icinga2/lib/remote/mallocinfohandler.cpp
Johannes Schmidt 749a4b0c89 Remove extra parameters from HTTP handler signature
These parameters are no longer needed since they were only used
by EventsHandler which was refactored in the other commit.
2025-07-14 10:36:59 +02:00

90 lines
1.8 KiB
C++

/* Icinga 2 | (c) 2024 Icinga GmbH | GPLv2+ */
#include "base/defer.hpp"
#include "remote/filterutility.hpp"
#include "remote/httputility.hpp"
#include "remote/mallocinfohandler.hpp"
#include <cstddef>
#include <cstdio>
#include <string>
#ifdef HAVE_MALLOC_INFO
# include <errno.h>
# include <malloc.h>
#endif /* HAVE_MALLOC_INFO */
using namespace icinga;
REGISTER_URLHANDLER("/v1/debug/malloc_info", MallocInfoHandler);
bool MallocInfoHandler::HandleRequest(
const WaitGroup::Ptr&,
HttpRequest& request,
HttpResponse& response,
boost::asio::yield_context&
)
{
namespace http = boost::beast::http;
if (request.Url()->GetPath().size() != 3) {
return false;
}
if (request.method() != http::verb::get) {
return false;
}
FilterUtility::CheckPermission(request.User(), "debug");
#ifndef HAVE_MALLOC_INFO
response.SendJsonError(request.Params(), 501, "malloc_info(3) not available.");
#else /* HAVE_MALLOC_INFO */
char* buf = nullptr;
size_t bufSize = 0;
FILE* f = nullptr;
Defer release ([&f, &buf]() {
if (f) {
(void)fclose(f);
}
free(buf);
});
f = open_memstream(&buf, &bufSize);
if (!f) {
auto error (errno);
BOOST_THROW_EXCEPTION(posix_error()
<< boost::errinfo_api_function("open_memstream")
<< boost::errinfo_errno(error));
}
if (malloc_info(0, f)) {
auto error (errno);
BOOST_THROW_EXCEPTION(posix_error()
<< boost::errinfo_api_function("malloc_info")
<< boost::errinfo_errno(error));
}
auto closeErr (fclose(f));
f = nullptr;
if (closeErr) {
auto error (errno);
BOOST_THROW_EXCEPTION(posix_error()
<< boost::errinfo_api_function("fclose")
<< boost::errinfo_errno(error));
}
response.result(200);
response.set(http::field::content_type, "application/xml");
response.body() << std::string(buf, bufSize);
#endif /* HAVE_MALLOC_INFO */
return true;
}