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kolibrios/programs/develop/libraries/http/examples/downloader.asm
hidnplayr f63722e276 Fixed http library example 
git-svn-id: svn://kolibrios.org@5094 a494cfbc-eb01-0410-851d-a64ba20cac60
2014-09-08 17:27:41 +00:00

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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; ;;
;; Copyright (C) KolibriOS team 2009-2013. All rights reserved. ;;
;; Distributed under terms of the GNU General Public License ;;
;; ;;
;; downloader.asm - HTTP client for KolibriOS ;;
;; ;;
;; ;;
;; GNU GENERAL PUBLIC LICENSE ;;
;; Version 2, June 1991 ;;
;; ;;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
URLMAXLEN = 1024
BUFFERSIZE = 4096
__DEBUG__ = 1
__DEBUG_LEVEL__ = 1
format binary as ""
;--------------------------------------
frame_1:
.x = 5
.y = 10
.width = 350
.height = 55
;--------------------------------------
frame_2:
.x = 5
.y = 75
.width = 350
.height = 55
;---------------------------------------------------------------------
use32
org 0x0
db 'MENUET01' ; header
dd 0x01 ; header version
dd START ; entry point
dd IM_END ; image size
dd I_END ; required memory
dd stacktop ; esp
dd params ; I_PARAM
dd 0x0 ; I_Path
;---------------------------------------------------------------------
include '../../../../macros.inc'
include '../../../../proc32.inc'
include '../../../../dll.inc'
include '../../../../debug-fdo.inc'
include '../../box_lib/trunk/box_lib.mac'
include '../../http/http.inc'
virtual at 0
http_msg http_msg
end virtual
;---------------------------------------------------------------------
START:
mcall 68, 11 ; init heap so we can allocate memory dynamically
; load libraries
stdcall dll.Load, @IMPORT
test eax, eax
jnz exit
;---------------------------------------------------------------------
mov edi,filename_area
mov esi,start_temp_file_name
call copy_file_name_path
mov edi,fname_buf
mov esi,start_file_path
call copy_file_name_path
;OpenDialog initialisation
push dword OpenDialog_data
call [OpenDialog_Init]
; prepare for PathShow
push dword PathShow_data_1
call [PathShow_prepare]
;---------------------------------------------------------------------
; check parameters
cmp byte[params], 0 ; no parameters ?
je reset_events ; load the GUI
inc [silently]
download:
call download_1
test [silently], 0xff
jnz save
reset_events:
DEBUGF 1, "resetting events\n"
; Report events
; defaults + mouse
mcall 40,EVM_REDRAW+EVM_KEY+EVM_BUTTON+EVM_MOUSE+EVM_MOUSE_FILTER
;---------------------------------------------------------------------
redraw:
call draw_window
still:
;; DEBUGF 1, "waiting for events\n"
mcall 10 ; wait here for event
cmp eax, EV_REDRAW
je redraw
cmp eax, EV_KEY
je key
cmp eax, EV_BUTTON
je button
cmp eax, EV_MOUSE
je mouse
jmp still
;---------------------------------------------------------------------
key:
mcall 2 ; read key
stdcall [edit_box_key], dword edit1
cmp ax, 13 shl 8
je download
jmp still
;---------------------------------------------------------------------
button:
mcall 17 ; get id
cmp ah, 26
jne @f
; invoke OpenDialog
push dword OpenDialog_data
call [OpenDialog_Start]
cmp [OpenDialog_data.status],1
jne still
; prepare for PathShow
push dword PathShow_data_1
call [PathShow_prepare]
call draw_window
jmp still
@@:
cmp ah, 1 ; button id=1 ?
je exit
call download_1
jmp save
;---------------------------------------------------------------------
mouse:
stdcall [edit_box_mouse], edit1
jmp still
;---------------------------------------------------------------------
exit:
DEBUGF 1, "Exiting\n"
invoke HTTP_free, [identifier] ; free buffer
fail:
or eax, -1 ; close this program
mcall
;---------------------------------------------------------------------
download_1:
DEBUGF 1, "Starting download\n"
invoke HTTP_get, params, 0
test eax, eax
jz fail
mov [identifier], eax
.loop:
invoke HTTP_process, [identifier]
test eax, eax
jnz .loop
ret
;---------------------------------------------------------------------
save:
mov ebp, [identifier]
mov eax, [ebp + http_msg.content_received]
mov [final_size], eax
mov ebx, [ebp + http_msg.content_ptr]
mov [final_buffer], ebx
mcall 70, fileinfo
DEBUGF 1, "File saved\n"
test [silently], 0xff
jnz exit
mov ecx, [sc.work_text]
or ecx, 0x80000000
mcall 4, <10, frame_2.y+frame_2.height+7>, , download_complete
jmp still
;---------------------------------------------------------------------
copy_file_name_path:
xor eax,eax
cld
@@:
lodsb
stosb
test eax,eax
jnz @r
ret
;---------------------------------------------------------------------
; *********************************************
; ******* WINDOW DEFINITIONS AND DRAW ********
; *********************************************
draw_window:
mcall 12, 1 ; start window draw
;-----------------------------------
; get system colors
mcall 48, 3, sc, 40
;-----------------------------------
; draw window
mov edx, [sc.work]
or edx, 0x34000000
mcall 0, <50, 370>, <350, 170>, , 0, title
;-----------------------------------
; draw frames
mov [frame_data.x],dword frame_1.x shl 16+frame_1.width
mov [frame_data.y],dword frame_1.y shl 16+frame_1.height
mov [frame_data.text_pointer],dword select_addr_text
mov eax,[sc.work]
mov [frame_data.font_backgr_color],eax
mov eax,[sc.work_text]
mov [frame_data.font_color],eax
push dword frame_data
call [Frame_draw]
;-----------------------------------
mov [frame_data.x],dword frame_2.x shl 16+frame_2.width
mov [frame_data.y],dword frame_2.y shl 16+frame_2.height
mov [frame_data.text_pointer],dword select_path_text
push dword frame_data
call [Frame_draw]
;-----------------------------------
; draw "url:" text
mov ecx, [sc.work_text]
or ecx, 80000000h
mcall 4, <frame_1.x+10, frame_1.y+15>, , type_pls
;-----------------------------------
; draw editbox
edit_boxes_set_sys_color edit1, editboxes_end, sc
stdcall [edit_box_draw], edit1
;-----------------------------------
; draw buttons
mcall 8,<frame_1.x+frame_1.width-(68+15+50+15),68>,<frame_1.y+30,16>,22,[sc.work_button] ; reload
mcall ,<frame_1.x+frame_1.width-(50+15),50>,<frame_1.y+30,16>, 24 ; stop
mcall , <frame_2.x+frame_2.width-(54+15),54>,<frame_2.y+30,16>,26 ; save
;-----------------------------------
; draw buttons text
mov ecx, [sc.work_button_text]
or ecx, 80000000h
mcall 4, <frame_1.x+frame_1.width-(68+15+50+15)+10,frame_1.y+35>, , button_text.1
mcall , <frame_1.x+frame_1.width-(50+15)+15,frame_1.y+35>, , button_text.2
mcall , <frame_2.x+frame_2.width-(54+15)+10,frame_2.y+35>, , button_text.3
mcall 13,<frame_2.x+17,frame_2.width-15*2>,<frame_2.y+10,15>,0xffffff
push dword PathShow_data_1
call [PathShow_draw]
mcall 12, 2 ; end window redraw
ret
;---------------------------------------------------------------------
; Data area
;-----------------------------------------------------------------------------
align 4
@IMPORT:
library lib_http, 'http.obj', \
box_lib, 'box_lib.obj', \
proc_lib, 'proc_lib.obj'
import lib_http, \
HTTP_get , 'get' , \
HTTP_process , 'process' ,\
HTTP_free , 'free'
import box_lib, \
edit_box_draw, 'edit_box', \
edit_box_key, 'edit_box_key', \
edit_box_mouse, 'edit_box_mouse', \
PathShow_prepare, 'PathShow_prepare', \
PathShow_draw, 'PathShow_draw', \
Frame_draw, 'frame_draw'
import proc_lib, \
OpenDialog_Init, 'OpenDialog_init', \
OpenDialog_Start, 'OpenDialog_start'
;---------------------------------------------------------------------
fileinfo dd 2, 0, 0
final_size dd 0
final_buffer dd 0
db 0
dd fname_buf
;---------------------------------------------------------------------
mouse_dd dd 0
edit1 edit_box 295, 48, (frame_1.y+10), 0xffffff, 0xff, 0x80ff, 0, 0x8000, URLMAXLEN, document_user, mouse_dd, ed_focus+ed_always_focus, 7, 7
editboxes_end:
;---------------------------------------------------------------------
include_debug_strings
;---------------------------------------------------------------------
type_pls db 'URL:', 0
button_text:
.1: db 'DOWNLOAD',0
.2: db 'STOP',0
.3: db 'SELECT', 0
download_complete db 'FILE SAVED!', 0
title db 'HTTP Downloader', 0
silently db 0
;---------------------------------------------------------------------
select_addr_text db ' NETWORK ADDRESS: ',0
select_path_text db ' PATH TO SAVE FILE: ',0
;---------------------------------------------------------------------
frame_data:
.type dd 0 ;+0
.x:
.x_size dw 0 ;+4
.x_start dw 0 ;+6
.y:
.y_size dw 0 ;+8
.y_start dw 0 ;+10
.ext_fr_col dd 0x0 ;+12
.int_fr_col dd 0xffffff ;+16
.draw_text_flag dd 1 ;+20
.text_pointer dd 0 ;+24
.text_position dd 0 ;+28
.font_number dd 0 ;+32
.font_size_y dd 9 ;+36
.font_color dd 0x0 ;+40
.font_backgr_color dd 0xffffff ;+44
;---------------------------------------------------------------------
PathShow_data_1:
.type dd 0 ;+0
.start_y dw frame_2.y+14 ;+4
.start_x dw frame_2.x+20 ;+6
.font_size_x dw 6 ;+8 ; 6 - for font 0, 8 - for font 1
.area_size_x dw frame_2.width-35 ;+10
.font_number dd 0 ;+12 ; 0 - monospace, 1 - variable
.background_flag dd 0 ;+16
.font_color dd 0 ;+20
.background_color dd 0 ;+24
.text_pointer dd fname_buf ;+28
.work_area_pointer dd text_work_area ;+32
.temp_text_length dd 0 ;+36
;---------------------------------------------------------------------
OpenDialog_data:
.type dd 1 ; Save
.procinfo dd procinfo ;+4
.com_area_name dd communication_area_name ;+8
.com_area dd 0 ;+12
.opendir_path dd temp_dir_path ;+16
.dir_default_path dd communication_area_default_path ;+20
.start_path dd open_dialog_path ;+24
.draw_window dd draw_window ;+28
.status dd 0 ;+32
.openfile_pach dd fname_buf ;+36
.filename_area dd filename_area ;+40
.filter_area dd Filter
.x:
.x_size dw 420 ;+48 ; Window X size
.x_start dw 200 ;+50 ; Window X position
.y:
.y_size dw 320 ;+52 ; Window y size
.y_start dw 120 ;+54 ; Window Y position
communication_area_name:
db 'FFFFFFFF_open_dialog',0
open_dialog_path:
db '/sys/File Managers/opendial',0
communication_area_default_path:
db '/sys',0
Filter:
dd Filter.end - Filter
.1:
db 'IMG',0
db 'IMA',0
.end:
db 0
start_temp_file_name: db 'some.garbage',0
start_file_path: db '/sys/.download', 0
;---------------------------------------------------------------------
document_user db 'http://'
;---------------------------------------------------------------------
IM_END:
;---------------------------------------------------------------------
params rb URLMAXLEN
;---------------------------------------------------------------------
sc system_colors
;---------------------------------------------------------------------
identifier dd ?
;---------------------------------------------------------------------
filename_area:
rb 256
;---------------------------------------------------------------------
temp_dir_path:
rb 4096
;---------------------------------------------------------------------
procinfo:
rb 1024
;---------------------------------------------------------------------
fname_buf:
rb 4096
;---------------------------------------------------------------------
text_work_area:
rb 1024
;---------------------------------------------------------------------
rb 4096
stacktop:
;---------------------------------------------------------------------
I_END:
;---------------------------------------------------------------------
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