/*static*/ mutation_ptr mutation::read_from_log_file(binary_reader& reader, dsn_message_t from)
{
mutation_ptr mu(new mutation());
unmarshall(reader, mu->data.header, DSF_THRIFT_BINARY);
int size;
unmarshall(reader, size, DSF_THRIFT_BINARY);
mu->data.updates.resize(size);
std::vector<int> lengths(size, 0);
for (int i = 0; i < size; ++i)
{
unmarshall(reader, mu->data.updates[i].code, DSF_THRIFT_BINARY);
unmarshall(reader, lengths[i], DSF_THRIFT_BINARY);
}
for (int i = 0; i < size; ++i)
{
int len = lengths[i];
std::shared_ptr<char> holder(new char[len], [](char* ptr){ delete []ptr; });
reader.read(holder.get(), len);
mu->data.updates[i].data.assign(holder, 0, len);
}
mu->client_requests.resize(mu->data.updates.size());
if (nullptr != from)
{
mu->_prepare_request = from;
dsn_msg_add_ref(from); // released on dctor
}
snprintf_p(mu->_name, sizeof(mu->_name),
"%" PRId32 ".%" PRId32 ".%" PRId64 ".%" PRId64,
mu->data.header.pid.get_app_id(),
mu->data.header.pid.get_partition_index(),
mu->data.header.ballot,
mu->data.header.decree);
return mu;
}
void message_header::unmarshall(binary_reader& reader)
{
reader.read((char*)this, serialized_size());
}
void message_header::unmarshall(binary_reader& reader)
{
reader.read((char*)this, MSG_HDR_SERIALIZED_SIZE);
}