libgaim/protocols/zephyr/ZSendPkt.c

changeset 14254
77edc7a6191a
parent 14253
b63ebf84c42b
child 20470
77693555855f
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/libgaim/protocols/zephyr/ZSendPkt.c	Sat Aug 19 01:50:10 2006 +0000
@@ -0,0 +1,63 @@
+/* This file is part of the Project Athena Zephyr Notification System.
+ * It contains source for the ZSendPacket function.
+ *
+ *	Created by:	Robert French
+ *
+ *	Copyright (c) 1987,1991 by the Massachusetts Institute of Technology.
+ *	For copying and distribution information, see the file
+ *	"mit-copyright.h". 
+ */
+
+#include "internal.h"
+#ifdef WIN32
+#include <winsock.h>
+#else
+#include <sys/socket.h>
+#endif
+
+static int wait_for_hmack(ZNotice_t *notice, void *uid);
+
+Code_t ZSendPacket(packet, len, waitforack)
+    char *packet;
+    int len;
+    int waitforack;
+{
+    Code_t retval;
+    struct sockaddr_in dest;
+    ZNotice_t notice, acknotice;
+	
+    if (!packet || len < 0)
+	return (ZERR_ILLVAL);
+
+    if (len > Z_MAXPKTLEN)
+	return (ZERR_PKTLEN);
+    
+    if (ZGetFD() < 0)
+	if ((retval = ZOpenPort((unsigned short *)0)) != ZERR_NONE)
+	    return (retval);
+
+    dest = ZGetDestAddr();
+	
+    if (sendto(ZGetFD(), packet, len, 0, (struct sockaddr *)&dest,
+	       sizeof(dest)) < 0)
+	return (errno);
+
+    if (!waitforack)
+	return (ZERR_NONE);
+
+    if ((retval = ZParseNotice(packet, len, &notice)) != ZERR_NONE)
+	return (retval);
+    
+    retval = Z_WaitForNotice (&acknotice, wait_for_hmack, &notice.z_uid,
+			      HM_TIMEOUT);
+    if (retval == ETIMEDOUT)
+      return ZERR_HMDEAD;
+    if (retval == ZERR_NONE)
+      ZFreeNotice (&acknotice);
+    return retval;
+}
+
+static int wait_for_hmack(ZNotice_t *notice, void *uid)
+{
+    return (notice->z_kind == HMACK && ZCompareUID(&notice->z_uid, (ZUnique_Id_t *)uid));
+}

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