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Complete ping program

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This commit is contained in:
Baptiste Wicht 2016-09-03 22:30:37 +02:00
parent abd56314b8
commit 521f5b7912
1 changed files with 36 additions and 4 deletions
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34
programs/ping/src/main.cpp
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@ -20,7 +20,13 @@ int main(int argc, char* argv[]){
return 1;
}
std::string ip(argv[0]);
std::string ip(argv[1]);
auto ip_parts = std::split(ip, '.');
if (ip_parts.size() != 4) {
tlib::print_line("Invalid address IP");
return 1;
}
auto socket = tlib::socket_open(tlib::socket_domain::AF_INET, tlib::socket_type::RAW, tlib::socket_protocol::ICMP);
@ -29,7 +35,33 @@ int main(int argc, char* argv[]){
return 1;
}
tlib::icmp::packet_descriptor desc;
desc.payload_size = 0;
desc.target_ip = tlib::ip::make_address(std::atoui(ip_parts[0]), std::atoui(ip_parts[1]), std::atoui(ip_parts[2]), std::atoui(ip_parts[3]));
desc.type = tlib::icmp::type::ECHO_REQUEST;
desc.code = 0;
auto packet = tlib::prepare_packet(*socket, &desc);
if (!packet) {
tlib::printf("ping: prepare_packet error: %s\n", std::error_message(packet.error()));
return 1;
}
auto* command_header = reinterpret_cast<tlib::icmp::echo_request_header*>(packet->payload + packet->index);
command_header->identifier = 0x666;
command_header->sequence = 0x1;
auto status = tlib::finalize_packet(*socket, *packet);
if (!status) {
tlib::printf("ping: finalize_packet error: %s\n", std::error_message(status.error()));
return 1;
}
tlib::socket_close(*socket);
//TODO Wait for replies
return 0;
}