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Diffstat (limited to 'src/libs/network/connect/listen.h')
-rw-r--r-- | src/libs/network/connect/listen.h | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/src/libs/network/connect/listen.h b/src/libs/network/connect/listen.h new file mode 100644 index 0000000..e44ef53 --- /dev/null +++ b/src/libs/network/connect/listen.h @@ -0,0 +1,106 @@ +/* + * Copyright 2006 Serge van den Boom <svdb@stack.nl> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#ifndef LIBS_NETWORK_CONNECT_LISTEN_H_ +#define LIBS_NETWORK_CONNECT_LISTEN_H_ + +typedef struct ListenFlags ListenFlags; +typedef enum { + Listen_closed, + Listen_resolving, + Listen_listening +} ListenStateState; +typedef struct ListenError ListenError; +typedef struct ListenState ListenState; + +#include "port.h" + +#ifdef USE_WINSOCK +// I do not want to include winsock2.h, because of possible conflicts with +// code that includes this file. +// Note that listen.c itself includes winsock2.h; SOCKLEN_T is used there +// only where necessary to keep the API consistent. +# define SOCKLEN_T size_t +struct sockaddr; +#else +# include <netinet/in.h> +# define SOCKLEN_T socklen_t +#endif + +#include "resolve.h" +#include "../socket/socket.h" + +#include "../netmanager/netmanager.h" + +// For listenPort() +struct ListenFlags { + ProtocolFamily familyDemand; + // Only accept a protocol family of this type. + // One of PF_inet, PF_inet6, or PF_unspec. + ProtocolFamily familyPrefer; + // Prefer a protocol family of this type. + // One of PF_inet, PF_inet6, or PF_unspec. + int backlog; + // As the 2rd parameter to listen(); +}; + +struct ListenError { + ListenStateState state; + // State where the error occured. + int err; + // errno value. Not relevant if state == resolving unless + // gaiRes == EAI_SYSTEM. + const ResolveError *resolveError; + // Only relevant if state == resolving. +}; + +typedef void (*ListenConnectCallback)(ListenState *listenState, + NetDescriptor *listenNd, NetDescriptor *newNd, + const struct sockaddr *addr, SOCKLEN_T addrLen); +typedef void (*ListenErrorCallback)(ListenState *listenState, + const ListenError *error); + +#ifdef LISTEN_INTERNAL +struct ListenState { + RefCount refCount; + + ListenStateState state; + ListenFlags flags; + + ListenConnectCallback connectCallback; + ListenErrorCallback errorCallback; + void *extra; + + ResolveState *resolveState; + NetDescriptor **nds; + size_t numNd; + // INV: (numNd == NULL) == (nds == NULL) +}; +#endif /* defined(LISTEN_INTERNAL) */ + +ListenState *listenPort(const char *service, Protocol proto, + const ListenFlags *flags, ListenConnectCallback connectCallback, + ListenErrorCallback errorCallback, void *extra); +void ListenState_close(ListenState *listenState); +void ListenState_incRef(ListenState *listenState); +bool ListenState_decRef(ListenState *listenState); +void ListenState_setExtra(ListenState *listenState, void *extra); +void *ListenState_getExtra(ListenState *listenState); + +#endif /* LIBS_NETWORK_CONNECT_LISTEN_H_ */ + |