Cleanup: remove redundant extension code

1 files changed, 0 insertions, 201 deletions

diff --git a/src/ruby/ext/grpc/rb_byte_buffer.c b/src/ruby/ext/grpc/rb_byte_buffer.c
index 9fa6995ee9..e3a5277f54 100644
--- a/src/ruby/ext/grpc/rb_byte_buffer.c
+++ b/src/ruby/ext/grpc/rb_byte_buffer.c
@@ -65,204 +65,3 @@ VALUE grpc_rb_byte_buffer_to_s(grpc_byte_buffer *buffer) {
   }
   return rb_str_new(string, length);
 }
-
-/* grpc_rb_byte_buffer wraps a grpc_byte_buffer.  It provides a peer ruby
- * object, 'mark' to minimize copying when a byte_buffer is created from
- * ruby. */
-typedef struct grpc_rb_byte_buffer {
-  /* Holder of ruby objects involved in constructing the status */
-  VALUE mark;
-  /* The actual status */
-  grpc_byte_buffer *wrapped;
-} grpc_rb_byte_buffer;
-
-/* Destroys ByteBuffer instances. */
-static void grpc_rb_byte_buffer_free(void *p) {
-  grpc_rb_byte_buffer *bb = NULL;
-  if (p == NULL) {
-    return;
-  };
-  bb = (grpc_rb_byte_buffer *)p;
-
-  /* Deletes the wrapped object if the mark object is Qnil, which indicates
-   * that no other object is the actual owner. */
-  if (bb->wrapped != NULL && bb->mark == Qnil) {
-    grpc_byte_buffer_destroy(bb->wrapped);
-  }
-
-  xfree(p);
-}
-
-/* Protects the mark object from GC */
-static void grpc_rb_byte_buffer_mark(void *p) {
-  grpc_rb_byte_buffer *bb = NULL;
-  if (p == NULL) {
-    return;
-  }
-  bb = (grpc_rb_byte_buffer *)p;
-
-  /* If it's not already cleaned up, mark the mark object */
-  if (bb->mark != Qnil && BUILTIN_TYPE(bb->mark) != T_NONE) {
-    rb_gc_mark(bb->mark);
-  }
-}
-
-/* id_source is the name of the hidden ivar the preserves the original
- * byte_buffer source string */
-static ID id_source;
-
-/* Allocates ByteBuffer instances.
-
-   Provides safe default values for the byte_buffer fields. */
-static VALUE grpc_rb_byte_buffer_alloc(VALUE cls) {
-  grpc_rb_byte_buffer *wrapper = ALLOC(grpc_rb_byte_buffer);
-  wrapper->wrapped = NULL;
-  wrapper->mark = Qnil;
-  return Data_Wrap_Struct(cls, grpc_rb_byte_buffer_mark,
-                          grpc_rb_byte_buffer_free, wrapper);
-}
-
-/* Clones ByteBuffer instances.
-
-   Gives ByteBuffer a consistent implementation of Ruby's object copy/dup
-   protocol. */
-static VALUE grpc_rb_byte_buffer_init_copy(VALUE copy, VALUE orig) {
-  grpc_rb_byte_buffer *orig_bb = NULL;
-  grpc_rb_byte_buffer *copy_bb = NULL;
-
-  if (copy == orig) {
-    return copy;
-  }
-
-  /* Raise an error if orig is not a metadata object or a subclass. */
-  if (TYPE(orig) != T_DATA ||
-      RDATA(orig)->dfree != (RUBY_DATA_FUNC)grpc_rb_byte_buffer_free) {
-    rb_raise(rb_eTypeError, "not a %s", rb_obj_classname(rb_cByteBuffer));
-  }
-
-  Data_Get_Struct(orig, grpc_rb_byte_buffer, orig_bb);
-  Data_Get_Struct(copy, grpc_rb_byte_buffer, copy_bb);
-
-  /* use ruby's MEMCPY to make a byte-for-byte copy of the metadata wrapper
-   * object. */
-  MEMCPY(copy_bb, orig_bb, grpc_rb_byte_buffer, 1);
-  return copy;
-}
-
-/* id_empty is used to return the empty string from to_s when necessary. */
-static ID id_empty;
-
-static VALUE grpc_rb_byte_buffer_to_s_obj(VALUE self) {
-  grpc_rb_byte_buffer *wrapper = NULL;
-  grpc_byte_buffer *bb = NULL;
-  grpc_byte_buffer_reader *reader = NULL;
-  char *output = NULL;
-  size_t length = 0;
-  size_t offset = 0;
-  VALUE output_obj = Qnil;
-  gpr_slice next;
-
-  Data_Get_Struct(self, grpc_rb_byte_buffer, wrapper);
-  output_obj = rb_ivar_get(wrapper->mark, id_source);
-  if (output_obj != Qnil) {
-    /* From ruby, ByteBuffers are immutable so if a source is set, return that
-     * as the to_s value */
-    return output_obj;
-  }
-
-  /* Read the bytes. */
-  bb = wrapper->wrapped;
-  if (bb == NULL) {
-    return rb_id2str(id_empty);
-  }
-  length = grpc_byte_buffer_length(bb);
-  if (length == 0) {
-    return rb_id2str(id_empty);
-  }
-  reader = grpc_byte_buffer_reader_create(bb);
-  output = xmalloc(length);
-  while (grpc_byte_buffer_reader_next(reader, &next) != 0) {
-    memcpy(output + offset, GPR_SLICE_START_PTR(next), GPR_SLICE_LENGTH(next));
-    offset += GPR_SLICE_LENGTH(next);
-  }
-  output_obj = rb_str_new(output, length);
-
-  /* Save a references to the computed string in the mark object so that the
-   * calling to_s does not do any allocations. */
-  wrapper->mark = rb_class_new_instance(0, NULL, rb_cObject);
-  rb_ivar_set(wrapper->mark, id_source, output_obj);
-
-  return output_obj;
-}
-
-/* Initializes ByteBuffer instances. */
-static VALUE grpc_rb_byte_buffer_init(VALUE self, VALUE src) {
-  gpr_slice a_slice;
-  grpc_rb_byte_buffer *wrapper = NULL;
-  grpc_byte_buffer *byte_buffer = NULL;
-
-  if (TYPE(src) != T_STRING) {
-    rb_raise(rb_eTypeError, "bad byte_buffer arg: got <%s>, want <String>",
-             rb_obj_classname(src));
-    return Qnil;
-  }
-  Data_Get_Struct(self, grpc_rb_byte_buffer, wrapper);
-  a_slice = gpr_slice_malloc(RSTRING_LEN(src));
-  memcpy(GPR_SLICE_START_PTR(a_slice), RSTRING_PTR(src), RSTRING_LEN(src));
-  byte_buffer = grpc_byte_buffer_create(&a_slice, 1);
-  gpr_slice_unref(a_slice);
-
-  if (byte_buffer == NULL) {
-    rb_raise(rb_eArgError, "could not create a byte_buffer, not sure why");
-    return Qnil;
-  }
-  wrapper->wrapped = byte_buffer;
-
-  /* Save a references to the original string in the mark object so that the
-   * pointers used there is valid for the lifetime of the object. */
-  wrapper->mark = rb_class_new_instance(0, NULL, rb_cObject);
-  rb_ivar_set(wrapper->mark, id_source, src);
-
-  return self;
-}
-
-/* rb_cByteBuffer is the ruby class that proxies grpc_byte_buffer. */
-VALUE rb_cByteBuffer = Qnil;
-
-void Init_grpc_byte_buffer() {
-  rb_cByteBuffer =
-      rb_define_class_under(rb_mGrpcCore, "ByteBuffer", rb_cObject);
-
-  /* Allocates an object managed by the ruby runtime */
-  rb_define_alloc_func(rb_cByteBuffer, grpc_rb_byte_buffer_alloc);
-
-  /* Provides a ruby constructor and support for dup/clone. */
-  rb_define_method(rb_cByteBuffer, "initialize", grpc_rb_byte_buffer_init, 1);
-  rb_define_method(rb_cByteBuffer, "initialize_copy",
-                   grpc_rb_byte_buffer_init_copy, 1);
-
-  /* Provides a to_s method that returns the buffer value */
-  rb_define_method(rb_cByteBuffer, "to_s", grpc_rb_byte_buffer_to_s_obj, 0);
-
-  id_source = rb_intern("__source");
-  id_empty = rb_intern("");
-}
-
-VALUE grpc_rb_byte_buffer_create_with_mark(VALUE mark, grpc_byte_buffer *bb) {
-  grpc_rb_byte_buffer *byte_buffer = NULL;
-  if (bb == NULL) {
-    return Qnil;
-  }
-  byte_buffer = ALLOC(grpc_rb_byte_buffer);
-  byte_buffer->wrapped = bb;
-  byte_buffer->mark = mark;
-  return Data_Wrap_Struct(rb_cByteBuffer, grpc_rb_byte_buffer_mark,
-                          grpc_rb_byte_buffer_free, byte_buffer);
-}
-
-/* Gets the wrapped byte_buffer from the ruby wrapper */
-grpc_byte_buffer *grpc_rb_get_wrapped_byte_buffer(VALUE v) {
-  grpc_rb_byte_buffer *wrapper = NULL;
-  Data_Get_Struct(v, grpc_rb_byte_buffer, wrapper);
-  return wrapper->wrapped;
-}