C++ AptIntf::emitPackages方法代码示例

static void backend_search_groups_thread(PkBackendJob *job, GVariant *params, gpointer user_data)
{
    gchar **search;
    PkBitfield filters;

    g_variant_get(params, "(t^a&s)",
                  &filters,
                  &search);

    AptIntf *apt = static_cast<AptIntf*>(pk_backend_job_get_user_data(job));
    if (!apt->init()) {
        g_debug("Failed to create apt cache");
        apt->emitFinished();
        return;
    }

    pk_backend_job_set_status(job, PK_STATUS_ENUM_QUERY);

    // It's faster to emmit the packages here rather than in the matching part
    PkgList output;
    output = apt->getPackagesFromGroup(search);
    apt->emitPackages(output, filters);

    pk_backend_job_set_percentage(job, 100);

    apt->emitFinished();
}

static void pk_backend_search_files_thread(PkBackendJob *job, GVariant *params, gpointer user_data)
{
    gchar **search;
    PkBitfield filters;
    AptIntf *apt = static_cast<AptIntf*>(pk_backend_job_get_user_data(job));

    g_variant_get(params, "(t^a&s)",
                  &filters,
                  &search);

    pk_backend_job_set_allow_cancel(job, true);

    // as we can only search for installed files lets avoid the opposite
    if (!pk_bitfield_contain(filters, PK_FILTER_ENUM_NOT_INSTALLED)) {
        if (!apt->init()) {
            g_debug("Failed to create apt cache");
            return;
        }

        pk_backend_job_set_status(job, PK_STATUS_ENUM_QUERY);
        PkgList output;
        output = apt->searchPackageFiles(search);

        // It's faster to emit the packages here rather than in the matching part
        apt->emitPackages(output, filters);
    }
}

static void backend_what_provides_thread(PkBackendJob *job, GVariant *params, gpointer user_data)
{
    PkBitfield filters;
    const gchar *provides_text;
    gchar **values;
    bool error = false;
    AptIntf *apt = static_cast<AptIntf*>(pk_backend_job_get_user_data(job));

    g_variant_get(params, "(t^a&s)",
                  &filters,
                  &values);

    pk_backend_job_set_status(job, PK_STATUS_ENUM_QUERY);

    // We can handle libraries, mimetypes and codecs
    if (!apt->init()) {
        g_debug("Failed to create apt cache");
        g_strfreev(values);
        return;
    }

    pk_backend_job_set_status(job, PK_STATUS_ENUM_QUERY);

    PkgList output;
    apt->providesLibrary(output, values);
    apt->providesCodec(output, values);
    apt->providesMimeType(output, values);

    // It's faster to emit the packages here rather than in the matching part
    apt->emitPackages(output, filters);
}

static void backend_get_updates_thread(PkBackendJob *job, GVariant *params, gpointer user_data)
{
    PkBitfield filters;
    g_variant_get(params, "(t)", &filters);

    pk_backend_job_set_allow_cancel(job, true);

    AptIntf *apt = static_cast<AptIntf*>(pk_backend_job_get_user_data(job));
    if (!apt->init()) {
        g_debug("Failed to create apt cache");
        apt->emitFinished();
        return;
    }

    pk_backend_job_set_status(job, PK_STATUS_ENUM_QUERY);

    PkgList updates;
    PkgList blocked;
    updates = apt->getUpdates(blocked);

    apt->emitUpdates(updates, filters);
    apt->emitPackages(blocked, filters, PK_INFO_ENUM_BLOCKED);

    apt->emitFinished();
}

static void backend_depends_on_or_requires_thread(PkBackendJob *job, GVariant *params, gpointer user_data)
{
    PkRoleEnum role;
    PkBitfield filters;
    gchar **package_ids;
    gboolean recursive;
    gchar *pi;

    g_variant_get(params, "(t^a&sb)",
                  &filters,
                  &package_ids,
                  &recursive);
    role = pk_backend_job_get_role(job);

    pk_backend_job_set_allow_cancel(job, true);

    AptIntf *apt = static_cast<AptIntf*>(pk_backend_job_get_user_data(job));
    if (!apt->init()) {
        g_debug("Failed to create apt cache");
        return;
    }

    pk_backend_job_set_status(job, PK_STATUS_ENUM_QUERY);
    PkgList output;
    for (uint i = 0; i < g_strv_length(package_ids); ++i) {
        if (apt->cancelled()) {
            break;
        }
        pi = package_ids[i];
        if (pk_package_id_check(pi) == false) {
            pk_backend_job_error_code(job,
                                      PK_ERROR_ENUM_PACKAGE_ID_INVALID,
                                      "%s",
                                      pi);
            return;
        }

        const pkgCache::VerIterator &ver = apt->aptCacheFile()->resolvePkgID(pi);
        if (ver.end()) {
            pk_backend_job_error_code(job,
                                      PK_ERROR_ENUM_PACKAGE_NOT_FOUND,
                                      "Couldn't find package %s",
                                      pi);
            return;
        }

        if (role == PK_ROLE_ENUM_DEPENDS_ON) {
            apt->getDepends(output, ver, recursive);
        } else {
            apt->getRequires(output, ver, recursive);
        }
    }

    // It's faster to emit the packages here than in the matching part
    apt->emitPackages(output, filters);
}

static void backend_what_provides_thread(PkBackendJob *job, GVariant *params, gpointer user_data)
{
    PkProvidesEnum provides;
    PkBitfield filters;
    const gchar *provides_text;
    gchar **values;
    bool error = false;
    AptIntf *apt = static_cast<AptIntf*>(pk_backend_job_get_user_data(job));

    g_variant_get(params, "(tu^a&s)",
                  &filters,
                  &provides,
                  &values);

    pk_backend_job_set_status(job, PK_STATUS_ENUM_QUERY);

    // We can handle libraries, mimetypes and codecs
    if (provides == PK_PROVIDES_ENUM_SHARED_LIB ||
            provides == PK_PROVIDES_ENUM_MIMETYPE ||
            provides == PK_PROVIDES_ENUM_CODEC ||
            provides == PK_PROVIDES_ENUM_ANY) {
        if (!apt->init()) {
            g_debug("Failed to create apt cache");
            g_strfreev(values);
            apt->emitFinished();
            return;
        }

        pk_backend_job_set_status(job, PK_STATUS_ENUM_QUERY);

        PkgList output;
        if (provides == PK_PROVIDES_ENUM_SHARED_LIB) {
            apt->providesLibrary(output, values);
        } else if (provides == PK_PROVIDES_ENUM_MIMETYPE) {
            apt->providesMimeType(output, values);
        } else if (provides == PK_PROVIDES_ENUM_CODEC) {
            apt->providesCodec(output, values);
        } else {
            // PK_PROVIDES_ENUM_ANY, just search for everything a package can provide
            apt->providesLibrary(output, values);
            apt->providesCodec(output, values);
            apt->providesMimeType(output, values);
        }

        // It's faster to emit the packages here rather than in the matching part
        apt->emitPackages(output, filters);
    } else {
        provides_text = pk_provides_enum_to_string(provides);
        pk_backend_job_error_code(job,
                                  PK_ERROR_ENUM_NOT_SUPPORTED,
                                  "Provides %s not supported",
                                  provides_text);
    }

    apt->emitFinished();
}

static void backend_search_package_thread(PkBackendJob *job, GVariant *params, gpointer user_data)
{
    gchar **values;
    gchar *search;
    PkBitfield filters;
    PkRoleEnum role;

    g_variant_get(params, "(t^a&s)",
                  &filters,
                  &values);
    search = g_strjoinv("|", values);

    AptIntf *apt = static_cast<AptIntf*>(pk_backend_job_get_user_data(job));
    if (!apt->init()) {
        g_debug("Failed to create apt cache");
        g_free(search);
        apt->emitFinished();
        return;
    }

    if (_error->PendingError() == true) {
        g_free(search);
        apt->emitFinished();
        return;
    }

    pk_backend_job_set_status(job, PK_STATUS_ENUM_QUERY);
    pk_backend_job_set_percentage(job, PK_BACKEND_PERCENTAGE_INVALID);
    pk_backend_job_set_allow_cancel(job, true);

    PkgList output;
    role = pk_backend_job_get_role(job);
    if (role == PK_ROLE_ENUM_SEARCH_DETAILS) {
        output = apt->searchPackageDetails(search);
    } else {
        output = apt->searchPackageName(search);
    }
    g_free(search);

    // It's faster to emmit the packages here than in the matching part
    apt->emitPackages(output, filters);

    pk_backend_job_set_percentage(job, 100);

    apt->emitFinished();
}

static void backend_get_packages_thread(PkBackendJob *job, GVariant *params, gpointer user_data)
{
    PkBitfield filters;
    g_variant_get(params, "(t)",
                  &filters);
    pk_backend_job_set_allow_cancel(job, true);

    AptIntf *apt = static_cast<AptIntf*>(pk_backend_job_get_user_data(job));
    if (!apt->init()) {
        g_debug("Failed to create apt cache");
        return;
    }

    PkgList output;
    output = apt->getPackages();

    // It's faster to emit the packages rather here than in the matching part
    apt->emitPackages(output, filters);
}

static void pk_backend_resolve_thread(PkBackendJob *job, GVariant *params, gpointer user_data)
{
    gchar **search;
    PkBitfield filters;

    g_variant_get(params, "(t^a&s)",
                  &filters,
                  &search);
    pk_backend_job_set_allow_cancel(job, true);

    AptIntf *apt = static_cast<AptIntf*>(pk_backend_job_get_user_data(job));
    if (!apt->init()) {
        g_debug("Failed to create apt cache");
        return;
    }

    PkgList pkgs = apt->resolvePackageIds(search);

    // It's faster to emit the packages here rather than in the matching part
    apt->emitPackages(pkgs, filters);
}