mjsonrpc.h

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#ifndef MJSONRPC_H_
#define MJSONRPC_H_
 
#ifdef __cplusplus
extern "C" {
#endif
 
#include "cJSON.h"
#include <stdint.h>
 
#define JSON_RPC_CODE_PARSE_ERROR (-32700)
 
#define JSON_RPC_CODE_INVALID_REQUEST (-32600)
 
#define JSON_RPC_CODE_METHOD_NOT_FOUND (-32601)
 
#define JSON_RPC_CODE_INVALID_PARAMS (-32602)
 
#define JSON_RPC_CODE_INTERNAL_ERROR (-32603)
 
// -32000 to -32099 Reserved for implementation-defined server-errors.
 
enum mjrpc_error_return {
  MJRPC_RET_OK,
 
  MJRPC_RET_OK_NOTIFICATION,
 
  MJRPC_RET_ERROR_MEM_ALLOC_FAILED,
 
  MJRPC_RET_ERROR_NOT_FOUND,
 
  MJRPC_RET_ERROR_EMPTY_REQUEST,
 
  MJRPC_RET_ERROR_NOT_OBJ_ARY,
 
  MJRPC_RET_ERROR_PARSE_FAILED,
 
  MJRPC_RET_ERROR_HANDLE_NOT_INITIALIZED,
 
  MJRPC_RET_ERROR_INVALID_PARAM
};
 
typedef struct {
  void *data;
 
  int32_t error_code;
 
  char *error_message;
 
  int params_type;
} mjrpc_func_ctx_t;
 
typedef cJSON *(*mjrpc_func)(mjrpc_func_ctx_t *context, cJSON *params,
                             cJSON *id);
 
struct mjrpc_method {
  char *name;
 
  mjrpc_func func;
 
  void *arg;
 
  int state;
};
 
typedef struct mjrpc_handle {
  struct mjrpc_method *methods;
 
  size_t capacity;
 
  size_t size;
} mjrpc_handle_t;
 
typedef void *(*mjrpc_malloc_func)(size_t size);
 
typedef void (*mjrpc_free_func)(void *ptr);
 
typedef char *(*mjrpc_strdup_func)(const char *str);
 
int mjrpc_set_memory_hooks(mjrpc_malloc_func malloc_func,
                           mjrpc_free_func free_func,
                           mjrpc_strdup_func strdup_func);
 
char *mjrpc_request_str(const char *method, cJSON *params, cJSON *id);
 
cJSON *mjrpc_request_cjson(const char *method, cJSON *params, cJSON *id);
 
cJSON *mjrpc_response_ok(cJSON *result, cJSON *id);
 
cJSON *mjrpc_response_error(int code, const char *message, cJSON *id);
 
mjrpc_handle_t *mjrpc_create_handle(size_t initial_capacity);
 
int mjrpc_destroy_handle(mjrpc_handle_t *handle);
 
int mjrpc_add_method(mjrpc_handle_t *handle, mjrpc_func function_pointer,
                     const char *method_name, void *arg2func);
 
int mjrpc_del_method(mjrpc_handle_t *handle, const char *method_name);
 
size_t mjrpc_get_method_count(const mjrpc_handle_t *handle);
 
int mjrpc_enum_methods(const mjrpc_handle_t *handle,
                       void (*callback)(const char *method_name, void *arg,
                                        void *user_data),
                       void *user_data);
 
char *mjrpc_process_str(const mjrpc_handle_t *handle, const char *request_str,
                        int *ret_code);
 
cJSON *mjrpc_process_cjson(const mjrpc_handle_t *handle,
                           const cJSON *request_cjson, int *ret_code);
 
#ifdef __cplusplus
}
#endif
 
#endif // MJSONRPC_H_