/* 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 method, VALUE host,
VALUE deadline) {
VALUE res = Qnil;
grpc_rb_channel *wrapper = NULL;
grpc_channel *ch = NULL;
grpc_call *call = NULL;
char *method_chars = StringValueCStr(method);
char *host_chars = StringValueCStr(host);
Data_Get_Struct(self, grpc_rb_channel, wrapper);
ch = wrapper->wrapped;
if (ch == NULL) {
rb_raise(rb_eRuntimeError, "closed!");
}
call =
grpc_channel_create_call_old(ch, method_chars, host_chars,
grpc_rb_time_timeval(deadline,
/* absolute time */ 0));
if (call == NULL) {
rb_raise(rb_eRuntimeError, "cannot create call with method %s",
method_chars);
}
res = grpc_rb_wrap_call(call);
/* Make this channel an instance attribute of the call so that is is not GCed
* before the call. */
rb_ivar_set(res, id_channel, self);
return res;
}
/* call-seq:
cq = CompletionQueue.new
tag = Object.new
timeout = 10
server.request_call(cqueue, tag, timeout)
Requests notification of a new call on a server. */
static VALUE grpc_rb_server_request_call(VALUE self, VALUE cqueue,
VALUE tag_new, VALUE timeout) {
grpc_rb_server *s = NULL;
grpc_call *call = NULL;
grpc_event *ev = NULL;
grpc_call_error err;
request_call_stack st;
VALUE result;
Data_Get_Struct(self, grpc_rb_server, s);
if (s->wrapped == NULL) {
rb_raise(rb_eRuntimeError, "closed!");
return Qnil;
} else {
grpc_request_call_stack_init(&st);
/* call grpc_server_request_call, then wait for it to complete using
* pluck_event */
err = grpc_server_request_call(
s->wrapped, &call, &st.details, &st.md_ary,
grpc_rb_get_wrapped_completion_queue(cqueue),
ROBJECT(tag_new));
if (err != GRPC_CALL_OK) {
grpc_request_call_stack_cleanup(&st);
rb_raise(grpc_rb_eCallError,
"grpc_server_request_call failed: %s (code=%d)",
grpc_call_error_detail_of(err), err);
return Qnil;
}
ev = grpc_rb_completion_queue_pluck_event(cqueue, tag_new, timeout);
if (ev == NULL) {
grpc_request_call_stack_cleanup(&st);
return Qnil;
}
if (ev->data.op_complete != GRPC_OP_OK) {
grpc_request_call_stack_cleanup(&st);
grpc_event_finish(ev);
rb_raise(grpc_rb_eCallError, "request_call completion failed: (code=%d)",
ev->data.op_complete);
return Qnil;
}
/* build the NewServerRpc struct result */
result = rb_struct_new(
grpc_rb_sNewServerRpc,
rb_str_new2(st.details.method),
rb_str_new2(st.details.host),
rb_funcall(rb_cTime, id_at, 2, INT2NUM(st.details.deadline.tv_sec),
INT2NUM(st.details.deadline.tv_nsec)),
grpc_rb_md_ary_to_h(&st.md_ary),
grpc_rb_wrap_call(call),
NULL);
grpc_event_finish(ev);
grpc_request_call_stack_cleanup(&st);
return result;
}
return Qnil;
}
/* call-seq:
cq = CompletionQueue.new
tag = Object.new
timeout = 10
server.request_call(cqueue, tag, timeout)
Requests notification of a new call on a server. */
static VALUE grpc_rb_server_request_call(VALUE self, VALUE cqueue,
VALUE tag_new, VALUE timeout) {
grpc_rb_server *s = NULL;
grpc_call *call = NULL;
grpc_event ev;
grpc_call_error err;
request_call_stack st;
VALUE result;
gpr_timespec deadline;
TypedData_Get_Struct(self, grpc_rb_server, &grpc_rb_server_data_type, s);
if (s->wrapped == NULL) {
rb_raise(rb_eRuntimeError, "destroyed!");
return Qnil;
} else {
grpc_request_call_stack_init(&st);
/* call grpc_server_request_call, then wait for it to complete using
* pluck_event */
err = grpc_server_request_call(
s->wrapped, &call, &st.details, &st.md_ary,
grpc_rb_get_wrapped_completion_queue(cqueue),
grpc_rb_get_wrapped_completion_queue(cqueue),
ROBJECT(tag_new));
if (err != GRPC_CALL_OK) {
grpc_request_call_stack_cleanup(&st);
rb_raise(grpc_rb_eCallError,
"grpc_server_request_call failed: %s (code=%d)",
grpc_call_error_detail_of(err), err);
return Qnil;
}
ev = grpc_rb_completion_queue_pluck_event(cqueue, tag_new, timeout);
if (ev.type == GRPC_QUEUE_TIMEOUT) {
grpc_request_call_stack_cleanup(&st);
return Qnil;
}
if (!ev.success) {
grpc_request_call_stack_cleanup(&st);
rb_raise(grpc_rb_eCallError, "request_call completion failed");
return Qnil;
}
/* build the NewServerRpc struct result */
deadline = gpr_convert_clock_type(st.details.deadline, GPR_CLOCK_REALTIME);
result = rb_struct_new(
grpc_rb_sNewServerRpc, rb_str_new2(st.details.method),
rb_str_new2(st.details.host),
rb_funcall(rb_cTime, id_at, 2, INT2NUM(deadline.tv_sec),
INT2NUM(deadline.tv_nsec)),
grpc_rb_md_ary_to_h(&st.md_ary), grpc_rb_wrap_call(call), NULL);
grpc_request_call_stack_cleanup(&st);
return result;
}
return Qnil;
}
/* call-seq:
server.request_call
Requests notification of a new call on a server. */
static VALUE grpc_rb_server_request_call(VALUE self) {
grpc_rb_server *s = NULL;
grpc_call *call = NULL;
grpc_event ev;
grpc_call_error err;
request_call_stack st;
VALUE result;
void *tag = (void*)&st;
grpc_completion_queue *call_queue = grpc_completion_queue_create(NULL);
gpr_timespec deadline;
TypedData_Get_Struct(self, grpc_rb_server, &grpc_rb_server_data_type, s);
if (s->wrapped == NULL) {
rb_raise(rb_eRuntimeError, "destroyed!");
return Qnil;
}
grpc_request_call_stack_init(&st);
/* call grpc_server_request_call, then wait for it to complete using
* pluck_event */
err = grpc_server_request_call(
s->wrapped, &call, &st.details, &st.md_ary,
call_queue, s->queue, tag);
if (err != GRPC_CALL_OK) {
grpc_request_call_stack_cleanup(&st);
rb_raise(grpc_rb_eCallError,
"grpc_server_request_call failed: %s (code=%d)",
grpc_call_error_detail_of(err), err);
return Qnil;
}
ev = rb_completion_queue_pluck(s->queue, tag,
gpr_inf_future(GPR_CLOCK_REALTIME), NULL);
if (!ev.success) {
grpc_request_call_stack_cleanup(&st);
rb_raise(grpc_rb_eCallError, "request_call completion failed");
return Qnil;
}
/* build the NewServerRpc struct result */
deadline = gpr_convert_clock_type(st.details.deadline, GPR_CLOCK_REALTIME);
result = rb_struct_new(
grpc_rb_sNewServerRpc, grpc_rb_slice_to_ruby_string(st.details.method),
grpc_rb_slice_to_ruby_string(st.details.host),
rb_funcall(rb_cTime, id_at, 2, INT2NUM(deadline.tv_sec),
INT2NUM(deadline.tv_nsec / 1000)),
grpc_rb_md_ary_to_h(&st.md_ary), grpc_rb_wrap_call(call, call_queue),
NULL);
grpc_request_call_stack_cleanup(&st);
return result;
}
/* 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;
}