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