Re: [Boost-users] [asio] Assertion failed at run time

From: Sunsawe (sunsawe_at_[hidden])
Date: 2007-06-21 02:37:51

Well...
To know where this thing was coming from, i just started to comment out each
line of code and tested what was happenning.
I finally commented out all the code and the error was still there. Then
figured out that the error is appearing as soon as my code includes:

#include <boost/asio/ssl.hpp>

I moved it in different .h files and the effect was the same evenif i am not
using no more anything with ssl.

Does it help someone to explain?

Thanks

Sunsawe wrote:
> 
> Hi,I'm new to boost and asio. I'm trying to use the ssl support of asio in
> a simple client.This is the code that i'm using to connect to the server:   
> boost::asio::io_service io_service;    boost::asio::ssl::context * ctx;          
> boost::asio::ssl::stream<boost::asio::ip::tcp::socket> * socket;   
> boost::asio::error Error;    boost::asio::ip::tcp::resolver
> resolver(io_service);     boost::asio::ip::tcp::resolver::query
> query(boost::asio::ip::tcp::v4(),hostname,port );   
> boost::asio::ip::tcp::resolver::iterator endpoint_iterator =
> resolver.resolve(query,boost::asio::assign_error(Error));   
> boost::asio::ip::tcp::resolver::iterator end;       if(Error)       
> return false;        ctx = new boost::asio::ssl::context(io_service,
> boost::asio::ssl::context::sslv23);        boost::asio::ip::tcp::endpoint
> endpoint = *endpoint_iterator;        socket = new
> boost::asio::ssl::stream<boost::asio::ip::tcp::socket>(io_service,*ctx);       
> Error = boost::asio::error::host_not_found;                while (Error &&
> endpoint_iterator != end)        {         
> socket->lowest_layer().close();         
> socket->lowest_layer().connect(endpoint,boost::asio::assign_error(Error));       
> }        if (Error)            return false;       
> socket->handshake(boost::asio::ssl::stream_base::client,boost::asio::assign_error(Error));   
> if (Error)      return false;    else        return true;That compiles
> fine but at run time i have this assertion exception:Assertion
> failed!Program:... //it is written like thatFile:
> (PATH)\boost-1_33_1\...\shared_ptr.hLine: 253Expression: px != 0I'm using
> vs2005. i can't see what is happening because evenif i'm using the "Step
> Into new Instance" mode to run the program in debug mode, the exception is
> fired before any step. This is the call stack: msvcr80d.dll!_wassert(const
> wchar_t * expr=0x0093888c, const wchar_t * filename=0x009388a0, unsigned
> int lineno=253)  Line 384    C
> CTest.exe!boost::shared_ptr<boost::asio::ssl::detail::openssl_init<1>::do_init>::operator->() 
> Line 253 + 0x1f bytes    C++
> CTest.exe!boost::asio::ssl::detail::openssl_init<1>::do_init::openssl_locking_func(int
> mode=5, int n=16, const char * file=0x009401dc, int line=271)  Line 83 +
> 0x37 bytes    C++ CTest.exe!_CRYPTO_lock()  + 0x81 bytes    C
> CTest.exe!_ssl_load_ciphers()  + 0x113 bytes    C
> CTest.exe!_SSL_COMP_get_compression_methods()  + 0x5 bytes    C
> CTest.exe!_SSL_library_init()  + 0x129 bytes    C
> CTest.exe!boost::asio::ssl::detail::openssl_init<1>::do_init::do_init() 
> Line 57    C++
> CTest.exe!boost::asio::ssl::detail::openssl_init<1>::do_init::instance() 
> Line 74 + 0x4a bytes    C++
> CTest.exe!boost::asio::ssl::detail::openssl_init<1>::openssl_init<1>() 
> Line 96 + 0x5a bytes    C++ CTest.exe!`dynamic initializer for
> 'boost::asio::ssl::detail::openssl_init<1>::instance_''()  Line 69 + 0x28
> bytes    C++ msvcr80d.dll!_initterm(void (void)* * pfbegin=0x00937234,
> void (void)* * pfend=0x00937f0c)  Line 855    C
> CTest.exe!__tmainCRTStartup()  Line 501 + 0xf bytes    C
> CTest.exe!WinMainCRTStartup()  Line 403    C kernel32.dll!7c816ff7()     
> [Frames below may be incorrect and/or missing, no symbols loaded for
> kernel32.dll]    
> CTest.exe!boost::asio::ip::basic_endpoint<boost::asio::ip::tcp>::basic_endpoint<boost::asio::ip::tcp>(const
> boost::asio::ip::address & addr={...}, unsigned short port_num=111)  Line
> 155 + 0x21 bytes    C++
> CTest.exe!boost::asio::ip::basic_endpoint<boost::asio::ip::tcp>::basic_endpoint<boost::asio::ip::tcp>(const
> boost::asio::ip::address & addr={...}, unsigned short port_num=115)  Line
> 155 + 0x21 bytes    C++
> CTest.exe!boost::asio::ip::basic_endpoint<boost::asio::ip::tcp>::basic_endpoint<boost::asio::ip::tcp>(const
> boost::asio::ip::address & addr={...}, unsigned short port_num=111)  Line
> 155 + 0x42 bytes    C++
> CTest.exe!boost::asio::ip::basic_endpoint<boost::asio::ip::tcp>::basic_endpoint<boost::asio::ip::tcp>(const
> boost::asio::ip::address & addr={...}, unsigned short port_num=54)  Line
> 155 + 0x21 bytes    C++ CTest.exe!wxFileName::Assign(const wxFileName &
> filepath={...})  Line 310    C++
> CTest.exe!boost::asio::ip::basic_endpoint<boost::asio::ip::tcp>::basic_endpoint<boost::asio::ip::tcp>(const
> boost::asio::ip::address & addr={...}, unsigned short port_num=111)  Line
> 155 + 0x42 bytes    C++
> CTest.exe!boost::asio::ip::basic_endpoint<boost::asio::ip::tcp>::basic_endpoint<boost::asio::ip::tcp>(const
> boost::asio::ip::address & addr={...}, unsigned short port_num=54)  Line
> 155 + 0x21 bytes    C++ CTest.exe!wxFileName::Assign(const wxFileName &
> filepath={...})  Line 310    C++
> CTest.exe!boost::asio::ip::basic_endpoint<boost::asio::ip::tcp>::basic_endpoint<boost::asio::ip::tcp>(const
> boost::asio::ip::address & addr={...}, unsigned short port_num=57)  Line
> 155 + 0x42 bytes    C++ CTest.exe!_RSA_padding_check_PKCS1_type_1()  +
> 0xf2 bytes    C
> CTest.exe!boost::asio::ip::basic_endpoint<boost::asio::ip::tcp>::basic_endpoint<boost::asio::ip::tcp>(const
> boost::asio::ip::address & addr={...}, unsigned short port_num=897)  Line
> 155 + 0x21 bytes    C++ 02840448()     dbghelp.dll!03020004() Can somebody
> tell me what i'm doing wrong?Thanks
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