gRPC-haskell/core/include/grpc_haskell.h
2018-07-27 10:41:18 -05:00

208 lines
7.4 KiB
C

#ifndef GRPC_HASKELL
#define GRPC_HASKELL
#include <grpc/grpc.h>
#include <grpc/grpc_security.h>
#include <grpc/impl/codegen/slice.h>
#include <grpc/support/time.h>
#include <grpc/byte_buffer.h>
#include <grpc/byte_buffer_reader.h>
grpc_event *grpc_completion_queue_next_(grpc_completion_queue *cq,
gpr_timespec *deadline,
void *reserved);
grpc_event *grpc_completion_queue_pluck_(grpc_completion_queue *cq, void *tag,
gpr_timespec *deadline,
void *reserved);
grpc_call *grpc_channel_create_call_(grpc_channel *channel,
grpc_call *parent_call,
uint32_t propagation_mask,
grpc_completion_queue *completion_queue,
const char *method, const char *host,
gpr_timespec *deadline, void *reserved);
grpc_slice* grpc_slice_malloc_(size_t len);
size_t grpc_slice_length_(grpc_slice *slice);
uint8_t *grpc_slice_start_(grpc_slice *slice);
grpc_slice* grpc_slice_from_copied_string_(const char* source);
grpc_slice* grpc_slice_from_copied_buffer_(const char *source, size_t len);
void free_slice(grpc_slice *slice);
grpc_byte_buffer **create_receiving_byte_buffer();
void destroy_receiving_byte_buffer(grpc_byte_buffer **bb);
grpc_byte_buffer_reader *byte_buffer_reader_create(grpc_byte_buffer *buffer);
void byte_buffer_reader_destroy(grpc_byte_buffer_reader *reader);
grpc_slice* grpc_byte_buffer_reader_readall_(grpc_byte_buffer_reader *reader);
void timespec_destroy(gpr_timespec* t);
gpr_timespec* gpr_inf_future_(gpr_clock_type t);
gpr_timespec* gpr_now_(gpr_clock_type t);
int32_t gpr_time_to_millis_(gpr_timespec* t);
gpr_timespec* seconds_to_deadline(int64_t seconds);
gpr_timespec* millis_to_deadline(int64_t millis);
gpr_timespec* infinite_deadline();
gpr_timespec* convert_clock_type(gpr_timespec *t, gpr_clock_type to);
grpc_metadata_array** metadata_array_create();
void metadata_array_destroy(grpc_metadata_array **arr);
grpc_metadata* metadata_alloc(size_t n);
void metadata_free(grpc_metadata* m);
void set_metadata_key_val(char *key, char *val, size_t val_len,
grpc_metadata *arr, size_t i);
grpc_slice* get_metadata_key(grpc_metadata *arr, size_t i);
grpc_slice* get_metadata_val(grpc_metadata *arr, size_t i);
grpc_op* op_array_create(size_t n);
void op_array_destroy(grpc_op* op_array, size_t n);
void op_send_initial_metadata(grpc_op *op_array, size_t i,
grpc_metadata *arr, size_t n_metadata);
void op_send_initial_metadata_empty(grpc_op *op_array, size_t i);
void op_send_message(grpc_op *op_array, size_t i,
grpc_byte_buffer *payload);
void op_send_close_client(grpc_op *op_array, size_t i);
void op_recv_initial_metadata(grpc_op *op_array, size_t i,
grpc_metadata_array** arr);
void op_recv_message(grpc_op *op_array, size_t i,
grpc_byte_buffer **payload_recv);
void op_recv_status_client(grpc_op *op_array, size_t i,
grpc_metadata_array** arr,
grpc_status_code* status,
grpc_slice* details);
void op_recv_close_server(grpc_op *op_array, size_t i, int *was_cancelled);
void op_send_status_server(grpc_op *op_array, size_t i,
size_t metadata_count, grpc_metadata* m,
grpc_status_code status, grpc_slice *details);
grpc_status_code* create_status_code_ptr();
grpc_status_code deref_status_code_ptr(grpc_status_code* p);
void destroy_status_code_ptr(grpc_status_code* p);
grpc_call_details* create_call_details();
void destroy_call_details(grpc_call_details* cd);
void grpc_channel_watch_connectivity_state_(grpc_channel *channel,
grpc_connectivity_state
last_observed_state,
gpr_timespec* deadline,
grpc_completion_queue *cq,
void *tag);
grpc_metadata* metadata_array_get_metadata(grpc_metadata_array* arr);
void metadata_array_set_metadata(grpc_metadata_array* arr, grpc_metadata* meta);
size_t metadata_array_get_count(grpc_metadata_array* arr);
size_t metadata_array_get_capacity(grpc_metadata_array* arr);
grpc_call* grpc_channel_create_registered_call_(
grpc_channel *channel, grpc_call *parent_call, uint32_t propagation_mask,
grpc_completion_queue *completion_queue, void *registered_call_handle,
gpr_timespec *deadline, void *reserved);
grpc_slice* call_details_get_method(grpc_call_details* details);
grpc_slice* call_details_get_host(grpc_call_details* details);
gpr_timespec* call_details_get_deadline(grpc_call_details* details);
void* grpc_server_register_method_(
grpc_server* server, const char* method, const char* host,
grpc_server_register_method_payload_handling payload_handling);
//c2hs doesn't support #const pragmas referring to #define'd strings, so we use
//this enum as a workaround. These are converted into actual GRPC #defines in
// translate_arg_key in grpc_haskell.c.
enum supported_arg_key {
compression_algorithm_key = 0,
compression_level_key,
user_agent_prefix_key,
user_agent_suffix_key,
max_receive_message_length_key,
max_metadata_size_key,
};
grpc_arg* create_arg_array(size_t n);
void create_string_arg(grpc_arg* args, size_t i,
enum supported_arg_key key, char* value);
void create_int_arg(grpc_arg* args, size_t i,
enum supported_arg_key key, int value);
void destroy_arg_array(grpc_arg* args, size_t n);
grpc_auth_property_iterator* grpc_auth_context_property_iterator_(
const grpc_auth_context* ctx);
grpc_server_credentials* ssl_server_credentials_create_internal(
const char* pem_root_certs, const char* pem_key, const char* pem_cert,
grpc_ssl_client_certificate_request_type force_client_auth);
grpc_channel_credentials* grpc_ssl_credentials_create_internal(
const char* pem_root_certs, const char* pem_key, const char* pem_cert);
void grpc_server_credentials_set_auth_metadata_processor_(
grpc_server_credentials* creds, grpc_auth_metadata_processor* p);
//packs a Haskell server-side auth processor function pointer into the
//appropriate struct expected by gRPC.
grpc_auth_metadata_processor* mk_auth_metadata_processor(
void (*process)(void *state, grpc_auth_context *context,
const grpc_metadata *md, size_t num_md,
grpc_process_auth_metadata_done_cb cb, void *user_data));
grpc_call_credentials* grpc_metadata_credentials_create_from_plugin_(
grpc_metadata_credentials_plugin* plugin);
//type of the callback used to create auth metadata on the client
typedef void (*get_metadata)
(void *state, grpc_auth_metadata_context context,
grpc_credentials_plugin_metadata_cb cb, void *user_data);
//type of the Haskell callback that we use to create auth metadata on the client
typedef void haskell_get_metadata(grpc_auth_metadata_context*,
grpc_credentials_plugin_metadata_cb,
void*);
grpc_metadata_credentials_plugin* mk_metadata_client_plugin(
haskell_get_metadata* f);
#endif //GRPC_HASKELL