brands
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brands
it seems client can only send message within a callback function like on_open(), because it requires "shared_ptr" from the on_open input parameter to make the "connection->send(send_stream);" action. But if in...
在扩展行情里面只有单个行情的查询api.get_instrument_quote(47, "IF1709")，有没有类似普通行情里面的api.get_security_quotes([(x, 'xxxxx'), (y, 'yyyyy')])这样可以一次查询多个quotes的？