issue #64 , issue #56 (part)

gcontini

2019-10-19 8bbef2865455754425a84b86680a89bff8aa7691

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/*
 * EventRegistry.cpp
 *
 *  Created on: Mar 30, 2014
 *
 */
 
#include <cstddef>
#include <string.h>
#include <algorithm>
#include <map>
#include <iostream>
 
#include "EventRegistry.h"
#define LIC_ID_NOT_DEFINED "UNDEF"
 
namespace license {
using namespace std;
 
const map<EVENT_TYPE, int> PROGRESS_BY_EVENT_TYPE = { { LICENSE_SPECIFIED, 0 },
        { LICENSE_FOUND, 1 }, { PRODUCT_FOUND, 2 }, { SIGNATURE_VERIFIED, 3 }, {
                LICENSE_OK, 4 } };
 
EventRegistry::EventRegistry() {
    current_validation_step = -1;
}
 
EventRegistry& operator<<(EventRegistry &eventRegistry,
        AuditEvent &securityEvent) {
    eventRegistry.logs.push_back(securityEvent);
    return eventRegistry;
}
 
EventRegistry& operator<<(EventRegistry &eventRegistry1,
        EventRegistry &otherRegistry) {
    eventRegistry1.append(otherRegistry);
    return eventRegistry1;
}
 
ostream& operator<<(std::ostream &out, const EventRegistry &er) {
    out << string("EventReg[step:") << er.current_validation_step
            << ",events:{";
    for (auto &it : er.logs) {
        out << "[ev:" << it.event_type << ",sev:" << it.severity << "ref:"
                << it.license_reference << "]";
    }
    out << "]";
    return out;
}
 
void EventRegistry::append(const EventRegistry &eventRegistry) {
    logs.insert(logs.end(), eventRegistry.logs.begin(),
            eventRegistry.logs.end());
}
 
AuditEvent const* EventRegistry::getLastFailure() const {
    const AuditEvent *result = nullptr;
    if (logs.size() == 0) {
        return result;
    }
    //try to find a failure between the licenses who progressed the most
    if (mostAdvancedLogIdx_by_LicenseId.size() > 0) {
        for (auto const &mostAdvLogIter : mostAdvancedLogIdx_by_LicenseId) {
            const AuditEvent &currentLog = logs[mostAdvLogIter.second];
            if (currentLog.severity == SVRT_ERROR) {
                result = &(currentLog);
                break;
            }
        }
    }
    if (result == nullptr) {
        auto it = logs.end();
        do {
            --it;
            if (it->severity == SVRT_ERROR) {
                result = &(*it);
                break;
            }
        } while (it != logs.begin());
    }
    return result;
}
 
void EventRegistry::addEvent(EVENT_TYPE event,
        const std::string &licenseLocationId) {
    addEvent(event, licenseLocationId.c_str(), nullptr);
}
 
void EventRegistry::addEvent(EVENT_TYPE event, const char *licenseLocationId,
        const char *info) {
    AuditEvent audit;
    auto eventIterator = PROGRESS_BY_EVENT_TYPE.find(event);
    bool successEvent = (eventIterator != PROGRESS_BY_EVENT_TYPE.end());
    audit.severity = successEvent ? SVRT_INFO : SVRT_WARN;
    audit.event_type = event;
    if (licenseLocationId == nullptr) {
        strcpy(audit.license_reference, LIC_ID_NOT_DEFINED);
    } else {
        strncpy(audit.license_reference, licenseLocationId, MAX_PATH);
    }
    if (info == nullptr) {
        audit.param2[0] = '\0';
    } else {
        strncpy(audit.param2, info, 255);
    }
    logs.push_back(audit);
//udpate the status of the log
    if (successEvent) {
        int step = eventIterator->second;
        if (step > current_validation_step) {
            mostAdvancedLogIdx_by_LicenseId.clear();
            current_validation_step = step;
        }
 
        if (step == current_validation_step) {
            mostAdvancedLogIdx_by_LicenseId[audit.license_reference] =
                    logs.size() - 1;
        }
    } else if (mostAdvancedLogIdx_by_LicenseId.find(audit.license_reference)
            != mostAdvancedLogIdx_by_LicenseId.end()) {
        mostAdvancedLogIdx_by_LicenseId[audit.license_reference] = logs.size()
                - 1;
    }
}
 
bool EventRegistry::turnWarningsIntoErrors() {
    bool eventFound = false;
    if (mostAdvancedLogIdx_by_LicenseId.size() > 0) {
        for (auto const &mostAdvLogIter : mostAdvancedLogIdx_by_LicenseId) {
            AuditEvent &currentLog = logs[mostAdvLogIter.second];
            if (currentLog.severity == SVRT_WARN
                    || currentLog.severity == SVRT_ERROR) {
                currentLog.severity = SVRT_ERROR;
                eventFound = true;
            }
        }
    }
    if (!eventFound) {
        for (auto it = logs.begin(); it != logs.end(); ++it) {
            if (it->severity == SVRT_WARN) {
                it->severity = SVRT_ERROR;
                eventFound = true;
            }
        }
    }
    return eventFound;
}
 
bool EventRegistry::turnErrorsIntoWarnings() {
    bool eventFound = false;
    for (auto it = logs.begin(); it != logs.end(); ++it) {
        if (it->severity == SVRT_ERROR) {
            it->severity = SVRT_WARN;
            eventFound = true;
        }
    }
    return eventFound;
}
 
void EventRegistry::exportLastEvents(AuditEvent *auditEvents, int nlogs) {
    const int sizeToCopy = min(nlogs, (int) logs.size());
    std::copy(logs.end() - sizeToCopy, logs.end(), auditEvents);
}
 
bool EventRegistry::isGood() const {
    return getLastFailure() == nullptr;
}
 
}