bgp-packet.h

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#ifndef BGP_PACKET_H_
#define BGP_PACKET_H_
#include "serializable.h"
#include "bgp-message.h"

namespace libbgp {

class BgpPacket : public Serializable {
public:
    BgpPacket(BgpLogHandler *logger, bool is_4b, const BgpMessage *msg);
    BgpPacket(BgpLogHandler *logger, bool is_4b);
    virtual ~BgpPacket();
    ssize_t doPrint(size_t indent, uint8_t **to, size_t *buf_sz) const;

    // notice: BgpPacket::parse assume the buffer contains one valid bgp message
    // (i.e.) poured from bgp-sink. in other words, BgpPacket::parse assume
    // the length field in message header is valid and bgp marker is correct.
    ssize_t parse(const uint8_t *from, size_t buf_sz);
    ssize_t write(uint8_t *to, size_t buf_sz) const;
    const BgpMessage *getMessage() const;
private:
    BgpMessage *m_msg;
    const BgpMessage *msg;

    // is the BgpMessage owned by us? (i.e. created by parse())
    // we will need to delete the object if this is the case.
    bool is_message_owner;
    
    bool is_4b;
};

}
#endif // BGP_PACKET_H_