37 lines
1,007 B
C++
37 lines
1,007 B
C++
#include <cstdio>
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#include <unistd.h>
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#include <signal.h>
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#include "TunDevice.hpp"
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static const size_t BUFFER_SIZE = 1500;
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static volatile bool stopped = false;
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void stop_sig_handler(int signal) {
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printf("Received signal %d. Stopping.\n", signal);
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stopped = true;
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}
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int main(void) {
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char read_buffer[BUFFER_SIZE];
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signal(SIGINT, stop_sig_handler);
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try {
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TunDevice tun_dev("cvpn%d");
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printf("Tunnel device opened: <%s>, fd <%d>.\n",
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tun_dev.get_dev_name().c_str(), tun_dev.get_fd());
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while(!stopped) {
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size_t packet_size = tun_dev.read_packet(read_buffer, BUFFER_SIZE);
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if(packet_size > 0) {
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printf("Received packet of size %lu.\n", packet_size);
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tun_dev.write_packet(read_buffer, packet_size);
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}
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}
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printf("Shutting down.\n");
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} catch(const TunDevice::InitializationError& exn) {
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fprintf(stderr, "ERROR: %s\n", exn.what());
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}
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return 0;
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}
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