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- fixed load-balancing (#480)

Browse Source 
- added fastcgi.map-extensions 


git-svn-id: svn://svn.lighttpd.net/lighttpd/branches/lighttpd-merge-1.4.x@962 152afb58-edef-0310-8abb-c4023f1b3aa9
svn/tags/lighttpd-1.4.11
Jan Kneschke 18 years ago
parent ca33bec31a
commit 9ec477a374
2 changed files with 78 additions and 28 deletions
Show Stats Download Patch File Download Diff File

18
doc/fastcgi.txt
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@ -77,6 +77,13 @@ fastcgi.debug
FastCGI module. Currently only 0 and 1 are used. Use 1 to
enable some debug output, 0 to disable it.
fastcgi.max-extensions
map multiple extensions to the same fastcgi server
Example: ::
fastcgi.map-extensions = ( ".php3" => ".php" )
fastcgi.server
tell the module where to send FastCGI requests to. Every
file-extension can have it own handler. Load-Balancing is
@ -138,7 +145,7 @@ fastcgi.server
:"disable-time": time to wait before a disabled backend is checked
again
:"allow-x-send-file": controls if X-LIGHTTPD-send-file headers
are allowed
are allowed
If bin-path is set:
@ -523,20 +530,11 @@ the external environement variables that should be available
to the php-process.
Perl
----
For Perl you have to install the FCGI module from CPAN.
TCL
---
For TCL ...
Skeleton for remote authorizer
==============================

88
src/mod_fastcgi.c
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@ -278,6 +278,8 @@ typedef struct {
typedef struct {
fcgi_exts *exts;
array *ext_mapping;
int debug;
} plugin_config;
@ -679,6 +681,7 @@ FREE_FUNC(mod_fastcgi_free) {
}
fastcgi_extensions_free(s->exts);
array_free(s->ext_mapping);
free(s);
}
@ -1082,6 +1085,7 @@ SETDEFAULTS_FUNC(mod_fastcgi_set_defaults) {
config_values_t cv[] = {
{ "fastcgi.server", NULL, T_CONFIG_LOCAL, T_CONFIG_SCOPE_CONNECTION }, /* 0 */
{ "fastcgi.debug", NULL, T_CONFIG_SHORT, T_CONFIG_SCOPE_CONNECTION }, /* 1 */
{ "fastcgi.map-extensions", NULL, T_CONFIG_ARRAY, T_CONFIG_SCOPE_CONNECTION }, /* 2 */
{ NULL, NULL, T_CONFIG_UNSET, T_CONFIG_SCOPE_UNSET }
};
@ -1094,9 +1098,11 @@ SETDEFAULTS_FUNC(mod_fastcgi_set_defaults) {
s = malloc(sizeof(plugin_config));
s->exts = fastcgi_extensions_init();
s->debug = 0;
s->ext_mapping = array_init();
cv[0].destination = s->exts;
cv[1].destination = &(s->debug);
cv[2].destination = s->ext_mapping;
p->config_storage[i] = s;
ca = ((data_config *)srv->config_context->data[i])->value;
@ -1529,6 +1535,7 @@ static int fcgi_reconnect(server *srv, handler_ctx *hctx) {
if (hctx->proc) {
hctx->proc->load--;
fcgi_proclist_sort_down(srv, hctx->host, hctx->proc);
hctx->host->load--;
}
/* perhaps another host gives us more luck */
@ -2898,6 +2905,7 @@ static handler_t fcgi_write_request(server *srv, handler_ctx *hctx) {
/* ok, we have the connection */
hctx->proc->load++;
hctx->host->load++;
hctx->proc->last_used = srv->cur_ts;
hctx->got_proc = 1;
@ -3039,7 +3047,7 @@ SUBREQUEST_FUNC(mod_fastcgi_handle_subrequest) {
for (k = 0, ndx = -1; k < hctx->ext->used; k++) {
host = hctx->ext->hosts[k];
/* we should have at least one proc that can do somthing */
/* we should have at least one proc that can do something */
if (host->active_procs == 0) continue;
if (used == -1 || host->load < used) {
@ -3368,6 +3376,7 @@ static int fcgi_patch_connection(server *srv, connection *con, plugin_data *p) {
PATCH(exts);
PATCH(debug);
PATCH(ext_mapping);
/* skip the first, the global context */
for (i = 1; i < srv->config_context->used; i++) {
@ -3385,6 +3394,8 @@ static int fcgi_patch_connection(server *srv, connection *con, plugin_data *p) {
PATCH(exts);
} else if (buffer_is_equal_string(du->key, CONST_STR_LEN("fastcgi.debug"))) {
PATCH(debug);
} else if (buffer_is_equal_string(du->key, CONST_STR_LEN("fastcgi.map-extensions"))) {
PATCH(ext_mapping);
}
}
}
@ -3414,34 +3425,75 @@ static handler_t fcgi_check_extension(server *srv, connection *con, void *p_d, i
s_len = fn->used - 1;
fcgi_patch_connection(srv, con, p);
/* check if extension matches */
for (k = 0; k < p->conf.exts->used; k++) {
/* fastcgi.map-extensions maps extensions to existing fastcgi.server entries
*
* fastcgi.map-extensions = ( ".php3" => ".php" )
*
* fastcgi.server = ( ".php" => ... )
*
* */
/* check if extension-mapping matches */
for (k = 0; k < p->conf.ext_mapping->used; k++) {
data_string *ds = (data_string *)p->conf.ext_mapping->data[k];
size_t ct_len; /* length of the config entry */
extension = p->conf.exts->exts[k];
if (ds->key->used == 0) continue;
if (extension->key->used == 0) continue;
ct_len = extension->key->used - 1;
ct_len = ds->key->used - 1;
if (s_len < ct_len) continue;
/* check extension in the form "/fcgi_pattern" */
if (*(extension->key->ptr) == '/' && strncmp(fn->ptr, extension->key->ptr, ct_len) == 0) {
break;
} else if (0 == strncmp(fn->ptr + s_len - ct_len, extension->key->ptr, ct_len)) {
/* check extension in the form ".fcg" */
/* found a mapping */
if (0 == strncmp(fn->ptr + s_len - ct_len, ds->key->ptr, ct_len)) {
/* check if we know the extension */
/* we can reuse k here */
for (k = 0; k < p->conf.exts->used; k++) {
extension = p->conf.exts->exts[k];
if (buffer_is_equal(ds->value, extension->key)) {
break;
}
}
if (k == p->conf.exts->used) {
/* found nothign */
extension = NULL;
}
break;
}
}
/* extension doesn't match */
if (k == p->conf.exts->used) {
return HANDLER_GO_ON;
if (extension == NULL) {
/* check if extension matches */
for (k = 0; k < p->conf.exts->used; k++) {
size_t ct_len; /* length of the config entry */
extension = p->conf.exts->exts[k];
if (extension->key->used == 0) continue;
ct_len = extension->key->used - 1;
if (s_len < ct_len) continue;
/* check extension in the form "/fcgi_pattern" */
if (*(extension->key->ptr) == '/' && strncmp(fn->ptr, extension->key->ptr, ct_len) == 0) {
break;
} else if (0 == strncmp(fn->ptr + s_len - ct_len, extension->key->ptr, ct_len)) {
/* check extension in the form ".fcg" */
break;
}
}
/* extension doesn't match */
if (k == p->conf.exts->used) {
return HANDLER_GO_ON;
}
}
/* get best server */
/* check if we have at least one server for this extension up and running */
for (k = 0; k < extension->used; k++) {
host = extension->hosts[k];

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