425 lines
13 KiB
C
425 lines
13 KiB
C
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/* c4coml.c (c)Copyright Sequiter Software Inc., 1988-1996. All rights reserved.*/
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#include "d4all.h"
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#ifndef S4OFF_COMMUNICATIONS
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#ifdef S4LOCAL
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CONNECTION4NET *S4FUNCTION connection4netAlloc( SOCKET4NET *socket4net )
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{
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CONNECTION4NET *net ;
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HINSTANCE hInst ;
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int rc = 0 ;
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CODE4 *c4 ;
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#ifdef E4PARM_LOW
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if ( socket4net == 0 )
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{
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error4( 0, e4parm_null, E90201 ) ;
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return 0 ;
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}
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#endif
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c4 = socket4net->c4 ;
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if ( c4->connectionNetMemory == 0 )
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{
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#ifdef S4SERVER
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c4->connectionNetMemory = mem4create( c4, 10, sizeof( CONNECTION4NET ), 5, 0 ) ;
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#else
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c4->connectionNetMemory = mem4create( c4, 2, sizeof( CONNECTION4NET ), 1, 0 ) ;
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#endif
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if ( c4->connectionNetMemory == 0 )
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return 0 ;
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}
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net = (CONNECTION4NET *)mem4alloc( c4->connectionNetMemory ) ;
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if( net == 0 )
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rc = e4memory ;
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else
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{
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net->c4 = c4 ;
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hInst = socket4net->hInst ;
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if( hInst == 0 )
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rc = e4loadlib ;
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else
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{
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net->hInst = hInst ;
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#ifdef S4WIN32
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c4getFuncPtr( hInst, "connection4netAlloc", (void **)(&(net->alloc)) ) ;
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#else
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c4getFuncPtr( hInst, "CONNECTION4NETALLOC", (void **)(&(net->alloc)) ) ;
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#endif
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if( net->alloc == 0 )
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rc = e4loadlib ;
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else
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{
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if( ( net->connection4net = (*net->alloc)(socket4net->socket4net) ) == 0 )
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rc = e4memory ;
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else
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{
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#ifdef S4WIN32
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c4getFuncPtr( hInst, "connection4netInit", (void **)(&net->init) ) ;
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c4getFuncPtr( hInst, "connection4netInitUndo", (void **)(&net->initUndo) ) ;
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c4getFuncPtr( hInst, "connection4netFree", (void **)(&net->free) ) ;
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c4getFuncPtr( hInst, "connection4netDisconnect", (void **)(&net->disconnect) ) ;
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#ifdef S4SERVER
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c4getFuncPtr( hInst, "connection4netDisconnected", (void **)(&net->disconnected) ) ;
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c4getFuncPtr( hInst, "connection4netUserId", (void **)(&net->userId) ) ;
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#endif
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c4getFuncPtr( hInst, "connection4netId", (void **)(&net->id) ) ;
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c4getFuncPtr( hInst, "connection4netDestId", (void **)(&net->destId) ) ;
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c4getFuncPtr( hInst, "connection4netSend", (void **)(&net->send) ) ;
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c4getFuncPtr( hInst, "connection4netMessageLen", (void **)(&net->messageLen) ) ;
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#else /* Not S4WIN32 */
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c4getFuncPtr( hInst, "CONNECTION4NETINIT", (void **)(&net->init) ) ;
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c4getFuncPtr( hInst, "CONNECTION4NETINITUNDO", (void **)(&net->initUndo) ) ;
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c4getFuncPtr( hInst, "CONNECTION4NETFREE", (void **)(&net->free) ) ;
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c4getFuncPtr( hInst, "CONNECTION4NETDISCONNECT", (void **)(&net->disconnect) ) ;
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#ifdef S4SERVER
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c4getFuncPtr( hInst, "CONNECTION4NETDISCONNECTED", (void **)(&net->disconnected) ) ;
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c4getFuncPtr( hInst, "CONNECTION4NETUSERID", (void **)(&net->userId) ) ;
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#endif
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c4getFuncPtr( hInst, "CONNECTION4NETID", (void **)(&net->id) ) ;
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c4getFuncPtr( hInst, "CONNECTION4NETDESTID", (void **)(&net->destId) ) ;
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c4getFuncPtr( hInst, "CONNECTION4NETSEND", (void **)(&net->send) ) ;
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c4getFuncPtr( hInst, "CONNECTION4NETMESSAGELEN", (void **)(&net->messageLen) ) ;
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#endif /* S4WIN32 */
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if ( net->init == 0 || net->initUndo == 0 || net->free == 0 ||
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#ifdef S4SERVER
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net->disconnected == 0 || net->userId == 0 ||
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#endif
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net->disconnect == 0 || net->id == 0 || net->destId == 0 ||
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net->send == 0 || net->messageLen == 0 )
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rc = e4loadlib ;
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else
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socket4net->hInst = hInst ;
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}
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}
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}
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}
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if ( rc < 0 )
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{
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if( net )
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u4free( net ) ;
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if ( error4code( socket4net->c4 ) == 0 )
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error4( socket4net->c4, rc, E90201 ) ;
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}
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return net ;
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}
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int S4FUNCTION connection4netDisconnect( CONNECTION4NET *net )
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{
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if ( net->disconnect == 0 )
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return error4( net->c4, e4loadlib, E90201 ) ;
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return (( *net->disconnect )( net->connection4net )) ;
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}
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#ifdef S4SERVER
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int S4FUNCTION connection4netDisconnected( CONNECTION4NET *net )
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{
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if ( net->disconnected == 0 )
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return error4( net->c4, e4loadlib, E90201 ) ;
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return ( *net->disconnected )( net->connection4net ) ;
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}
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char *S4FUNCTION connection4netUserId( CONNECTION4NET *net )
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{
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if ( net->userId == 0 )
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{
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error4( net->c4, e4loadlib, E90201 ) ;
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return 0 ;
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}
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return (char *)(( *net->userId )( net->connection4net )) ;
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}
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#endif
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int S4FUNCTION connection4netFree( CONNECTION4NET *net )
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{
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int rc ;
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if ( net->free == 0 )
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return error4( net->c4, e4loadlib, E90201 ) ;
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rc = (*net->free)(net->connection4net) ;
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mem4free( net->c4->connectionNetMemory, net ) ;
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return rc ;
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}
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int S4FUNCTION connection4netInit( CONNECTION4NET *net, SOCKET4NET *socket4net )
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{
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if ( net->init == 0 )
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return error4( net->c4, e4loadlib, E90201 ) ;
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return ( *net->init )( net->connection4net, socket4net->socket4net ) ;
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}
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int S4FUNCTION connection4netInitUndo( CONNECTION4NET *net )
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{
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if ( net->initUndo == 0 )
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return error4( net->c4, e4loadlib, E90201 ) ;
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return ( *net->initUndo )( net->connection4net ) ;
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}
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long S4FUNCTION connection4netDestId( const CONNECTION4NET *net )
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{
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if ( net->destId == 0 )
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return error4( net->c4, e4loadlib, E90201 ) ;
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return ( *net->destId )( net->connection4net ) ;
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}
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CONNECTION4ID S4FUNCTION connection4netId( const CONNECTION4NET *net )
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{
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if ( net->id == 0 )
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return error4( net->c4, e4loadlib, E90201 ) ;
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return ( *net->id )( net->connection4net ) ;
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}
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S4CONST unsigned short S4FUNCTION connection4netMessageLen( CONNECTION4NET *net )
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{
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if ( net->messageLen == 0 )
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return error4( net->c4, e4loadlib, E90201 ) ;
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return ( *net->messageLen )( net->connection4net ) ;
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}
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int S4FUNCTION connection4netSend( CONNECTION4NET *net, const MESSAGE4 *message )
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{
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if ( net->send == 0 )
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return error4( net->c4, e4loadlib, E90201 ) ;
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return ( *net->send )( net->connection4net, message ) ;
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}
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void S4FUNCTION c4getFuncPtr( HINSTANCE hInst, char * funcName, void **function )
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{
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*function = (void *)GetProcAddress( hInst, funcName ) ;
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}
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void S4FUNCTION socket4netYield( const SOCKET4NET *net )
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{
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if ( net->yield == 0 )
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error4( net->c4, e4loadlib, E90235 ) ;
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else
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( *net->yield )( net->socket4net ) ;
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}
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MESSAGE4 *S4FUNCTION socket4netReceive( SOCKET4NET *net )
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{
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if ( net->receive == 0 )
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{
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error4( net->c4, e4loadlib, E90201 ) ;
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return 0 ;
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}
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return (MESSAGE4 *)( *net->receive )( net->socket4net ) ;
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}
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#ifdef S4SERVER
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int S4FUNCTION socket4netConnectClient( SOCKET4NET *net, CONNECTION4 *connection, CONNECTION4NET *connect4net )
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{
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if ( net->connectClient == 0 )
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return error4( net->c4, e4loadlib, E90201 ) ;
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return ( *net->connectClient )( net->socket4net, connection, connect4net->connection4net ) ;
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}
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int S4FUNCTION socket4netInitServer( SOCKET4NET *net, const char *c1, const char *c2 )
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{
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if ( net->initServer == 0 )
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return error4( net->c4, e4loadlib, E90201 ) ;
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return ( *net->initServer )( net->socket4net, c1, c2 ) ;
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}
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#else
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int S4FUNCTION socket4netConnectServer( SOCKET4NET *net, CONNECTION4NET *connection, const char *s1, const char *s2 )
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{
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if ( net->connectServer == 0 )
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return error4( net->c4, e4loadlib, E90201 ) ;
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return ( *net->connectServer )( net->socket4net, connection->connection4net, s1, s2 ) ;
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}
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#endif
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int S4FUNCTION socket4netInitUndo( SOCKET4NET *net )
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{
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int rc = 0 ;
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if ( net->initUndone == 0 )
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{
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if ( net->initUndo == 0 )
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return error4( net->c4, e4loadlib, E90201 ) ;
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rc = ( *net->initUndo )( net->socket4net ) ;
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net->initUndone = 1 ;
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}
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return rc ;
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}
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SOCKET4NET *S4FUNCTION socket4netAlloc( SOCKET4 *socket )
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{
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SOCKET4NET *net ;
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HINSTANCE hInst ;
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int rc = 0 ;
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#ifdef E4PARM_LOW
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if ( socket == 0 )
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{
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error4( 0, e4parm_null, E90201 ) ;
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return 0 ;
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}
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#endif
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net = (SOCKET4NET *)u4allocFree( socket->cb, sizeof( SOCKET4NET ) ) ;
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if( net == 0 )
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rc = e4memory;
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else
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{
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net->c4 = socket->cb ;
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if( net->c4->hInstLocal )
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hInst = net->c4->hInstLocal ;
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else
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hInst = LoadLibrary( net->c4->protocol ) ;
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#ifdef S4WIN32
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if( hInst == NULL )
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#else
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if( hInst < HINSTANCE_ERROR )
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#endif
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rc = e4loadlib ;
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else
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{
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#ifdef S4WIN32
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c4getFuncPtr( hInst, "socket4netAlloc", (void **)&net->alloc ) ;
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#else
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c4getFuncPtr( hInst, "SOCKET4NETALLOC", (void **)&net->alloc ) ;
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#endif
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if( net->alloc == 0 )
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rc = e4loadlib ;
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else
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{
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if( ( net->socket4net = (*net->alloc)((LPSTR)socket) ) == 0 )
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rc = e4memory ;
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else
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{
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#ifdef S4WIN32
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c4getFuncPtr( hInst, "socket4netFree", (void **)(&net->free) ) ;
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c4getFuncPtr( hInst, "socket4netInitUndo", (void **)(&net->initUndo) ) ;
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c4getFuncPtr( hInst, "socket4netReceive", (void **)(&net->receive) ) ;
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c4getFuncPtr( hInst, "socket4netYield", (void **)(&net->yield) ) ;
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#ifdef S4SERVER
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c4getFuncPtr( hInst, "socket4netShutdownAdvertising", (void **)(&net->shutdownAdvertising) ) ;
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c4getFuncPtr( hInst, "socket4netConnected", (void **)(&net->connected) ) ;
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c4getFuncPtr( hInst, "socket4netConnectClient", (void **)(&net->connectClient) ) ;
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c4getFuncPtr( hInst, "socket4netInitServer", (void **)(&net->initServer) ) ;
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#else
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c4getFuncPtr( hInst, "socket4netConnectServer", (void **)(&net->connectServer) ) ;
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#endif
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#else /* Not S4WIN32 */
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c4getFuncPtr( hInst, "SOCKET4NETFREE", (void **)(&net->free) ) ;
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c4getFuncPtr( hInst, "SOCKET4NETINITUNDO", (void **)(&net->initUndo) ) ;
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c4getFuncPtr( hInst, "SOCKET4NETRECEIVE", (void **)(&net->receive) ) ;
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c4getFuncPtr( hInst, "SOCKET4NETYIELD", (void **)(&net->yield) ) ;
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#ifdef S4SERVER
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c4getFuncPtr( hInst, "SOCKET4NETSHUTDOWNADVERTISING", (void **)(&net->shutdownAdvertising) ) ;
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c4getFuncPtr( hInst, "SOCKET4NETCONNECTED", (void **)(&net->connected) ) ;
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c4getFuncPtr( hInst, "SOCKET4NETCONNECTCLIENT", (void **)(&net->connectClient) ) ;
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c4getFuncPtr( hInst, "SOCKET4NETINITSERVER", (void **)(&net->initServer) ) ;
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#else
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c4getFuncPtr( hInst, "SOCKET4NETCONNECTSERVER", (void **)(&net->connectServer) ) ;
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#endif
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#endif /* S4WIN32 */
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if ( net->free == 0 || net->initUndo == 0 ||
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net->receive == 0 || net->yield == 0 ||
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#ifdef S4SERVER
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||
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|
net->connectClient == 0 || net->initServer == 0 || net->connected == 0 ||
|
||
|
|
net->shutdownAdvertising == 0
|
||
|
|
#else
|
||
|
|
net->connectServer == 0
|
||
|
|
#endif
|
||
|
|
)
|
||
|
|
rc = e4loadlib ;
|
||
|
|
else
|
||
|
|
{
|
||
|
|
net->hInst = hInst ;
|
||
|
|
net->c4->hInstLocal = hInst ;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if ( rc < 0 )
|
||
|
|
{
|
||
|
|
if ( net != 0 )
|
||
|
|
if ( net->free != 0 ) /* make sure shutdown is done properly */
|
||
|
|
rc = (*net->free)(net->socket4net) ;
|
||
|
|
FreeLibrary( hInst ) ;
|
||
|
|
net->c4->hInstLocal = 0 ;
|
||
|
|
if ( net != 0 )
|
||
|
|
{
|
||
|
|
u4free( net ) ;
|
||
|
|
net = 0 ;
|
||
|
|
}
|
||
|
|
error4( socket->cb, rc, E90201 ) ;
|
||
|
|
return 0 ;
|
||
|
|
}
|
||
|
|
return net ;
|
||
|
|
}
|
||
|
|
|
||
|
|
int S4FUNCTION socket4netFree( SOCKET4NET *net )
|
||
|
|
{
|
||
|
|
int rc ;
|
||
|
|
|
||
|
|
if ( net->free == 0 )
|
||
|
|
return error4( net->c4, e4loadlib, E90201 ) ;
|
||
|
|
rc = (*net->free)(net->socket4net) ;
|
||
|
|
|
||
|
|
FreeLibrary( net->hInst ) ;
|
||
|
|
net->c4->hInstLocal = 0 ;
|
||
|
|
|
||
|
|
u4free( net ) ;
|
||
|
|
|
||
|
|
return rc ;
|
||
|
|
}
|
||
|
|
|
||
|
|
#ifdef S4SERVER
|
||
|
|
int S4FUNCTION socket4netConnected( SOCKET4NET *net )
|
||
|
|
{
|
||
|
|
if ( net->connected == 0 )
|
||
|
|
return error4( net->c4, e4loadlib, E90201 ) ;
|
||
|
|
|
||
|
|
return ( *net->connected )( net->socket4net ) ;
|
||
|
|
}
|
||
|
|
|
||
|
|
int S4FUNCTION socket4netShutdownAdvertising( SOCKET4NET *net )
|
||
|
|
{
|
||
|
|
if ( net->shutdownAdvertising == 0 )
|
||
|
|
return error4( net->c4, e4loadlib, E90208 ) ;
|
||
|
|
|
||
|
|
return ( *net->shutdownAdvertising )( net->socket4net ) ;
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#endif /* S4LOCAL */
|
||
|
|
#endif /* S4OFF_COMMUNICATIONS */
|