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https://github.com/warmcat/libwebsockets.git
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b490079b47
This allows you to set a 404 handler URL on a vhost.
The necessary user code looks like...
info.error_document_404 = "/404.html";
... at vhost-creation time.
In the existing lws_return_http_status() api, if it sees
the vhost has an "error_document_404" path set and that
we are trying to report a 404, it changes the action
instead to a redirect to the error_document_404 path.
The redirect target is returned using 404 status code.
If the redirect target doesn't exist, then it falls back
to just reporting the simple canned 404.
76 lines
1.8 KiB
C
76 lines
1.8 KiB
C
/*
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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 in the directory it was started in.
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* You can change that by changing mount.origin
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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_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 */ ".", /* 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 */ NULL,
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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, 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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int n = 0;
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signal(SIGINT, sigint_handler);
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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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lws_set_log_level(LLL_ERR | LLL_WARN | LLL_NOTICE | LLL_USER
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/* | LLL_INFO */ /* | LLL_DEBUG */, NULL);
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lwsl_user("LWS minimal http server | visit http://localhost:7681\n");
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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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