUB_MEM_SZ_UNKNOWN)
ranges.push_back({
.type = HUB_MEM_TYPE_MAIN,
.total_bytes = mi.sharedSz,
.free_bytes = mi.sharedSz - mi.sharedUse,
});
if (mi.osSz != NANOHUB_MEM_SZ_UNKNOWN &&
mi.osUse != NANOHUB_MEM_SZ_UNKNOWN)
ranges.push_back({
.type = HUB_MEM_TYPE_OS,
.total_bytes = mi.osSz,
.free_bytes = mi.osSz - mi.osUse,
});
if (mi.eeSz != NANOHUB_MEM_SZ_UNKNOWN &&
mi.eeUse != NANOHUB_MEM_SZ_UNKNOWN)
ranges.push_back({
.type = HUB_MEM_TYPE_EEDATA,
.total_bytes = mi.eeSz,
.free_bytes = mi.eeSz - mi.eeUse,
});
if (mi.ramSz != NANOHUB_MEM_SZ_UNKNOWN &&
mi.ramUse != NANOHUB_MEM_SZ_UNKNOWN)
ranges.push_back({
.type = HUB_MEM_TYPE_RAM,
.total_bytes = mi.ramSz,
.free_bytes = mi.ramSz - mi.ramUse,
});
}
//send it out
sendToApp(CONTEXT_HUB_QUERY_MEMORY, transactionId,
static_cast<const void *>(ranges.data()),
ranges.size() * sizeof(ranges[0]));
complete();
return 0;
}
int SystemComm::AppMgmtSession::setup(const hub_message_t *appMsg, uint32_t transactionId, AppManager &appManager)
{
std::lock_guard<std::mutex> _l(mLock);
char data[MAX_RX_PACKET];
MessageBuf buf(data, sizeof(data));
const uint8_t *msgData = static_cast<const uint8_t*>(appMsg->message);
mCmd = appMsg->message_type;
mLen = appMsg->message_len;
mPos = 0;
mNextPos = 0;
mErrCnt = 0;
switch (mCmd) {
case CONTEXT_HUB_APPS_ENABLE:
return setupMgmt(appMsg, transactionId, NANOHUB_HAL_APP_MGMT_START, appManager);
case CONTEXT_HUB_APPS_DISABLE:
return setupMgmt(appMsg, transactionId, NANOHUB_HAL_APP_MGMT_STOP, appManager);
case CONTEXT_HUB_UNLOAD_APP:
return setupMgmt(appMsg, transactionId, NANOHUB_HAL_APP_MGMT_UNLOAD, appManager);
case CONTEXT_HUB_LOAD_APP:
{
const load_app_request_t *appReq = static_cast<const load_app_request_t*>(appMsg->message);
if (appReq == nullptr || mLen <= sizeof(*appReq)) {
ALOGE("%s: Invalid app header: too short\n", __func__);
return -EINVAL;
}
mAppName = appReq->app_binary.app_id;
if (!appManager.isAppLoaded(mAppName)) {
appManager.addNewApp(mAppName, appReq->app_binary.app_version);
appManager.writeApp(mAppName, msgData, mLen);
mData.clear();
mData = std::vector<uint8_t>(msgData, msgData + mLen);
setState(TRANSFER);
buf.writeU8(NANOHUB_HAL_START_UPLOAD);
buf.writeU8(0);
buf.writeU32(mLen);
return sendToSystem(buf.getData(), buf.getPos(), transactionId);
} else {
if (appManager.cmpApp(mAppName, msgData, mLen)) {
mFlashAddr = appManager.getFlashAddr(mAppName);
if (appManager.isAppRunning(mAppName)) {
setState(STOP_RUN);
buf.writeU8(NANOHUB_HAL_APP_MGMT);
writeAppName(buf, mAppName);
buf.writeU8(NANOHUB_HAL_APP_MGMT_STOP);
return sendToSystem(buf.getData(), buf.getPos(), transactionId);
} else {
setState(RUN);
buf.writeU8(NANOHUB_HAL_APP_MGMT);
writeAppName(buf, mAppName);
buf.writeU8(NANOHUB_HAL_APP_MGMT_START);
return sendToSystem(buf.getData(), buf.getPos(), transactionId);
}
} else {
appManager.setCachedVersion(mAppName, appReq->app_binary.app_version);
appManager.writeApp(mAppName, msgData, mLen);
mData.clear();
mData = std::vector<uint8_t>(msgData, msgData + mLen);
if (appManager.isAppRunning(mAppName)) {
setState(STOP_TRANSFER);
buf.writeU8(NANOHUB_HAL_APP_MGMT);
writeAppName(buf, mAppName);
buf.writeU8(NANOHUB_HAL_APP_MGMT_STOP);
return sendToSystem(buf.getData(), buf.getPos(), transactionId);
} else {
setState(TRANSFER);
buf.writeU8(NANOHUB_HAL_START_UPLOAD);
buf.writeU8(0);
buf.writeU32(mLen);
return sendToSystem(buf.getData(), buf.getPos(), transactionId);
}
}
}
}
case CONTEXT_HUB_OS_REBOOT:
setState(REBOOT);
buf.writeU8(NANOHUB_HAL_SYS_MGMT);
buf.writeU8(NANOHUB_HAL_SYS_MGMT_REBOOT);
return sendToSystem(buf.getData(), buf.getPos(), transactionId);
case CONTEXT_HUB_START_APPS:
if (mLen == sizeof(mStatus))
memcpy(&mStatus, msgData, mLen);
appManager.eraseApps();
setState(QUERY_START);
buf.writeU8(NANOHUB_HAL_APP_INFO);
buf.writeU32(0);
buf.writeRaw(app_info_tags, sizeof(app_info_tags));
return sendToSystem(buf.getData(), buf.getPos(), transactionId);
}
return -EINVAL;
}
int SystemComm::AppMgmtSession::setupMgmt(const hub_message_t *appMsg, uint32_t transactionId, uint32_t cmd, AppManager &appManager)
{
int32_t result = 0;
const hub_app_name_t &appName = *static_cast<const hub_app_name_t*>(appMsg->message);
if (appMsg->message_len != sizeof(appName)) {
return -EINVAL;
}
mAppName = appName;
switch (cmd) {
case NANOHUB_HAL_APP_MGMT_START:
if (appManager.isAppRunning(mAppName)) {
appManager.setCachedStart(mAppName, true);
sendToApp(mCmd, transactionId, &result, sizeof(result));
complete();
return 0;
}
break;
case NANOHUB_HAL_APP_MGMT_STOP:
case NANOHUB_HAL_APP_MGMT_UNLOAD:
appManager.setCachedStart(mAppName, false);
if (!appManager.isAppRunning(mAppName)) {
sendToApp(mCmd, transactionId, &result, sizeof(result));
complete();
return 0;
}
break;
}
char data[MAX_RX_PACKET];
MessageBuf buf(data, sizeof(data));
buf.writeU8(NANOHUB_HAL_APP_MGMT);
writeAppName(buf, appName);
buf.writeU8(cmd);
setState(MGMT);
return sendToSystem(buf.getData(), buf.getPos(), transactionId);
}
int SystemComm::AppMgmtSession::handleRx(MessageBuf &buf, uint32_t transactionId, AppManager &appManager, bool chre)
{
int ret = 0;
std::lock_guard<std::mutex> _l(mLock);
NanohubRsp rsp(buf, transactionId, chre);
switch (getState()) {
case TRANSFER:
ret = handleTransfer(rsp, buf, appManager);
break;
case STOP_TRANSFER:
ret = handleStopTransfer(rsp, buf, appManager);
break;
case QUERY_START:
ret = handleQueryStart(rsp, buf, appManager);
break;
case START:
ret = handleStart(rsp, buf, appManager);
break;
case FINISH:
ret = handleFinish(rsp, buf, appManager);
break;
case RUN:
ret = handleRun(rsp, buf, appManager);
break;
case STOP_RUN:
ret = handleStopRun(rsp, buf, appManager);
break;
case REBOOT:
ret = handleReboot(rsp, buf, appManager);
break;
case ERASE_TRANSFER:
ret = handleEraseTransfer(rsp, buf, appManager);
break;
case MGMT:
ret = handleMgmt(rsp, buf, appManager);
break;
case INFO:
ret = handleInfo(rsp, buf, appManager);
break;
}
return ret;
}
int SystemComm::AppMgmtSession::handleTransfer(NanohubRsp &rsp, MessageBuf &, AppManager &appManager)
{
if (rsp.mCmd != NANOHUB_HAL_CONT_UPLOAD && rsp.mCmd != NANOHUB_HAL_START_UPLOAD)
return 1;
char data[MAX_RX_PACKET];
MessageBuf buf(data, sizeof(data));
int32_t result = 0;
static_assert(NANOHUB_UPLOAD_CHUNK_SZ_MAX <= (MAX_RX_PACKET-5),
"Invalid chunk size");
if (rsp.mStatus == NANOHUB_HAL_UPLOAD_ACCEPTED) {
mPos = mNextPos;
mErrCnt = 0;
} else if (rsp.mStatus == NANOHUB_HAL_UPLOAD_RESEND) {
mErrCnt ++;
} else if (rsp.mStatus == NANOHUB_HAL_UPLOAD_RESTART) {
mPos = 0;
mErrCnt ++;
} else if (rsp.mStatus == NANOHUB_HAL_UPLOAD_CANCEL ||
rsp.mStatus == NANOHUB_HAL_UPLOAD_CANCEL_NO_RETRY) {
mPos = mLen;
result = NANOHUB_APP_NOT_LOADED;
} else if (rsp.mStatus == NANOHUB_HAL_UPLOAD_NO_SPACE) {
mPos = 0;
mErrCnt = 0;
setState(ERASE_TRANSFER);
buf.writeU8(NANOHUB_HAL_SYS_MGMT);
buf.writeU8(NANOHUB_HAL_SYS_MGMT_ERASE);
return sendToSystem(buf.getData(), buf.getPos(), rsp.mTransactionId);
} else if (mErrCnt > 5) {
mPos = mLen;
result = NANOHUB_APP_NOT_LOADED;
} else {
mErrCnt ++;
}
if (result != 0) {
appManager.clearCachedApp(mAppName);
sendToApp(mCmd, rsp.mTransactionId, &result, sizeof(result));
complete();
return 0;
} else if (mPos < mLen) {
uint32_t chunkSize = mLen - mPos;
if (chunkSize > NANOHUB_UPLOAD_CHUNK_SZ_MAX) {
chunkSize = NANOHUB_UPLOAD_CHUNK_SZ_MAX;
}
buf.writeU8(NANOHUB_HAL_CONT_UPLOAD);
buf.writeU32(mPos);
buf.writeRaw(&mData[mPos], chunkSize);
mNextPos = mPos + chunkSize;
} else {
buf.writeU8(NANOHUB_HAL_FINISH_UPLOAD);
setState(FINISH);
}
return sendToSystem(buf.getData(), buf.getPos(), rsp.mTransactionId);
}
int SystemComm::AppMgmtSession::handleStopTransfer(NanohubRsp &rsp, MessageBuf &buf, AppManager &)
{
if (rsp.mCmd != NANOHUB_HAL_APP_MGMT)
return 1;
uint8_t cmd = buf.readU8();
if (cmd != NANOHUB_HAL_APP_MGMT_STOP)
return 1;
MgmtStatus sts = { .value = buf.readU32() };
ALOGI("Nanohub NEW APP STOP: %08" PRIX32 "\n", sts.value);
if (rsp.mStatus == 0) {
char data[MAX_RX_PACKET];
MessageBuf buf(data, sizeof(data));
setState(TRANSFER);
buf.writeU8(NANOHUB_HAL_START_UPLOAD);
buf.writeU8(0);
buf.writeU32(mLen);
return sendToSystem(buf.getData(), buf.getPos(), rsp.mTransactionId);
} else {
int32_t result = NANOHUB_APP_NOT_LOADED;
sendToApp(mCmd, rsp.mTransactionId, &result, sizeof(result));
complete();
return 0;
}
}
int SystemComm::AppMgmtSession::handleQueryStart(NanohubRsp &rsp, MessageBuf &buf, AppManager &appManager)
{
if (rsp.mCmd != NANOHUB_HAL_APP_INFO)
return 1;
size_t len = buf.getRoom();
if (len) {
uint32_t nextAddr = appManager.readNanohubAppInfo(buf);
if (nextAddr) {
char data[MAX_RX_PACKET];
MessageBuf buf(data, sizeof(data));
buf.writeU8(NANOHUB_HAL_APP_INFO);
buf.writeU32(nextAddr);
buf.writeRaw(app_info_tags, sizeof(app_info_tags));
return sendToSystem(buf.getData(), buf.getPos(), rsp.mTransactionId);
}
}
appManager.getAppsToStart(mAppList);
if (mAppList.empty()) {
sendToApp(CONTEXT_HUB_OS_REBOOT, 0, &mStatus, sizeof(mStatus));
complete();
return 0;
} else {
char data[MAX_RX_PACKET];
MessageBuf buf(data, sizeof(data));
mAppName = mAppList.back();
mAppList.pop_back();
setState(START);
buf.writeU8(NANOHUB_HAL_APP_MGMT);
writeAppName(buf, mAppName);
buf.writeU8(NANOHUB_HAL_APP_MGMT_START);
return sendToSystem(buf.getData(), buf.getPos(), rsp.mTransactionId);
}
}
int SystemComm::AppMgmtSession::handleStart(NanohubRsp &rsp, MessageBuf &buf, AppManager &)
{
if (rsp.mCmd != NANOHUB_HAL_APP_MGMT)
return 1;
uint8_t cmd = buf.readU8();
if (cmd != NANOHUB_HAL_APP_MGMT_START)
return 1;
MgmtStatus sts = { .value = buf.readU32() };
ALOGI("Nanohub EXISTING APP START: %08" PRIX32 "\n", sts.value);
if (mAppList.empty()) {
sendToApp(CONTEXT_HUB_OS_REBOOT, 0, &mStatus, sizeof(mStatus));
complete();
return 0;
} else {
char data[MAX_RX_PACKET];
MessageBuf buf(data, sizeof(data));
mAppName = mAppList.back();
mAppList.pop_back();
buf.writeU8(NANOHUB_HAL_APP_MGMT);
writeAppName(buf, mAppName);
buf.writeU8(NANOHUB_HAL_APP_MGMT_START);
return sendToSystem(buf.getData(), buf.getPos(), rsp.mTransactionId);
}
}
int SystemComm::AppMgmtSession::handleFinish(NanohubRsp &rsp, MessageBuf &buf, AppManager &appManager)
{
if (rsp.mCmd != NANOHUB_HAL_FINISH_UPLOAD)
return 1;
mFlashAddr = buf.readU32();
uint32_t crc = buf.readU32();
mData.clear();
if (rsp.mStatus == 0) {
appManager.setCachedCrc(mAppName, crc);
char data[MAX_RX_PACKET];
MessageBuf buf(data, sizeof(data));
setState(RUN);
buf.writeU8(NANOHUB_HAL_APP_MGMT);
writeAppName(buf, mAppName);
buf.writeU8(NANOHUB_HAL_APP_MGMT_START);
return sendToSystem(buf.getData(), buf.getPos(), rsp.mTransactionId);
} else {
int32_t result = NANOHUB_APP_NOT_LOADED;
appManager.clearCachedApp(mAppName);
sendToApp(mCmd, rsp.mTransactionId, &result, sizeof(result));
complete();
return 0;
}
}
int SystemComm::AppMgmtSession::handleRun(NanohubRsp &rsp, MessageBuf &buf, AppManager &appManager)
{
if (rsp.mCmd != NANOHUB_HAL_APP_MGMT)
return 1;
uint8_t cmd = buf.readU8();
if (cmd != NANOHUB_HAL_APP_MGMT_START)
return 1;
MgmtStatus sts = { .value = buf.readU32() };
ALOGI("Nanohub NEW APP START: %08" PRIX32 "\n", sts.value);
if (rsp.mStatus == 0) {
appManager.setCachedStart(mAppName, true);
char data[MAX_RX_PACKET];
MessageBuf buf(data, sizeof(data));
setState(INFO);
buf.writeU8(NANOHUB_HAL_APP_INFO);
buf.writeU32(mFlashAddr);
buf.writeRaw(app_info_tags, sizeof(app_info_tags));
return sendToSystem(buf.getData(), buf.getPos(), rsp.mTransactionId);
} else {
appManager.setCachedStart(mAppName, false);
int32_t result = NANOHUB_APP_NOT_LOADED;
sendToApp(mCmd, rsp.mTransactionId, &result, sizeof(result));
complete();
return 0;
}
}
int SystemComm::AppMgmtSession::handleInfo(NanohubRsp &rsp, MessageBuf &buf, AppManager &appManager)
{
if (rsp.mCmd != NANOHUB_HAL_APP_INFO)
return 1;
int32_t result = 0;
size_t len = buf.getRoom();
if (len) {
appManager.readNanohubAppInfo(buf);
appManager.saveApps();
}
sendToApp(mCmd, rsp.mTransactionId, &result, sizeof(result));
complete();
return 0;
}
int SystemComm::AppMgmtSession::handleStopRun(NanohubRsp &rsp, MessageBuf &buf, AppManager &)
{
if (rsp.mCmd != NANOHUB_HAL_APP_MGMT)
return 1;
uint8_t cmd = buf.readU8();
if (cmd != NANOHUB_HAL_APP_MGMT_STOP)
return 1;
MgmtStatus sts = { .value = buf.readU32() };
ALOGI("Nanohub NEW APP STOP: %08" PRIX32 "\n", sts.value);
if (rsp.mStatus == 0) {
char data[MAX_RX_PACKET];
MessageBuf buf(data, sizeof(data));
setState(RUN);
buf.writeU8(NANOHUB_HAL_APP_MGMT);
writeAppName(buf, mAppName);
buf.writeU8(NANOHUB_HAL_APP_MGMT_START);
return sendToSystem(buf.getData(), buf.getPos(), rsp.mTransactionId);
} else {
int32_t result = NANOHUB_APP_NOT_LOADED;
sendToApp(mCmd, rsp.mTransactionId, &result, sizeof(result));
complete();
return 0;
}
}
/* reboot notification, when triggered by App request */
int SystemComm::AppMgmtSession::handleReboot(NanohubRsp &rsp, MessageBuf &buf, AppManager &)
{
if (rsp.mCmd != NANOHUB_HAL_SYS_MGMT)
return 1;
uint8_t cmd = buf.readU8();
if (cmd == NANOHUB_HAL_SYS_MGMT_REBOOT)
ALOGI("Nanohub reboot status [USER REQ]: %08" PRIX32 "\n", rsp.mStatus);
// reboot notification is sent by SessionManager
complete();
return 0;
}
int SystemComm::AppMgmtSession::handleEraseTransfer(NanohubRsp &rsp, MessageBuf &buf, AppManager &appManager)
{
if (rsp.mCmd != NANOHUB_HAL_SYS_MGMT)
return 1;
uint8_t cmd = buf.readU8();
if (cmd == NANOHUB_HAL_SYS_MGMT_ERASE && rsp.mStatus == 0) {
char data[MAX_RX_PACKET];
MessageBuf buf(data, sizeof(data));
appManager.eraseApps();
setState(TRANSFER);
buf.writeU8(NANOHUB_HAL_START_UPLOAD);
buf.writeU8(0);
buf.writeU32(mLen);
return sendToSystem(buf.getData(), buf.getPos(), rsp.mTransactionId);
} else {
int32_t result = NANOHUB_APP_NOT_LOADED;
sendToApp(mCmd, rsp.mTransactionId, &result, sizeof(result));
complete();
return 0;
}
}
int SystemComm::AppMgmtSession::handleMgmt(NanohubRsp &rsp, MessageBuf &buf, AppManager &appManager)
{
if (rsp.mCmd != NANOHUB_HAL_APP_MGMT)
return 1;
uint8_t cmd = buf.readU8();
MgmtStatus sts = { .value = buf.readU32() };
bool valid = false;
int32_t result = rsp.mStatus;
if (result != 0)
result = -1;
switch (cmd) {
case NANOHUB_HAL_APP_MGMT_STOP:
valid = mCmd == CONTEXT_HUB_APPS_DISABLE;
if (valid && rsp.mStatus == 0)
appManager.clearRunning(mAppName);
break;
case NANOHUB_HAL_APP_MGMT_START:
valid = mCmd == CONTEXT_HUB_APPS_ENABLE;
if (valid && rsp.mStatus == 0) {
appManager.setCachedStart(mAppName, true);
char data[MAX_RX_PACKET];
MessageBuf buf(data, sizeof(data));
setState(INFO);
buf.writeU8(NANOHUB_HAL_APP_INFO);
buf.writeU32(appManager.getFlashAddr(mAppName));
buf.writeRaw(app_info_tags, sizeof(app_info_tags));
return sendToSystem(buf.getData(), buf.getPos(), rsp.mTransactionId);
}
break;
case NANOHUB_HAL_APP_MGMT_UNLOAD:
valid = mCmd == CONTEXT_HUB_UNLOAD_APP;
if (valid && rsp.mStatus == 0)
appManager.clearRunning(mAppName);
break;
default:
return 1;
}
ALOGI("Nanohub MGMT response: CMD=%02X; STATUS=%08" PRIX32, rsp.mCmd, sts.value);
if (!valid) {
ALOGE("Invalid response for this state: APP CMD=%02X", mCmd);
return -EINVAL;
}
sendToApp(mCmd, rsp.mTransactionId, &result, sizeof(result));
complete();
return 0;
}
int SystemComm::KeyInfoSession::setup(const hub_message_t *, uint32_t transactionId, AppManager &) {
std::lock_guard<std::mutex> _l(mLock);
mKeyNum = 0;
mKeyOffset = 0;
mRsaKeyData.clear();
setState(SESSION_USER);
mStatus = -EBUSY;
return requestRsaKeys(transactionId);
}
int SystemComm::KeyInfoSession::handleRx(MessageBuf &buf, uint32_t transactionId, AppManager &, bool chre)
{
std::lock_guard<std::mutex> _l(mLock);
NanohubRsp rsp(buf, transactionId, chre);
if (getState() != SESSION_USER) {
// invalid state
mStatus = -EFAULT;
return mStatus;
}
uint32_t keyLen = buf.readU32();
uint32_t dataLen = buf.getRoom();
if (dataLen) {
mRsaKeyData.insert(mRsaKeyData.end(),
buf.getData() + buf.getPos(),
buf.getData() + buf.getSize());
if (mKeyOffset + dataLen >= keyLen) {
mKeyNum++;
mKeyOffset = 0;
} else {
mKeyOffset += dataLen;
}
return requestRsaKeys(transactionId);
} else {
mStatus = 0;
complete();
return 0;
}
}
int SystemComm::KeyInfoSession::requestRsaKeys(uint32_t transactionId)
{
char data[MAX_RX_PACKET];
MessageBuf buf(data, sizeof(data));
buf.writeU8(NANOHUB_HAL_KEY_INFO);
buf.writeU32(mKeyNum);
buf.writeU32(mKeyOffset);
return sendToSystem(buf.getData(), buf.getPos(), transactionId);
}
void SystemComm::AppManager::dumpAppInfo(std::string &result)
{
char buffer[256];
for (auto &it : apps_) {
uint64_t id = it.first;
const auto &app = it.second;
snprintf(buffer, sizeof(buffer), "App: 0x%016" PRIx64 "\n", id);
result.append(buffer);
if (app->loaded) {
snprintf(buffer, sizeof(buffer),
" Version: 0x%08" PRIx32 "\n"
" flashAddr: 0x%08" PRIx32 "\n"
" Running: %s\n",
app->version,
app->flashAddr,
app->running ? "true" : "false");
result.append(buffer);
if (app->flashUse != NANOHUB_MEM_SZ_UNKNOWN) {
snprintf(buffer, sizeof(buffer),
" flashUse: %d\n"
" CRC: 0x%08" PRIx32 "\n",
app->flashUse,
app->crc);
result.append(buffer);
}
if (app->running) {
snprintf(buffer, sizeof(buffer),
" TID: %04x\n"
" ramUse: %d\n",
app->tid,
app->ramUse);
result.append(buffer);
}
if (app->chre) {
snprintf(buffer, sizeof(buffer), " CHRE: %d.%d\n",
app->chre_major, app->chre_minor);
result.append(buffer);
}
}
if (app->cached_napp) {
snprintf(buffer, sizeof(buffer),
" Cached Version: 0x%08" PRIx32 "\n"
" Cached Start: %s\n"
" Cached CRC: 0x%08" PRIx32 "\n",
app->cached_version,
app->cached_start ? "true" : "false",
app->cached_crc);
result.append(buffer);
}
}
}
bool SystemComm::AppManager::saveApps()
{
mkdir(CHRE_APP_DIR, CHRE_APP_DIR_PERMS);
File saved_apps_file(CHRE_APP_SETTINGS, "w");
std::shared_ptr<Json::Value> appsObject(new Json::Value);
status_t err;
if ((err = saved_apps_file.initCheck()) != OK) {
ALOGW("saved_apps file open (w) failed %d (%s)",
err,
strerror(-err));
return false;
}
for (auto &it : apps_) {
uint64_t id = it.first;
const auto &app = it.second;
if (app->cached_napp) {
char hexId[17];
snprintf(hexId, sizeof(hexId), "%016" PRIX64, id);
Json::Value array(Json::arrayValue);
array[0] = app->cached_version;
array[1] = app->cached_start;
array[2] = app->cached_crc;
(*appsObject)[hexId] = array;
}
}
// Write the JSON string to disk.
Json::StyledWriter writer;
std::string serializedSettings(writer.write(*appsObject));
size_t size = serializedSettings.size();
if ((err = saved_apps_file.write(serializedSettings.c_str(), size)) != (ssize_t)size) {
ALOGW("saved_apps file write failed %d (%s)",
err,
strerror(-err));
return false;
}
return true;
}
bool SystemComm::AppManager::restoreApps()
{
File saved_apps_file(CHRE_APP_SETTINGS, "r");
std::shared_ptr<Json::Value> appsObject;
status_t err;
if ((err = saved_apps_file.initCheck()) != OK) {
ALOGW("saved_apps file open (r) failed %d (%s)",
err,
strerror(-err));
return false;
}
off64_t size = saved_apps_file.seekTo(0, SEEK_END);
saved_apps_file.seekTo(0, SEEK_SET);
if (size > 0) {
char *buf = (char *)malloc(size);
CHECK_EQ(saved_apps_file.read(buf, size), (ssize_t)size);
std::string str(buf);
std::shared_ptr<Json::Value> in(new Json::Value);
Json::Reader reader;
bool valid = reader.parse(str, *in);
free(buf);
if (valid && in->isObject()) {
appsObject = in;
}
}
if (appsObject == nullptr) {
appsObject = std::shared_ptr<Json::Value>(new Json::Value(Json::objectValue));
}
Json::Value::Members apps = appsObject->getMemberNames();
for (auto &it : apps) {
Json::Value &val = (*appsObject)[it];
if (val.isArray()) {
uint32_t version = val[0].asUInt();
uint32_t start = val[1].asUInt();
uint32_t crc = val[2].asUInt();
uint64_t id = strtoull(it.c_str(), nullptr, 16);
apps_[id] = std::unique_ptr<AppData>(new AppData);
apps_[id]->loaded = false;
apps_[id]->running = false;
apps_[id]->chre = false;
apps_[id]->cached_napp = true;
apps_[id]->cached_version = version;
apps_[id]->cached_start = start;
apps_[id]->cached_crc = crc;
}
}
return true;
}
bool SystemComm::AppManager::eraseApps()
{
for (auto it=apps_.begin(); it != apps_.end();) {
if (!it->second->cached_napp)
it = apps_.erase(it);
else {
it->second->loaded = false;
it->second->running = false;
it->second->chre = false;
++it;
}
}
return true;
}
bool SystemComm::AppManager::writeApp(hub_app_name_t &appName, const uint8_t *data, int32_t len)
{
mkdir(CHRE_APP_DIR, CHRE_APP_DIR_PERMS);
char file[strlen(CHRE_APP_DIR) + strlen("/") + 16 + strlen(".napp") + 1];
snprintf(file, sizeof(file), "%s/%016" PRIX64 ".napp", CHRE_APP_DIR, appName.id);
int fd = open(file, O_CREAT | O_WRONLY | O_TRUNC, CHRE_APP_FILE_PERMS);
if (fd == -1)
return false;
if (write(fd, data, len) == len) {
close(fd);
return true;
} else {
close(fd);
return false;
}
}
int32_t SystemComm::AppManager::readApp(hub_app_name_t &appName, void **data)
{
char file[strlen(CHRE_APP_DIR) + strlen("/") + 16 + strlen(".napp") + 1];
snprintf(file, sizeof(file), "%s/%016" PRIX64 ".napp", CHRE_APP_DIR, appName.id);
int32_t ret = -1;
*data = nullptr;
int fd = open(file, O_RDONLY);
if (fd >= 0) {
struct stat sb;
if (fstat(fd, &sb) == 0) {
*data = malloc(sb.st_size);
if (*data != nullptr && read(fd, *data, sb.st_size) == sb.st_size)
ret = sb.st_size;
else {
free(*data);
*data = nullptr;
}
}
close(fd);
}
return ret;
}
bool SystemComm::AppManager::cmpApp(hub_app_name_t &appName, const uint8_t *data, uint32_t len)
{
char file[strlen(CHRE_APP_DIR) + strlen("/") + 16 + strlen(".napp") + 1];
snprintf(file, sizeof(file), "%s/%016" PRIX64 ".napp", CHRE_APP_DIR, appName.id);
if (!isAppLoaded(appName))
return false;
if ((!apps_[appName.id]->cached_napp) ||
(apps_[appName.id]->crc != apps_[appName.id]->cached_crc))
return false;
bool success = false;
int fd = open(file, O_RDONLY);
if (fd >= 0) {
struct stat sb;
if (fstat(fd, &sb) == 0 && sb.st_size == len) {
void *buf = malloc(len);
if (buf != nullptr && read(fd, buf, sb.st_size) == sb.st_size && memcmp(data, buf, len) == 0)
success = true;
free(buf);
}
close(fd);
}
return success;
}
uint32_t SystemComm::AppManager::readNanohubAppInfo(MessageBuf &buf)
{
hub_app_name_t name;
uint8_t tag, len;
uint32_t ramUse = 0;
bool ramUseValid = true;
// first tag must be the appid
if (buf.getRoom() < 2 + sizeof(name.id)) {
ALOGE("%s: failed to read object", __func__);
return 0;
}
tag = buf.readU8();
len = buf.readU8();
if (tag != NANOHUB_HAL_APP_INFO_APPID || len != sizeof(name.id)) {
ALOGE("%s: invalid first tag: %d", __func__, tag);
return 0;
}
readAppName(buf, name);
if (!isAppPresent(name)) {
apps_[name.id] = std::unique_ptr<AppData>(new AppData);
apps_[name.id]->loaded = false;
apps_[name.id]->chre = false;
apps_[name.id]->running = false;
apps_[name.id]->cached_napp = false;
}
const auto &app = apps_[name.id];
while (buf.getRoom() >= 2) {
tag = buf.readU8();
len = buf.readU8();
if (buf.getRoom() >= len) {
switch(tag) {
case NANOHUB_HAL_APP_INFO_CRC:
if (len == 0)
app->crc = 0;
else if (len == sizeof(app->crc))
app->crc = buf.readU32();
else
buf.readRaw(len);
break;
case NANOHUB_HAL_APP_INFO_TID:
if (len == 0) {
app->tid = NANOHUB_TID_UNKNOWN;
ramUseValid = false;
app->loaded = true;
app->running = false;
} else if (len == sizeof(app->tid)) {
app->tid = buf.readU32();
app->loaded = true;
app->running = true;
} else
buf.readRaw(len);
break;
case NANOHUB_HAL_APP_INFO_VERSION:
if (len == sizeof(app->version))
app->version = buf.readU32();
else
buf.readRaw(len);
break;
case NANOHUB_HAL_APP_INFO_ADDR:
if (len == sizeof(app->flashAddr))
app->flashAddr = buf.readU32();
else
buf.readRaw(len);
break;
case NANOHUB_HAL_APP_INFO_SIZE:
if (len == 0)
app->flashUse = NANOHUB_MEM_SZ_UNKNOWN;
else if (len == sizeof(app->flashUse))
app->flashUse = buf.readU32();
else
buf.readRaw(len);
break;
case NANOHUB_HAL_APP_INFO_HEAP:
case NANOHUB_HAL_APP_INFO_DATA:
case NANOHUB_HAL_APP_INFO_BSS:
if (len == 0)
ramUseValid = false;
else if (len == sizeof(uint32_t))
ramUse += buf.readU32();
else
buf.readRaw(len);
break;
case NANOHUB_HAL_APP_INFO_CHRE_MAJOR:
if (len == 0)
app->chre = false;
else if (len == sizeof(app->chre_major)) {
app->chre = true;
app->chre_major = buf.readU8();
} else
buf.readRaw(len);
break;
case NANOHUB_HAL_APP_INFO_CHRE_MINOR:
if (len == 0)
app->chre = false;
else if (len == sizeof(app->chre_minor)) {
app->chre = true;
app->chre_minor = buf.readU8();
} else
buf.readRaw(len);
break;
case NANOHUB_HAL_APP_INFO_END:
if (len != 0 || buf.getRoom() != 0) {
ALOGE("%s: failed to read object", __func__);
return 0;
}
break;
default:
ALOGI("%s: unsupported tag: %d", __func__, tag);
buf.readRaw(len);
break;
}
} else {
ALOGE("%s: failed to read object", __func__);
return 0;
}
}
if (buf.getRoom() != 0) {
ALOGE("%s: failed to read object", __func__);
return 0;
}
if (ramUseValid)
app->ramUse = ramUse;
else
app->ramUse = NANOHUB_MEM_SZ_UNKNOWN;
return app->flashAddr +
(app->flashUse != NANOHUB_MEM_SZ_UNKNOWN ? ((app->flashUse+3)&~3) : 4);
}
void SystemComm::AppManager::sendAppInfoToApp(uint32_t transactionId) {
std::vector<hub_app_info> appInfo;
for (auto &it : apps_) {
uint64_t id = it.first;
const auto &app = it.second;
// TODO: Still have some non-chre apps that need to be reported
// if (!app->chre || !app->running || app->flashUse == NANOHUB_MEM_SZ_UNKNOWN)
if (!app->running || app->flashUse == NANOHUB_MEM_SZ_UNKNOWN)
continue;
hub_app_info info;
info.app_name = { .id = id };
info.version = app->version;
info.num_mem_ranges = 0;
if (app->flashUse != NANOHUB_MEM_SZ_UNKNOWN) {
mem_range_t &range = info.mem_usage[info.num_mem_ranges++];
range.type = HUB_MEM_TYPE_MAIN;
range.total_bytes = app->flashUse;
}
if (app->ramUse != NANOHUB_MEM_SZ_UNKNOWN) {
mem_range_t &range = info.mem_usage[info.num_mem_ranges++];
range.type = HUB_MEM_TYPE_RAM;
range.total_bytes = app->ramUse;
}
appInfo.push_back(info);
}
sendToApp(CONTEXT_HUB_QUERY_APPS, transactionId,
static_cast<const void *>(appInfo.data()),
appInfo.size() * sizeof(appInfo[0]));
}
int SystemComm::AppManager::getAppsToStart(std::vector<hub_app_name_t> &apps)
{
int cnt = 0;
apps.clear();
for (auto &it : apps_) {
uint64_t id = it.first;
const auto &app = it.second;
if (app->cached_napp && app->cached_start && app->loaded &&
!app->running && app->flashUse != NANOHUB_MEM_SZ_UNKNOWN) {
apps.push_back({ .id = id });
cnt++;
}
}
return cnt;
}
int SystemComm::doHandleRx(uint64_t appId, uint32_t transactionId, const char *data, int len, bool chre)
{
bool reboot = false;
uint32_t rebootStatus;
//we only care for messages from HostIF
if (appId != mHostIfAppName.id)
return 1;
//they must all be at least 1 byte long
if (!len) {
return -EINVAL;
}
MessageBuf buf(data, len);
if (NanoHub::messageTracingEnabled()) {
dumpBuffer("SYS -> HAL", mHostIfAppName, transactionId, 0, buf.getData(), buf.getSize());
}
int status = mSessions.handleRx(buf, transactionId, mAppManager, chre, reboot, rebootStatus);
if (status) {
// provide default handler for any system message, that is not properly handled
dumpBuffer(status > 0 ? "HAL (not handled)" : "HAL (error)",
mHostIfAppName, transactionId, 0, buf.getData(), buf.getSize(), status);
status = status > 0 ? 0 : status;
}
if (reboot) {
hub_message_t msg =
{
.app_name.id = appId,
.message_type = CONTEXT_HUB_START_APPS,
.message_len = sizeof(rebootStatus),
.message = &rebootStatus,
};
status = doHandleTx(&msg, 0xFFFFFFFF);
}
return status;
}
void SystemComm::doDumpAppInfo(std::string &result)
{
mAppManager.dumpAppInfo(result);
}
int SystemComm::SessionManager::handleRx(MessageBuf &buf, uint32_t transactionId, AppManager &appManager, bool chre, bool &reboot, uint32_t &rebootStatus)
{
int status = 1;
std::unique_lock<std::mutex> lk(lock);
// pass message to all active sessions, in arbitrary order
// 1st session that handles the message terminates the loop
for (auto pos = sessions_.begin(); pos != sessions_.end() && status > 0; next(pos)) {
if (!isActive(pos)) {
continue;
}
Session *session = pos->second;
status = session->handleRx(buf, transactionId, appManager, chre);
if (status < 0) {
session->complete();
}
}
NanohubRsp rsp(buf, transactionId, chre);
if (rsp.mCmd == NANOHUB_HAL_SYS_MGMT) {
uint8_t cmd = buf.readU8();
if (cmd == NANOHUB_HAL_SYS_MGMT_REBOOT) {
// if this is reboot notification, kill all sessions
for (auto pos = sessions_.begin(); pos != sessions_.end(); next(pos)) {
if (!isActive(pos)) {
continue;
}
Session *session = pos->second;
session->abort(-EINTR);
}
lk.unlock();
// log the reboot event, if not handled
if (status > 0) {
ALOGW("Nanohub reboot status [UNSOLICITED]: %08" PRIX32, rsp.mStatus);
status = 0;
}
reboot = true;
rebootStatus = rsp.mStatus;
}
}
return status;
}
int SystemComm::SessionManager::setup_and_add(int id, Session *session, const hub_message_t *appMsg, uint32_t transactionId, AppManager &appManager)
{
std::lock_guard<std::mutex> _l(lock);
// scan sessions to release those that are already done
for (auto pos = sessions_.begin(); pos != sessions_.end(); next(pos)) {
continue;
}
if (sessions_.count(id) == 0 && !session->isRunning()) {
sessions_[id] = session;
int ret = session->setup(appMsg, transactionId, appManager);
if (ret < 0) {
session->complete();
}
return ret;
}
return -EBUSY;
}
int SystemComm::doHandleTx(const hub_message_t *appMsg, uint32_t transactionId)
{
int status = 0;
switch (appMsg->message_type) {
case CONTEXT_HUB_LOAD_APP:
if (!mKeySession.haveKeys()) {
status = mSessions.setup_and_add(CONTEXT_HUB_LOAD_APP, &mKeySession, appMsg, transactionId, mAppManager);
if (status < 0) {
break;
}
mKeySession.wait();
status = mKeySession.getStatus();
if (status < 0) {
break;
}
}
status = mSessions.setup_and_add(CONTEXT_HUB_LOAD_APP, &mAppMgmtSession, appMsg, transactionId, mAppManager);
break;
case CONTEXT_HUB_APPS_ENABLE:
case CONTEXT_HUB_APPS_DISABLE:
case CONTEXT_HUB_UNLOAD_APP:
// all APP-modifying commands share session key, to ensure they can't happen at the same time
status = mSessions.setup_and_add(CONTEXT_HUB_LOAD_APP, &mAppMgmtSession, appMsg, transactionId, mAppManager);
break;
case CONTEXT_HUB_QUERY_APPS:
mAppManager.sendAppInfoToApp(transactionId);
break;
case CONTEXT_HUB_QUERY_MEMORY:
status = mSessions.setup_and_add(CONTEXT_HUB_QUERY_MEMORY, &mMemInfoSession, appMsg, transactionId, mAppManager);
break;
case CONTEXT_HUB_START_APPS:
status = mSessions.setup_and_add(CONTEXT_HUB_START_APPS, &mAppMgmtSession, appMsg, transactionId, mAppManager);
break;
default:
ALOGW("Unknown os message type %u\n", appMsg->message_type);
return -EINVAL;
}
return status;
}
}; // namespace nanohub
}; // namespace android