| 1,6 → 1,6 |
|---|
| ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
| ;; ;; |
| ;; Copyright (C) KolibriOS team 2010-2015. All rights reserved. ;; |
| ;; Copyright (C) KolibriOS team 2010-2020. All rights reserved. ;; |
| ;; Distributed under terms of the GNU General Public License ;; |
| ;; ;; |
| ;; ping.asm - ICMP echo client for KolibriOS ;; |
| 14,8 → 14,7 |
|---|
| |
| format binary as "" |
| |
| BUFFERSIZE = 1500 |
| IDENTIFIER = 0x1337 |
| BUFFERSIZE = 65536 |
| |
| use32 |
| org 0x0 |
| 58,6 → 57,10 |
|---|
| push 25 |
| push 80 |
| call [con_init] |
| ; Init identifier with our PID number |
| mcall 9, thread_info, -1 |
| mov eax, [thread_info.PID] |
| mov [icmp_packet.id], ax |
| ; expand payload to 65504 bytes |
| mov edi, icmp_packet.data+32 |
| mov ecx, 65504/32-1 |
| 261,7 → 264,13 |
|---|
| cmp eax, -1 |
| je fail2 |
| |
| mcall 23, [timeout] |
| mov [time_exceeded], 0 |
| .receiveloop: |
| mov ebx, [timeout] |
| sub ebx, [time_exceeded] |
| jb .no_response |
| mcall 23 ; Wait for network event with timeout |
| |
| mcall 26, 10 ; Get high precision timer count |
| sub eax, [time_reference] |
| jz @f |
| 272,7 → 281,7 |
|---|
| jb @f |
| inc eax |
| @@: |
| mov [time_reference], eax |
| mov [time_exceeded], eax ; Exceeded time in 1/100 s |
| |
| ; Receive reply |
| mcall recv, [socketnum], buffer_ptr, BUFFERSIZE, MSG_DONTWAIT |
| 295,6 → 304,11 |
|---|
| ; make esi point to ICMP packet header |
| add esi, buffer_ptr |
| |
| ; Check identifier |
| mov ax, [icmp_packet.id] |
| cmp [esi + ICMP_header.Identifier], ax |
| jne .receiveloop |
| |
| ; we have a response, print the sender IP |
| push esi |
| mov eax, [buffer_ptr + IPv4_header.SourceAddress] |
| 324,10 → 338,7 |
|---|
| |
| .echo_reply: |
| |
| cmp [esi + ICMP_header.Identifier], IDENTIFIER |
| jne .invalid |
| |
| ; Validate the packet |
| ; Validate the payload |
| add esi, sizeof.ICMP_header |
| mov ecx, [size] |
| mov edi, icmp_packet.data |
| 336,12 → 347,13 |
|---|
| |
| ; update stats |
| inc [stats.rx] |
| mov eax, [time_reference] |
| mov eax, [time_exceeded] |
| add [stats.time], eax |
| |
| ; Print time exceeded |
| movzx eax, [buffer_ptr + IPv4_header.TimeToLive] |
| push eax |
| mov eax, [time_reference] |
| mov eax, [time_exceeded] |
| xor edx, edx |
| mov ebx, 10 |
| div ebx |
| 504,7 → 516,8 |
|---|
| .ip dd 0 |
| rb 10 |
| |
| time_reference dd ? |
| time_reference dd ? ; start time of sent packet |
| time_exceeded dd ? ; time exceeded between send and receive |
| ip_ptr dd ? |
| count dd ? |
| size dd ? |
| 544,7 → 557,7 |
|---|
| icmp_packet db ICMP_ECHO ; type |
| db 0 ; code |
| dw 0 ; checksum |
| .id dw IDENTIFIER ; identifier |
| .id dw 0 ; identifier |
| .seq dw 0x0000 ; sequence number |
| .data db 'abcdefghijklmnopqrstuvwxyz012345' |
| |
| 551,6 → 564,8 |
|---|
| I_END: |
| rb 65504-32 |
| |
| thread_info process_information |
| |
| params rb 1024 |
| buffer_ptr: rb BUFFERSIZE |
| |