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<A name="5330"> </A>
<H3>
Tcl API
</H3>
<P>
<A name="30429"> </A>The following features changes for the Tcl API are included
in AOLserver Version 3.0:
<TABLE Border = "3">
<TR>
<TH><A name="28338"> </A><B>Feature</B></TH>
<TH><A name="28340"> </A><B>Where Documented</B></TH>
</TR>
<TR>
<TD><A name="51090"> </A><B>ADP parsers supported: </B>ADP parsers implement
a specific syntax for ADPs. Two ADP parsers are registered by default: "adp"
and "fancy".
<P>
<A name="51101"> </A>Configure ADP parsers in the ns/server/server-name/adp
and ns/server/server-name/adp/parsers sections of the configuration file.
<P>
<A name="51110"> </A>You can specify a specific ADP parser in the ns_adp_eval
Tcl function.
<P>
<A name="51112"> </A>You can register new ADP parsers with the
Ns_AdpRegisterParser C function.</TD>
<TD><A name="51092"> </A><I>Administrator's Guide:</I>
<A href="con-ch3.htm#75330">page 56</A>, <A href="con-ch3.htm#157087">page
57</A>
<P>
<A name="51113"> </A><I>Tcl Developer's Guide:</I>
<A href="tadp-ch9.htm#23840">page 10</A>, <A href="tapi-c12.htm#222438">page
53</A>
<P>
<A name="51114"> </A><I>C Developer's Guide:</I>
<A href="c-ch8.htm#861558">page 45</A></TD>
</TR>
<TR>
<TD><A name="44778"> </A><B>New ADP configuration parameters: </B>Several
new parameters have been added, and some other parameters have been removed.</TD>
<TD><A name="44780"> </A><I>Administrator's Guide:</I>
<A href="con-ch3.htm#75330">page 56</A></TD>
</TR>
<TR>
<TD><A name="48187"> </A><B>ADP caching configuration changed: </B>Caching
for ADPs is configured with the new Cache parameter in the ADP section.</TD>
<TD><A name="48189"> </A><I>Administrator's Guide:</I>
<A href="con-ch3.htm#75330">page 56</A></TD>
</TR>
<TR>
<TD><A name="48163"> </A><B>Built-in ADP tags no longer supported:</B> The
built-in ADP tags, <aol>, <browser>, <msie>, and
<netscape>, are no longer supported. You can register your own ADP
tags with the <B>ns_adp_registertag</B> and <B>ns_register_adptag</B> functions.</TD>
<TD><A name="48169"> </A><I>Tcl Developer's Guide:</I>
<A href="tapi-c17.htm#221672">page 58</A>, <A href="tapi-102.htm#173981">page
160</A></TD>
</TR>
<TR>
<TD><A name="44782"> </A><B>New/Modified ADP functions: </B>The following
Tcl functions are new:
<DL>
<DD>
<B>ns_adp_debug</B>
<DD>
<B>ns_adp_dump</B>
<DD>
<B>ns_adp_eval</B>
<DD>
<B>ns_adp_exception</B>
<DD>
<B>ns_adp_puts</B>
<DD>
<B>ns_adp_registertag</B>
<DD>
ns_adp_return
<DD>
<B>ns_adp_stream</B>
<DD>
<B>ns_adp_tell</B>
<DD>
<B>ns_adp_trunc</B>
</DL>
<P>
<A name="48256"> </A>The following Tcl functions are modified:
<DL>
<DD>
<B>ns_adp_abort</B>
<DD>
ns_adp_break
<DD>
<B>ns_adp_include</B>
<DD>
<B>ns_adp_parse</B>
</DL>
</TD>
<TD><A name="44784"> </A><I>Tcl Developer's Guide:</I>
<A href="tapi-ch9.htm#222048">page 50</A> through
<A href="tapi-c21.htm#287024">page 62</A></TD>
</TR>
<TR>
<TD><A name="44786"> </A><B>ADP debugging with TclPro: </B>TclPro debugging
for ADPs can be enabled with the new EnableDebug parameter, or with the new
<B>ns_adp_debug</B> function.</TD>
<TD><A name="44788"> </A><I>Tcl Developer's Guide:</I>
<A href="tadp-ch4.htm#22009">page 7</A>, <A href="tadp-ch6.htm#23673">page
9</A>, <A href="tapi-ch9.htm#222048">page 50</A></TD>
</TR>
<TR>
<TD><A name="48422"> </A><B>Some database services functions removed:</B>
The following database services functions have been removed:
<DL>
<DD>
<B>ns_buildsqldate</B>
<DD>
<B>ns_buildsqltime</B>
<DD>
<B>ns_buildsqltimestamp</B>
<DD>
<B>ns_column</B>
<DD>
<B>ns_entryform</B>
<DD>
<B>ns_entrywidget</B>
<DD>
<B>ns_entrywidgetbytype</B>
<DD>
<B>ns_ill</B>
<DD>
<B>ns_parsesqldate</B>
<DD>
<B>ns_parsesqltime</B>
<DD>
<B>ns_parsesqltimestamp</B>
<DD>
<B>ns_searchform</B>
<DD>
<B>ns_searchopwidget</B>
<DD>
<B>ns_searchqbf</B>
<DD>
<B>ns_table</B>
<DD>
<B>ns_updateform</B>
<DD>
<B>ns_updaterow</B>
<DD>
<B>ns_updaterowbyid</B>
</DL>
</TD>
<TD><A name="48424"> </A>NA</TD>
</TR>
<TR>
<TD><A name="44214"> </A><B>Tcl caching changed:</B> Tcl file caching is
no longer configured through the configuration file. The <B>ns_cache</B>
function has been removed, and a new set of caching functions has been
implemented:
<DL>
<DD>
<B>ns_cache_flush</B>
<DD>
<B>ns_cache_names</B>
<DD>
<B>ns_cache_size</B>
<DD>
<B>ns_cache_stats</B>.
</DL>
</TD>
<TD><A name="48157"> </A><I>Tcl Developer's Guide:</I>
<A href="tapi-c26.htm#236562">page 67</A> through
<A href="tapi-c29.htm#236565">page 70</A></TD>
</TR>
<TR>
<TD><A name="48317"> </A><B>New configuration file Tcl functions:</B> The
new <B>ns_section </B>and <B>ns_param </B>Tcl functions are used to define
the sections and parameters in the configuration file. The new
<B>ns_configsection</B> and <B>ns_configsections</B> functions are used to
return information from the configuration file.</TD>
<TD><A name="48319"> </A><I>Tcl Developer's Guide:</I>
<A href="tapi-c34.htm#227106">page 76</A>, <A href="tapi-c35.htm#227107">page
77</A>, <A href="tapi-c89.htm#227552">page 145</A>,
<A href="tapi-116.htm#227793">page 182</A></TD>
</TR>
<TR>
<TD><A name="44359"> </A><B>Full Text functions removed: </B>Illustra and
the full text features of AOLserver are no longer supported. As a result,
the following Tcl functions have been removed:
<DL>
<DD>
<B>ns_archivetable</B>
<DD>
<B>ns_hiliteurl</B>
<DD>
<B>ns_htmltoquery</B>
<DD>
<B>ns_textarchive</B>
<DD>
<B>ns_textconfigpath</B>
<DD>
<B>ns_texthandlepool</B>
<DD>
<B>ns_textindex</B>
<DD>
<B>ns_texttable</B>
</DL>
</TD>
<TD><A name="44361"> </A>NA</TD>
</TR>
<TR>
<TD><A name="49741"> </A><B>Linked interpreters no longer used:</B> Tcl
interpreters no longer share the same procedure tables. During startup, a
single interpreter, known as the parent interpreter, exists and is populated
with procedures. After startup, the parent interpreter is copied into many
child interpreters, each of which is assigned a connection thread.</TD>
<TD><A name="49745"> </A><I>Tcl Developer's Guide:</I>
<A href="tgen-ch1.htm#15218">page 29</A></TD>
</TR>
<TR>
<TD><A name="45088"> </A><B>Maintaining state data no longer supported:</B>
AOLserver no longer maintains state data in Tcl. As a result, the following
Tcl functions have also been removed:
<DL>
<DD>
<B>ns_state_delete</B>
<DD>
<B>ns_state_restore</B>
<DD>
<B>ns_state_save</B>
<DD>
<B>ns_state_view</B>
</DL>
</TD>
<TD><A name="45090"> </A>NA</TD>
</TR>
<TR>
<TD><A name="48307"> </A><B>Permissions functions modified:</B> Six new
permissions functions replace the old permissions functions. The new functions
are:
<DL>
<DD>
<B>ns_perm adduser</B>
<DD>
<B>ns_perm addgroup</B>
<DD>
<B>ns_perm allowuser</B>
<DD>
<B>ns_perm denyuser</B>
<DD>
<B>ns_perm allowgroup</B>
<DD>
<B>ns_perm denygroup</B>
<DD>
ns_perm checkpass
<DD>
ns_perm setpass
<DD>
ns_permpasswd
</DL>
<P>
<A name="48470"> </A>The removed functions are:
<DL>
<DD>
<B>ns_group</B>
<DD>
<B>ns_method</B>
<DD>
<B>ns_user</B>
</DL>
</TD>
<TD><A name="48309"> </A><I>Tcl Developer's Guide:</I>
<A href="tapi-c94.htm#79412">page 150</A>, <A href="tapi-c95.htm#296291">page
152</A></TD>
</TR>
<TR>
<TD><A name="48483"> </A><B>Server statistics functions removed:</B> The
following functions have been removed:
<DL>
<DD>
<B>ns_intervalstats</B>
<DD>
<B>ns_resetintervalstats</B>
<DD>
<B>ns_totalstats</B>
</DL>
</TD>
<TD><A name="48485"> </A>NA</TD>
</TR>
<TR>
<TD><A name="48328"> </A><B>New sockets functions:</B> Four new sockets functions
have been added:
<DL>
<DD>
<B>ns_sockblocking</B>
<DD>
<B>ns_socklistencallback</B>
<DD>
<B>ns_socknonblocking</B>
<DD>
<B>ns_socknread</B>
</DL>
</TD>
<TD><A name="48330"> </A><I>Tcl Developer's Guide:</I>
<A href="tapi-127.htm#232740">page 196</A>, <A href="tapi-132.htm#232820">page
201</A>, <A href="tapi-133.htm#232894">page 202</A>,
<A href="tapi-134.htm#232969">page 203</A></TD>
</TR>
<TR>
<TD><A name="50842"> </A><B>Stored procedures supported:</B> The following
new functions have been added to support database stored procedures:
<DL>
<DD>
<B>ns_db sp_exec</B>
<DD>
<B>ns_db sp_getparams</B>
<DD>
<B>ns_db sp_returncode</B>
<DD>
<B>ns_db sp_setparam</B>
<DD>
<B>ns_db sp_start</B>
</DL>
</TD>
<TD><A name="50844"> </A><I>Tcl Developer's Guide:</I>
<A href="tapi-c44.htm#67537">page 88</A></TD>
</TR>
<TR>
<TD><A name="48198"> </A><B>New Tcl functions:</B> The following functions
not otherwise mentioned above are new for v3.0:
<DL>
<DD>
<B>ns_atexit</B>: Register a script to be run at shutdown
<DD>
<B>ns_checkurl</B>: Authorize a request
<DD>
<B>ns_cond</B>: Manage events
<DD>
<B>ns_conncptofp</B>: Write content to a file
<DD>
<B>ns_connsendfp</B>: Write contents of file to conn
<DD>
<B>ns_cport</B>: Control port interface commands
<DD>
<B>ns_gmtime</B>: Return time in GMT form
<DD>
<B>ns_kill</B>: Send a signal to a process
<DD>
<B>ns_logroll</B>: Roll server log
<DD>
<B>ns_markfordelete</B>: Mark interpreter for deletion
<DD>
<B>ns_menu</B>: Administer server in control port
<DD>
<B>ns_modlog</B>: Send notice to the log
<DD>
<B>ns_modlogcontrol</B>: Define log realms
<DD>
<B>ns_modulepath</B>: Return server directory
<DD>
<B>ns_parseheader</B>: Parse HTTP header
<DD>
<B>ns_parsequery</B>: Parse querystring
<DD>
<B>ns_querygetall</B>: Get multiple query values
<DD>
<B>ns_rand</B>: Generate a random number
<DD>
<B>ns_rollfile</B>: Roll an arbitrary file
<DD>
<B>ns_uudecode</B>: Perform base-64 decode
<DD>
<B>ns_uuencode</B>: Perform base-64 encode
</DL>
</TD>
<TD><A name="48200"> </A><I>Tcl Developer's Guide:</I>
<A href="tapi-ch2.htm#69108">"Function Reference"</A></TD>
</TR>
<TR>
<TD><A name="48202"> </A><B>Removed Tcl functions:</B> The following functions
not otherwise mentioned above are no longer supported for v3.0:
<DL>
<DD>
<B>ns_accesslog</B>
<DD>
<B>ns_adminlink</B>
<DD>
<B>ns_browsermatch</B>
<DD>
<B>ns_formvalueput</B>
<DD>
<B>ns_htmlselect</B>
<DD>
<B>ns_parsetime</B>
<DD>
<B>ns_puts</B> (use <B>ns_adp_puts</B> instead)
<DD>
<B>ns_queryresolve</B>
<DD>
<B>ns_quota</B>
<DD>
<B>ns_updateheader</B>
</DL>
</TD>
<TD><A name="48204"> </A>NA</TD>
</TR>
<TR>
<TD><A name="44802"> </A><B>Tcl v7.6 supported: </B>AOLserver<B> </B>now
supports the Tcl v7.6 commands instead of the Tcl v7.4 commands. Visit the
<A HREF="http://www.scriptics.com/man">http://www.scriptics.com/man</A> web
site for the complete descriptions of Tcl 7.6 commands.</TD>
<TD><A name="44804">
</A><A HREF="http://www.scriptics.com/man">www.scriptics.com/man</A></TD>
</TR>
<TR>
<TD><A name="41132"> </A><B>Tcl v7.4 no longer supported</B></TD>
<TD><A name="28354"> </A>NA</TD>
</TR>
</TABLE>
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<A name="45001"> </A>
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