Feature: C Language Support

languages/c/language.config.json

@@ -0,0 +1,18 @@
+{
+    "name": "C",
+    "langcode": "c",
+    "createModuleDirectories": false,
+    "extractSubSchemas": true,
+    "templatesPerModule": [
+        "/include/module.h",
+        "/src/module.cpp"
+    ],
+    "templatesPerSchema": [
+        "/include/common/module.h",
+        "/src/module_common.cpp",
+        "/src/jsondata_module.h"
+    ],
+    "persistPermission": true,
+    "createPolymorphicMethods": true,
+    "excludeDeclarations":true
+}

languages/c/src/index.mjs

@@ -0,0 +1,19 @@
+/*
+ * Copyright 2021 Comcast Cable Communications Management, LLC
+ *
+ * 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.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+export { default as Transport } from './shared/Transport/index.mjs'

languages/c/src/shared/CMakeLists.txt

@@ -0,0 +1,56 @@
+# Copyright 2023 Comcast Cable Communications Management, LLC
+#
+# 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.
+#
+# SPDX-License-Identifier: Apache-2.0
+
+cmake_minimum_required(VERSION 3.3)
+
+project(Firebolt)
+
+set(FIREBOLT_TRANSPORT_WAITTIME 1000 CACHE STRING "Maximum time to wait for Transport layer to get response")
+set(FIREBOLT_LOGLEVEL "Info" CACHE STRING  "Log level to be enabled")
+option(FIREBOLT_ENABLE_STATIC_LIB "Create Firebolt library as Static library" OFF)
+option(ENABLE_TESTS "Build openrpc native test" OFF)
+
+if (FIREBOLT_ENABLE_STATIC_LIB)
+    set(FIREBOLT_LIBRARY_TYPE STATIC)
+else ()
+    set(FIREBOLT_LIBRARY_TYPE SHARED)
+endif ()
+
+if (CMAKE_INSTALL_PREFIX_INITIALIZED_TO_DEFAULT)
+    set(CMAKE_INSTALL_PREFIX "${SYSROOT_PATH}/usr" CACHE INTERNAL "" FORCE)
+    set(CMAKE_PREFIX_PATH ${SYSROOT_PATH}/usr/lib/cmake CACHE INTERNAL "" FORCE)
+endif()
+
+list(APPEND CMAKE_MODULE_PATH
+        "${CMAKE_SOURCE_DIR}/cmake"
+        "${SYSROOT_PATH}/usr/lib/cmake"
+        "${SYSROOT_PATH}/tools/cmake")
+include(HelperFunctions)
+
+set(FIREBOLT_NAMESPACE ${PROJECT_NAME} CACHE STRING "Namespace of the project")
+
+find_package(WPEFramework CONFIG REQUIRED)
+
+add_subdirectory(src)
+
+if (ENABLE_TESTS)
+   add_subdirectory(test)
+endif()
+
+# make sure others can make use cmake settings of Firebolt OpenRPC
+configure_file( "${CMAKE_SOURCE_DIR}/cmake/project.cmake.in"
+        "${CMAKE_BINARY_DIR}/${FIREBOLT_NAMESPACE}Config.cmake"
+    @ONLY)

languages/c/src/shared/cmake/HelperFunctions.cmake

@@ -0,0 +1,72 @@
+# Copyright 2023 Comcast Cable Communications Management, LLC
+#
+# 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.
+#
+# SPDX-License-Identifier: Apache-2.0
+
+macro(GetSubDirs subdirs currentdir)
+    file(GLOB subdirectories RELATIVE ${currentdir} ${currentdir}/*)
+    set(subdirs "")
+    foreach(subdir ${subdirectories})
+        if (IS_DIRECTORY ${currentdir}/${subdir})
+            list(APPEND subdirs ${subdir})
+        endif()
+    endforeach()
+endmacro()
+
+function(InstallHeaders)
+    set(optionsArgs EXCLUDE_ROOT_DIR)
+    set(oneValueArgs TARGET NAMESPACE SOURCE DESTINATION)
+    set(multiValueArgs HEADERS)
+
+    cmake_parse_arguments(Argument "${optionsArgs}" "${oneValueArgs}" "${multiValueArgs}" ${ARGN} )
+    if (Argument_UNPARSED_ARGUMENTS)
+        message(FATAL_ERROR "Unknown keywords given to InstallHeaders(): \"${Argument_UNPARSED_ARGUMENTS}\"")
+    endif()
+    if (Argument_HEADERS)
+        add_custom_command(
+            TARGET ${Argument_TARGET}
+            POST_BUILD
+            COMMENT "=================== Installing Headers ======================"
+        )
+        foreach(directory ${Argument_HEADERS})
+            if (Argument_EXCLUDE_ROOT_DIR)
+                set(destination ${Argument_DESTINATION})
+            else()
+                set(destination ${Argument_DESTINATION}/${directory})
+            endif()
+
+            if (Argument_SOURCE)
+                set(source ${Argument_SOURCE})
+            else()
+                set(source ${CMAKE_CURRENT_LIST_DIR})
+            endif()
+
+            GetSubDirs(subdirs ${source}/${directory})
+            list(APPEND subdirs ${directory})
+
+            foreach(subdir ${subdirs})
+                if (NOT subdir STREQUAL ".")
+                    set(dest ${destination}/${subdir})
+                    file(GLOB headers "${source}/${directory}/${subdir}/*.h")
+                    if (headers)
+                        install(
+                            DIRECTORY "${source}/${directory}/${subdir}"
+			    DESTINATION include/${dest}
+                            FILES_MATCHING PATTERN "*.h")
+                    endif()
+                endif()
+            endforeach(subdir)
+        endforeach(directory)
+    endif()
+endfunction(InstallHeaders)

languages/c/src/shared/cmake/project.cmake.in

@@ -0,0 +1,35 @@
+# Copyright 2023 Comcast Cable Communications Management, LLC
+#
+# 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.
+#
+# SPDX-License-Identifier: Apache-2.0
+
+set(FIREBOLT_NAMESPACE "@FIREBOLT_NAMESPACE@" CACHE INTERNAL "" FORCE)
+set("${FIREBOLT_NAMESPACE}_FOUND" TRUE CACHE INTERNAL "" FORCE)
+
+list(APPEND CMAKE_MODULE_PATH
+        "${CMAKE_SOURCE_DIR}/cmake"
+        "${SYSROOT_PATH}/usr/lib/cmake"
+        "${SYSROOT_PATH}/usr/lib/cmake/Firebolt"
+        "${SYSROOT_PATH}/tools/cmake")
+
+if (NOT DEFINED CMAKE_PREFIX_PATH)
+    set(CMAKE_PREFIX_PATH ${SYSROOT_PATH}/usr/lib/cmake CACHE INTERNAL "" FORCE)
+endif()
+
+if (FIREBOLT_ENABLE_STATIC_LIB)
+    set(FIREBOLT_LIBRARY_TYPE STATIC)
+else ()
+    set(FIREBOLT_LIBRARY_TYPE SHARED)
+endif ()
+

languages/c/src/shared/include/error.h

@@ -0,0 +1,41 @@
+/*
+ * Copyright 2023 Comcast Cable Communications Management, LLC
+ *
+ * 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.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#ifndef FIREBOLT_ERROR_H
+#define FIREBOLT_ERROR_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef enum FireboltSDKError {
+    FireboltSDKErrorNone = 0,
+    FireboltSDKErrorGeneral = 1,
+    FireboltSDKErrorUnavailable = 2,
+    FireboltSDKErrorTimedout = 3,
+    FireboltSDKErrorNotSubscribed = 4,
+    FireboltSDKErrorUnknown = 5,
+    FireboltSDKErrorInUse = 6,
+    FireboltSDKErrorNotSupported = 7
+} FireboltSDKError_t;
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif // FIREBOLT_ERROR_H

languages/c/src/shared/include/firebolt.h

@@ -0,0 +1,68 @@
+/*
+ * Copyright 2023 Comcast Cable Communications Management, LLC
+ *
+ * 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.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#ifndef FIREBOLT_H
+#define FIREBOLT_H
+
+#include "error.h"
+#include "types.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define IN
+#define OUT
+
+/**
+ * @brief Intitialize the Firebolt SDK
+ *
+ * @param configLine JSON String with configuration options
+ *
+ * CONFIG Format:
+ *  {
+ *     "waitTime": 1000,
+ *     "logLevel": "Info",
+ *     "workerPool":{
+ *       "queueSize": 8,
+ *       "threadCount": 3
+ *      },
+ *     "wsUrl": "ws://127.0.0.1:9998"
+ *  }
+ *
+ *
+ * @return FireboltSDKErrorNone if success, appropriate error otherwise.
+ *
+ */
+uint32_t FireboltSDK_Initialize(char* configLine);
+
+
+/**
+ * @brief Deintitialize the Firebolt SDK
+ *
+ * @return FireboltSDKErrorNone if success, appropriate error otherwise.
+ *
+ */
+uint32_t FireboltSDK_Deinitialize(void);
+
+#ifdef __cplusplus
+}
+#endif
+
+
+#endif // FIREBOLT_H

languages/c/src/shared/include/types.h

@@ -0,0 +1,37 @@
+/*
+ * Copyright 2023 Comcast Cable Communications Management, LLC
+ *
+ * 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.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#ifndef FIREBOLT_TYPES_H
+#define FIREBOLT_TYPES_H
+
+#include <stdint.h>
+#include <stdbool.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef struct Firebolt_String_s* Firebolt_String_t;
+const char* Firebolt_String(Firebolt_String_t handle);
+void Firebolt_String_Release(Firebolt_String_t handle);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif // FIREBOLT_TYPES_H