From 0c6f41e5965d0013cd871659c52c9abb1057550c Mon Sep 17 00:00:00 2001 From: Shoichi Hiramatsu Date: Mon, 6 Apr 2020 22:16:50 +0900 Subject: Check in demonstration POI binding Bug-AGL: SPEC-3291 Signed-off-by: Shoichi Hiramatsu Change-Id: Iac3488f240f7ae1c19fa6c650bcfcd240e88224a --- binding/CMakeLists.txt | 22 +++++ binding/LICENSE | 54 ++++++++++++ binding/autobuild/agl/autobuild | 127 ++++++++++++++++++++++++++++ binding/autobuild/linux/autobuild | 127 ++++++++++++++++++++++++++++ binding/conf.d/cmake/config.cmake | 153 +++++++++++++++++++++++++++++++++ binding/conf.d/wgt/config.xml.in | 28 +++++++ binding/src/CMakeLists.txt | 36 ++++++++ binding/src/binding-api.c | 65 ++++++++++++++ binding/src/binding-api.h | 49 +++++++++++ binding/src/verbs.cpp | 172 ++++++++++++++++++++++++++++++++++++++ 10 files changed, 833 insertions(+) create mode 100644 binding/CMakeLists.txt create mode 100644 binding/LICENSE create mode 100755 binding/autobuild/agl/autobuild create mode 100755 binding/autobuild/linux/autobuild create mode 100755 binding/conf.d/cmake/config.cmake create mode 100644 binding/conf.d/wgt/config.xml.in create mode 100644 binding/src/CMakeLists.txt create mode 100644 binding/src/binding-api.c create mode 100644 binding/src/binding-api.h create mode 100644 binding/src/verbs.cpp diff --git a/binding/CMakeLists.txt b/binding/CMakeLists.txt new file mode 100644 index 0000000..459773a --- /dev/null +++ b/binding/CMakeLists.txt @@ -0,0 +1,22 @@ +########################################################################### +# Copyright 2015, 2016, 2017 IoT.bzh +# +# author: Romain Forlot +# +# 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. +########################################################################### + +CMAKE_MINIMUM_REQUIRED(VERSION 3.3) + +include(${CMAKE_CURRENT_SOURCE_DIR}/conf.d/cmake/config.cmake) + diff --git a/binding/LICENSE b/binding/LICENSE new file mode 100644 index 0000000..31c692a --- /dev/null +++ b/binding/LICENSE @@ -0,0 +1,54 @@ +Apache License + +Version 2.0, January 2004 + +http://www.apache.org/licenses/ + +TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION + +1. 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then \ + mkdir -p ${DEST} && cp ${BUILD_DIR}/*.wgt ${DEST}; \ + fi + +package-test: build-test + @mkdir -p ${BUILD_DIR_TEST}/package/bin + @mkdir -p ${BUILD_DIR_TEST}/package/etc + @mkdir -p ${BUILD_DIR_TEST}/package/lib + @mkdir -p ${BUILD_DIR_TEST}/package/htdocs + @mkdir -p ${BUILD_DIR_TEST}/package/var + @cmake --build ${BUILD_DIR_TEST} ${PACKAGE_ARGS} --target widget + @cmake --build ${BUILD_DIR_TEST} ${PACKAGE_ARGS} --target test_widget + @if [ "${DEST}" != "${BUILD_DIR_TEST}" ]; then \ + mkdir -p ${DEST} && cp ${BUILD_DIR_TEST}/*.wgt ${DEST}; \ + fi + +package-test: build-test + @mkdir -p ${BUILD_DIR_DEBUG}/package/bin + @mkdir -p ${BUILD_DIR_DEBUG}/package/etc + @mkdir -p ${BUILD_DIR_DEBUG}/package/lib + @mkdir -p ${BUILD_DIR_DEBUG}/package/htdocs + @mkdir -p ${BUILD_DIR_DEBUG}/package/var + @cmake --build ${BUILD_DIR_DEBUG} ${PACKAGE_ARGS} --target widget + @cmake --build ${BUILD_DIR_DEBUG} ${PACKAGE_ARGS} --target test_widget + @if [ "${DEST}" != "${BUILD_DIR_DEBUG}" ]; then \ + mkdir -p ${DEST} && cp ${BUILD_DIR_DEBUG}/*.wgt ${DEST}; \ + fi + +package-coverage: build-coverage + @mkdir -p ${BUILD_DIR_COVERAGE}/package/bin + @mkdir -p ${BUILD_DIR_COVERAGE}/package/etc + @mkdir -p ${BUILD_DIR_COVERAGE}/package/lib + @mkdir -p ${BUILD_DIR_COVERAGE}/package/htdocs + @mkdir -p ${BUILD_DIR_COVERAGE}/package/var + @cmake --build ${BUILD_DIR_COVERAGE} ${PACKAGE_ARGS} --target widget + @cmake --build ${BUILD_DIR_COVERAGE} ${PACKAGE_ARGS} --target test_widget + @if [ "${DEST}" != "${BUILD_DIR_COVERAGE}" ]; then \ + mkdir -p ${DEST} && cp ${BUILD_DIR_COVERAGE}/*.wgt ${DEST}; \ + fi + +package-all: package package-test package-coverage package-debug + +install: build + @cmake --build ${BUILD_DIR} ${INSTALL_ARGS} --target install diff --git a/binding/autobuild/linux/autobuild b/binding/autobuild/linux/autobuild new file mode 100755 index 0000000..a7c25ae --- /dev/null +++ b/binding/autobuild/linux/autobuild @@ -0,0 +1,127 @@ +#!/usr/bin/make -f +# Copyright (C) 2015 - 2018 "IoT.bzh" +# Author "Romain Forlot" +# +# 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. + +THISFILE := $(lastword $(MAKEFILE_LIST)) +BUILD_DIR := $(abspath $(dir $(THISFILE))/../../build) +BUILD_DIR_TEST := $(abspath $(dir $(THISFILE))/../../build-test) +BUILD_DIR_DEBUG := $(abspath $(dir $(THISFILE))/../../build-debug) +BUILD_DIR_COVERAGE := $(abspath $(dir $(THISFILE))/../../build-coverage) +DEST := ${BUILD_DIR} + +.PHONY: all clean distclean configure build package help configure-debug configure-coverage build-debug build-coverage package-test package-debug package-coverage package-debug package-all + +all: help + +help: + @echo "List of targets available:" + @echo "" + @echo "- all" + @echo "- clean" + @echo "- distclean" + @echo "- configure" + @echo "- build: compilation, link and prepare files for package into a widget" + @echo "- package: output a widget file '*.wgt'" + @echo "- install: install in your ${CMAKE_INSTALL_DIR} directory" + @echo "" + @echo "Usage: ./autobuild/agl/autobuild package DEST=${HOME}/opt" + @echo "Don't use your build dir as DEST as wgt file is generated at this location" + +clean: + @([ -d ${BUILD_DIR} ] && make -C ${BUILD_DIR} ${CLEAN_ARGS} clean) || echo Nothing to clean + +distclean: + @[ -d ${DEST} ] && find ${DEST} -name "*.wgt" -delete + @rm -rf ${BUILD_DIR} + +configure: + @[ -d ${BUILD_DIR} ] || mkdir -p ${BUILD_DIR} + @[ -f ${BUILD_DIR}/Makefile ] || (cd ${BUILD_DIR} && cmake ${CONFIGURE_ARGS} ..) + +configure-test: + @[ -d ${BUILD_DIR_TEST} ] || mkdir -p ${BUILD_DIR_TEST} + @[ -f ${BUILD_DIR_TEST}/Makefile ] || (cd ${BUILD_DIR_TEST} && cmake ${CONFIGURE_ARGS} ..) + +configure-debug: + @[ -d ${BUILD_DIR_DEBUG} ] || mkdir -p ${BUILD_DIR_DEBUG} + @[ -f ${BUILD_DIR_DEBUG}/Makefile ] || (cd ${BUILD_DIR_DEBUG} && cmake ${CONFIGURE_ARGS} ..) + +configure-coverage: + @[ -d ${BUILD_DIR_COVERAGE} ] || mkdir -p ${BUILD_DIR_COVERAGE} + @[ -f ${BUILD_DIR_COVERAGE}/Makefile ] || (cd ${BUILD_DIR_COVERAGE} && cmake ${CONFIGURE_ARGS} ..) + +build: configure + @cmake --build ${BUILD_DIR} ${BUILD_ARGS} --target all + +build-test: configure-test + @cmake --build ${BUILD_DIR_TEST} ${BUILD_ARGS} --target all + +build-debug: configure-debug + @cmake --build ${BUILD_DIR_DEBUG} ${BUILD_ARGS} --target all + +build-coverage: configure-coverage + @cmake --build ${BUILD_DIR_COVERAGE} ${BUILD_ARGS} --target all + +package: build + @mkdir -p ${BUILD_DIR}/$@/bin + @mkdir -p ${BUILD_DIR}/$@/etc + @mkdir -p ${BUILD_DIR}/$@/lib + @mkdir -p ${BUILD_DIR}/$@/htdocs + @mkdir -p ${BUILD_DIR}/$@/var + @cmake --build ${BUILD_DIR} ${PACKAGE_ARGS} --target widget + @if [ "${DEST}" != "${BUILD_DIR}" ]; then \ + mkdir -p ${DEST} && cp ${BUILD_DIR}/*.wgt ${DEST}; \ + fi + +package-test: build-test + @mkdir -p ${BUILD_DIR_TEST}/package/bin + @mkdir -p ${BUILD_DIR_TEST}/package/etc + @mkdir -p ${BUILD_DIR_TEST}/package/lib + @mkdir -p ${BUILD_DIR_TEST}/package/htdocs + @mkdir -p ${BUILD_DIR_TEST}/package/var + @cmake --build ${BUILD_DIR_TEST} ${PACKAGE_ARGS} --target widget + @cmake --build ${BUILD_DIR_TEST} ${PACKAGE_ARGS} --target test_widget + @if [ "${DEST}" != "${BUILD_DIR_TEST}" ]; then \ + mkdir -p ${DEST} && cp ${BUILD_DIR_TEST}/*.wgt ${DEST}; \ + fi + +package-test: build-test + @mkdir -p ${BUILD_DIR_DEBUG}/package/bin + @mkdir -p ${BUILD_DIR_DEBUG}/package/etc + @mkdir -p ${BUILD_DIR_DEBUG}/package/lib + @mkdir -p ${BUILD_DIR_DEBUG}/package/htdocs + @mkdir -p ${BUILD_DIR_DEBUG}/package/var + @cmake --build ${BUILD_DIR_DEBUG} ${PACKAGE_ARGS} --target widget + @cmake --build ${BUILD_DIR_DEBUG} ${PACKAGE_ARGS} --target test_widget + @if [ "${DEST}" != "${BUILD_DIR_DEBUG}" ]; then \ + mkdir -p ${DEST} && cp ${BUILD_DIR_DEBUG}/*.wgt ${DEST}; \ + fi + +package-coverage: build-coverage + @mkdir -p ${BUILD_DIR_COVERAGE}/package/bin + @mkdir -p ${BUILD_DIR_COVERAGE}/package/etc + @mkdir -p ${BUILD_DIR_COVERAGE}/package/lib + @mkdir -p ${BUILD_DIR_COVERAGE}/package/htdocs + @mkdir -p ${BUILD_DIR_COVERAGE}/package/var + @cmake --build ${BUILD_DIR_COVERAGE} ${PACKAGE_ARGS} --target widget + @cmake --build ${BUILD_DIR_COVERAGE} ${PACKAGE_ARGS} --target test_widget + @if [ "${DEST}" != "${BUILD_DIR_COVERAGE}" ]; then \ + mkdir -p ${DEST} && cp ${BUILD_DIR_COVERAGE}/*.wgt ${DEST}; \ + fi + +package-all: package package-test package-coverage package-debug + +install: build + @cmake --build ${BUILD_DIR} ${INSTALL_ARGS} --target install diff --git a/binding/conf.d/cmake/config.cmake b/binding/conf.d/cmake/config.cmake new file mode 100755 index 0000000..f16f1c3 --- /dev/null +++ b/binding/conf.d/cmake/config.cmake @@ -0,0 +1,153 @@ +########################################################################### +# Copyright 2015, 2016, 2017 IoT.bzh +# +# author: Fulup Ar Foll +# +# 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. +########################################################################### + +# Project Info +# ------------------ +set(PROJECT_NAME agl-service-poi) +set(PROJECT_PRETTY_NAME "AFM binding for POI interface") +set(PROJECT_DESCRIPTION "Binding for POI interface") +set(PROJECT_URL "http://micdev14.micware.local/hiramatsu_sh/agl-service-poi") +set(PROJECT_VERSION "0.1") +set(PROJECT_ICON "icon.png") +set(PROJECT_LICENSE "APL2.0") +set(PROJECT_LANGUAGES,"C") +set(API_NAME "poi") + +# Where are stored the project configuration files +# relative to the root project directory +set(PROJECT_CMAKE_CONF_DIR "conf.d") + +# Where are stored your external libraries for your project. This is 3rd party library that you don't maintain +# but used and must be built and linked. +# set(PROJECT_LIBDIR "libs") + +# Where are stored data for your application. Pictures, static resources must be placed in that folder. +# set(PROJECT_RESOURCES "data") + +# Which directories inspect to find CMakeLists.txt target files +# set(PROJECT_SRC_DIR_PATTERN "*") + +# Compilation Mode (DEBUG, RELEASE) +# ---------------------------------- +set(BUILD_TYPE "RELEASE") + +# Kernel selection if needed. You can choose between a +# mandatory version to impose a minimal version. +# Or check Kernel minimal version and just print a Warning +# about missing features and define a preprocessor variable +# to be used as preprocessor condition in code to disable +# incompatibles features. Preprocessor define is named +# KERNEL_MINIMAL_VERSION_OK. +# +# NOTE*** FOR NOW IT CHECKS KERNEL Yocto environment and +# Yocto SDK Kernel version. +# ----------------------------------------------- +#set(kernel_mandatory_version 4.8) + +# Compiler selection if needed. Impose a minimal version. +# ----------------------------------------------- +set (gcc_minimal_version 4.9) + +# PKG_CONFIG required packages +# ----------------------------- +set (PKG_REQUIRED_LIST + json-c + libsystemd>=222 + afb-daemon +) + +# Customize link option +# ----------------------------- +list (APPEND link_libraries -pthread) + +# (BUG!!!) as PKG_CONFIG_PATH does not work [should be an env variable] +# --------------------------------------------------------------------- +set(INSTALL_PREFIX $ENV{HOME}/opt) +set(CMAKE_PREFIX_PATH ${CMAKE_INSTALL_PREFIX}/lib64/pkgconfig ${CMAKE_INSTALL_PREFIX}/lib/pkgconfig) +set(LD_LIBRARY_PATH ${CMAKE_INSTALL_PREFIX}/lib64 ${CMAKE_INSTALL_PREFIX}/lib) + +# Optional location for config.xml.in +# ----------------------------------- +set(WIDGET_CONFIG_TEMPLATE ${CMAKE_CURRENT_SOURCE_DIR}/conf.d/wgt/config.xml.in) + +# Mandatory widget Mimetype specification of the main unit +# -------------------------------------------------------------------------- +# Choose between : +#- text/html : HTML application, +# content.src designates the home page of the application +# +#- application/vnd.agl.native : AGL compatible native, +# content.src designates the relative path of the binary. +# +# - application/vnd.agl.service: AGL service, content.src is not used. +# +#- ***application/x-executable***: Native application, +# content.src designates the relative path of the binary. +# For such application, only security setup is made. +# +set(WIDGET_TYPE application/vnd.agl.service) + +# Mandatory Widget entry point file of the main unit +# -------------------------------------------------------------- +# This is the file that will be executed, loaded, +# at launch time by the application framework. +# +set(WIDGET_ENTRY_POINT lib/libafm-poi-binding.so) + +# Print a helper message when every thing is finished +# ---------------------------------------------------- +set(CLOSING_MESSAGE "Test with: afb-daemon --rootdir=\$\$(pwd)/package --binding=\$\$(pwd)/package/${WIDGET_ENTRY_POINT} --port=1234 --tracereq=common --token=\"1\" --verbose") +set(PACKAGE_MESSAGE "Install widget file using in the target : afm-util install ${PROJECT_NAME}.wgt") + +# Optional dependencies order +# --------------------------- +#set(EXTRA_DEPENDENCIES_ORDER) + +# Optional Extra global include path +# ----------------------------------- +#set(EXTRA_INCLUDE_DIRS) + +# Optional extra libraries +# ------------------------- +#set(EXTRA_LINK_LIBRARIES) + +# Optional force binding installation +# ------------------------------------ +# set(BINDINGS_INSTALL_PREFIX PrefixPath ) + +# Optional force binding Linking flag +# ------------------------------------ +# set(BINDINGS_LINK_FLAG LinkOptions ) + +# Optional force package prefix generation, like widget +# ----------------------------------------------------- +# set(PKG_PREFIX DestinationPath) + +# Optional Application Framework security token +# and port use for remote debugging. +#------------------------------------------------------------ +#set(AFB_TOKEN "" CACHE PATH "Default AFB_TOKEN") +#set(AFB_REMPORT "1234" CACHE PATH "Default AFB_TOKEN") + +# This include is mandatory and MUST happens at the end +# of this file, else you expose you to unexpected behavior +# +# This CMake module could be found at the following url: +# https://gerrit.automotivelinux.org/gerrit/#/admin/projects/src/cmake-apps-module +# ----------------------------------------------------------- +include(CMakeAfbTemplates) diff --git a/binding/conf.d/wgt/config.xml.in b/binding/conf.d/wgt/config.xml.in new file mode 100644 index 0000000..3d649cc --- /dev/null +++ b/binding/conf.d/wgt/config.xml.in @@ -0,0 +1,28 @@ + + + poi-binding + + + Demonstration POI Binding + Hiramatsu Shoichi <hiramatsu_sh@micware.co.jp> + MIT + + + + + + + + + + + + + + + + + + + + diff --git a/binding/src/CMakeLists.txt b/binding/src/CMakeLists.txt new file mode 100644 index 0000000..0ac597f --- /dev/null +++ b/binding/src/CMakeLists.txt @@ -0,0 +1,36 @@ +########################################################################### +# Copyright 2015, 2016, 2017 IoT.bzh +# +# author: Fulup Ar Foll +# contrib: Romain Forlot +# +# 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. +########################################################################### + +# Add target to project dependency list +PROJECT_TARGET_ADD(afm-poi-binding) + + # Define project Targets + add_library(afm-poi-binding MODULE binding-api.h binding-api.c verbs.cpp) + + # Binder exposes a unique public entry point + SET_TARGET_PROPERTIES(${TARGET_NAME} PROPERTIES + PREFIX "lib" + LABELS "BINDING" + LINK_FLAGS ${BINDINGS_LINK_FLAG} + OUTPUT_NAME ${TARGET_NAME} + ) + + # Library dependencies (include updates automatically) + TARGET_LINK_LIBRARIES(${TARGET_NAME} ${link_libraries}) + diff --git a/binding/src/binding-api.c b/binding/src/binding-api.c new file mode 100644 index 0000000..5221cda --- /dev/null +++ b/binding/src/binding-api.c @@ -0,0 +1,65 @@ +#ifndef _GNU_SOURCE +#define _GNU_SOURCE +#endif + +#include "binding-api.h" + +#include +#include + +const afb_verb_t verbs[] = { + { .verb = POIAPI_BINDING_VERB_SEND_REQUEST, .callback = send_request }, + { .verb = POIAPI_BINDING_VERB_REQUEST_PROCESSED, .callback = request_processed }, + { .verb = POIAPI_BINDING_VERB_SUBSCRIBE_REQUESTS, .callback = subscribe_requests }, + { .verb = POIAPI_BINDING_VERB_UNSUBSCRIBE_REQUESTS, .callback = unsubscribe_requests }, + { .verb = POIAPI_BINDING_VERB_SUBSCRIBE_RESPONSES, .callback = subscribe_responses }, + { .verb = POIAPI_BINDING_VERB_UNSUBSCRIBE_RESPONSES, .callback = unsubscribe_responses }, + { .verb = NULL } +}; + +afb_event_t gEventRequestReceived; +afb_event_t gEventResponseReceived; + +int init(afb_api_t api) +{ + gEventRequestReceived = afb_api_make_event(api, POIAPI_BINDING_EVENT_REQUEST_RECEIVED); + gEventResponseReceived = afb_api_make_event(api, POIAPI_BINDING_EVENT_RESPONSE_RECEIVED); + if (afb_event_is_valid(gEventRequestReceived) && afb_event_is_valid(gEventResponseReceived)) { + + json_object *args = json_object_new_object(); + // TODO Set Version + json_object *appid = json_object_new_string("poi-service@0.1"); + json_object_object_add(args, "id", appid); + + char *err; + char *info; + json_object *response; + + // Launch poiservice + afb_api_call_sync(api, "afm-main", "start", args, &response, &err, &info); + + if (err) { + AFB_API_ERROR(api, "ERROR %s", err); + free(err); + } + if (info) { + AFB_API_INFO(api, "INFO %s", info); + free(info); + } + + json_object_put(response); + + return 0; + } + else { + AFB_API_ERROR(api, "Can't create events"); + return -1; + } +} + +const afb_binding_t afbBindingExport = { + .api = POIAPI_BINDING_API_NAME, + .verbs = verbs, + .init = init, + .noconcurrency = 0 +}; diff --git a/binding/src/binding-api.h b/binding/src/binding-api.h new file mode 100644 index 0000000..e274f9a --- /dev/null +++ b/binding/src/binding-api.h @@ -0,0 +1,49 @@ +#pragma once + +#ifndef AFB_BINDING_VERSION +#define AFB_BINDING_VERSION 3 +#endif + +#ifdef __cplusplus +extern "C" { +#endif + +#include + +extern afb_event_t gEventRequestReceived; +extern afb_event_t gEventResponseReceived; + +// Verbs +extern void send_request(afb_req_t req); +extern void request_processed(afb_req_t req); +extern void subscribe_requests(afb_req_t req); +extern void unsubscribe_requests(afb_req_t req); +extern void subscribe_responses(afb_req_t req); +extern void unsubscribe_responses(afb_req_t req); + +#define POIAPI_BINDING_API_NAME "poi" + +#define POIAPI_BINDING_VERB_SEND_REQUEST "send-request" +#define POIAPI_BINDING_VERB_REQUEST_PROCESSED "request-processed" +#define POIAPI_BINDING_VERB_SUBSCRIBE_REQUESTS "subscribe-requests" +#define POIAPI_BINDING_VERB_UNSUBSCRIBE_REQUESTS "unsubscribe-requests" +#define POIAPI_BINDING_VERB_SUBSCRIBE_RESPONSES "subscribe-responses" +#define POIAPI_BINDING_VERB_UNSUBSCRIBE_RESPONSES "unsubscribe-responses" + +#define POIAPI_BINDING_EVENT_REQUEST_RECEIVED "reqest-received-event" +#define POIAPI_BINDING_EVENT_RESPONSE_RECEIVED "response-received-event" + +// Some definitions is not used in this project + +#define POIAPI_BINDING_PARAMETER_KEY_REQUEST_ID "request-id" +#define POIAPI_BINDING_PARAMETER_KEY_REQUEST_OBJECT "request-object" +#define POIAPI_BINDING_PARAMETER_KEY_RESPONSE_OBJECT "response-object" + +#define POIAPI_BINDING_REQUEST_OBJECT_KEY_REQUEST_TYPE "request-type" +#define POIAPI_BINDING_REQUEST_OBJECT_KEY_REQUEST_PARAMETER "request-parameter" + +#define POIAPI_BINDING_REQUEST_TYPE_EXTERNAL_ONLINE_REQUEST_HTTP_GET_JSON "external-online-request-http-get-json" + +#ifdef __cplusplus +} // extern "C" +#endif diff --git a/binding/src/verbs.cpp b/binding/src/verbs.cpp new file mode 100644 index 0000000..f71698a --- /dev/null +++ b/binding/src/verbs.cpp @@ -0,0 +1,172 @@ +#ifndef _GNU_SOURCE +#define _GNU_SOURCE +#endif + +#include "binding-api.h" + +#include +#include +#include +#include + +extern "C" { +// json-c/json.h +#include +} + +static std::mutex mut; +static int32_t gRequestId = 0; +static std::map gRequests; + +static inline bool pushRequest(json_object *reqJson) { + // Guard `gRequests' and `gRequestId' + std::lock_guard lock(mut); + + gRequestId++; + + json_object *reqToSvc = json_object_new_object(); + json_object_object_add(reqToSvc, POIAPI_BINDING_PARAMETER_KEY_REQUEST_ID, json_object_new_string(std::to_string(gRequestId).c_str())); + + // reqJson(1), reqToSvc(1) + // Associate `reqJson' to `reqToSvc' but the refcount of `reqJson' is not incremented + json_object_object_add(reqToSvc, POIAPI_BINDING_PARAMETER_KEY_REQUEST_OBJECT, reqJson); + + // reqJson(1->2->1), reqToSvc(1->2->1) + // Each refcount of `reqJson' or `reqToSvc' is decrement, and we increment the refcounts before the decrementations + int rc = afb_event_push(gEventRequestReceived, json_object_get(reqToSvc)); + if (rc == -1 || rc == 0) { // Discard the request if the event was not pushed or there are no subscriber + // reqJson(1->2), reqToSvc(1->1) + json_object_get(reqJson); + // reqJson(2->1), reqToSvc(1->0) + // Delete reqToSvc + json_object_put(reqToSvc); + return false; + } + + // reqJson(1->2), reqToSvc(1) + // Increment the refcount of `refJson' to preserve `reqToSvc'. + // The refcount of reqJson will be decremented in afb_req_success + json_object_get(reqJson); + gRequests.emplace(gRequestId, reqToSvc); + + return true; +} + +// Verb: request-processed +void send_request(afb_req_t req) +{ + json_object *reqJson = afb_req_json(req); + if (!pushRequest(reqJson)) { + AFB_REQ_ERROR(req, "Failed to push an event"); + // reqJson(1->0) + afb_req_fail(req, "error", "Failed to push an event"); + return; + } + + json_object *response = json_object_new_object(); + json_object_object_add(response, POIAPI_BINDING_PARAMETER_KEY_REQUEST_ID, json_object_new_string(std::to_string(gRequestId).c_str())); + + // `response' will be released + // The refcount of `reqJson' will be 1; `reqJson' belonges to a element of `gRequests' + afb_req_success(req, response, POIAPI_BINDING_VERB_SEND_REQUEST); +} + +// Verb: request-processed +void request_processed(afb_req_t req) +{ + json_object *resultJson = afb_req_json(req); + json_object *ridj; + json_object_object_get_ex(resultJson, POIAPI_BINDING_PARAMETER_KEY_REQUEST_ID, &ridj); + if (!json_object_is_type(ridj, json_type_string)) { + AFB_REQ_ERROR(req, "Received response was bad formatted: %s", json_object_to_json_string_ext(afb_req_json(req), JSON_C_TO_STRING_PRETTY)); + afb_req_fail(req, "error", "Received response was badly formatted"); + return; + } + + const char *rids = json_object_get_string(ridj); + uint32_t rid; + try { + rid = std::stoi(rids); + } + catch (const std::invalid_argument &e) { + AFB_REQ_ERROR(req, "Received response was bad formatted: %s", json_object_to_json_string_ext(afb_req_json(req), JSON_C_TO_STRING_PRETTY)); + afb_req_fail(req, "error", "Received response was badly formatted"); + return; + } + catch (const std::out_of_range &e) { + AFB_REQ_ERROR(req, "Received response was bad formatted: %s", json_object_to_json_string_ext(afb_req_json(req), JSON_C_TO_STRING_PRETTY)); + afb_req_fail(req, "error", "Received response was badly formatted"); + return; + } + + decltype(gRequests)::iterator it = gRequests.find(rid); + if (it == gRequests.end()) { + AFB_REQ_ERROR(req, "Received an invalid request id: %d", rid); + afb_req_fail_f(req, "error", "Received an invalid request id: %d %s", rid, rids); + return; + } + + // Preserve `resultJson' because afb_req_success use it + if (afb_event_push(gEventResponseReceived, json_object_get(resultJson)) == -1) { + AFB_REQ_ERROR(req, "Failed to push an event"); + afb_req_fail(req, "error", "Failed to push an event"); + return; + } + + afb_req_success(req, nullptr, nullptr); + + // Guard `gRequests' + std::lock_guard lock(mut); + + // Delete the processed request data + json_object *processedReq = it->second; + gRequests.erase(it); + int rc = json_object_put(processedReq); + if (rc != 1) { + AFB_REQ_ERROR(req, "bad-ref-count %d:%s", rc, POIAPI_BINDING_VERB_REQUEST_PROCESSED); + } +} + +// Verb: subscribe-requests +void subscribe_requests(afb_req_t req) +{ + if (afb_req_subscribe(req, gEventRequestReceived) == 0) { + afb_req_success(req, nullptr, nullptr); + } else { + AFB_REQ_ERROR(req, "Failed to %s", POIAPI_BINDING_VERB_SUBSCRIBE_REQUESTS); + afb_req_fail_f(req, "error", "Failed to %s", POIAPI_BINDING_VERB_SUBSCRIBE_REQUESTS); + } +} + +// Verb: unsubscribe-requests +void unsubscribe_requests(afb_req_t req) +{ + if (afb_req_unsubscribe(req, gEventRequestReceived) == 0) { + afb_req_success(req, nullptr, nullptr); + } else { + AFB_REQ_ERROR(req, "Failed to %s", POIAPI_BINDING_VERB_UNSUBSCRIBE_REQUESTS); + afb_req_fail_f(req, "error", "Failed to %s", POIAPI_BINDING_VERB_UNSUBSCRIBE_REQUESTS); + } +} + +// Verb: subscribe-responses +void subscribe_responses(afb_req_t req) +{ + if (afb_req_subscribe(req, gEventResponseReceived) == 0) { + afb_req_success(req, nullptr, nullptr); + } else { + AFB_REQ_ERROR(req, "Failed to %s", POIAPI_BINDING_VERB_SUBSCRIBE_RESPONSES); + afb_req_fail_f(req, "error", "Failed to %s", POIAPI_BINDING_VERB_SUBSCRIBE_RESPONSES); + } +} + +// Verb: unsubscribe-responses +void unsubscribe_responses(afb_req_t req) +{ + if (afb_req_unsubscribe(req, gEventResponseReceived) == 0) { + afb_req_success(req, nullptr, nullptr); + } else { + AFB_REQ_ERROR(req, "Failed to %s", POIAPI_BINDING_VERB_UNSUBSCRIBE_RESPONSES); + afb_req_fail_f(req, "error", "Failed to %s", POIAPI_BINDING_VERB_UNSUBSCRIBE_RESPONSES); + } +} -- cgit 1.2.3-korg