disk_store.hpp
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#ifndef OSMIUM_HANDLER_DISK_STORE_HPP
#define OSMIUM_HANDLER_DISK_STORE_HPP
/*
This file is part of Osmium (http://osmcode.org/libosmium).
Copyright 2013-2016 Jochen Topf <jochen@topf.org> and others (see README).
Boost Software License - Version 1.0 - August 17th, 2003
Permission is hereby granted, free of charge, to any person or organization
obtaining a copy of the software and accompanying documentation covered by
this license (the "Software") to use, reproduce, display, distribute,
execute, and transmit the Software, and to prepare derivative works of the
Software, and to permit third-parties to whom the Software is furnished to
do so, all subject to the following:
The copyright notices in the Software and this entire statement, including
the above license grant, this restriction and the following disclaimer,
must be included in all copies of the Software, in whole or in part, and
all derivative works of the Software, unless such copies or derivative
works are solely in the form of machine-executable object code generated by
a source language processor.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
DEALINGS IN THE SOFTWARE.
*/
#include <cstddef>
#include <osmium/handler.hpp>
#include <osmium/index/map.hpp>
#include <osmium/io/detail/read_write.hpp>
#include <osmium/memory/buffer.hpp>
#include <osmium/memory/item_iterator.hpp>
#include <osmium/osm/node.hpp>
#include <osmium/osm/relation.hpp>
#include <osmium/osm/types.hpp>
#include <osmium/osm/way.hpp>
#include <osmium/visitor.hpp>
namespace osmium {
namespace handler {
class DiskStore : public osmium::handler::Handler {
typedef osmium::index::map::Map<unsigned_object_id_type, size_t> offset_index_type;
size_t m_offset = 0;
int m_data_fd;
offset_index_type& m_node_index;
offset_index_type& m_way_index;
offset_index_type& m_relation_index;
public:
explicit DiskStore(int data_fd, offset_index_type& node_index, offset_index_type& way_index, offset_index_type& relation_index) :
m_data_fd(data_fd),
m_node_index(node_index),
m_way_index(way_index),
m_relation_index(relation_index) {
}
DiskStore(const DiskStore&) = delete;
DiskStore& operator=(const DiskStore&) = delete;
~DiskStore() noexcept = default;
void node(const osmium::Node& node) {
m_node_index.set(node.positive_id(), m_offset);
m_offset += node.byte_size();
}
void way(const osmium::Way& way) {
m_way_index.set(way.positive_id(), m_offset);
m_offset += way.byte_size();
}
void relation(const osmium::Relation& relation) {
m_relation_index.set(relation.positive_id(), m_offset);
m_offset += relation.byte_size();
}
// XXX
void operator()(const osmium::memory::Buffer& buffer) {
osmium::io::detail::reliable_write(m_data_fd, buffer.data(), buffer.committed());
osmium::apply(buffer.begin(), buffer.end(), *this);
}
}; // class DiskStore
} // namespace handler
} // namespace osmium
#endif // OSMIUM_HANDLER_DISK_STORE_HPP
osmium::handler::DiskStore::m_relation_index
offset_index_type & m_relation_index
Definition: disk_store.hpp:67
osmium::handler::DiskStore::m_offset
size_t m_offset
Definition: disk_store.hpp:62
osmium::handler::DiskStore::m_node_index
offset_index_type & m_node_index
Definition: disk_store.hpp:65
osmium::handler::DiskStore::node
void node(const osmium::Node &node)
Definition: disk_store.hpp:83
item_iterator.hpp
osmium::handler::DiskStore::m_data_fd
int m_data_fd
Definition: disk_store.hpp:63
osmium::handler::DiskStore::offset_index_type
osmium::index::map::Map< unsigned_object_id_type, size_t > offset_index_type
Definition: disk_store.hpp:60
osmium::Relation
Definition: relation.hpp:165
osmium::handler::Handler
Definition: handler.hpp:45
map.hpp
types.hpp
osmium::Way
Definition: way.hpp:65
osmium::handler::DiskStore::operator()
void operator()(const osmium::memory::Buffer &buffer)
Definition: disk_store.hpp:99
osmium::apply
void apply(TIterator it, TIterator end, THandlers &...handlers)
Definition: visitor.hpp:234
osmium::handler::DiskStore::DiskStore
DiskStore(int data_fd, offset_index_type &node_index, offset_index_type &way_index, offset_index_type &relation_index)
Definition: disk_store.hpp:71
osmium::memory::Buffer::end
t_iterator< T > end()
Definition: buffer.hpp:585
osmium::handler::DiskStore
Definition: disk_store.hpp:58
way.hpp
osmium
Namespace for everything in the Osmium library.
Definition: assembler.hpp:59
osmium::memory::Buffer::begin
t_iterator< T > begin()
Definition: buffer.hpp:529
osmium::memory::Buffer::data
unsigned char * data() const noexcept
Definition: buffer.hpp:224
relation.hpp
osmium::handler::DiskStore::~DiskStore
~DiskStore() noexcept=default
handler.hpp
osmium::handler::DiskStore::m_way_index
offset_index_type & m_way_index
Definition: disk_store.hpp:66
osmium::memory::Item::byte_size
item_size_type byte_size() const noexcept
Definition: item.hpp:147
osmium::memory::Buffer::committed
size_t committed() const noexcept
Definition: buffer.hpp:241
osmium::memory::Buffer
Definition: buffer.hpp:97
buffer.hpp
osmium::Node
Definition: node.hpp:47
node.hpp
osmium::handler::DiskStore::way
void way(const osmium::Way &way)
Definition: disk_store.hpp:88
osmium::OSMObject::positive_id
unsigned_object_id_type positive_id() const noexcept
Get absolute value of the ID of this object.
Definition: object.hpp:115
osmium::handler::DiskStore::relation
void relation(const osmium::Relation &relation)
Definition: disk_store.hpp:93
visitor.hpp
osmium::handler::DiskStore::operator=
DiskStore & operator=(const DiskStore &)=delete
osmium::index::map::Map::set
virtual void set(const TId id, const TValue value)=0
Set the field with id to value.
osmium::index::map::Map
Definition: map.hpp:85