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TCP Options are now implemented using std::vector.

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This commit is contained in:
Matias Fontanini
2012-08-02 12:00:56 -03:00
parent 50ce6e0a04
commit cb81c65640
3 changed files with 62 additions and 117 deletions
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39
include/tcp.h
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@@ -24,6 +24,7 @@
#include <list>
#include <vector>
#include <stdint.h>
#ifndef WIN32
#include <endian.h>
@@ -95,8 +96,10 @@ namespace Tins {
* \param olength The option's data length.
* \param odata The option's data(if any).
*/
TCPOption(uint8_t opt = 0, uint8_t olength = 0, uint8_t *ovalue = 0) :
option(opt), length(olength), value(ovalue) { }
TCPOption(uint8_t opt = 0, uint8_t length = 0, const uint8_t *value = 0)
: option(opt), value(value, (value) ? (value + length) : 0) {
}
/**
* \brief Writes the option into a buffer.
@@ -105,8 +108,8 @@ namespace Tins {
*/
uint8_t *write(uint8_t *buffer);
uint8_t option, length;
uint8_t *value;
uint8_t option;
std::vector<uint8_t> value;
};
/**
@@ -120,30 +123,14 @@ namespace Tins {
TCP(uint16_t dport = 0, uint16_t sport = 0);
/**
* \brief Constructor which creates an TCP object from a buffer and adds all identifiable
* PDUs found in the buffer as children of this one.
* \brief Constructor which creates an TCP object from a buffer
* and adds all identifiable PDUs found in the buffer as children
* of this one.
* \param buffer The buffer from which this PDU will be constructed.
* \param total_sz The total size of the buffer.
*/
TCP(const uint8_t *buffer, uint32_t total_sz);
/**
* \brief Copy constructor.
*/
TCP(const TCP &other);
/**
* \brief Copy assignment operator.
*/
TCP &operator= (const TCP &other);
/**
* \brief TCP destructor.
*
* Destructs the TCP instance. Does not free the payload.
* */
~TCP();
/**
* \brief Getter for the destination port field.
*
@@ -459,14 +446,12 @@ namespace Tins {
template<class T> bool generic_search(Option opt, T *value) {
const TCPOption *option = search_option(opt);
if(option && option->length == sizeof(T)) {
*value = *(T*)option->value;
if(option && option->value.size() == sizeof(T)) {
*value = *(const T*)(&option->value[0]);
return true;
}
return false;
}
void cleanup();
/** \brief Serialices this TCP PDU.
* \param buffer The buffer in which the PDU will be serialized.
* \param total_sz The size available in the buffer.