diff options
author | Sina Ghaderi <32870524+Sina-Ghaderi@users.noreply.github.com> | 2020-08-12 03:18:06 +0430 |
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committer | GitHub <noreply@github.com> | 2020-08-12 03:18:06 +0430 |
commit | d084e535c6180106a475bc171ded4f775a2578d3 (patch) | |
tree | a639eca3403ac0d3f2e08e2e3a5937b7f9c82836 | |
parent | 79ac7a1db6d56fbacd24fa768348108b320bec25 (diff) |
RX/TX Sorting And Other Stuff
-rw-r--r-- | main.go | 41 |
1 files changed, 38 insertions, 3 deletions
@@ -4,6 +4,7 @@ import ( "flag" "log" "net" + "regexp" "strconv" "time" @@ -12,24 +13,57 @@ import ( "github.com/google/gopacket/pcapgo" ) +const ( + _ = iota + kB = 1 << (10 * iota) + mB + gB + tB +) + var finish = make(chan struct{}) var nmap = make(map[string]datausage) var ( - cidr *net.IPNet - svtf *string + cidr *net.IPNet + svtf, infc, srtx, srfm, trm *string + cHz uint ) func main() { log.SetFlags(0) ipxr := flag.String("net", "192.168.1.0/24", "network to capture on <ipv4/cidr>") - infc := flag.String("inf", "lo", "network interface to capture on <interface_name>") + infc = flag.String("inf", "lo", "network interface to capture on <interface_name>") dbfi := flag.String("svd", "ipfm.db", "database to save data <database_name>") ftim := flag.String("ttf", "3", "time in second to flush data into the database <integer>") svtf = flag.String("txt", "false", "also save data to file <filename|false>") + trm = flag.String("hbm", "MB", "show (in txt file) data usage in <KB|MB|GB|TB>") + srtx = flag.String("srt", "RX", "sort data in txt file based on <TX|RX>") + srfm = flag.String("srf", "descending", "sort data in txt file based on <descending|ascending>") + flag.Parse() if *dbfi == *svtf { log.Fatal("database name and filename can not be the same.") } + if match, _ := regexp.MatchString("^(RX|TX)$", *srtx); !match { + log.Fatal("regexp.MatchString: syntax err in srt flag ", *srtx) + } + if match, _ := regexp.MatchString("^(descending|ascending)$", *srfm); !match { + log.Fatal("regexp.MatchString: syntax err in srf flag ", *srfm) + } + if match, _ := regexp.MatchString("^(KB|MB|GB|TB)$", *trm); !match { + log.Fatal("regexp.MatchString: syntax err in hbm flag ", *trm) + } else { + switch *trm { + case "KB": + cHz = kB + case "MB": + cHz = mB + case "GB": + cHz = gB + case "TB": + cHz = tB + } + } sectime, err := strconv.Atoi(*ftim) if err != nil { log.Fatal(err) @@ -62,6 +96,7 @@ func main() { func accFrom(ip *layers.IPv4) { if issrc := cidr.Contains(net.ParseIP(ip.SrcIP.String())); issrc { + // RX OR TX ? if val, ok := nmap[ip.SrcIP.String()]; !ok { nmap[ip.SrcIP.String()] = datausage{ip: ip.SrcIP.String(), tx: uint(ip.Length)} } else { |