| /* |
| * Copyright (C) 2014 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. |
| */ |
| |
| #include <errno.h> |
| #include <fcntl.h> |
| #include <poll.h> |
| #include <pthread.h> |
| #include <stdio.h> |
| #include <stdlib.h> |
| |
| #include <gtest/gtest.h> |
| |
| #include <binder/Binder.h> |
| #include <binder/IBinder.h> |
| #include <binder/IPCThreadState.h> |
| #include <binder/IServiceManager.h> |
| |
| #include <private/binder/binder_module.h> |
| #include <sys/epoll.h> |
| #include <sys/prctl.h> |
| |
| #include "binderAbiHelper.h" |
| |
| #define ARRAY_SIZE(array) (sizeof array / sizeof array[0]) |
| |
| using namespace android; |
| |
| static ::testing::AssertionResult IsPageAligned(void *buf) { |
| if (((unsigned long)buf & ((unsigned long)PAGE_SIZE - 1)) == 0) |
| return ::testing::AssertionSuccess(); |
| else |
| return ::testing::AssertionFailure() << buf << " is not page aligned"; |
| } |
| |
| static testing::Environment* binder_env; |
| static char *binderservername; |
| static char *binderserversuffix; |
| static char binderserverarg[] = "--binderserver"; |
| |
| static constexpr int kSchedPolicy = SCHED_RR; |
| static constexpr int kSchedPriority = 7; |
| |
| static String16 binderLibTestServiceName = String16("test.binderLib"); |
| |
| enum BinderLibTestTranscationCode { |
| BINDER_LIB_TEST_NOP_TRANSACTION = IBinder::FIRST_CALL_TRANSACTION, |
| BINDER_LIB_TEST_REGISTER_SERVER, |
| BINDER_LIB_TEST_ADD_SERVER, |
| BINDER_LIB_TEST_ADD_POLL_SERVER, |
| BINDER_LIB_TEST_CALL_BACK, |
| BINDER_LIB_TEST_CALL_BACK_VERIFY_BUF, |
| BINDER_LIB_TEST_DELAYED_CALL_BACK, |
| BINDER_LIB_TEST_NOP_CALL_BACK, |
| BINDER_LIB_TEST_GET_SELF_TRANSACTION, |
| BINDER_LIB_TEST_GET_ID_TRANSACTION, |
| BINDER_LIB_TEST_INDIRECT_TRANSACTION, |
| BINDER_LIB_TEST_SET_ERROR_TRANSACTION, |
| BINDER_LIB_TEST_GET_STATUS_TRANSACTION, |
| BINDER_LIB_TEST_ADD_STRONG_REF_TRANSACTION, |
| BINDER_LIB_TEST_LINK_DEATH_TRANSACTION, |
| BINDER_LIB_TEST_WRITE_FILE_TRANSACTION, |
| BINDER_LIB_TEST_WRITE_PARCEL_FILE_DESCRIPTOR_TRANSACTION, |
| BINDER_LIB_TEST_EXIT_TRANSACTION, |
| BINDER_LIB_TEST_DELAYED_EXIT_TRANSACTION, |
| BINDER_LIB_TEST_GET_PTR_SIZE_TRANSACTION, |
| BINDER_LIB_TEST_CREATE_BINDER_TRANSACTION, |
| BINDER_LIB_TEST_GET_WORK_SOURCE_TRANSACTION, |
| BINDER_LIB_TEST_GET_SCHEDULING_POLICY, |
| BINDER_LIB_TEST_ECHO_VECTOR, |
| BINDER_LIB_TEST_REJECT_BUF, |
| }; |
| |
| pid_t start_server_process(int arg2, bool usePoll = false) |
| { |
| int ret; |
| pid_t pid; |
| status_t status; |
| int pipefd[2]; |
| char stri[16]; |
| char strpipefd1[16]; |
| char usepoll[2]; |
| char *childargv[] = { |
| binderservername, |
| binderserverarg, |
| stri, |
| strpipefd1, |
| usepoll, |
| binderserversuffix, |
| nullptr |
| }; |
| |
| ret = pipe(pipefd); |
| if (ret < 0) |
| return ret; |
| |
| snprintf(stri, sizeof(stri), "%d", arg2); |
| snprintf(strpipefd1, sizeof(strpipefd1), "%d", pipefd[1]); |
| snprintf(usepoll, sizeof(usepoll), "%d", usePoll ? 1 : 0); |
| |
| pid = fork(); |
| if (pid == -1) |
| return pid; |
| if (pid == 0) { |
| prctl(PR_SET_PDEATHSIG, SIGHUP); |
| close(pipefd[0]); |
| execv(binderservername, childargv); |
| status = -errno; |
| write(pipefd[1], &status, sizeof(status)); |
| fprintf(stderr, "execv failed, %s\n", strerror(errno)); |
| _exit(EXIT_FAILURE); |
| } |
| close(pipefd[1]); |
| ret = read(pipefd[0], &status, sizeof(status)); |
| //printf("pipe read returned %d, status %d\n", ret, status); |
| close(pipefd[0]); |
| if (ret == sizeof(status)) { |
| ret = status; |
| } else { |
| kill(pid, SIGKILL); |
| if (ret >= 0) { |
| ret = NO_INIT; |
| } |
| } |
| if (ret < 0) { |
| wait(nullptr); |
| return ret; |
| } |
| return pid; |
| } |
| |
| class BinderLibTestEnv : public ::testing::Environment { |
| public: |
| BinderLibTestEnv() {} |
| sp<IBinder> getServer(void) { |
| return m_server; |
| } |
| |
| private: |
| virtual void SetUp() { |
| m_serverpid = start_server_process(0); |
| //printf("m_serverpid %d\n", m_serverpid); |
| ASSERT_GT(m_serverpid, 0); |
| |
| sp<IServiceManager> sm = defaultServiceManager(); |
| //printf("%s: pid %d, get service\n", __func__, m_pid); |
| m_server = sm->getService(binderLibTestServiceName); |
| ASSERT_TRUE(m_server != nullptr); |
| //printf("%s: pid %d, get service done\n", __func__, m_pid); |
| } |
| virtual void TearDown() { |
| status_t ret; |
| Parcel data, reply; |
| int exitStatus; |
| pid_t pid; |
| |
| //printf("%s: pid %d\n", __func__, m_pid); |
| if (m_server != nullptr) { |
| ret = m_server->transact(BINDER_LIB_TEST_GET_STATUS_TRANSACTION, data, &reply); |
| EXPECT_EQ(0, ret); |
| ret = m_server->transact(BINDER_LIB_TEST_EXIT_TRANSACTION, data, &reply, TF_ONE_WAY); |
| EXPECT_EQ(0, ret); |
| } |
| if (m_serverpid > 0) { |
| //printf("wait for %d\n", m_pids[i]); |
| pid = wait(&exitStatus); |
| EXPECT_EQ(m_serverpid, pid); |
| EXPECT_TRUE(WIFEXITED(exitStatus)); |
| EXPECT_EQ(0, WEXITSTATUS(exitStatus)); |
| } |
| } |
| |
| pid_t m_serverpid; |
| sp<IBinder> m_server; |
| }; |
| |
| class BinderLibTest : public ::testing::Test { |
| public: |
| virtual void SetUp() { |
| m_server = static_cast<BinderLibTestEnv *>(binder_env)->getServer(); |
| IPCThreadState::self()->restoreCallingWorkSource(0); |
| } |
| virtual void TearDown() { |
| } |
| protected: |
| sp<IBinder> addServerEtc(int32_t *idPtr, int code) |
| { |
| int ret; |
| int32_t id; |
| Parcel data, reply; |
| sp<IBinder> binder; |
| |
| ret = m_server->transact(code, data, &reply); |
| EXPECT_EQ(NO_ERROR, ret); |
| |
| EXPECT_FALSE(binder != nullptr); |
| binder = reply.readStrongBinder(); |
| EXPECT_TRUE(binder != nullptr); |
| ret = reply.readInt32(&id); |
| EXPECT_EQ(NO_ERROR, ret); |
| if (idPtr) |
| *idPtr = id; |
| return binder; |
| } |
| |
| sp<IBinder> addServer(int32_t *idPtr = nullptr) |
| { |
| return addServerEtc(idPtr, BINDER_LIB_TEST_ADD_SERVER); |
| } |
| |
| sp<IBinder> addPollServer(int32_t *idPtr = nullptr) |
| { |
| return addServerEtc(idPtr, BINDER_LIB_TEST_ADD_POLL_SERVER); |
| } |
| |
| void waitForReadData(int fd, int timeout_ms) { |
| int ret; |
| pollfd pfd = pollfd(); |
| |
| pfd.fd = fd; |
| pfd.events = POLLIN; |
| ret = poll(&pfd, 1, timeout_ms); |
| EXPECT_EQ(1, ret); |
| } |
| |
| sp<IBinder> m_server; |
| }; |
| |
| class BinderLibTestBundle : public Parcel |
| { |
| public: |
| BinderLibTestBundle(void) {} |
| explicit BinderLibTestBundle(const Parcel *source) : m_isValid(false) { |
| int32_t mark; |
| int32_t bundleLen; |
| size_t pos; |
| |
| if (source->readInt32(&mark)) |
| return; |
| if (mark != MARK_START) |
| return; |
| if (source->readInt32(&bundleLen)) |
| return; |
| pos = source->dataPosition(); |
| if (Parcel::appendFrom(source, pos, bundleLen)) |
| return; |
| source->setDataPosition(pos + bundleLen); |
| if (source->readInt32(&mark)) |
| return; |
| if (mark != MARK_END) |
| return; |
| m_isValid = true; |
| setDataPosition(0); |
| } |
| void appendTo(Parcel *dest) { |
| dest->writeInt32(MARK_START); |
| dest->writeInt32(dataSize()); |
| dest->appendFrom(this, 0, dataSize()); |
| dest->writeInt32(MARK_END); |
| }; |
| bool isValid(void) { |
| return m_isValid; |
| } |
| private: |
| enum { |
| MARK_START = B_PACK_CHARS('B','T','B','S'), |
| MARK_END = B_PACK_CHARS('B','T','B','E'), |
| }; |
| bool m_isValid; |
| }; |
| |
| class BinderLibTestEvent |
| { |
| public: |
| BinderLibTestEvent(void) |
| : m_eventTriggered(false) |
| { |
| pthread_mutex_init(&m_waitMutex, nullptr); |
| pthread_cond_init(&m_waitCond, nullptr); |
| } |
| int waitEvent(int timeout_s) |
| { |
| int ret; |
| pthread_mutex_lock(&m_waitMutex); |
| if (!m_eventTriggered) { |
| struct timespec ts; |
| clock_gettime(CLOCK_REALTIME, &ts); |
| ts.tv_sec += timeout_s; |
| pthread_cond_timedwait(&m_waitCond, &m_waitMutex, &ts); |
| } |
| ret = m_eventTriggered ? NO_ERROR : TIMED_OUT; |
| pthread_mutex_unlock(&m_waitMutex); |
| return ret; |
| } |
| pthread_t getTriggeringThread() |
| { |
| return m_triggeringThread; |
| } |
| protected: |
| void triggerEvent(void) { |
| pthread_mutex_lock(&m_waitMutex); |
| pthread_cond_signal(&m_waitCond); |
| m_eventTriggered = true; |
| m_triggeringThread = pthread_self(); |
| pthread_mutex_unlock(&m_waitMutex); |
| }; |
| private: |
| pthread_mutex_t m_waitMutex; |
| pthread_cond_t m_waitCond; |
| bool m_eventTriggered; |
| pthread_t m_triggeringThread; |
| }; |
| |
| class BinderLibTestCallBack : public BBinder, public BinderLibTestEvent |
| { |
| public: |
| BinderLibTestCallBack() |
| : m_result(NOT_ENOUGH_DATA) |
| , m_prev_end(nullptr) |
| { |
| } |
| status_t getResult(void) |
| { |
| return m_result; |
| } |
| |
| private: |
| virtual status_t onTransact(uint32_t code, |
| const Parcel& data, Parcel* reply, |
| uint32_t flags = 0) |
| { |
| (void)reply; |
| (void)flags; |
| switch(code) { |
| case BINDER_LIB_TEST_CALL_BACK: { |
| status_t status = data.readInt32(&m_result); |
| if (status != NO_ERROR) { |
| m_result = status; |
| } |
| triggerEvent(); |
| return NO_ERROR; |
| } |
| case BINDER_LIB_TEST_CALL_BACK_VERIFY_BUF: { |
| sp<IBinder> server; |
| int ret; |
| const uint8_t *buf = data.data(); |
| size_t size = data.dataSize(); |
| if (m_prev_end) { |
| /* 64-bit kernel needs at most 8 bytes to align buffer end */ |
| EXPECT_LE((size_t)(buf - m_prev_end), (size_t)8); |
| } else { |
| EXPECT_TRUE(IsPageAligned((void *)buf)); |
| } |
| |
| m_prev_end = buf + size + data.objectsCount() * sizeof(binder_size_t); |
| |
| if (size > 0) { |
| server = static_cast<BinderLibTestEnv *>(binder_env)->getServer(); |
| ret = server->transact(BINDER_LIB_TEST_INDIRECT_TRANSACTION, |
| data, reply); |
| EXPECT_EQ(NO_ERROR, ret); |
| } |
| return NO_ERROR; |
| } |
| default: |
| return UNKNOWN_TRANSACTION; |
| } |
| } |
| |
| status_t m_result; |
| const uint8_t *m_prev_end; |
| }; |
| |
| class TestDeathRecipient : public IBinder::DeathRecipient, public BinderLibTestEvent |
| { |
| private: |
| virtual void binderDied(const wp<IBinder>& who) { |
| (void)who; |
| triggerEvent(); |
| }; |
| }; |
| |
| TEST_F(BinderLibTest, NopTransaction) { |
| status_t ret; |
| Parcel data, reply; |
| ret = m_server->transact(BINDER_LIB_TEST_NOP_TRANSACTION, data, &reply); |
| EXPECT_EQ(NO_ERROR, ret); |
| } |
| |
| TEST_F(BinderLibTest, SetError) { |
| int32_t testValue[] = { 0, -123, 123 }; |
| for (size_t i = 0; i < ARRAY_SIZE(testValue); i++) { |
| status_t ret; |
| Parcel data, reply; |
| data.writeInt32(testValue[i]); |
| ret = m_server->transact(BINDER_LIB_TEST_SET_ERROR_TRANSACTION, data, &reply); |
| EXPECT_EQ(testValue[i], ret); |
| } |
| } |
| |
| TEST_F(BinderLibTest, GetId) { |
| status_t ret; |
| int32_t id; |
| Parcel data, reply; |
| ret = m_server->transact(BINDER_LIB_TEST_GET_ID_TRANSACTION, data, &reply); |
| EXPECT_EQ(NO_ERROR, ret); |
| ret = reply.readInt32(&id); |
| EXPECT_EQ(NO_ERROR, ret); |
| EXPECT_EQ(0, id); |
| } |
| |
| TEST_F(BinderLibTest, PtrSize) { |
| status_t ret; |
| int32_t ptrsize; |
| Parcel data, reply; |
| sp<IBinder> server = addServer(); |
| ASSERT_TRUE(server != nullptr); |
| ret = server->transact(BINDER_LIB_TEST_GET_PTR_SIZE_TRANSACTION, data, &reply); |
| EXPECT_EQ(NO_ERROR, ret); |
| ret = reply.readInt32(&ptrsize); |
| EXPECT_EQ(NO_ERROR, ret); |
| RecordProperty("TestPtrSize", sizeof(void *)); |
| RecordProperty("ServerPtrSize", sizeof(void *)); |
| } |
| |
| TEST_F(BinderLibTest, IndirectGetId2) |
| { |
| status_t ret; |
| int32_t id; |
| int32_t count; |
| Parcel data, reply; |
| int32_t serverId[3]; |
| |
| data.writeInt32(ARRAY_SIZE(serverId)); |
| for (size_t i = 0; i < ARRAY_SIZE(serverId); i++) { |
| sp<IBinder> server; |
| BinderLibTestBundle datai; |
| |
| server = addServer(&serverId[i]); |
| ASSERT_TRUE(server != nullptr); |
| data.writeStrongBinder(server); |
| data.writeInt32(BINDER_LIB_TEST_GET_ID_TRANSACTION); |
| datai.appendTo(&data); |
| } |
| |
| ret = m_server->transact(BINDER_LIB_TEST_INDIRECT_TRANSACTION, data, &reply); |
| ASSERT_EQ(NO_ERROR, ret); |
| |
| ret = reply.readInt32(&id); |
| ASSERT_EQ(NO_ERROR, ret); |
| EXPECT_EQ(0, id); |
| |
| ret = reply.readInt32(&count); |
| ASSERT_EQ(NO_ERROR, ret); |
| EXPECT_EQ(ARRAY_SIZE(serverId), (size_t)count); |
| |
| for (size_t i = 0; i < (size_t)count; i++) { |
| BinderLibTestBundle replyi(&reply); |
| EXPECT_TRUE(replyi.isValid()); |
| ret = replyi.readInt32(&id); |
| EXPECT_EQ(NO_ERROR, ret); |
| EXPECT_EQ(serverId[i], id); |
| EXPECT_EQ(replyi.dataSize(), replyi.dataPosition()); |
| } |
| |
| EXPECT_EQ(reply.dataSize(), reply.dataPosition()); |
| } |
| |
| TEST_F(BinderLibTest, IndirectGetId3) |
| { |
| status_t ret; |
| int32_t id; |
| int32_t count; |
| Parcel data, reply; |
| int32_t serverId[3]; |
| |
| data.writeInt32(ARRAY_SIZE(serverId)); |
| for (size_t i = 0; i < ARRAY_SIZE(serverId); i++) { |
| sp<IBinder> server; |
| BinderLibTestBundle datai; |
| BinderLibTestBundle datai2; |
| |
| server = addServer(&serverId[i]); |
| ASSERT_TRUE(server != nullptr); |
| data.writeStrongBinder(server); |
| data.writeInt32(BINDER_LIB_TEST_INDIRECT_TRANSACTION); |
| |
| datai.writeInt32(1); |
| datai.writeStrongBinder(m_server); |
| datai.writeInt32(BINDER_LIB_TEST_GET_ID_TRANSACTION); |
| datai2.appendTo(&datai); |
| |
| datai.appendTo(&data); |
| } |
| |
| ret = m_server->transact(BINDER_LIB_TEST_INDIRECT_TRANSACTION, data, &reply); |
| ASSERT_EQ(NO_ERROR, ret); |
| |
| ret = reply.readInt32(&id); |
| ASSERT_EQ(NO_ERROR, ret); |
| EXPECT_EQ(0, id); |
| |
| ret = reply.readInt32(&count); |
| ASSERT_EQ(NO_ERROR, ret); |
| EXPECT_EQ(ARRAY_SIZE(serverId), (size_t)count); |
| |
| for (size_t i = 0; i < (size_t)count; i++) { |
| int32_t counti; |
| |
| BinderLibTestBundle replyi(&reply); |
| EXPECT_TRUE(replyi.isValid()); |
| ret = replyi.readInt32(&id); |
| EXPECT_EQ(NO_ERROR, ret); |
| EXPECT_EQ(serverId[i], id); |
| |
| ret = replyi.readInt32(&counti); |
| ASSERT_EQ(NO_ERROR, ret); |
| EXPECT_EQ(1, counti); |
| |
| BinderLibTestBundle replyi2(&replyi); |
| EXPECT_TRUE(replyi2.isValid()); |
| ret = replyi2.readInt32(&id); |
| EXPECT_EQ(NO_ERROR, ret); |
| EXPECT_EQ(0, id); |
| EXPECT_EQ(replyi2.dataSize(), replyi2.dataPosition()); |
| |
| EXPECT_EQ(replyi.dataSize(), replyi.dataPosition()); |
| } |
| |
| EXPECT_EQ(reply.dataSize(), reply.dataPosition()); |
| } |
| |
| TEST_F(BinderLibTest, CallBack) |
| { |
| status_t ret; |
| Parcel data, reply; |
| sp<BinderLibTestCallBack> callBack = new BinderLibTestCallBack(); |
| data.writeStrongBinder(callBack); |
| ret = m_server->transact(BINDER_LIB_TEST_NOP_CALL_BACK, data, &reply, TF_ONE_WAY); |
| EXPECT_EQ(NO_ERROR, ret); |
| ret = callBack->waitEvent(5); |
| EXPECT_EQ(NO_ERROR, ret); |
| ret = callBack->getResult(); |
| EXPECT_EQ(NO_ERROR, ret); |
| } |
| |
| TEST_F(BinderLibTest, AddServer) |
| { |
| sp<IBinder> server = addServer(); |
| ASSERT_TRUE(server != nullptr); |
| } |
| |
| TEST_F(BinderLibTest, DeathNotificationStrongRef) |
| { |
| status_t ret; |
| sp<IBinder> sbinder; |
| |
| sp<TestDeathRecipient> testDeathRecipient = new TestDeathRecipient(); |
| |
| { |
| sp<IBinder> binder = addServer(); |
| ASSERT_TRUE(binder != nullptr); |
| ret = binder->linkToDeath(testDeathRecipient); |
| EXPECT_EQ(NO_ERROR, ret); |
| sbinder = binder; |
| } |
| { |
| Parcel data, reply; |
| ret = sbinder->transact(BINDER_LIB_TEST_EXIT_TRANSACTION, data, &reply, TF_ONE_WAY); |
| EXPECT_EQ(0, ret); |
| } |
| IPCThreadState::self()->flushCommands(); |
| ret = testDeathRecipient->waitEvent(5); |
| EXPECT_EQ(NO_ERROR, ret); |
| ret = sbinder->unlinkToDeath(testDeathRecipient); |
| EXPECT_EQ(DEAD_OBJECT, ret); |
| } |
| |
| TEST_F(BinderLibTest, DeathNotificationMultiple) |
| { |
| status_t ret; |
| const int clientcount = 2; |
| sp<IBinder> target; |
| sp<IBinder> linkedclient[clientcount]; |
| sp<BinderLibTestCallBack> callBack[clientcount]; |
| sp<IBinder> passiveclient[clientcount]; |
| |
| target = addServer(); |
| ASSERT_TRUE(target != nullptr); |
| for (int i = 0; i < clientcount; i++) { |
| { |
| Parcel data, reply; |
| |
| linkedclient[i] = addServer(); |
| ASSERT_TRUE(linkedclient[i] != nullptr); |
| callBack[i] = new BinderLibTestCallBack(); |
| data.writeStrongBinder(target); |
| data.writeStrongBinder(callBack[i]); |
| ret = linkedclient[i]->transact(BINDER_LIB_TEST_LINK_DEATH_TRANSACTION, data, &reply, TF_ONE_WAY); |
| EXPECT_EQ(NO_ERROR, ret); |
| } |
| { |
| Parcel data, reply; |
| |
| passiveclient[i] = addServer(); |
| ASSERT_TRUE(passiveclient[i] != nullptr); |
| data.writeStrongBinder(target); |
| ret = passiveclient[i]->transact(BINDER_LIB_TEST_ADD_STRONG_REF_TRANSACTION, data, &reply, TF_ONE_WAY); |
| EXPECT_EQ(NO_ERROR, ret); |
| } |
| } |
| { |
| Parcel data, reply; |
| ret = target->transact(BINDER_LIB_TEST_EXIT_TRANSACTION, data, &reply, TF_ONE_WAY); |
| EXPECT_EQ(0, ret); |
| } |
| |
| for (int i = 0; i < clientcount; i++) { |
| ret = callBack[i]->waitEvent(5); |
| EXPECT_EQ(NO_ERROR, ret); |
| ret = callBack[i]->getResult(); |
| EXPECT_EQ(NO_ERROR, ret); |
| } |
| } |
| |
| TEST_F(BinderLibTest, DeathNotificationThread) |
| { |
| status_t ret; |
| sp<BinderLibTestCallBack> callback; |
| sp<IBinder> target = addServer(); |
| ASSERT_TRUE(target != nullptr); |
| sp<IBinder> client = addServer(); |
| ASSERT_TRUE(client != nullptr); |
| |
| sp<TestDeathRecipient> testDeathRecipient = new TestDeathRecipient(); |
| |
| ret = target->linkToDeath(testDeathRecipient); |
| EXPECT_EQ(NO_ERROR, ret); |
| |
| { |
| Parcel data, reply; |
| ret = target->transact(BINDER_LIB_TEST_EXIT_TRANSACTION, data, &reply, TF_ONE_WAY); |
| EXPECT_EQ(0, ret); |
| } |
| |
| /* Make sure it's dead */ |
| testDeathRecipient->waitEvent(5); |
| |
| /* Now, pass the ref to another process and ask that process to |
| * call linkToDeath() on it, and wait for a response. This tests |
| * two things: |
| * 1) You still get death notifications when calling linkToDeath() |
| * on a ref that is already dead when it was passed to you. |
| * 2) That death notifications are not directly pushed to the thread |
| * registering them, but to the threadpool (proc workqueue) instead. |
| * |
| * 2) is tested because the thread handling BINDER_LIB_TEST_DEATH_TRANSACTION |
| * is blocked on a condition variable waiting for the death notification to be |
| * called; therefore, that thread is not available for handling proc work. |
| * So, if the death notification was pushed to the thread workqueue, the callback |
| * would never be called, and the test would timeout and fail. |
| * |
| * Note that we can't do this part of the test from this thread itself, because |
| * the binder driver would only push death notifications to the thread if |
| * it is a looper thread, which this thread is not. |
| * |
| * See b/23525545 for details. |
| */ |
| { |
| Parcel data, reply; |
| |
| callback = new BinderLibTestCallBack(); |
| data.writeStrongBinder(target); |
| data.writeStrongBinder(callback); |
| ret = client->transact(BINDER_LIB_TEST_LINK_DEATH_TRANSACTION, data, &reply, TF_ONE_WAY); |
| EXPECT_EQ(NO_ERROR, ret); |
| } |
| |
| ret = callback->waitEvent(5); |
| EXPECT_EQ(NO_ERROR, ret); |
| ret = callback->getResult(); |
| EXPECT_EQ(NO_ERROR, ret); |
| } |
| |
| TEST_F(BinderLibTest, PassFile) { |
| int ret; |
| int pipefd[2]; |
| uint8_t buf[1] = { 0 }; |
| uint8_t write_value = 123; |
| |
| ret = pipe2(pipefd, O_NONBLOCK); |
| ASSERT_EQ(0, ret); |
| |
| { |
| Parcel data, reply; |
| uint8_t writebuf[1] = { write_value }; |
| |
| ret = data.writeFileDescriptor(pipefd[1], true); |
| EXPECT_EQ(NO_ERROR, ret); |
| |
| ret = data.writeInt32(sizeof(writebuf)); |
| EXPECT_EQ(NO_ERROR, ret); |
| |
| ret = data.write(writebuf, sizeof(writebuf)); |
| EXPECT_EQ(NO_ERROR, ret); |
| |
| ret = m_server->transact(BINDER_LIB_TEST_WRITE_FILE_TRANSACTION, data, &reply); |
| EXPECT_EQ(NO_ERROR, ret); |
| } |
| |
| ret = read(pipefd[0], buf, sizeof(buf)); |
| EXPECT_EQ(sizeof(buf), (size_t)ret); |
| EXPECT_EQ(write_value, buf[0]); |
| |
| waitForReadData(pipefd[0], 5000); /* wait for other proccess to close pipe */ |
| |
| ret = read(pipefd[0], buf, sizeof(buf)); |
| EXPECT_EQ(0, ret); |
| |
| close(pipefd[0]); |
| } |
| |
| TEST_F(BinderLibTest, PassParcelFileDescriptor) { |
| const int datasize = 123; |
| std::vector<uint8_t> writebuf(datasize); |
| for (size_t i = 0; i < writebuf.size(); ++i) { |
| writebuf[i] = i; |
| } |
| |
| android::base::unique_fd read_end, write_end; |
| { |
| int pipefd[2]; |
| ASSERT_EQ(0, pipe2(pipefd, O_NONBLOCK)); |
| read_end.reset(pipefd[0]); |
| write_end.reset(pipefd[1]); |
| } |
| { |
| Parcel data; |
| EXPECT_EQ(NO_ERROR, data.writeDupParcelFileDescriptor(write_end.get())); |
| write_end.reset(); |
| EXPECT_EQ(NO_ERROR, data.writeInt32(datasize)); |
| EXPECT_EQ(NO_ERROR, data.write(writebuf.data(), datasize)); |
| |
| Parcel reply; |
| EXPECT_EQ(NO_ERROR, |
| m_server->transact(BINDER_LIB_TEST_WRITE_PARCEL_FILE_DESCRIPTOR_TRANSACTION, data, |
| &reply)); |
| } |
| std::vector<uint8_t> readbuf(datasize); |
| EXPECT_EQ(datasize, read(read_end.get(), readbuf.data(), datasize)); |
| EXPECT_EQ(writebuf, readbuf); |
| |
| waitForReadData(read_end.get(), 5000); /* wait for other proccess to close pipe */ |
| |
| EXPECT_EQ(0, read(read_end.get(), readbuf.data(), datasize)); |
| } |
| |
| TEST_F(BinderLibTest, PromoteLocal) { |
| sp<IBinder> strong = new BBinder(); |
| wp<IBinder> weak = strong; |
| sp<IBinder> strong_from_weak = weak.promote(); |
| EXPECT_TRUE(strong != nullptr); |
| EXPECT_EQ(strong, strong_from_weak); |
| strong = nullptr; |
| strong_from_weak = nullptr; |
| strong_from_weak = weak.promote(); |
| EXPECT_TRUE(strong_from_weak == nullptr); |
| } |
| |
| TEST_F(BinderLibTest, LocalGetExtension) { |
| sp<BBinder> binder = new BBinder(); |
| sp<IBinder> ext = new BBinder(); |
| binder->setExtension(ext); |
| EXPECT_EQ(ext, binder->getExtension()); |
| } |
| |
| TEST_F(BinderLibTest, RemoteGetExtension) { |
| sp<IBinder> server = addServer(); |
| ASSERT_TRUE(server != nullptr); |
| |
| sp<IBinder> extension; |
| EXPECT_EQ(NO_ERROR, server->getExtension(&extension)); |
| ASSERT_NE(nullptr, extension.get()); |
| |
| EXPECT_EQ(NO_ERROR, extension->pingBinder()); |
| } |
| |
| TEST_F(BinderLibTest, CheckHandleZeroBinderHighBitsZeroCookie) { |
| status_t ret; |
| Parcel data, reply; |
| |
| ret = m_server->transact(BINDER_LIB_TEST_GET_SELF_TRANSACTION, data, &reply); |
| EXPECT_EQ(NO_ERROR, ret); |
| |
| const flat_binder_object *fb = reply.readObject(false); |
| ASSERT_TRUE(fb != nullptr); |
| EXPECT_EQ(BINDER_TYPE_HANDLE, fb->hdr.type); |
| EXPECT_EQ(m_server, ProcessState::self()->getStrongProxyForHandle(fb->handle)); |
| EXPECT_EQ((binder_uintptr_t)0, fb->cookie); |
| EXPECT_EQ((uint64_t)0, (uint64_t)fb->binder >> 32); |
| } |
| |
| TEST_F(BinderLibTest, FreedBinder) { |
| status_t ret; |
| |
| sp<IBinder> server = addServer(); |
| ASSERT_TRUE(server != nullptr); |
| |
| __u32 freedHandle; |
| wp<IBinder> keepFreedBinder; |
| { |
| Parcel data, reply; |
| ret = server->transact(BINDER_LIB_TEST_CREATE_BINDER_TRANSACTION, data, &reply); |
| ASSERT_EQ(NO_ERROR, ret); |
| struct flat_binder_object *freed = (struct flat_binder_object *)(reply.data()); |
| freedHandle = freed->handle; |
| /* Add a weak ref to the freed binder so the driver does not |
| * delete its reference to it - otherwise the transaction |
| * fails regardless of whether the driver is fixed. |
| */ |
| keepFreedBinder = reply.readStrongBinder(); |
| } |
| IPCThreadState::self()->flushCommands(); |
| { |
| Parcel data, reply; |
| data.writeStrongBinder(server); |
| /* Replace original handle with handle to the freed binder */ |
| struct flat_binder_object *strong = (struct flat_binder_object *)(data.data()); |
| __u32 oldHandle = strong->handle; |
| strong->handle = freedHandle; |
| ret = server->transact(BINDER_LIB_TEST_ADD_STRONG_REF_TRANSACTION, data, &reply); |
| /* Returns DEAD_OBJECT (-32) if target crashes and |
| * FAILED_TRANSACTION if the driver rejects the invalid |
| * object. |
| */ |
| EXPECT_EQ((status_t)FAILED_TRANSACTION, ret); |
| /* Restore original handle so parcel destructor does not use |
| * the wrong handle. |
| */ |
| strong->handle = oldHandle; |
| } |
| } |
| |
| TEST_F(BinderLibTest, CheckNoHeaderMappedInUser) { |
| status_t ret; |
| Parcel data, reply; |
| sp<BinderLibTestCallBack> callBack = new BinderLibTestCallBack(); |
| for (int i = 0; i < 2; i++) { |
| BinderLibTestBundle datai; |
| datai.appendFrom(&data, 0, data.dataSize()); |
| |
| data.freeData(); |
| data.writeInt32(1); |
| data.writeStrongBinder(callBack); |
| data.writeInt32(BINDER_LIB_TEST_CALL_BACK_VERIFY_BUF); |
| |
| datai.appendTo(&data); |
| } |
| ret = m_server->transact(BINDER_LIB_TEST_INDIRECT_TRANSACTION, data, &reply); |
| EXPECT_EQ(NO_ERROR, ret); |
| } |
| |
| TEST_F(BinderLibTest, OnewayQueueing) |
| { |
| status_t ret; |
| Parcel data, data2; |
| |
| sp<IBinder> pollServer = addPollServer(); |
| |
| sp<BinderLibTestCallBack> callBack = new BinderLibTestCallBack(); |
| data.writeStrongBinder(callBack); |
| data.writeInt32(500000); // delay in us before calling back |
| |
| sp<BinderLibTestCallBack> callBack2 = new BinderLibTestCallBack(); |
| data2.writeStrongBinder(callBack2); |
| data2.writeInt32(0); // delay in us |
| |
| ret = pollServer->transact(BINDER_LIB_TEST_DELAYED_CALL_BACK, data, nullptr, TF_ONE_WAY); |
| EXPECT_EQ(NO_ERROR, ret); |
| |
| // The delay ensures that this second transaction will end up on the async_todo list |
| // (for a single-threaded server) |
| ret = pollServer->transact(BINDER_LIB_TEST_DELAYED_CALL_BACK, data2, nullptr, TF_ONE_WAY); |
| EXPECT_EQ(NO_ERROR, ret); |
| |
| // The server will ensure that the two transactions are handled in the expected order; |
| // If the ordering is not as expected, an error will be returned through the callbacks. |
| ret = callBack->waitEvent(2); |
| EXPECT_EQ(NO_ERROR, ret); |
| ret = callBack->getResult(); |
| EXPECT_EQ(NO_ERROR, ret); |
| |
| ret = callBack2->waitEvent(2); |
| EXPECT_EQ(NO_ERROR, ret); |
| ret = callBack2->getResult(); |
| EXPECT_EQ(NO_ERROR, ret); |
| } |
| |
| TEST_F(BinderLibTest, WorkSourceUnsetByDefault) |
| { |
| status_t ret; |
| Parcel data, reply; |
| data.writeInterfaceToken(binderLibTestServiceName); |
| ret = m_server->transact(BINDER_LIB_TEST_GET_WORK_SOURCE_TRANSACTION, data, &reply); |
| EXPECT_EQ(-1, reply.readInt32()); |
| EXPECT_EQ(NO_ERROR, ret); |
| } |
| |
| TEST_F(BinderLibTest, WorkSourceSet) |
| { |
| status_t ret; |
| Parcel data, reply; |
| IPCThreadState::self()->clearCallingWorkSource(); |
| int64_t previousWorkSource = IPCThreadState::self()->setCallingWorkSourceUid(100); |
| data.writeInterfaceToken(binderLibTestServiceName); |
| ret = m_server->transact(BINDER_LIB_TEST_GET_WORK_SOURCE_TRANSACTION, data, &reply); |
| EXPECT_EQ(100, reply.readInt32()); |
| EXPECT_EQ(-1, previousWorkSource); |
| EXPECT_EQ(true, IPCThreadState::self()->shouldPropagateWorkSource()); |
| EXPECT_EQ(NO_ERROR, ret); |
| } |
| |
| TEST_F(BinderLibTest, WorkSourceSetWithoutPropagation) |
| { |
| status_t ret; |
| Parcel data, reply; |
| |
| IPCThreadState::self()->setCallingWorkSourceUidWithoutPropagation(100); |
| EXPECT_EQ(false, IPCThreadState::self()->shouldPropagateWorkSource()); |
| |
| data.writeInterfaceToken(binderLibTestServiceName); |
| ret = m_server->transact(BINDER_LIB_TEST_GET_WORK_SOURCE_TRANSACTION, data, &reply); |
| EXPECT_EQ(-1, reply.readInt32()); |
| EXPECT_EQ(false, IPCThreadState::self()->shouldPropagateWorkSource()); |
| EXPECT_EQ(NO_ERROR, ret); |
| } |
| |
| TEST_F(BinderLibTest, WorkSourceCleared) |
| { |
| status_t ret; |
| Parcel data, reply; |
| |
| IPCThreadState::self()->setCallingWorkSourceUid(100); |
| int64_t token = IPCThreadState::self()->clearCallingWorkSource(); |
| int32_t previousWorkSource = (int32_t)token; |
| data.writeInterfaceToken(binderLibTestServiceName); |
| ret = m_server->transact(BINDER_LIB_TEST_GET_WORK_SOURCE_TRANSACTION, data, &reply); |
| |
| EXPECT_EQ(-1, reply.readInt32()); |
| EXPECT_EQ(100, previousWorkSource); |
| EXPECT_EQ(NO_ERROR, ret); |
| } |
| |
| TEST_F(BinderLibTest, WorkSourceRestored) |
| { |
| status_t ret; |
| Parcel data, reply; |
| |
| IPCThreadState::self()->setCallingWorkSourceUid(100); |
| int64_t token = IPCThreadState::self()->clearCallingWorkSource(); |
| IPCThreadState::self()->restoreCallingWorkSource(token); |
| |
| data.writeInterfaceToken(binderLibTestServiceName); |
| ret = m_server->transact(BINDER_LIB_TEST_GET_WORK_SOURCE_TRANSACTION, data, &reply); |
| |
| EXPECT_EQ(100, reply.readInt32()); |
| EXPECT_EQ(true, IPCThreadState::self()->shouldPropagateWorkSource()); |
| EXPECT_EQ(NO_ERROR, ret); |
| } |
| |
| TEST_F(BinderLibTest, PropagateFlagSet) |
| { |
| IPCThreadState::self()->clearPropagateWorkSource(); |
| IPCThreadState::self()->setCallingWorkSourceUid(100); |
| EXPECT_EQ(true, IPCThreadState::self()->shouldPropagateWorkSource()); |
| } |
| |
| TEST_F(BinderLibTest, PropagateFlagCleared) |
| { |
| IPCThreadState::self()->setCallingWorkSourceUid(100); |
| IPCThreadState::self()->clearPropagateWorkSource(); |
| EXPECT_EQ(false, IPCThreadState::self()->shouldPropagateWorkSource()); |
| } |
| |
| TEST_F(BinderLibTest, PropagateFlagRestored) |
| { |
| int token = IPCThreadState::self()->setCallingWorkSourceUid(100); |
| IPCThreadState::self()->restoreCallingWorkSource(token); |
| |
| EXPECT_EQ(false, IPCThreadState::self()->shouldPropagateWorkSource()); |
| } |
| |
| TEST_F(BinderLibTest, WorkSourcePropagatedForAllFollowingBinderCalls) |
| { |
| IPCThreadState::self()->setCallingWorkSourceUid(100); |
| |
| Parcel data, reply; |
| status_t ret; |
| data.writeInterfaceToken(binderLibTestServiceName); |
| ret = m_server->transact(BINDER_LIB_TEST_GET_WORK_SOURCE_TRANSACTION, data, &reply); |
| |
| Parcel data2, reply2; |
| status_t ret2; |
| data2.writeInterfaceToken(binderLibTestServiceName); |
| ret2 = m_server->transact(BINDER_LIB_TEST_GET_WORK_SOURCE_TRANSACTION, data2, &reply2); |
| EXPECT_EQ(100, reply2.readInt32()); |
| EXPECT_EQ(NO_ERROR, ret2); |
| } |
| |
| TEST_F(BinderLibTest, SchedPolicySet) { |
| sp<IBinder> server = addServer(); |
| ASSERT_TRUE(server != nullptr); |
| |
| Parcel data, reply; |
| status_t ret = server->transact(BINDER_LIB_TEST_GET_SCHEDULING_POLICY, data, &reply); |
| EXPECT_EQ(NO_ERROR, ret); |
| |
| int policy = reply.readInt32(); |
| int priority = reply.readInt32(); |
| |
| EXPECT_EQ(kSchedPolicy, policy & (~SCHED_RESET_ON_FORK)); |
| EXPECT_EQ(kSchedPriority, priority); |
| } |
| |
| |
| TEST_F(BinderLibTest, VectorSent) { |
| Parcel data, reply; |
| sp<IBinder> server = addServer(); |
| ASSERT_TRUE(server != nullptr); |
| |
| std::vector<uint64_t> const testValue = { std::numeric_limits<uint64_t>::max(), 0, 200 }; |
| data.writeUint64Vector(testValue); |
| |
| status_t ret = server->transact(BINDER_LIB_TEST_ECHO_VECTOR, data, &reply); |
| EXPECT_EQ(NO_ERROR, ret); |
| std::vector<uint64_t> readValue; |
| ret = reply.readUint64Vector(&readValue); |
| EXPECT_EQ(readValue, testValue); |
| } |
| |
| TEST_F(BinderLibTest, BufRejected) { |
| Parcel data, reply; |
| uint32_t buf; |
| sp<IBinder> server = addServer(); |
| ASSERT_TRUE(server != nullptr); |
| |
| binder_buffer_object obj { |
| .hdr = { .type = BINDER_TYPE_PTR }, |
| .flags = 0, |
| .buffer = reinterpret_cast<binder_uintptr_t>((void*)&buf), |
| .length = 4, |
| }; |
| data.setDataCapacity(1024); |
| // Write a bogus object at offset 0 to get an entry in the offset table |
| data.writeFileDescriptor(0); |
| EXPECT_EQ(data.objectsCount(), 1); |
| uint8_t *parcelData = const_cast<uint8_t*>(data.data()); |
| // And now, overwrite it with the buffer object |
| memcpy(parcelData, &obj, sizeof(obj)); |
| data.setDataSize(sizeof(obj)); |
| |
| status_t ret = server->transact(BINDER_LIB_TEST_REJECT_BUF, data, &reply); |
| // Either the kernel should reject this transaction (if it's correct), but |
| // if it's not, the server implementation should return an error if it |
| // finds an object in the received Parcel. |
| EXPECT_NE(NO_ERROR, ret); |
| } |
| |
| class BinderLibTestService : public BBinder |
| { |
| public: |
| explicit BinderLibTestService(int32_t id) |
| : m_id(id) |
| , m_nextServerId(id + 1) |
| , m_serverStartRequested(false) |
| , m_callback(nullptr) |
| { |
| pthread_mutex_init(&m_serverWaitMutex, nullptr); |
| pthread_cond_init(&m_serverWaitCond, nullptr); |
| } |
| ~BinderLibTestService() |
| { |
| exit(EXIT_SUCCESS); |
| } |
| |
| void processPendingCall() { |
| if (m_callback != nullptr) { |
| Parcel data; |
| data.writeInt32(NO_ERROR); |
| m_callback->transact(BINDER_LIB_TEST_CALL_BACK, data, nullptr, TF_ONE_WAY); |
| m_callback = nullptr; |
| } |
| } |
| |
| virtual status_t onTransact(uint32_t code, |
| const Parcel& data, Parcel* reply, |
| uint32_t flags = 0) { |
| //printf("%s: code %d\n", __func__, code); |
| (void)flags; |
| |
| if (getuid() != (uid_t)IPCThreadState::self()->getCallingUid()) { |
| return PERMISSION_DENIED; |
| } |
| switch (code) { |
| case BINDER_LIB_TEST_REGISTER_SERVER: { |
| int32_t id; |
| sp<IBinder> binder; |
| id = data.readInt32(); |
| binder = data.readStrongBinder(); |
| if (binder == nullptr) { |
| return BAD_VALUE; |
| } |
| |
| if (m_id != 0) |
| return INVALID_OPERATION; |
| |
| pthread_mutex_lock(&m_serverWaitMutex); |
| if (m_serverStartRequested) { |
| m_serverStartRequested = false; |
| m_serverStarted = binder; |
| pthread_cond_signal(&m_serverWaitCond); |
| } |
| pthread_mutex_unlock(&m_serverWaitMutex); |
| return NO_ERROR; |
| } |
| case BINDER_LIB_TEST_ADD_POLL_SERVER: |
| case BINDER_LIB_TEST_ADD_SERVER: { |
| int ret; |
| int serverid; |
| |
| if (m_id != 0) { |
| return INVALID_OPERATION; |
| } |
| pthread_mutex_lock(&m_serverWaitMutex); |
| if (m_serverStartRequested) { |
| ret = -EBUSY; |
| } else { |
| serverid = m_nextServerId++; |
| m_serverStartRequested = true; |
| bool usePoll = code == BINDER_LIB_TEST_ADD_POLL_SERVER; |
| |
| pthread_mutex_unlock(&m_serverWaitMutex); |
| ret = start_server_process(serverid, usePoll); |
| pthread_mutex_lock(&m_serverWaitMutex); |
| } |
| if (ret > 0) { |
| if (m_serverStartRequested) { |
| struct timespec ts; |
| clock_gettime(CLOCK_REALTIME, &ts); |
| ts.tv_sec += 5; |
| ret = pthread_cond_timedwait(&m_serverWaitCond, &m_serverWaitMutex, &ts); |
| } |
| if (m_serverStartRequested) { |
| m_serverStartRequested = false; |
| ret = -ETIMEDOUT; |
| } else { |
| reply->writeStrongBinder(m_serverStarted); |
| reply->writeInt32(serverid); |
| m_serverStarted = nullptr; |
| ret = NO_ERROR; |
| } |
| } else if (ret >= 0) { |
| m_serverStartRequested = false; |
| ret = UNKNOWN_ERROR; |
| } |
| pthread_mutex_unlock(&m_serverWaitMutex); |
| return ret; |
| } |
| case BINDER_LIB_TEST_NOP_TRANSACTION: |
| return NO_ERROR; |
| case BINDER_LIB_TEST_DELAYED_CALL_BACK: { |
| // Note: this transaction is only designed for use with a |
| // poll() server. See comments around epoll_wait(). |
| if (m_callback != nullptr) { |
| // A callback was already pending; this means that |
| // we received a second call while still processing |
| // the first one. Fail the test. |
| sp<IBinder> callback = data.readStrongBinder(); |
| Parcel data2; |
| data2.writeInt32(UNKNOWN_ERROR); |
| |
| callback->transact(BINDER_LIB_TEST_CALL_BACK, data2, nullptr, TF_ONE_WAY); |
| } else { |
| m_callback = data.readStrongBinder(); |
| int32_t delayUs = data.readInt32(); |
| /* |
| * It's necessary that we sleep here, so the next |
| * transaction the caller makes will be queued to |
| * the async queue. |
| */ |
| usleep(delayUs); |
| |
| /* |
| * Now when we return, libbinder will tell the kernel |
| * we are done with this transaction, and the kernel |
| * can move the queued transaction to either the |
| * thread todo worklist (for kernels without the fix), |
| * or the proc todo worklist. In case of the former, |
| * the next outbound call will pick up the pending |
| * transaction, which leads to undesired reentrant |
| * behavior. This is caught in the if() branch above. |
| */ |
| } |
| |
| return NO_ERROR; |
| } |
| case BINDER_LIB_TEST_NOP_CALL_BACK: { |
| Parcel data2, reply2; |
| sp<IBinder> binder; |
| binder = data.readStrongBinder(); |
| if (binder == nullptr) { |
| return BAD_VALUE; |
| } |
| data2.writeInt32(NO_ERROR); |
| binder->transact(BINDER_LIB_TEST_CALL_BACK, data2, &reply2); |
| return NO_ERROR; |
| } |
| case BINDER_LIB_TEST_GET_SELF_TRANSACTION: |
| reply->writeStrongBinder(this); |
| return NO_ERROR; |
| case BINDER_LIB_TEST_GET_ID_TRANSACTION: |
| reply->writeInt32(m_id); |
| return NO_ERROR; |
| case BINDER_LIB_TEST_INDIRECT_TRANSACTION: { |
| int32_t count; |
| uint32_t indirect_code; |
| sp<IBinder> binder; |
| |
| count = data.readInt32(); |
| reply->writeInt32(m_id); |
| reply->writeInt32(count); |
| for (int i = 0; i < count; i++) { |
| binder = data.readStrongBinder(); |
| if (binder == nullptr) { |
| return BAD_VALUE; |
| } |
| indirect_code = data.readInt32(); |
| BinderLibTestBundle data2(&data); |
| if (!data2.isValid()) { |
| return BAD_VALUE; |
| } |
| BinderLibTestBundle reply2; |
| binder->transact(indirect_code, data2, &reply2); |
| reply2.appendTo(reply); |
| } |
| return NO_ERROR; |
| } |
| case BINDER_LIB_TEST_SET_ERROR_TRANSACTION: |
| reply->setError(data.readInt32()); |
| return NO_ERROR; |
| case BINDER_LIB_TEST_GET_PTR_SIZE_TRANSACTION: |
| reply->writeInt32(sizeof(void *)); |
| return NO_ERROR; |
| case BINDER_LIB_TEST_GET_STATUS_TRANSACTION: |
| return NO_ERROR; |
| case BINDER_LIB_TEST_ADD_STRONG_REF_TRANSACTION: |
| m_strongRef = data.readStrongBinder(); |
| return NO_ERROR; |
| case BINDER_LIB_TEST_LINK_DEATH_TRANSACTION: { |
| int ret; |
| Parcel data2, reply2; |
| sp<TestDeathRecipient> testDeathRecipient = new TestDeathRecipient(); |
| sp<IBinder> target; |
| sp<IBinder> callback; |
| |
| target = data.readStrongBinder(); |
| if (target == nullptr) { |
| return BAD_VALUE; |
| } |
| callback = data.readStrongBinder(); |
| if (callback == nullptr) { |
| return BAD_VALUE; |
| } |
| ret = target->linkToDeath(testDeathRecipient); |
| if (ret == NO_ERROR) |
| ret = testDeathRecipient->waitEvent(5); |
| data2.writeInt32(ret); |
| callback->transact(BINDER_LIB_TEST_CALL_BACK, data2, &reply2); |
| return NO_ERROR; |
| } |
| case BINDER_LIB_TEST_WRITE_FILE_TRANSACTION: { |
| int ret; |
| int32_t size; |
| const void *buf; |
| int fd; |
| |
| fd = data.readFileDescriptor(); |
| if (fd < 0) { |
| return BAD_VALUE; |
| } |
| ret = data.readInt32(&size); |
| if (ret != NO_ERROR) { |
| return ret; |
| } |
| buf = data.readInplace(size); |
| if (buf == nullptr) { |
| return BAD_VALUE; |
| } |
| ret = write(fd, buf, size); |
| if (ret != size) |
| return UNKNOWN_ERROR; |
| return NO_ERROR; |
| } |
| case BINDER_LIB_TEST_WRITE_PARCEL_FILE_DESCRIPTOR_TRANSACTION: { |
| int ret; |
| int32_t size; |
| const void *buf; |
| android::base::unique_fd fd; |
| |
| ret = data.readUniqueParcelFileDescriptor(&fd); |
| if (ret != NO_ERROR) { |
| return ret; |
| } |
| ret = data.readInt32(&size); |
| if (ret != NO_ERROR) { |
| return ret; |
| } |
| buf = data.readInplace(size); |
| if (buf == nullptr) { |
| return BAD_VALUE; |
| } |
| ret = write(fd.get(), buf, size); |
| if (ret != size) return UNKNOWN_ERROR; |
| return NO_ERROR; |
| } |
| case BINDER_LIB_TEST_DELAYED_EXIT_TRANSACTION: |
| alarm(10); |
| return NO_ERROR; |
| case BINDER_LIB_TEST_EXIT_TRANSACTION: |
| while (wait(nullptr) != -1 || errno != ECHILD) |
| ; |
| exit(EXIT_SUCCESS); |
| case BINDER_LIB_TEST_CREATE_BINDER_TRANSACTION: { |
| sp<IBinder> binder = new BBinder(); |
| reply->writeStrongBinder(binder); |
| return NO_ERROR; |
| } |
| case BINDER_LIB_TEST_GET_WORK_SOURCE_TRANSACTION: { |
| data.enforceInterface(binderLibTestServiceName); |
| reply->writeInt32(IPCThreadState::self()->getCallingWorkSourceUid()); |
| return NO_ERROR; |
| } |
| case BINDER_LIB_TEST_GET_SCHEDULING_POLICY: { |
| int policy = 0; |
| sched_param param; |
| if (0 != pthread_getschedparam(pthread_self(), &policy, ¶m)) { |
| return UNKNOWN_ERROR; |
| } |
| reply->writeInt32(policy); |
| reply->writeInt32(param.sched_priority); |
| return NO_ERROR; |
| } |
| case BINDER_LIB_TEST_ECHO_VECTOR: { |
| std::vector<uint64_t> vector; |
| auto err = data.readUint64Vector(&vector); |
| if (err != NO_ERROR) |
| return err; |
| reply->writeUint64Vector(vector); |
| return NO_ERROR; |
| } |
| case BINDER_LIB_TEST_REJECT_BUF: { |
| return data.objectsCount() == 0 ? BAD_VALUE : NO_ERROR; |
| } |
| default: |
| return UNKNOWN_TRANSACTION; |
| }; |
| } |
| private: |
| int32_t m_id; |
| int32_t m_nextServerId; |
| pthread_mutex_t m_serverWaitMutex; |
| pthread_cond_t m_serverWaitCond; |
| bool m_serverStartRequested; |
| sp<IBinder> m_serverStarted; |
| sp<IBinder> m_strongRef; |
| sp<IBinder> m_callback; |
| }; |
| |
| int run_server(int index, int readypipefd, bool usePoll) |
| { |
| binderLibTestServiceName += String16(binderserversuffix); |
| |
| status_t ret; |
| sp<IServiceManager> sm = defaultServiceManager(); |
| BinderLibTestService* testServicePtr; |
| { |
| sp<BinderLibTestService> testService = new BinderLibTestService(index); |
| |
| testService->setMinSchedulerPolicy(kSchedPolicy, kSchedPriority); |
| |
| /* |
| * Normally would also contain functionality as well, but we are only |
| * testing the extension mechanism. |
| */ |
| testService->setExtension(new BBinder()); |
| |
| // Required for test "BufRejected' |
| testService->setRequestingSid(true); |
| |
| /* |
| * We need this below, but can't hold a sp<> because it prevents the |
| * node from being cleaned up automatically. It's safe in this case |
| * because of how the tests are written. |
| */ |
| testServicePtr = testService.get(); |
| |
| if (index == 0) { |
| ret = sm->addService(binderLibTestServiceName, testService); |
| } else { |
| sp<IBinder> server = sm->getService(binderLibTestServiceName); |
| Parcel data, reply; |
| data.writeInt32(index); |
| data.writeStrongBinder(testService); |
| |
| ret = server->transact(BINDER_LIB_TEST_REGISTER_SERVER, data, &reply); |
| } |
| } |
| write(readypipefd, &ret, sizeof(ret)); |
| close(readypipefd); |
| //printf("%s: ret %d\n", __func__, ret); |
| if (ret) |
| return 1; |
| //printf("%s: joinThreadPool\n", __func__); |
| if (usePoll) { |
| int fd; |
| struct epoll_event ev; |
| int epoll_fd; |
| IPCThreadState::self()->setupPolling(&fd); |
| if (fd < 0) { |
| return 1; |
| } |
| IPCThreadState::self()->flushCommands(); // flush BC_ENTER_LOOPER |
| |
| epoll_fd = epoll_create1(EPOLL_CLOEXEC); |
| if (epoll_fd == -1) { |
| return 1; |
| } |
| |
| ev.events = EPOLLIN; |
| if (epoll_ctl(epoll_fd, EPOLL_CTL_ADD, fd, &ev) == -1) { |
| return 1; |
| } |
| |
| while (1) { |
| /* |
| * We simulate a single-threaded process using the binder poll |
| * interface; besides handling binder commands, it can also |
| * issue outgoing transactions, by storing a callback in |
| * m_callback. |
| * |
| * processPendingCall() will then issue that transaction. |
| */ |
| struct epoll_event events[1]; |
| int numEvents = epoll_wait(epoll_fd, events, 1, 1000); |
| if (numEvents < 0) { |
| if (errno == EINTR) { |
| continue; |
| } |
| return 1; |
| } |
| if (numEvents > 0) { |
| IPCThreadState::self()->handlePolledCommands(); |
| IPCThreadState::self()->flushCommands(); // flush BC_FREE_BUFFER |
| testServicePtr->processPendingCall(); |
| } |
| } |
| } else { |
| ProcessState::self()->startThreadPool(); |
| IPCThreadState::self()->joinThreadPool(); |
| } |
| //printf("%s: joinThreadPool returned\n", __func__); |
| return 1; /* joinThreadPool should not return */ |
| } |
| |
| int main(int argc, char **argv) { |
| ExitIfWrongAbi(); |
| |
| if (argc == 4 && !strcmp(argv[1], "--servername")) { |
| binderservername = argv[2]; |
| } else { |
| binderservername = argv[0]; |
| } |
| |
| if (argc == 6 && !strcmp(argv[1], binderserverarg)) { |
| binderserversuffix = argv[5]; |
| return run_server(atoi(argv[2]), atoi(argv[3]), atoi(argv[4]) == 1); |
| } |
| binderserversuffix = new char[16]; |
| snprintf(binderserversuffix, 16, "%d", getpid()); |
| binderLibTestServiceName += String16(binderserversuffix); |
| |
| ::testing::InitGoogleTest(&argc, argv); |
| binder_env = AddGlobalTestEnvironment(new BinderLibTestEnv()); |
| ProcessState::self()->startThreadPool(); |
| return RUN_ALL_TESTS(); |
| } |
