minimal-http-server-mimetypes
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@ -8,6 +8,7 @@ minimal-http-server-eventlib|Same as minimal-http-server but works with a suppor
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minimal-http-server-form-get|Process a GET form
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minimal-http-server-form-post-file|Process a multipart POST form with file transfer
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minimal-http-server-form-post|Process a POST form (no file transfer)
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minimal-http-server-mimetypes|Shows how to add support for additional mimetypes at runtime
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minimal-http-server-multivhost|Same as minimal-http-server but three different vhosts
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minimal-http-server-smp|Multiple service threads
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minimal-http-server-sse-ring|Server Side Events with ringbuffer and threaded event sources
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cmake_minimum_required(VERSION 2.8)
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include(CheckCSourceCompiles)
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set(SAMP lws-minimal-http-server-mimetypes)
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set(SRCS minimal-http-server-mimetypes.c)
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# If we are being built as part of lws, confirm current build config supports
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# reqconfig, else skip building ourselves.
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#
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# If we are being built externally, confirm installed lws was configured to
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# support reqconfig, else error out with a helpful message about the problem.
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#
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MACRO(require_lws_config reqconfig _val result)
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if (DEFINED ${reqconfig})
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if (${reqconfig})
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set (rq 1)
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else()
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set (rq 0)
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endif()
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else()
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set(rq 0)
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endif()
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if (${_val} EQUAL ${rq})
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set(SAME 1)
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else()
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set(SAME 0)
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endif()
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if (LWS_WITH_MINIMAL_EXAMPLES AND NOT ${SAME})
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if (${_val})
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message("${SAMP}: skipping as lws being built without ${reqconfig}")
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else()
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message("${SAMP}: skipping as lws built with ${reqconfig}")
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endif()
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set(${result} 0)
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else()
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if (LWS_WITH_MINIMAL_EXAMPLES)
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set(MET ${SAME})
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else()
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CHECK_C_SOURCE_COMPILES("#include <libwebsockets.h>\nint main(void) {\n#if defined(${reqconfig})\n return 0;\n#else\n fail;\n#endif\n return 0;\n}\n" HAS_${reqconfig})
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if (NOT DEFINED HAS_${reqconfig} OR NOT HAS_${reqconfig})
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set(HAS_${reqconfig} 0)
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else()
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set(HAS_${reqconfig} 1)
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endif()
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if ((HAS_${reqconfig} AND ${_val}) OR (NOT HAS_${reqconfig} AND NOT ${_val}))
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set(MET 1)
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else()
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set(MET 0)
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endif()
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endif()
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if (NOT MET)
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if (${_val})
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message(FATAL_ERROR "This project requires lws must have been configured with ${reqconfig}")
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else()
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message(FATAL_ERROR "Lws configuration of ${reqconfig} is incompatible with this project")
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endif()
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endif()
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endif()
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ENDMACRO()
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set(requirements 1)
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require_lws_config(LWS_ROLE_H1 1 requirements)
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require_lws_config(LWS_WITHOUT_SERVER 0 requirements)
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if (requirements)
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add_executable(${SAMP} ${SRCS})
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if (websockets_shared)
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target_link_libraries(${SAMP} websockets_shared)
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add_dependencies(${SAMP} websockets_shared)
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else()
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target_link_libraries(${SAMP} websockets)
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endif()
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endif()
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@ -0,0 +1,21 @@
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# lws minimal http server mimetypes
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This is the same as the basic minimal http server, but it demonstrates how to
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add support for extra mimetypes to a mount.
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## build
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```
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$ cmake . && make
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```
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## usage
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```
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$ ./lws-minimal-http-server
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[2018/03/04 09:30:02:7986] USER: LWS minimal http server | visit http://localhost:7681
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[2018/03/04 09:30:02:7986] NOTICE: Creating Vhost 'default' port 7681, 1 protocols, IPv6 on
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```
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Visit http://localhost:7681 and click on the link to download the test.tar.bz2 file.
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@ -0,0 +1,92 @@
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/*
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* lws-minimal-http-server
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*
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* Copyright (C) 2018 Andy Green <andy@warmcat.com>
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*
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* This file is made available under the Creative Commons CC0 1.0
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* Universal Public Domain Dedication.
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*
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* This demonstrates the most minimal http server you can make with lws.
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*
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* To keep it simple, it serves stuff from the subdirectory
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* "./mount-origin" of the directory it was started in.
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* You can change that by changing mount.origin below.
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*/
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#include <libwebsockets.h>
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#include <string.h>
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#include <signal.h>
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static int interrupted;
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static const struct lws_protocol_vhost_options pvo_mime = {
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NULL, /* "next" pvo linked-list */
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NULL, /* "child" pvo linked-list */
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".bz2", /* file suffix to match */
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"application/x-bzip2" /* mimetype to use */
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};
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static const struct lws_http_mount mount = {
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/* .mount_next */ NULL, /* linked-list "next" */
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/* .mountpoint */ "/", /* mountpoint URL */
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/* .origin */ "./mount-origin", /* serve from dir */
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/* .def */ "index.html", /* default filename */
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/* .protocol */ NULL,
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/* .cgienv */ NULL,
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/* .extra_mimetypes */ &pvo_mime,
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/* .interpret */ NULL,
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/* .cgi_timeout */ 0,
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/* .cache_max_age */ 0,
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/* .auth_mask */ 0,
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/* .cache_reusable */ 0,
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/* .cache_revalidate */ 0,
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/* .cache_intermediaries */ 0,
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/* .origin_protocol */ LWSMPRO_FILE, /* files in a dir */
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/* .mountpoint_len */ 1, /* char count */
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/* .basic_auth_login_file */ NULL,
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};
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void sigint_handler(int sig)
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{
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interrupted = 1;
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}
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int main(int argc, const char **argv)
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{
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struct lws_context_creation_info info;
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struct lws_context *context;
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const char *p;
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int n = 0, logs = LLL_USER | LLL_ERR | LLL_WARN | LLL_NOTICE
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/* for LLL_ verbosity above NOTICE to be built into lws,
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* lws must have been configured and built with
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* -DCMAKE_BUILD_TYPE=DEBUG instead of =RELEASE */
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/* | LLL_INFO */ /* | LLL_PARSER */ /* | LLL_HEADER */
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/* | LLL_EXT */ /* | LLL_CLIENT */ /* | LLL_LATENCY */
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/* | LLL_DEBUG */;
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signal(SIGINT, sigint_handler);
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if ((p = lws_cmdline_option(argc, argv, "-d")))
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logs = atoi(p);
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lws_set_log_level(logs, NULL);
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lwsl_user("LWS minimal http server | visit http://localhost:7681\n");
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memset(&info, 0, sizeof info); /* otherwise uninitialized garbage */
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info.port = 7681;
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info.mounts = &mount;
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info.error_document_404 = "/404.html";
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context = lws_create_context(&info);
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if (!context) {
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lwsl_err("lws init failed\n");
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return 1;
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}
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while (n >= 0 && !interrupted)
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n = lws_service(context, 1000);
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lws_context_destroy(context);
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return 0;
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}
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<meta charset="UTF-8">
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<html>
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<body>
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<img src="libwebsockets.org-logo.png"><br>
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<h1>404</h1>
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Sorry, that file doesn't exist.
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</body>
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</html>
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<meta charset="UTF-8">
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<html>
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<body>
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<img src="libwebsockets.org-logo.png"><br>
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Hello from the <b>minimal http server + mimetypes example</b>.
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<br>
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This shows how to teach a mount new bindings between file<br>
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suffix and mimetype used to serve it.<p>
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Lws has a bunch of built-in ones, but you can add as many<br>
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as you like when defining the mount.<p>
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For example, lws doesn't know the suffix <b>[.tar].bz2</b><br>
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implies the mimetype <i>application/x-bzip2</i>, but we taught<br>
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this mount about that relationship in the example code, so it<br>
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knows how to serve <a href="test.tar.bz2">this example test.tar.bz2</a>.
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</body>
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</html>
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