diff options
Diffstat (limited to 'contrib/epee/include/net/levin_base.h')
| -rw-r--r-- | contrib/epee/include/net/levin_base.h | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/contrib/epee/include/net/levin_base.h b/contrib/epee/include/net/levin_base.h index a88a1eb49..f9b6f9a81 100644 --- a/contrib/epee/include/net/levin_base.h +++ b/contrib/epee/include/net/levin_base.h @@ -29,7 +29,11 @@ #ifndef _LEVIN_BASE_H_ #define _LEVIN_BASE_H_ +#include <cstdint> + +#include "byte_slice.h" #include "net_utils_base.h" +#include "span.h" #define LEVIN_SIGNATURE 0x0101010101012101LL //Bender's nightmare @@ -72,6 +76,8 @@ namespace levin #define LEVIN_PACKET_REQUEST 0x00000001 #define LEVIN_PACKET_RESPONSE 0x00000002 +#define LEVIN_PACKET_BEGIN 0x00000004 +#define LEVIN_PACKET_END 0x00000008 #define LEVIN_PROTOCOL_VER_0 0 @@ -118,9 +124,30 @@ namespace levin } } + //! \return Intialized levin header. + bucket_head2 make_header(uint32_t command, uint64_t msg_size, uint32_t flags, bool expect_response) noexcept; + + //! \return A levin notification message. + byte_slice make_notify(int command, epee::span<const std::uint8_t> payload); + + /*! Generate a dummy levin message. + \param noise_bytes Total size of the returned `byte_slice`. + \return `nullptr` if `noise_size` is smaller than the levin header. + Otherwise, a dummy levin message. */ + byte_slice make_noise_notify(std::size_t noise_bytes); + + /*! Generate 1+ levin messages that are identical to the noise message size. + + \param noise Each levin message will be identical to the size of this + message. The bytes from this message will be used for padding. + \return `nullptr` if `noise.size()` is less than the levin header size. + Otherwise, a levin notification message OR 2+ levin fragment messages. + Each message is `noise.size()` in length. */ + byte_slice make_fragmented_notify(const byte_slice& noise, int command, epee::span<const std::uint8_t> payload); } } #endif //_LEVIN_BASE_H_ + |