SocketTestUtilities.cpp
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//===----------------- SocketTestUtilities.cpp ------------------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include "SocketTestUtilities.h"
#include "lldb/Host/Config.h"
#include "lldb/Utility/StreamString.h"
#ifdef _WIN32
#include <winsock2.h>
#include <ws2tcpip.h>
#else
#include <arpa/inet.h>
#endif
using namespace lldb_private;
static void AcceptThread(Socket *listen_socket, bool child_processes_inherit,
Socket **accept_socket, Status *error) {
*error = listen_socket->Accept(*accept_socket);
}
template <typename SocketType>
void lldb_private::CreateConnectedSockets(
llvm::StringRef listen_remote_address,
const std::function<std::string(const SocketType &)> &get_connect_addr,
std::unique_ptr<SocketType> *a_up, std::unique_ptr<SocketType> *b_up) {
bool child_processes_inherit = false;
Status error;
std::unique_ptr<SocketType> listen_socket_up(
new SocketType(true, child_processes_inherit));
EXPECT_FALSE(error.Fail());
error = listen_socket_up->Listen(listen_remote_address, 5);
EXPECT_FALSE(error.Fail());
EXPECT_TRUE(listen_socket_up->IsValid());
Status accept_error;
Socket *accept_socket;
std::thread accept_thread(AcceptThread, listen_socket_up.get(),
child_processes_inherit, &accept_socket,
&accept_error);
std::string connect_remote_address = get_connect_addr(*listen_socket_up);
std::unique_ptr<SocketType> connect_socket_up(
new SocketType(true, child_processes_inherit));
EXPECT_FALSE(error.Fail());
error = connect_socket_up->Connect(connect_remote_address);
EXPECT_FALSE(error.Fail());
EXPECT_TRUE(connect_socket_up->IsValid());
a_up->swap(connect_socket_up);
EXPECT_TRUE(error.Success());
EXPECT_NE(nullptr, a_up->get());
EXPECT_TRUE((*a_up)->IsValid());
accept_thread.join();
b_up->reset(static_cast<SocketType *>(accept_socket));
EXPECT_TRUE(accept_error.Success());
EXPECT_NE(nullptr, b_up->get());
EXPECT_TRUE((*b_up)->IsValid());
listen_socket_up.reset();
}
bool lldb_private::CreateTCPConnectedSockets(
std::string listen_remote_ip, std::unique_ptr<TCPSocket> *socket_a_up,
std::unique_ptr<TCPSocket> *socket_b_up) {
StreamString strm;
strm.Printf("[%s]:0", listen_remote_ip.c_str());
CreateConnectedSockets<TCPSocket>(
strm.GetString(),
[=](const TCPSocket &s) {
char connect_remote_address[64];
snprintf(connect_remote_address, sizeof(connect_remote_address),
"[%s]:%u", listen_remote_ip.c_str(), s.GetLocalPortNumber());
return std::string(connect_remote_address);
},
socket_a_up, socket_b_up);
return true;
}
#if LLDB_ENABLE_POSIX
void lldb_private::CreateDomainConnectedSockets(
llvm::StringRef path, std::unique_ptr<DomainSocket> *socket_a_up,
std::unique_ptr<DomainSocket> *socket_b_up) {
return CreateConnectedSockets<DomainSocket>(
path, [=](const DomainSocket &) { return path.str(); }, socket_a_up,
socket_b_up);
}
#endif
bool lldb_private::IsAddressFamilySupported(std::string ip) {
auto addresses = lldb_private::SocketAddress::GetAddressInfo(
ip.c_str(), NULL, AF_UNSPEC, SOCK_STREAM, IPPROTO_TCP);
return addresses.size() > 0;
}
bool lldb_private::IsIPv4(std::string ip) {
struct sockaddr_in sock_addr;
return inet_pton(AF_INET, ip.c_str(), &(sock_addr.sin_addr)) != 0;
}