--- a/src/daemon.c +++ b/src/daemon.c @@ -252,6 +252,7 @@ void initdstate(DSTATE *s) s->sync = 0; s->forcesave = 0; s->noadd = 0; + s->noexit = 0; s->initdb = 0; s->iflisthash = 0; s->cfgfile[0] = '\0'; @@ -282,6 +283,9 @@ void preparedatabase(DSTATE *s) } if (s->noadd) { + if (s->noexit) { + return; + } printf("No interfaces found in database, exiting.\n"); exit(EXIT_FAILURE); } @@ -300,6 +304,9 @@ void preparedatabase(DSTATE *s) } if (!addinterfaces(s) && s->dbifcount == 0) { + if (s->noexit) { + return; + } printf("Nothing to do, exiting.\n"); exit(EXIT_FAILURE); } --- a/src/daemon.h +++ b/src/daemon.h @@ -4,7 +4,7 @@ typedef struct { int updateinterval, saveinterval; short running, dodbsave, rundaemon; - short dbsaved, showhelp, sync, forcesave, noadd, initdb; + short dbsaved, showhelp, sync, forcesave, noadd, noexit, initdb; short bootdetected, cleanuphour, dbretrycount; uint32_t iflisthash; uint64_t dbifcount; --- a/src/vnstatd.c +++ b/src/vnstatd.c @@ -249,6 +249,7 @@ void showhelp(void) printf(" --config select used config file\n"); printf(" --noadd prevent startup if database has no interfaces\n"); printf(" --alwaysadd [mode] automatically start monitoring all new interfaces\n"); + printf(" --noexit keep running even when database has no interfaces\n"); printf(" --initdb create empty database and exit\n\n"); printf("See also \"man vnstatd\".\n"); @@ -322,6 +323,8 @@ void parseargs(DSTATE *s, int argc, char } else { cfg.alwaysadd = 1; } + } else if (strcmp(argv[currentarg], "--noexit") == 0) { + s->noexit = 1; } else if (strcmp(argv[currentarg], "--initdb") == 0) { s->initdb = 1; s->showhelp = 0;