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Fine tuning the manual...
This commit is contained in:
Diego Nehab
parent
0a4c1534f3
commit
ba2f0b8c6b
23
doc/ftp.html
23
doc/ftp.html
@ -54,7 +54,8 @@ To really benefit from this module, a good understanding of
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LTN012, Filters sources and sinks</a> is necessary.
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</p>
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<p class=description> To obtain the <tt>ftp</tt> namespace, run:
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<p>
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To obtain the <tt>ftp</tt> namespace, run:
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</p>
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<pre class=example>
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@ -99,7 +100,7 @@ ftp.<b>get{</b><br>
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[command = <i>string</i>,]<br>
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[port = <i>number</i>,]<br>
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[type = <i>string</i>,]<br>
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[step = <i>LTN12 pump step</i>],<br>
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[step = <i>LTN12 pump step</i>,]<br>
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<b>}</b>
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</p>
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@ -115,7 +116,9 @@ If the argument of the <tt>get</tt> function is a table, the function
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expects at least the fields <tt>host</tt>, <tt>sink</tt>, and one of
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<tt>argument</tt> or <tt>path</tt> (<tt>argument</tt> takes
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precedence). <tt>Host</tt> is the server to connect to. <tt>Sink</tt> is
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the <em>simple</em> LTN12 sink that will receive the downloaded data. <tt>Argument</tt> or
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the <em>simple</em>
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<a href="http://lua-users.org/wiki/FiltersSourcesAndSinks">LTN12</a>
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sink that will receive the downloaded data. <tt>Argument</tt> or
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<tt>path</tt> give the target path to the resource in the server. The
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optional arguments are the following:
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</p>
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@ -127,7 +130,9 @@ authentication. Defaults to "<tt>ftp:anonymous@anonymous.org</tt>";
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<li><tt>port</tt>: The port to used for the control connection. Defaults to 21;
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<li><tt>type</tt>: The transfer mode. Can take values "<tt>i</tt>" or
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"<tt>a</tt>". Defaults to whatever is the server default;
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<li><tt>step</tt>: LTN12 pump step function used to pass data from the
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<li><tt>step</tt>:
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<a href="http://lua-users.org/wiki/FiltersSourcesAndSinks">LTN12</a>
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pump step function used to pass data from the
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server to the sink. Defaults to the LTN12 <tt>pump.step</tt> function.
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</ul>
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@ -177,7 +182,7 @@ ftp.<b>put{</b><br>
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[command = <i>string</i>,]<br>
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[port = <i>number</i>,]<br>
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[type = <i>string</i>,]<br>
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[step = <i>LTN12 pump step</i>],<br>
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[step = <i>LTN12 pump step</i>,]<br>
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<b>}</b>
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</p>
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@ -192,7 +197,9 @@ If the argument of the <tt>put</tt> function is a table, the function
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expects at least the fields <tt>host</tt>, <tt>source</tt>, and one of
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<tt>argument</tt> or <tt>path</tt> (<tt>argument</tt> takes
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precedence). <tt>Host</tt> is the server to connect to. <tt>Source</tt> is
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the <em>simple</em> LTN12 source that will provide the contents to be uploaded.
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the <em>simple</em>
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<a href="http://lua-users.org/wiki/FiltersSourcesAndSinks">LTN12</a>
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source that will provide the contents to be uploaded.
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<tt>Argument</tt> or
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<tt>path</tt> give the target path to the resource in the server. The
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optional arguments are the following:
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@ -205,7 +212,9 @@ authentication. Defaults to "<tt>ftp:anonymous@anonymous.org</tt>";
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<li><tt>port</tt>: The port to used for the control connection. Defaults to 21;
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<li><tt>type</tt>: The transfer mode. Can take values "<tt>i</tt>" or
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"<tt>a</tt>". Defaults to whatever is the server default;
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<li><tt>step</tt>: LTN12 pump step function used to pass data from the
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<li><tt>step</tt>:
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<a href="http://lua-users.org/wiki/FiltersSourcesAndSinks">LTN12</a>
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pump step function used to pass data from the
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server to the sink. Defaults to the LTN12 <tt>pump.step</tt> function.
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</ul>
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@ -50,11 +50,13 @@ implementation conforms to the HTTP/1.1 standard,
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The module exports functions that provide HTTP functionality in different
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levels of abstraction, from the simple
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<a href="#get"><tt>get</tt></a> function, through the generic
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LTN12 based <a href="#request"><tt>request</tt></a> function, down to
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<a href="http://lua-users.org/wiki/FiltersSourcesAndSinks">LTN12</a> based
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<a href="#request"><tt>request</tt></a> function, down to
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even lower-level if you bother to look through the source code.
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</p>
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<p class=description> To obtain the <tt>ftp</tt> namespace, run:
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<p>
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To obtain the <tt>http</tt> namespace, run:
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</p>
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<pre class=example>
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@ -85,12 +87,8 @@ MIME headers are represented as a Lua table in the form:
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headers = {<br>
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field-1-name = <i>field-1-value</i>,<br>
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field-2-name = <i>field-2-value</i>,<br>
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field-3-name = <i>field-3-value</i>,
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</tt></td></tr>
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<tr><td align=center><tt>
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...
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</tt></td></tr>
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<tr><td><tt>
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field-3-name = <i>field-3-value</i>,<br>
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...<br>
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field-n-name = <i>field-n-value</i><br>
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}
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</tt></td></tr>
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@ -188,7 +186,7 @@ Note: This function is also trivially implemented with the use of the
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<p class=name id=request>
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http.<b>request{</b><br>
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url = <i>string</i>,<br>
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[sink = <i>LTN12 sink</i>],]<br>
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[sink = <i>LTN12 sink</i>,]<br>
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[method = <i>string</i>,]<br>
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[headers = <i>header-table</i>,]<br>
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[source = <i>LTN12 source</i>],<br>
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@ -203,7 +201,9 @@ Performs the generic HTTP request, controlled by a request table.
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</p>
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<p class=parameters>
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The most important parameters are the <tt>url</tt> and the <em>simple</em> LTN12 <tt>sink</tt> that will receive the downloaded content.
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The most important parameters are the <tt>url</tt> and the <em>simple</em>
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<a href="http://lua-users.org/wiki/FiltersSourcesAndSinks">LTN12</a>
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<tt>sink</tt> that will receive the downloaded content.
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Any part of the <tt>url</tt> can be overridden by including
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the appropriate field in the request table.
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If authentication information is provided, the function
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@ -215,11 +215,15 @@ following:
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<ul>
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<li><tt>method</tt>: The HTTP request method. Defaults to "GET";
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<li><tt>headers</tt>: Any additional HTTP headers to send with the request;
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<li><tt>source</tt>: <em>simple</em> LTN12 source to provide the request body. If there
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<li><tt>source</tt>: <em>simple</em>
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<a href="http://lua-users.org/wiki/FiltersSourcesAndSinks">LTN12</a>
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source to provide the request body. If there
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is a body, you need to provide an appropriate "<tt>content-length</tt>"
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request header field, or the function will attempt to send the body as
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"<tt>chunked</tt>" (something few servers support). Defaults to the empty source;
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<li><tt>step</tt>: LTN12 pump step function used to move data.
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<li><tt>step</tt>:
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<a href="http://lua-users.org/wiki/FiltersSourcesAndSinks">LTN12</a>
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pump step function used to move data.
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Defaults to the LTN12 <tt>pump.step</tt> function.
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<li><tt>proxy</tt>: The URL of a proxy server to use. Defaults to no proxy;
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<li><tt>redirect</tt>: Set to <tt><b>false</b></tt> to prevent the
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@ -51,13 +51,21 @@ and Unix platforms.
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</p>
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<p>
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The most used modules implement the SMTP (sending e-mails), HTTP
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(WWW access) and FTP (uploading and downloading files) client
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The most used modules implement the
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<a href=smtp.html>SMTP</a>
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(sending e-mails),
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<a href=http.html>HTTP</a>
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(WWW access) and
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<a href=ftp.html>FTP</a>
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(uploading and downloading files) client
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protocols. These provide a very natural and generic interface to the e
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functionality covered by the protocols.
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In addition, you will find that the MIME (common encodings), URL (anything you
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could possible want to do with one) and LTN12 (filters, sinks, sources
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and pumps) modules can be very handy.
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In addition, you will find that the
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<a href=mime.html>MIME</a> (common encodings),
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<a href=url.html>URL</a>
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(anything you could possible want to do with one) and
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<a href=ltn12.html>LTN12</a>
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(filters, sinks, sources and pumps) modules can be very handy.
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</p>
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<p>
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@ -122,7 +122,7 @@ from the "<tt>socket</tt>" namespace.
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<pre class="example">
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socket = require("socket")
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print(socket.VERSION)
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-- LuaSocket 2.0
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--> LuaSocket 2.0
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</pre>
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<!-- tcp ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ -->
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@ -42,7 +42,8 @@ functions. Please refer to the LTN for a deeper explanation of the
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functionality provided by this module.
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</p>
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<p class=description> To obtain the <tt>ltn12</tt> namespace, run:
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<p>
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To obtain the <tt>ltn12</tt> namespace, run:
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</p>
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<pre class=example>
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@ -55,7 +55,8 @@ follows the ideas presented in
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LTN012, Filters sources and sinks</a>.
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</p>
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<p class=description> To obtain the <tt>mime</tt> namespace, run:
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<p>
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To obtain the <tt>mime</tt> namespace, run:
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</p>
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<pre class=example>
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@ -109,10 +110,6 @@ Returns a filter that decodes data from a given transfer content
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encoding.
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</p>
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<p class=return>
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The function returns the created filter.
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</p>
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<!-- encode +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ -->
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<p class=name id="encode">
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@ -131,10 +128,6 @@ textual or binary, by passing the <tt>mode</tt> strings "<tt>text</tt>" or
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"<tt>binary</tt>". <tt>Mode</tt> defaults to "<tt>text</tt>".
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</p>
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<p class=return>
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The function returns the created filter.
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</p>
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<p class=note>
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Although both transfer content encodings specify a limit for the line
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length, the encoding filters do <em>not</em> break text into lines (for
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@ -186,10 +179,6 @@ not to break lines in the middle of an escaped character. In that case, the
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line length is fixed at 76.
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</p>
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<p class=return>
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The function returns the created filter.
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</p>
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<p class=note>
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For example, to create an encoding filter for the Quoted-Printable transfer content encoding of text data, do the following:
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</p>
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@ -260,9 +249,7 @@ the context is returned after each new chunk.
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ASCII value of the last character of the previous chunk, if it was a
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candidate for line break, or 0 otherwise.
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<tt>B</tt> is the same as <tt>C</tt>, but for the current
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chunk. If <tt>D</tt> is <tt><b>nil</b></tt>, <tt>A</tt> includes a
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new end-of-line marker, depending on <tt>C</tt>.
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<tt>Marker</tt> gives the new end-of-line marker and defaults to CRLF.
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chunk. <tt>Marker</tt> gives the new end-of-line marker and defaults to CRLF.
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</p>
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<pre class=example>
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@ -35,8 +35,15 @@
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<h2 id=smtp>SMTP</h2>
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<p> The <tt>smtp.lua</tt> module provides functionality to send e-mail
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messages. The implementation conforms to the Simple Mail Transfer Protocol,
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<p> The <tt>smtp</tt> namespace provides functionality to send e-mail
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messages. The high-level API consists of two functions: one to
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define an e-mail message, and another to actually send the message.
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Although almost all users will find that these functions provide more than
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enough functionality, the underlying implementation allows for even more
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control (if you bother to read the code).
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</p>
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<p>The implementation conforms to the Simple Mail Transfer Protocol,
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<a href="http://www.cs.princeton.edu/~diego/rfc/rfc2821.txt">RFC 2821</a>.
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Another RFC of interest is <a
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href="http://www.cs.princeton.edu/~diego/rfc/rfc2822.txt">RFC 2822</a>,
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@ -52,6 +59,15 @@ sources and sinks</a> and the <a href=mime.html>MIME</a> module is
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assumed. In fact, the SMTP module was the main reason for their
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creation. </p>
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<p>
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To obtain the <tt>smtp</tt> namespace, run:
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</p>
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<pre class=example>
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-- loads the SMTP module and everything it requires
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local smtp = require("smtp")
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</pre>
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<p>
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MIME headers are represented as a Lua table in the form:
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</p>
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@ -62,12 +78,8 @@ MIME headers are represented as a Lua table in the form:
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headers = {<br>
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field-1-name = <i>field-1-value</i>,<br>
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field-2-name = <i>field-2-value</i>,<br>
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field-3-name = <i>field-3-value</i>,
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</tt></td></tr>
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<tr><td align=center><tt>
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...
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</tt></td></tr>
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<tr><td><tt>
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field-3-name = <i>field-3-value</i>,<br>
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...<br>
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field-n-name = <i>field-n-value</i><br>
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}
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</tt></td></tr>
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@ -105,12 +117,12 @@ smtp.<b>send{</b><br>
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from = <i>string</i>,<br>
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rcpt = <i>string</i> or <i>string-table</i>,<br>
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source = <i>LTN12 source</i>,<br>
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[user = <i>string</i>],<br>
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[password = <i>string</i>],<br>
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[server = <i>string</i>],<br>
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[port = <i>string</i>]<br>
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[domain = <i>string</i>],<br>
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[step = <i>LTN12 pump step</i>],<br>
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[user = <i>string</i>,]<br>
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[password = <i>string</i>,]<br>
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[server = <i>string</i>,]<br>
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[port = <i>string</i>,]<br>
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[domain = <i>string</i>,]<br>
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[step = <i>LTN12 pump step</i>,]<br>
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<b>}</b>
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</p>
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@ -127,8 +139,9 @@ The sender is given by the e-mail address in the <tt>from</tt> field.
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<tt>Rcpt</tt> is a Lua table with one entry for each recipient e-mail
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address, or a string
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in case there is just one recipient.
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The contents of the message are given by a <em>simple</em> LTN12 <tt>source</tt>. Several
|
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arguments are optional:
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The contents of the message are given by a <em>simple</em>
|
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<a href="http://lua-users.org/wiki/FiltersSourcesAndSinks">LTN12</a>
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<tt>source</tt>. Several arguments are optional:
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</p>
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<ul>
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<li> <tt>user</tt>, <tt>password</tt>: User and password for
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@ -138,7 +151,9 @@ methods if supported by the server (both are unsafe);
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<li> <tt>port</tt>: Port to connect to. Defaults to 25;
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<li> <tt>domain</tt>: Domain name used to greet the server; Defaults to the
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local machine host name;
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<li> <tt>step</tt>: LTN12 pump step function used to pass data from the
|
||||
<li> <tt>step</tt>:
|
||||
<a href="http://lua-users.org/wiki/FiltersSourcesAndSinks">LTN12</a>
|
||||
pump step function used to pass data from the
|
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source to the server. Defaults to the LTN12 <tt>pump.step</tt> function.
|
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</ul>
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@ -166,7 +181,8 @@ exact opposite of what you expect.
|
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Only recipients specified in the <tt>rcpt</tt> list will receive a copy of the
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message. Each recipient of an SMTP mail message receives a copy of the
|
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message body along with the headers, and nothing more. The headers
|
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<em>are</em> part of the message and should be produced by the LTN12
|
||||
<em>are</em> part of the message and should be produced by the
|
||||
<a href="http://lua-users.org/wiki/FiltersSourcesAndSinks">LTN12</a>
|
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<tt>source</tt> function. The <tt>rcpt</tt> list is <em>not</em>
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part of the message and will not be sent to anyone.
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</p>
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@ -258,8 +274,8 @@ smtp.<b>message(</b>mesgt<b>)</b>
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</p>
|
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<p class=description>
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Returns a LTN12 source that sends an SMTP message body, possibly multipart
|
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(arbitrarily deep).
|
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Returns a <em>simple</em>
|
||||
<a href="http://lua-users.org/wiki/FiltersSourcesAndSinks">LTN12</a> source that sends an SMTP message body, possibly multipart (arbitrarily deep).
|
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</p>
|
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<p class=parameters>
|
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@ -277,12 +293,12 @@ mesgt = {<br>
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}<br>
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<br>
|
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multipart-mesgt = {<br>
|
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preamble = <i>string</i><br>
|
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[preamble = <i>string</i>,]<br>
|
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[1] = <i>mesgt</i>,<br>
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[2] = <i>mesgt</i>,<br>
|
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...<br>
|
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[<i>n</i>] = <i>mesgt</i>,<br>
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epilogue = <i>string</i>,<br>
|
||||
[epilogue = <i>string</i>,]<br>
|
||||
}<br>
|
||||
</tt></td></tr>
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</table>
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@ -291,14 +307,19 @@ multipart-mesgt = {<br>
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<p class=parameters>
|
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For a simple message, all that is needed is a set of <tt>headers</tt>
|
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and the <tt>body</tt>. The message <tt>body</tt> can be given as a string
|
||||
or as a LTN12 source. For multipart messages, the body is a table that
|
||||
recursively defines each part as an independent message, plus a preamble
|
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and an epilogue.
|
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or as a <em>simple</em>
|
||||
<a href="http://lua-users.org/wiki/FiltersSourcesAndSinks">LTN12</a>
|
||||
source. For multipart messages, the body is a table that
|
||||
recursively defines each part as an independent message, plus an optional
|
||||
<tt>preamble</tt> and <tt>epilogue</tt>.
|
||||
</p>
|
||||
|
||||
<p class=return>
|
||||
The function returns a <em>simple</em> LTN12 source that produces the
|
||||
message contents as defined by <tt>mesgt</tt>. Hopefully, the following
|
||||
The function returns a <em>simple</em>
|
||||
<a href="http://lua-users.org/wiki/FiltersSourcesAndSinks">LTN12</a>
|
||||
source that produces the
|
||||
message contents as defined by <tt>mesgt</tt>, chunk by chunk.
|
||||
Hopefully, the following
|
||||
example will make things clear. When in doubt, refer to the appropriate RFC
|
||||
as listed in the introduction. </p>
|
||||
|
||||
@ -320,7 +341,7 @@ source = smtp.message{
|
||||
body = {
|
||||
preamble = "If your client doesn't understand attachments, \r\n" ..
|
||||
"it will still display the preamble and the epilogue.\r\n" ..
|
||||
"Preamble might show up even in a MIME enabled client.",
|
||||
"Preamble will probably appear even in a MIME enabled client.",
|
||||
-- first part: no headers means plain text, us-ascii.
|
||||
-- The mime.eol low-level filter normalizes end-of-line markers.
|
||||
[1] = {
|
||||
|
||||
@ -39,6 +39,16 @@
|
||||
The <tt>socket</tt> namespace contains the core functionality of LuaSocket.
|
||||
</p>
|
||||
|
||||
<p>
|
||||
To obtain the <tt>socket</tt> namespace, run:
|
||||
</p>
|
||||
|
||||
<pre class=example>
|
||||
-- loads the socket module
|
||||
local socket = require("socket")
|
||||
</pre>
|
||||
|
||||
|
||||
<!-- debug ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ -->
|
||||
|
||||
<p class=name id=debug>
|
||||
@ -62,8 +72,9 @@ Converts a function that throws exceptions into a safe function.
|
||||
</p>
|
||||
|
||||
<p class=parameters>
|
||||
<tt>Funct</tt> is a function that calls
|
||||
<a href=#try><tt>try</tt></a> to throw exceptions.
|
||||
<tt>Func</tt> is a function that calls
|
||||
<a href=#try><tt>try</tt></a> (or <tt>assert</tt>, or <tt>error</tt>)
|
||||
to throw exceptions.
|
||||
</p>
|
||||
|
||||
<p class=return>
|
||||
@ -71,6 +82,13 @@ Returns an equivalent function that instead of throwing exceptions,
|
||||
returns <tt><b>nil</b></tt> followed by an error message.
|
||||
</p>
|
||||
|
||||
<p class=note>
|
||||
Note: Beware that if your function performs some illegal operation that
|
||||
raises an error, the protected function will catch the error and return it
|
||||
as a string. This is because the <a href=#try><tt>try</tt></a> function
|
||||
uses errors as the mechanism to throw exceptions.
|
||||
</p>
|
||||
|
||||
<!-- select +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ -->
|
||||
|
||||
<p class=name id=select>
|
||||
@ -88,8 +106,8 @@ see if it is OK to immediately write on them. <tt>Timeout</tt> is the
|
||||
maximum amount of time (in seconds) to wait for a change in status. A
|
||||
<tt><b>nil</b></tt>, negative or omitted <tt>timeout</tt> value allows the
|
||||
function to block indefinitely. <tt>Recvt</tt> and <tt>sendt</tt> can also
|
||||
be empty tables or <tt><b>nil</b></tt>. Non-socket values in the arrays
|
||||
will be silently ignored.
|
||||
be empty tables or <tt><b>nil</b></tt>. Non-socket values (or values with
|
||||
non-numeric indices) in the arrays will be silently ignored.
|
||||
</p>
|
||||
|
||||
<p class=return> The function returns a table with the sockets ready for
|
||||
@ -186,7 +204,7 @@ The function returns a source with the appropriate behavior.
|
||||
<!-- try ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ -->
|
||||
|
||||
<p class=name id=try>
|
||||
socket.<b>try(</b>ret<sub>1</sub>, ret<sub>2</sub> ... ret<sub>N</sub><b>)</b>
|
||||
socket.<b>try(</b>ret<sub>1</sub> [, ret<sub>2</sub> ... ret<sub>N</sub>]<b>)</b>
|
||||
</p>
|
||||
|
||||
<p class=description>
|
||||
@ -194,16 +212,14 @@ Throws an exception in case of error.
|
||||
</p>
|
||||
|
||||
<p class=parameters>
|
||||
<tt>Ret</tt><sub>1</sub>, <tt>ret</tt><sub>2</sub> ... <tt>ret</tt><sub>N</sub> can be arbitrary
|
||||
arguments, but are usually the return values of a function call that
|
||||
nested with the call to <tt>try</tt>.
|
||||
<tt>Ret</tt><sub>1</sub> to <tt>ret</tt><sub>N</sub> can be arbitrary
|
||||
arguments, but are usually the return values of a function call
|
||||
nested with <tt>try</tt>.
|
||||
</p>
|
||||
|
||||
<p class=return>
|
||||
The function returns <tt>ret</tt><sub>1</sub>, <tt>ret</tt><sub>2</sub> ...
|
||||
<tt>ret</tt><sub>N</sub> if
|
||||
<tt>ret</tt><sub>1</sub> is not <tt><b>nil</b></tt>. Otherwise, calls <tt>error</tt>
|
||||
passing <tt>ret</tt><sub>2</sub>.
|
||||
The function returns <tt>ret</tt><sub>1</sub> to <tt>ret</tt><sub>N</sub> if
|
||||
<tt>ret</tt><sub>1</sub> is not <tt><b>nil</b></tt>. Otherwise, it calls <tt>error</tt> passing <tt>ret</tt><sub>2</sub>.
|
||||
</p>
|
||||
|
||||
<pre class=example>
|
||||
@ -211,7 +227,7 @@ passing <tt>ret</tt><sub>2</sub>.
|
||||
c = socket.try(socket.connect("localhost", 80))
|
||||
</pre>
|
||||
|
||||
<!-- version ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ -->
|
||||
<!-- version ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ -->
|
||||
|
||||
<p class=name id=version>
|
||||
socket.<b>VERSION</b>
|
||||
|
||||
Loading…
Reference in New Issue
Block a user