2021-12-29 03:49:58 +00:00
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2021-12-29 03:49:58 +00:00
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< a name = "l1" > < / a > < span class = cF9 > I64< / span > < span class = cF0 > Ping(< / span > < span class = cF1 > U8< / span > < span class = cF0 > *hostname, < / span > < span class = cF9 > I64< / span > < span class = cF0 > timeout=< / span > < span class = cF3 > JIFFY_FREQ< / span > < span class = cF0 > )
< a name = "l2" > < / a > {
< a name = "l3" > < / a > < / span > < span class = cF9 > U32< / span > < span class = cF0 > addr;
< a name = "l4" > < / a > CAddressInfo *current;
< a name = "l5" > < / a > CAddressInfo *result = < / span > < span class = cF3 > NULL< / span > < span class = cF0 > ;
< a name = "l6" > < / a > < / span > < span class = cF9 > I64< / span > < span class = cF0 > error;
< a name = "l7" > < / a > < / span > < span class = cF9 > I64< / span > < span class = cF0 > i = < / span > < span class = cFE > 0< / span > < span class = cF0 > , t, delay, sent = < / span > < span class = cFE > 0< / span > < span class = cF0 > , min_delay = < / span > < span class = cF3 > I64_MAX< / span > < span class = cF0 > , max_delay = < / span > < span class = cF3 > I64_MIN< / span > < span class = cF0 > , sum_delay = < / span > < span class = cFE > 0< / span > < span class = cF0 > ;
< a name = "l8" > < / a > CSocketAddressIPV4 *ipv4_address;
< a name = "l9" > < / a > < / span > < span class = cF9 > U16< / span > < span class = cF0 > sequence_number = < / span > < span class = cFE > 1< / span > < span class = cF0 > , identifier = < / span > < span class = cF5 > RandU16< / span > < span class = cF0 > , count = < / span > < span class = cFE > 0< / span > < span class = cF0 > ;
< a name = "l10" > < / a > < / span > < span class = cF1 > U8< / span > < span class = cF0 > *payload;
< a name = "l11" > < / a >
< a name = "l12" > < / a > < / span > < span class = cF1 > if< / span > < span class = cF0 > (!IPV4AddressParse< / span > < span class = cF7 > (< / span > < span class = cF0 > hostname, & addr< / span > < span class = cF7 > )< / span > < span class = cF0 > )
< a name = "l13" > < / a > < / span > < span class = cF7 > {< / span > < span class = cF0 >
< a name = "l14" > < / a > error = DNSAddressInfoGet(hostname, < / span > < span class = cF3 > NULL< / span > < span class = cF0 > , & result);
< a name = "l15" > < / a > < / span > < span class = cF1 > if< / span > < span class = cF0 > (error < < / span > < span class = cFE > 0< / span > < span class = cF0 > )
< a name = "l16" > < / a > {
< a name = "l17" > < / a > NetErr(< / span > < span class = cF6 > " Ping: Failed at DNS Get Address Info." < / span > < span class = cF0 > );
< a name = "l18" > < / a > < / span > < span class = cF1 > return< / span > < span class = cF0 > -< / span > < span class = cFE > 1< / span > < span class = cF0 > ;
< a name = "l19" > < / a > }
< a name = "l20" > < / a > current = result;
< a name = "l21" > < / a > < / span > < span class = cF1 > while< / span > < span class = cF0 > (current)
< a name = "l22" > < / a > {
< a name = "l23" > < / a > < / span > < span class = cF1 > if< / span > < span class = cF0 > (current-> family == AF_INET)
< a name = "l24" > < / a > < / span > < span class = cF7 > {< / span > < span class = cF0 >
< a name = "l25" > < / a > ipv4_address = current-> address;
< a name = "l26" > < / a > addr = < / span > < span class = cF5 > EndianU32< / span > < span class = cF0 > (ipv4_address-> address); < / span > < span class = cF2 > // why does it need EndianU32< / span > < span class = cF0 >
< a name = "l27" > < / a > < / span > < span class = cF1 > break< / span > < span class = cF0 > ;
< a name = "l28" > < / a > < / span > < span class = cF7 > }< / span > < span class = cF0 >
< a name = "l29" > < / a > current = current-> next;
< a name = "l30" > < / a > }
< a name = "l31" > < / a > < / span > < span class = cF7 > }< / span > < span class = cF0 >
< a name = "l32" > < / a >
< a name = "l33" > < / a > < / span > < span class = cF1 > if< / span > < span class = cF0 > (!current)
< a name = "l34" > < / a > < / span > < span class = cF7 > {< / span > < span class = cF0 >
< a name = "l35" > < / a > NetErr(< / span > < span class = cF6 > " Ping: Failed to resolve address." < / span > < span class = cF0 > );
< a name = "l36" > < / a > < / span > < span class = cF1 > return< / span > < span class = cF0 > -< / span > < span class = cFE > 1< / span > < span class = cF0 > ;
< a name = "l37" > < / a > < / span > < span class = cF7 > }< / span > < span class = cF0 >
< a name = "l38" > < / a >
2021-12-30 22:34:28 +00:00
< a name = "l39" > < / a > < / span > < span class = cF6 > " \n" < / span > < span class = cF0 > ;
< a name = "l40" > < / a > < / span > < span class = cF1 > while< / span > < span class = cF0 > (!< / span > < span class = cF5 > CharScan< / span > < span class = cF0 > )
< a name = "l41" > < / a > < / span > < span class = cF7 > {< / span > < span class = cF0 >
< a name = "l42" > < / a > payload = < / span > < span class = cF5 > MAlloc< / span > < span class = cF0 > (< / span > < span class = cFE > 64< / span > < span class = cF0 > );
< a name = "l43" > < / a > < / span > < span class = cF1 > for< / span > < span class = cF0 > (i = < / span > < span class = cFE > 0< / span > < span class = cF0 > ; i < < / span > < span class = cFE > 64< / span > < span class = cF0 > ; i++)
< a name = "l44" > < / a > payload[i] = < / span > < span class = cF5 > RandU8< / span > < span class = cF0 > ;
< a name = "l45" > < / a >
< a name = "l46" > < / a > < / span > < span class = cF6 > " Sending Ping request #%d\n" < / span > < span class = cF0 > , sequence_number;
< a name = "l47" > < / a > ICMPRequestSend(addr, identifier, < / span > < span class = cF5 > EndianU16< / span > < span class = cF7 > (< / span > < span class = cF0 > sequence_number< / span > < span class = cF7 > )< / span > < span class = cF0 > , payload, < / span > < span class = cFE > 64< / span > < span class = cF0 > );
< a name = "l48" > < / a > sent++;
< a name = "l49" > < / a >
< a name = "l50" > < / a > t = < / span > < span class = cFB > counts< / span > < span class = cF0 > .jiffies;
< a name = "l51" > < / a > < / span > < span class = cF1 > while< / span > < span class = cF0 > (< / span > < span class = cFB > counts< / span > < span class = cF0 > .jiffies < t + timeout)
< a name = "l52" > < / a > {
< a name = "l53" > < / a > < / span > < span class = cF1 > if< / span > < span class = cF0 > (icmp_reply.identifier == identifier & & icmp_reply.sequence_number == < / span > < span class = cF5 > EndianU16< / span > < span class = cF7 > (< / span > < span class = cF0 > sequence_number< / span > < span class = cF7 > )< / span > < span class = cF0 > )
< a name = "l54" > < / a > < / span > < span class = cF7 > {< / span > < span class = cF0 >
< a name = "l55" > < / a > delay = < / span > < span class = cFB > counts< / span > < span class = cF0 > .jiffies - t;
< a name = "l56" > < / a > min_delay = < / span > < span class = cF5 > MinI64< / span > < span class = cF0 > (min_delay, delay);
< a name = "l57" > < / a > max_delay = < / span > < span class = cF5 > MaxI64< / span > < span class = cF0 > (max_delay, delay);
< a name = "l58" > < / a > sum_delay += delay; < / span > < span class = cF2 > // sum up delays, divide through by count during stat report to get average< / span > < span class = cF0 >
< a name = "l59" > < / a > count++;
< a name = "l60" > < / a > < / span > < span class = cF6 > " \tReceived reply, delay: %dms\n" < / span > < span class = cF0 > , delay;
< a name = "l61" > < / a > < / span > < span class = cF1 > break< / span > < span class = cF0 > ;
< a name = "l62" > < / a > < / span > < span class = cF7 > }< / span > < span class = cF0 >
< a name = "l63" > < / a > < / span > < span class = cF5 > Sleep< / span > < span class = cF0 > (< / span > < span class = cFE > 1< / span > < span class = cF0 > );
< a name = "l64" > < / a > }
< a name = "l65" > < / a > < / span > < span class = cF1 > while< / span > < span class = cF0 > (< / span > < span class = cFB > counts< / span > < span class = cF0 > .jiffies < t + < / span > < span class = cF3 > JIFFY_FREQ< / span > < span class = cF0 > )
< a name = "l66" > < / a > < / span > < span class = cF5 > Sleep< / span > < span class = cF0 > (< / span > < span class = cFE > 1< / span > < span class = cF0 > );
< a name = "l67" > < / a >
< a name = "l68" > < / a > sequence_number++;
< a name = "l69" > < / a > < / span > < span class = cF5 > Free< / span > < span class = cF0 > (payload);
< a name = "l70" > < / a > < / span > < span class = cF7 > }< / span > < span class = cF0 >
< a name = "l71" > < / a >
< a name = "l72" > < / a > < / span > < span class = cF6 > " \nPing Statistics:\n" < / span > < span class = cF0 > ;
< a name = "l73" > < / a > < / span > < span class = cF6 > " \tSent: %d, Received: %d, Lost: %d (%0.02f %%)\n" < / span > < span class = cF0 > , sent, count, sent - count, < / span > < span class = cFE > 100< / span > < span class = cF0 > .< / span > < span class = cFE > 0< / span > < span class = cF0 > - < / span > < span class = cFE > 100< / span > < span class = cF0 > .< / span > < span class = cFE > 0< / span > < span class = cF0 > * count / sent;
< a name = "l74" > < / a > < / span > < span class = cF1 > if< / span > < span class = cF0 > (min_delay != < / span > < span class = cF3 > I64_MAX< / span > < span class = cF0 > & & max_delay != < / span > < span class = cF3 > I64_MIN< / span > < span class = cF0 > & & sum_delay != < / span > < span class = cFE > 0< / span > < span class = cF0 > )
< a name = "l75" > < / a > < / span > < span class = cF6 > " \tMin: %dms, Max: %dms, Avg: %dms\n" < / span > < span class = cF0 > , min_delay, max_delay, sum_delay / count;
< a name = "l76" > < / a > < / span > < span class = cF6 > " \n" < / span > < span class = cF0 > ;
< a name = "l77" > < / a >
< a name = "l78" > < / a > < / span > < span class = cF1 > return< / span > < span class = cF0 > count;
< a name = "l79" > < / a >
< a name = "l80" > < / a > }< / span > < / pre > < / body >
2021-12-29 03:49:58 +00:00
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