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<div style="direction: ltr;">
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<div></div>
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<div style="direction: ltr;">You do not say what OS you are running on. Solaris 11 has a known problem with not reporting queued data. This was fixed by SRU-28.</div>
<div><br>
</div>
<div style="direction: ltr;">Regards,</div>
<div style="direction: ltr;">John Unsworth </div>
</div>
<div>
<hr style="display:inline-block;width:98%" tabindex="-1">
<div id="divRplyFwdMsg" dir="dir="ltr""><font face="Calibri, sans-serif" style="font-size:11pt"><b>From:</b> openssl-users <openssl-users-bounces@openssl.org> on behalf of ·Á¬·å <llf@e-code.net><br>
<b>Sent:</b> Monday, September 23, 2019 4:55 am<br>
<b>To:</b> openssl-users<br>
<b>Subject:</b> My client can not receive data in blocking mode<br>
</font></div>
<br>
<div>
<div class="__aliyun_email_body_block">
<div style="clear:both">
<div style="margin:.0px; padding:.0px; border:.0px; outline:.0px; color:#000000; font-family:΢ÈíÑźÚ; font-size:14.0px; font-style:normal; font-variant-ligatures:normal; font-variant-caps:normal; font-weight:400; text-align:start; text-indent:.0px; text-transform:none; widows:2; text-decoration-style:initial; text-decoration-color:initial">
Hello</div>
<div style="margin:.0px; padding:.0px; border:.0px; outline:.0px; color:#000000; font-family:΢ÈíÑźÚ; font-size:14.0px; font-style:normal; font-variant-ligatures:normal; font-variant-caps:normal; font-weight:400; text-align:start; text-indent:.0px; text-transform:none; widows:2; text-decoration-style:initial; text-decoration-color:initial">
</div>
<div style="margin:.0px; padding:.0px; border:.0px; outline:.0px; color:#000000; font-family:΢ÈíÑźÚ; font-size:14.0px; font-style:normal; font-variant-ligatures:normal; font-variant-caps:normal; font-weight:400; text-align:start; text-indent:.0px; text-transform:none; widows:2; text-decoration-style:initial; text-decoration-color:initial">
I'm using openssl as client in blocking mode , i have a problem .</div>
<div style="margin:.0px; padding:.0px; border:.0px; outline:.0px; color:#000000; font-family:΢ÈíÑźÚ; font-size:14.0px; font-style:normal; font-variant-ligatures:normal; font-variant-caps:normal; font-weight:400; text-align:start; text-indent:.0px; text-transform:none; widows:2; text-decoration-style:initial; text-decoration-color:initial">
Sometimes my program can't receive data , and acctually server has been sent the data to me.</div>
<div style="margin:.0px; padding:.0px; border:.0px; outline:.0px; color:#000000; font-family:΢ÈíÑźÚ; font-size:14.0px; font-style:normal; font-variant-ligatures:normal; font-variant-caps:normal; font-weight:400; text-align:start; text-indent:.0px; text-transform:none; widows:2; text-decoration-style:initial; text-decoration-color:initial">
I can only receive the data by sending another request . Then the data i expected arrived with a new data sent by server .</div>
<div style="margin:.0px; padding:.0px; border:.0px; outline:.0px; color:#000000; font-family:΢ÈíÑźÚ; font-size:14.0px; font-style:normal; font-variant-ligatures:normal; font-variant-caps:normal; font-weight:400; text-align:start; text-indent:.0px; text-transform:none; widows:2; text-decoration-style:initial; text-decoration-color:initial">
<br>
</div>
<div style="margin:.0px; padding:.0px; border:.0px; outline:.0px; color:#000000; font-family:΢ÈíÑźÚ; font-size:14.0px; font-style:normal; font-variant-ligatures:normal; font-variant-caps:normal; font-weight:400; text-align:start; text-indent:.0px; text-transform:none; widows:2; text-decoration-style:initial; text-decoration-color:initial">
------------------------------------------------------------------------------</div>
<div style="margin:.0px; padding:.0px; border:.0px; outline:.0px; color:#000000; font-family:΢ÈíÑźÚ; font-size:14.0px; font-style:normal; font-variant-ligatures:normal; font-variant-caps:normal; font-weight:400; text-align:start; text-indent:.0px; text-transform:none; widows:2; text-decoration-style:initial; text-decoration-color:initial">
bool can_read()</div>
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<div style="margin:.0px; padding:.0px; border:.0px; outline:.0px">{</div>
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<div style="clear:both">
<div style="margin:.0px; padding:.0px; border:.0px; outline:.0px; color:#000000; font-family:΢ÈíÑźÚ; font-size:14.0px; font-style:normal; font-variant-ligatures:normal; font-variant-caps:normal; font-weight:400; text-align:start; text-indent:.0px; text-transform:none; widows:2; text-decoration-style:initial; text-decoration-color:initial">
<div style="margin:.0px; padding:.0px; border:.0px; outline:.0px"> if(SSL_pending(m_ssl))</div>
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<div style="clear:both">
<div style="margin:.0px; padding:.0px; border:.0px; outline:.0px; color:#000000; font-family:΢ÈíÑźÚ; font-size:14.0px; font-style:normal; font-variant-ligatures:normal; font-variant-caps:normal; font-weight:400; text-align:start; text-indent:.0px; text-transform:none; widows:2; text-decoration-style:initial; text-decoration-color:initial">
<div style="margin:.0px; padding:.0px; border:.0px; outline:.0px"> return true;<br>
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<div style="clear:both">
<div style="margin:.0px; padding:.0px; border:.0px; outline:.0px; color:#000000; font-family:΢ÈíÑźÚ; font-size:14.0px; font-style:normal; font-variant-ligatures:normal; font-variant-caps:normal; font-weight:400; text-align:start; text-indent:.0px; text-transform:none; widows:2; text-decoration-style:initial; text-decoration-color:initial">
<div style="margin:.0px; padding:.0px; border:.0px; outline:.0px"></div>
<div style="margin:.0px; padding:.0px; border:.0px; outline:.0px; text-indent:2.0em">
struct timeval tv = {0 , 100};</div>
<div style="margin:.0px; padding:.0px; border:.0px; outline:.0px"> FD_ZERO(&m_rfds);</div>
<div style="margin:.0px; padding:.0px; border:.0px; outline:.0px"> FD_SET(m_socket.fd(), &m_rfds);</div>
<div style="margin:.0px; padding:.0px; border:.0px; outline:.0px; text-indent:2.0em">
int ret = select( m_socket.fd()+1, &m_rfds , NULL, NULL, &tv);</div>
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return ret > 0 ;</div>
<div style="margin:.0px; padding:.0px; border:.0px; outline:.0px">}</div>
</div>
<div style="margin:.0px; padding:.0px; border:.0px; outline:.0px; color:#000000; font-family:΢ÈíÑźÚ; font-size:14.0px; font-style:normal; font-variant-ligatures:normal; font-variant-caps:normal; font-weight:400; text-align:start; text-indent:.0px; text-transform:none; widows:2; text-decoration-style:initial; text-decoration-color:initial">
</div>
<div style="margin:.0px; padding:.0px; border:.0px; outline:.0px; color:#000000; font-family:΢ÈíÑźÚ; font-size:14.0px; font-style:normal; font-variant-ligatures:normal; font-variant-caps:normal; font-weight:400; text-align:start; text-indent:.0px; text-transform:none; widows:2; text-decoration-style:initial; text-decoration-color:initial">
//this is the main process</div>
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int try_receive(char * buf , int len )</div>
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{</div>
<div style="margin:.0px; padding:.0px; border:.0px; outline:.0px; color:#000000; font-family:΢ÈíÑźÚ; font-size:14.0px; font-style:normal; font-variant-ligatures:normal; font-variant-caps:normal; font-weight:400; text-align:start; text-transform:none; widows:2; text-decoration-style:initial; text-decoration-color:initial; text-indent:2.0em">
if( !can_read())</div>
<div style="margin:.0px; padding:.0px; border:.0px; outline:.0px; color:#000000; font-family:΢ÈíÑźÚ; font-size:14.0px; font-style:normal; font-variant-ligatures:normal; font-variant-caps:normal; font-weight:400; text-align:start; text-transform:none; widows:2; text-decoration-style:initial; text-decoration-color:initial; text-indent:4.0em">
return -1;</div>
<div style="margin:.0px; padding:.0px; border:.0px; outline:.0px; color:#000000; font-family:΢ÈíÑźÚ; font-size:14.0px; font-style:normal; font-variant-ligatures:normal; font-variant-caps:normal; font-weight:400; text-align:start; text-transform:none; widows:2; text-decoration-style:initial; text-decoration-color:initial; text-indent:4.0em">
</div>
<div style="margin:.0px; padding:.0px; border:.0px; outline:.0px; color:#000000; font-family:΢ÈíÑźÚ; font-size:14.0px; font-style:normal; font-variant-ligatures:normal; font-variant-caps:normal; font-weight:400; text-align:start; text-transform:none; widows:2; text-decoration-style:initial; text-decoration-color:initial; text-indent:2.0em">
return SSL_read(m_ssl, buf, len);</div>
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}</div>
<div style="margin:.0px; padding:.0px; border:.0px; outline:.0px; color:#000000; font-family:΢ÈíÑźÚ; font-size:14.0px; font-style:normal; font-variant-ligatures:normal; font-variant-caps:normal; font-weight:400; text-align:start; text-indent:.0px; text-transform:none; widows:2; text-decoration-style:initial; text-decoration-color:initial">
-------------------------------------------------------------------------------</div>
<div style="margin:.0px; padding:.0px; border:.0px; outline:.0px; color:#000000; font-family:΢ÈíÑźÚ; font-size:14.0px; font-style:normal; font-variant-ligatures:normal; font-variant-caps:normal; font-weight:400; text-align:start; text-indent:.0px; text-transform:none; widows:2; text-decoration-style:initial; text-decoration-color:initial">
Above is my code , my program get `false` from `can_read` although the server has sent response data</div>
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I really appreciate your help.</div>
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