diff options
Diffstat (limited to 'src/faketime.c')
| -rw-r--r-- | src/faketime.c | 58 |
1 files changed, 53 insertions, 5 deletions
diff --git a/src/faketime.c b/src/faketime.c index 3b6e69a..1745380 100644 --- a/src/faketime.c +++ b/src/faketime.c @@ -457,6 +457,7 @@ static time_t _ftpl_time(time_t *time_tptr) { /* initialize our result with the real current time */ result = (*real_time)(time_tptr); #endif + return result; } @@ -628,6 +629,17 @@ time_t fake_time(time_t *time_tptr) { static time_t last_data_fetch = 0; /* not fetched previously at first call */ static int cache_expired = 1; /* considered expired at first call */ static int cache_duration = 10; /* cache fake time input for 10 seconds */ + +#ifdef LIMITEDFAKING + static long callcounter = 0; + static int limited_initialized = 0; + char envvarbuf[32]; + static long FAKETIME_START_AFTER_SECONDS = -1; + static long FAKETIME_STOP_AFTER_SECONDS = -1; + static long FAKETIME_START_AFTER_NUMCALLS = -1; + static long FAKETIME_STOP_AFTER_NUMCALLS = -1; +#endif + /* * This no longer appears to be necessary in Mac OS X 10.7 Lion */ @@ -644,13 +656,49 @@ static pthread_mutex_t time_mutex=PTHREAD_MUTEX_INITIALIZER; /* Sanity check by Karl Chan since v0.8 */ if (time_tptr == NULL) return -1; +#ifdef LIMITEDFAKING + /* Check whether we actually should be faking the returned timestamp. */ + + if (ftpl_starttime > 0) { + if (limited_initialized == 0) { + if (getenv("FAKETIME_START_AFTER_SECONDS") != NULL) { + (void) strncpy(envvarbuf, getenv("FAKETIME_START_AFTER_SECONDS"), 30); + FAKETIME_START_AFTER_SECONDS = atol(envvarbuf); + } + if (getenv("FAKETIME_STOP_AFTER_SECONDS") != NULL) { + (void) strncpy(envvarbuf, getenv("FAKETIME_STOP_AFTER_SECONDS"), 30); + FAKETIME_STOP_AFTER_SECONDS = atol(envvarbuf); + } + if (getenv("FAKETIME_START_AFTER_NUMCALLS") != NULL) { + (void) strncpy(envvarbuf, getenv("FAKETIME_START_AFTER_NUMCALLS"), 30); + FAKETIME_START_AFTER_NUMCALLS = atol(envvarbuf); + } + if (getenv("FAKETIME_STOP_AFTER_NUMCALLS") != NULL) { + (void) strncpy(envvarbuf, getenv("FAKETIME_STOP_AFTER_NUMCALLS"), 30); + FAKETIME_STOP_AFTER_NUMCALLS = atol(envvarbuf); + } + limited_initialized = 1; + } + if ((callcounter + 1) >= callcounter) callcounter++; + + /* For debugging, output #seconds and #calls */ + /* fprintf(stderr, "(libfaketime limits -> runtime: %lu, callcounter: %lu\n", (*time_tptr - ftpl_starttime), callcounter); */ + if ((FAKETIME_START_AFTER_SECONDS != -1) && ((*time_tptr - ftpl_starttime) < FAKETIME_START_AFTER_SECONDS)) return *time_tptr; + if ((FAKETIME_STOP_AFTER_SECONDS != -1) && ((*time_tptr - ftpl_starttime) >= FAKETIME_STOP_AFTER_SECONDS)) return *time_tptr; + if ((FAKETIME_START_AFTER_NUMCALLS != -1) && (callcounter < FAKETIME_START_AFTER_NUMCALLS)) return *time_tptr; + if ((FAKETIME_STOP_AFTER_NUMCALLS != -1) && (callcounter >= FAKETIME_STOP_AFTER_NUMCALLS)) return *time_tptr; + /* fprintf(stderr, "(libfaketime limits -> runtime: %lu, callcounter: %lu continues\n", (*time_tptr - ftpl_starttime), callcounter); */ + + } +#endif + if (last_data_fetch > 0) { - if ((*time_tptr - last_data_fetch) > cache_duration) { - cache_expired = 1; - } + if ((*time_tptr - last_data_fetch) > cache_duration) { + cache_expired = 1; + } else { - cache_expired = 0; - } + cache_expired = 0; + } } #ifdef NO_CACHING |