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Added PDU::find_inner_pdu.

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This commit is contained in:
Matias Fontanini
2011-08-30 19:40:23 -03:00
parent f3d3dd3c25
commit 33d0f42d24
1 changed files with 19 additions and 1 deletions
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20
include/pdu.h
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@@ -124,7 +124,25 @@ namespace Tins {
* operator delete[].
*/
uint8_t *serialize(uint32_t &sz);
/**
* \brief Find and returns the first PDU that matches the given flag.
*
* This method searches for the first PDU which has the same type flag as
* the given one. If the first PDU matches that flag, it is returned.
* If no PDU matches, 0 is returned.
* \param flag The flag which being searched.
*/
template<class T> T *find_inner_pdu(PDUType type) {
PDU *pdu = this;
while(pdu) {
if(pdu->pdu_type() == type)
return static_cast<T*>(pdu);
pdu = pdu->inner_pdu();
}
return 0;
}
/** \brief Send the stack of PDUs through a PacketSender.
*
* This method will be called only for the PDU on the bottom of the stack,