HooksRegistrar& HooksRegistrar::transaction_data(
Engine::state_event_e event,
transaction_data_t f
)
{
if (f.empty()) {
BOOST_THROW_EXCEPTION(einval() << errinfo_what(
"Empty functional passed to hook registrarion."
));
}
throw_if_error(
ib_hook_txdata_register(
m_engine.ib(),
static_cast<ib_state_event_type_t>(event),
&Internal::Hooks::transaction_data,
value_to_data<transaction_data_t>(
f,
m_engine.main_memory_pool().ib()
)
)
);
return *this;
}
void check_type(Field::type_e expected, Field::type_e actual)
{
if (expected != actual) {
BOOST_THROW_EXCEPTION(
einval() << errinfo_what(
"Expected field type " + type_as_s(expected) +
" but is field type " + type_as_s(actual)
)
);
}
}
/**
* Back element of list.
*
* @return Back element of list.
* @throw enoent if list is empty.
**/
T back() const
{
if (empty()) {
BOOST_THROW_EXCEPTION(
enoent() << errinfo_what(
"Trying to fetch back of empty list."
)
);
}
return *rbegin();
}
void* MemoryPool::calloc(size_t count, size_t size) const
{
void* memory = ib_mpool_calloc(ib(), count, size);
if (! memory) {
BOOST_THROW_EXCEPTION(
ealloc() << errinfo_what(
"ib_mpool_calloc() returned NULL"
)
);
}
return memory;
}
MemoryPool MemoryPool::create(
const char* name,
MemoryPool parent
)
{
if (! parent) {
BOOST_THROW_EXCEPTION(
einval() << errinfo_what(
"Singular parent provided to memory pool."
)
);
}
return Internal::create_memory_pool(name, parent.ib());
}
std::string ConstField::to_s() const
{
switch (type()) {
case TIME:
return boost::lexical_cast<std::string>(value_as_time());
case NUMBER:
return boost::lexical_cast<std::string>(value_as_number());
case FLOAT:
return
boost::lexical_cast<std::string>(value_as_float());
case NULL_STRING:
return std::string(value_as_null_string());
case BYTE_STRING:
return value_as_byte_string().to_s();
default:
BOOST_THROW_EXCEPTION(
einval() << errinfo_what(
"ConstField::to_s() does not support field type: " +
Internal::type_as_s(type())
)
);
}
}
ib_status_t field_dynamic_set(
ib_field_t* field,
const void* arg,
size_t arg_length,
void* in_value,
void* cbdata
)
{
const char* carg = reinterpret_cast<const char*>(arg);
// No engine available.
try {
switch (field->type) {
case IB_FTYPE_TIME:
data_to_value<Field::time_set_t>(cbdata)(
Field(field),
carg, arg_length,
*reinterpret_cast<const uint64_t*>(in_value)
);
break;
case IB_FTYPE_NUM:
data_to_value<Field::number_set_t>(cbdata)(
Field(field),
carg, arg_length,
*reinterpret_cast<const int64_t*>(in_value)
);
break;
case IB_FTYPE_FLOAT:
data_to_value<Field::float_set_t>(cbdata)(
Field(field),
carg, arg_length,
*reinterpret_cast<const long double*>(in_value)
);
break;
case IB_FTYPE_NULSTR:
data_to_value<Field::null_string_set_t>(cbdata)(
Field(field),
carg, arg_length,
reinterpret_cast<const char*>(in_value)
);
break;
case IB_FTYPE_BYTESTR: {
// Const cast, but then immeidately store as const.
const ConstByteString value(
reinterpret_cast<const ib_bytestr_t*>(in_value)
);
data_to_value<Field::byte_string_set_t>(cbdata)(
Field(field),
carg, arg_length,
value
);
break;
}
case IB_FTYPE_LIST: {
const ib_list_t* value =
reinterpret_cast<const ib_list_t*>(in_value);
data_to_value<
Internal::dynamic_list_setter_translator_t
>(cbdata)(
Field(field),
carg, arg_length,
value
);
break;
}
default:
BOOST_THROW_EXCEPTION(
einval() << errinfo_what(
"Unsupported field type: " + type_as_s(field->type)
)
);
}
}
catch (...) {
return convert_exception();
}
return IB_OK;
}
ib_status_t field_dynamic_get(
const ib_field_t* field,
void* out_val,
const void* arg,
size_t arg_length,
void* cbdata
)
{
// We will only pass this as as a const reference.
ConstField fieldpp(field);
const char* carg = reinterpret_cast<const char*>(arg);
// No engine available.
ib_status_t rc = IB_OK;
try {
switch (field->type) {
case IB_FTYPE_TIME: {
ib_time_t* n = reinterpret_cast<ib_time_t*>(out_val);
*n = data_to_value<Field::time_get_t>(cbdata)(
fieldpp, carg, arg_length
);
return IB_OK;
}
case IB_FTYPE_NUM: {
ib_num_t* n = reinterpret_cast<ib_num_t*>(out_val);
*n = data_to_value<Field::number_get_t>(cbdata)(
fieldpp, carg, arg_length
);
return IB_OK;
}
case IB_FTYPE_FLOAT: {
ib_float_t* u = reinterpret_cast<ib_float_t*>(out_val);
*u = data_to_value<
Field::float_get_t
>(cbdata)(
fieldpp, carg, arg_length
);
return IB_OK;
}
case IB_FTYPE_NULSTR:
{
const char** ns = reinterpret_cast<const char**>(out_val);
*ns = data_to_value<
Field::null_string_get_t
>(cbdata)(
fieldpp, carg, arg_length
);
return IB_OK;
}
case IB_FTYPE_BYTESTR:
{
const ib_bytestr_t** bs
= reinterpret_cast<const ib_bytestr_t**>(out_val);
*bs = data_to_value<
Field::byte_string_get_t
>(cbdata)(
fieldpp, carg, arg_length
).ib();
return IB_OK;
}
case IB_FTYPE_LIST:
{
const ib_list_t** l
= reinterpret_cast<const ib_list_t**>(out_val);
*l = data_to_value<
Internal::dynamic_list_getter_translator_t
>(cbdata)(
fieldpp, carg, arg_length
);
return IB_OK;
}
default:
BOOST_THROW_EXCEPTION(
einval() << errinfo_what(
"Unsupported field type: " + type_as_s(field->type)
)
);
}
}
catch (...) {
return convert_exception();
}
// If we got here, it is in error.
assert(rc != IB_OK);
return rc;
}
