Back-end for new core API

1 files changed, 56 insertions, 16 deletions

diff --git a/src/core/surface/call.h b/src/core/surface/call.h
index 804b387cb1..936fb29f2e 100644
--- a/src/core/surface/call.h
+++ b/src/core/surface/call.h
@@ -38,27 +38,73 @@
 #include "src/core/channel/metadata_buffer.h"
 #include <grpc/grpc.h>
 
+/* Primitive operation types - grpc_op's get rewritten into these */
+typedef enum {
+  GRPC_IOREQ_RECV_INITIAL_METADATA,
+  GRPC_IOREQ_RECV_MESSAGE,
+  GRPC_IOREQ_RECV_TRAILING_METADATA,
+  GRPC_IOREQ_RECV_STATUS,
+  GRPC_IOREQ_RECV_CLOSE,
+  GRPC_IOREQ_SEND_INITIAL_METADATA,
+  GRPC_IOREQ_SEND_MESSAGE,
+  GRPC_IOREQ_SEND_TRAILING_METADATA,
+  GRPC_IOREQ_SEND_STATUS,
+  GRPC_IOREQ_SEND_CLOSE,
+  GRPC_IOREQ_OP_COUNT
+} grpc_ioreq_op;
+
+typedef struct {
+  grpc_status_code *code;
+  char **details;
+  size_t *details_capacity;
+} grpc_recv_status_args;
+
+typedef union {
+  grpc_metadata_array *recv_metadata;
+  grpc_byte_buffer **recv_message;
+  grpc_recv_status_args recv_status;
+  struct {
+    size_t count;
+    grpc_metadata *metadata;
+  } send_metadata;
+  grpc_byte_buffer *send_message;
+  struct {
+    grpc_status_code code;
+    char *details;
+  } send_status;
+} grpc_ioreq_data;
+
+typedef struct {
+  grpc_ioreq_op op;
+  grpc_ioreq_data data;
+} grpc_ioreq;
+
+typedef void (*grpc_ioreq_completion_func)(grpc_call *call,
+                                           grpc_op_error status,
+                                           void *user_data);
+
 grpc_call *grpc_call_create(grpc_channel *channel,
                             const void *server_transport_data);
 
 void grpc_call_internal_ref(grpc_call *call);
-void grpc_call_internal_unref(grpc_call *call);
+void grpc_call_internal_unref(grpc_call *call, int allow_immediate_deletion);
 
 /* Helpers for grpc_client, grpc_server filters to publish received data to
    the completion queue/surface layer */
 void grpc_call_recv_metadata(grpc_call_element *surface_element,
-                             grpc_call_op *op);
-void grpc_call_recv_message(
-    grpc_call_element *surface_element, grpc_byte_buffer *message,
-    void (*on_finish)(void *user_data, grpc_op_error error), void *user_data);
-void grpc_call_recv_finish(grpc_call_element *surface_element,
-                           int is_full_close);
+                             grpc_mdelem *md);
+void grpc_call_recv_message(grpc_call_element *surface_element,
+                            grpc_byte_buffer *message);
+void grpc_call_read_closed(grpc_call_element *surface_element);
+void grpc_call_stream_closed(grpc_call_element *surface_element);
 
 void grpc_call_execute_op(grpc_call *call, grpc_call_op *op);
+grpc_call_error grpc_call_start_ioreq_and_call_back(
+    grpc_call *call, const grpc_ioreq *reqs, size_t nreqs,
+    grpc_ioreq_completion_func on_complete, void *user_data);
 
-/* Called when it's known that the initial batch of metadata is complete on the
-   client side (must not be called on the server) */
-void grpc_call_client_initial_metadata_complete(
+/* Called when it's known that the initial batch of metadata is complete */
+void grpc_call_initial_metadata_complete(
     grpc_call_element *surface_element);
 
 void grpc_call_set_deadline(grpc_call_element *surface_element,
@@ -69,10 +115,4 @@ grpc_call_stack *grpc_call_get_call_stack(grpc_call *call);
 /* Given the top call_element, get the call object. */
 grpc_call *grpc_call_from_top_element(grpc_call_element *surface_element);
 
-/* Get the metadata buffer. */
-grpc_metadata_buffer *grpc_call_get_metadata_buffer(grpc_call *call);
-
-void grpc_call_add_mdelem(grpc_call *call, grpc_mdelem *mdelem,
-                          gpr_uint32 flags);
-
 #endif /* __GRPC_INTERNAL_SURFACE_CALL_H__ */