mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-09-20 00:30:49 +00:00
120 lines
3.0 KiB
C++
120 lines
3.0 KiB
C++
#include <cstdint>
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#include <future>
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#include <thread>
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#include <utility>
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#include <vector>
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#include <iostream>
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#include <chrono>
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#include <Poco/Net/PollSet.h>
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#include <Poco/Net/SocketAddress.h>
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#include <Poco/Net/StreamSocket.h>
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#include <Interpreters/Context.h>
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int mainEntryClickHouseServer(int argc, char ** argv);
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static std::string clickhouse("clickhouse-server");
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static std::vector<char *> args{clickhouse.data()};
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static std::future<int> main_app;
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static std::string s_host("0.0.0.0");
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static char * host = s_host.data();
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static int64_t port = 9000;
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using namespace std::chrono_literals;
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extern "C"
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int LLVMFuzzerInitialize(int * argc, char ***argv)
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{
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for (int i = 1; i < *argc; ++i)
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{
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if ((*argv)[i][0] == '-')
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{
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if ((*argv)[i][1] == '-')
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args.push_back((*argv)[i]);
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else
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{
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if (strncmp((*argv)[i], "-host=", 6) == 0)
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{
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host = (*argv)[i] + 6;
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}
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else if (strncmp((*argv)[i], "-port=", 6) == 0)
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{
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char * p_end = nullptr;
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port = strtol((*argv)[i] + 6, &p_end, 10);
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}
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}
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}
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}
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args.push_back(nullptr);
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main_app = std::async(std::launch::async, mainEntryClickHouseServer, args.size() - 1, args.data());
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while (!DB::Context::getGlobalContextInstance() || !DB::Context::getGlobalContextInstance()->isServerCompletelyStarted())
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{
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std::this_thread::sleep_for(100ms);
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if (main_app.wait_for(0s) == std::future_status::ready)
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exit(-1);
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}
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return 0;
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}
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extern "C"
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int LLVMFuzzerTestOneInput(const uint8_t * data, size_t size)
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{
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try
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{
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if (main_app.wait_for(0s) == std::future_status::ready)
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return -1;
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if (size == 0)
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return -1;
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Poco::Net::SocketAddress address(host, port);
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Poco::Net::StreamSocket socket;
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socket.connectNB(address);
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Poco::Net::PollSet ps;
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ps.add(socket, Poco::Net::PollSet::POLL_READ | Poco::Net::PollSet::POLL_WRITE);
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std::vector<char> buf(1048576);
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size_t sent = 0;
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while (true)
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{
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auto m = ps.poll(Poco::Timespan(1000000));
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if (m.empty())
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continue;
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if (m.begin()->second & Poco::Net::PollSet::POLL_READ)
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{
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if (int n = socket.receiveBytes(buf.data(), static_cast<int>(buf.size())); n == 0)
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{
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socket.close();
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break;
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}
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continue;
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}
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if (sent < size && m.begin()->second & Poco::Net::PollSet::POLL_WRITE)
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{
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sent += socket.sendBytes(data + sent, static_cast<int>(size - sent));
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if (sent == size)
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{
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socket.shutdownSend();
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continue;
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}
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}
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}
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}
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catch (...)
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{
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}
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return 0;
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}
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