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  1. POBoost asio bind read handler
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    copied!<p>I am trying to bind a read handler, and boost asio is driving me crazy.</p> <p>I have the following class</p> <pre><code>class namenode_registration: public boost::enable_shared_from_this&lt;namenode_registration&gt;, private boost::noncopyable { private: [...] public: namenode_registration(....); [...] void handle_request_sent(const boost::system::error_code&amp; e); void handle_read_reply_type(boost::asio::mutable_buffers_1&amp; buffer, const boost::system::error_code&amp; e, std::size_t bytes_transferred); }; </code></pre> <p>With the following implementation :</p> <pre><code>void namenode_registration::handle_request_sent( const boost::system::error_code&amp; e) { if (!e) { boost::asio::async_read(socket_, boost::asio::buffer(buffer_data_, namenode::reply::type_size), boost::bind(&amp;namenode_registration::handle_read_reply_type, shared_from_this(), boost::asio::placeholders::error, boost::asio::placeholders::bytes_transferred)); } } </code></pre> <p>And I really can't understand why it does not compile : </p> <pre><code>In file included from /usr/include/boost/bind.hpp:22:0, from /home/.../datanode/namenode_registration.cpp:9: /usr/include/boost/bind/bind.hpp: In instantiation of ‘boost::_bi::result_traits&lt;boost::_bi::unspecified, void (datanode::namenode_registration::*)(boost::asio::mutable_buffers_1&amp;, const boost::system::error_code&amp;, long unsigned int)&gt;’: /usr/include/boost/bind/bind_template.hpp:15:48: instantiated from ‘boost::_bi::bind_t&lt;boost::_bi::unspecified, void (datanode::namenode_registration::* (boost::asio::mutable_buffers_1&amp;, const boost::system::error_code&amp;, long unsigned int), boost::_bi::list3&lt;boost::_bi::value&lt;boost::shared_ptr&lt;datanode::namenode_registration&gt; &gt;, boost::arg&lt;1&gt; (*)(), boost::arg&lt;2&gt; (*)()&gt; &gt;’ /home/.../datanode/namenode_registration.cpp:50:51: instantiated from here /usr/include/boost/bind/bind.hpp:69:37: erreur: ‘void (datanode::namenode_registration::*)(boost::asio::mutable_buffers_1&amp;, const boost::system::error_code&amp;, long unsigned int)’ is not a class, struct, or union type </code></pre>
 

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