smtp__client_8c-source.html

Freescale mcu OpenTCP-1.0.4.doc.html.zip 文档

00481                 <span class="keywordflow">if</span>(<a class="code" href="tcp_8c.html#a6">tcp_connect</a>(<a class="code" href="smtp__client_8c.html#a8">smtp_client</a>.sochandle, <a class="code" href="smtp__client_8c.html#a8">smtp_client</a>.remip, <a class="code" href="smtp__client_8c.html#a8">smtp_client</a>.remport, 0) &gt;= 0)
00482                         smtpc_changestate(<a class="code" href="smtp__client_8h.html#a4">SMTP_CONNECTIONOPEN_SENT</a>);
00483                 
00484                 <span class="keywordflow">return</span>;
00485         }
00486         
00487         
00488 
00489         <span class="keywordflow">if</span>( <a class="code" href="tcp_8c.html#a9">tcp_getstate</a>(<a class="code" href="smtp__client_8c.html#a8">smtp_client</a>.sochandle) != <a class="code" href="tcp__ip_8h.html#a53">TCP_STATE_CONNECTED</a> ) {
00490                 <span class="keywordflow">return</span>;
00491         }
00492         
00493         <span class="keywordflow">if</span>( <a class="code" href="tcp_8c.html#a10">tcp_checksend</a>(<a class="code" href="smtp__client_8c.html#a8">smtp_client</a>.sochandle) &lt; 0 )
00494                 <span class="keywordflow">return</span>;
00495         
00496         <span class="comment">/* It's connected and no unacked data so try to send    */</span>
00497         
00498         
00499         <span class="keywordflow">if</span>(<a class="code" href="smtp__client_8c.html#a8">smtp_client</a>.state == <a class="code" href="smtp__client_8h.html#a6">SMTP_SERVER_READY</a>) {
00500                 <span class="comment">/* Send HELO    */</span>
00501                 smtpc_sendhelo();
00502                 smtpc_changestate(<a class="code" href="smtp__client_8h.html#a7">SMTP_HELO_SENT</a>);
00503                 DEBUGOUT(<span class="stringliteral">"SMTP HELO packet sent\r\n"</span>);
00504                 <span class="keywordflow">return</span>;
00505         }
00506         
00507         <span class="keywordflow">if</span>(<a class="code" href="smtp__client_8c.html#a8">smtp_client</a>.state == <a class="code" href="smtp__client_8h.html#a8">SMTP_HELO_ACKED</a>) {
00508                 <span class="comment">/* Send MAIL FROM       */</span>
00509                 smtpc_sendmailfrom();
00510                 smtpc_changestate(<a class="code" href="smtp__client_8h.html#a9">SMTP_MAILFROM_SENT</a>);
00511                 DEBUGOUT(<span class="stringliteral">"SMTP MAIL FROM packet sent\r\n"</span>);
00512                 <span class="keywordflow">return</span>;
00513         }       
00514         
00515         <span class="keywordflow">if</span>(<a class="code" href="smtp__client_8c.html#a8">smtp_client</a>.state == <a class="code" href="smtp__client_8h.html#a10">SMTP_MAILFROM_ACKED</a>) {
00516                 <span class="comment">/* Send RCPT TO */</span>
00517                 smtpc_sendrcptto();
00518                 smtpc_changestate(<a class="code" href="smtp__client_8h.html#a11">SMTP_RCPTTO_SENT</a>);
00519                 DEBUGOUT(<span class="stringliteral">"SMTP RCPT TO packet sent\r\n"</span>);
00520                 <span class="keywordflow">return</span>;
00521         }       
00522         
00523         <span class="keywordflow">if</span>(<a class="code" href="smtp__client_8c.html#a8">smtp_client</a>.state == <a class="code" href="smtp__client_8h.html#a12">SMTP_RCPTTO_ACKED</a>) {
00524                 <span class="comment">/* Send DATA    */</span>
00525                 smtpc_senddatareq();
00526                 smtpc_changestate(<a class="code" href="smtp__client_8h.html#a13">SMTP_DATAREQ_SENT</a>);
00527                 DEBUGOUT(<span class="stringliteral">"SMTP DATA packet sent\r\n"</span>);
00528                 <span class="keywordflow">return</span>;
00529         }       
00530         
00531         <span class="keywordflow">if</span>(<a class="code" href="smtp__client_8c.html#a8">smtp_client</a>.state == <a class="code" href="smtp__client_8h.html#a14">SMTP_DATAREQ_ACKED</a>)     {
00532                 <span class="comment">/* Send BODY    */</span>
00533                 smtpc_sendbody();
00534                 smtpc_changestate(<a class="code" href="smtp__client_8h.html#a15">SMTP_BODY_SENT</a>);
00535                 DEBUGOUT(<span class="stringliteral">"SMTP BODY packet sent\r\n"</span>);
00536                 <span class="keywordflow">return</span>;
00537         }       
00538         
00539         
00540         <span class="comment">/* Body is part of plain text so we just make internal state change     */</span>
00541         <span class="comment">/* when TCP has acked the body packet. This pseudo-state just helps */</span>
00542         <span class="comment">/* us to regenerate the body when needed                                                        */</span>
00543         
00544         <span class="keywordflow">if</span>(<a class="code" href="smtp__client_8c.html#a8">smtp_client</a>.state == <a class="code" href="smtp__client_8h.html#a15">SMTP_BODY_SENT</a>)
00545                 smtpc_changestate(<a class="code" href="smtp__client_8h.html#a16">SMTP_SENDING_DATA</a>);
00546         
00547         <span class="keywordflow">if</span>(<a class="code" href="smtp__client_8c.html#a8">smtp_client</a>.state == <a class="code" href="smtp__client_8h.html#a16">SMTP_SENDING_DATA</a>) {
00548                 <span class="comment">/* Inform user app that old data is acked now   */</span>
00549                 
00550                 <a class="code" href="smtpc__callbacks_8c.html#a45">smtpc_dataacked</a>();              
00551         
00552                 <span class="keywordflow">if</span> (smtpc_senddata() &lt; 0) {
00553                         <span class="comment">/* End of data, send CRLF.CRLF  */</span>
00554                         
00555                         DEBUGOUT(<span class="stringliteral">"SMTP End of data reached\r\n"</span>);
00556                         smtpc_senddataend();
00557                         smtpc_changestate(<a class="code" href="smtp__client_8h.html#a18">SMTP_DATAEND_SENT</a>);
00558                         
00559                 }
00560                 <span class="keywordflow">return</span>;
00561         }       
00562         
00563                 
00564         <span class="keywordflow">if</span>(<a class="code" href="smtp__client_8c.html#a8">smtp_client</a>.state == <a class="code" href="smtp__client_8h.html#a19">SMTP_DATAEND_ACKED</a>) {
00565                 <span class="comment">/* Send QUIT    */</span>
00566                 smtpc_sendquit();
00567                 smtpc_changestate(<a class="code" href="smtp__client_8h.html#a20">SMTP_QUIT_SENT</a>);
00568                 DEBUGOUT(<span class="stringliteral">"SMTP QUIT packet sent\r\n"</span>);
00569                 <span class="keywordflow">return</span>;
00570         }               
00571 
00572 
00573         <span class="keywordflow">if</span>(<a class="code" href="smtp__client_8c.html#a8">smtp_client</a>.state == <a class="code" href="smtp__client_8h.html#a21">SMTP_QUIT_ACKED</a>) {
00574         
00575                 <span class="comment">/* Inform application that data is sent OK      */</span>
00576                 
00577                 <a class="code" href="smtpc__callbacks_8c.html#a47">smtpc_allok</a>();
00578         
00579                 <span class="comment">/* Try to close TCP     */</span>
00580                 
00581                 <span class="keywordflow">if</span>(<a class="code" href="tcp_8c.html#a8">tcp_close</a>(<a class="code" href="smtp__client_8c.html#a8">smtp_client</a>.sochandle) &gt;= 0) {
00582                         smtpc_changestate(<a class="code" href="smtp__client_8h.html#a2">SMTP_CLOSED</a>);
00583                         DEBUGOUT(<span class="stringliteral">"SMTP connection closed OK\r\n"</span>);
00584                         <span class="keywordflow">return</span>;
00585                 }
00586                 
00587                 <span class="comment">/* Close is not accepted by TCP. See if timeout */</span>
00588                 
00589                 <span class="keywordflow">if</span>(<a class="code" href="timers_8c.html#a7">check_timer</a>(<a class="code" href="smtp__client_8c.html#a8">smtp_client</a>.tmrhandle) == 0) {
00590                         <span class="comment">/* Use brute force              */</span>
00591                         
00592                         <a class="code" href="tcp_8c.html#a11">tcp_abort</a>(<a class="code" href="smtp__client_8c.html#a8">smtp_client</a>.sochandle);
00593                         smtpc_changestate(<a class="code" href="smtp__client_8h.html#a2">SMTP_CLOSED</a>);
00594                         DEBUGOUT(<span class="stringliteral">"SMTP connection closed by ABORT\r\n"</span>);
00595                         <span class="keywordflow">return</span>;
00596                 }
00597                 
00598                 <span class="comment">/* Keep trying untill timeout   */</span>
00599                 
00600                 <span class="keywordflow">return</span>;
00601                 
00602         }       
00603         
00604         <span class="keywordflow">return</span>;
00605 
00606 }
00607 
00608 
00609 <span class="keywordtype">void</span> smtpc_sendhelo (<span class="keywordtype">void</span>)
00610 {
00611         INT8 i;
00612         UINT8* buf;
00613 
00614         <span class="comment">/* Fill TCP Tx buffer with "HELO " and use callback function    */</span>
00615         <span class="comment">/* smtp_getdomain in order to get domain from systems and send  */</span>
00616         <span class="comment">/* that combined "HELO domainnname" to SMTP server                              */</span>
00617         
00618         buf = &amp;net_buf[<a class="code" href="tcp__ip_8h.html#a61">TCP_APP_OFFSET</a>];
00619         
00620         *buf++ = <span class="charliteral">'H'</span>;
00621         *buf++ = <span class="charliteral">'E'</span>;
00622         *buf++ = <span class="charliteral">'L'</span>;
00623         *buf++ = <span class="charliteral">'O'</span>;
00624         *buf++ = <span class="charliteral">' '</span>; 
00625         
00626         i = <a class="code" href="smtpc__callbacks_8c.html#a2">smtpc_getdomain</a>(buf);
00627         
00628         <span class="keywordflow">if</span>(i &lt; 0)
00629                 <span class="keywordflow">return</span>;
00630         
00631         buf += i;       
00632         
00633         <span class="comment">/* Insert CRLF  */</span>
00634         
00635         *buf++ = <span class="charliteral">'\r'</span>;
00636         *buf = <span class="charliteral">'\n'</span>;
00637                 
00638 
00639         <a class="code" href="tcp_8c.html#a7">tcp_send</a>(<a class="code" href="smtp__client_8c.html#a8">smtp_client</a>.sochandle, &amp;net_buf[<a class="code" href="tcp__ip_8h.html#a61">TCP_APP_OFFSET</a>], <a class="code" href="group__opentcp__config.html#a4">NETWORK_TX_BUFFER_SIZE</a> - <a class="code" href="tcp__ip_8h.html#a61">TCP_APP_OFFSET</a>, i + 7);
00640 
00641 }
00642 
00643 
00644 
00645 <span class="keywordtype">void</span> smtpc_sendmailfrom (<span class="keywordtype">void</span>)
00646 {
00647         INT8 i;
00648         UINT8* buf;
00649 
00650         <span class="comment">/* Fill TCP Tx buffer with "MAIL FROM: &lt;" and use callback function                             */</span>
00651         <span class="comment">/* smtp_getsender in order to get local e-mail address from user and send               */</span>
00652         <span class="comment">/* that combined "MAIL FROM: &lt;myadr&gt;" to SMTP server                                                    */</span>
00653         
00654         buf = &amp;net_buf[<a class="code" href="tcp__ip_8h.html#a61">TCP_APP_OFFSET</a>];
00655         
00656         *buf++ = <span class="charliteral">'M'</span>;
00657         *buf++ = <span class="charliteral">'A'</span>;
00658         *buf++ = <span class="charliteral">'I'</span>;
00659         *buf++ = <span class="charliteral">'L'</span>;
00660         *buf++ = <span class="charliteral">' '</span>; 
00661         *buf++ = <span class="charliteral">'F'</span>;
00662         *buf++ = <span class="charliteral">'R'</span>;
00663         *buf++ = <span class="charliteral">'O'</span>;
00664         *buf++ = <span class="charliteral">'M'</span>;
00665         *buf++ = <span class="charliteral">':'</span>;
00666         *buf++ = <span class="charliteral">' '</span>;
00667         *buf++ = <span class="charliteral">'&lt;'</span>;   
00668         
00669         i = <a class="code" href="smtpc__callbacks_8c.html#a3">smtpc_getsender</a>(buf);
00670         
00671         <span class="keywordflow">if</span>(i &lt; 0)
00672                 <span class="keywordflow">return</span>;
00673         
00674         buf += i;
00675         
00676         <span class="comment">/* Insert &gt;CRLF */</span>
00677         
00678         *buf++ = <span class="charliteral">'&gt;'</span>;
00679         *buf++ = <span class="charliteral">'\r'</span>;
00680         *buf = <span class="charliteral">'\n'</span>;
00681                 
00682 
00683         <a class="code" href="tcp_8c.html#a7">tcp_send</a>(<a class="code" href="smtp__client_8c.html#a8">smtp_client</a>.sochandle, &amp;net_buf[<a class="code" href="tcp__ip_8h.html#a61">TCP_APP_OFFSET</a>], <a class="code" href="group__opentcp__config.html#a4">NETWORK_TX_BUFFER_SIZE</a> - <a class="code" href="tcp__ip_8h.html#a61">TCP_APP_OFFSET</a>, i + 15);
00684 
00685 }
00686 
00687 
00688 
00689 <span class="keywordtype">void</span> smtpc_sendrcptto (<span class="keywordtype">void</span>)
00690 {
00691         INT8 i;
00692         UINT8* buf;
00693 
00694         <span class="comment">/* Fill TCP Tx buffer with "RCPT TO: &lt;" and use callback function                       */</span>
00695         <span class="comment">/* smtp_getreceiver in order to get receiver address from user and send         */</span>
00696         <span class="comment">/* that combined "RCPT To: &lt;rcvadr&gt;" to SMTP server                                                     */</span>
00697         
00698         buf = &amp;net_buf[<a class="code" href="tcp__ip_8h.html#a61">TCP_APP_OFFSET</a>];