ISRI/gns3-wol-emulator
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updated minor memory management to avoid text corruption

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This commit is contained in:
faraphel 2024-12-23 10:44:06 +01:00
parent 4e547635d8
commit 9c413c0edd
6 changed files with 17 additions and 15 deletions
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12
source/main.cpp
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@ -14,6 +14,10 @@
#include "utils/address.hpp"
std::shared_ptr<gns::GnsServer> gnsServer;
/**
* Callback of a detected Wake-On-LAN packet
*/
@ -22,8 +26,6 @@ void packet_wol_handler(
const pcap_pkthdr* header,
const std::uint8_t* packet
) {
const auto server = reinterpret_cast<gns::GnsServer*>(user_data);
// get the special sll header (added by pcap when using the "any" device)
std::uint16_t sll_header = *packet;
// get the ethernet header of the packet
@ -48,7 +50,7 @@ void packet_wol_handler(
// TODO(Faraphel): check the 16 repetitions of the source address ?
// find the machine with the mac address
for (const gns::GnsNode& node : server->getNodes())
for (const gns::GnsNode& node : gnsServer->getNodes())
for (const gns::GnsPort& port : node.getPorts())
if (port.mac_address == mac_address_target) {
std::cout << "Matching node: " + node.getUuid() << std::endl;
@ -62,7 +64,7 @@ void packet_wol_handler(
int main() {
// get the GNS3 server
auto server = gns::GnsServer("localhost", 80);
gnsServer = std::make_shared<gns::GnsServer>("localhost", 80);
// capture any packet on the selected interface
char error_buffer[PCAP_ERRBUF_SIZE];
@ -89,7 +91,7 @@ int main() {
handle.get(),
0,
packet_wol_handler,
reinterpret_cast<uint8_t*>(&server)
nullptr
) == -1)
throw std::runtime_error("pcap_loop() failed: " + std::string(error_buffer));