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| Rev 5545 | Rev 6709 | ||
|---|---|---|---|
| Line 309... | Line 309... | ||
| 309 | .wait: |
309 | .wait: |
| 310 | ; 2c. Wait for event with timeout. |
310 | ; 2c. Wait for event with timeout. |
| 311 | mcall 23 ; wait for event - must be stack event |
311 | mcall 23 ; wait for event - must be stack event |
| 312 | ; 2d. Check for timeout. |
312 | ; 2d. Check for timeout. |
| 313 | test eax, eax |
313 | test eax, eax |
| 314 | lea eax, [esp+4] ; pointer to (1) |
- | |
| 315 | jz .timeout |
314 | jz .timeout |
| 316 | ; 3. Got packet. Call processing function. |
315 | ; 3. Got packet. Call processing function. |
| 317 | push edi ; second parameter: pointer to result |
316 | push edi ; second parameter: pointer to result |
| 318 | push eax ; first parameter: pointer to reqdata |
317 | push eax ; first parameter: pointer to reqdata |
| 319 | call getaddrinfo_process |
318 | call getaddrinfo_process |
| Line 327... | Line 326... | ||
| 327 | ; 2f. Check that time is not over; if not, continue wait loop |
326 | ; 2f. Check that time is not over; if not, continue wait loop |
| 328 | cmp ebx, 500 |
327 | cmp ebx, 500 |
| 329 | jbe .wait |
328 | jbe .wait |
| 330 | .timeout: |
329 | .timeout: |
| 331 | ; 5. Timeout: abort and return error |
330 | ; 5. Timeout: abort and return error |
| - | 331 | lea eax, [esp+4] ; pointer to (1) |
|
| 332 | push eax |
332 | push eax |
| 333 | call getaddrinfo_abort |
333 | call getaddrinfo_abort |
| 334 | and dword [edi], 0 |
334 | and dword [edi], 0 |
| 335 | push EAI_AGAIN |
335 | push EAI_AGAIN |
| 336 | pop eax |
336 | pop eax |
| Line 676... | Line 676... | ||
| 676 | stosd |
676 | stosd |
| 677 | ; 7. Get DNS server address. |
677 | ; 7. Get DNS server address. |
| 678 | mcall 76, API_IPv4 + (1 shl 8) + 4 ; protocol IP=0, device number=0, function=get DNS address |
678 | mcall 76, API_IPv4 + (1 shl 8) + 4 ; protocol IP=0, device number=0, function=get DNS address |
| 679 | cmp eax, -1 |
679 | cmp eax, -1 |
| 680 | je .ret.dnserr |
680 | je .ret.dnserr |
| 681 | mov esi, eax ; put server address to esi |
681 | push eax ; save server address to the stack |
| 682 | ; 8. Open UDP socketnum to DNS server, port 53. |
682 | ; 8. Open UDP socketnum to DNS server, port 53. |
| 683 | ; 8a. Create new socketnum. |
683 | ; 8a. Create new socketnum. |
| 684 | mcall 75, 0, AF_INET4, SOCK_DGRAM |
684 | mcall 75, 0, AF_INET4, SOCK_DGRAM, 0 |
| - | 685 | pop esi ; restore server address saved at step 7 |
|
| 685 | cmp eax, -1 ; error? |
686 | cmp eax, -1 ; error? |
| 686 | jz .ret.dnserr |
687 | jz .ret.dnserr |
| 687 | mov ecx, eax ; put socketnum handle to ecx |
688 | mov ecx, eax ; put socketnum handle to ecx |
| 688 | ; 8b. Create sockaddr structure on the stack. |
689 | ; 8b. Create sockaddr structure on the stack. |
| 689 | push 0 |
690 | push 0 |
| 690 | push 0 ; sin_zero |
691 | push 0 ; sin_zero |
| 691 | push esi ; sin_addr |
692 | push edi ; sin_addr |
| 692 | push AF_INET4 + (53 shl 24) |
693 | push AF_INET4 + (53 shl 24) |
| 693 | ; sin_family and sin_port in network byte order |
694 | ; sin_family and sin_port in network byte order |
| 694 | ; 8c. Connect. |
695 | ; 8c. Connect. |
| 695 | mcall 75, 4, , esp, sizeof.sockaddr_in |
696 | mcall 75, 4, , esp, sizeof.sockaddr_in |
| 696 | ; 8d. Restore the stack, undo 8b. |
697 | ; 8d. Restore the stack, undo 8b. |