END_TEST
START_TEST(dbcheck_with_filled_cache)
{
int forcesave = 0;
linuxonly;
initdb();
defaultcfg();
disable_logprints();
ck_assert_int_eq(remove_directory(TESTDIR), 1);
ck_assert_int_eq(cachecount(), 0);
strcpy(data.interface, "ethbasic");
ck_assert_int_eq(cacheupdate(), 1);
strcpy(data.interface, "ethactive");
ck_assert_int_eq(cacheupdate(), 1);
strcpy(data.interface, "ethnotactive");
data.active = 0;
ck_assert_int_eq(cacheupdate(), 1);
ck_assert_int_eq(cachecount(), 3);
ck_assert_int_eq(cacheactivecount(), 2);
fake_proc_net_dev("w", "ethbasic", 1, 2, 3, 4);
fake_proc_net_dev("a", "ethnotactive", 5, 6, 7, 8);
ck_assert_int_ne(dbcheck(0, &forcesave), 0);
ck_assert_int_eq(forcesave, 1);
}
END_TEST
START_TEST(database_outputs_do_not_crash)
{
int i;
initdb();
defaultcfg();
strcpy(data.interface, "something");
strcpy(data.nick, "nothing");
data.totalrx = 1;
data.totaltx = 2;
data.currx = 3;
data.curtx = 4;
data.totalrxk = 5;
data.totaltxk = 6;
data.btime = 7;
for (i=0; i<30; i++) {
data.day[i].date = i+1;
data.day[i].rx = data.day[i].tx = i*100;
data.day[i].rxk = data.day[i].txk = i;
data.day[i].used = 1;
}
for (i=0; i<10; i++) {
data.top10[i].date = i+1;
data.top10[i].rx = data.top10[i].tx = i*100;
data.top10[i].rxk = data.top10[i].txk = i;
data.top10[i].used = 1;
}
for (i=0; i<12; i++) {
data.month[i].month = i+1;
data.month[i].rx = data.month[i].tx = i*100;
data.month[i].rxk = data.month[i].txk = i;
data.month[i].used = 1;
}
for (i=0; i<24; i++) {
data.hour[i].date = i+1;
data.hour[i].rx = data.hour[i].tx = i*100;
}
suppress_output();
showdb(0);
showdb(1);
showdb(2);
showdb(3);
showdb(4);
showdb(5);
showdb(6);
showdb(7);
showdb(8);
showdb(9);
}
END_TEST
START_TEST(printcfgfile_default)
{
defaultcfg();
ck_assert_int_eq(ibwadd("name1", 1), 1);
ck_assert_int_eq(ibwadd("name2", 2), 1);
suppress_output();
printcfgfile();
}
END_TEST
START_TEST(mosecs_does_not_change_struct_tm_pointer_content)
{
struct tm *stm;
time_t current;
current = time(NULL);
stm = localtime(¤t);
defaultcfg();
ck_assert_int_eq(cfg.monthrotate, 1);
ck_assert_int_eq(current, timelocal(stm));
ck_assert_int_ne(mosecs(1, 2), 0);
ck_assert_int_ne(mosecs(1, 2), 1);
ck_assert_int_eq(current, timelocal(stm));
}
END_TEST
START_TEST(mosecs_return_values)
{
time_t a, b;
defaultcfg();
cfg.monthrotate = 1;
ck_assert_int_eq(mosecs(0, 0), 1);
a = mosecs(172800, 173000);
ck_assert_int_gt(a, 1);
cfg.monthrotate = 2;
b = mosecs(172800, 173000);
ck_assert_int_gt(b, 1);
ck_assert_int_gt(a, b);
}
END_TEST
START_TEST(cachestatus_full)
{
int i;
char buffer[8];
initdb();
defaultcfg();
disable_logprints();
ck_assert_int_eq(cachecount(), 0);
for (i=1; i<=50; i++) {
snprintf(buffer, 8, "name%d", i);
ck_assert_int_eq(cacheadd(buffer, 0), 1);
ck_assert_int_eq(ibwadd(buffer, 50-i), 1);
}
ck_assert_int_eq(cachecount(), 50);
cachestatus();
}
END_TEST
START_TEST(showbar_with_half_and_half)
{
int pipe, len;
char buffer[512];
memset(&buffer, '\0', sizeof(buffer));
defaultcfg();
cfg.rxchar[0] = 'r';
cfg.txchar[0] = 't';
pipe = pipe_output();
len = showbar(0, 1, 0, 1, 2, 10);
ck_assert_int_eq(len, 10);
fflush(stdout);
len = read(pipe, buffer, 512);
ck_assert_str_eq(buffer, " rrrrrttttt");
}
END_TEST
START_TEST(showbar_can_also_do_mb_calculations)
{
int pipe, len;
char buffer[512];
memset(&buffer, '\0', sizeof(buffer));
defaultcfg();
cfg.rxchar[0] = 'r';
cfg.txchar[0] = 't';
pipe = pipe_output();
len = showbar(0, 1024, 0, 1024, 2048, 2);
ck_assert_int_eq(len, 2);
fflush(stdout);
len = read(pipe, buffer, 512);
ck_assert_str_eq(buffer, " rt");
}
END_TEST
START_TEST(timeused_tracks_used_time)
{
int i, j = 0;
double used;
defaultcfg();
used = timeused("quick_func", 1);
ck_assert(used == 0.0);
/* assume that this spends some non-zero time */
for (i = 0; i < 10000; i++) {
j = j + 2;
}
used = timeused("quick_func", 0);
ck_assert(used > 0.0);
}
END_TEST
START_TEST(mosecs_does_not_change_tz)
{
#if defined(_SVID_SOURCE) || defined(_XOPEN_SOURCE) || defined(__APPLE__) || defined(__linux__)
extern long timezone;
#else
long timezone = 0;
#endif
long timezone_before_call;
tzset();
timezone_before_call = timezone;
defaultcfg();
ck_assert_int_eq(cfg.monthrotate, 1);
ck_assert_int_ne(mosecs(1, 2), 0);
ck_assert_int_ne(mosecs(1, 2), 1);
ck_assert_int_eq(timezone_before_call, timezone);
}
END_TEST
START_TEST(timeused_debug_does_not_output_anything_when_debug_is_disabled)
{
int pipe, len;
char buffer[512];
memset(&buffer, '\0', sizeof(buffer));
defaultcfg();
debug = 0;
pipe = pipe_output();
/* the assumption here is that the next two steps
can always execute in less than one second resulting
in a duration that starts with a zero */
timeused_debug("other_func", 1);
timeused_debug("other_func", 0);
printf("-"); // stdout needs to contain something so that read doesn't block
fflush(stdout);
len = (int)read(pipe, buffer, 512);
ck_assert_int_eq(len, 1);
}
END_TEST
START_TEST(timeused_debug_outputs_something_expected_when_debug_is_enabled)
{
int pipe, len;
char buffer[512];
memset(&buffer, '\0', sizeof(buffer));
defaultcfg();
debug = 1;
pipe = pipe_output();
/* the assumption here is that the next two steps
can always execute in less than one second resulting
in a duration that starts with a zero */
timeused_debug("that_func", 1);
timeused_debug("that_func", 0);
fflush(stdout);
len = (int)read(pipe, buffer, 512);
ck_assert_int_gt(len, 1);
ck_assert_ptr_ne(strstr(buffer, "that_func() in 0"), NULL);
}
int loadcfg(const char *cfgfile)
{
FILE *fd;
int i, linelen, cfglen;
char value[512], cfgline[512];
struct cfgsetting cset[] =
{ /* cfg string, char var name, int var name, char len, fill status */
{ "Interface", cfg.iface, 0, 32, 0 },
{ "DatabaseDir", cfg.dbdir, 0, 512, 0 },
{ "Locale", cfg.locale, 0, 32, 0 },
{ "MonthRotate", 0, &cfg.monthrotate, 0, 0 },
{ "DayFormat", cfg.dformat, 0, 64, 0 },
{ "MonthFormat", cfg.mformat, 0, 64, 0 },
{ "TopFormat", cfg.tformat, 0, 64, 0 },
{ "RXCharacter", cfg.rxchar, 0, 2, 0 },
{ "TXCharacter", cfg.txchar, 0, 2, 0 },
{ "RXHourCharacter", cfg.rxhourchar, 0, 2, 0 },
{ "TXHourCharacter", cfg.txhourchar, 0, 2, 0 },
{ "UnitMode", 0, &cfg.unitmode, 0, 0 },
{ "RateUnitMode", 0, &cfg.rateunitmode, 0, 0 },
{ "OutputStyle", 0, &cfg.ostyle, 0, 0 },
{ "RateUnit", 0, &cfg.rateunit, 0, 0 },
{ "BandwidthDetection", 0, &cfg.bwdetection, 0, 0 },
{ "MaxBandwidth", 0, &cfg.maxbw, 0, 0 },
{ "Sampletime", 0, &cfg.sampletime, 0, 0 },
{ "QueryMode", 0, &cfg.qmode, 0, 0 },
{ "CheckDiskSpace", 0, &cfg.spacecheck, 0, 0 },
{ "UseFileLocking", 0, &cfg.flock, 0, 0 },
{ "BootVariation", 0, &cfg.bvar, 0, 0 },
{ "TrafficlessDays", 0, &cfg.traflessday, 0, 0 },
{ "DaemonUser", cfg.daemonuser, 0, 33, 0 },
{ "DaemonGroup", cfg.daemongroup, 0, 33, 0 },
{ "UpdateInterval", 0, &cfg.updateinterval, 0, 0 },
{ "PollInterval", 0, &cfg.pollinterval, 0, 0 },
{ "SaveInterval", 0, &cfg.saveinterval, 0, 0 },
{ "OfflineSaveInterval", 0, &cfg.offsaveinterval, 0, 0 },
{ "BandwidthDetectionInterval", 0, &cfg.bwdetectioninterval, 0, 0 },
{ "SaveOnStatusChange", 0, &cfg.savestatus, 0, 0 },
{ "UseLogging", 0, &cfg.uselogging, 0, 0 },
{ "CreateDirs", 0, &cfg.createdirs, 0, 0 },
{ "UpdateFileOwner", 0, &cfg.updatefileowner, 0, 0 },
{ "LogFile", cfg.logfile, 0, 512, 0 },
{ "PidFile", cfg.pidfile, 0, 512, 0 },
{ "HeaderFormat", cfg.hformat, 0, 64, 0 },
{ "HourlyRate", 0, &cfg.hourlyrate, 0, 0 },
{ "SummaryRate", 0, &cfg.summaryrate, 0, 0 },
{ "SummaryLayout", 0, &cfg.slayout, 0, 0 },
{ "TransparentBg", 0, &cfg.transbg, 0, 0 },
{ "CBackground", cfg.cbg, 0, 8, 0 },
{ "CEdge", cfg.cedge, 0, 8, 0 },
{ "CHeader", cfg.cheader, 0, 8, 0 },
{ "CHeaderTitle", cfg.cheadertitle, 0, 8, 0 },
{ "CHeaderDate", cfg.cheaderdate, 0, 8, 0 },
{ "CText", cfg.ctext, 0, 8, 0 },
{ "CLine", cfg.cline, 0, 8, 0 },
{ "CLineL", cfg.clinel, 0, 8, 0 },
{ "CRx", cfg.crx, 0, 8, 0 },
{ "CRxD", cfg.crxd, 0, 8, 0 },
{ "CTx", cfg.ctx, 0, 8, 0 },
{ "CTxD", cfg.ctxd, 0, 8, 0 },
{ 0, 0, 0, 0, 0 }
};
/* load default config */
defaultcfg();
i = opencfgfile(cfgfile, &fd);
if (i != 2)
return i;
rewind(fd);
/* parse every config file line */
while (!feof(fd)) {
cfgline[0] = '\0';
if (fgets(cfgline, 512, fd)==NULL) {
break;
}
linelen = (int)strlen(cfgline);
if (linelen<=2 || cfgline[0]=='#') {
continue;
}
for (i=0; cset[i].name!=0; i++) {
if (cset[i].found) {
continue;
}
cfglen = (int)strlen(cset[i].name);
if ( (linelen<(cfglen+2)) || (strncasecmp(cfgline, cset[i].name, cfglen)!=0) ) {
continue;
}
if (!extractcfgvalue(value, cfgline, cfglen)) {
if (debug)
printf(" c: %s -> \"%s\" with no value, keeping default.\n", cfgline, cset[i].name);
cset[i].found = 1;
break;
}
if (!setcfgvalue(&cset[i], value, cfgline)) {
continue;
}
cset[i].found = 1;
break;
}
if ((debug) && (!cset[i].found) && (strncasecmp(cfgline, "MaxBW", 5)!=0))
printf("Unknown configuration line: %s", cfgline);
}
fclose(fd);
/* validate config */
validatecfg();
return 1;
}
int loadcfg(const char *cfgfile)
{
FILE *fd;
char buffer[512];
int i, j, k, linelen, cfglen, tryhome;
char value[512], cfgline[512];
struct cfgsetting cset[] =
{ /* cfg string, char var name, int var name, char len, fill status */
{ "Interface", cfg.iface, 0, 32, 0 },
{ "DatabaseDir", cfg.dbdir, 0, 512, 0 },
{ "Locale", cfg.locale, 0, 32, 0 },
{ "MonthRotate", 0, &cfg.monthrotate, 0, 0 },
{ "DayFormat", cfg.dformat, 0, 64, 0 },
{ "MonthFormat", cfg.mformat, 0, 64, 0 },
{ "TopFormat", cfg.tformat, 0, 64, 0 },
{ "RXCharacter", cfg.rxchar, 0, 2, 0 },
{ "TXCharacter", cfg.txchar, 0, 2, 0 },
{ "RXHourCharacter", cfg.rxhourchar, 0, 2, 0 },
{ "TXHourCharacter", cfg.txhourchar, 0, 2, 0 },
{ "UnitMode", 0, &cfg.unit, 0, 0 },
{ "OutputStyle", 0, &cfg.ostyle, 0, 0 },
{ "RateUnit", 0, &cfg.rateunit, 0, 0 },
{ "MaxBandwidth", 0, &cfg.maxbw, 0, 0 },
{ "Sampletime", 0, &cfg.sampletime, 0, 0 },
{ "QueryMode", 0, &cfg.qmode, 0, 0 },
{ "CheckDiskSpace", 0, &cfg.spacecheck, 0, 0 },
{ "UseFileLocking", 0, &cfg.flock, 0, 0 },
{ "BootVariation", 0, &cfg.bvar, 0, 0 },
{ "TrafficlessDays", 0, &cfg.traflessday, 0, 0 },
{ "DaemonUser", cfg.daemonuser, 0, 33, 0 },
{ "DaemonGroup", cfg.daemongroup, 0, 33, 0 },
{ "UpdateInterval", 0, &cfg.updateinterval, 0, 0 },
{ "PollInterval", 0, &cfg.pollinterval, 0, 0 },
{ "SaveInterval", 0, &cfg.saveinterval, 0, 0 },
{ "OfflineSaveInterval", 0, &cfg.offsaveinterval, 0, 0 },
{ "SaveOnStatusChange", 0, &cfg.savestatus, 0, 0 },
{ "UseLogging", 0, &cfg.uselogging, 0, 0 },
{ "CreateDirs", 0, &cfg.createdirs, 0, 0 },
{ "UpdateFileOwner", 0, &cfg.updatefileowner, 0, 0 },
{ "LogFile", cfg.logfile, 0, 512, 0 },
{ "PidFile", cfg.pidfile, 0, 512, 0 },
{ "HeaderFormat", cfg.hformat, 0, 64, 0 },
{ "HourlyRate", 0, &cfg.hourlyrate, 0, 0 },
{ "SummaryRate", 0, &cfg.summaryrate, 0, 0 },
{ "SummaryLayout", 0, &cfg.slayout, 0, 0 },
{ "TransparentBg", 0, &cfg.transbg, 0, 0 },
{ "CBackground", cfg.cbg, 0, 8, 0 },
{ "CEdge", cfg.cedge, 0, 8, 0 },
{ "CHeader", cfg.cheader, 0, 8, 0 },
{ "CHeaderTitle", cfg.cheadertitle, 0, 8, 0 },
{ "CHeaderDate", cfg.cheaderdate, 0, 8, 0 },
{ "CText", cfg.ctext, 0, 8, 0 },
{ "CLine", cfg.cline, 0, 8, 0 },
{ "CLineL", cfg.clinel, 0, 8, 0 },
{ "CRx", cfg.crx, 0, 8, 0 },
{ "CRxD", cfg.crxd, 0, 8, 0 },
{ "CTx", cfg.ctx, 0, 8, 0 },
{ "CTxD", cfg.ctxd, 0, 8, 0 },
{ 0, 0, 0, 0, 0 }
};
ifacebw = NULL;
/* clear buffer */
for (i=0; i<512; i++) {
buffer[i] = '\0';
}
/* load default config */
defaultcfg();
/* possible config files: 1) --config 2) $HOME/.vnstatrc 3) /etc/vnstat.conf 4) none */
if (cfgfile[0]!='\0') {
/* try to open given file */
if ((fd=fopen(cfgfile, "r"))!=NULL) {
if (debug)
printf("Config file: --config\n");
} else {
snprintf(errorstring, 512, "Unable to open given config file \"%s\": %s\n", cfgfile, strerror(errno));
printe(PT_Error);
return 0;
}
} else {
if (getenv("HOME")) {
strncpy_nt(buffer, getenv("HOME"), 500);
strcat(buffer, "/.vnstatrc");
tryhome = 1;
} else {
tryhome = 0;
}
/* try to open first available config file */
if (tryhome && (fd=fopen(buffer, "r"))!=NULL) {
if (debug)
printf("Config file: $HOME/.vnstatrc\n");
} else if ((fd=fopen("/etc/vnstat.conf", "r"))!=NULL) {
if (debug)
printf("Config file: /etc/vnstat.conf\n");
} else {
if (debug)
printf("Config file: none\n");
return 1;
}
}
rewind(fd);
/* parse every config file line */
while (!feof(fd)) {
cfgline[0] = '\0';
/* get current line */
if (fgets(cfgline, 512, fd)==NULL) {
break;
}
linelen = (int)strlen(cfgline);
if (linelen>2 && cfgline[0]!='#') {
for (i=0; cset[i].name!=0; i++) {
if (cset[i].found) {
continue;
}
cfglen = (int)strlen(cset[i].name);
if ( (linelen>=(cfglen+2)) && (strncasecmp(cfgline, cset[i].name, cfglen)==0) ) {
/* clear value buffer */
for (j=0; j<512; j++) {
value[j]='\0';
}
/* search value */
j = 0;
for (k=cfglen; k<linelen; k++) {
if (cfgline[k]=='\n' || cfgline[k]=='\r') {
break;
} else if (cfgline[k]=='\"') {
if (j==0) {
continue;
} else {
break;
}
} else {
if (j==0 && (cfgline[k]==' ' || cfgline[k]=='=' || cfgline[k]=='\t')) {
continue;
} else {
value[j] = cfgline[k];
j++;
}
}
}
/* set value and get new line if valid value was found */
if (strlen(value)!=0) {
if (cset[i].namelen>0) {
strncpy_nt(cset[i].locc, value, cset[i].namelen);
cset[i].locc[cset[i].namelen-1]='\0';
if (debug)
printf(" c: %s -> \"%s\": \"%s\"\n", cfgline, cset[i].name, cset[i].locc);
} else if (isdigit(value[0])) {
*cset[i].loci = atoi(value);
if (debug)
printf(" i: %s -> \"%s\": %d\n", cfgline, cset[i].name, *cset[i].loci);
} else {
continue;
}
cset[i].found = 1;
break;
} else if (strlen(value)==0) {
if (debug)
printf(" c: %s -> \"%s\" with no value, keeping default.\n", cfgline, cset[i].name);
cset[i].found = 1;
break;
}
} /* if */
} /* for */
if ((debug) && (!cset[i].found) && (strncasecmp(cfgline, "MaxBW", 5)!=0))
printf("Unknown configuration line: %s", cfgline);
} /* if */
} /* while */
/* search for interface specific limits */
ibwcfgread(fd);
fclose(fd);
if (debug)
ibwlist();
/* validate config */
validatecfg();
return 1;
}