/* Create a call given a grpc_channel, in order to call method. The request
is not sent until grpc_call_invoke is called. */
static VALUE grpc_rb_channel_create_call(VALUE self, VALUE parent, VALUE mask,
VALUE method, VALUE host,
VALUE deadline) {
VALUE res = Qnil;
grpc_rb_channel *wrapper = NULL;
grpc_call *call = NULL;
grpc_call *parent_call = NULL;
grpc_completion_queue *cq = NULL;
int flags = GRPC_PROPAGATE_DEFAULTS;
grpc_slice method_slice;
grpc_slice host_slice;
grpc_slice *host_slice_ptr = NULL;
char *tmp_str = NULL;
if (host != Qnil) {
host_slice =
grpc_slice_from_copied_buffer(RSTRING_PTR(host), RSTRING_LEN(host));
host_slice_ptr = &host_slice;
}
if (mask != Qnil) {
flags = NUM2UINT(mask);
}
if (parent != Qnil) {
parent_call = grpc_rb_get_wrapped_call(parent);
}
cq = grpc_completion_queue_create_for_pluck(NULL);
TypedData_Get_Struct(self, grpc_rb_channel, &grpc_channel_data_type, wrapper);
if (wrapper->bg_wrapped == NULL) {
rb_raise(rb_eRuntimeError, "closed!");
return Qnil;
}
method_slice =
grpc_slice_from_copied_buffer(RSTRING_PTR(method), RSTRING_LEN(method));
call = grpc_channel_create_call(wrapper->bg_wrapped->channel, parent_call,
flags, cq, method_slice, host_slice_ptr,
grpc_rb_time_timeval(deadline,
/* absolute time */ 0),
NULL);
if (call == NULL) {
tmp_str = grpc_slice_to_c_string(method_slice);
rb_raise(rb_eRuntimeError, "cannot create call with method %s", tmp_str);
return Qnil;
}
grpc_slice_unref(method_slice);
if (host_slice_ptr != NULL) {
grpc_slice_unref(host_slice);
}
res = grpc_rb_wrap_call(call, cq);
/* Make this channel an instance attribute of the call so that it is not GCed
* before the call. */
rb_ivar_set(res, id_channel, self);
return res;
}
/* Create a call given a grpc_channel, in order to call method. The request
is not sent until grpc_call_invoke is called. */
static VALUE grpc_rb_channel_create_call(VALUE self, VALUE cqueue,
VALUE parent, VALUE mask,
VALUE method, VALUE host,
VALUE deadline) {
VALUE res = Qnil;
grpc_rb_channel *wrapper = NULL;
grpc_call *call = NULL;
grpc_call *parent_call = NULL;
grpc_channel *ch = NULL;
grpc_completion_queue *cq = NULL;
int flags = GRPC_PROPAGATE_DEFAULTS;
char *method_chars = StringValueCStr(method);
char *host_chars = NULL;
if (host != Qnil) {
host_chars = StringValueCStr(host);
}
if (mask != Qnil) {
flags = NUM2UINT(mask);
}
if (parent != Qnil) {
parent_call = grpc_rb_get_wrapped_call(parent);
}
cq = grpc_rb_get_wrapped_completion_queue(cqueue);
TypedData_Get_Struct(self, grpc_rb_channel, &grpc_channel_data_type, wrapper);
ch = wrapper->wrapped;
if (ch == NULL) {
rb_raise(rb_eRuntimeError, "closed!");
return Qnil;
}
call = grpc_channel_create_call(ch, parent_call, flags, cq, method_chars,
host_chars, grpc_rb_time_timeval(
deadline,
/* absolute time */ 0), NULL);
if (call == NULL) {
rb_raise(rb_eRuntimeError, "cannot create call with method %s",
method_chars);
return Qnil;
}
res = grpc_rb_wrap_call(call);
/* Make this channel an instance attribute of the call so that it is not GCed
* before the call. */
rb_ivar_set(res, id_channel, self);
/* Make the completion queue an instance attribute of the call so that it is
* not GCed before the call. */
rb_ivar_set(res, id_cqueue, cqueue);
return res;
}
