| 36 | #if defined(sun) || defined(linux) |
| 37 | |
| 38 | void benchmark(int interval, char *ifname) |
| 39 | { |
| 40 | double mbitsRead = 0., mbitsSent = 0.; |
| 41 | unsigned long long bytesRead = 0, bytesSent = 0; |
| 42 | |
| 43 | #ifdef sun |
| 44 | |
| 45 | kstat_ctl_t *kc = NULL; |
| 46 | kstat_t *kif = NULL; |
| 47 | if((kc = kstat_open()) == NULL) { THROW_UNIX(); } |
| 48 | if((kif = kstat_lookup(kc, NULL, -1, ifname)) == NULL) { THROW_UNIX(); } |
| 49 | |
| 50 | #elif defined(linux) |
| 51 | |
| 52 | FILE *f = NULL; |
| 53 | if((f = fopen("/proc/net/dev", "r")) == NULL) |
| 54 | THROW("Could not open /proc/net/dev"); |
| 55 | |
| 56 | #endif |
| 57 | |
| 58 | double tStart = GetTime(); |
| 59 | for(;;) |
| 60 | { |
| 61 | double tEnd = GetTime(); |
| 62 | |
| 63 | #ifdef sun |
| 64 | |
| 65 | kstat_named_t *data = NULL; |
| 66 | if(kstat_read(kc, kif, NULL) < 0) THROW_UNIX(); |
| 67 | if((data = |
| 68 | (kstat_named_t *)kstat_data_lookup(kif, (char *)"rbytes64")) == NULL) |
| 69 | THROW_UNIX(); |
| 70 | if(bytesRead != 0) |
| 71 | { |
| 72 | if(bytesRead > data->value.ui64) |
| 73 | mbitsRead += ((double)data->value.ui64 + 4294967296. - |
| 74 | (double)bytesRead) * 8. / 1000000.; |
| 75 | else |
| 76 | mbitsRead += ((double)data->value.ui64 - |
| 77 | (double)bytesRead) * 8. / 1000000.; |
| 78 | } |
| 79 | bytesRead = data->value.ui64; |
| 80 | if((data = |
| 81 | (kstat_named_t *)kstat_data_lookup(kif, (char *)"obytes64")) == NULL) |
| 82 | THROW_UNIX(); |
| 83 | if(bytesSent != 0) |
| 84 | { |
| 85 | if(bytesSent > data->value.ui64) |
| 86 | mbitsSent += ((double)data->value.ui64 + 4294967296. - |
| 87 | (double)bytesSent) * 8. / 1000000.; |
| 88 | else |
| 89 | mbitsSent += ((double)data->value.ui64 - |
| 90 | (double)bytesSent) * 8. / 1000000.; |
| 91 | } |
| 92 | bytesSent = data->value.ui64; |
| 93 | |
| 94 | #elif defined(linux) |
| 95 | |