static VALUE method_exists(VALUE self, VALUE reqid, VALUE path, VALUE async, VALUE watch) { STANDARD_PREAMBLE(self, zk, reqid, path, async, watch, data_ctx, watch_ctx, call_type); struct Stat stat; int rc; switch (call_type) { case SYNC: rc = zkrb_call_zoo_exists(zk->zh, RSTRING_PTR(path), 0, &stat); break; case SYNC_WATCH: rc = zkrb_call_zoo_wexists(zk->zh, RSTRING_PTR(path), zkrb_state_callback, watch_ctx, &stat); break; case ASYNC: rc = zkrb_call_zoo_aexists(zk->zh, RSTRING_PTR(path), 0, zkrb_stat_callback, data_ctx); break; case ASYNC_WATCH: rc = zkrb_call_zoo_awexists(zk->zh, RSTRING_PTR(path), zkrb_state_callback, watch_ctx, zkrb_stat_callback, data_ctx); break; } VALUE output = rb_ary_new(); rb_ary_push(output, INT2FIX(rc)); if (IS_SYNC(call_type) && rc == ZOK) { rb_ary_push(output, zkrb_stat_to_rarray(&stat)); } return output; }
static VALUE method_exists(VALUE self, VALUE reqid, VALUE path, VALUE async, VALUE watch) { STANDARD_PREAMBLE(self, zk, reqid, path, async, watch, call_type); VALUE output = Qnil; struct Stat stat; int rc; switch (call_type) { #ifdef THREADED case SYNC: rc = zkrb_call_zoo_exists(zk->zh, RSTRING_PTR(path), 0, &stat); break; case SYNC_WATCH: rc = zkrb_call_zoo_wexists(zk->zh, RSTRING_PTR(path), zkrb_state_callback, CTX_ALLOC(zk, reqid), &stat); break; #endif case ASYNC: rc = zkrb_call_zoo_aexists(zk->zh, RSTRING_PTR(path), 0, zkrb_stat_callback, CTX_ALLOC(zk, reqid)); break; case ASYNC_WATCH: rc = zkrb_call_zoo_awexists(zk->zh, RSTRING_PTR(path), zkrb_state_callback, CTX_ALLOC(zk, reqid), zkrb_stat_callback, CTX_ALLOC(zk, reqid)); break; default: raise_invalid_call_type_err(call_type); break; } output = rb_ary_new(); rb_ary_push(output, INT2FIX(rc)); if (IS_SYNC(call_type) && rc == ZOK) { rb_ary_push(output, zkrb_stat_to_rarray(&stat)); } return output; }