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#include "talk/base/testclient.h"
#include "talk/base/thread.h"
#include "talk/base/physicalsocketserver.h"
#include "talk/base/host.h"
#include "talk/p2p/base/stunserver.h"
#include <cstring>
#include <iostream>
#include <cassert>
using namespace cricket;
StunMessage* GetResponse(talk_base::TestClient* client) {
talk_base::TestClient::Packet* packet = client->NextPacket();
assert(packet);
talk_base::ByteBuffer buf(packet->buf, packet->size);
StunMessage* msg = new StunMessage();
assert(msg->Read(&buf));
delete packet;
return msg;
}
int main(int argc, char* argv[]) {
assert(talk_base::LocalHost().networks().size() >= 2);
talk_base::SocketAddress server_addr(talk_base::LocalHost().networks()[1]->ip(), 7000);
talk_base::SocketAddress client_addr(talk_base::LocalHost().networks()[1]->ip(), 6000);
talk_base::Thread th;
talk_base::AsyncUDPSocket* server_socket = 0;
StunServer* server = 0;
if (argc >= 2) {
server_addr.SetIP(argv[1]);
client_addr.SetIP(0);
if (argc == 3)
server_addr.SetPort(atoi(argv[2]));
std::cout << "Using server at " << server_addr.ToString() << std::endl;
} else {
server_socket = talk_base::CreateAsyncUDPSocket(th.socketserver());
assert(server_socket->Bind(server_addr) >= 0);
server = new StunServer(server_socket);
}
talk_base::AsyncUDPSocket* client_socket = talk_base::CreateAsyncUDPSocket(th.socketserver());
assert(client_socket->Bind(client_addr) >= 0);
talk_base::TestClient* client = new talk_base::TestClient(client_socket, &th);
th.Start();
const char* bad = "this is a completely nonsensical message whose only "
"purpose is to make the parser go 'ack'. it doesn't "
"look anything like a normal stun message";
client->SendTo(bad, std::strlen(bad), server_addr);
StunMessage* msg = GetResponse(client);
assert(msg->type() == STUN_BINDING_ERROR_RESPONSE);
const StunErrorCodeAttribute* err = msg->GetErrorCode();
assert(err);
assert(err->error_class() == 4);
assert(err->number() == 0);
assert(err->reason() == std::string("Bad Request"));
delete msg;
std::string transaction_id = "0123456789abcdef";
StunMessage req;
req.SetType(STUN_BINDING_REQUEST);
req.SetTransactionID(transaction_id);
talk_base::ByteBuffer buf;
req.Write(&buf);
client->SendTo(buf.Data(), buf.Length(), server_addr);
StunMessage* msg2 = GetResponse(client);
assert(msg2->type() == STUN_BINDING_RESPONSE);
assert(msg2->transaction_id() == transaction_id);
const StunAddressAttribute* mapped_addr =
msg2->GetAddress(STUN_ATTR_MAPPED_ADDRESS);
assert(mapped_addr);
assert(mapped_addr->family() == 1);
assert(mapped_addr->port() == client_addr.port());
if (mapped_addr->ip() != client_addr.ip()) {
printf("Warning: mapped IP (%s) != local IP (%s)\n",
talk_base::SocketAddress::IPToString(mapped_addr->ip()).c_str(),
client_addr.IPAsString().c_str());
}
const StunAddressAttribute* source_addr =
msg2->GetAddress(STUN_ATTR_SOURCE_ADDRESS);
assert(source_addr);
assert(source_addr->family() == 1);
assert(source_addr->port() == server_addr.port());
assert(source_addr->ip() == server_addr.ip());
delete msg2;
th.Stop();
delete server;
delete server_socket;
delete client;
std::cout << "PASS" << std::endl;
return 0;
}
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