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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#include "assert.h"
#include <vespa/defaults.h>
#include <vespa/vespalib/util/backtrace.h>
#include <vespa/vespalib/util/stringfmt.h>
#include <vespa/vespalib/util/time.h>
#include <vespa/vespalib/component/vtag.h>
#include <fstream>
#include <map>
#include <mutex>
#include <vespa/log/log.h>
LOG_SETUP(".vespa.assert");
namespace vespalib::assert {
namespace {
std::mutex _G_lock;
std::map<std::string, size_t> _G_assertMap;
}
size_t
getNumAsserts(const char *key)
{
std::lock_guard guard(_G_lock);
return _G_assertMap[key];
}
vespalib::string
getAssertLogFileName(const char *key)
{
vespalib::string relative = make_string("var/db/vespa/tmp/%s.%s.assert", key, Vtag::currentVersion.toString().c_str());
return vespa::Defaults::underVespaHome(relative.c_str());
}
void
assertOnceOrLog(const char *expr, const char *key, size_t freq)
{
size_t count(0);
{
std::lock_guard guard(_G_lock);
count = _G_assertMap[key]++;
}
if (count) {
if ((count % freq) == 0) {
LOG(error, "assert(%s) named '%s' has failed %zu times. Stacktrace = %s",
expr, key, count+1, vespalib::getStackTrace(0).c_str());
}
} else {
std::string rememberAssert = getAssertLogFileName(key);
std::ifstream prevAssertFile(rememberAssert.c_str());
if (prevAssertFile) {
if ((count % freq) == 0) {
LOG(error, "assert(%s) named '%s' has failed %zu times. Stacktrace = %s",
expr, key, count + 1, vespalib::getStackTrace(0).c_str());
}
} else {
{
LOG(error, "assert(%s) named '%s' failed first time. Stacktrace = %s",
expr, key, vespalib::getStackTrace(0).c_str());
std::ofstream assertStream(rememberAssert.c_str());
assertStream << to_string(system_clock::now()) << " assert(" << expr
<< ") named " << key << " failed" << std::endl;
assertStream.close();
}
abort();
}
}
}
}
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