Merge "Remove dead gglFastDivx."
diff --git a/adb/adb.cpp b/adb/adb.cpp
index 19300f6..38c6f62 100644
--- a/adb/adb.cpp
+++ b/adb/adb.cpp
@@ -920,13 +920,45 @@
}
#endif /* ADB_HOST */
+bool handle_forward_request(const char* service, atransport* transport, int reply_fd) {
+ return handle_forward_request(service, [transport](std::string*) { return transport; },
+ reply_fd);
+}
+
// Try to handle a network forwarding request.
-// This returns 1 on success, 0 on failure, and -1 to indicate this is not
-// a forwarding-related request.
-int handle_forward_request(const char* service, atransport* transport, int reply_fd) {
+bool handle_forward_request(const char* service,
+ std::function<atransport*(std::string* error)> transport_acquirer,
+ int reply_fd) {
+ if (!strcmp(service, "list-forward")) {
+ // Create the list of forward redirections.
+ std::string listeners = format_listeners();
+#if ADB_HOST
+ SendOkay(reply_fd);
+#endif
+ SendProtocolString(reply_fd, listeners);
+ return true;
+ }
+
+ if (!strcmp(service, "killforward-all")) {
+ remove_all_listeners();
+#if ADB_HOST
+ /* On the host: 1st OKAY is connect, 2nd OKAY is status */
+ SendOkay(reply_fd);
+#endif
+ SendOkay(reply_fd);
+ return true;
+ }
+
if (!strncmp(service, "forward:", 8) || !strncmp(service, "killforward:", 12)) {
// killforward:local
// forward:(norebind:)?local;remote
+ std::string error;
+ atransport* transport = transport_acquirer(&error);
+ if (!transport) {
+ SendFail(reply_fd, error);
+ return true;
+ }
+
bool kill_forward = false;
bool no_rebind = false;
if (android::base::StartsWith(service, "killforward:")) {
@@ -946,17 +978,16 @@
// Check killforward: parameter format: '<local>'
if (pieces.size() != 1 || pieces[0].empty()) {
SendFail(reply_fd, android::base::StringPrintf("bad killforward: %s", service));
- return 1;
+ return true;
}
} else {
// Check forward: parameter format: '<local>;<remote>'
if (pieces.size() != 2 || pieces[0].empty() || pieces[1].empty() || pieces[1][0] == '*') {
SendFail(reply_fd, android::base::StringPrintf("bad forward: %s", service));
- return 1;
+ return true;
}
}
- std::string error;
InstallStatus r;
int resolved_tcp_port = 0;
if (kill_forward) {
@@ -977,7 +1008,7 @@
SendProtocolString(reply_fd, android::base::StringPrintf("%d", resolved_tcp_port));
}
- return 1;
+ return true;
}
std::string message;
@@ -996,9 +1027,10 @@
break;
}
SendFail(reply_fd, message);
- return 1;
+ return true;
}
- return 0;
+
+ return false;
}
#if ADB_HOST
@@ -1186,35 +1218,15 @@
return SendOkay(reply_fd, response);
}
- if (!strcmp(service, "list-forward")) {
- // Create the list of forward redirections.
- std::string listeners = format_listeners();
-#if ADB_HOST
- SendOkay(reply_fd);
-#endif
- return SendProtocolString(reply_fd, listeners);
+ if (handle_forward_request(service,
+ [=](std::string* error) {
+ return acquire_one_transport(type, serial, transport_id, nullptr,
+ error);
+ },
+ reply_fd)) {
+ return 0;
}
- if (!strcmp(service, "killforward-all")) {
- remove_all_listeners();
-#if ADB_HOST
- /* On the host: 1st OKAY is connect, 2nd OKAY is status */
- SendOkay(reply_fd);
-#endif
- SendOkay(reply_fd);
- return 1;
- }
-
- std::string error;
- atransport* t = acquire_one_transport(type, serial, transport_id, nullptr, &error);
- if (!t) {
- SendFail(reply_fd, error);
- return 1;
- }
-
- int ret = handle_forward_request(service, t, reply_fd);
- if (ret >= 0)
- return ret - 1;
return -1;
}
diff --git a/adb/adb.h b/adb/adb.h
index 13ca4d7..e6af780 100644
--- a/adb/adb.h
+++ b/adb/adb.h
@@ -158,7 +158,10 @@
unique_fd create_jdwp_connection_fd(int jdwp_pid);
#endif
-int handle_forward_request(const char* service, atransport* transport, int reply_fd);
+bool handle_forward_request(const char* service, atransport* transport, int reply_fd);
+bool handle_forward_request(const char* service,
+ std::function<atransport*(std::string* error)> transport_acquirer,
+ int reply_fd);
/* packet allocator */
apacket* get_apacket(void);
diff --git a/adb/client/bugreport.cpp b/adb/client/bugreport.cpp
index 346bb4b..fe98737 100644
--- a/adb/client/bugreport.cpp
+++ b/adb/client/bugreport.cpp
@@ -16,6 +16,8 @@
#define TRACE_TAG ADB
+#include "sysdeps.h"
+
#include "bugreport.h"
#include <string>
@@ -24,8 +26,6 @@
#include <android-base/file.h>
#include <android-base/strings.h>
-#include "sysdeps.h"
-
#include "adb_utils.h"
#include "client/file_sync_client.h"
diff --git a/adb/client/commandline.cpp b/adb/client/commandline.cpp
index a7a94e7..3fb14f3 100644
--- a/adb/client/commandline.cpp
+++ b/adb/client/commandline.cpp
@@ -1614,9 +1614,9 @@
return bugreport.DoIt(argc, argv);
} else if (!strcmp(argv[0], "forward") || !strcmp(argv[0], "reverse")) {
bool reverse = !strcmp(argv[0], "reverse");
- ++argv;
--argc;
if (argc < 1) return syntax_error("%s requires an argument", argv[0]);
+ ++argv;
// Determine the <host-prefix> for this command.
std::string host_prefix;
diff --git a/adb/daemon/services.cpp b/adb/daemon/services.cpp
index 25024b0..dfcc52d 100644
--- a/adb/daemon/services.cpp
+++ b/adb/daemon/services.cpp
@@ -94,7 +94,7 @@
WriteFdExactly(fd.get(), "restarting in USB mode\n");
}
-bool reboot_service_impl(unique_fd fd, const std::string& arg) {
+void reboot_service(unique_fd fd, const std::string& arg) {
std::string reboot_arg = arg;
bool auto_reboot = false;
@@ -108,7 +108,7 @@
if (reboot_arg == "sideload") {
if (getuid() != 0) {
WriteFdExactly(fd.get(), "'adb root' is required for 'adb reboot sideload'.\n");
- return false;
+ return;
}
const std::vector<std::string> options = {auto_reboot ? "--sideload_auto_reboot"
@@ -116,7 +116,7 @@
std::string err;
if (!write_bootloader_message(options, &err)) {
D("Failed to set bootloader message: %s", err.c_str());
- return false;
+ return;
}
reboot_arg = "recovery";
@@ -128,16 +128,9 @@
std::string reboot_string = android::base::StringPrintf("reboot,%s", reboot_arg.c_str());
if (!android::base::SetProperty(ANDROID_RB_PROPERTY, reboot_string)) {
WriteFdFmt(fd.get(), "reboot (%s) failed\n", reboot_string.c_str());
- return false;
- }
-
- return true;
-}
-
-void reboot_service(unique_fd fd, const std::string& arg) {
- if (!reboot_service_impl(std::move(fd), arg)) {
return;
}
+
// Don't return early. Give the reboot command time to take effect
// to avoid messing up scripts which do "adb reboot && adb wait-for-device"
while (true) {
@@ -157,7 +150,7 @@
return unique_fd{};
}
VLOG(SERVICES) << "service socketpair: " << s[0] << ", " << s[1];
- if (handle_forward_request(command, transport, s[1]) < 0) {
+ if (!handle_forward_request(command, transport, s[1])) {
SendFail(s[1], "not a reverse forwarding command");
}
adb_close(s[1]);
diff --git a/adb/transport.cpp b/adb/transport.cpp
index 793c283..3c74c75 100644
--- a/adb/transport.cpp
+++ b/adb/transport.cpp
@@ -50,6 +50,7 @@
#include "adb_trace.h"
#include "adb_utils.h"
#include "fdevent.h"
+#include "sysdeps/chrono.h"
static void register_transport(atransport* transport);
static void remove_transport(atransport* transport);
@@ -80,6 +81,7 @@
~ScopedAssumeLocked() RELEASE() {}
};
+#if ADB_HOST
// Tracks and handles atransport*s that are attempting reconnection.
class ReconnectHandler {
public:
@@ -102,12 +104,18 @@
// Tracks a reconnection attempt.
struct ReconnectAttempt {
atransport* transport;
- std::chrono::system_clock::time_point deadline;
+ std::chrono::steady_clock::time_point reconnect_time;
size_t attempts_left;
+
+ bool operator<(const ReconnectAttempt& rhs) const {
+ // std::priority_queue returns the largest element first, so we want attempts that have
+ // less time remaining (i.e. smaller time_points) to compare greater.
+ return reconnect_time > rhs.reconnect_time;
+ }
};
// Only retry for up to one minute.
- static constexpr const std::chrono::seconds kDefaultTimeout = std::chrono::seconds(10);
+ static constexpr const std::chrono::seconds kDefaultTimeout = 10s;
static constexpr const size_t kMaxAttempts = 6;
// Protects all members.
@@ -115,7 +123,7 @@
bool running_ GUARDED_BY(reconnect_mutex_) = true;
std::thread handler_thread_;
std::condition_variable reconnect_cv_;
- std::queue<ReconnectAttempt> reconnect_queue_ GUARDED_BY(reconnect_mutex_);
+ std::priority_queue<ReconnectAttempt> reconnect_queue_ GUARDED_BY(reconnect_mutex_);
DISALLOW_COPY_AND_ASSIGN(ReconnectHandler);
};
@@ -137,7 +145,7 @@
// Drain the queue to free all resources.
std::lock_guard<std::mutex> lock(reconnect_mutex_);
while (!reconnect_queue_.empty()) {
- ReconnectAttempt attempt = reconnect_queue_.front();
+ ReconnectAttempt attempt = reconnect_queue_.top();
reconnect_queue_.pop();
remove_transport(attempt.transport);
}
@@ -148,9 +156,10 @@
{
std::lock_guard<std::mutex> lock(reconnect_mutex_);
if (!running_) return;
- reconnect_queue_.emplace(ReconnectAttempt{
- transport, std::chrono::system_clock::now() + ReconnectHandler::kDefaultTimeout,
- ReconnectHandler::kMaxAttempts});
+ // Arbitrary sleep to give adbd time to get ready, if we disconnected because it exited.
+ auto reconnect_time = std::chrono::steady_clock::now() + 250ms;
+ reconnect_queue_.emplace(
+ ReconnectAttempt{transport, reconnect_time, ReconnectHandler::kMaxAttempts});
}
reconnect_cv_.notify_one();
}
@@ -162,15 +171,27 @@
std::unique_lock<std::mutex> lock(reconnect_mutex_);
ScopedAssumeLocked assume_lock(reconnect_mutex_);
- auto deadline = std::chrono::time_point<std::chrono::system_clock>::max();
- if (!reconnect_queue_.empty()) deadline = reconnect_queue_.front().deadline;
- reconnect_cv_.wait_until(lock, deadline, [&]() REQUIRES(reconnect_mutex_) {
- return !running_ ||
- (!reconnect_queue_.empty() && reconnect_queue_.front().deadline < deadline);
- });
+ if (!reconnect_queue_.empty()) {
+ // FIXME: libstdc++ (used on Windows) implements condition_variable with
+ // system_clock as its clock, so we're probably hosed if the clock changes,
+ // even if we use steady_clock throughout. This problem goes away once we
+ // switch to libc++.
+ reconnect_cv_.wait_until(lock, reconnect_queue_.top().reconnect_time);
+ } else {
+ reconnect_cv_.wait(lock);
+ }
if (!running_) return;
- attempt = reconnect_queue_.front();
+ if (reconnect_queue_.empty()) continue;
+
+ // Go back to sleep in case |reconnect_cv_| woke up spuriously and we still
+ // have more time to wait for the current attempt.
+ auto now = std::chrono::steady_clock::now();
+ if (reconnect_queue_.top().reconnect_time > now) {
+ continue;
+ }
+
+ attempt = reconnect_queue_.top();
reconnect_queue_.pop();
if (attempt.transport->kicked()) {
D("transport %s was kicked. giving up on it.", attempt.transport->serial.c_str());
@@ -191,9 +212,9 @@
std::lock_guard<std::mutex> lock(reconnect_mutex_);
reconnect_queue_.emplace(ReconnectAttempt{
- attempt.transport,
- std::chrono::system_clock::now() + ReconnectHandler::kDefaultTimeout,
- attempt.attempts_left - 1});
+ attempt.transport,
+ std::chrono::steady_clock::now() + ReconnectHandler::kDefaultTimeout,
+ attempt.attempts_left - 1});
continue;
}
@@ -204,6 +225,8 @@
static auto& reconnect_handler = *new ReconnectHandler();
+#endif
+
} // namespace
TransportId NextTransportId() {
@@ -677,9 +700,11 @@
update_transports();
}
+#if ADB_HOST
void init_reconnect_handler(void) {
reconnect_handler.Start();
}
+#endif
void init_transport_registration(void) {
int s[2];
@@ -698,7 +723,9 @@
}
void kick_all_transports() {
+#if ADB_HOST
reconnect_handler.Stop();
+#endif
// To avoid only writing part of a packet to a transport after exit, kick all transports.
std::lock_guard<std::recursive_mutex> lock(transport_lock);
for (auto t : transport_list) {
@@ -736,13 +763,19 @@
t->ref_count--;
if (t->ref_count == 0) {
t->connection()->Stop();
+#if ADB_HOST
if (t->IsTcpDevice() && !t->kicked()) {
- D("transport: %s unref (attempting reconnection) %d", t->serial.c_str(), t->kicked());
+ D("transport: %s unref (attempting reconnection)", t->serial.c_str());
reconnect_handler.TrackTransport(t);
} else {
D("transport: %s unref (kicking and closing)", t->serial.c_str());
remove_transport(t);
}
+#else
+ D("transport: %s unref (kicking and closing)", t->serial.c_str());
+ remove_transport(t);
+#endif
+
} else {
D("transport: %s unref (count=%zu)", t->serial.c_str(), t->ref_count);
}
@@ -1157,17 +1190,11 @@
}
#endif // ADB_HOST
-int register_socket_transport(unique_fd s, const char* serial, int port, int local,
+int register_socket_transport(unique_fd s, std::string serial, int port, int local,
atransport::ReconnectCallback reconnect) {
atransport* t = new atransport(std::move(reconnect), kCsOffline);
- if (!serial) {
- char buf[32];
- snprintf(buf, sizeof(buf), "T-%p", t);
- serial = buf;
- }
-
- D("transport: %s init'ing for socket %d, on port %d", serial, s.get(), port);
+ D("transport: %s init'ing for socket %d, on port %d", serial.c_str(), s.get(), port);
if (init_socket_transport(t, std::move(s), port, local) < 0) {
delete t;
return -1;
@@ -1175,7 +1202,7 @@
std::unique_lock<std::recursive_mutex> lock(transport_lock);
for (const auto& transport : pending_list) {
- if (strcmp(serial, transport->serial.c_str()) == 0) {
+ if (serial == transport->serial) {
VLOG(TRANSPORT) << "socket transport " << transport->serial
<< " is already in pending_list and fails to register";
delete t;
@@ -1184,7 +1211,7 @@
}
for (const auto& transport : transport_list) {
- if (strcmp(serial, transport->serial.c_str()) == 0) {
+ if (serial == transport->serial) {
VLOG(TRANSPORT) << "socket transport " << transport->serial
<< " is already in transport_list and fails to register";
delete t;
@@ -1192,8 +1219,8 @@
}
}
+ t->serial = std::move(serial);
pending_list.push_front(t);
- t->serial = serial;
lock.unlock();
diff --git a/adb/transport.h b/adb/transport.h
index 1844ae8..4bfc2ce 100644
--- a/adb/transport.h
+++ b/adb/transport.h
@@ -364,7 +364,7 @@
void connect_device(const std::string& address, std::string* response);
/* cause new transports to be init'd and added to the list */
-int register_socket_transport(unique_fd s, const char* serial, int port, int local,
+int register_socket_transport(unique_fd s, std::string serial, int port, int local,
atransport::ReconnectCallback reconnect);
// This should only be used for transports with connection_state == kCsNoPerm.
diff --git a/adb/transport_local.cpp b/adb/transport_local.cpp
index 9398ceb..3b1552e 100644
--- a/adb/transport_local.cpp
+++ b/adb/transport_local.cpp
@@ -125,8 +125,7 @@
return init_socket_transport(t, std::move(fd), port, 0) >= 0;
};
- int ret =
- register_socket_transport(std::move(fd), serial.c_str(), port, 0, std::move(reconnect));
+ int ret = register_socket_transport(std::move(fd), serial, port, 0, std::move(reconnect));
if (ret < 0) {
if (ret == -EALREADY) {
*response = android::base::StringPrintf("already connected to %s", serial.c_str());
@@ -162,7 +161,7 @@
close_on_exec(fd.get());
disable_tcp_nagle(fd.get());
std::string serial = getEmulatorSerialString(console_port);
- if (register_socket_transport(std::move(fd), serial.c_str(), adb_port, 1,
+ if (register_socket_transport(std::move(fd), std::move(serial), adb_port, 1,
[](atransport*) { return false; }) == 0) {
return 0;
}
@@ -265,7 +264,7 @@
close_on_exec(fd.get());
disable_tcp_nagle(fd.get());
std::string serial = android::base::StringPrintf("host-%d", fd.get());
- register_socket_transport(std::move(fd), serial.c_str(), port, 1,
+ register_socket_transport(std::move(fd), std::move(serial), port, 1,
[](atransport*) { return false; });
}
}
@@ -362,7 +361,7 @@
* exchange. */
std::string serial = android::base::StringPrintf("host-%d", fd.get());
WriteFdExactly(fd.get(), _start_req, strlen(_start_req));
- register_socket_transport(std::move(fd), serial.c_str(), port, 1,
+ register_socket_transport(std::move(fd), std::move(serial), port, 1,
[](atransport*) { return false; });
}
diff --git a/base/include/android-base/logging.h b/base/include/android-base/logging.h
index aea6ce6..f94cc25 100644
--- a/base/include/android-base/logging.h
+++ b/base/include/android-base/logging.h
@@ -447,11 +447,6 @@
private:
const std::unique_ptr<LogMessageData> data_;
- // TODO(b/35361699): remove these symbols once all prebuilds stop using it.
- LogMessage(const char* file, unsigned int line, LogId id, LogSeverity severity, int error);
- static void LogLine(const char* file, unsigned int line, LogId id, LogSeverity severity,
- const char* msg);
-
DISALLOW_COPY_AND_ASSIGN(LogMessage);
};
diff --git a/base/logging.cpp b/base/logging.cpp
index 35054ac..d60d91d 100644
--- a/base/logging.cpp
+++ b/base/logging.cpp
@@ -410,10 +410,6 @@
const char* tag, int error)
: data_(new LogMessageData(file, line, id, severity, tag, error)) {}
-LogMessage::LogMessage(const char* file, unsigned int line, LogId id, LogSeverity severity,
- int error)
- : LogMessage(file, line, id, severity, nullptr, error) {}
-
LogMessage::~LogMessage() {
// Check severity again. This is duplicate work wrt/ LOG macros, but not LOG_STREAM.
if (!WOULD_LOG(data_->GetSeverity())) {
@@ -470,11 +466,6 @@
}
}
-void LogMessage::LogLine(const char* file, unsigned int line, LogId id, LogSeverity severity,
- const char* message) {
- LogLine(file, line, id, severity, nullptr, message);
-}
-
LogSeverity GetMinimumLogSeverity() {
return gMinimumLogSeverity;
}
diff --git a/fastboot/fastboot.cpp b/fastboot/fastboot.cpp
index 263ea17..321e6ba 100644
--- a/fastboot/fastboot.cpp
+++ b/fastboot/fastboot.cpp
@@ -114,20 +114,26 @@
bool is_optional;
bool is_secondary;
} images[] = {
- // clang-format off
+ // clang-format off
{ "boot", "boot.img", "boot.sig", "boot", false, false },
{ nullptr, "boot_other.img", "boot.sig", "boot", true, true },
{ "dtbo", "dtbo.img", "dtbo.sig", "dtbo", true, false },
{ "dts", "dt.img", "dt.sig", "dts", true, false },
{ "odm", "odm.img", "odm.sig", "odm", true, false },
{ "product", "product.img", "product.sig", "product", true, false },
+ { "product-services",
+ "product-services.img",
+ "product-services.sig",
+ "product-services",
+ true, false },
{ "recovery", "recovery.img", "recovery.sig", "recovery", true, false },
+ { "super", "super.img", "super.sig", "super", true, false },
{ "system", "system.img", "system.sig", "system", false, false },
{ nullptr, "system_other.img", "system.sig", "system", true, true },
{ "vbmeta", "vbmeta.img", "vbmeta.sig", "vbmeta", true, false },
{ "vendor", "vendor.img", "vendor.sig", "vendor", true, false },
{ nullptr, "vendor_other.img", "vendor.sig", "vendor", true, true },
- // clang-format on
+ // clang-format on
};
static std::string find_item_given_name(const char* img_name) {
diff --git a/fastboot/fastboot_driver.cpp b/fastboot/fastboot_driver.cpp
index aabc620..55ca65d 100644
--- a/fastboot/fastboot_driver.cpp
+++ b/fastboot/fastboot_driver.cpp
@@ -134,7 +134,7 @@
return ret;
}
- std::regex reg("partition-size[[:s:]]*:[[:s:]]*([[:w:]]+)[[:s:]]*:[[:s:]]*0x([[:d:]]+)");
+ std::regex reg("partition-size[[:s:]]*:[[:s:]]*([[:w:]]+)[[:s:]]*:[[:s:]]*0x([[:xdigit:]]+)");
std::smatch sm;
for (auto& s : all) {
@@ -264,11 +264,16 @@
std::vector<std::string>* info) {
RetCode ret;
int dsize;
- if ((ret = RawCommand(Commands::UPLOAD, response, info, &dsize)) || dsize == 0) {
- error_ = "Upload request failed";
+ if ((ret = RawCommand(Commands::UPLOAD, response, info, &dsize))) {
+ error_ = "Upload request failed: " + error_;
return ret;
}
+ if (!dsize) {
+ error_ = "Upload request failed, device reports 0 bytes available";
+ return BAD_DEV_RESP;
+ }
+
std::vector<char> data;
data.resize(dsize);
@@ -462,10 +467,10 @@
}
RetCode FastBootDriver::SendBuffer(const void* buf, size_t size) {
+ // ioctl on 0-length buffer causes freezing
if (!size) {
- return SUCCESS;
+ return BAD_ARG;
}
-
// Write the buffer
ssize_t tmp = transport->Write(buf, size);
@@ -521,7 +526,7 @@
// Now we need to send a multiple of chunk size
size_t nchunks = (len - total) / TRANSPORT_CHUNK_SIZE;
size_t nbytes = TRANSPORT_CHUNK_SIZE * nchunks;
- if (SendBuffer(data + total, nbytes)) {
+ if (nbytes && SendBuffer(data + total, nbytes)) { // Don't send a ZLP
error_ = ErrnoStr("Send failed in SparseWriteCallback()");
return -1;
}
diff --git a/fastboot/fastboot_driver.h b/fastboot/fastboot_driver.h
index 9fdd317..e8711cb 100644
--- a/fastboot/fastboot_driver.h
+++ b/fastboot/fastboot_driver.h
@@ -103,7 +103,7 @@
/* HELPERS */
void SetInfoCallback(std::function<void(std::string&)> info);
- const std::string RCString(RetCode rc);
+ static const std::string RCString(RetCode rc);
std::string Error();
RetCode WaitForDisconnect();
diff --git a/fs_mgr/fs_mgr.cpp b/fs_mgr/fs_mgr.cpp
index b3df811..5f57182 100644
--- a/fs_mgr/fs_mgr.cpp
+++ b/fs_mgr/fs_mgr.cpp
@@ -1052,6 +1052,9 @@
return FS_MGR_DOMNT_FAILED;
}
+ // Run fsck if needed
+ prepare_fs_for_mount(rec->blk_device, rec);
+
int ret = __mount(rec->blk_device, rec->mount_point, rec);
if (ret) {
ret = (errno == EBUSY) ? FS_MGR_DOMNT_BUSY : FS_MGR_DOMNT_FAILED;
@@ -1177,8 +1180,8 @@
{
int ret;
- ret = mount("tmpfs", n_name, "tmpfs",
- MS_NOATIME | MS_NOSUID | MS_NODEV, CRYPTO_TMPFS_OPTIONS);
+ ret = mount("tmpfs", n_name, "tmpfs", MS_NOATIME | MS_NOSUID | MS_NODEV | MS_NOEXEC,
+ CRYPTO_TMPFS_OPTIONS);
if (ret < 0) {
LERROR << "Cannot mount tmpfs filesystem at " << n_name;
return -1;
diff --git a/fs_mgr/liblp/builder.cpp b/fs_mgr/liblp/builder.cpp
index 9d710f9..eb429b9 100644
--- a/fs_mgr/liblp/builder.cpp
+++ b/fs_mgr/liblp/builder.cpp
@@ -48,10 +48,20 @@
PERROR << __PRETTY_FUNCTION__ << "BLKIOMIN failed";
return false;
}
- if (ioctl(fd, BLKALIGNOFF, &device_info->alignment_offset) < 0) {
+
+ int alignment_offset;
+ if (ioctl(fd, BLKALIGNOFF, &alignment_offset) < 0) {
PERROR << __PRETTY_FUNCTION__ << "BLKIOMIN failed";
return false;
}
+ int logical_block_size;
+ if (ioctl(fd, BLKSSZGET, &logical_block_size) < 0) {
+ PERROR << __PRETTY_FUNCTION__ << "BLKSSZGET failed";
+ return false;
+ }
+
+ device_info->alignment_offset = static_cast<uint32_t>(alignment_offset);
+ device_info->logical_block_size = static_cast<uint32_t>(logical_block_size);
return true;
#else
(void)block_device;
@@ -82,11 +92,7 @@
extents_.clear();
}
-void Partition::ShrinkTo(uint64_t requested_size) {
- uint64_t aligned_size = AlignTo(requested_size, LP_SECTOR_SIZE);
- if (size_ <= aligned_size) {
- return;
- }
+void Partition::ShrinkTo(uint64_t aligned_size) {
if (aligned_size == 0) {
RemoveExtents();
return;
@@ -106,7 +112,7 @@
sectors_to_remove -= extent->num_sectors();
extents_.pop_back();
}
- DCHECK(size_ == requested_size);
+ DCHECK(size_ == aligned_size);
}
std::unique_ptr<MetadataBuilder> MetadataBuilder::New(const std::string& block_device,
@@ -182,6 +188,7 @@
device_info_.alignment = geometry_.alignment;
device_info_.alignment_offset = geometry_.alignment_offset;
+ device_info_.logical_block_size = geometry_.logical_block_size;
return true;
}
@@ -205,6 +212,10 @@
LERROR << "Block device size must be a multiple of 512.";
return false;
}
+ if (device_info_.logical_block_size % LP_SECTOR_SIZE != 0) {
+ LERROR << "Logical block size must be a multiple of 512.";
+ return false;
+ }
if (device_info_.alignment_offset % LP_SECTOR_SIZE != 0) {
LERROR << "Alignment offset is not sector-aligned.";
return false;
@@ -248,6 +259,18 @@
return false;
}
+ // Finally, the size of the allocatable space must be a multiple of the
+ // logical block size. If we have no more free space after this
+ // computation, then we abort. Note that the last sector is inclusive,
+ // so we have to account for that.
+ uint64_t num_free_sectors = last_sector - first_sector + 1;
+ uint64_t sectors_per_block = device_info_.logical_block_size / LP_SECTOR_SIZE;
+ if (num_free_sectors < sectors_per_block) {
+ LERROR << "Not enough space to allocate any partition tables.";
+ return false;
+ }
+ last_sector = first_sector + (num_free_sectors / sectors_per_block) * sectors_per_block - 1;
+
geometry_.first_logical_sector = first_sector;
geometry_.last_logical_sector = last_sector;
geometry_.metadata_max_size = metadata_max_size;
@@ -255,6 +278,7 @@
geometry_.alignment = device_info_.alignment;
geometry_.alignment_offset = device_info_.alignment_offset;
geometry_.block_device_size = device_info_.size;
+ geometry_.logical_block_size = device_info.logical_block_size;
return true;
}
@@ -290,13 +314,7 @@
}
}
-bool MetadataBuilder::GrowPartition(Partition* partition, uint64_t requested_size) {
- // Align the space needed up to the nearest sector.
- uint64_t aligned_size = AlignTo(requested_size, LP_SECTOR_SIZE);
- if (partition->size() >= aligned_size) {
- return true;
- }
-
+bool MetadataBuilder::GrowPartition(Partition* partition, uint64_t aligned_size) {
// Figure out how much we need to allocate.
uint64_t space_needed = aligned_size - partition->size();
uint64_t sectors_needed = space_needed / LP_SECTOR_SIZE;
@@ -307,95 +325,101 @@
uint64_t end;
Interval(uint64_t start, uint64_t end) : start(start), end(end) {}
+ uint64_t length() const { return end - start; }
bool operator<(const Interval& other) const { return start < other.start; }
};
- std::vector<Interval> intervals;
- // Collect all extents in the partition table.
+ // Collect all extents in the partition table, then sort them by starting
+ // sector.
+ std::vector<Interval> extents;
for (const auto& partition : partitions_) {
for (const auto& extent : partition->extents()) {
LinearExtent* linear = extent->AsLinearExtent();
if (!linear) {
continue;
}
- intervals.emplace_back(linear->physical_sector(),
- linear->physical_sector() + extent->num_sectors());
+ extents.emplace_back(linear->physical_sector(),
+ linear->physical_sector() + extent->num_sectors());
}
}
+ std::sort(extents.begin(), extents.end());
- // Sort extents by starting sector.
- std::sort(intervals.begin(), intervals.end());
+ // Convert the extent list into a list of gaps between the extents; i.e.,
+ // the list of ranges that are free on the disk.
+ std::vector<Interval> free_regions;
+ for (size_t i = 1; i < extents.size(); i++) {
+ const Interval& previous = extents[i - 1];
+ const Interval& current = extents[i];
+
+ uint64_t aligned = AlignSector(previous.end);
+ if (aligned >= current.start) {
+ // There is no gap between these two extents, try the next one.
+ // Note that we check with >= instead of >, since alignment may
+ // bump the ending sector past the beginning of the next extent.
+ continue;
+ }
+
+ // The new interval represents the free space starting at the end of
+ // the previous interval, and ending at the start of the next interval.
+ free_regions.emplace_back(aligned, current.start);
+ }
+
+ // Add a final interval representing the remainder of the free space.
+ uint64_t last_free_extent_start =
+ extents.empty() ? geometry_.first_logical_sector : extents.back().end;
+ last_free_extent_start = AlignSector(last_free_extent_start);
+ if (last_free_extent_start <= geometry_.last_logical_sector) {
+ free_regions.emplace_back(last_free_extent_start, geometry_.last_logical_sector + 1);
+ }
+
+ const uint64_t sectors_per_block = device_info_.logical_block_size / LP_SECTOR_SIZE;
+ CHECK(sectors_needed % sectors_per_block == 0);
// Find gaps that we can use for new extents. Note we store new extents in a
// temporary vector, and only commit them if we are guaranteed enough free
// space.
std::vector<std::unique_ptr<LinearExtent>> new_extents;
- for (size_t i = 1; i < intervals.size(); i++) {
- const Interval& previous = intervals[i - 1];
- const Interval& current = intervals[i];
+ for (auto& region : free_regions) {
+ if (region.length() % sectors_per_block != 0) {
+ // This should never happen, because it would imply that we
+ // once allocated an extent that was not a multiple of the
+ // block size. That extent would be rejected by DM_TABLE_LOAD.
+ LERROR << "Region " << region.start << ".." << region.end
+ << " is not a multiple of the block size, " << sectors_per_block;
- if (previous.end >= current.start) {
- // There is no gap between these two extents, try the next one. Note that
- // extents may never overlap, but just for safety, we ignore them if they
- // do.
- DCHECK(previous.end == current.start);
- continue;
+ // If for some reason the final region is mis-sized we still want
+ // to be able to grow partitions. So just to be safe, round the
+ // region down to the nearest block.
+ region.end = region.start + (region.length() / sectors_per_block) * sectors_per_block;
+ if (!region.length()) {
+ continue;
+ }
}
- uint64_t aligned = AlignSector(previous.end);
- if (aligned >= current.start) {
- // After alignment, this extent is not usable.
- continue;
- }
+ uint64_t sectors = std::min(sectors_needed, region.length());
+ CHECK(sectors % sectors_per_block == 0);
- // This gap is enough to hold the remainder of the space requested, so we
- // can allocate what we need and return.
- if (current.start - aligned >= sectors_needed) {
- auto extent = std::make_unique<LinearExtent>(sectors_needed, aligned);
- sectors_needed -= extent->num_sectors();
- new_extents.push_back(std::move(extent));
+ auto extent = std::make_unique<LinearExtent>(sectors, region.start);
+ new_extents.push_back(std::move(extent));
+ sectors_needed -= sectors;
+ if (!sectors_needed) {
break;
}
-
- // This gap is not big enough to fit the remainder of the space requested,
- // so consume the whole thing and keep looking for more.
- auto extent = std::make_unique<LinearExtent>(current.start - aligned, aligned);
- sectors_needed -= extent->num_sectors();
- new_extents.push_back(std::move(extent));
}
-
- // If we still have more to allocate, take it from the remaining free space
- // in the allocatable region.
if (sectors_needed) {
- uint64_t first_sector;
- if (intervals.empty()) {
- first_sector = geometry_.first_logical_sector;
- } else {
- first_sector = intervals.back().end;
- }
- DCHECK(first_sector <= geometry_.last_logical_sector);
-
- // Note: After alignment, |first_sector| may be > the last usable sector.
- first_sector = AlignSector(first_sector);
-
- // Note: the last usable sector is inclusive.
- if (first_sector > geometry_.last_logical_sector ||
- geometry_.last_logical_sector + 1 - first_sector < sectors_needed) {
- LERROR << "Not enough free space to expand partition: " << partition->name();
- return false;
- }
- auto extent = std::make_unique<LinearExtent>(sectors_needed, first_sector);
- new_extents.push_back(std::move(extent));
+ LERROR << "Not enough free space to expand partition: " << partition->name();
+ return false;
}
+ // Everything succeeded, so commit the new extents.
for (auto& extent : new_extents) {
partition->AddExtent(std::move(extent));
}
return true;
}
-void MetadataBuilder::ShrinkPartition(Partition* partition, uint64_t requested_size) {
- partition->ShrinkTo(requested_size);
+void MetadataBuilder::ShrinkPartition(Partition* partition, uint64_t aligned_size) {
+ partition->ShrinkTo(aligned_size);
}
std::unique_ptr<LpMetadata> MetadataBuilder::Export() {
@@ -455,6 +479,12 @@
void MetadataBuilder::set_block_device_info(const BlockDeviceInfo& device_info) {
device_info_.size = device_info.size;
+ // Note that if the logical block size changes, we're probably in trouble:
+ // we could have already built extents that will only work on the previous
+ // size.
+ DCHECK(partitions_.empty() ||
+ device_info_.logical_block_size == device_info.logical_block_size);
+
// The kernel does not guarantee these values are present, so we only
// replace existing values if the new values are non-zero.
if (device_info.alignment) {
@@ -465,5 +495,18 @@
}
}
+bool MetadataBuilder::ResizePartition(Partition* partition, uint64_t requested_size) {
+ // Align the space needed up to the nearest sector.
+ uint64_t aligned_size = AlignTo(requested_size, device_info_.logical_block_size);
+
+ if (aligned_size > partition->size()) {
+ return GrowPartition(partition, aligned_size);
+ }
+ if (aligned_size < partition->size()) {
+ ShrinkPartition(partition, aligned_size);
+ }
+ return true;
+}
+
} // namespace fs_mgr
} // namespace android
diff --git a/fs_mgr/liblp/builder_test.cpp b/fs_mgr/liblp/builder_test.cpp
index b610fd4..f1a91c4 100644
--- a/fs_mgr/liblp/builder_test.cpp
+++ b/fs_mgr/liblp/builder_test.cpp
@@ -45,7 +45,7 @@
Partition* system = builder->AddPartition("system", TEST_GUID, LP_PARTITION_ATTR_READONLY);
ASSERT_NE(system, nullptr);
- EXPECT_EQ(builder->GrowPartition(system, 65536), true);
+ EXPECT_EQ(builder->ResizePartition(system, 65536), true);
EXPECT_EQ(system->size(), 65536);
ASSERT_EQ(system->extents().size(), 1);
@@ -55,24 +55,23 @@
// The first logical sector will be (4096+1024*2)/512 = 12.
EXPECT_EQ(extent->physical_sector(), 12);
- // Test growing to the same size.
- EXPECT_EQ(builder->GrowPartition(system, 65536), true);
+ // Test resizing to the same size.
+ EXPECT_EQ(builder->ResizePartition(system, 65536), true);
EXPECT_EQ(system->size(), 65536);
EXPECT_EQ(system->extents().size(), 1);
EXPECT_EQ(system->extents()[0]->num_sectors(), 65536 / LP_SECTOR_SIZE);
- // Test growing to a smaller size.
- EXPECT_EQ(builder->GrowPartition(system, 0), true);
- EXPECT_EQ(system->size(), 65536);
+ // Test resizing to a smaller size.
+ EXPECT_EQ(builder->ResizePartition(system, 0), true);
+ EXPECT_EQ(system->size(), 0);
+ EXPECT_EQ(system->extents().size(), 0);
+ // Test resizing to a greater size.
+ builder->ResizePartition(system, 131072);
+ EXPECT_EQ(system->size(), 131072);
EXPECT_EQ(system->extents().size(), 1);
- EXPECT_EQ(system->extents()[0]->num_sectors(), 65536 / LP_SECTOR_SIZE);
- // Test shrinking to a greater size.
- builder->ShrinkPartition(system, 131072);
- EXPECT_EQ(system->size(), 65536);
- EXPECT_EQ(system->extents().size(), 1);
- EXPECT_EQ(system->extents()[0]->num_sectors(), 65536 / LP_SECTOR_SIZE);
+ EXPECT_EQ(system->extents()[0]->num_sectors(), 131072 / LP_SECTOR_SIZE);
// Test shrinking within the same extent.
- builder->ShrinkPartition(system, 32768);
+ builder->ResizePartition(system, 32768);
EXPECT_EQ(system->size(), 32768);
EXPECT_EQ(system->extents().size(), 1);
extent = system->extents()[0]->AsLinearExtent();
@@ -81,7 +80,7 @@
EXPECT_EQ(extent->physical_sector(), 12);
// Test shrinking to 0.
- builder->ShrinkPartition(system, 0);
+ builder->ResizePartition(system, 0);
EXPECT_EQ(system->size(), 0);
EXPECT_EQ(system->extents().size(), 0);
}
@@ -92,12 +91,12 @@
// Test that we align up to one sector.
Partition* system = builder->AddPartition("system", TEST_GUID, LP_PARTITION_ATTR_READONLY);
ASSERT_NE(system, nullptr);
- EXPECT_EQ(builder->GrowPartition(system, 10000), true);
- EXPECT_EQ(system->size(), 10240);
+ EXPECT_EQ(builder->ResizePartition(system, 10000), true);
+ EXPECT_EQ(system->size(), 12288);
EXPECT_EQ(system->extents().size(), 1);
- builder->ShrinkPartition(system, 9000);
- EXPECT_EQ(system->size(), 9216);
+ builder->ResizePartition(system, 7000);
+ EXPECT_EQ(system->size(), 8192);
EXPECT_EQ(system->extents().size(), 1);
}
@@ -121,13 +120,13 @@
TEST(liblp, InternalAlignment) {
// Test the metadata fitting within alignment.
- BlockDeviceInfo device_info(1024 * 1024, 768 * 1024, 0);
+ BlockDeviceInfo device_info(1024 * 1024, 768 * 1024, 0, 4096);
unique_ptr<MetadataBuilder> builder = MetadataBuilder::New(device_info, 1024, 2);
ASSERT_NE(builder, nullptr);
unique_ptr<LpMetadata> exported = builder->Export();
ASSERT_NE(exported, nullptr);
EXPECT_EQ(exported->geometry.first_logical_sector, 1536);
- EXPECT_EQ(exported->geometry.last_logical_sector, 2035);
+ EXPECT_EQ(exported->geometry.last_logical_sector, 2031);
// Test a large alignment offset thrown in.
device_info.alignment_offset = 753664;
@@ -136,7 +135,7 @@
exported = builder->Export();
ASSERT_NE(exported, nullptr);
EXPECT_EQ(exported->geometry.first_logical_sector, 1472);
- EXPECT_EQ(exported->geometry.last_logical_sector, 2035);
+ EXPECT_EQ(exported->geometry.last_logical_sector, 2031);
// Alignment offset without alignment doesn't mean anything.
device_info.alignment = 0;
@@ -151,7 +150,7 @@
exported = builder->Export();
ASSERT_NE(exported, nullptr);
EXPECT_EQ(exported->geometry.first_logical_sector, 78);
- EXPECT_EQ(exported->geometry.last_logical_sector, 1975);
+ EXPECT_EQ(exported->geometry.last_logical_sector, 1973);
// Test a small alignment with no alignment offset.
device_info.alignment = 11 * 1024;
@@ -164,7 +163,7 @@
}
TEST(liblp, InternalPartitionAlignment) {
- BlockDeviceInfo device_info(512 * 1024 * 1024, 768 * 1024, 753664);
+ BlockDeviceInfo device_info(512 * 1024 * 1024, 768 * 1024, 753664, 4096);
unique_ptr<MetadataBuilder> builder = MetadataBuilder::New(device_info, 32 * 1024, 2);
Partition* a = builder->AddPartition("a", TEST_GUID, 0);
@@ -174,8 +173,8 @@
// Add a bunch of small extents to each, interleaving.
for (size_t i = 0; i < 10; i++) {
- ASSERT_TRUE(builder->GrowPartition(a, a->size() + 4096));
- ASSERT_TRUE(builder->GrowPartition(b, b->size() + 4096));
+ ASSERT_TRUE(builder->ResizePartition(a, a->size() + 4096));
+ ASSERT_TRUE(builder->ResizePartition(b, b->size() + 4096));
}
EXPECT_EQ(a->size(), 40960);
EXPECT_EQ(b->size(), 40960);
@@ -203,9 +202,9 @@
Partition* system = builder->AddPartition("system", TEST_GUID, LP_PARTITION_ATTR_READONLY);
ASSERT_NE(system, nullptr);
- EXPECT_EQ(builder->GrowPartition(system, 1036288), true);
+ EXPECT_EQ(builder->ResizePartition(system, 1036288), true);
EXPECT_EQ(system->size(), 1036288);
- EXPECT_EQ(builder->GrowPartition(system, 1036289), false);
+ EXPECT_EQ(builder->ResizePartition(system, 1036289), false);
}
TEST(liblp, BuildComplex) {
@@ -215,9 +214,9 @@
Partition* vendor = builder->AddPartition("vendor", TEST_GUID2, LP_PARTITION_ATTR_READONLY);
ASSERT_NE(system, nullptr);
ASSERT_NE(vendor, nullptr);
- EXPECT_EQ(builder->GrowPartition(system, 65536), true);
- EXPECT_EQ(builder->GrowPartition(vendor, 32768), true);
- EXPECT_EQ(builder->GrowPartition(system, 98304), true);
+ EXPECT_EQ(builder->ResizePartition(system, 65536), true);
+ EXPECT_EQ(builder->ResizePartition(vendor, 32768), true);
+ EXPECT_EQ(builder->ResizePartition(system, 98304), true);
EXPECT_EQ(system->size(), 98304);
EXPECT_EQ(vendor->size(), 32768);
@@ -268,9 +267,9 @@
Partition* vendor = builder->AddPartition("vendor", TEST_GUID2, LP_PARTITION_ATTR_READONLY);
ASSERT_NE(system, nullptr);
ASSERT_NE(vendor, nullptr);
- EXPECT_EQ(builder->GrowPartition(system, 65536), true);
- EXPECT_EQ(builder->GrowPartition(vendor, 32768), true);
- EXPECT_EQ(builder->GrowPartition(system, 98304), true);
+ EXPECT_EQ(builder->ResizePartition(system, 65536), true);
+ EXPECT_EQ(builder->ResizePartition(vendor, 32768), true);
+ EXPECT_EQ(builder->ResizePartition(system, 98304), true);
unique_ptr<LpMetadata> exported = builder->Export();
EXPECT_NE(exported, nullptr);
@@ -323,9 +322,9 @@
Partition* vendor = builder->AddPartition("vendor", TEST_GUID2, LP_PARTITION_ATTR_READONLY);
ASSERT_NE(system, nullptr);
ASSERT_NE(vendor, nullptr);
- EXPECT_EQ(builder->GrowPartition(system, 65536), true);
- EXPECT_EQ(builder->GrowPartition(vendor, 32768), true);
- EXPECT_EQ(builder->GrowPartition(system, 98304), true);
+ EXPECT_EQ(builder->ResizePartition(system, 65536), true);
+ EXPECT_EQ(builder->ResizePartition(vendor, 32768), true);
+ EXPECT_EQ(builder->ResizePartition(system, 98304), true);
unique_ptr<LpMetadata> exported = builder->Export();
ASSERT_NE(exported, nullptr);
@@ -382,7 +381,7 @@
static const size_t kMetadataSize = 64 * 1024;
// No space to store metadata + geometry.
- BlockDeviceInfo device_info(kDiskSize, 0, 0);
+ BlockDeviceInfo device_info(kDiskSize, 0, 0, 4096);
unique_ptr<MetadataBuilder> builder = MetadataBuilder::New(device_info, kMetadataSize, 1);
EXPECT_EQ(builder, nullptr);
@@ -391,8 +390,8 @@
builder = MetadataBuilder::New(device_info, kMetadataSize, 1);
EXPECT_EQ(builder, nullptr);
- // Space for metadata + geometry + one free sector.
- device_info.size += LP_SECTOR_SIZE;
+ // Space for metadata + geometry + one free block.
+ device_info.size += device_info.logical_block_size;
builder = MetadataBuilder::New(device_info, kMetadataSize, 1);
EXPECT_NE(builder, nullptr);
@@ -425,19 +424,21 @@
ASSERT_EQ(device_info.alignment % LP_SECTOR_SIZE, 0);
ASSERT_EQ(device_info.alignment_offset % LP_SECTOR_SIZE, 0);
ASSERT_LE(device_info.alignment_offset, INT_MAX);
+ ASSERT_EQ(device_info.logical_block_size % LP_SECTOR_SIZE, 0);
// Having an alignment offset > alignment doesn't really make sense.
ASSERT_LT(device_info.alignment_offset, device_info.alignment);
}
TEST(liblp, UpdateBlockDeviceInfo) {
- BlockDeviceInfo device_info(1024 * 1024, 4096, 1024);
+ BlockDeviceInfo device_info(1024 * 1024, 4096, 1024, 4096);
unique_ptr<MetadataBuilder> builder = MetadataBuilder::New(device_info, 1024, 1);
ASSERT_NE(builder, nullptr);
EXPECT_EQ(builder->block_device_info().size, device_info.size);
EXPECT_EQ(builder->block_device_info().alignment, device_info.alignment);
EXPECT_EQ(builder->block_device_info().alignment_offset, device_info.alignment_offset);
+ EXPECT_EQ(builder->block_device_info().logical_block_size, device_info.logical_block_size);
device_info.alignment = 0;
device_info.alignment_offset = 2048;
@@ -451,3 +452,27 @@
EXPECT_EQ(builder->block_device_info().alignment, 8192);
EXPECT_EQ(builder->block_device_info().alignment_offset, 2048);
}
+
+TEST(liblp, InvalidBlockSize) {
+ BlockDeviceInfo device_info(1024 * 1024, 0, 0, 513);
+ unique_ptr<MetadataBuilder> builder = MetadataBuilder::New(device_info, 1024, 1);
+ EXPECT_EQ(builder, nullptr);
+}
+
+TEST(liblp, AlignedExtentSize) {
+ BlockDeviceInfo device_info(1024 * 1024, 0, 0, 4096);
+ unique_ptr<MetadataBuilder> builder = MetadataBuilder::New(device_info, 1024, 1);
+ ASSERT_NE(builder, nullptr);
+
+ Partition* partition = builder->AddPartition("system", TEST_GUID, 0);
+ ASSERT_NE(partition, nullptr);
+ ASSERT_TRUE(builder->ResizePartition(partition, 512));
+ EXPECT_EQ(partition->size(), 4096);
+}
+
+TEST(liblp, AlignedFreeSpace) {
+ // Only one sector free - at least one block is required.
+ BlockDeviceInfo device_info(10240, 0, 0, 4096);
+ unique_ptr<MetadataBuilder> builder = MetadataBuilder::New(device_info, 512, 1);
+ ASSERT_EQ(builder, nullptr);
+}
diff --git a/fs_mgr/liblp/include/liblp/builder.h b/fs_mgr/liblp/include/liblp/builder.h
index 8bde313..e83b922 100644
--- a/fs_mgr/liblp/include/liblp/builder.h
+++ b/fs_mgr/liblp/include/liblp/builder.h
@@ -32,11 +32,16 @@
// By default, partitions are aligned on a 1MiB boundary.
static const uint32_t kDefaultPartitionAlignment = 1024 * 1024;
+static const uint32_t kDefaultBlockSize = 4096;
struct BlockDeviceInfo {
- BlockDeviceInfo() : size(0), alignment(0), alignment_offset(0) {}
- BlockDeviceInfo(uint64_t size, uint32_t alignment, uint32_t alignment_offset)
- : size(size), alignment(alignment), alignment_offset(alignment_offset) {}
+ BlockDeviceInfo() : size(0), alignment(0), alignment_offset(0), logical_block_size(0) {}
+ BlockDeviceInfo(uint64_t size, uint32_t alignment, uint32_t alignment_offset,
+ uint32_t logical_block_size)
+ : size(size),
+ alignment(alignment),
+ alignment_offset(alignment_offset),
+ logical_block_size(logical_block_size) {}
// Size of the block device, in bytes.
uint64_t size;
// Optimal target alignment, in bytes. Partition extents will be aligned to
@@ -46,6 +51,8 @@
// |alignment_offset| on the target device is correctly aligned on its
// parent device. This value must be 0 or a multiple of 512.
uint32_t alignment_offset;
+ // Block size, for aligning extent sizes and partition sizes.
+ uint32_t logical_block_size;
};
// Abstraction around dm-targets that can be encoded into logical partition tables.
@@ -88,6 +95,8 @@
};
class Partition final {
+ friend class MetadataBuilder;
+
public:
Partition(const std::string& name, const std::string& guid, uint32_t attributes);
@@ -97,10 +106,6 @@
// Remove all extents from this partition.
void RemoveExtents();
- // Remove and/or shrink extents until the partition is the requested size.
- // See MetadataBuilder::ShrinkPartition for more information.
- void ShrinkTo(uint64_t requested_size);
-
const std::string& name() const { return name_; }
uint32_t attributes() const { return attributes_; }
const std::string& guid() const { return guid_; }
@@ -108,6 +113,8 @@
uint64_t size() const { return size_; }
private:
+ void ShrinkTo(uint64_t aligned_size);
+
std::string name_;
std::string guid_;
std::vector<std::unique_ptr<Extent>> extents_;
@@ -144,7 +151,7 @@
// size. This is a convenience method for tests.
static std::unique_ptr<MetadataBuilder> New(uint64_t blockdev_size, uint32_t metadata_max_size,
uint32_t metadata_slot_count) {
- BlockDeviceInfo device_info(blockdev_size, 0, 0);
+ BlockDeviceInfo device_info(blockdev_size, 0, 0, kDefaultBlockSize);
return New(device_info, metadata_max_size, metadata_slot_count);
}
@@ -162,29 +169,17 @@
// Find a partition by name. If no partition is found, nullptr is returned.
Partition* FindPartition(const std::string& name);
- // Grow a partition to the requested size. If the partition's size is already
- // greater or equal to the requested size, this will return true and the
- // partition table will not be changed. Otherwise, a greedy algorithm is
- // used to find free gaps in the partition table and allocate them for this
- // partition. If not enough space can be allocated, false is returned, and
- // the parition table will not be modified.
+ // Grow or shrink a partition to the requested size. This size will be
+ // rounded UP to the nearest block (512 bytes).
//
- // The size will be rounded UP to the nearest sector.
+ // When growing a partition, a greedy algorithm is used to find free gaps
+ // in the partition table and allocate them. If not enough space can be
+ // allocated, false is returned, and the parition table will not be
+ // modified.
//
// Note, this is an in-memory operation, and it does not alter the
// underlying filesystem or contents of the partition on disk.
- bool GrowPartition(Partition* partition, uint64_t requested_size);
-
- // Shrink a partition to the requested size. If the partition is already
- // smaller than the given size, this will return and the partition table
- // will not be changed. Otherwise, extents will be removed and/or shrunk
- // from the end of the partition until it is the requested size.
- //
- // The size will be rounded UP to the nearest sector.
- //
- // Note, this is an in-memory operation, and it does not alter the
- // underlying filesystem or contents of the partition on disk.
- void ShrinkPartition(Partition* partition, uint64_t requested_size);
+ bool ResizePartition(Partition* partition, uint64_t requested_size);
// Amount of space that can be allocated to logical partitions.
uint64_t AllocatableSpace() const;
@@ -198,7 +193,8 @@
MetadataBuilder();
bool Init(const BlockDeviceInfo& info, uint32_t metadata_max_size, uint32_t metadata_slot_count);
bool Init(const LpMetadata& metadata);
-
+ bool GrowPartition(Partition* partition, uint64_t aligned_size);
+ void ShrinkPartition(Partition* partition, uint64_t aligned_size);
uint64_t AlignSector(uint64_t sector);
LpMetadataGeometry geometry_;
diff --git a/fs_mgr/liblp/include/liblp/metadata_format.h b/fs_mgr/liblp/include/liblp/metadata_format.h
index e1323e1..52c80f7 100644
--- a/fs_mgr/liblp/include/liblp/metadata_format.h
+++ b/fs_mgr/liblp/include/liblp/metadata_format.h
@@ -136,6 +136,12 @@
* can be used to verify the geometry against a target device.
*/
uint64_t block_device_size;
+
+ /* 76: Logical block size of the super partition block device. This is the
+ * minimal alignment for partition and extent sizes, and it must be a
+ * multiple of LP_SECTOR_SIZE.
+ */
+ uint32_t logical_block_size;
} __attribute__((packed)) LpMetadataGeometry;
/* The logical partition metadata has a number of tables; they are described
diff --git a/fs_mgr/liblp/io_test.cpp b/fs_mgr/liblp/io_test.cpp
index bbbedc7..638f4b3 100644
--- a/fs_mgr/liblp/io_test.cpp
+++ b/fs_mgr/liblp/io_test.cpp
@@ -85,7 +85,7 @@
if (!system) {
return false;
}
- return builder->GrowPartition(system, 24 * 1024);
+ return builder->ResizePartition(system, 24 * 1024);
}
// Create a temporary disk and flash it with the default partition setup.
@@ -345,7 +345,7 @@
ASSERT_NE(partition, nullptr);
// Add one extent to any partition to fill up more space - we're at 508
// bytes after this, out of 512.
- ASSERT_TRUE(builder->GrowPartition(partition, 1024));
+ ASSERT_TRUE(builder->ResizePartition(partition, 1024));
unique_ptr<LpMetadata> exported = builder->Export();
ASSERT_NE(exported, nullptr);
diff --git a/fs_mgr/liblp/utility_test.cpp b/fs_mgr/liblp/utility_test.cpp
index 092dbf1..7bf42ae 100644
--- a/fs_mgr/liblp/utility_test.cpp
+++ b/fs_mgr/liblp/utility_test.cpp
@@ -40,7 +40,8 @@
80000,
0,
0,
- 1024 * 1024};
+ 1024 * 1024,
+ 4096};
EXPECT_EQ(GetPrimaryMetadataOffset(geometry, 0), 4096);
EXPECT_EQ(GetPrimaryMetadataOffset(geometry, 1), 4096 + 16384);
EXPECT_EQ(GetPrimaryMetadataOffset(geometry, 2), 4096 + 16384 * 2);
diff --git a/init/devices.cpp b/init/devices.cpp
index ed4a739..ba08180 100644
--- a/init/devices.cpp
+++ b/init/devices.cpp
@@ -372,7 +372,7 @@
}
}
-void DeviceHandler::HandleDeviceEvent(const Uevent& uevent) {
+void DeviceHandler::HandleUevent(const Uevent& uevent) {
if (uevent.action == "add" || uevent.action == "change" || uevent.action == "online") {
FixupSysPermissions(uevent.path, uevent.subsystem);
}
@@ -418,6 +418,10 @@
HandleDevice(uevent.action, devpath, block, uevent.major, uevent.minor, links);
}
+void DeviceHandler::ColdbootDone() {
+ skip_restorecon_ = true;
+}
+
DeviceHandler::DeviceHandler(std::vector<Permissions> dev_permissions,
std::vector<SysfsPermissions> sysfs_permissions,
std::vector<Subsystem> subsystems, std::set<std::string> boot_devices,
diff --git a/init/devices.h b/init/devices.h
index 0be660f..9d39eaa 100644
--- a/init/devices.h
+++ b/init/devices.h
@@ -29,6 +29,7 @@
#include <selinux/label.h>
#include "uevent.h"
+#include "uevent_handler.h"
namespace android {
namespace init {
@@ -105,7 +106,7 @@
std::string dir_name_ = "/dev";
};
-class DeviceHandler {
+class DeviceHandler : public UeventHandler {
public:
friend class DeviceHandlerTester;
@@ -113,11 +114,12 @@
DeviceHandler(std::vector<Permissions> dev_permissions,
std::vector<SysfsPermissions> sysfs_permissions, std::vector<Subsystem> subsystems,
std::set<std::string> boot_devices, bool skip_restorecon);
+ virtual ~DeviceHandler() = default;
- void HandleDeviceEvent(const Uevent& uevent);
+ void HandleUevent(const Uevent& uevent) override;
+ void ColdbootDone() override;
std::vector<std::string> GetBlockDeviceSymlinks(const Uevent& uevent) const;
- void set_skip_restorecon(bool value) { skip_restorecon_ = value; }
private:
bool FindPlatformDevice(std::string path, std::string* platform_device_path) const;
diff --git a/init/firmware_handler.cpp b/init/firmware_handler.cpp
index 28bda34..740e82c 100644
--- a/init/firmware_handler.cpp
+++ b/init/firmware_handler.cpp
@@ -35,8 +35,6 @@
namespace android {
namespace init {
-std::vector<std::string> firmware_directories;
-
static void LoadFirmware(const Uevent& uevent, const std::string& root, int fw_fd, size_t fw_size,
int loading_fd, int data_fd) {
// Start transfer.
@@ -58,7 +56,10 @@
return access("/dev/.booting", F_OK) == 0;
}
-static void ProcessFirmwareEvent(const Uevent& uevent) {
+FirmwareHandler::FirmwareHandler(std::vector<std::string> firmware_directories)
+ : firmware_directories_(std::move(firmware_directories)) {}
+
+void FirmwareHandler::ProcessFirmwareEvent(const Uevent& uevent) {
int booting = IsBooting();
LOG(INFO) << "firmware: loading '" << uevent.firmware << "' for '" << uevent.path << "'";
@@ -80,7 +81,7 @@
}
try_loading_again:
- for (const auto& firmware_directory : firmware_directories) {
+ for (const auto& firmware_directory : firmware_directories_) {
std::string file = firmware_directory + uevent.firmware;
unique_fd fw_fd(open(file.c_str(), O_RDONLY | O_CLOEXEC));
struct stat sb;
@@ -104,7 +105,7 @@
write(loading_fd, "-1", 2);
}
-void HandleFirmwareEvent(const Uevent& uevent) {
+void FirmwareHandler::HandleUevent(const Uevent& uevent) {
if (uevent.subsystem != "firmware" || uevent.action != "add") return;
// Loading the firmware in a child means we can do that in parallel...
diff --git a/init/firmware_handler.h b/init/firmware_handler.h
index 6081511..3996096 100644
--- a/init/firmware_handler.h
+++ b/init/firmware_handler.h
@@ -21,13 +21,23 @@
#include <vector>
#include "uevent.h"
+#include "uevent_handler.h"
namespace android {
namespace init {
-extern std::vector<std::string> firmware_directories;
+class FirmwareHandler : public UeventHandler {
+ public:
+ explicit FirmwareHandler(std::vector<std::string> firmware_directories);
+ virtual ~FirmwareHandler() = default;
-void HandleFirmwareEvent(const Uevent& uevent);
+ void HandleUevent(const Uevent& uevent) override;
+
+ private:
+ void ProcessFirmwareEvent(const Uevent& uevent);
+
+ std::vector<std::string> firmware_directories_;
+};
} // namespace init
} // namespace android
diff --git a/init/first_stage_mount.cpp b/init/first_stage_mount.cpp
index 43075b2..41e8fff 100644
--- a/init/first_stage_mount.cpp
+++ b/init/first_stage_mount.cpp
@@ -206,7 +206,7 @@
bool found = false;
auto dm_callback = [this, &dm_path, &found](const Uevent& uevent) {
if (uevent.path == dm_path) {
- device_handler_->HandleDeviceEvent(uevent);
+ device_handler_->HandleUevent(uevent);
found = true;
return ListenerAction::kStop;
}
@@ -273,7 +273,7 @@
lp_metadata_partition_ = links[0];
}
required_devices_partition_names_.erase(iter);
- device_handler_->HandleDeviceEvent(uevent);
+ device_handler_->HandleUevent(uevent);
if (required_devices_partition_names_.empty()) {
return ListenerAction::kStop;
} else {
@@ -310,7 +310,7 @@
auto verity_callback = [&device_name, &dm_device, this, &found](const Uevent& uevent) {
if (uevent.device_name == device_name) {
LOG(VERBOSE) << "Creating device-mapper device : " << dm_device;
- device_handler_->HandleDeviceEvent(uevent);
+ device_handler_->HandleUevent(uevent);
found = true;
return ListenerAction::kStop;
}
diff --git a/init/init.cpp b/init/init.cpp
index 73194bd..7ad9ec3 100644
--- a/init/init.cpp
+++ b/init/init.cpp
@@ -670,6 +670,10 @@
CHECKCALL(mknod("/dev/random", S_IFCHR | 0666, makedev(1, 8)));
CHECKCALL(mknod("/dev/urandom", S_IFCHR | 0666, makedev(1, 9)));
+ // This is needed for log wrapper, which gets called before ueventd runs.
+ CHECKCALL(mknod("/dev/ptmx", S_IFCHR | 0666, makedev(5, 2)));
+ CHECKCALL(mknod("/dev/null", S_IFCHR | 0666, makedev(1, 3)));
+
// Mount staging areas for devices managed by vold
// See storage config details at http://source.android.com/devices/storage/
CHECKCALL(mount("tmpfs", "/mnt", "tmpfs", MS_NOEXEC | MS_NOSUID | MS_NODEV,
diff --git a/init/modalias_handler.cpp b/init/modalias_handler.cpp
index 1734a7e..1e0db57 100644
--- a/init/modalias_handler.cpp
+++ b/init/modalias_handler.cpp
@@ -139,7 +139,7 @@
return Insmod(dependencies[0], args);
}
-void ModaliasHandler::HandleModaliasEvent(const Uevent& uevent) {
+void ModaliasHandler::HandleUevent(const Uevent& uevent) {
if (uevent.modalias.empty()) return;
for (const auto& [alias, module] : module_aliases_) {
diff --git a/init/modalias_handler.h b/init/modalias_handler.h
index e79da32..3247c86 100644
--- a/init/modalias_handler.h
+++ b/init/modalias_handler.h
@@ -16,22 +16,23 @@
#pragma once
-#include "result.h"
-#include "uevent.h"
-
#include <string>
#include <unordered_map>
#include <vector>
+#include "result.h"
+#include "uevent.h"
+#include "uevent_handler.h"
+
namespace android {
namespace init {
-class ModaliasHandler {
+class ModaliasHandler : public UeventHandler {
public:
ModaliasHandler();
- ~ModaliasHandler(){};
+ virtual ~ModaliasHandler() = default;
- void HandleModaliasEvent(const Uevent& uevent);
+ void HandleUevent(const Uevent& uevent) override;
private:
Result<Success> InsmodWithDeps(const std::string& module_name, const std::string& args);
diff --git a/init/selinux.cpp b/init/selinux.cpp
index 94f206e..b788be9 100644
--- a/init/selinux.cpp
+++ b/init/selinux.cpp
@@ -414,6 +414,8 @@
if constexpr (WORLD_WRITABLE_KMSG) {
selinux_android_restorecon("/dev/kmsg_debug", 0);
}
+ selinux_android_restorecon("/dev/null", 0);
+ selinux_android_restorecon("/dev/ptmx", 0);
selinux_android_restorecon("/dev/socket", 0);
selinux_android_restorecon("/dev/random", 0);
selinux_android_restorecon("/dev/urandom", 0);
diff --git a/init/uevent_handler.h b/init/uevent_handler.h
new file mode 100644
index 0000000..75d1990
--- /dev/null
+++ b/init/uevent_handler.h
@@ -0,0 +1,34 @@
+/*
+ * Copyright (C) 2018 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.
+ */
+
+#pragma once
+
+#include "uevent.h"
+
+namespace android {
+namespace init {
+
+class UeventHandler {
+ public:
+ virtual ~UeventHandler() = default;
+
+ virtual void HandleUevent(const Uevent& uevent) = 0;
+
+ virtual void ColdbootDone() {}
+};
+
+} // namespace init
+} // namespace android
diff --git a/init/ueventd.cpp b/init/ueventd.cpp
index e9d829b..95be6af 100644
--- a/init/ueventd.cpp
+++ b/init/ueventd.cpp
@@ -38,6 +38,7 @@
#include "firmware_handler.h"
#include "modalias_handler.h"
#include "selinux.h"
+#include "uevent_handler.h"
#include "uevent_listener.h"
#include "ueventd_parser.h"
#include "util.h"
@@ -107,11 +108,10 @@
class ColdBoot {
public:
- ColdBoot(UeventListener& uevent_listener, DeviceHandler& device_handler,
- ModaliasHandler& modalias_handler)
+ ColdBoot(UeventListener& uevent_listener,
+ std::vector<std::unique_ptr<UeventHandler>>& uevent_handlers)
: uevent_listener_(uevent_listener),
- device_handler_(device_handler),
- modalias_handler_(modalias_handler),
+ uevent_handlers_(uevent_handlers),
num_handler_subprocesses_(std::thread::hardware_concurrency() ?: 4) {}
void Run();
@@ -124,8 +124,7 @@
void WaitForSubProcesses();
UeventListener& uevent_listener_;
- DeviceHandler& device_handler_;
- ModaliasHandler& modalias_handler_;
+ std::vector<std::unique_ptr<UeventHandler>>& uevent_handlers_;
unsigned int num_handler_subprocesses_;
std::vector<Uevent> uevent_queue_;
@@ -136,16 +135,16 @@
void ColdBoot::UeventHandlerMain(unsigned int process_num, unsigned int total_processes) {
for (unsigned int i = process_num; i < uevent_queue_.size(); i += total_processes) {
auto& uevent = uevent_queue_[i];
- device_handler_.HandleDeviceEvent(uevent);
- modalias_handler_.HandleModaliasEvent(uevent);
+
+ for (auto& uevent_handler : uevent_handlers_) {
+ uevent_handler->HandleUevent(uevent);
+ }
}
_exit(EXIT_SUCCESS);
}
void ColdBoot::RegenerateUevents() {
uevent_listener_.RegenerateUevents([this](const Uevent& uevent) {
- HandleFirmwareEvent(uevent);
-
uevent_queue_.emplace_back(std::move(uevent));
return ListenerAction::kContinue;
});
@@ -168,7 +167,6 @@
void ColdBoot::DoRestoreCon() {
selinux_android_restorecon("/sys", SELINUX_ANDROID_RESTORECON_RECURSE);
- device_handler_.set_skip_restorecon(false);
}
void ColdBoot::WaitForSubProcesses() {
@@ -234,8 +232,7 @@
SelinuxSetupKernelLogging();
SelabelInitialize();
- DeviceHandler device_handler;
- ModaliasHandler modalias_handler;
+ std::vector<std::unique_ptr<UeventHandler>> uevent_handlers;
UeventListener uevent_listener;
{
@@ -248,19 +245,27 @@
ParseConfig({"/ueventd.rc", "/vendor/ueventd.rc", "/odm/ueventd.rc",
"/ueventd." + hardware + ".rc"});
- device_handler = DeviceHandler{std::move(ueventd_configuration.dev_permissions),
- std::move(ueventd_configuration.sysfs_permissions),
- std::move(ueventd_configuration.subsystems),
- fs_mgr_get_boot_devices(), true};
+ uevent_handlers.emplace_back(std::make_unique<DeviceHandler>(
+ std::move(ueventd_configuration.dev_permissions),
+ std::move(ueventd_configuration.sysfs_permissions),
+ std::move(ueventd_configuration.subsystems), fs_mgr_get_boot_devices(), true));
+ uevent_handlers.emplace_back(std::make_unique<FirmwareHandler>(
+ std::move(ueventd_configuration.firmware_directories)));
- firmware_directories = ueventd_configuration.firmware_directories;
+ if (ueventd_configuration.enable_modalias_handling) {
+ uevent_handlers.emplace_back(std::make_unique<ModaliasHandler>());
+ }
}
if (access(COLDBOOT_DONE, F_OK) != 0) {
- ColdBoot cold_boot(uevent_listener, device_handler, modalias_handler);
+ ColdBoot cold_boot(uevent_listener, uevent_handlers);
cold_boot.Run();
}
+ for (auto& uevent_handler : uevent_handlers) {
+ uevent_handler->ColdbootDone();
+ }
+
// We use waitpid() in ColdBoot, so we can't ignore SIGCHLD until now.
signal(SIGCHLD, SIG_IGN);
// Reap and pending children that exited between the last call to waitpid() and setting SIG_IGN
@@ -268,10 +273,10 @@
while (waitpid(-1, nullptr, WNOHANG) > 0) {
}
- uevent_listener.Poll([&device_handler, &modalias_handler](const Uevent& uevent) {
- HandleFirmwareEvent(uevent);
- modalias_handler.HandleModaliasEvent(uevent);
- device_handler.HandleDeviceEvent(uevent);
+ uevent_listener.Poll([&uevent_handlers](const Uevent& uevent) {
+ for (auto& uevent_handler : uevent_handlers) {
+ uevent_handler->HandleUevent(uevent);
+ }
return ListenerAction::kContinue;
});
diff --git a/init/ueventd_parser.cpp b/init/ueventd_parser.cpp
index 54b0d16..677938e 100644
--- a/init/ueventd_parser.cpp
+++ b/init/ueventd_parser.cpp
@@ -84,6 +84,23 @@
return Success();
}
+Result<Success> ParseModaliasHandlingLine(std::vector<std::string>&& args,
+ bool* enable_modalias_handling) {
+ if (args.size() != 2) {
+ return Error() << "modalias_handling lines take exactly one parameter";
+ }
+
+ if (args[1] == "enabled") {
+ *enable_modalias_handling = true;
+ } else if (args[1] == "disabled") {
+ *enable_modalias_handling = false;
+ } else {
+ return Error() << "modalias_handling takes either 'enabled' or 'disabled' as a parameter";
+ }
+
+ return Success();
+}
+
class SubsystemParser : public SectionParser {
public:
SubsystemParser(std::vector<Subsystem>* subsystems) : subsystems_(subsystems) {}
@@ -182,6 +199,9 @@
parser.AddSingleLineParser("firmware_directories",
std::bind(ParseFirmwareDirectoriesLine, _1,
&ueventd_configuration.firmware_directories));
+ parser.AddSingleLineParser("modalias_handling",
+ std::bind(ParseModaliasHandlingLine, _1,
+ &ueventd_configuration.enable_modalias_handling));
for (const auto& config : configs) {
parser.ParseConfig(config);
diff --git a/init/ueventd_parser.h b/init/ueventd_parser.h
index 343d58b..7d30edf 100644
--- a/init/ueventd_parser.h
+++ b/init/ueventd_parser.h
@@ -30,6 +30,7 @@
std::vector<SysfsPermissions> sysfs_permissions;
std::vector<Permissions> dev_permissions;
std::vector<std::string> firmware_directories;
+ bool enable_modalias_handling = false;
};
UeventdConfiguration ParseConfig(const std::vector<std::string>& configs);
diff --git a/liblog/include/log/log_event_list.h b/liblog/include/log/log_event_list.h
index bb1ce34..1b7c377 100644
--- a/liblog/include/log/log_event_list.h
+++ b/liblog/include/log/log_event_list.h
@@ -108,6 +108,13 @@
android_log_list_element android_log_read_next(android_log_context ctx);
android_log_list_element android_log_peek_next(android_log_context ctx);
+/* Reset writer context */
+int android_log_reset(android_log_context ctx);
+
+/* Reset reader context */
+int android_log_parser_reset(android_log_context ctx,
+ const char* msg, size_t len);
+
/* Finished with reader or writer context */
int android_log_destroy(android_log_context* ctx);
diff --git a/liblog/include_vndk/log/log_event_list.h b/liblog/include_vndk/log/log_event_list.h
index cbd3091..9f74534 100644
--- a/liblog/include_vndk/log/log_event_list.h
+++ b/liblog/include_vndk/log/log_event_list.h
@@ -63,6 +63,13 @@
/* NB: LOG_ID_EVENTS and LOG_ID_SECURITY only valid binary buffers */
int android_log_write_list(android_log_context ctx, log_id_t id);
+/* Reset writer context */
+int android_log_reset(android_log_context ctx);
+
+/* Reset reader context */
+int android_log_parser_reset(android_log_context ctx,
+ const char* msg, size_t len);
+
/* Finished with reader or writer context */
int android_log_destroy(android_log_context* ctx);
diff --git a/liblog/liblog.map.txt b/liblog/liblog.map.txt
index 66670fe..015c9cb 100644
--- a/liblog/liblog.map.txt
+++ b/liblog/liblog.map.txt
@@ -53,3 +53,9 @@
__android_log_is_loggable_len;
__android_log_is_debuggable; # vndk
};
+
+LIBLOG_Q {
+ global:
+ android_log_reset; #vndk
+ android_log_parser_reset; #vndk
+};
diff --git a/liblog/log_event_list.c b/liblog/log_event_list.c
index a59cb87..14002ce 100644
--- a/liblog/log_event_list.c
+++ b/liblog/log_event_list.c
@@ -45,14 +45,9 @@
uint8_t storage[LOGGER_ENTRY_MAX_PAYLOAD];
} android_log_context_internal;
-LIBLOG_ABI_PUBLIC android_log_context create_android_logger(uint32_t tag) {
- size_t needed, i;
- android_log_context_internal* context;
+static void init_context(android_log_context_internal* context, uint32_t tag) {
+ size_t needed;
- context = calloc(1, sizeof(android_log_context_internal));
- if (!context) {
- return NULL;
- }
context->tag = tag;
context->read_write_flag = kAndroidLoggerWrite;
needed = sizeof(uint8_t) + sizeof(uint8_t);
@@ -63,6 +58,24 @@
context->storage[context->pos + 0] = EVENT_TYPE_LIST;
context->list[0] = context->pos + 1;
context->pos += needed;
+}
+
+static void init_parser_context(android_log_context_internal* context,
+ const char* msg, size_t len) {
+ len = (len <= MAX_EVENT_PAYLOAD) ? len : MAX_EVENT_PAYLOAD;
+ context->len = len;
+ memcpy(context->storage, msg, len);
+ context->read_write_flag = kAndroidLoggerRead;
+}
+
+LIBLOG_ABI_PUBLIC android_log_context create_android_logger(uint32_t tag) {
+ android_log_context_internal* context;
+
+ context = calloc(1, sizeof(android_log_context_internal));
+ if (!context) {
+ return NULL;
+ }
+ init_context(context, tag);
return (android_log_context)context;
}
@@ -76,10 +89,7 @@
if (!context) {
return NULL;
}
- len = (len <= MAX_EVENT_PAYLOAD) ? len : MAX_EVENT_PAYLOAD;
- context->len = len;
- memcpy(context->storage, msg, len);
- context->read_write_flag = kAndroidLoggerRead;
+ init_parser_context(context, msg, len);
return (android_log_context)context;
}
@@ -97,6 +107,38 @@
return 0;
}
+LIBLOG_ABI_PUBLIC int android_log_reset(android_log_context ctx) {
+ android_log_context_internal* context;
+ uint32_t tag;
+
+ context = (android_log_context_internal*)ctx;
+ if (!context || (kAndroidLoggerWrite != context->read_write_flag)) {
+ return -EBADF;
+ }
+
+ tag = context->tag;
+ memset(context, 0, sizeof(*context));
+ init_context(context, tag);
+
+ return 0;
+}
+
+LIBLOG_ABI_PUBLIC int android_log_parser_reset(android_log_context ctx,
+ const char* msg, size_t len) {
+ android_log_context_internal* context;
+
+ context = (android_log_context_internal*)ctx;
+ if (!context || (kAndroidLoggerRead != context->read_write_flag)) {
+ return -EBADF;
+ }
+
+ memset(context, 0, sizeof(*context));
+ init_parser_context(context, msg, len);
+
+ return 0;
+}
+
+
LIBLOG_ABI_PUBLIC int android_log_write_list_begin(android_log_context ctx) {
size_t needed;
android_log_context_internal* context;
diff --git a/shell_and_utilities/Android.bp b/shell_and_utilities/Android.bp
index 0586381..3d7521c 100644
--- a/shell_and_utilities/Android.bp
+++ b/shell_and_utilities/Android.bp
@@ -27,6 +27,7 @@
phony {
name: "shell_and_utilities_recovery",
required: [
+ "grep.recovery",
"sh.recovery",
"toolbox.recovery",
"toybox.recovery",
diff --git a/toolbox/Android.bp b/toolbox/Android.bp
index e75e4af..f08cf93 100644
--- a/toolbox/Android.bp
+++ b/toolbox/Android.bp
@@ -62,8 +62,8 @@
}
// We build BSD grep separately (but see http://b/111849261).
-cc_binary {
- name: "grep",
+cc_defaults {
+ name: "grep_common",
defaults: ["toolbox_defaults"],
srcs: [
"upstream-netbsd/usr.bin/grep/fastgrep.c",
@@ -72,8 +72,27 @@
"upstream-netbsd/usr.bin/grep/queue.c",
"upstream-netbsd/usr.bin/grep/util.c",
],
-
+ symlinks: [
+ "egrep",
+ "fgrep",
+ ],
sanitize: {
integer_overflow: false,
},
}
+
+cc_binary {
+ name: "grep",
+ defaults: ["grep_common"],
+ recovery_available: true,
+}
+
+// Build vendor grep.
+// TODO: Add vendor_available to "grep" module and remove "grep_vendor" module
+// when vendor_available is fully supported.
+cc_binary {
+ name: "grep_vendor",
+ stem: "grep",
+ vendor: true,
+ defaults: ["grep_common"],
+}