Merge "Revert "libbinder: Choose the binder driver at runtime based on system/vendor process.""
diff --git a/cmds/dumpstate/dumpstate.cpp b/cmds/dumpstate/dumpstate.cpp
index 3c47767..51b2307 100644
--- a/cmds/dumpstate/dumpstate.cpp
+++ b/cmds/dumpstate/dumpstate.cpp
@@ -54,7 +54,9 @@
#include <android/os/IIncidentCompanion.h>
#include <cutils/native_handle.h>
#include <cutils/properties.h>
+#include <debuggerd/client.h>
#include <dumpsys.h>
+#include <dumputils/dump_utils.h>
#include <hidl/ServiceManagement.h>
#include <openssl/sha.h>
#include <private/android_filesystem_config.h>
@@ -1184,6 +1186,15 @@
}
static void DumpHals() {
+ if (!ds.IsZipping()) {
+ RunCommand("HARDWARE HALS", {"lshal", "-lVSietrpc", "--types=b,c,l,z", "--debug"},
+ CommandOptions::WithTimeout(10).AsRootIfAvailable().Build());
+ return;
+ }
+ DurationReporter duration_reporter("DUMP HALS");
+ RunCommand("HARDWARE HALS", {"lshal", "-lVSietrpc", "--types=b,c,l,z"},
+ CommandOptions::WithTimeout(2).AsRootIfAvailable().Build());
+
using android::hidl::manager::V1_0::IServiceManager;
using android::hardware::defaultServiceManager;
@@ -1260,14 +1271,7 @@
{"ps", "-A", "-T", "-Z", "-O", "pri,nice,rtprio,sched,pcy,time"});
RunCommand("LIBRANK", {"librank"}, CommandOptions::AS_ROOT);
- if (ds.IsZipping()) {
- RunCommand("HARDWARE HALS", {"lshal", "-lVSietrpc", "--types=b,c,l,z"},
- CommandOptions::WithTimeout(2).AsRootIfAvailable().Build());
- DumpHals();
- } else {
- RunCommand("HARDWARE HALS", {"lshal", "-lVSietrpc", "--types=b,c,l,z", "--debug"},
- CommandOptions::WithTimeout(10).AsRootIfAvailable().Build());
- }
+ DumpHals();
RunCommand("PRINTENV", {"printenv"});
RunCommand("NETSTAT", {"netstat", "-nW"});
@@ -1444,7 +1448,7 @@
RunDumpsysCritical();
/* collect stack traces from Dalvik and native processes (needs root) */
- dump_traces_path = dump_traces();
+ dump_traces_path = ds.DumpTraces();
/* Run some operations that require root. */
ds.tombstone_data_ = GetDumpFds(TOMBSTONE_DIR, TOMBSTONE_FILE_PREFIX, !ds.IsZipping());
@@ -1567,20 +1571,121 @@
RunDumpsys("DUMPSYS", {"wifi"}, CommandOptions::WithTimeout(90).Build(),
SEC_TO_MSEC(10));
- if (ds.IsZipping()) {
- RunCommand("HARDWARE HALS", {"lshal", "-lVSietrpc", "--types=b,c,l,z"},
- CommandOptions::WithTimeout(2).AsRootIfAvailable().Build());
- DumpHals();
- } else {
- RunCommand("HARDWARE HALS", {"lshal", "-lVSietrpc", "--types=b,c,l,z", "--debug"},
- CommandOptions::WithTimeout(10).AsRootIfAvailable().Build());
- }
+ DumpHals();
printf("========================================================\n");
printf("== dumpstate: done (id %d)\n", ds.id_);
printf("========================================================\n");
}
+const char* Dumpstate::DumpTraces() {
+ DurationReporter duration_reporter("DUMP TRACES");
+
+ const std::string temp_file_pattern = "/data/anr/dumptrace_XXXXXX";
+ const size_t buf_size = temp_file_pattern.length() + 1;
+ std::unique_ptr<char[]> file_name_buf(new char[buf_size]);
+ memcpy(file_name_buf.get(), temp_file_pattern.c_str(), buf_size);
+
+ // Create a new, empty file to receive all trace dumps.
+ //
+ // TODO: This can be simplified once we remove support for the old style
+ // dumps. We can have a file descriptor passed in to dump_traces instead
+ // of creating a file, closing it and then reopening it again.
+ android::base::unique_fd fd(mkostemp(file_name_buf.get(), O_APPEND | O_CLOEXEC));
+ if (fd < 0) {
+ MYLOGE("mkostemp on pattern %s: %s\n", file_name_buf.get(), strerror(errno));
+ return nullptr;
+ }
+
+ // Nobody should have access to this temporary file except dumpstate, but we
+ // temporarily grant 'read' to 'others' here because this file is created
+ // when tombstoned is still running as root, but dumped after dropping. This
+ // can go away once support for old style dumping has.
+ const int chmod_ret = fchmod(fd, 0666);
+ if (chmod_ret < 0) {
+ MYLOGE("fchmod on %s failed: %s\n", file_name_buf.get(), strerror(errno));
+ return nullptr;
+ }
+
+ std::unique_ptr<DIR, decltype(&closedir)> proc(opendir("/proc"), closedir);
+ if (proc.get() == nullptr) {
+ MYLOGE("opendir /proc failed: %s\n", strerror(errno));
+ return nullptr;
+ }
+
+ // Number of times process dumping has timed out. If we encounter too many
+ // failures, we'll give up.
+ int timeout_failures = 0;
+ bool dalvik_found = false;
+
+ const std::set<int> hal_pids = get_interesting_hal_pids();
+
+ struct dirent* d;
+ while ((d = readdir(proc.get()))) {
+ int pid = atoi(d->d_name);
+ if (pid <= 0) {
+ continue;
+ }
+
+ const std::string link_name = android::base::StringPrintf("/proc/%d/exe", pid);
+ std::string exe;
+ if (!android::base::Readlink(link_name, &exe)) {
+ continue;
+ }
+
+ bool is_java_process;
+ if (exe == "/system/bin/app_process32" || exe == "/system/bin/app_process64") {
+ // Don't bother dumping backtraces for the zygote.
+ if (IsZygote(pid)) {
+ continue;
+ }
+
+ dalvik_found = true;
+ is_java_process = true;
+ } else if (should_dump_native_traces(exe.c_str()) || hal_pids.find(pid) != hal_pids.end()) {
+ is_java_process = false;
+ } else {
+ // Probably a native process we don't care about, continue.
+ continue;
+ }
+
+ // If 3 backtrace dumps fail in a row, consider debuggerd dead.
+ if (timeout_failures == 3) {
+ dprintf(fd, "ERROR: Too many stack dump failures, exiting.\n");
+ break;
+ }
+
+ const uint64_t start = Nanotime();
+ const int ret = dump_backtrace_to_file_timeout(
+ pid, is_java_process ? kDebuggerdJavaBacktrace : kDebuggerdNativeBacktrace,
+ is_java_process ? 5 : 20, fd);
+
+ if (ret == -1) {
+ // For consistency, the header and footer to this message match those
+ // dumped by debuggerd in the success case.
+ dprintf(fd, "\n---- pid %d at [unknown] ----\n", pid);
+ dprintf(fd, "Dump failed, likely due to a timeout.\n");
+ dprintf(fd, "---- end %d ----", pid);
+ timeout_failures++;
+ continue;
+ }
+
+ // We've successfully dumped stack traces, reset the failure count
+ // and write a summary of the elapsed time to the file and continue with the
+ // next process.
+ timeout_failures = 0;
+
+ dprintf(fd, "[dump %s stack %d: %.3fs elapsed]\n", is_java_process ? "dalvik" : "native",
+ pid, (float)(Nanotime() - start) / NANOS_PER_SEC);
+ }
+
+ if (!dalvik_found) {
+ MYLOGE("Warning: no Dalvik processes found to dump stacks\n");
+ }
+
+ return file_name_buf.release();
+}
+
void Dumpstate::DumpstateBoard() {
DurationReporter duration_reporter("dumpstate_board()");
printf("========================================================\n");
diff --git a/cmds/dumpstate/dumpstate.h b/cmds/dumpstate/dumpstate.h
index c326bb6..603af71 100644
--- a/cmds/dumpstate/dumpstate.h
+++ b/cmds/dumpstate/dumpstate.h
@@ -73,13 +73,13 @@
*/
class DurationReporter {
public:
- explicit DurationReporter(const std::string& title, bool log_only = false);
+ explicit DurationReporter(const std::string& title, bool logcat_only = false);
~DurationReporter();
private:
std::string title_;
- bool log_only_;
+ bool logcat_only_;
uint64_t started_;
DISALLOW_COPY_AND_ASSIGN(DurationReporter);
@@ -291,6 +291,9 @@
// TODO: temporary method until Dumpstate object is properly set
void SetProgress(std::unique_ptr<Progress> progress);
+ // Dumps Dalvik and native stack traces, return the trace file location (nullptr if none).
+ const char* DumpTraces();
+
void DumpstateBoard();
/*
@@ -543,9 +546,6 @@
/* create leading directories, if necessary */
void create_parent_dirs(const char *path);
-/* dump Dalvik and native stack traces, return the trace file location (NULL if none) */
-const char *dump_traces();
-
/* for each process in the system, run the specified function */
void for_each_pid(for_each_pid_func func, const char *header);
diff --git a/cmds/dumpstate/utils.cpp b/cmds/dumpstate/utils.cpp
index 2a5516d..8b92988 100644
--- a/cmds/dumpstate/utils.cpp
+++ b/cmds/dumpstate/utils.cpp
@@ -50,8 +50,6 @@
#include <android-base/unique_fd.h>
#include <cutils/properties.h>
#include <cutils/sockets.h>
-#include <debuggerd/client.h>
-#include <dumputils/dump_utils.h>
#include <log/log.h>
#include <private/android_filesystem_config.h>
@@ -95,8 +93,8 @@
return singleton_;
}
-DurationReporter::DurationReporter(const std::string& title, bool log_only)
- : title_(title), log_only_(log_only) {
+DurationReporter::DurationReporter(const std::string& title, bool logcat_only)
+ : title_(title), logcat_only_(logcat_only) {
if (!title_.empty()) {
started_ = Nanotime();
}
@@ -105,15 +103,13 @@
DurationReporter::~DurationReporter() {
if (!title_.empty()) {
uint64_t elapsed = Nanotime() - started_;
- if (log_only_) {
- MYLOGD("Duration of '%s': %.3fs\n", title_.c_str(), (float)elapsed / NANOS_PER_SEC);
- } else {
- // TODO(124089395): Remove or rewrite when bugreport latency is fixed.
- MYLOGD("Duration of '%s': %.3fs\n", title_.c_str(), (float)elapsed / NANOS_PER_SEC);
- // Use "Yoda grammar" to make it easier to grep|sort sections.
- printf("------ %.3fs was the duration of '%s' ------\n", (float)elapsed / NANOS_PER_SEC,
- title_.c_str());
+ MYLOGD("Duration of '%s': %.3fs\n", title_.c_str(), (float)elapsed / NANOS_PER_SEC);
+ if (logcat_only_) {
+ return;
}
+ // Use "Yoda grammar" to make it easier to grep|sort sections.
+ printf("------ %.3fs was the duration of '%s' ------\n", (float)elapsed / NANOS_PER_SEC,
+ title_.c_str());
}
}
@@ -795,115 +791,6 @@
return _redirect_to_file(redirect, path, O_APPEND);
}
-// Dump Dalvik and native stack traces, return the trace file location (nullptr if none).
-const char* dump_traces() {
- DurationReporter duration_reporter("DUMP TRACES");
-
- const std::string temp_file_pattern = "/data/anr/dumptrace_XXXXXX";
- const size_t buf_size = temp_file_pattern.length() + 1;
- std::unique_ptr<char[]> file_name_buf(new char[buf_size]);
- memcpy(file_name_buf.get(), temp_file_pattern.c_str(), buf_size);
-
- // Create a new, empty file to receive all trace dumps.
- //
- // TODO: This can be simplified once we remove support for the old style
- // dumps. We can have a file descriptor passed in to dump_traces instead
- // of creating a file, closing it and then reopening it again.
- android::base::unique_fd fd(mkostemp(file_name_buf.get(), O_APPEND | O_CLOEXEC));
- if (fd < 0) {
- MYLOGE("mkostemp on pattern %s: %s\n", file_name_buf.get(), strerror(errno));
- return nullptr;
- }
-
- // Nobody should have access to this temporary file except dumpstate, but we
- // temporarily grant 'read' to 'others' here because this file is created
- // when tombstoned is still running as root, but dumped after dropping. This
- // can go away once support for old style dumping has.
- const int chmod_ret = fchmod(fd, 0666);
- if (chmod_ret < 0) {
- MYLOGE("fchmod on %s failed: %s\n", file_name_buf.get(), strerror(errno));
- return nullptr;
- }
-
- std::unique_ptr<DIR, decltype(&closedir)> proc(opendir("/proc"), closedir);
- if (proc.get() == nullptr) {
- MYLOGE("opendir /proc failed: %s\n", strerror(errno));
- return nullptr;
- }
-
- // Number of times process dumping has timed out. If we encounter too many
- // failures, we'll give up.
- int timeout_failures = 0;
- bool dalvik_found = false;
-
- const std::set<int> hal_pids = get_interesting_hal_pids();
-
- struct dirent* d;
- while ((d = readdir(proc.get()))) {
- int pid = atoi(d->d_name);
- if (pid <= 0) {
- continue;
- }
-
- const std::string link_name = android::base::StringPrintf("/proc/%d/exe", pid);
- std::string exe;
- if (!android::base::Readlink(link_name, &exe)) {
- continue;
- }
-
- bool is_java_process;
- if (exe == "/system/bin/app_process32" || exe == "/system/bin/app_process64") {
- // Don't bother dumping backtraces for the zygote.
- if (IsZygote(pid)) {
- continue;
- }
-
- dalvik_found = true;
- is_java_process = true;
- } else if (should_dump_native_traces(exe.c_str()) || hal_pids.find(pid) != hal_pids.end()) {
- is_java_process = false;
- } else {
- // Probably a native process we don't care about, continue.
- continue;
- }
-
- // If 3 backtrace dumps fail in a row, consider debuggerd dead.
- if (timeout_failures == 3) {
- dprintf(fd, "ERROR: Too many stack dump failures, exiting.\n");
- break;
- }
-
- const uint64_t start = Nanotime();
- const int ret = dump_backtrace_to_file_timeout(
- pid, is_java_process ? kDebuggerdJavaBacktrace : kDebuggerdNativeBacktrace,
- is_java_process ? 5 : 20, fd);
-
- if (ret == -1) {
- // For consistency, the header and footer to this message match those
- // dumped by debuggerd in the success case.
- dprintf(fd, "\n---- pid %d at [unknown] ----\n", pid);
- dprintf(fd, "Dump failed, likely due to a timeout.\n");
- dprintf(fd, "---- end %d ----", pid);
- timeout_failures++;
- continue;
- }
-
- // We've successfully dumped stack traces, reset the failure count
- // and write a summary of the elapsed time to the file and continue with the
- // next process.
- timeout_failures = 0;
-
- dprintf(fd, "[dump %s stack %d: %.3fs elapsed]\n", is_java_process ? "dalvik" : "native",
- pid, (float)(Nanotime() - start) / NANOS_PER_SEC);
- }
-
- if (!dalvik_found) {
- MYLOGE("Warning: no Dalvik processes found to dump stacks\n");
- }
-
- return file_name_buf.release();
-}
-
void dump_route_tables() {
DurationReporter duration_reporter("DUMP ROUTE TABLES");
if (PropertiesHelper::IsDryRun()) return;
diff --git a/cmds/installd/OWNERS b/cmds/installd/OWNERS
index 5d4f176..5673918 100644
--- a/cmds/installd/OWNERS
+++ b/cmds/installd/OWNERS
@@ -3,6 +3,8 @@
agampe@google.com
calin@google.com
jsharkey@android.com
+maco@google.com
mathieuc@google.com
+narayan@google.com
ngeoffray@google.com
toddke@google.com
diff --git a/include/input/InputTransport.h b/include/input/InputTransport.h
index 1ea2c2c..ecdc075 100644
--- a/include/input/InputTransport.h
+++ b/include/input/InputTransport.h
@@ -41,6 +41,13 @@
*
* Note that this structure is used for IPCs so its layout must be identical
* on 64 and 32 bit processes. This is tested in StructLayout_test.cpp.
+ *
+ * Since the struct must be aligned to an 8-byte boundary, there could be uninitialized bytes
+ * in-between the defined fields. This padding data should be explicitly accounted for by adding
+ * "empty" fields into the struct. This data is memset to zero before sending the struct across
+ * the socket. Adding the explicit fields ensures that the memset is not optimized away by the
+ * compiler. When a new field is added to the struct, the corresponding change
+ * in StructLayout_test should be made.
*/
struct InputMessage {
enum {
@@ -61,6 +68,7 @@
union Body {
struct Key {
uint32_t seq;
+ uint32_t empty1;
nsecs_t eventTime __attribute__((aligned(8)));
int32_t deviceId;
int32_t source;
@@ -71,6 +79,7 @@
int32_t scanCode;
int32_t metaState;
int32_t repeatCount;
+ uint32_t empty2;
nsecs_t downTime __attribute__((aligned(8)));
inline size_t size() const {
@@ -80,6 +89,7 @@
struct Motion {
uint32_t seq;
+ uint32_t empty1;
nsecs_t eventTime __attribute__((aligned(8)));
int32_t deviceId;
int32_t source;
@@ -90,12 +100,14 @@
int32_t metaState;
int32_t buttonState;
int32_t edgeFlags;
+ uint32_t empty2;
nsecs_t downTime __attribute__((aligned(8)));
float xOffset;
float yOffset;
float xPrecision;
float yPrecision;
uint32_t pointerCount;
+ uint32_t empty3;
// Note that PointerCoords requires 8 byte alignment.
struct Pointer {
PointerProperties properties;
@@ -126,6 +138,7 @@
bool isValid(size_t actualSize) const;
size_t size() const;
+ void getSanitizedCopy(InputMessage* msg) const;
};
/*
diff --git a/libs/binder/ndk/ibinder.cpp b/libs/binder/ndk/ibinder.cpp
index f9c8c8a..bdbc0d3 100644
--- a/libs/binder/ndk/ibinder.cpp
+++ b/libs/binder/ndk/ibinder.cpp
@@ -31,6 +31,7 @@
using ::android::sp;
using ::android::status_t;
using ::android::String16;
+using ::android::String8;
using ::android::wp;
namespace ABBinderTag {
@@ -67,8 +68,6 @@
AIBinder::~AIBinder() {}
bool AIBinder::associateClass(const AIBinder_Class* clazz) {
- using ::android::String8;
-
if (clazz == nullptr) return false;
if (mClazz == clazz) return true;
@@ -119,6 +118,33 @@
return getClass()->getInterfaceDescriptor();
}
+status_t ABBinder::dump(int fd, const ::android::Vector<String16>& args) {
+ AIBinder_onDump onDump = getClass()->onDump;
+
+ if (onDump == nullptr) {
+ return STATUS_OK;
+ }
+
+ // technically UINT32_MAX would be okay here, but INT32_MAX is expected since this may be
+ // null in Java
+ if (args.size() > INT32_MAX) {
+ LOG(ERROR) << "ABBinder::dump received too many arguments: " << args.size();
+ return STATUS_BAD_VALUE;
+ }
+
+ std::vector<String8> utf8Args; // owns memory of utf8s
+ utf8Args.reserve(args.size());
+ std::vector<const char*> utf8Pointers; // what can be passed over NDK API
+ utf8Pointers.reserve(args.size());
+
+ for (size_t i = 0; i < args.size(); i++) {
+ utf8Args.push_back(String8(args[i]));
+ utf8Pointers.push_back(utf8Args[i].c_str());
+ }
+
+ return onDump(this, fd, utf8Pointers.data(), utf8Pointers.size());
+}
+
status_t ABBinder::onTransact(transaction_code_t code, const Parcel& data, Parcel* reply,
binder_flags_t flags) {
if (isUserCommand(code)) {
@@ -232,6 +258,13 @@
return new AIBinder_Class(interfaceDescriptor, onCreate, onDestroy, onTransact);
}
+void AIBinder_Class_setOnDump(AIBinder_Class* clazz, AIBinder_onDump onDump) {
+ CHECK(clazz != nullptr) << "setOnDump requires non-null clazz";
+
+ // this is required to be called before instances are instantiated
+ clazz->onDump = onDump;
+}
+
void AIBinder_DeathRecipient::TransferDeathRecipient::binderDied(const wp<IBinder>& who) {
CHECK(who == mWho);
@@ -325,6 +358,30 @@
return PruneStatusT(binder->getBinder()->pingBinder());
}
+binder_status_t AIBinder_dump(AIBinder* binder, int fd, const char** args, uint32_t numArgs) {
+ if (binder == nullptr) {
+ return STATUS_UNEXPECTED_NULL;
+ }
+
+ ABBinder* bBinder = binder->asABBinder();
+ if (bBinder != nullptr) {
+ AIBinder_onDump onDump = binder->getClass()->onDump;
+ if (onDump == nullptr) {
+ return STATUS_OK;
+ }
+ return PruneStatusT(onDump(bBinder, fd, args, numArgs));
+ }
+
+ ::android::Vector<String16> utf16Args;
+ utf16Args.setCapacity(numArgs);
+ for (uint32_t i = 0; i < numArgs; i++) {
+ utf16Args.push(String16(String8(args[i])));
+ }
+
+ status_t status = binder->getBinder()->dump(fd, utf16Args);
+ return PruneStatusT(status);
+}
+
binder_status_t AIBinder_linkToDeath(AIBinder* binder, AIBinder_DeathRecipient* recipient,
void* cookie) {
if (binder == nullptr || recipient == nullptr) {
diff --git a/libs/binder/ndk/ibinder_internal.h b/libs/binder/ndk/ibinder_internal.h
index 7852298..0dd795a 100644
--- a/libs/binder/ndk/ibinder_internal.h
+++ b/libs/binder/ndk/ibinder_internal.h
@@ -25,6 +25,7 @@
#include <binder/Binder.h>
#include <binder/IBinder.h>
+#include <utils/Vector.h>
inline bool isUserCommand(transaction_code_t code) {
return code >= FIRST_CALL_TRANSACTION && code <= LAST_CALL_TRANSACTION;
@@ -66,6 +67,7 @@
ABBinder* asABBinder() override { return this; }
const ::android::String16& getInterfaceDescriptor() const override;
+ ::android::status_t dump(int fd, const ::android::Vector<::android::String16>& args) override;
::android::status_t onTransact(uint32_t code, const ::android::Parcel& data,
::android::Parcel* reply, binder_flags_t flags) override;
@@ -106,10 +108,14 @@
const ::android::String16& getInterfaceDescriptor() const { return mInterfaceDescriptor; }
+ // required to be non-null, implemented for every class
const AIBinder_Class_onCreate onCreate;
const AIBinder_Class_onDestroy onDestroy;
const AIBinder_Class_onTransact onTransact;
+ // optional methods for a class
+ AIBinder_onDump onDump;
+
private:
// This must be a String16 since BBinder virtual getInterfaceDescriptor returns a reference to
// one.
diff --git a/libs/binder/ndk/include_ndk/android/binder_ibinder.h b/libs/binder/ndk/include_ndk/android/binder_ibinder.h
index 9c6c55e..bddc10d 100644
--- a/libs/binder/ndk/include_ndk/android/binder_ibinder.h
+++ b/libs/binder/ndk/include_ndk/android/binder_ibinder.h
@@ -179,6 +179,31 @@
__INTRODUCED_IN(29);
/**
+ * Dump information about an AIBinder (usually for debugging).
+ *
+ * When no arguments are provided, a brief overview of the interview should be given.
+ *
+ * \param binder interface being dumped
+ * \param fd file descriptor to be dumped to, should be flushed, ownership is not passed.
+ * \param args array of null-terminated strings for dump (may be null if numArgs is 0)
+ * \param numArgs number of args to be sent
+ *
+ * \return binder_status_t result of transaction (if remote, for instance)
+ */
+typedef binder_status_t (*AIBinder_onDump)(AIBinder* binder, int fd, const char** args,
+ uint32_t numArgs);
+
+/**
+ * This sets the implementation of the dump method for a class.
+ *
+ * If this isn't set, nothing will be dumped when dump is called (for instance with
+ * android.os.Binder#dump). Must be called before any instance of the class is created.
+ *
+ * \param dump function to call when an instance of this binder class is being dumped.
+ */
+void AIBinder_Class_setOnDump(AIBinder_Class* clazz, AIBinder_onDump onDump) __INTRODUCED_IN(29);
+
+/**
* Creates a new binder object of the appropriate class.
*
* Ownership of args is passed to this object. The lifecycle is implemented with AIBinder_incStrong
@@ -237,6 +262,21 @@
binder_status_t AIBinder_ping(AIBinder* binder) __INTRODUCED_IN(29);
/**
+ * Built-in transaction for all binder objects. This dumps information about a given binder.
+ *
+ * See also AIBinder_Class_setOnDump, AIBinder_onDump
+ *
+ * \param binder the binder to dump information about
+ * \param fd where information should be dumped to
+ * \param args null-terminated arguments to pass (may be null if numArgs is 0)
+ * \param numArgs number of args to send
+ *
+ * \return STATUS_OK if dump succeeds (or if there is nothing to dump)
+ */
+binder_status_t AIBinder_dump(AIBinder* binder, int fd, const char** args, uint32_t numArgs)
+ __INTRODUCED_IN(29);
+
+/**
* Registers for notifications that the associated binder is dead. The same death recipient may be
* associated with multiple different binders. If the binder is local, then no death recipient will
* be given (since if the local process dies, then no recipient will exist to recieve a
diff --git a/libs/binder/ndk/include_ndk/android/binder_interface_utils.h b/libs/binder/ndk/include_ndk/android/binder_interface_utils.h
index a42c60b..83a1048 100644
--- a/libs/binder/ndk/include_ndk/android/binder_interface_utils.h
+++ b/libs/binder/ndk/include_ndk/android/binder_interface_utils.h
@@ -104,6 +104,39 @@
* this will be checked using AIBinder_isRemote.
*/
virtual bool isRemote() = 0;
+
+ /**
+ * Dumps information about the interface. By default, dumps nothing.
+ */
+ virtual inline binder_status_t dump(int /*fd*/, const char** /*args*/, uint32_t /*numArgs*/);
+
+ /**
+ * Interprets this binder as this underlying interface if this has stored an ICInterface in the
+ * binder's user data.
+ *
+ * This does not do type checking and should only be used when the binder is known to originate
+ * from ICInterface. Most likely, you want to use I*::fromBinder.
+ */
+ static inline std::shared_ptr<ICInterface> asInterface(AIBinder* binder);
+
+ /**
+ * Helper method to create a class
+ */
+ static inline AIBinder_Class* defineClass(const char* interfaceDescriptor,
+ AIBinder_Class_onTransact onTransact);
+
+ private:
+ class ICInterfaceData {
+ public:
+ std::shared_ptr<ICInterface> interface;
+
+ static inline std::shared_ptr<ICInterface> getInterface(AIBinder* binder);
+
+ static inline void* onCreate(void* args);
+ static inline void onDestroy(void* userData);
+ static inline binder_status_t onDump(AIBinder* binder, int fd, const char** args,
+ uint32_t numArgs);
+ };
};
/**
@@ -117,7 +150,7 @@
SpAIBinder asBinder() override;
- bool isRemote() override { return true; }
+ bool isRemote() override { return false; }
protected:
/**
@@ -144,10 +177,63 @@
bool isRemote() override { return AIBinder_isRemote(mBinder.get()); }
+ binder_status_t dump(int fd, const char** args, uint32_t numArgs) override {
+ return AIBinder_dump(asBinder().get(), fd, args, numArgs);
+ }
+
private:
SpAIBinder mBinder;
};
+// END OF CLASS DECLARATIONS
+
+binder_status_t ICInterface::dump(int /*fd*/, const char** /*args*/, uint32_t /*numArgs*/) {
+ return STATUS_OK;
+}
+
+std::shared_ptr<ICInterface> ICInterface::asInterface(AIBinder* binder) {
+ return ICInterfaceData::getInterface(binder);
+}
+
+AIBinder_Class* ICInterface::defineClass(const char* interfaceDescriptor,
+ AIBinder_Class_onTransact onTransact) {
+ AIBinder_Class* clazz = AIBinder_Class_define(interfaceDescriptor, ICInterfaceData::onCreate,
+ ICInterfaceData::onDestroy, onTransact);
+ if (clazz == nullptr) {
+ return nullptr;
+ }
+
+ // We can't know if this method is overriden by a subclass interface, so we must register
+ // ourselves. The default (nothing to dump) is harmless.
+ AIBinder_Class_setOnDump(clazz, ICInterfaceData::onDump);
+ return clazz;
+}
+
+std::shared_ptr<ICInterface> ICInterface::ICInterfaceData::getInterface(AIBinder* binder) {
+ if (binder == nullptr) return nullptr;
+
+ void* userData = AIBinder_getUserData(binder);
+ if (userData == nullptr) return nullptr;
+
+ return static_cast<ICInterfaceData*>(userData)->interface;
+}
+
+void* ICInterface::ICInterfaceData::onCreate(void* args) {
+ std::shared_ptr<ICInterface> interface = static_cast<ICInterface*>(args)->ref<ICInterface>();
+ ICInterfaceData* data = new ICInterfaceData{interface};
+ return static_cast<void*>(data);
+}
+
+void ICInterface::ICInterfaceData::onDestroy(void* userData) {
+ delete static_cast<ICInterfaceData*>(userData);
+}
+
+binder_status_t ICInterface::ICInterfaceData::onDump(AIBinder* binder, int fd, const char** args,
+ uint32_t numArgs) {
+ std::shared_ptr<ICInterface> interface = getInterface(binder);
+ return interface->dump(fd, args, numArgs);
+}
+
template <typename INTERFACE>
SpAIBinder BnCInterface<INTERFACE>::asBinder() {
std::lock_guard<std::mutex> l(mMutex);
diff --git a/libs/binder/ndk/libbinder_ndk.map.txt b/libs/binder/ndk/libbinder_ndk.map.txt
index 655f4d5..7e65817 100644
--- a/libs/binder/ndk/libbinder_ndk.map.txt
+++ b/libs/binder/ndk/libbinder_ndk.map.txt
@@ -2,10 +2,12 @@
global:
AIBinder_associateClass;
AIBinder_Class_define;
+ AIBinder_Class_setOnDump;
AIBinder_DeathRecipient_delete;
AIBinder_DeathRecipient_new;
AIBinder_debugGetRefCount;
AIBinder_decStrong;
+ AIBinder_dump;
AIBinder_fromJavaBinder;
AIBinder_getCallingPid;
AIBinder_getCallingUid;
diff --git a/libs/input/InputTransport.cpp b/libs/input/InputTransport.cpp
index aa0bf17..03f593f 100644
--- a/libs/input/InputTransport.cpp
+++ b/libs/input/InputTransport.cpp
@@ -96,6 +96,106 @@
return sizeof(Header);
}
+/**
+ * There could be non-zero bytes in-between InputMessage fields. Force-initialize the entire
+ * memory to zero, then only copy the valid bytes on a per-field basis.
+ */
+void InputMessage::getSanitizedCopy(InputMessage* msg) const {
+ memset(msg, 0, sizeof(*msg));
+
+ // Write the header
+ msg->header.type = header.type;
+
+ // Write the body
+ switch(header.type) {
+ case InputMessage::TYPE_KEY: {
+ // uint32_t seq
+ msg->body.key.seq = body.key.seq;
+ // nsecs_t eventTime
+ msg->body.key.eventTime = body.key.eventTime;
+ // int32_t deviceId
+ msg->body.key.deviceId = body.key.deviceId;
+ // int32_t source
+ msg->body.key.source = body.key.source;
+ // int32_t displayId
+ msg->body.key.displayId = body.key.displayId;
+ // int32_t action
+ msg->body.key.action = body.key.action;
+ // int32_t flags
+ msg->body.key.flags = body.key.flags;
+ // int32_t keyCode
+ msg->body.key.keyCode = body.key.keyCode;
+ // int32_t scanCode
+ msg->body.key.scanCode = body.key.scanCode;
+ // int32_t metaState
+ msg->body.key.metaState = body.key.metaState;
+ // int32_t repeatCount
+ msg->body.key.repeatCount = body.key.repeatCount;
+ // nsecs_t downTime
+ msg->body.key.downTime = body.key.downTime;
+ break;
+ }
+ case InputMessage::TYPE_MOTION: {
+ // uint32_t seq
+ msg->body.motion.seq = body.motion.seq;
+ // nsecs_t eventTime
+ msg->body.motion.eventTime = body.motion.eventTime;
+ // int32_t deviceId
+ msg->body.motion.deviceId = body.motion.deviceId;
+ // int32_t source
+ msg->body.motion.source = body.motion.source;
+ // int32_t displayId
+ msg->body.motion.displayId = body.motion.displayId;
+ // int32_t action
+ msg->body.motion.action = body.motion.action;
+ // int32_t actionButton
+ msg->body.motion.actionButton = body.motion.actionButton;
+ // int32_t flags
+ msg->body.motion.flags = body.motion.flags;
+ // int32_t metaState
+ msg->body.motion.metaState = body.motion.metaState;
+ // int32_t buttonState
+ msg->body.motion.buttonState = body.motion.buttonState;
+ // int32_t edgeFlags
+ msg->body.motion.edgeFlags = body.motion.edgeFlags;
+ // nsecs_t downTime
+ msg->body.motion.downTime = body.motion.downTime;
+ // float xOffset
+ msg->body.motion.xOffset = body.motion.xOffset;
+ // float yOffset
+ msg->body.motion.yOffset = body.motion.yOffset;
+ // float xPrecision
+ msg->body.motion.xPrecision = body.motion.xPrecision;
+ // float yPrecision
+ msg->body.motion.yPrecision = body.motion.yPrecision;
+ // uint32_t pointerCount
+ msg->body.motion.pointerCount = body.motion.pointerCount;
+ //struct Pointer pointers[MAX_POINTERS]
+ for (size_t i = 0; i < body.motion.pointerCount; i++) {
+ // PointerProperties properties
+ msg->body.motion.pointers[i].properties.id = body.motion.pointers[i].properties.id;
+ msg->body.motion.pointers[i].properties.toolType =
+ body.motion.pointers[i].properties.toolType,
+ // PointerCoords coords
+ msg->body.motion.pointers[i].coords.bits = body.motion.pointers[i].coords.bits;
+ const uint32_t count = BitSet64::count(body.motion.pointers[i].coords.bits);
+ memcpy(&msg->body.motion.pointers[i].coords.values[0],
+ &body.motion.pointers[i].coords.values[0],
+ count * (sizeof(body.motion.pointers[i].coords.values[0])));
+ }
+ break;
+ }
+ case InputMessage::TYPE_FINISHED: {
+ msg->body.finished.seq = body.finished.seq;
+ msg->body.finished.handled = body.finished.handled;
+ break;
+ }
+ default: {
+ LOG_FATAL("Unexpected message type %i", header.type);
+ break;
+ }
+ }
+}
// --- InputChannel ---
@@ -149,10 +249,12 @@
}
status_t InputChannel::sendMessage(const InputMessage* msg) {
- size_t msgLength = msg->size();
+ const size_t msgLength = msg->size();
+ InputMessage cleanMsg;
+ msg->getSanitizedCopy(&cleanMsg);
ssize_t nWrite;
do {
- nWrite = ::send(mFd, msg, msgLength, MSG_DONTWAIT | MSG_NOSIGNAL);
+ nWrite = ::send(mFd, &cleanMsg, msgLength, MSG_DONTWAIT | MSG_NOSIGNAL);
} while (nWrite == -1 && errno == EINTR);
if (nWrite < 0) {
diff --git a/libs/input/tests/StructLayout_test.cpp b/libs/input/tests/StructLayout_test.cpp
index d19f3b8..12a6782 100644
--- a/libs/input/tests/StructLayout_test.cpp
+++ b/libs/input/tests/StructLayout_test.cpp
@@ -65,6 +65,9 @@
CHECK_OFFSET(InputMessage::Body::Motion, yPrecision, 76);
CHECK_OFFSET(InputMessage::Body::Motion, pointerCount, 80);
CHECK_OFFSET(InputMessage::Body::Motion, pointers, 88);
+
+ CHECK_OFFSET(InputMessage::Body::Finished, seq, 0);
+ CHECK_OFFSET(InputMessage::Body::Finished, handled, 4);
}
} // namespace android
diff --git a/libs/ui/Android.bp b/libs/ui/Android.bp
index d25ad1a..ec7f927 100644
--- a/libs/ui/Android.bp
+++ b/libs/ui/Android.bp
@@ -45,6 +45,8 @@
// Don't warn about struct padding
"-Wno-padded",
+
+ "-Wno-switch-enum",
],
sanitize: {
@@ -63,6 +65,7 @@
"GraphicBufferMapper.cpp",
"HdrCapabilities.cpp",
"PixelFormat.cpp",
+ "PublicFormat.cpp",
"Rect.cpp",
"Region.cpp",
"UiConfig.cpp",
diff --git a/libs/ui/PublicFormat.cpp b/libs/ui/PublicFormat.cpp
new file mode 100644
index 0000000..26eb771
--- /dev/null
+++ b/libs/ui/PublicFormat.cpp
@@ -0,0 +1,130 @@
+/*
+ * Copyright (C) 2019 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 <ui/PublicFormat.h>
+
+// ----------------------------------------------------------------------------
+namespace android {
+// ----------------------------------------------------------------------------
+
+int mapPublicFormatToHalFormat(PublicFormat f) {
+ switch (f) {
+ case PublicFormat::JPEG:
+ case PublicFormat::DEPTH_POINT_CLOUD:
+ return HAL_PIXEL_FORMAT_BLOB;
+ case PublicFormat::DEPTH16:
+ return HAL_PIXEL_FORMAT_Y16;
+ case PublicFormat::RAW_SENSOR:
+ case PublicFormat::RAW_DEPTH:
+ return HAL_PIXEL_FORMAT_RAW16;
+ default:
+ // Most formats map 1:1
+ return static_cast<int>(f);
+ }
+}
+
+android_dataspace mapPublicFormatToHalDataspace(PublicFormat f) {
+ switch (f) {
+ case PublicFormat::JPEG:
+ return HAL_DATASPACE_V0_JFIF;
+ case PublicFormat::DEPTH_POINT_CLOUD:
+ case PublicFormat::DEPTH16:
+ case PublicFormat::RAW_DEPTH:
+ return HAL_DATASPACE_DEPTH;
+ case PublicFormat::RAW_SENSOR:
+ case PublicFormat::RAW_PRIVATE:
+ case PublicFormat::RAW10:
+ case PublicFormat::RAW12:
+ return HAL_DATASPACE_ARBITRARY;
+ case PublicFormat::YUV_420_888:
+ case PublicFormat::NV21:
+ case PublicFormat::YV12:
+ return HAL_DATASPACE_V0_JFIF;
+ default:
+ // Most formats map to UNKNOWN
+ return HAL_DATASPACE_UNKNOWN;
+ }
+}
+
+PublicFormat mapHalFormatDataspaceToPublicFormat(int format, android_dataspace dataSpace) {
+ switch (format) {
+ case HAL_PIXEL_FORMAT_RGBA_8888:
+ case HAL_PIXEL_FORMAT_RGBX_8888:
+ case HAL_PIXEL_FORMAT_RGBA_FP16:
+ case HAL_PIXEL_FORMAT_RGBA_1010102:
+ case HAL_PIXEL_FORMAT_RGB_888:
+ case HAL_PIXEL_FORMAT_RGB_565:
+ case HAL_PIXEL_FORMAT_Y8:
+ case HAL_PIXEL_FORMAT_RAW10:
+ case HAL_PIXEL_FORMAT_RAW12:
+ case HAL_PIXEL_FORMAT_YCbCr_420_888:
+ case HAL_PIXEL_FORMAT_YV12:
+ // Enums overlap in both name and value
+ return static_cast<PublicFormat>(format);
+ case HAL_PIXEL_FORMAT_RAW16:
+ switch (dataSpace) {
+ case HAL_DATASPACE_DEPTH:
+ return PublicFormat::RAW_DEPTH;
+ default:
+ return PublicFormat::RAW_SENSOR;
+ }
+ case HAL_PIXEL_FORMAT_RAW_OPAQUE:
+ // Name differs, though value is the same
+ return PublicFormat::RAW_PRIVATE;
+ case HAL_PIXEL_FORMAT_YCbCr_422_SP:
+ // Name differs, though the value is the same
+ return PublicFormat::NV16;
+ case HAL_PIXEL_FORMAT_YCrCb_420_SP:
+ // Name differs, though the value is the same
+ return PublicFormat::NV21;
+ case HAL_PIXEL_FORMAT_YCbCr_422_I:
+ // Name differs, though the value is the same
+ return PublicFormat::YUY2;
+ case HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED:
+ // Name differs, though the value is the same
+ return PublicFormat::PRIVATE;
+ case HAL_PIXEL_FORMAT_Y16:
+ // Dataspace-dependent
+ switch (dataSpace) {
+ case HAL_DATASPACE_DEPTH:
+ return PublicFormat::DEPTH16;
+ default:
+ // Assume non-depth Y16 is just Y16.
+ return PublicFormat::Y16;
+ }
+ case HAL_PIXEL_FORMAT_BLOB:
+ // Dataspace-dependent
+ switch (dataSpace) {
+ case HAL_DATASPACE_DEPTH:
+ return PublicFormat::DEPTH_POINT_CLOUD;
+ case HAL_DATASPACE_V0_JFIF:
+ return PublicFormat::JPEG;
+ default:
+ // Assume otherwise-marked blobs are also JPEG
+ return PublicFormat::JPEG;
+ }
+ case HAL_PIXEL_FORMAT_BGRA_8888:
+ // Not defined in public API
+ return PublicFormat::UNKNOWN;
+
+ default:
+ return PublicFormat::UNKNOWN;
+ }
+}
+
+// ----------------------------------------------------------------------------
+}; // namespace android
+// ----------------------------------------------------------------------------
diff --git a/libs/ui/include/ui/PublicFormat.h b/libs/ui/include/ui/PublicFormat.h
new file mode 100644
index 0000000..75b6705
--- /dev/null
+++ b/libs/ui/include/ui/PublicFormat.h
@@ -0,0 +1,74 @@
+/*
+ * Copyright (C) 2019 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.
+ */
+
+#ifndef UI_PUBLICFORMAT_H
+#define UI_PUBLICFORMAT_H
+
+#include <system/graphics.h>
+
+namespace android {
+
+/**
+ * Enum mirroring the public API definitions for image and pixel formats.
+ * Some of these are hidden in the public API
+ *
+ * Keep up to date with android.graphics.ImageFormat and
+ * android.graphics.PixelFormat
+ *
+ * TODO: PublicFormat is going to be deprecated(b/126594675)
+ */
+enum class PublicFormat {
+ UNKNOWN = 0x0,
+ RGBA_8888 = 0x1,
+ RGBX_8888 = 0x2,
+ RGB_888 = 0x3,
+ RGB_565 = 0x4,
+ NV16 = 0x10,
+ NV21 = 0x11,
+ YUY2 = 0x14,
+ RGBA_FP16 = 0x16,
+ RAW_SENSOR = 0x20,
+ PRIVATE = 0x22,
+ YUV_420_888 = 0x23,
+ RAW_PRIVATE = 0x24,
+ RAW10 = 0x25,
+ RAW12 = 0x26,
+ RGBA_1010102 = 0x2b,
+ JPEG = 0x100,
+ DEPTH_POINT_CLOUD = 0x101,
+ RAW_DEPTH = 0x1002, // @hide
+ YV12 = 0x32315659,
+ Y8 = 0x20203859, // @hide
+ Y16 = 0x20363159, // @hide
+ DEPTH16 = 0x44363159
+};
+
+/* Convert from android.graphics.ImageFormat/PixelFormat enums to graphics.h HAL
+ * format */
+extern int mapPublicFormatToHalFormat(PublicFormat f);
+
+/* Convert from android.graphics.ImageFormat/PixelFormat enums to graphics.h HAL
+ * dataspace */
+extern android_dataspace mapPublicFormatToHalDataspace(PublicFormat f);
+
+/* Convert from HAL format, dataspace pair to
+ * android.graphics.ImageFormat/PixelFormat.
+ * For unknown/unspecified pairs, returns PublicFormat::UNKNOWN */
+extern PublicFormat mapHalFormatDataspaceToPublicFormat(int format, android_dataspace dataSpace);
+
+}; // namespace android
+
+#endif // UI_PUBLICFORMAT_H