From: Adam Dickmeiss <adam@indexdata.dk>
Date: Thu, 8 Mar 2001 20:18:55 +0000 (+0000)
Subject: Added cs_set_blocking. Patch from Matthew Carey.
X-Git-Tag: YAZ.1.8~119
X-Git-Url: http://sru.miketaylor.org.uk/cgi-bin?a=commitdiff_plain;h=03c1d6e9c2c2c0bb2ee01e38d7f464a311bfe9e9;p=yaz-moved-to-github.git

Added cs_set_blocking. Patch from Matthew Carey.
---

diff --git a/CHANGELOG b/CHANGELOG
index aff4ee6..e94a83e 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,5 +1,8 @@
 Possible compatibility problems with earlier versions marked with '*'.
 
+Added cs_set_blocking to set change blocking mode of a COMSTACK. Thanks
+to Matthew Carey.
+
 CCL operator names may be set in field definition files (CCL_bibset).
 See ccl/bib1 for an example.
 
diff --git a/comstack/tcpip.c b/comstack/tcpip.c
index 1d02f4e..6887469 100644
--- a/comstack/tcpip.c
+++ b/comstack/tcpip.c
@@ -1,10 +1,12 @@
 /*
- * Copyright (c) 1995-2000, Index Data
+ * Copyright (c) 1995-2001, Index Data
  * See the file LICENSE for details.
- * Sebastian Hammer, Adam Dickmeiss
  *
  * $Log: tcpip.c,v $
- * Revision 1.36  2001-02-21 13:46:53  adam
+ * Revision 1.37  2001-03-08 20:18:55  adam
+ * Added cs_set_blocking. Patch from Matthew Carey.
+ *
+ * Revision 1.36  2001/02/21 13:46:53  adam
  * C++ fixes.
  *
  * Revision 1.35  2000/11/27 15:17:40  adam
@@ -214,6 +216,7 @@ int tcpip_bind(COMSTACK h, void *address, int mode);
 int tcpip_listen(COMSTACK h, char *raddr, int *addrlen,
 		 int (*check_ip)(void *cd, const char *a, int len, int type),
 		 void *cd);
+int static tcpip_set_blocking(COMSTACK p, int blocking);
 
 #if HAVE_OPENSSL_SSL_H
 int ssl_get(COMSTACK h, char **buf, int *bufsize);
@@ -336,6 +339,7 @@ COMSTACK tcpip_type(int s, int blocking, int protocol, void *vp)
     p->f_accept = tcpip_accept;
     p->f_addrstr = tcpip_addrstr;
     p->f_straddr = tcpip_straddr;
+    p->f_set_blocking = tcpip_set_blocking;
 
     p->state = new_socket ? CS_UNBND : CS_IDLE; /* state of line */
     p->event = CS_NONE;
@@ -1134,3 +1138,27 @@ char *tcpip_addrstr(COMSTACK h)
 #endif
     return buf;
 }
+
+int static tcpip_set_blocking(COMSTACK p, int blocking)
+{
+    unsigned long flag;
+    
+    if (p->blocking == blocking)
+	return 1;
+    if(blocking)
+#ifdef WIN32
+        flag = blocking;
+    if (ioctlsocket(p->iofile, FIONBIO, &flag) < 0)
+	return 0;
+#else
+    flag = fcntl(p->iofile, F_GETFL, 0);
+    if(!blocking)
+	flag = flag & ~O_NONBLOCK;
+    else
+        flag = flag | O_NONBLOCK;
+    if (fcntl(p->iofile, F_SETFL, flag) < 0)
+	return 0;
+#endif
+    p->blocking = blocking;
+    return 1;
+}
diff --git a/include/yaz/comstack.h b/include/yaz/comstack.h
index 8abe302..224c8d2 100644
--- a/include/yaz/comstack.h
+++ b/include/yaz/comstack.h
@@ -1,5 +1,5 @@
 /*
- * 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,
@@ -23,7 +23,7 @@
  * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
  * OF THIS SOFTWARE.
  *
- * $Id: comstack.h,v 1.3 2000-11-23 10:58:32 adam Exp $
+ * $Id: comstack.h,v 1.4 2001-03-08 20:18:55 adam Exp $
  */
 
 #ifndef COMSTACK_H
@@ -111,6 +111,7 @@ struct comstack
     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))
@@ -136,6 +137,7 @@ struct comstack
 #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