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Added a const overload of TCP::get_flag. Added TCP::flags.

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This commit is contained in:
Matias Fontanini
2013-06-17 21:25:30 -03:00
parent acff8f1e1f
commit f385e4e975
4 changed files with 97 additions and 15 deletions
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61
include/tcp.h
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@@ -64,14 +64,14 @@ namespace Tins {
* These flags identify those supported by the TCP PDU.
*/
enum Flags {
FIN,
SYN,
RST,
PSH,
ACK,
URG,
ECE,
CWR
FIN = 1,
SYN = 2,
RST = 4,
PSH = 8,
ACK = 16,
URG = 32,
ECE = 64,
CWR = 128
};
/**
@@ -208,6 +208,32 @@ namespace Tins {
* \return The value of the flag.
*/
small_uint<1> get_flag(Flags tcp_flag);
/**
* \brief Gets the value of a flag.
*
* \param tcp_flag The polled flag.
* \return The value of the flag.
*/
small_uint<1> get_flag(Flags tcp_flag) const;
/**
*
* \brief Gets the flags' values.
*
* All of the set flags will be joined together into
* a 12 bit value. This way, you can check for multiple
* flags at the same time:
*
* \code
* TCP tcp = ...;
* if(tcp.flags() == (TCP::SYN | TCP::ACK))
* // It's a SYN+ACK!
* \endcode
*
* \return The value of the flags field.
*/
small_uint<12> flags() const;
/* Setters */
@@ -353,6 +379,25 @@ namespace Tins {
*/
void set_flag(Flags tcp_flag, small_uint<1> value);
/**
* \brief Sets the value of the flag fields.
*
* This method can be used to set several flags at the
* same time.
*
* \code
* TCP tcp = ...;
* tcp.flags(TCP::SYN | TCP::ACK);
* // ...
* // only set the ACK, keeping the rest of the old flags.
* tcp.flags(tcp.flags() | TCP::ACK);
* \endcode
*
* \param value The new value of the flags.
*/
void flags(small_uint<12> value);
/**
* \brief Adds a TCP option.
*