*
*/
+#include "ctf2-trace-class-visitor.hpp"
#include "field.hpp"
#include "lttng-sessiond.hpp"
#include "notification-thread-commands.hpp"
#include "session.hpp"
#include "trace-class.hpp"
#include "tsdl-trace-class-visitor.hpp"
-#include "ctf2-trace-class-visitor.hpp"
#include "ust-app.hpp"
#include "ust-field-convert.hpp"
#include "ust-registry.hpp"
{
const auto lseek_ret = lseek(fd, 0, SEEK_SET);
if (lseek_ret < 0) {
- LTTNG_THROW_POSIX("Failed to seek to the beginning of the metadata file while clearing it", errno);
+ LTTNG_THROW_POSIX(
+ "Failed to seek to the beginning of the metadata file while clearing it",
+ errno);
}
const auto ret = ftruncate(fd, 0);
if (notify) {
cmd_ret = notification_thread_command_remove_channel(
- the_notification_thread_handle,
- chan->_consumer_key, LTTNG_DOMAIN_UST);
+ the_notification_thread_handle, chan->_consumer_key, LTTNG_DOMAIN_UST);
if (cmd_ret != LTTNG_OK) {
ERR("Failed to remove channel from notification thread");
}
/* Destroy all event associated with this registry. */
DIAGNOSTIC_PUSH
DIAGNOSTIC_IGNORE_INVALID_OFFSETOF
- cds_lfht_for_each_entry(
- chan->_events->ht, &iter.iter, event, _node) {
+ cds_lfht_for_each_entry (chan->_events->ht, &iter.iter, event, _node) {
/* Delete the node from the ht and free it. */
ust_registry_channel_destroy_event(chan, event);
}
DIAGNOSTIC_PUSH
DIAGNOSTIC_IGNORE_INVALID_OFFSETOF
- _enum = caa_container_of(node, lsu::registry_enum,
- node.node);
+ _enum = caa_container_of(node, lsu::registry_enum, node.node);
DIAGNOSTIC_POP
LTTNG_ASSERT(_enum);
}
lsu::registry_session::registry_session(const struct lst::abi& in_abi,
- uint32_t major,
- uint32_t minor,
- const char *root_shm_path,
- const char *shm_path,
- uid_t euid,
- gid_t egid,
- uint64_t tracing_id) :
+ uint32_t major,
+ uint32_t minor,
+ const char *root_shm_path,
+ const char *shm_path,
+ uid_t euid,
+ gid_t egid,
+ uint64_t tracing_id) :
lst::trace_class(in_abi, generate_uuid_or_throw()),
- _root_shm_path{root_shm_path ? root_shm_path : ""},
- _shm_path{shm_path ? shm_path : ""},
- _metadata_path{_shm_path.size() > 0 ? fmt::format("{}/metadata", _shm_path) :
- std::string("")},
- _uid{euid},
- _gid{egid},
- _app_tracer_version{.major = major, .minor = minor},
- _tracing_id{tracing_id},
- _clock{lttng::make_unique<lsu::clock_class>()},
- _metadata_generating_visitor{lttng::make_unique<ls::tsdl::trace_class_visitor>(
- abi, [this](const std::string& fragment) {
- _append_metadata_fragment(fragment);
- })},
- _packet_header{_create_packet_header()}
+ _root_shm_path{ root_shm_path ? root_shm_path : "" },
+ _shm_path{ shm_path ? shm_path : "" },
+ _metadata_path{ _shm_path.size() > 0 ? fmt::format("{}/metadata", _shm_path) :
+ std::string("") },
+ _uid{ euid },
+ _gid{ egid },
+ _app_tracer_version{ .major = major, .minor = minor },
+ _tracing_id{ tracing_id },
+ _clock{ lttng::make_unique<lsu::clock_class>() },
+ _metadata_generating_visitor{ lttng::make_unique<ls::tsdl::trace_class_visitor>(
+ abi,
+ [this](const std::string& fragment) { _append_metadata_fragment(fragment); }) },
+ _packet_header{ _create_packet_header() }
{
pthread_mutex_init(&_lock, NULL);
if (_shm_path.size() > 0) {
if (_metadata_path.size() > 0) {
/* Create metadata file. */
- const int ret = run_as_open(_metadata_path.c_str(), O_WRONLY | O_CREAT | O_EXCL,
- S_IRUSR | S_IWUSR, euid, egid);
+ const int ret = run_as_open(_metadata_path.c_str(),
+ O_WRONLY | O_CREAT | O_EXCL,
+ S_IRUSR | S_IWUSR,
+ euid,
+ egid);
if (ret < 0) {
- LTTNG_THROW_POSIX(fmt::format("Failed to open metadata file during registry session creation: path = {}",
- _metadata_path), errno);
+ LTTNG_THROW_POSIX(
+ fmt::format(
+ "Failed to open metadata file during registry session creation: path = {}",
+ _metadata_path),
+ errno);
}
_metadata_fd = ret;
lst::structure_type::fields packet_header_fields;
/* uint32_t magic */
- packet_header_fields.emplace_back(lttng::make_unique<lst::field>("magic",
- lttng::make_unique<lst::integer_type>(abi.uint32_t_alignment,
- abi.byte_order, 32, lst::integer_type::signedness::UNSIGNED,
- lst::integer_type::base::HEXADECIMAL,
- std::initializer_list<lst::integer_type::role>({lst::integer_type::role::PACKET_MAGIC_NUMBER}))));
+ packet_header_fields.emplace_back(lttng::make_unique<lst::field>(
+ "magic",
+ lttng::make_unique<lst::integer_type>(
+ abi.uint32_t_alignment,
+ abi.byte_order,
+ 32,
+ lst::integer_type::signedness::UNSIGNED,
+ lst::integer_type::base::HEXADECIMAL,
+ std::initializer_list<lst::integer_type::role>(
+ { lst::integer_type::role::PACKET_MAGIC_NUMBER }))));
/* uuid */
- packet_header_fields.emplace_back(lttng::make_unique<lst::field>("uuid",
- lttng::make_unique<lst::static_length_blob_type>(0, 16,
- std::initializer_list<lst::static_length_blob_type::role>({lst::static_length_blob_type::role::METADATA_STREAM_UUID}))));
+ packet_header_fields.emplace_back(lttng::make_unique<lst::field>(
+ "uuid",
+ lttng::make_unique<lst::static_length_blob_type>(
+ 0,
+ 16,
+ std::initializer_list<lst::static_length_blob_type::role>(
+ { lst::static_length_blob_type::role::METADATA_STREAM_UUID }))));
/* uint32_t stream_id */
- packet_header_fields.emplace_back(lttng::make_unique<lst::field>("stream_id",
- lttng::make_unique<lst::integer_type>(abi.uint32_t_alignment,
- abi.byte_order, 32, lst::integer_type::signedness::UNSIGNED,
- lst::integer_type::base::DECIMAL,
- std::initializer_list<lst::integer_type::role>({lst::integer_type::role::DATA_STREAM_CLASS_ID}))));
+ packet_header_fields.emplace_back(lttng::make_unique<lst::field>(
+ "stream_id",
+ lttng::make_unique<lst::integer_type>(
+ abi.uint32_t_alignment,
+ abi.byte_order,
+ 32,
+ lst::integer_type::signedness::UNSIGNED,
+ lst::integer_type::base::DECIMAL,
+ std::initializer_list<lst::integer_type::role>(
+ { lst::integer_type::role::DATA_STREAM_CLASS_ID }))));
/* uint64_t stream_instance_id */
- packet_header_fields.emplace_back(lttng::make_unique<lst::field>("stream_instance_id",
- lttng::make_unique<lst::integer_type>(abi.uint64_t_alignment,
- abi.byte_order, 64, lst::integer_type::signedness::UNSIGNED,
- lst::integer_type::base::DECIMAL,
- std::initializer_list<lst::integer_type::role>({lst::integer_type::role::DATA_STREAM_ID}))));
+ packet_header_fields.emplace_back(lttng::make_unique<lst::field>(
+ "stream_instance_id",
+ lttng::make_unique<lst::integer_type>(
+ abi.uint64_t_alignment,
+ abi.byte_order,
+ 64,
+ lst::integer_type::signedness::UNSIGNED,
+ lst::integer_type::base::DECIMAL,
+ std::initializer_list<lst::integer_type::role>(
+ { lst::integer_type::role::DATA_STREAM_ID }))));
return lttng::make_unique<lst::structure_type>(0, std::move(packet_header_fields));
}
/* Destroy all event associated with this registry. */
DIAGNOSTIC_PUSH
DIAGNOSTIC_IGNORE_INVALID_OFFSETOF
- cds_lfht_for_each_entry(_channels->ht, &iter.iter, chan, _node.node) {
+ cds_lfht_for_each_entry (_channels->ht, &iter.iter, chan, _node.node) {
/* Delete the node from the ht and free it. */
ret = lttng_ht_del(_channels.get(), &iter);
LTTNG_ASSERT(!ret);
if (_root_shm_path[0]) {
/* Try to delete the directory hierarchy. */
- (void) run_as_rmdir_recursive(_root_shm_path.c_str(), _uid, _gid,
- LTTNG_DIRECTORY_HANDLE_SKIP_NON_EMPTY_FLAG);
+ (void) run_as_rmdir_recursive(_root_shm_path.c_str(),
+ _uid,
+ _gid,
+ LTTNG_DIRECTORY_HANDLE_SKIP_NON_EMPTY_FLAG);
}
/* Destroy the enum hash table */
* the metadata can be dumped for that event.
*/
if (is_max_channel_id(_used_channel_id)) {
- LTTNG_THROW_ERROR(fmt::format("Failed to allocate unique id for channel under session while adding channel"));
+ LTTNG_THROW_ERROR(fmt::format(
+ "Failed to allocate unique id for channel under session while adding channel"));
}
auto chan = new lsu::registry_channel(
- _get_next_channel_id(), abi, _clock->name,
- /* Registered channel listener. */
- [this](const lsu::registry_channel& registered_channel) {
- /*
- * Channel registration completed, serialize it's layout's
- * description.
- */
- registered_channel.accept(*_metadata_generating_visitor);
- },
- /* Added event listener. */
- [this](const lsu::registry_channel& channel,
- const lsu::registry_event& added_event) {
- /*
- * The channel and its event classes will be dumped at once when
- * it is registered. This check prevents event classes from being
- * declared before their stream class.
- */
- if (channel.is_registered()) {
- added_event.accept(*_metadata_generating_visitor);
- }
- });
+ _get_next_channel_id(),
+ abi,
+ _clock->name,
+ /* Registered channel listener. */
+ [this](const lsu::registry_channel& registered_channel) {
+ /*
+ * Channel registration completed, serialize it's layout's
+ * description.
+ */
+ registered_channel.accept(*_metadata_generating_visitor);
+ },
+ /* Added event listener. */
+ [this](const lsu::registry_channel& channel,
+ const lsu::registry_event& added_event) {
+ /*
+ * The channel and its event classes will be dumped at once when
+ * it is registered. This check prevents event classes from being
+ * declared before their stream class.
+ */
+ if (channel.is_registered()) {
+ added_event.accept(*_metadata_generating_visitor);
+ }
+ });
lttng::urcu::read_lock_guard rcu_read_lock_guard;
lttng_ht_node_init_u64(&chan->_node, key);
lttng_ht_add_unique_u64(_channels.get(), &chan->_node);
}
-lttng::sessiond::ust::registry_channel& lsu::registry_session::channel(
- uint64_t channel_key) const
+lttng::sessiond::ust::registry_channel& lsu::registry_session::channel(uint64_t channel_key) const
{
lttng::urcu::read_lock_guard read_lock_guard;
struct lttng_ht_node_u64 *node;
lttng_ht_lookup(_channels.get(), &channel_key, &iter);
node = lttng_ht_iter_get_node_u64(&iter);
if (!node) {
- LTTNG_THROW_INVALID_ARGUMENT_ERROR(fmt::format(
- "Invalid channel key provided: channel key = {}", channel_key));
+ LTTNG_THROW_INVALID_ARGUMENT_ERROR(
+ fmt::format("Invalid channel key provided: channel key = {}", channel_key));
}
DIAGNOSTIC_PUSH
}
void lsu::registry_session::accept(
- lttng::sessiond::trace::trace_class_environment_visitor& visitor) const
+ lttng::sessiond::trace::trace_class_environment_visitor& visitor) const
{
ASSERT_LOCKED(_lock);
visitor.visit(lst::environment_field<const char *>("tracer_name", "lttng-ust"));
visitor.visit(lst::environment_field<int64_t>("tracer_major", _app_tracer_version.major));
visitor.visit(lst::environment_field<int64_t>("tracer_minor", _app_tracer_version.minor));
- visitor.visit(lst::environment_field<const char *>("tracer_buffering_scheme",
- buffering_scheme() == LTTNG_BUFFER_PER_PID ? "pid" : "uid"));
+ visitor.visit(lst::environment_field<const char *>(
+ "tracer_buffering_scheme",
+ buffering_scheme() == LTTNG_BUFFER_PER_PID ? "pid" : "uid"));
visitor.visit(lst::environment_field<int64_t>("architecture_bit_width", abi.bits_per_long));
{
LTTNG_ASSERT(session);
ASSERT_LOCKED(session->lock);
- visitor.visit(lst::environment_field<const char *>("trace_name",
- session->has_auto_generated_name ? DEFAULT_SESSION_NAME :
- session->name));
- visitor.visit(lst::environment_field<std::string>("trace_creation_datetime",
- lttng::utils::time_to_iso8601_str(session->creation_time)));
+ visitor.visit(lst::environment_field<const char *>(
+ "trace_name",
+ session->has_auto_generated_name ? DEFAULT_SESSION_NAME : session->name));
+ visitor.visit(lst::environment_field<std::string>(
+ "trace_creation_datetime",
+ lttng::utils::time_to_iso8601_str(session->creation_time)));
visitor.visit(lst::environment_field<const char *>("hostname", session->hostname));
}
}
DIAGNOSTIC_PUSH
DIAGNOSTIC_IGNORE_INVALID_OFFSETOF
- cds_lfht_for_each_entry(_channels->ht, &channel_it.iter, channel, _node.node) {
+ cds_lfht_for_each_entry (_channels->ht, &channel_it.iter, channel, _node.node) {
sorted_stream_classes.emplace_back(channel);
}
DIAGNOSTIC_POP
}
- std::sort(sorted_stream_classes.begin(), sorted_stream_classes.end(),
- [](const lttng::sessiond::ust::registry_channel *a,
- const lttng::sessiond::ust::registry_channel *b) {
- return a->id < b->id;
- });
+ std::sort(sorted_stream_classes.begin(),
+ sorted_stream_classes.end(),
+ [](const lttng::sessiond::ust::registry_channel *a,
+ const lttng::sessiond::ust::registry_channel *b) { return a->id < b->id; });
for (const auto stream_class : sorted_stream_classes) {
stream_class->accept(visitor);
/* Rounding the new allocation length to the next power of 2 would overflow. */
if (new_alloc_len > (UINT32_MAX >> 1)) {
- LTTNG_THROW_ERROR("Failed to reserve trace metadata storage as the new size would overflow");
+ LTTNG_THROW_ERROR(
+ "Failed to reserve trace metadata storage as the new size would overflow");
}
/* The current allocation length is already the largest we can afford. */
if ((old_alloc_len << 1) > (UINT32_MAX >> 1)) {
- LTTNG_THROW_ERROR("Failed to reserve trace metadata storage as the max size was already reached");
+ LTTNG_THROW_ERROR(
+ "Failed to reserve trace metadata storage as the max size was already reached");
}
if (new_alloc_len > old_alloc_len) {
- new_alloc_len = std::max<size_t>(
- 1U << get_count_order(new_alloc_len), old_alloc_len << 1);
+ new_alloc_len =
+ std::max<size_t>(1U << get_count_order(new_alloc_len), old_alloc_len << 1);
auto newptr = (char *) realloc(_metadata, new_alloc_len);
if (!newptr) {
if (_metadata_fd >= 0) {
const auto bytes_written =
- lttng_write(_metadata_fd, fragment.c_str(), fragment.size());
+ lttng_write(_metadata_fd, fragment.c_str(), fragment.size());
if (bytes_written != fragment.size()) {
- LTTNG_THROW_POSIX("Failed to write trace metadata fragment to file",
- errno);
+ LTTNG_THROW_POSIX("Failed to write trace metadata fragment to file", errno);
}
}
}
reg_enum_lookup.id = enum_id;
cds_lfht_lookup(_enums->ht,
ht_hash_enum((void *) ®_enum_lookup, lttng_ht_seed),
- ht_match_enum_id, ®_enum_lookup, &iter.iter);
+ ht_match_enum_id,
+ ®_enum_lookup,
+ &iter.iter);
node = lttng_ht_iter_get_node_str(&iter);
if (!node) {
LTTNG_THROW_PROTOCOL_ERROR(fmt::format(
- "Unknown enumeration referenced by application event field: enum name = `{}`, enum id = {}",
- enum_name, enum_id));
+ "Unknown enumeration referenced by application event field: enum name = `{}`, enum id = {}",
+ enum_name,
+ enum_id));
}
DIAGNOSTIC_PUSH
reg_enum = lttng::utils::container_of(node, &lsu::registry_enum::node);
DIAGNOSTIC_POP
- return lsu::registry_enum::const_rcu_protected_reference{*reg_enum, std::move(rcu_lock)};
+ return lsu::registry_enum::const_rcu_protected_reference{ *reg_enum, std::move(rcu_lock) };
}
/*
* Lookup enumeration by name and comparing enumeration entries.
* Needs to be called from RCU read-side critical section.
*/
-lsu::registry_enum *lsu::registry_session::_lookup_enum(
- const lsu::registry_enum *reg_enum_lookup) const
+lsu::registry_enum *
+lsu::registry_session::_lookup_enum(const lsu::registry_enum *reg_enum_lookup) const
{
lsu::registry_enum *reg_enum = NULL;
struct lttng_ht_node_str *node;
ASSERT_RCU_READ_LOCKED();
- cds_lfht_lookup(_enums->ht, ht_hash_enum((void *) reg_enum_lookup, lttng_ht_seed),
- ht_match_enum, reg_enum_lookup, &iter.iter);
+ cds_lfht_lookup(_enums->ht,
+ ht_hash_enum((void *) reg_enum_lookup, lttng_ht_seed),
+ ht_match_enum,
+ reg_enum_lookup,
+ &iter.iter);
node = lttng_ht_iter_get_node_str(&iter);
if (!node) {
goto end;
*
* We receive ownership of entries.
*/
-void lsu::registry_session::create_or_find_enum(
- int session_objd, const char *enum_name,
- struct lttng_ust_ctl_enum_entry *raw_entries, size_t nr_entries,
- uint64_t *enum_id)
+void lsu::registry_session::create_or_find_enum(int session_objd,
+ const char *enum_name,
+ struct lttng_ust_ctl_enum_entry *raw_entries,
+ size_t nr_entries,
+ uint64_t *enum_id)
{
struct cds_lfht_node *nodep;
lsu::registry_enum *reg_enum = NULL, *old_reg_enum;
lttng::urcu::read_lock_guard read_lock_guard;
- auto entries = lttng::make_unique_wrapper<lttng_ust_ctl_enum_entry, lttng::free>(raw_entries);
+ auto entries =
+ lttng::make_unique_wrapper<lttng_ust_ctl_enum_entry, lttng::free>(raw_entries);
LTTNG_ASSERT(enum_name);
*/
if (session_objd < 0) {
LTTNG_THROW_INVALID_ARGUMENT_ERROR(fmt::format(
- "Invalid parameters used to create or look-up enumeration from registry session: session_objd = {}",
- session_objd));
+ "Invalid parameters used to create or look-up enumeration from registry session: session_objd = {}",
+ session_objd));
}
if (nr_entries == 0) {
LTTNG_THROW_INVALID_ARGUMENT_ERROR(fmt::format(
- "Invalid parameters used to create or look-up enumeration from registry session: nr_entries = {}",
- nr_entries));
+ "Invalid parameters used to create or look-up enumeration from registry session: nr_entries = {}",
+ nr_entries));
}
- if (lttng_strnlen(enum_name, LTTNG_UST_ABI_SYM_NAME_LEN) ==
- LTTNG_UST_ABI_SYM_NAME_LEN) {
+ if (lttng_strnlen(enum_name, LTTNG_UST_ABI_SYM_NAME_LEN) == LTTNG_UST_ABI_SYM_NAME_LEN) {
LTTNG_THROW_INVALID_ARGUMENT_ERROR(
- "Invalid parameters used to create or look-up enumeration from registry session: enumeration name is not null terminated");
+ "Invalid parameters used to create or look-up enumeration from registry session: enumeration name is not null terminated");
}
if (entries->start.signedness) {
- reg_enum = new lsu::registry_signed_enum(
- enum_name, entries.get(), nr_entries);
+ reg_enum = new lsu::registry_signed_enum(enum_name, entries.get(), nr_entries);
} else {
- reg_enum = new lsu::registry_unsigned_enum(
- enum_name, entries.get(), nr_entries);
+ reg_enum = new lsu::registry_unsigned_enum(enum_name, entries.get(), nr_entries);
}
old_reg_enum = _lookup_enum(reg_enum);
destroy_enum(reg_enum);
reg_enum = old_reg_enum;
} else {
- DBG("UST registry creating enum: %s, sess_objd: %u",
- enum_name, session_objd);
+ DBG("UST registry creating enum: %s, sess_objd: %u", enum_name, session_objd);
if (_next_enum_id == -1ULL) {
destroy_enum(reg_enum);
- LTTNG_THROW_ERROR("Failed to allocate unique enumeration ID as it would overflow");
+ LTTNG_THROW_ERROR(
+ "Failed to allocate unique enumeration ID as it would overflow");
}
reg_enum->id = _next_enum_id++;
nodep = cds_lfht_add_unique(_enums->ht,
- ht_hash_enum(reg_enum, lttng_ht_seed),
- ht_match_enum_id, reg_enum,
- ®_enum->node.node);
+ ht_hash_enum(reg_enum, lttng_ht_seed),
+ ht_match_enum_id,
+ reg_enum,
+ ®_enum->node.node);
LTTNG_ASSERT(nodep == ®_enum->node.node);
}
DBG("UST registry reply with enum %s with id %" PRIu64 " in sess_objd: %u",
- enum_name, reg_enum->id, session_objd);
+ enum_name,
+ reg_enum->id,
+ session_objd);
*enum_id = reg_enum->id;
}
projects / lttng-tools.git / blobdiff