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kolibrios/programs/system/launch/trunk/kobra.inc

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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; Copyright (C) Vasiliy Kosenko (vkos), 2009 ;;
;; Kobra is free software: you can redistribute it and/or modify it under the terms of the GNU ;;
;; General Public License as published by the Free Software Foundation, either version 3 ;;
;; of the License, or (at your option) any later version. ;;
;; ;;
;; Kobra is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without ;;
;; even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU ;;
;; General Public License for more details. ;;
;; ;;
;; You should have received a copy of the GNU General Public License along with Kobra. ;;
;; If not, see <http://www.gnu.org/licenses/>. ;;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; This is set of functions to work with Kobra daemon ;;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
define KOBRA_MESSAGE_MAX_LEN 0x100
define KOBRA_CMD_REGISTER 'R'
define KOBRA_CMD_JOIN 'J'
define KOBRA_CMD_UNJOIN 'U'
define KOBRA_CMD_SEND 'S'
define KOBRA_MESSAGE_LAUNCH_STATE 1
kobra_register:
mov eax, kobra_message_area
mov byte [eax], KOBRA_CMD_REGISTER
stdcall thread_find_by_name, kobra_thread_name
test eax, eax
je .error
mov dword [kobra_tid], eax ;; Save tid
mov ecx, eax
mcall 60, 2, , kobra_message_area, 1
test eax, eax
je .return
.error:
inc eax
.return:
ret
;; void kobra_send_message(char *group, void *message, int length);
kobra_send_message:
push ebp
mov ebp, esp
cld
mov edi, kobra_message_area
mov al, KOBRA_CMD_SEND
stosb
mov esi, dword [ebp+8]
.copy_group_cycle:
mov al, byte [esi]
test al, al
jz .copy_group_end
movsb
jmp .copy_group_cycle
.copy_group_end:
; xor al, al
stosb
mov esi, dword [ebp+12]
mov ecx, dword [ebp+16]
rep movsb
lea eax, [edi-kobra_message_area]
mcall 60, 2, dword [kobra_tid], kobra_message_area, eax
leave
ret 12
kobra_tid:
dd 0
kobra_message_area:
rb KOBRA_MESSAGE_MAX_LEN
kobra_thread_name:
db "kobra", 0, 0, 0, 0, 0, 0