void NameParser::parse (const std::string& imagename, size_t max_num_sequences)
{
specification = imagename;
if (Path::is_dir (imagename)) {
array.resize (1);
array[0].set_str (imagename);
return;
}
folder_name = Path::dirname (specification);
try {
std::string::size_type pos;
std::string basename = Path::basename (specification);
size_t num = 0;
while ( (pos = basename.find_last_of (']')) < std::string::npos && num < max_num_sequences) {
insert_str (basename.substr (pos+1));
basename = basename.substr (0, pos);
if ( (pos = basename.find_last_of ('[')) == std::string::npos)
throw Exception ("malformed image sequence specifier for image \"" + specification + "\"");
insert_seq (basename.substr (pos+1));
num++;
basename = basename.substr (0, pos);
}
insert_str (basename);
for (size_t i = 0; i < array.size(); i++)
if (array[i].is_sequence())
if (array[i].sequence().size())
for (size_t n = 0; n < array[i].sequence().size()-1; n++)
for (size_t m = n+1; m < array[i].sequence().size(); m++)
if (array[i].sequence() [n] == array[i].sequence() [m])
throw Exception ("malformed image sequence specifier for image \""
+ specification + "\" (duplicate indices)");
}
catch (...) {
array.resize (1);
array[0].set_str (imagename);
throw;
}
}
void print_statistics(int socktype, struct timeval start, struct timeval end, int total_bytes, int io) {
int i;
struct s_time_record *record;
struct timeval tdiff, total_delay, avg_delay, sqrsum;// sdiv, tmp;
int npackets = 0;
double t_delay, t_avg, t_total;
record = time_record_head.next;
int last_seq = 1;
struct s_seqlist *seqlist;
total_delay.tv_sec = 0;
total_delay.tv_usec = 0;
sqrsum.tv_sec = 0;
sqrsum.tv_usec = 0;
while(record != NULL) {
/*
printf("%i ", record->seq);
if(seqformat++ == 10) {
printf("\n");
seqformat = 0;
}*/
if(socktype == SOCK_DGRAM) {
/* save potentially lost sequence numbers */
for(i = last_seq + 1; i < record->seq; i++)
insert_seq(i);
/* saved sequence number found. Delete it from lost-seq-number list */
if(last_seq > record->seq)
delete_seq(record->seq);
last_seq = record->seq;
}
tvsub(&tdiff, &(record->my_time), &(record->his_time)); /* delay */
tvadd(&total_delay, &total_delay, &tdiff); /* sum delay */
npackets++;
record = record->next;
}
avg_delay.tv_sec = total_delay.tv_sec / npackets;
avg_delay.tv_usec = total_delay.tv_usec / npackets;
/*
//standard diviation:
record = time_record_head.next;
while(record != NULL) {
tvsub(&tdiff, &(record->my_time), &(record->his_time)); //delay
tvsub(&tmp, &tdiff, &avg_delay); // x1 - mü
tvsqr(&tmp); // (x - mü)^2
tvadd(&sdiv, &tmp);
record = record->next;
}*/
tvsub(&tdiff, &end, &start);
t_avg = tvtosec(&avg_delay);
t_total = tvtosec(&tdiff);
t_delay = tvtosec(&total_delay);
printf("\n\nprinting statistics:\n" \
"--------------------------\n");
printf("%i bytes received in %.2f seconds\n", total_bytes, t_total);
printf("I/O calls: %i\n", io);
printf("packets received: %i\n", npackets);
printf("total delay: %.2f seconds\n", t_delay);
printf("average delay: %f seconds\n", t_avg);
/* printf("standard diviation: %ld seconds, %ld microseconds\n", sdiv.tv_sec / npackets,
sdiv.tv_usec / npackets); */
/* print lost packets (only UDP) */
if(socktype == SOCK_DGRAM) {
seqlist = seqlist_head.next;
if(seqlist == NULL)
printf("No packet loss\n");
else {
int format = 0;
int packetloss = 0;
printf("\nPackets with the following sequence numbers are lost:\n\n");
while(seqlist != NULL) {
packetloss++;
printf("%i ", seqlist->val);
seqlist = seqlist->next;
if(format++ == 10) {
printf("\n");
format = 0;
}
}
printf("\n\nNumber of packets lost: %i\n", packetloss);
}
}
printf("\n\n");
}
