;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; ;;
;; Copyright (C) KolibriOS team 2004-2013. All rights reserved. ;;
;; Distributed under terms of the GNU General Public License ;;
;; ;;
;; ;;
;; GNU GENERAL PUBLIC LICENSE ;;
;; Version 2, June 1991 ;;
;; ;;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
socket_connect:
; cmp [status], STATUS_CONNECTED ; TODO
; je disconnect
; ignore if status is not "disconnected"
cmp [status], STATUS_DISCONNECTED
jne .nothing
mov esi, str_connecting
call print_text2
mov esi, irc_server_name
call print_text2
mov esi, str_dotnewline
call print_text2
; update status
inc [status] ; was STATUS_DISCONNECTED, now STATUS_RESOLVING
; resolve name
push esp ; reserve stack place
push esp ; fourth parameter
push 0 ; third parameter
push 0 ; second parameter
push irc_server_name
call [getaddrinfo]
pop esi
; test for error
test eax, eax
jnz .fail_dns
; fill in ip in sockstruct
mov eax, [esi + addrinfo.ai_addr]
mov eax, [eax + sockaddr_in.sin_addr]
mov [sockaddr1.ip], eax
; free allocated memory
push esi
call [freeaddrinfo]
; update status
inc [status]
; connect
mcall socket, AF_INET4, SOCK_STREAM, 0
cmp eax, -1
jz .fail
mov [socketnum], eax
mcall connect, [socketnum], sockaddr1, 18
cmp eax, -1
jz .fail_refused
.nothing:
ret
.fail:
mov [status], STATUS_DISCONNECTED
mov esi, str_sockerr
call print_text2
ret
.fail_dns:
mov [status], STATUS_DISCONNECTED
mov esi, str_dnserr
call print_text2
ret
.fail_refused:
mov [status], STATUS_DISCONNECTED
mov esi, str_refused
call print_text2
ret
socket_write_userinfo:
; create packet in packetbuf
mov edi, packetbuf
mov eax, 'NICK'
stosd
mov al, ' '
stosb
mov esi, user_nick
mov ecx, MAX_NICK_LEN
.loop:
lodsb
test al, al
jz .done
stosb
dec ecx
jnz .loop
.done:
mov ax, 0x0d0a
stosw
mov eax, 'USER'
stosd
mov al, ' '
stosb
mov esi, user_nick
mov ecx, MAX_NICK_LEN
.loop2:
lodsb
test al, al
jz .done2
stosb
dec ecx
jnz .loop2
.done2:
mov eax, ' 8 *'
stosd
mov ax, ' :'
stosw
mov al, ' '
stosb
mov esi, user_real_name
mov ecx, MAX_REAL_LEN
.loop3:
lodsb
test al, al
jz .done3
stosb
dec ecx
jnz .loop3
.done3:
mov ax, 0x0d0a
stosw
lea esi, [edi - packetbuf]
mcall send, [socketnum], packetbuf, , 0
ret
process_network_event:
; values for status: 0, 1, 2, 3
mov eax, [status]
dec eax
; 0 = STATUS_DISCONNECTED - do nothing
; (ignore network events if we are disconnected from network)
js .nothing
; 1 = STATUS_RESOLVING
jz .nothing
; 2 = STATUS_CONNECTING
dec eax
jz .connecting
; 3 = STATUS_CONNECTED
jmp .connected
.nothing:
ret
.connecting:
call socket_write_userinfo
; The connection has been established, change status from "connecting" to "connected".
inc [status]
.connected:
call read_incoming_data
ret
disconnect:
cmp [status], STATUS_DISCONNECTED
je .nothing
mcall close, [socketnum]
mov [status], STATUS_DISCONNECTED
.nothing:
ret
read_incoming_data:
pusha
; TODO: read more data if we receive one full packet
.nextpacket:
mcall recv, [socketnum], packetbuf, 1024 ; read a packet
inc eax ; check if we got one
jz .done
dec eax
jz .done
; ok we have data, now feed it to the recoder
lea edx, [packetbuf + eax] ; edx = end pointer
mov esi, packetbuf ; esi = start pointer
.nextcommand:
mov edi, servercommand
.byteloop:
call get_next_byte ; reads byte from [esi] to al
jnc .nextpacket ; if CF is set, we need more data
cmp al, 10
je .got_command
cmp al, 13
je .got_command
stosb
jmp .byteloop
; we have a command, call the serverparser
.got_command:
mov byte[edi], 0 ; mark the end of the command
push esi edx
call server_parser
pop edx esi
jmp .nextcommand
.done:
popa
ret