diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/include/ndpi_api.h | 3 | ||||
| -rw-r--r-- | src/lib/ndpi_analyze.c | 19 |
2 files changed, 18 insertions, 4 deletions
diff --git a/src/include/ndpi_api.h b/src/include/ndpi_api.h index c6d17a4b5..9bb767ca7 100644 --- a/src/include/ndpi_api.h +++ b/src/include/ndpi_api.h @@ -903,7 +903,8 @@ extern "C" { float ndpi_data_variance(struct ndpi_analyze_struct *s); float ndpi_data_stddev(struct ndpi_analyze_struct *s); float ndpi_data_ratio(u_int32_t sent, u_int32_t rcvd); - + const char* ndpi_data_ratio2str(float ratio); + void ndpi_data_print_window_values(struct ndpi_analyze_struct *s); /* debug */ #ifdef __cplusplus } diff --git a/src/lib/ndpi_analyze.c b/src/lib/ndpi_analyze.c index ce3168165..8facdf371 100644 --- a/src/lib/ndpi_analyze.c +++ b/src/lib/ndpi_analyze.c @@ -154,9 +154,22 @@ void ndpi_data_print_window_values(struct ndpi_analyze_struct *s) { /* ********************************************************************************* */ +/* + Upload / download ration + + -1 Download + 0 Mixed + 1 Upload + */ float ndpi_data_ratio(u_int32_t sent, u_int32_t rcvd) { - int64_t s = (int64_t)sent + (int64_t)rcvd; - int64_t d = (int64_t)sent - (int64_t)rcvd; + float s = (float)((int64_t)sent + (int64_t)rcvd); + float d = (float)((int64_t)sent - (int64_t)rcvd); + + return((s == 0) ? 0 : (d/s)); +} - return((s == 0) ? 0 : ((float)d)/((float)s)); +const char* ndpi_data_ratio2str(float ratio) { + if(ratio < -0.2) return("Download"); + else if(ratio > 0.2) return("Upload"); + else return("Mixed"); } |