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Diffstat (limited to 'src/framework/include/nsfw_init.h')
| -rw-r--r-- | src/framework/include/nsfw_init.h | 148 |
1 files changed, 148 insertions, 0 deletions
diff --git a/src/framework/include/nsfw_init.h b/src/framework/include/nsfw_init.h new file mode 100644 index 0000000..def97b2 --- /dev/null +++ b/src/framework/include/nsfw_init.h @@ -0,0 +1,148 @@ +/* +* +* Copyright (c) 2018 Huawei Technologies Co.,Ltd. +* 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 _FW_INIT_H +#define _FW_INIT_H + +#ifdef __cplusplus +/* *INDENT-OFF* */ +extern "C"{ +/* *INDENT-ON* */ +#endif /* __cplusplus */ + +#define NSFW_INIT_PRIORITY_ROOT 101 +#define NSFW_INIT_PRIORITY_BASE 102 +#define NSFW_INIT_PRIORITY_INITFN 103 + +#define NSFW_INIT_MODULE_PRIORITY_BASE 1 +#define NSFW_INIT_MODULE_PRIORITY(x) (NSFW_INIT_MODULE_PRIORITY_BASE + x) + +#define NSFW_SET_INSTANCE_VALUE(_attr, _inst, _value) \ + nsfw_module_set_instance_##_attr(_inst, _value) + +#define NSFW_INIT_CRAETE_LOCAL_INSTANCE() \ + if (!nsfwLocalInitInst) {\ + nsfwLocalInitInst = nsfw_module_create_instance(); \ + nsfw_module_add_instance(nsfwLocalInitInst);\ + } + +#define _NSFW_MODULE_ATTRIBUTE_DEFINE_SURFIX(_attr, _value, _priority, _surfix) \ + static __attribute__((__constructor__(_priority))) void nsfw_module_attribute_##_attr##_surfix(void){\ + NSFW_INIT_CRAETE_LOCAL_INSTANCE(); \ + NSFW_SET_INSTANCE_VALUE(_attr, nsfwLocalInitInst, _value);\ + } \ + +#define NSFW_MODULE_ATTRIBUTE_DEFINE_SURFIX(_attr, _value, _priority, _surfix) \ + _NSFW_MODULE_ATTRIBUTE_DEFINE_SURFIX(_attr, _value, _priority, _surfix) + +#define NSFW_MODULE_ATTRIBUTE_DEFINE_UNIQUE(_attr, _value, _priority) \ + NSFW_MODULE_ATTRIBUTE_DEFINE_SURFIX(_attr, _value, _priority, __LINE__) + +#define NSFW_MODULE_ATTRIBUTE_DEFINE(_attr, _value, _priority) \ + NSFW_MODULE_ATTRIBUTE_DEFINE_UNIQUE(_attr, _value, _priority) + +#define NSFW_MODULE_NAME(_name) \ + NSFW_MODULE_ATTRIBUTE_DEFINE(name, _name, NSFW_INIT_PRIORITY_BASE) + +#define NSFW_MODULE_FATHER(_father) \ + NSFW_MODULE_ATTRIBUTE_DEFINE(father, _father, NSFW_INIT_PRIORITY_BASE) + +#define NSFW_MODULE_PRIORITY(_priority) \ + NSFW_MODULE_ATTRIBUTE_DEFINE(priority, _priority, NSFW_INIT_PRIORITY_BASE) + +#define NSFW_MODULE_DEPENDS(_depends) \ + NSFW_MODULE_ATTRIBUTE_DEFINE(depends, _depends, NSFW_INIT_PRIORITY_BASE) + +#define NSFW_MODULE_INIT(_initfn) \ + NSFW_MODULE_ATTRIBUTE_DEFINE(initfn, _initfn, NSFW_INIT_PRIORITY_INITFN) + +#define NSFW_MAX_STRING_LENGTH 128 + +#define NSFW_DEPENDS_SIZE 8 +typedef struct _nsfw_module_depends +{ + char name[NSFW_MAX_STRING_LENGTH]; + int isReady; + struct _nsfw_module_depends *next; /* It is a list, not just only one */ +} nsfw_module_depends_t; + +typedef enum +{ + NSFW_INST_STAT_CHECKING, /* Not check yet */ + NSFW_INST_STAT_DEPENDING, /* Blocked, waiting for other module instances */ + NSFW_INST_STAT_DONE, /* Check done */ + NSFW_INST_STAT_FAIL /* Check Fail */ +} nsfw_module_instance_stat_t; + +typedef int (*nsfw_module_init_fn) (void *); + +typedef struct _nsfw_module_instance +{ + nsfw_module_init_fn fnInit; + char name[NSFW_MAX_STRING_LENGTH]; + char fatherName[NSFW_MAX_STRING_LENGTH]; + int priority; + nsfw_module_depends_t *depends; + nsfw_module_instance_stat_t stat; + void *param; + struct _nsfw_module_instance *next; + struct _nsfw_module_instance *child; + struct _nsfw_module_instance *father; +} nsfw_module_instance_t; + +static nsfw_module_instance_t *nsfwLocalInitInst __attribute__ ((unused)) = + (void *) 0; + +extern nsfw_module_instance_t *nsfw_module_create_instance (); +extern nsfw_module_instance_t *nsfw_module_getModuleByName (char *); +extern void nsfw_module_add_instance (nsfw_module_instance_t * inst); +extern void nsfw_module_del_instance (nsfw_module_instance_t * inst); +extern void nsfw_module_set_instance_name (nsfw_module_instance_t * inst, + char *name); +extern void nsfw_module_set_instance_father (nsfw_module_instance_t * inst, + char *father); +extern void nsfw_module_set_instance_priority (nsfw_module_instance_t * + inst, int priority); +extern void nsfw_module_set_instance_initfn (nsfw_module_instance_t * inst, + nsfw_module_init_fn fn); +extern void nsfw_module_set_instance_depends (nsfw_module_instance_t * inst, + char *name); + +/** + * @Function nstack_framework_init + * @Description This function will do framework initial work, it will involk all initial functions + * registed using macro NSFW_MODULE_INIT before + * @param none + * @return 0 on success, -1 on error + */ +extern int nstack_framework_init (void); + +/** + * @Function nstack_framework_setModuleParam + * @Description This function set parameter of module initial function parameter + * @param module - name of module + * @param param - parameter to set + * @return 0 on success, -1 on error + */ +extern int nstack_framework_setModuleParam (char *module, void *param); + +#ifdef __cplusplus +/* *INDENT-OFF* */ +} +/* *INDENT-ON* */ +#endif /* __cplusplus */ + +#endif /* _FW_INIT_H */ |