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Code Issues Releases Wiki Activity

Documented PacketSender. Added Utils::resolve_hwaddr, it's not working yet.

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This commit is contained in:
Matias Fontanini
2011-08-16 13:48:49 -03:00
parent 7bf8bd6ee7
commit 0989027f3d
4 changed files with 114 additions and 21 deletions
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30
src/packetsender.cpp
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@@ -33,10 +33,9 @@
#include <string.h>
#include <ctime>
#include "packetsender.h"
#include "utils.h" //borrar
const int Tins::PacketSender::INVALID_RAW_SOCKET = -10;
const int Tins::PacketSender::INVALID_RAW_SOCKET = -1;
const uint32_t Tins::PacketSender::DEFAULT_TIMEOUT = 2;
Tins::PacketSender::PacketSender(uint32_t recv_timeout) : _sockets(SOCKETS_END, INVALID_RAW_SOCKET), _timeout(recv_timeout) {
@@ -44,17 +43,20 @@ Tins::PacketSender::PacketSender(uint32_t recv_timeout) : _sockets(SOCKETS_END,
_types[ICMP_SOCKET] = IPPROTO_ICMP;
}
bool Tins::PacketSender::open_l2_socket() {
Tins::PacketSender::~PacketSender() {
for(unsigned i(0); i < _sockets.size(); ++i) {
if(_sockets[i] != INVALID_RAW_SOCKET)
::close(sockets[i]);
}
}
bool Tins::PacketSender::open_l2_socket() {
if (_sockets[ETHER_SOCKET] != INVALID_RAW_SOCKET)
return true;
int sock = socket(PF_PACKET, SOCK_RAW, htons(ETH_P_ALL));
if (sock == -1)
return false;
_sockets[ETHER_SOCKET] = sock;
return true;
}
@@ -94,7 +96,7 @@ Tins::PDU *Tins::PacketSender::send_recv(PDU *pdu) {
return pdu->recv_response(this);
}
bool Tins::PacketSender::send_l2(PDU *pdu, struct sockaddr* link_addr, uint32_t len_link_addr) {
bool Tins::PacketSender::send_l2(PDU *pdu, struct sockaddr* link_addr, uint32_t len_addr) {
if(!open_l2_socket())
return false;
@@ -102,25 +104,25 @@ bool Tins::PacketSender::send_l2(PDU *pdu, struct sockaddr* link_addr, uint32_t
uint32_t sz;
int sock = _sockets[ETHER_SOCKET];
uint8_t *buffer = pdu->serialize(sz);
bool ret_val = (sendto(sock, buffer, sz, 0, link_addr, len_link_addr) != -1);
bool ret_val = (sendto(sock, buffer, sz, 0, link_addr, len_addr) != -1);
delete[] buffer;
return ret_val;
}
Tins::PDU *Tins::PacketSender::recv_l2(PDU *pdu, struct sockaddr *link_addr, uint32_t len_link_addr) {
Tins::PDU *Tins::PacketSender::recv_l2(PDU *pdu, struct sockaddr *link_addr, uint32_t len_addr) {
if(!open_l2_socket())
return 0;
return recv_match_loop(_sockets[ETHER_SOCKET], pdu, link_addr, len_link_addr);
return recv_match_loop(_sockets[ETHER_SOCKET], pdu, link_addr, len_addr);
}
Tins::PDU *Tins::PacketSender::recv_l3(PDU *pdu, struct sockaddr* link_addr, uint32_t len_link_addr, SocketType type) {
Tins::PDU *Tins::PacketSender::recv_l3(PDU *pdu, struct sockaddr* link_addr, uint32_t len_addr, SocketType type) {
if(!open_l3_socket(type))
return 0;
return recv_match_loop(_sockets[type], pdu, link_addr, len_link_addr);
return recv_match_loop(_sockets[type], pdu, link_addr, len_addr);
}
bool Tins::PacketSender::send_l3(PDU *pdu, struct sockaddr* link_addr, uint32_t len_link_addr, SocketType type) {
bool Tins::PacketSender::send_l3(PDU *pdu, struct sockaddr* link_addr, uint32_t len_addr, SocketType type) {
bool ret_val = true;
if(!open_l3_socket(type))
ret_val = false;
@@ -128,7 +130,7 @@ bool Tins::PacketSender::send_l3(PDU *pdu, struct sockaddr* link_addr, uint32_t
uint32_t sz;
int sock = _sockets[type];
uint8_t *buffer = pdu->serialize(sz);
ret_val = (sendto(sock, buffer, sz, 0, link_addr, len_link_addr) != -1);
ret_val = (sendto(sock, buffer, sz, 0, link_addr, len_addr) != -1);
delete[] buffer;
}
return ret_val;