136 lines
4.5 KiB
Text
136 lines
4.5 KiB
Text
;************************
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;* Library : lsocket.pbi
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;*
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;* Socket based Networkcommuncation Module.
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;*
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;* Created and develobed by Linder Hard- und Software
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;*
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;* Current only usable for Linux.
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;*
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;*
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CompilerIf #PB_Compiler_OS <> #PB_OS_Linux
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CompilerError "Only for Linux"
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CompilerEndIf
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;***********************
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;* The SIGPIPE Signal must be Handled Inside / Ignored
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#SIGPIPE = 13
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Procedure SignalIgnore()
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Debug("Signal Ignore")
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EndProcedure
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;***********************
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signal_(#SIGPIPE, @SignalIgnore());
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DeclareModule lsocket
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Structure sockaddr
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sa_family.w
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sa_data.s{14}
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EndStructure
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Structure in_addr
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s_addr.l
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EndStructure
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Structure sockaddr_in
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sin_family.w
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sin_port.w
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sin_addr.in_addr
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sin_zero.a[8]
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EndStructure
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; Socket types:
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#SOCK_STREAM = 1 ; stream (connection) socket
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#SOCK_DGRAM = 2 ; datagram (conn.less) socket
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#SOCK_RAW = 3 ; raw socket
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#SOCK_RDM = 4 ; reliably-delivered message
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#SOCK_SEQPACKET = 5 ; sequential packet socket
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#SOCK_PACKET = 10 ; linux specific way of
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; getting packets at the dev
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; level. For writing rarp And
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; other similar things on the
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; user level.
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; socket.h
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#PF_INET = 2
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#AF_INET = #PF_INET
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Declare CreateSocket(Port.i, Queuelengt.i = 64, Type.i = #SOCK_STREAM, Protocol.i = #AF_INET, BindedIP.s = "127.0.0.1") ; Return Server Socket < 0 Error
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Declare WaitSocket(ServerSocket.i) ;Return new SocketID
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Declare ReadSocket(ClientSocket.i, *Buffer, Length.i) ;Return Effective Read
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Declare WriteSocket(ClientSocket.i, *Buffer, Length.i) ;Return Effective Writen
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Declare CloseSocket(Socket.i)
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Declare.s GetSocketIP(Socket.i)
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EndDeclareModule
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Module lsocket
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Global NewMap lsockets_server.sockaddr_in()
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Global NewMap lsockets_client.sockaddr_in()
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Procedure CreateSocket(Port.i, Queuelengt.i = 64, Type.i = #SOCK_STREAM, Protocol.i = #AF_INET, BindedIP.s = "127.0.0.1") ; Return Server Socket < 0 Error
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Protected SocketID.i
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SocketID = socket_(Protocol, Type, 0)
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If SocketID = -1 : ProcedureReturn -1 : EndIf
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lsockets_server(Str(SocketID))\sin_family = Protocol
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lsockets_server(Str(SocketID))\sin_addr\s_addr = Inet_addr_(BindedIP)
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lsockets_server(Str(SocketID))\sin_port = htons_(Port)
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If bind_(SocketID, @lsockets_server(Str(SocketID)), SizeOf(sockaddr_in)) <> 0
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Close_(SocketID)
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DeleteMapElement(lsockets_server(), Str(SocketID))
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ProcedureReturn -1
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Else
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If listen_(SocketID, Queuelengt) <> 0
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Close_(SocketID)
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DeleteMapElement(lsockets_server(), Str(SocketID))
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ProcedureReturn -1
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EndIf
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EndIf
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ProcedureReturn SocketID
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EndProcedure
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Procedure.s GetSocketIP(Socket.i)
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Protected IPAddresse.s
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If lsockets_client(Str(Socket))\sin_family = 0
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IPAddresse = PeekS(Inet_ntoa_(lsockets_client(Str(Socket))\sin_addr\s_addr), -1, #PB_Ascii)
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Else
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IPAddresse = PeekS(Inet_ntoa_(lsockets_client(Str(Socket))\sin_addr\s_addr), -1, #PB_Ascii)
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EndIf
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Debug "Requested IP Information:" + IPAddresse
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ProcedureReturn IPAddresse
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EndProcedure
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Procedure WaitSocket(ServerSocket.i) ;Return new ClientSocketID
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Protected ClientSID.i, MapID.s, ClientLength
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Protected memory
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memory = AllocateMemory(SizeOf(sockaddr_in))
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ClientLength = SizeOf(sockaddr_in)
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ClientSID = accept_(ServerSocket, memory, @ClientLength)
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If ClientSID < 0 : FreeMemory(memory) : ProcedureReturn ClientSID : EndIf
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MapID = Str(ClientSID)
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CopyMemory(memory, lsockets_client(MapID), ClientLength)
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Debug "Connected IP:" + PeekS(Inet_ntoa_(lsockets_client(MapID)\sin_addr\s_addr), -1, #PB_Ascii)
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FreeMemory(memory)
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ProcedureReturn ClientSID
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EndProcedure
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Procedure ReadSocket(ClientSocket.i, Buffer, Length.i) ;Return Effective Read
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Protected Effective.i
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Effective = read_(ClientSocket, Buffer, Length)
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ProcedureReturn Effective
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EndProcedure
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Procedure WriteSocket(ClientSocket.i, Buffer, Length.i) ;Return Effective Writen
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Protected Effective.i
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Effective = write_(ClientSocket, Buffer, Length)
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ProcedureReturn Effective
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EndProcedure
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Procedure CloseSocket(Socket.i)
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Protected Feedback.i
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Feedback = close_(Socket)
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ProcedureReturn Feedback
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EndProcedure
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EndModule
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