/*
- * Copyright (c) 1995-2000, Index Data.
+ * Copyright (c) 1995-2001, Index Data.
*
* Permission to use, copy, modify, distribute, and sell this software and
* its documentation, in whole or in part, for any purpose, is hereby granted,
* LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
* OF THIS SOFTWARE.
*
- * $Id: comstack.h,v 1.2 2000-02-28 11:20:06 adam Exp $
+ * $Id: comstack.h,v 1.7 2001-10-22 16:00:04 adam Exp $
*/
#ifndef COMSTACK_H
struct comstack;
typedef struct comstack *COMSTACK;
-typedef COMSTACK (*CS_TYPE)(int s, int blocking, int protocol);
+typedef COMSTACK (*CS_TYPE)(int s, int blocking, int protocol, void *vp);
struct comstack
{
void *cprivate;/* state info for lower stack */
int more; /* connection has extra data in buffer */
int state; /* current state */
-#define CS_UNBND 0
-#define CS_IDLE 1
-#define CS_INCON 2
-#define CS_OUTCON 3
-#define CS_DATAXFER 4
+#define CS_ST_UNBND 0
+#define CS_ST_IDLE 1
+#define CS_ST_INCON 2
+#define CS_ST_OUTCON 3
+#define CS_ST_DATAXFER 4
+#define CS_ST_ACCEPT 5
+#define CS_ST_CONNECTING 6
int newfd; /* storing new descriptor between listen and accept */
int blocking; /* is this link (supposed to be) blocking? */
+ unsigned io_pending; /* flag to signal read / write op is incomplete */
int event; /* current event */
#define CS_NONE 0
#define CS_CONNECT 1
int (*f_close)(COMSTACK handle);
char *(*f_addrstr)(COMSTACK handle);
void *(*f_straddr)(COMSTACK handle, const char *str);
+ int (*f_set_blocking)(COMSTACK handle, int blocking);
};
#define cs_put(handle, buf, size) ((*(handle)->f_put)(handle, buf, size))
#define cs_listen_check(handle, ap, al, cf, cd) ((*(handle)->f_listen)(handle, ap, al, cf, cd))
#define cs_accept(handle) ((*(handle)->f_accept)(handle))
#define cs_close(handle) ((*(handle)->f_close)(handle))
-#define cs_create(type, blocking, proto) ((*type)(-1, blocking, proto))
+#define cs_create(type, blocking, proto) ((*type)(-1, blocking, proto, 0))
#define cs_createbysocket(sock, type, blocking, proto) \
- ((*type)(sock, blocking, proto))
+ ((*type)(sock, blocking, proto, 0))
#define cs_type(handle) ((handle)->type)
#define cs_fileno(handle) ((handle)->iofile)
#define cs_stackerr(handle) ((handle)->stackerr)
#define cs_getproto(handle) ((handle)->protocol)
#define cs_addrstr(handle) ((*(handle)->f_addrstr)(handle))
#define cs_straddr(handle, str) ((*(handle)->f_straddr)(handle, str))
-
+#define cs_want_read(handle) ((handle)->io_pending & CS_WANT_READ)
+#define cs_want_write(handle) ((handle)->io_pending & CS_WANT_WRITE)
+#define cs_set_blocking(handle,blocking) ((handle)->f_set_blocking(handle, blocking)
+
+#define CS_WANT_READ 1
+#define CS_WANT_WRITE 2
+YAZ_EXPORT int cs_look (COMSTACK);
YAZ_EXPORT const char *cs_strerror(COMSTACK h);
YAZ_EXPORT const char *cs_errmsg(int n);
-
+YAZ_EXPORT COMSTACK cs_create_host(const char *type_and_host,
+ int blocking, void **vp);
/*
* error management.
*/
-
+
#define CSNONE 0
#define CSYSERR 1
#define CSOUTSTATE 2
#define CSNODATA 3
#define CSWRONGBUF 4
#define CSDENY 5
+#define CSERRORSSL 6
/* backwards compatibility */
#define CS_SR PROTO_SR