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Code Issues Releases Wiki Activity

Added STP root_id and bridge_id setters/getters.

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This commit is contained in:
Matias Fontanini
2013-04-21 13:22:15 -03:00
parent 759e92706f
commit 077b54bbed
5 changed files with 124 additions and 4 deletions
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51
include/stp.h
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@@ -32,6 +32,7 @@
#include "pdu.h"
#include "endianness.h"
#include "hw_address.h"
#include "small_uint.h"
namespace Tins {
@@ -41,6 +42,24 @@ public:
* This PDU's flag.
*/
static const PDU::PDUType pdu_flag = PDU::STP;
/**
* The type used to store BPDU identifier addresses.
*/
typedef HWAddress<6> address_type;
/**
* The type used to store the BPDU identifiers.
*/
struct bpdu_id_type {
small_uint<4> priority;
small_uint<12> ext_id;
address_type id;
bpdu_id_type(small_uint<4> priority=0, small_uint<12> ext_id=0,
const address_type& id=address_type())
: priority(priority), ext_id(ext_id), id(id) { }
};
/**
* \brief Default constructor.
@@ -139,6 +158,18 @@ public:
uint16_t fwd_delay() const {
return Endian::be_to_host(_header.fwd_delay) / 256;
}
/**
* \brief Getter for the root id field.
* \return The stored root id field value.
*/
bpdu_id_type root_id() const;
/**
* \brief Getter for the bridge id field.
* \return The stored bridge id field value.
*/
bpdu_id_type bridge_id() const;
/**
* \brief Getter for the PDU's type.
@@ -221,13 +252,26 @@ public:
* \param new_fwd_delay The new fwd_delay field value.
*/
void fwd_delay(uint16_t new_fwd_delay);
/**
* \brief Setter for the root id field.
* \param new_fwd_delay The new root id field value.
*/
void root_id(const bpdu_id_type &id);
/**
* \brief Setter for the bridge id field.
* \param new_fwd_delay The new bridge id field value.
*/
void bridge_id(const bpdu_id_type &id);
private:
TINS_BEGIN_PACK
struct pvt_bpdu_id {
#if TINS_IS_LITTLE_ENDIAN
// fixme
uint16_t priority:4,
ext_id:12;
uint16_t ext_id:4,
priority:4,
ext_idL:8;
#else
uint16_t priority:4,
ext_id:12;
@@ -251,6 +295,9 @@ private:
uint16_t fwd_delay;
} TINS_END_PACK;
static bpdu_id_type convert(const pvt_bpdu_id &id);
static pvt_bpdu_id convert(const bpdu_id_type &id);
void write_serialization(uint8_t *buffer, uint32_t total_sz, const PDU *parent);
stphdr _header;