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@@ -33,11 +33,14 @@ Daniel-Constantin Mierla
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4.1.
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+ 5. Config File
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+
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List of Examples
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1.1. Set header_name parameter
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1.2. Set header_value parameter
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1.3. Set sanity_checks parameter
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+ 1.4. Enable body compression
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Chapter 1. Admin Guide
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@@ -59,11 +62,14 @@ Chapter 1. Admin Guide
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4.1.
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+ 5. Config File
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+
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1. Overview
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This module is able to detect compressed body in received SIP message
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and decompress it as well as compress the body for outgoing SIP
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- message.
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+ message. It works also for received HTTP request and replied HTTP
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+ response (Kamailio cannot work in HTTP proxy mode).
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The decision of whether to do compression or decompression is made by
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detecting a special SIP header (default 'Content-Encoding') that
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@@ -160,3 +166,63 @@ modparam("gzcompress", "sanity_checks", 1)
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4.1.
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None.
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+
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+5. Config File
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+
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+ Next example shows how to enable compression for forwarded requests, as
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+ well as replying with compressed body for HTTP requests. For SIP, the
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+ request is recevied and forwarded to itself once, just for the sake of
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+ showing a simple example.
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+
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+ Example 1.4. Enable body compression
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+...
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+
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+#!KAMAILIO
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+
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+debug=3
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+memdbg=5
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+memlog=5
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+
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+children=2
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+
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+log_stderror=yes
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+listen=udp:127.0.0.1:5060
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+listen=tcp:127.0.0.1:5060
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+
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+tcp_accept_no_cl=yes
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+http_reply_parse=yes
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+
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+mpath="modules/"
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+
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+loadmodule "sl.so"
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+loadmodule "pv.so"
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+loadmodule "xlog.so"
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+loadmodule "corex.so"
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+loadmodule "textops.so"
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+loadmodule "xhttp.so"
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+loadmodule "gzcompress.so"
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+
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+modparam("gzcompress", "header_value", "deflate")
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+
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+request_route {
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+ xlog("received sip request from $si:$sp\r\n");
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+
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+ if(src_port==5060) {
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+ remove_hf("Content-Encoding");
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+ $du = "sip:127.0.0.1:9";
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+ } else {
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+ append_hf("Content-Encoding: gzip\r\n");
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+ $du = "sip:127.0.0.1:5060";
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+ }
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+ forward();
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+ exit;
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+}
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+
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+event_route[xhttp:request] {
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+ xlog("received http request from $si:$sp\r\n");
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+ append_to_reply("Content-Encoding: deflate\r\n");
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+ xhttp_reply("200", "OK", "text/html",
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+ "<html><body>OK - [$si:$sp]</body></html>");
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+}
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+
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+...
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Daniel-Constantin Mierla