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| 11 | ;; GNU GENERAL PUBLIC LICENSE ;; |
11 | ;; GNU GENERAL PUBLIC LICENSE ;; |
| 12 | ;; Version 2, June 1991 ;; |
12 | ;; Version 2, June 1991 ;; |
| 13 | ;; ;; |
13 | ;; ;; |
| 14 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
14 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
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| 15 | 15 | ||
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| 16 | $Revision: 1263 $ |
16 | $Revision: 1274 $ |
| 17 | 17 | ||
| 18 | struct SOCKET_head |
18 | struct SOCKET_head |
| 19 | .PrevPtr dd ? ; pointer to previous socket in list |
19 | .PrevPtr dd ? ; pointer to previous socket in list |
| Line 46... | Line 46... | ||
| 46 | .backlog_cur dw ? ; current size of queue for un-accept-ed connections |
46 | .backlog_cur dw ? ; current size of queue for un-accept-ed connections |
| 47 | .last_ack_number dd ? ; used only to let application know that ACK has been received |
47 | .last_ack_number dd ? ; used only to let application know that ACK has been received |
| 48 | ; todo: may be use SND_UNA instead |
48 | ; todo: may be use SND_UNA instead |
| 49 | ; todo: may be use events which allow additional information instead |
49 | ; todo: may be use events which allow additional information instead |
| 50 | ; todo: may be count acknowledged bytes (at least it has obvious sense) |
50 | ; todo: may be count acknowledged bytes (at least it has obvious sense) |
| 51 | ; .OrigRemoteIP dd ? ; original remote IP address (used to reset to LISTEN state) |
51 | .OrigRemoteIP dd ? ; original remote IP address (used to reset to LISTEN state) |
| 52 | ; .OrigRemotePort dw ? ; original remote port (used to reset to LISTEN state) |
52 | .OrigRemotePort dw ? ; original remote port (used to reset to LISTEN state) |
| 53 | .wndsizeTimer dd ? ; window size timer |
53 | .wndsizeTimer dd ? ; window size timer |
| Line 54... | Line 54... | ||
| 54 | 54 | ||
| 55 | ; Transmission control block |
55 | ; Transmission control block |
| 56 | .state dd ? ; TCB state |
56 | .state dd ? ; TCB state |
| Line 92... | Line 92... | ||
| 92 | 92 | ||
| Line 93... | Line 93... | ||
| 93 | .end: |
93 | .end: |
| Line -... | Line 94... | ||
| - | 94 | ||
| - | 95 | ends |
|
| - | 96 | ||
| - | 97 | struct socket_queue_entry |
|
| - | 98 | .data_ptr dd ? |
|
| - | 99 | .data_size dd ? |
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| - | 100 | .offset dd ? |
|
| 94 | 101 | .size: |
|
| 95 | ends |
102 | ends |
| 96 | 103 | ||
| 97 | MAX_backlog equ 20 ; backlog for stream sockets |
104 | MAX_backlog equ 20 ; backlog for stream sockets |
| Line 361... | Line 368... | ||
| 361 | 368 | ||
| 362 | mov [eax + SOCKET_head.end + IPv4_SOCKET.end + TCP_SOCKET.state], TCB_SYN_SENT |
369 | mov [eax + SOCKET_head.end + IPv4_SOCKET.end + TCP_SOCKET.state], TCB_SYN_SENT |
| Line 363... | Line 370... | ||
| 363 | ; now say hello to the remote tcp socket |
370 | ; now say hello to the remote tcp socket |
| - | 371 | ||
| 364 | 372 | mov bl, TH_SYN |
|
| Line 365... | Line 373... | ||
| 365 | mov bl, TH_SYN |
373 | xor ecx, ecx |
| 366 | call TCP_send_ack |
374 | call TCP_send |
| Line 511... | Line 519... | ||
| 511 | je .destroy_tcb |
519 | je .destroy_tcb |
| Line 512... | Line 520... | ||
| 512 | 520 | ||
| Line 513... | Line 521... | ||
| 513 | ; Now construct the response, and queue for sending by IP |
521 | ; Now construct the response, and queue for sending by IP |
| - | 522 | ||
| 514 | 523 | mov bl, TH_FIN |
|
| Line 515... | Line 524... | ||
| 515 | mov bl, TH_FIN |
524 | xor ecx, ecx |
| 516 | call TCP_send_ack |
525 | call TCP_send |
| 517 | 526 | ||
| Line 561... | Line 570... | ||
| 561 | ;----------------------------------------------------------------- |
570 | ;----------------------------------------------------------------- |
| 562 | align 4 |
571 | align 4 |
| 563 | socket_recv: |
572 | socket_recv: |
| Line 564... | Line 573... | ||
| 564 | 573 | ||
| 565 | DEBUGF 1,"Socket_receive: socknum: %u bufferaddress: %x, length: %u, flags: %x\n",ecx,edx,esi,edi |
- | |
| 566 | 574 | DEBUGF 1,"Socket_receive: socknum: %u bufferaddress: %x, length: %u, flags: %x\n",ecx,edx,esi,edi |
|
| 567 | stdcall net_socket_num_to_addr, ecx ; get real socket address |
575 | stdcall net_socket_num_to_addr, ecx ; get real socket address |
| 568 | or eax, eax |
576 | or eax, eax |
| Line 569... | Line 577... | ||
| 569 | jz s_error |
577 | jz s_error |
| Line 594... | Line 602... | ||
| 594 | jnc .nb |
602 | jnc .nb |
| 595 | movsb |
603 | movsb |
| 596 | .nb: shr ecx, 1 |
604 | .nb: shr ecx, 1 |
| 597 | jnc .nw |
605 | jnc .nw |
| 598 | movsw |
606 | movsw |
| - | 607 | .nw: test ecx, ecx |
|
| - | 608 | jz .nd |
|
| 599 | .nw: rep movsd |
609 | rep movsd |
| - | 610 | .nd: |
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| Line 600... | Line 611... | ||
| 600 | 611 | ||
| Line 601... | Line 612... | ||
| 601 | call kernel_free |
612 | call kernel_free |
| Line 683... | Line 694... | ||
| 683 | 694 | ||
| Line 684... | Line 695... | ||
| 684 | @@: |
695 | @@: |
| 685 | 696 | ||
| - | 697 | mov ecx, esi |
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| Line 686... | Line 698... | ||
| 686 | mov ecx, esi |
698 | mov esi, edx |
| Line 687... | Line 699... | ||
| 687 | mov esi, edx |
699 | xor bl , bl |
| 688 | 700 | ||
| Line 689... | Line 701... | ||
| 689 | call TCP_socket_send |
701 | call TCP_send |