Pull in sources from zephyr locker. See /mit/zephyr/repository for

detailed change information.

1 files changed, 88 insertions, 0 deletions

diff --git a/lib/ZhmStat.c b/lib/ZhmStat.c
new file mode 100644
index 0000000..80f8ed4
--- /dev/null
+++ b/lib/ZhmStat.c
@@ -0,0 +1,88 @@
+/* This file is part of the Project Athena Zephyr Notification System.
+ * It contains the ZhmStat() function.
+ *
+ *      Created by:     Marc Horowitz
+ *
+ *      $Source$
+ *      $Author$
+ *
+ *      Copyright (c) 1996 by the Massachusetts Institute of Technology.
+ *      For copying and distribution information, see the file
+ *      "mit-copyright.h". 
+ */
+
+#include <internal.h>
+#include <sys/socket.h>
+
+static int outoftime = 0;
+
+static RETSIGTYPE timeout()
+{
+	outoftime = 1;
+}
+
+Code_t ZhmStat(hostaddr, notice)
+    struct in_addr *hostaddr;
+    ZNotice_t *notice;
+{
+    struct servent *sp;
+    struct sockaddr_in sin;
+    ZNotice_t req;
+    Code_t code;
+#ifdef _POSIX_VERSION
+    struct sigaction sa;
+#endif
+
+    (void) memset((char *)&sin, 0, sizeof(struct sockaddr_in));
+
+    sp = getservbyname(HM_SVCNAME, "udp");
+
+    sin.sin_port = (sp) ? sp->s_port : HM_SVC_FALLBACK;
+    sin.sin_family = AF_INET;
+
+    if (hostaddr)
+	sin.sin_addr = *hostaddr;
+    else
+	sin.sin_addr.s_addr = htonl(INADDR_LOOPBACK);
+
+    (void) memset((char *)&req, 0, sizeof(req));
+    req.z_kind = STAT;
+    req.z_port = 0;
+    req.z_class = HM_STAT_CLASS;
+    req.z_class_inst = HM_STAT_CLIENT;
+    req.z_opcode = HM_GIMMESTATS;
+    req.z_sender = "";
+    req.z_recipient = "";
+    req.z_default_format = "";
+    req.z_message_len = 0;
+	
+    if ((code = ZSetDestAddr(&sin)) != ZERR_NONE)
+	return(code);
+
+    if ((code = ZSendNotice(&req, ZNOAUTH)) != ZERR_NONE)
+	return(code);
+
+#ifdef _POSIX_VERSION
+    sigemptyset(&sa.sa_mask);
+    sa.sa_flags = 0;
+    sa.sa_handler = timeout;
+    (void) sigaction(SIGALRM, &sa, (struct sigaction *)0);
+#else
+    (void) signal(SIGALRM,timeout);
+#endif
+
+    outoftime = 0;
+    (void) alarm(10);
+
+    if (((code = ZReceiveNotice(notice, (struct sockaddr_in *) 0))
+	 != ZERR_NONE) &&
+	code != EINTR)
+	return(code);
+
+    (void) alarm(0);
+
+    if (outoftime)
+	return(ZERR_HMDEAD);
+
+    return(ZERR_NONE);
+}