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Added some helper functions to set options to DHCP PDU. Added LGPL notice to dhcp.cpp

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This commit is contained in:
Matias Fontanini
2011-08-17 16:20:02 -03:00
parent 4dfa4d70eb
commit 24e314283f
3 changed files with 68 additions and 12 deletions
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41
include/dhcp.h
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@@ -29,13 +29,15 @@
namespace Tins {
/** \brief Class that represents the DHCP PDU.
/**
* \brief Class that represents the DHCP PDU.
*
* The end option is added automatically at the end of the option list.
*/
class DHCP : public BootP {
public:
/** \brief DHCP flags.
/**
* \brief DHCP flags.
*/
enum Flags {
DHCPDISCOVER = 1,
@@ -48,7 +50,8 @@ namespace Tins {
DHCPINFORM = 8
};
/** \brief DHCP options enum.
/**
* \brief DHCP options enum.
*/
enum Options {
PAD,
@@ -123,7 +126,8 @@ namespace Tins {
END = 255
};
/** \brief DHCP options struct.
/**
* \brief DHCP options struct.
*/
struct DHCPOption {
uint8_t option, length;
@@ -132,14 +136,16 @@ namespace Tins {
DHCPOption(uint8_t opt, uint8_t len, uint8_t *val);
};
/** \brief Creates an instance of DHCP.
/**
* \brief Creates an instance of DHCP.
*
* This sets the hwtype and hlen fields to match the ethernet
* type and length.
*/
DHCP();
/** \brief Adds a new option to this DHCP PDU.
/**
* \brief Adds a new option to this DHCP PDU.
*
* This copies the value buffer. Adding options may fail if
* there's not enough size to hold a new option.
@@ -150,10 +156,26 @@ namespace Tins {
*/
bool add_option(Options opt, uint8_t len, uint8_t *val);
/** \brief Adds a type option the the option list.
/**
* \brief Adds a type option the the option list.
* \param type The type of this DHCP PDU.
* \return True if the option was added successfully. \sa DHCP::add_option
*/
void add_type_option(Flags type);
bool add_type_option(Flags type);
/**
* \brief Adds a server identifier option.
* \param ip The ip of the server.
* \return True if the option was added successfully. \sa DHCP::add_option
*/
bool add_server_identifier(uint32_t ip);
/**
* \brief Adds an IP address lease time option.
* \param time The lease time.
* \return True if the option was added successfully. \sa DHCP::add_option
*/
bool add_lease_time(uint32_t time);
/** \brief Getter for the options list.
* \return The option list.
@@ -166,7 +188,8 @@ namespace Tins {
*/
PDUType pdu_type() const { return PDU::UDP; }
/** \brief Getter for the header size.
/**
* \brief Getter for the header size.
* \return Returns the BOOTP header size.
* \sa PDU::header_size
*/