[libvirt] [V2 Patch] virsh: Change log level order

Supriya Kannery supriyak at in.ibm.com
Fri May 20 09:35:28 UTC 2011


Change log level order so that messages at all other levels get logged
for "DEBUG" level. Replace magic numbers with corresponding VSH_ERR_xx.

Signed-off-by: Supriya Kannery <supriyak at in.ibm.com>

---
  tools/virsh.c |  119
  ++++++++++++++++++++++++++++++++--------------------------
  1 file changed, 67 insertions(+), 52 deletions(-)

Index: libvirt/tools/virsh.c
===================================================================
--- libvirt.orig/tools/virsh.c
+++ libvirt/tools/virsh.c
@@ -91,11 +91,11 @@ static char *progname;
   * Indicates the level of a log message
   */
  typedef enum {
-    VSH_ERR_DEBUG = 0,
-    VSH_ERR_INFO,
-    VSH_ERR_NOTICE,
+    VSH_ERR_ERROR = 0,
      VSH_ERR_WARNING,
-    VSH_ERR_ERROR
+    VSH_ERR_NOTICE,
+    VSH_ERR_INFO,
+    VSH_ERR_DEBUG
  } vshErrorLevel;

  /*
@@ -2146,7 +2146,8 @@ cmdDominfo(vshControl *ctl, const vshCmd

      /* Check and display whether the domain is persistent or not */
      persistent = virDomainIsPersistent(dom);
-    vshDebug(ctl, 5, "Domain persistent flag value: %d\n", persistent);
+    vshDebug(ctl, VSH_ERR_DEBUG, "Domain persistent flag value: %d\n",
+             persistent);
      if (persistent < 0)
          vshPrint(ctl, "%-15s %s\n", _("Persistent:"), _("unknown"));
      else
@@ -2928,7 +2929,7 @@ cmdSetvcpus(vshControl *ctl, const vshCm
          /* If the --maximum flag was given, we need to ensure only the
             --config flag is in effect as well */
          if (maximum) {
-            vshDebug(ctl, 5, "--maximum flag was given\n");
+            vshDebug(ctl, VSH_ERR_DEBUG, "--maximum flag was given\n");

              /* If neither the --config nor --live flags were given, OR
                 if just the --live flag was given, we need to error out
@@ -4020,7 +4021,7 @@ repoll:
          if ( timeout && ((int)(curr.tv_sec - start.tv_sec)  * 1000 + \
                           (int)(curr.tv_usec - start.tv_usec) / 1000) > 
timeout * 1000 ) {
              /* suspend the domain when migration timeouts. */
-            vshDebug(ctl, 5, "suspend the domain when migration 
timeouts\n");
+            vshDebug(ctl, VSH_ERR_DEBUG, "suspend the domain when 
migration timeouts\n");
              virDomainSuspend(dom);
              timeout = 0;
          }
@@ -6125,7 +6126,8 @@ cmdPoolList(vshControl *ctl, const vshCm
          /* Retrieve the persistence status of the pool */
          if (details) {
              persistent = virStoragePoolIsPersistent(pool);
-            vshDebug(ctl, 5, "Persistent flag value: %d\n", persistent);
+            vshDebug(ctl, VSH_ERR_DEBUG, "Persistent flag value: %d\n",
+                     persistent);
              if (persistent < 0)
                  poolInfoTexts[i].persistent = vshStrdup(ctl, 
_("unknown"));
              else
@@ -6316,19 +6318,19 @@ cmdPoolList(vshControl *ctl, const vshCm
          availStrLength = stringLength;

      /* Display the string lengths for debugging. */
-    vshDebug(ctl, 5, "Longest name string = %lu chars\n",
+    vshDebug(ctl, VSH_ERR_DEBUG, "Longest name string = %lu chars\n",
               (unsigned long) nameStrLength);
-    vshDebug(ctl, 5, "Longest state string = %lu chars\n",
+    vshDebug(ctl, VSH_ERR_DEBUG, "Longest state string = %lu chars\n",
               (unsigned long) stateStrLength);
-    vshDebug(ctl, 5, "Longest autostart string = %lu chars\n",
+    vshDebug(ctl, VSH_ERR_DEBUG, "Longest autostart string = %lu chars\n",
               (unsigned long) autostartStrLength);
-    vshDebug(ctl, 5, "Longest persistent string = %lu chars\n",
+    vshDebug(ctl, VSH_ERR_DEBUG, "Longest persistent string = %lu chars\n",
               (unsigned long) persistStrLength);
-    vshDebug(ctl, 5, "Longest capacity string = %lu chars\n",
+    vshDebug(ctl, VSH_ERR_DEBUG, "Longest capacity string = %lu chars\n",
               (unsigned long) capStrLength);
-    vshDebug(ctl, 5, "Longest allocation string = %lu chars\n",
+    vshDebug(ctl, VSH_ERR_DEBUG, "Longest allocation string = %lu chars\n",
               (unsigned long) allocStrLength);
-    vshDebug(ctl, 5, "Longest available string = %lu chars\n",
+    vshDebug(ctl, VSH_ERR_DEBUG, "Longest available string = %lu chars\n",
               (unsigned long) availStrLength);

      /* Create the output template.  Each column is sized according to
@@ -6600,7 +6602,8 @@ cmdPoolInfo(vshControl *ctl, const vshCm

          /* Check and display whether the pool is persistent or not */
          persistent = virStoragePoolIsPersistent(pool);
-        vshDebug(ctl, 5, "Pool persistent flag value: %d\n", persistent);
+        vshDebug(ctl, VSH_ERR_DEBUG, "Pool persistent flag value: %d\n",
+                 persistent);
          if (persistent < 0)
              vshPrint(ctl, "%-15s %s\n", _("Persistent:"),  _("unknown"));
          else
@@ -6608,7 +6611,7 @@ cmdPoolInfo(vshControl *ctl, const vshCm

          /* Check and display whether the pool is autostarted or not */
          virStoragePoolGetAutostart(pool, &autostart);
-        vshDebug(ctl, 5, "Pool autostart flag value: %d\n", autostart);
+        vshDebug(ctl, VSH_ERR_DEBUG, "Pool autostart flag value: %d\n", 
autostart);
          if (autostart < 0)
              vshPrint(ctl, "%-15s %s\n", _("Autostart:"), _("no 
autostart"));
          else
@@ -6806,31 +6809,37 @@ cmdVolCreateAs(vshControl *ctl, const vs
      if (snapshotStrVol) {
          /* Lookup snapshot backing volume.  Try the backing-vol
           *  parameter as a name */
-        vshDebug(ctl, 5, "%s: Look up backing store volume '%s' as name\n",
+        vshDebug(ctl, VSH_ERR_DEBUG,
+                 "%s: Look up backing store volume '%s' as name\n",
                   cmd->def->name, snapshotStrVol);
          virStorageVolPtr snapVol = virStorageVolLookupByName(pool, 
snapshotStrVol);
          if (snapVol)
-                vshDebug(ctl, 5, "%s: Backing store volume found using 
'%s' as name\n",
+                vshDebug(ctl, VSH_ERR_DEBUG,
+                         "%s: Backing store volume found using '%s' as 
name\n",
                           cmd->def->name, snapshotStrVol);

          if (snapVol == NULL) {
              /* Snapshot backing volume not found by name.  Try the
               *  backing-vol parameter as a key */
-            vshDebug(ctl, 5, "%s: Look up backing store volume '%s' as 
key\n",
+            vshDebug(ctl, VSH_ERR_DEBUG,
+                     "%s: Look up backing store volume '%s' as key\n",
                       cmd->def->name, snapshotStrVol);
              snapVol = virStorageVolLookupByKey(ctl->conn, snapshotStrVol);
              if (snapVol)
-                vshDebug(ctl, 5, "%s: Backing store volume found using 
'%s' as key\n",
+                vshDebug(ctl, VSH_ERR_DEBUG,
+                         "%s: Backing store volume found using '%s' as 
key\n",
                           cmd->def->name, snapshotStrVol);
          }
          if (snapVol == NULL) {
              /* Snapshot backing volume not found by key.  Try the
               *  backing-vol parameter as a path */
-            vshDebug(ctl, 5, "%s: Look up backing store volume '%s' as 
path\n",
+            vshDebug(ctl, VSH_ERR_DEBUG,
+                     "%s: Look up backing store volume '%s' as path\n",
                       cmd->def->name, snapshotStrVol);
              snapVol = virStorageVolLookupByPath(ctl->conn, 
snapshotStrVol);
              if (snapVol)
-                vshDebug(ctl, 5, "%s: Backing store volume found using 
'%s' as path\n",
+                vshDebug(ctl, VSH_ERR_DEBUG,
+                         "%s: Backing store volume found using '%s' as 
path\n",
                           cmd->def->name, snapshotStrVol);
          }
          if (snapVol == NULL) {
@@ -7777,11 +7786,16 @@ cmdVolList(vshControl *ctl, const vshCmd
          allocStrLength = stringLength;

      /* Display the string lengths for debugging */
-    vshDebug(ctl, 5, "Longest name string = %zu chars\n", nameStrLength);
-    vshDebug(ctl, 5, "Longest path string = %zu chars\n", pathStrLength);
-    vshDebug(ctl, 5, "Longest type string = %zu chars\n", typeStrLength);
-    vshDebug(ctl, 5, "Longest capacity string = %zu chars\n", 
capStrLength);
-    vshDebug(ctl, 5, "Longest allocation string = %zu chars\n", 
allocStrLength);
+    vshDebug(ctl, VSH_ERR_DEBUG,
+             "Longest name string = %zu chars\n", nameStrLength);
+    vshDebug(ctl, VSH_ERR_DEBUG,
+             "Longest path string = %zu chars\n", pathStrLength);
+    vshDebug(ctl, VSH_ERR_DEBUG,
+             "Longest type string = %zu chars\n", typeStrLength);
+    vshDebug(ctl, VSH_ERR_DEBUG,
+             "Longest capacity string = %zu chars\n", capStrLength);
+    vshDebug(ctl, VSH_ERR_DEBUG,
+             "Longest allocation string = %zu chars\n", allocStrLength);

      /* Create the output template */
      ret = virAsprintf(&outputStr,
@@ -11535,7 +11549,7 @@ vshCommandOptDomainBy(vshControl *ctl, c
      if (vshCommandOptString(cmd, optname, &n) <= 0)
          return NULL;

-    vshDebug(ctl, 5, "%s: found option <%s>: %s\n",
+    vshDebug(ctl, VSH_ERR_DEBUG, "%s: found option <%s>: %s\n",
               cmd->def->name, optname, n);

      if (name)
@@ -11544,20 +11558,20 @@ vshCommandOptDomainBy(vshControl *ctl, c
      /* try it by ID */
      if (flag & VSH_BYID) {
          if (virStrToLong_i(n, NULL, 10, &id) == 0 && id >= 0) {
-            vshDebug(ctl, 5, "%s: <%s> seems like domain ID\n",
+            vshDebug(ctl, VSH_ERR_DEBUG, "%s: <%s> seems like domain ID\n",
                       cmd->def->name, optname);
              dom = virDomainLookupByID(ctl->conn, id);
          }
      }
      /* try it by UUID */
      if (dom==NULL && (flag & VSH_BYUUID) && 
strlen(n)==VIR_UUID_STRING_BUFLEN-1) {
-        vshDebug(ctl, 5, "%s: <%s> trying as domain UUID\n",
+        vshDebug(ctl, VSH_ERR_DEBUG, "%s: <%s> trying as domain UUID\n",
                   cmd->def->name, optname);
          dom = virDomainLookupByUUIDString(ctl->conn, n);
      }
      /* try it by NAME */
      if (dom==NULL && (flag & VSH_BYNAME)) {
-        vshDebug(ctl, 5, "%s: <%s> trying as domain NAME\n",
+        vshDebug(ctl, VSH_ERR_DEBUG, "%s: <%s> trying as domain NAME\n",
                   cmd->def->name, optname);
          dom = virDomainLookupByName(ctl->conn, n);
      }
@@ -11581,7 +11595,7 @@ vshCommandOptNetworkBy(vshControl *ctl,
      if (vshCommandOptString(cmd, optname, &n) <= 0)
          return NULL;

-    vshDebug(ctl, 5, "%s: found option <%s>: %s\n",
+    vshDebug(ctl, VSH_ERR_DEBUG, "%s: found option <%s>: %s\n",
               cmd->def->name, optname, n);

      if (name)
@@ -11589,13 +11603,13 @@ vshCommandOptNetworkBy(vshControl *ctl,

      /* try it by UUID */
      if ((flag & VSH_BYUUID) && (strlen(n) == VIR_UUID_STRING_BUFLEN-1)) {
-        vshDebug(ctl, 5, "%s: <%s> trying as network UUID\n",
+        vshDebug(ctl, VSH_ERR_DEBUG, "%s: <%s> trying as network UUID\n",
                   cmd->def->name, optname);
          network = virNetworkLookupByUUIDString(ctl->conn, n);
      }
      /* try it by NAME */
      if (network==NULL && (flag & VSH_BYNAME)) {
-        vshDebug(ctl, 5, "%s: <%s> trying as network NAME\n",
+        vshDebug(ctl, VSH_ERR_DEBUG, "%s: <%s> trying as network NAME\n",
                   cmd->def->name, optname);
          network = virNetworkLookupByName(ctl->conn, n);
      }
@@ -11620,7 +11634,7 @@ vshCommandOptNWFilterBy(vshControl *ctl,
      if (vshCommandOptString(cmd, optname, &n) <= 0)
          return NULL;

-    vshDebug(ctl, 5, "%s: found option <%s>: %s\n",
+    vshDebug(ctl, VSH_ERR_DEBUG, "%s: found option <%s>: %s\n",
               cmd->def->name, optname, n);

      if (name)
@@ -11628,13 +11642,13 @@ vshCommandOptNWFilterBy(vshControl *ctl,

      /* try it by UUID */
      if ((flag & VSH_BYUUID) && (strlen(n) == VIR_UUID_STRING_BUFLEN-1)) {
-        vshDebug(ctl, 5, "%s: <%s> trying as nwfilter UUID\n",
+        vshDebug(ctl, VSH_ERR_DEBUG, "%s: <%s> trying as nwfilter UUID\n",
                   cmd->def->name, optname);
          nwfilter = virNWFilterLookupByUUIDString(ctl->conn, n);
      }
      /* try it by NAME */
      if (nwfilter == NULL && (flag & VSH_BYNAME)) {
-        vshDebug(ctl, 5, "%s: <%s> trying as nwfilter NAME\n",
+        vshDebug(ctl, VSH_ERR_DEBUG, "%s: <%s> trying as nwfilter NAME\n",
                   cmd->def->name, optname);
          nwfilter = virNWFilterLookupByName(ctl->conn, n);
      }
@@ -11658,7 +11672,7 @@ vshCommandOptInterfaceBy(vshControl *ctl
      if (vshCommandOptString(cmd, optname, &n) <= 0)
          return NULL;

-    vshDebug(ctl, 5, "%s: found option <%s>: %s\n",
+    vshDebug(ctl, VSH_ERR_DEBUG, "%s: found option <%s>: %s\n",
               cmd->def->name, optname, n);

      if (name)
@@ -11666,13 +11680,13 @@ vshCommandOptInterfaceBy(vshControl *ctl

      /* try it by NAME */
      if ((flag & VSH_BYNAME)) {
-        vshDebug(ctl, 5, "%s: <%s> trying as interface NAME\n",
+        vshDebug(ctl, VSH_ERR_DEBUG, "%s: <%s> trying as interface NAME\n",
                   cmd->def->name, optname);
          iface = virInterfaceLookupByName(ctl->conn, n);
      }
      /* try it by MAC */
      if ((iface == NULL) && (flag & VSH_BYMAC)) {
-        vshDebug(ctl, 5, "%s: <%s> trying as interface MAC\n",
+        vshDebug(ctl, VSH_ERR_DEBUG, "%s: <%s> trying as interface MAC\n",
                   cmd->def->name, optname);
          iface = virInterfaceLookupByMACString(ctl->conn, n);
      }
@@ -11693,7 +11707,7 @@ vshCommandOptPoolBy(vshControl *ctl, con
      if (vshCommandOptString(cmd, optname, &n) <= 0)
          return NULL;

-    vshDebug(ctl, 5, "%s: found option <%s>: %s\n",
+    vshDebug(ctl, VSH_ERR_DEBUG, "%s: found option <%s>: %s\n",
               cmd->def->name, optname, n);

      if (name)
@@ -11701,13 +11715,13 @@ vshCommandOptPoolBy(vshControl *ctl, con

      /* try it by UUID */
      if ((flag & VSH_BYUUID) && (strlen(n) == VIR_UUID_STRING_BUFLEN-1)) {
-        vshDebug(ctl, 5, "%s: <%s> trying as pool UUID\n",
+        vshDebug(ctl, VSH_ERR_DEBUG, "%s: <%s> trying as pool UUID\n",
                   cmd->def->name, optname);
          pool = virStoragePoolLookupByUUIDString(ctl->conn, n);
      }
      /* try it by NAME */
      if (pool == NULL && (flag & VSH_BYNAME)) {
-        vshDebug(ctl, 5, "%s: <%s> trying as pool NAME\n",
+        vshDebug(ctl, VSH_ERR_DEBUG, "%s: <%s> trying as pool NAME\n",
                   cmd->def->name, optname);
          pool = virStoragePoolLookupByName(ctl->conn, n);
      }
@@ -11739,7 +11753,7 @@ vshCommandOptVolBy(vshControl *ctl, cons
      if (p)
          pool = vshCommandOptPoolBy(ctl, cmd, pooloptname, name, flag);

-    vshDebug(ctl, 5, "%s: found option <%s>: %s\n",
+    vshDebug(ctl, VSH_ERR_DEBUG, "%s: found option <%s>: %s\n",
               cmd->def->name, optname, n);

      if (name)
@@ -11747,19 +11761,19 @@ vshCommandOptVolBy(vshControl *ctl, cons

      /* try it by name */
      if (pool && (flag & VSH_BYNAME)) {
-        vshDebug(ctl, 5, "%s: <%s> trying as vol name\n",
+        vshDebug(ctl, VSH_ERR_DEBUG, "%s: <%s> trying as vol name\n",
                   cmd->def->name, optname);
          vol = virStorageVolLookupByName(pool, n);
      }
      /* try it by key */
      if (vol == NULL && (flag & VSH_BYUUID)) {
-        vshDebug(ctl, 5, "%s: <%s> trying as vol key\n",
+        vshDebug(ctl, VSH_ERR_DEBUG, "%s: <%s> trying as vol key\n",
                   cmd->def->name, optname);
          vol = virStorageVolLookupByKey(ctl->conn, n);
      }
      /* try it by path */
      if (vol == NULL && (flag & VSH_BYUUID)) {
-        vshDebug(ctl, 5, "%s: <%s> trying as vol path\n",
+        vshDebug(ctl, VSH_ERR_DEBUG, "%s: <%s> trying as vol path\n",
                   cmd->def->name, optname);
          vol = virStorageVolLookupByPath(ctl->conn, n);
      }
@@ -11786,7 +11800,8 @@ vshCommandOptSecret(vshControl *ctl, con
      if (vshCommandOptString(cmd, optname, &n) <= 0)
          return NULL;

-    vshDebug(ctl, 5, "%s: found option <%s>: %s\n", cmd->def->name, 
optname, n);
+    vshDebug(ctl, VSH_ERR_DEBUG, "%s: found option <%s>: %s\n",
+             cmd->def->name, optname, n);

      if (name != NULL)
          *name = n;
@@ -11991,7 +12006,7 @@ get_data:
                      last->next = arg;
                  last = arg;

-                vshDebug(ctl, 4, "%s: %s(%s): %s\n",
+                vshDebug(ctl, VSH_ERR_DEBUG, "%s: %s(%s): %s\n",
                           cmd->name,
                           opt->name,
                           opt->type != VSH_OT_BOOL ? _("optdata") : 
_("bool"),
@@ -12416,7 +12431,7 @@ vshInit(vshControl *ctl)
          debugEnv = getenv("VIRSH_DEBUG");
          if (debugEnv) {
              if (virStrToLong_i(debugEnv, NULL, 10, &ctl->debug) < 0 ||
-                ctl->debug < VSH_ERR_DEBUG || ctl->debug > VSH_ERR_ERROR) {
+                ctl->debug > VSH_ERR_DEBUG || ctl->debug < VSH_ERR_ERROR) {
                  vshError(ctl, "%s",
                           _("VIRSH_DEBUG not set with a valid numeric 
value"));
                  ctl->debug = VSH_ERR_DEBUG;
@@ -13088,7 +13103,7 @@ vshParseArgv(vshControl *ctl, int argc,
          /* parse command */
          ctl->imode = false;
          if (argc - optind == 1) {
-            vshDebug(ctl, 2, "commands: \"%s\"\n", argv[optind]);
+            vshDebug(ctl, VSH_ERR_NOTICE, "commands: \"%s\"\n", 
argv[optind]);
              return vshCommandStringParse(ctl, argv[optind]);
          } else {
              return vshCommandArgvParse(ctl, argc - optind, argv + optind);




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