diff options
Diffstat (limited to 'lib/inets/doc/src/mod_esi.xml')
| -rw-r--r-- | lib/inets/doc/src/mod_esi.xml | 48 |
1 files changed, 27 insertions, 21 deletions
diff --git a/lib/inets/doc/src/mod_esi.xml b/lib/inets/doc/src/mod_esi.xml index 3c473d3f94..9674cd9a88 100644 --- a/lib/inets/doc/src/mod_esi.xml +++ b/lib/inets/doc/src/mod_esi.xml @@ -1,10 +1,10 @@ -<?xml version="1.0" encoding="latin1" ?> +<?xml version="1.0" encoding="iso-8859-1" ?> <!DOCTYPE erlref SYSTEM "erlref.dtd"> <erlref> <header> <copyright> - <year>1997</year><year>2010</year> + <year>1997</year><year>2011</year> <holder>Ericsson AB. All Rights Reserved.</holder> </copyright> <legalnotice> @@ -32,16 +32,19 @@ <modulesummary>Erlang Server Interface </modulesummary> <description> <p>This module defines the API - Erlang Server Interface (ESI). - Which is a more efficient way of writing erlang scripts - for your Inets web server than writing them as common CGI scripts.</p> + Which is a more efficient way of writing erlang scripts + for your Inets web server than writing them as common CGI scripts.</p> + + <marker id="deliver"></marker> </description> + <funcs> <func> <name>deliver(SessionID, Data) -> ok | {error, Reason}</name> <fsummary>Sends Data back to client.</fsummary> <type> <v>SessionID = term()</v> - <v>Data = string() | io_list()</v> + <v>Data = string() | io_list() | binary()</v> <v>Reason = term()</v> </type> <desc> @@ -51,13 +54,15 @@ parts of the content to the user.</p> <p>Sends data from a Erl Scheme script back to the client.</p> - <note><p>Note - that if any HTTP-header fields should be added by the - script they must be in the first call to deliver/2 and the - data in the call must be a string. Do not - assume anything about the data type of SessionID, the - SessionID must be the value given as input to the esi - call back function that you implemented.</p></note> + <note> + <p>Note that if any HTTP-header fields should be added by the + script they must be in the first call to deliver/2 and the + data in the call must be a string. Calls after the headers + are complete may contain binary data to reduce copying + overhead. Do not assume anything about the data type of + SessionID, the SessionID must be the value given as input to + the esi call back function that you implemented.</p> + </note> </desc> </func> </funcs> @@ -78,24 +83,24 @@ </type> <desc> <p>The <c>Module</c> must be found in the code path and export - <c>Function</c> with an arity of two. An erlScriptAlias must + <c>Function</c> with an arity of three. An erlScriptAlias must also be set up in the configuration file for the Web server.</p> - <p>If the HTTP request is a post request and a body is sent + <p>If the HTTP request is a 'post' request and a body is sent then content_length will be the length of the posted - data. If get is used query_string will be the data after + data. If 'get' is used query_string will be the data after <em>?</em> in the url.</p> <p>ParsedHeader is the HTTP request as a key value tuple list. The keys in parsed header will be the in lower case.</p> <p>SessionID is a identifier - the server use when <c>deliver/2</c> is called, do not - assume any-thing about the datatype.</p> + the server uses when <c>deliver/2</c> is called; do not + assume anything about the datatype.</p> <p>Use this callback function to dynamically generate dynamic web content. when a part of the page is generated send the data back to the client through <c>deliver/2</c>. Note that the first chunk of data sent to the client must at least contain all HTTP header fields that the response - will generate. If the first chunk not contains - <em>End of HTTP header</em> that is <c>"\r\n\r\n"</c> + will generate. If the first chunk does not contain the + <em>End of HTTP the header</em>, that is <c>"\r\n\r\n",</c> the server will assume that no HTTP header fields will be generated.</p> </desc> @@ -106,11 +111,12 @@ <type> <v>Env = [EnvironmentDirectives] ++ ParsedHeader</v> <v>EnvironmentDirectives = {Key,Value}</v> - <v>Key = query_string | content_length | server_software | gateway_interface | server_protocol | server_port | request_method | remote_addr | script_name. <v>Input = string()</v> + <v>Key = query_string | content_length | server_software | gateway_interface | server_protocol | server_port | request_method | remote_addr | script_name.</v> + <v>Input = string()</v> <v>Response = string()</v> </type> <desc> - <p>This callback format consumes quite much memory since the + <p>This callback format consumes a lot of memory since the whole response must be generated before it is sent to the user. This functions is deprecated and only keept for backwards compatibility. |