Initial revision

diff --git a/gen/networks.dc b/gen/networks.dc
new file mode 100644 (file)
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--- /dev/null
+++ b/gen/networks.dc
@@ -0,0 +1,118 @@
+/* $Header$
+ *
+ * This generates the network table.
+ *
+ *  (c) Copyright 1994 by the Massachusetts Institute of Technology.
+ *  For copying and distribution information, please see the file
+ *  <mit-copyright.h>.
+ */
+
+#include <mit-copyright.h>
+#include <stdio.h>
+#include <moira.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <sys/time.h>
+
+EXEC SQL INCLUDE sqlca;
+
+extern int errno;
+char *whoami = "network.gen";
+
+
+main(argc, argv)
+int argc;
+char **argv;
+{
+    FILE *out = stdout;
+    char *outf = NULL, outft[64], *p, buf[256];
+    struct stat sb;
+    struct timeval now;
+    int flag1, i;
+    EXEC SQL BEGIN DECLARE SECTION;
+    int id, addr;
+    char name[65], description[65];
+    EXEC SQL END DECLARE SECTION;
+
+#ifsql INGRES
+    EXEC SQL CONNECT moira;
+    EXEC SQL SET LOCKMODE SESSION WHERE LEVEL=TABLE, READLOCK=SHARED;
+#endsql
+#ifsql INFORMIX
+    EXEC SQL DATABASE moira;
+#endsql
+
+    if (argc == 2) { 
+       if (stat(argv[1], &sb) == 0) { 
+           if (ModDiff(&flag1, "subnet", sb.st_mtime))
+             exit(MR_DATE);
+           if (flag1 < 0) {
+               fprintf(stderr, "File %s does not need to be rebuilt.\n",
+                       argv[1]);
+               exit(MR_NO_CHANGE);
+           } 
+       }
+       outf = argv[1];
+       sprintf(outft, "%s~", outf);
+       if ((out = fopen(outft, "w")) == NULL) {
+           fprintf(stderr, "unable to open %s for output\n", outf);
+           exit(MR_OCONFIG);
+       }
+    } else if (argc != 1) {
+       fprintf(stderr, "usage: %s [outfile]\n", argv[0]);
+       exit(MR_ARGS);
+    } else {
+       outf = NULL;
+    }
+
+    EXEC SQL WHENEVER SQLERROR GOTO sqlerr;
+
+    gettimeofday(&now, NULL);
+    
+    fprintf(out, "; MIT Network Table\n;\n");
+    fprintf(out, "; \t%cAuthor: $\n", '$');
+    fprintf(out, "; \t%cDate: $\n", '$');
+    fprintf(out, "; \t%cRevision: $\n;\n", '$');
+    fprintf(out, "; Network table generated by Moira at %s;\n",
+           ctime(&now.tv_sec));
+
+    EXEC SQL DECLARE x CURSOR FOR SELECT 
+      name, snet_id, saddr, description
+      FROM subnet ORDER BY saddr;
+    EXEC SQL OPEN x;
+    while (1) {
+       EXEC SQL FETCH x INTO :name, :id, :addr, :description;
+       if (sqlca.sqlcode != 0) break;
+       if (id == 0) continue;
+       if (*strtrim(name) == 0) continue;
+       fprintf(out, "NETWORK : %-16.16s : %-13.13s : %s \n", name, inet_ntoa(htonl(addr)), 
+          description);
+    }
+
+    EXEC SQL CLOSE x;
+#ifsql INGRES
+    EXEC SQL DISCONNECT;
+#endsql
+#ifsql INFORMIX
+    EXEC SQL CLOSE DATABASE;
+#endsql
+
+    fprintf(out, "; End of automatically generated network table\n");
+    if (fclose(out)) {
+       perror("close failed");
+       exit(MR_CCONFIG);
+    }
+    if (outf)
+      fix_file(outf);
+    exit(MR_SUCCESS);
+
+ sqlerr:
+    com_err(whoami, MR_INGRES_ERR, " code %d\n", sqlca.sqlcode);
+#ifsql INGRES
+    if (sqlca.sqlcode == 17700 || sqlca.sqlcode == -37000)
+      exit(MR_DEADLOCK);
+#endsql
+    critical_alert("DCM", "Networks build encountered INGRES ERROR %d",
+                  sqlca.sqlcode);
+    exit(MR_INGRES_ERR);
+}