133 lines
6.6 KiB
Diff
133 lines
6.6 KiB
Diff
diff --git a/docs/manual/mod/mod_proxy_wstunnel.html.en b/docs/manual/mod/mod_proxy_wstunnel.html.en
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index 21ffbe2..16e1628 100644
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--- a/docs/manual/mod/mod_proxy_wstunnel.html.en
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+++ b/docs/manual/mod/mod_proxy_wstunnel.html.en
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@@ -60,14 +60,33 @@ NONE means you bypass the check for the header but still upgrade to WebSocket.
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ANY means that <code>Upgrade</code> will read in the request headers and use
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in the response <code>Upgrade</code></p>
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</div>
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-<div id="quickview"><a href="https://www.apache.org/foundation/contributing.html" class="badge"><img src="https://www.apache.org/images/SupportApache-small.png" alt="Support Apache!" /></a><h3 class="directives">Directives</h3>
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-<p>This module provides no
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- directives.</p>
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+<div id="quickview"><h3 class="directives">Directives</h3>
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+<ul id="toc">
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+<li><img alt="" src="../images/down.gif" /> <a href="#proxywebsocketidletimeout">ProxyWebsocketIdleTimeout</a></li>
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+</ul>
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+
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<h3>Bugfix checklist</h3><ul class="seealso"><li><a href="https://www.apache.org/dist/httpd/CHANGES_2.4">httpd changelog</a></li><li><a href="https://bz.apache.org/bugzilla/buglist.cgi?bug_status=__open__&list_id=144532&product=Apache%20httpd-2&query_format=specific&order=changeddate%20DESC%2Cpriority%2Cbug_severity&component=mod_proxy_wstunnel">Known issues</a></li><li><a href="https://bz.apache.org/bugzilla/enter_bug.cgi?product=Apache%20httpd-2&component=mod_proxy_wstunnel">Report a bug</a></li></ul><h3>See also</h3>
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<ul class="seealso">
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<li><code class="module"><a href="../mod/mod_proxy.html">mod_proxy</a></code></li>
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<li><a href="#comments_section">Comments</a></li></ul></div>
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+<div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div>
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+<div class="directive-section"><h2><a name="ProxyWebsocketIdleTimeout" id="ProxyWebsocketIdleTimeout">ProxyWebsocketIdleTimeout</a> <a name="proxywebsocketidletimeout" id="proxywebsocketidletimeout">Directive</a> <a title="Permanent link" href="#proxywebsocketidletimeout" class="permalink">¶</a></h2>
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+<table class="directive">
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+<tr><th><a href="directive-dict.html#Description">Description:</a></th><td>Sets the maximum amount of time to wait for data on the websockets tunnel</td></tr>
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+<tr><th><a href="directive-dict.html#Syntax">Syntax:</a></th><td><code>ProxyWebsocketIdleTimeout <var>num</var>[ms]</code></td></tr>
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+<tr><th><a href="directive-dict.html#Default">Default:</a></th><td><code>ProxyWebsocketIdleTimeout 0</code></td></tr>
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+<tr><th><a href="directive-dict.html#Context">Context:</a></th><td>server config, virtual host</td></tr>
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+<tr><th><a href="directive-dict.html#Status">Status:</a></th><td>Extension</td></tr>
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+<tr><th><a href="directive-dict.html#Module">Module:</a></th><td>mod_proxy_wstunnel</td></tr>
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+</table>
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+ <p>This directive imposes a maximum amount of time for the tunnel to be
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+ left open while idle. The timeout is considered in seconds by default, but
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+ it is possible to increase the time resolution to milliseconds
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+ adding the <em>ms</em> suffix.</p>
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+
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+</div>
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+
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</div>
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<div class="bottomlang">
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<p><span>Available Languages: </span><a href="../en/mod/mod_proxy_wstunnel.html" title="English"> en </a> |
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diff --git a/modules/proxy/mod_proxy_wstunnel.c b/modules/proxy/mod_proxy_wstunnel.c
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index 4aadbab..ca3ed3a 100644
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--- a/modules/proxy/mod_proxy_wstunnel.c
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+++ b/modules/proxy/mod_proxy_wstunnel.c
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@@ -18,6 +18,10 @@
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module AP_MODULE_DECLARE_DATA proxy_wstunnel_module;
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+typedef struct {
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+ apr_time_t idle_timeout;
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+} proxyws_dir_conf;
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+
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/*
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* Canonicalise http-like URLs.
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* scheme is the scheme for the URL
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@@ -108,6 +112,8 @@ static int proxy_wstunnel_request(apr_pool_t *p, request_rec *r,
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conn_rec *c = r->connection;
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apr_socket_t *sock = conn->sock;
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conn_rec *backconn = conn->connection;
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+ proxyws_dir_conf *dconf = ap_get_module_config(r->per_dir_config,
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+ &proxy_wstunnel_module);
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char *buf;
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apr_bucket_brigade *header_brigade;
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apr_bucket *e;
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@@ -185,10 +191,13 @@ static int proxy_wstunnel_request(apr_pool_t *p, request_rec *r,
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c->keepalive = AP_CONN_CLOSE;
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do { /* Loop until done (one side closes the connection, or an error) */
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- rv = apr_pollset_poll(pollset, -1, &pollcnt, &signalled);
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+ rv = apr_pollset_poll(pollset, dconf->idle_timeout, &pollcnt, &signalled);
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if (rv != APR_SUCCESS) {
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if (APR_STATUS_IS_EINTR(rv)) {
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continue;
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+ } else if(APR_STATUS_IS_TIMEUP(rv)){
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+ ap_log_rerror(APLOG_MARK, APLOG_ERR, rv, r, "RH: the connection has timed out");
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+ return HTTP_REQUEST_TIME_OUT;
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}
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ap_log_rerror(APLOG_MARK, APLOG_ERR, rv, r, APLOGNO(02444) "error apr_poll()");
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return HTTP_INTERNAL_SERVER_ERROR;
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@@ -366,6 +375,38 @@ cleanup:
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return status;
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}
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+static const char * proxyws_set_idle(cmd_parms *cmd, void *conf, const char *val)
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+{
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+ proxyws_dir_conf *dconf = conf;
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+ if (ap_timeout_parameter_parse(val, &(dconf->idle_timeout), "s") != APR_SUCCESS)
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+ return "ProxyWebsocketIdleTimeout timeout has wrong format";
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+
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+ if (dconf->idle_timeout < 0)
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+ return "ProxyWebsocketIdleTimeout timeout has to be a non-negative number";
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+
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+ if (!dconf->idle_timeout) dconf->idle_timeout = -1; /* loop indefinitely */
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+
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+ return NULL;
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+}
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+
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+static void *create_proxyws_dir_config(apr_pool_t *p, char *dummy)
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+{
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+ proxyws_dir_conf *new =
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+ (proxyws_dir_conf *) apr_pcalloc(p, sizeof(proxyws_dir_conf));
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+
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+ new->idle_timeout = -1; /* no timeout */
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+
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+ return (void *) new;
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+}
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+
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+static const command_rec ws_proxy_cmds[] =
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+{
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+ AP_INIT_TAKE1("ProxyWebsocketIdleTimeout", proxyws_set_idle, NULL, RSRC_CONF|ACCESS_CONF,
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+ "timeout for activity in either direction, unlimited by default."),
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+
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+ {NULL}
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+};
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+
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static void ap_proxy_http_register_hook(apr_pool_t *p)
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{
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proxy_hook_scheme_handler(proxy_wstunnel_handler, NULL, NULL, APR_HOOK_FIRST);
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@@ -374,10 +415,10 @@ static void ap_proxy_http_register_hook(apr_pool_t *p)
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AP_DECLARE_MODULE(proxy_wstunnel) = {
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STANDARD20_MODULE_STUFF,
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- NULL, /* create per-directory config structure */
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+ create_proxyws_dir_config, /* create per-directory config structure */
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NULL, /* merge per-directory config structures */
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NULL, /* create per-server config structure */
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NULL, /* merge per-server config structures */
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- NULL, /* command apr_table_t */
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+ ws_proxy_cmds, /* command apr_table_t */
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ap_proxy_http_register_hook /* register hooks */
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};
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