native_abi.h

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#pragma once
 
#include <stddef.h>
#include <stdint.h>
 
#ifdef __cplusplus
extern "C" {
#endif
 
#define NEOGRAPH_PROGRAM_NATIVE_ABI_V1 UINT32_C(1)
 
#define NEOGRAPH_PROGRAM_NATIVE_INVOKE_ACCEPTED INT32_C(0)
#define NEOGRAPH_PROGRAM_NATIVE_INVOKE_REJECTED INT32_C(1)
 
#define NEOGRAPH_PROGRAM_NATIVE_COMPLETION_SUCCESS UINT32_C(1)
#define NEOGRAPH_PROGRAM_NATIVE_COMPLETION_FAILURE UINT32_C(2)
#define NEOGRAPH_PROGRAM_NATIVE_COMPLETION_CANCELLED UINT32_C(3)
 
typedef struct neograph_program_native_byte_span_v1 {
    const uint8_t* data;
    size_t         size;
} neograph_program_native_byte_span_v1;
 
typedef void (*neograph_program_native_release_v1)(void*          userdata,
                                                    const uint8_t* data,
                                                    size_t         size);
 
typedef struct neograph_program_native_owned_bytes_v1 {
    const uint8_t*                       data;
    size_t                               size;
    void*                                release_userdata;
    neograph_program_native_release_v1   release;
} neograph_program_native_owned_bytes_v1;
 
typedef struct neograph_program_native_cancellation_v1 {
    uint32_t abi_version;
    uint32_t struct_size;
    void*    userdata;
    int32_t (*is_cancel_requested)(void* userdata);
} neograph_program_native_cancellation_v1;
 
typedef struct neograph_program_native_invoke_request_v1 {
    uint32_t                                          abi_version;
    uint32_t                                          struct_size;
    uint64_t                                          invocation_id;
    neograph_program_native_byte_span_v1              input_json;
    const neograph_program_native_cancellation_v1*    cancellation;
} neograph_program_native_invoke_request_v1;
 
typedef struct neograph_program_native_result_v1 {
    uint32_t                                  abi_version;
    uint32_t                                  struct_size;
    uint32_t                                  status;
    neograph_program_native_owned_bytes_v1    payload_json;
} neograph_program_native_result_v1;
 
typedef void (*neograph_program_native_completion_v1)(
    void*                                           completion_userdata,
    const neograph_program_native_result_v1*       result);
 
typedef int32_t (*neograph_program_native_invoke_v1)(
    void*                                             userdata,
    const neograph_program_native_invoke_request_v1* request,
    neograph_program_native_completion_v1            completion,
    void*                                             completion_userdata);
 
typedef void (*neograph_program_native_cancel_v1)(void* userdata, uint64_t invocation_id);
 
typedef void (*neograph_program_native_destroy_v1)(void* userdata);
 
typedef struct neograph_program_native_binding_v1 {
    uint32_t                          abi_version;
    uint32_t                          struct_size;
    void*                             userdata;
    neograph_program_native_invoke_v1 invoke;
    neograph_program_native_cancel_v1 cancel;
    neograph_program_native_destroy_v1 destroy;
} neograph_program_native_binding_v1;
 
#ifdef __cplusplus
}  // extern "C"
#endif