Program Listing for File gxf_utils.hpp

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/* * SPDX-FileCopyrightText: Copyright (c) 2022 NVIDIA CORPORATION & AFFILIATES. All rights reserved. * SPDX-License-Identifier: Apache-2.0 * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ #ifndef HOLOSCAN_CORE_GXF_GXF_UTILS_HPP #define HOLOSCAN_CORE_GXF_GXF_UTILS_HPP #include <gxf/core/gxf.h> #include <iostream> #include <sstream> #include <string> namespace holoscan::gxf { inline gxf_result_t add_connection(gxf_context_t context, gxf_uid_t source_cid, gxf_uid_t target_cid) { gxf_result_t code; gxf_uid_t connect_eid; const GxfEntityCreateInfo connect_entity_create_info = {nullptr, GXF_ENTITY_CREATE_PROGRAM_BIT}; code = GxfCreateEntity(context, &connect_entity_create_info, &connect_eid); gxf_tid_t connect_tid; code = GxfComponentTypeId(context, "nvidia::gxf::Connection", &connect_tid); gxf_uid_t connect_cid; code = GxfComponentAdd(context, connect_eid, connect_tid, "", &connect_cid); code = GxfParameterSetHandle(context, connect_cid, "source", source_cid); code = GxfParameterSetHandle(context, connect_cid, "target", target_cid); return code; } inline gxf_uid_t get_component_eid(gxf_context_t context, gxf_uid_t cid) { gxf_result_t code; gxf_uid_t eid; code = GxfComponentEntity(context, cid, &eid); (void)code; return eid; } inline std::string get_full_component_name(gxf_context_t context, gxf_uid_t cid) { gxf_result_t code; const char* cname; code = GxfComponentName(context, cid, &cname); gxf_uid_t eid; code = GxfComponentEntity(context, cid, &eid); const char* ename; code = GxfComponentName(context, eid, &ename); std::stringstream sstream; sstream << ename << "/" << cname; (void)code; return sstream.str(); } inline std::string create_name(const char* prefix, int index) { std::stringstream sstream; sstream << prefix << "_" << index; return sstream.str(); } inline std::string create_name(const char* prefix, const std::string& name) { std::stringstream sstream; sstream << prefix << "_" << name; return sstream.str(); } } // namespace holoscan::gxf #endif/* HOLOSCAN_CORE_GXF_GXF_UTILS_HPP */

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