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Code Issues Wiki

Add plugin hooks for server state machine changes

personal/stbuehler/wip
Stefan Bühler 2010-02-13 15:41:09 +01:00
parent 30ebce774e
commit 905a83fc77
4 changed files with 90 additions and 17 deletions
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10
include/lighttpd/plugin.h
View File

@ -17,8 +17,8 @@ typedef liAction*(*liPluginCreateActionCB) (liServer *srv, liPlugin *p, liValue
typedef gboolean (*liPluginSetupCB) (liServer *srv, liPlugin *p, liValue *val, gpointer userdata);
typedef void (*liPluginAngelCB) (liServer *srv, liPlugin *p, gint32 id, GString *data);
typedef void (*liPluginServerPrepareWorker)(liServer *srv, liPlugin *p, liWorker *wrk);
typedef void (*liPluginServerPrepare)(liServer *srv, liPlugin *p);
typedef void (*liPluginServerStateWorker)(liServer *srv, liPlugin *p, liWorker *wrk);
typedef void (*liPluginServerState)(liServer *srv, liPlugin *p);
typedef void (*liPluginHandleCloseCB) (liConnection *con, liPlugin *p);
typedef liHandlerResult(*liPluginHandleVRequestCB)(liVRequest *vr, liPlugin *p);
@ -33,8 +33,6 @@ struct liPlugin {
size_t opt_base_index, optptr_base_index;
gboolean ready_for_next_state; /**< don't modify this; use li_plugin_ready_for_state() instead */
liPluginFreeCB free; /**< called before plugin is unloaded */
liPluginHandleVRequestCB handle_request_body;
@ -47,6 +45,10 @@ struct liPlugin {
/** called for every plugin after vrequest got reset */
liPluginHandleVRCloseCB handle_vrclose;
liPluginServerStateWorker handle_prepare_worker; /**< called in the worker thread context once before running the workers */
/* server state machine hooks */
liPluginServerState handle_prepare, handle_start_listen, handle_stop_listen, handle_start_log, handle_stop_log;
const liPluginOption *options;
const liPluginOptionPtr *optionptrs;
const liPluginAction *actions;

1
include/lighttpd/server.h
View File

@ -132,7 +132,6 @@ struct liServer {
LI_API liServer* li_server_new(const gchar *module_dir);
LI_API void li_server_free(liServer* srv);
LI_API gboolean li_server_loop_init(liServer *srv);
LI_API gboolean li_server_worker_init(liServer *srv);
LI_API liServerSocket* li_server_listen(liServer *srv, int fd);

73
src/main/plugin.c
View File

@ -590,21 +590,82 @@ static void li_plugin_free_default_options(liServer *srv, liPlugin *p) {
}
void li_plugins_prepare_worker(liWorker *wrk) { /* blocking callbacks */
/* TODO */
GHashTableIter iter;
liPlugin *p;
gpointer v;
liServer *srv = wrk->srv;
g_hash_table_iter_init(&iter, srv->plugins);
while (g_hash_table_iter_next(&iter, NULL, &v)) {
p = (liPlugin*) v;
if (p->handle_prepare_worker) {
p->handle_prepare_worker(srv, p, wrk);
}
}
}
void li_plugins_prepare(liServer* srv) { /* "prepare", async */
/* TODO */
GHashTableIter iter;
liPlugin *p;
gpointer v;
g_hash_table_iter_init(&iter, srv->plugins);
while (g_hash_table_iter_next(&iter, NULL, &v)) {
p = (liPlugin*) v;
if (p->handle_prepare) {
p->handle_prepare(srv, p);
}
}
}
void li_plugins_start_listen(liServer *srv) { /* "warmup" */
/* TODO */
GHashTableIter iter;
liPlugin *p;
gpointer v;
g_hash_table_iter_init(&iter, srv->plugins);
while (g_hash_table_iter_next(&iter, NULL, &v)) {
p = (liPlugin*) v;
if (p->handle_start_listen) {
p->handle_start_listen(srv, p);
}
}
}
void li_plugins_stop_listen(liServer *srv) { /* "prepare suspend", async */
/* TODO */
GHashTableIter iter;
liPlugin *p;
gpointer v;
g_hash_table_iter_init(&iter, srv->plugins);
while (g_hash_table_iter_next(&iter, NULL, &v)) {
p = (liPlugin*) v;
if (p->handle_stop_listen) {
p->handle_stop_listen(srv, p);
}
}
}
void li_plugins_start_log(liServer *srv) { /* "run" */
/* TODO */
GHashTableIter iter;
liPlugin *p;
gpointer v;
g_hash_table_iter_init(&iter, srv->plugins);
while (g_hash_table_iter_next(&iter, NULL, &v)) {
p = (liPlugin*) v;
if (p->handle_start_log) {
p->handle_start_log(srv, p);
}
}
}
void li_plugins_stop_log(liServer *srv) { /* "suspend now" */
/* TODO */
GHashTableIter iter;
liPlugin *p;
gpointer v;
g_hash_table_iter_init(&iter, srv->plugins);
while (g_hash_table_iter_next(&iter, NULL, &v)) {
p = (liPlugin*) v;
if (p->handle_stop_log) {
p->handle_stop_log(srv, p);
}
}
}

23
src/main/server.c
View File

@ -280,6 +280,7 @@ void li_server_free(liServer* srv) {
static gpointer server_worker_cb(gpointer data) {
liWorker *wrk = (liWorker*) data;
li_plugins_prepare_worker(wrk);
li_worker_run(wrk);
return NULL;
}
@ -318,7 +319,7 @@ static void li_server_1sec_timer(struct ev_loop *loop, ev_timer *w, int revents)
}
}
gboolean li_server_worker_init(liServer *srv) {
static gboolean li_server_worker_init(liServer *srv) {
struct ev_loop *loop = srv->loop;
guint i;
@ -336,7 +337,6 @@ gboolean li_server_worker_init(liServer *srv) {
srv->main_worker = g_array_index(srv->workers, liWorker*, 0) = li_worker_new(srv, loop);
srv->main_worker->ndx = 0;
for (i = 1; i < srv->worker_count; i++) {
GError *error = NULL;
liWorker *wrk;
if (NULL == (loop = ev_loop_new(srv->loop_flags))) {
li_fatal ("could not create extra libev loops");
@ -344,15 +344,24 @@ gboolean li_server_worker_init(liServer *srv) {
}
wrk = g_array_index(srv->workers, liWorker*, i) = li_worker_new(srv, loop);
wrk->ndx = i;
if (NULL == (wrk->thread = g_thread_create(server_worker_cb, wrk, TRUE, &error))) {
g_error ( "g_thread_create failed: %s", error->message );
return FALSE;
}
}
return TRUE;
}
static void li_server_worker_run(liServer *srv) {
guint i;
li_plugins_prepare_worker(srv->main_worker);
for (i = 1; i < srv->worker_count; i++) {
GError *error = NULL;
liWorker *wrk = g_array_index(srv->workers, liWorker*, i);
if (NULL == (wrk->thread = g_thread_create(server_worker_cb, wrk, TRUE, &error))) {
g_error ( "g_thread_create failed: %s", error->message );
}
}
}
static void server_connection_limit_hit(liServer *srv) {
guint i;
@ -760,6 +769,8 @@ void li_server_reached_state(liServer *srv, liServerState state) {
case LI_SERVER_SUSPENDED:
if (LI_SERVER_SUSPENDING == old_state) {
li_plugins_stop_log(srv);
} else if (LI_SERVER_LOADING == old_state) {
li_server_worker_run(srv);
}
break;
case LI_SERVER_WARMUP: