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Code Issues Releases Wiki Activity

Add parent PDU member to PDU class

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Now this is a bidirectional list of PDUs
This commit is contained in:
Matias Fontanini
2017-04-29 09:27:08 -07:00
parent 6b3875ae39
commit 8838ddf921
4 changed files with 48 additions and 7 deletions
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23
include/tins/pdu.h
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@@ -231,8 +231,11 @@ public:
* \param rhs The PDU to be moved.
*/
PDU(PDU &&rhs) TINS_NOEXCEPT
: inner_pdu_(0) {
: inner_pdu_(0), parent_pdu_(0) {
std::swap(inner_pdu_, rhs.inner_pdu_);
if (inner_pdu_) {
inner_pdu_->parent_pdu(this);
}
}
/**
@@ -242,6 +245,10 @@ public:
*/
PDU& operator=(PDU &&rhs) TINS_NOEXCEPT {
std::swap(inner_pdu_, rhs.inner_pdu_);
rhs.inner_pdu_ = 0;
if (inner_pdu_) {
inner_pdu_->parent_pdu(this);
}
return* this;
}
#endif
@@ -274,11 +281,19 @@ public:
/**
* \brief Getter for the inner PDU.
* \return The current inner PDU. Might be 0.
* \return The current inner PDU. Might be a null pointer.
*/
PDU* inner_pdu() const {
return inner_pdu_;
}
/**
* Getter for the parent PDU
* \return The current parent PDU. Might be a null pointer.
*/
PDU* parent_pdu() const {
return parent_pdu_;
}
/**
* \brief Releases the inner PDU.
@@ -314,7 +329,6 @@ public:
*/
void inner_pdu(const PDU& next_pdu);
/**
* \brief Serializes the whole chain of PDU's, including this one.
*
@@ -505,7 +519,10 @@ protected:
*/
virtual void write_serialization(uint8_t* buffer, uint32_t total_sz, const PDU* parent) = 0;
private:
void parent_pdu(PDU* parent);
PDU* inner_pdu_;
PDU* parent_pdu_;
};
/**