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authorSimon Rettberg2019-05-14 11:11:17 +0200
committerSimon Rettberg2019-05-14 11:11:17 +0200
commit26c0b77f5009e57230b1d4505c5d76c3336a0386 (patch)
tree70488570732bd249d762f8091959d6c54f5bc911 /src
parentLess debug spam (diff)
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Enforce minimum delay for RPC actions if user is active
Diffstat (limited to 'src')
-rw-r--r--src/main.c28
1 files changed, 21 insertions, 7 deletions
diff --git a/src/main.c b/src/main.c
index 4291b54..3501f5a 100644
--- a/src/main.c
+++ b/src/main.c
@@ -19,6 +19,7 @@
#define CAP_SLEEP(newval) do { if ( (newval) < sleepTime ) sleepTime = (newval); } while (0)
static time_t lastActivity;
+static int userCount;
// Tracked user sessions
#define USERS (50)
@@ -96,7 +97,7 @@ int main( int argc, char **argv )
for ( ;; ) {
int sleepTime = defaultSleep;
const int count = getUserList( users, USERS );
- int minIdleTime = -1;
+ userCount = count;
for ( idx = 0; idx < count; ++idx ) {
struct user * const usr = &users[idx];
if ( !usr->mark ) {
@@ -178,10 +179,6 @@ int main( int argc, char **argv )
}
//printf( "Have User %d: %s Locked %d (%+d) Idle %d (%+d) -- Leader: %d\n", idx, usr->user, (int)usr->lockTime, usr->lockTimeOffset, (int)usr->lastActivity, usr->lastActivityOffset, (int)usr->sessionLeader );
const int idleTime = NOW - usr->lastActivity;
- // Min of all sessions
- if ( idleTime >= 0 && idleTime < minIdleTime ) {
- minIdleTime = idleTime;
- }
// See if we need to shorten sleep time for a pending session kill
// or warn the user about an imminent session kill
// or whether the screen saver is supposed to activate
@@ -201,6 +198,7 @@ int main( int argc, char **argv )
}
usr->logoutTime = NOW + remaining;
}
+ // Update timestamp of last use of system
const time_t laMono = monoNOW - idleTime;
if ( laMono > lastActivity ) {
lastActivity = laMono;
@@ -251,7 +249,7 @@ int main( int argc, char **argv )
}
}
}
- if ( nextAction.deadline != 0 && ( count == 0 || minIdleTime >= config.minIdle || nextAction.force ) ) {
+ if ( nextAction.deadline != 0 && ( count == 0 || ( monoNOW - lastActivity ) >= config.minIdle || nextAction.force ) ) {
// Some action seems pending
const int remaining = nextAction.deadline - monoNOW;
if ( remaining < -60 ) {
@@ -282,7 +280,7 @@ int main( int argc, char **argv )
// Handle requests
rpcHandle( listenFd );
// Might have set a new scheduled action
- if ( nextAction.deadline != 0 && ( count == 0 || minIdleTime >= config.minIdle || nextAction.force ) ) {
+ if ( nextAction.deadline != 0 && nextAction.force ) {
int delta = nextAction.deadline - monoNOW;
CAP_SLEEP( delta );
}
@@ -516,11 +514,27 @@ struct user* main_getUser( const char *terminal )
return NULL;
}
+/**
+ * Called from RPC, only by root: Set the next action (but only
+ * if it's sooner than anything already pending)
+ */
void main_queueAction( enum Shutdown action, int delta )
{
if ( delta < 0 || action < 0 || action >= SHUTDOWN_ENUM_END )
return;
time_t monoNOW = now();
+ if ( userCount != 0 ) {
+ int idleTime = monoNOW - lastActivity;
+ if ( idleTime < 3600 ) {
+ if ( delta < 306 ) {
+ delta = 306;
+ }
+ } else if ( idleTime < 7200 ) {
+ if ( delta < 66 ) {
+ delta = 66;
+ }
+ }
+ }
if ( nextAction.deadline == 0 || ( nextAction.deadline - monoNOW - 3 ) > delta ) {
// Engage
nextAction.deadline = monoNOW + delta;