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-rw-r--r--source3/printing/spoolssd.c91
1 files changed, 31 insertions, 60 deletions
diff --git a/source3/printing/spoolssd.c b/source3/printing/spoolssd.c
index 038d3dbc12..774f67da1b 100644
--- a/source3/printing/spoolssd.c
+++ b/source3/printing/spoolssd.c
@@ -42,10 +42,11 @@
#define SPOOLSS_SPAWN_RATE 5
#define SPOOLSS_MIN_LIFE 60 /* 1 minute minimum life time */
-#define SPOOLSS_ALL_FINE 0x00
+#define SPOOLSS_INIT 0x00
#define SPOOLSS_NEW_MAX 0x01
#define SPOLLSS_ENOSPC 0x02
+static struct prefork_pool *spoolss_pool;
static int spoolss_min_children;
static int spoolss_max_children;
static int spoolss_spawn_rate;
@@ -60,7 +61,8 @@ static void spoolss_prefork_config(void)
int ret;
if (!spoolss_prefork_config_init) {
- spoolss_prefork_status = SPOOLSS_ALL_FINE;
+ spoolss_pool = NULL;
+ spoolss_prefork_status = SPOOLSS_INIT;
spoolss_min_children = 0;
spoolss_max_children = 0;
spoolss_spawn_rate = 0;
@@ -186,11 +188,6 @@ static void spoolss_setup_sig_term_handler(struct tevent_context *ev_ctx)
}
}
-struct spoolss_hup_ctx {
- struct messaging_context *msg_ctx;
- struct prefork_pool *pfp;
-};
-
static void spoolss_sig_hup_handler(struct tevent_context *ev,
struct tevent_signal *se,
int signum,
@@ -198,36 +195,29 @@ static void spoolss_sig_hup_handler(struct tevent_context *ev,
void *siginfo,
void *pvt)
{
- struct spoolss_hup_ctx *hup_ctx;
+ struct messaging_context *msg_ctx;
- hup_ctx = talloc_get_type_abort(pvt, struct spoolss_hup_ctx);
+ msg_ctx = talloc_get_type_abort(pvt, struct messaging_context);
DEBUG(1,("Reloading printers after SIGHUP\n"));
- update_conf(ev, hup_ctx->msg_ctx);
+ update_conf(ev, msg_ctx);
/* relay to all children */
- prefork_send_signal_to_all(hup_ctx->pfp, SIGHUP);
+ if (spoolss_pool) {
+ prefork_send_signal_to_all(spoolss_pool, SIGHUP);
+ }
}
static void spoolss_setup_sig_hup_handler(struct tevent_context *ev_ctx,
- struct prefork_pool *pfp,
struct messaging_context *msg_ctx)
{
- struct spoolss_hup_ctx *hup_ctx;
struct tevent_signal *se;
- hup_ctx = talloc(ev_ctx, struct spoolss_hup_ctx);
- if (!hup_ctx) {
- exit_server("failed to setup SIGHUP handler");
- }
- hup_ctx->pfp = pfp;
- hup_ctx->msg_ctx = msg_ctx;
-
se = tevent_add_signal(ev_ctx,
ev_ctx,
SIGHUP, 0,
spoolss_sig_hup_handler,
- hup_ctx);
+ msg_ctx);
if (!se) {
exit_server("failed to setup SIGHUP handler");
}
@@ -565,7 +555,6 @@ static void check_updater_child(void)
static bool spoolssd_schedule_check(struct tevent_context *ev_ctx,
struct messaging_context *msg_ctx,
- struct prefork_pool *pfp,
struct timeval current_time);
static void spoolssd_check_children(struct tevent_context *ev_ctx,
struct tevent_timer *te,
@@ -605,54 +594,37 @@ static void spoolssd_sigchld_handler(struct tevent_context *ev_ctx,
}
static bool spoolssd_setup_children_monitor(struct tevent_context *ev_ctx,
- struct messaging_context *msg_ctx,
- struct prefork_pool *pfp)
+ struct messaging_context *msg_ctx)
{
bool ok;
/* add our oun sigchld callback */
- prefork_set_sigchld_callback(pfp, spoolssd_sigchld_handler, msg_ctx);
+ prefork_set_sigchld_callback(spoolss_pool,
+ spoolssd_sigchld_handler, msg_ctx);
- ok = spoolssd_schedule_check(ev_ctx, msg_ctx, pfp,
+ ok = spoolssd_schedule_check(ev_ctx, msg_ctx,
tevent_timeval_current());
return ok;
}
-struct schedule_check_state {
- struct messaging_context *msg_ctx;
- struct prefork_pool *pfp;
-};
-
static bool spoolssd_schedule_check(struct tevent_context *ev_ctx,
struct messaging_context *msg_ctx,
- struct prefork_pool *pfp,
struct timeval current_time)
{
struct tevent_timer *te;
struct timeval next_event;
- struct schedule_check_state *state;
/* check situation again in 10 seconds */
next_event = tevent_timeval_current_ofs(10, 0);
- state = talloc(ev_ctx, struct schedule_check_state);
- if (!state) {
- DEBUG(0, ("Out of memory!\n"));
- return false;
- }
- state->msg_ctx = msg_ctx;
- state->pfp = pfp;
-
/* TODO: check when the socket becomes readable, so that children
* are checked only when there is some activity ? */
- te = tevent_add_timer(ev_ctx, pfp, next_event,
- spoolssd_check_children, state);
+ te = tevent_add_timer(ev_ctx, spoolss_pool, next_event,
+ spoolssd_check_children, msg_ctx);
if (!te) {
DEBUG(2, ("Failed to set up children monitoring!\n"));
- talloc_free(state);
return false;
}
- talloc_steal(te, state);
return true;
}
@@ -662,26 +634,27 @@ static void spoolssd_check_children(struct tevent_context *ev_ctx,
struct timeval current_time,
void *pvt)
{
- struct schedule_check_state *state;
+ struct messaging_context *msg_ctx;
+ time_t now = time(NULL);
int active, total;
int ret, n;
- state = talloc_get_type_abort(pvt, struct schedule_check_state);
+ msg_ctx = talloc_get_type_abort(pvt, struct messaging_context);
if ((spoolss_prefork_status & SPOOLSS_NEW_MAX) &&
!(spoolss_prefork_status & SPOLLSS_ENOSPC)) {
- ret = prefork_expand_pool(state->pfp, spoolss_max_children);
+ ret = prefork_expand_pool(spoolss_pool, spoolss_max_children);
if (ret == ENOSPC) {
spoolss_prefork_status |= SPOLLSS_ENOSPC;
}
spoolss_prefork_status &= ~SPOOLSS_NEW_MAX;
}
- active = prefork_count_active_children(state->pfp, &total);
+ active = prefork_count_active_children(spoolss_pool, &total);
if (total - active < spoolss_spawn_rate) {
- n = prefork_add_children(ev_ctx, state->msg_ctx,
- state->pfp, spoolss_spawn_rate);
+ n = prefork_add_children(ev_ctx, msg_ctx,
+ spoolss_pool, spoolss_spawn_rate);
if (n < spoolss_spawn_rate) {
DEBUG(10, ("Tried to start 5 children but only,"
"%d were actually started.!\n", n));
@@ -690,13 +663,13 @@ static void spoolssd_check_children(struct tevent_context *ev_ctx,
if (total - active > spoolss_min_children) {
if ((total - spoolss_min_children) >= spoolss_spawn_rate) {
- prefork_retire_children(state->pfp, spoolss_spawn_rate,
- time(NULL) - SPOOLSS_MIN_LIFE);
+ prefork_retire_children(spoolss_pool,
+ spoolss_spawn_rate,
+ now - SPOOLSS_MIN_LIFE);
}
}
- ret = spoolssd_schedule_check(ev_ctx, state->msg_ctx,
- state->pfp, current_time);
+ ret = spoolssd_schedule_check(ev_ctx, msg_ctx, current_time);
}
static void print_queue_forward(struct messaging_context *msg,
@@ -729,7 +702,6 @@ char *get_bq_logfile(void)
pid_t start_spoolssd(struct tevent_context *ev_ctx,
struct messaging_context *msg_ctx)
{
- struct prefork_pool *pool;
struct rpc_srv_callbacks spoolss_cb;
struct dcerpc_binding_vector *v;
TALLOC_CTX *mem_ctx;
@@ -790,7 +762,6 @@ pid_t start_spoolssd(struct tevent_context *ev_ctx,
exit(1);
}
-
/* start children before any more initialization is done */
ok = prefork_create_pool(ev_ctx, /* mem_ctx */
ev_ctx, msg_ctx,
@@ -798,10 +769,10 @@ pid_t start_spoolssd(struct tevent_context *ev_ctx,
spoolss_min_children,
spoolss_max_children,
&spoolss_children_main, NULL,
- &pool);
+ &spoolss_pool);
spoolss_setup_sig_term_handler(ev_ctx);
- spoolss_setup_sig_hup_handler(ev_ctx, pool, msg_ctx);
+ spoolss_setup_sig_hup_handler(ev_ctx, msg_ctx);
if (!serverid_register(procid_self(),
FLAG_MSG_GENERAL|FLAG_MSG_SMBD
@@ -869,7 +840,7 @@ pid_t start_spoolssd(struct tevent_context *ev_ctx,
talloc_free(mem_ctx);
- ok = spoolssd_setup_children_monitor(ev_ctx, msg_ctx, pool);
+ ok = spoolssd_setup_children_monitor(ev_ctx, msg_ctx);
if (!ok) {
DEBUG(0, ("Failed to setup children monitoring!\n"));
exit(1);
generated by cgit (git 2.34.1) at 2024-11-27 02:33:23 +0000