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https://github.com/Icinga/icinga2.git
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36ed2d0648
to respect `l_FlushThreshold` in all messages. Especially `l_FlushThreshold` may now be lowered in the future without re-evaluating all possible responses. Side effect: all HTTP responses use chunked encoding now.
94 lines
2 KiB
C++
94 lines
2 KiB
C++
// SPDX-FileCopyrightText: 2024 Icinga GmbH <https://icinga.com>
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// SPDX-License-Identifier: GPL-2.0-or-later
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#include "base/defer.hpp"
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#include "remote/filterutility.hpp"
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#include "remote/httputility.hpp"
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#include "remote/mallocinfohandler.hpp"
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#include <cstddef>
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#include <cstdio>
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#include <string>
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#ifdef HAVE_MALLOC_INFO
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# include <errno.h>
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# include <malloc.h>
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#endif /* HAVE_MALLOC_INFO */
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using namespace icinga;
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REGISTER_URLHANDLER("/v1/debug/malloc_info", MallocInfoHandler);
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bool MallocInfoHandler::HandleRequest(
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const WaitGroup::Ptr&,
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const HttpApiRequest& request,
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HttpApiResponse& response,
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boost::asio::yield_context& yc
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)
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{
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namespace http = boost::beast::http;
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auto url = request.Url();
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auto user = request.User();
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auto params = request.Params();
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if (url->GetPath().size() != 3) {
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return false;
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}
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if (request.method() != http::verb::get) {
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return false;
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}
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FilterUtility::CheckPermission(user, "debug");
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#ifndef HAVE_MALLOC_INFO
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HttpUtility::SendJsonError(response, params, 501, yc, "malloc_info(3) not available.");
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#else /* HAVE_MALLOC_INFO */
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char* buf = nullptr;
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size_t bufSize = 0;
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FILE* f = nullptr;
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Defer release ([&f, &buf]() {
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if (f) {
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(void)fclose(f);
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}
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free(buf);
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});
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f = open_memstream(&buf, &bufSize);
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if (!f) {
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auto error (errno);
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BOOST_THROW_EXCEPTION(posix_error()
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<< boost::errinfo_api_function("open_memstream")
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<< boost::errinfo_errno(error));
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}
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if (malloc_info(0, f)) {
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auto error (errno);
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BOOST_THROW_EXCEPTION(posix_error()
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<< boost::errinfo_api_function("malloc_info")
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<< boost::errinfo_errno(error));
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}
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auto closeErr (fclose(f));
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f = nullptr;
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if (closeErr) {
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auto error (errno);
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BOOST_THROW_EXCEPTION(posix_error()
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<< boost::errinfo_api_function("fclose")
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<< boost::errinfo_errno(error));
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}
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response.result(200);
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response.set(http::field::content_type, "application/xml");
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response.body() << std::string_view(buf, bufSize);
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#endif /* HAVE_MALLOC_INFO */
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return true;
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}
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