glusterd: Move statedump utils into a new file.

Change-Id: I1bf26c9d294e95f7b82cfc7a96f9d5575f5e0362
BUG: 1176770
Signed-off-by: Krishnan Parthasarathi <kparthas@redhat.com>
Reviewed-on: http://review.gluster.org/9313
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Atin Mukherjee <amukherj@redhat.com>

1 files changed, 245 insertions, 0 deletions

diff --git a/xlators/mgmt/glusterd/src/glusterd-statedump.c b/xlators/mgmt/glusterd/src/glusterd-statedump.c
new file mode 100644
index 00000000000..e28624c6955
--- /dev/null
+++ b/xlators/mgmt/glusterd/src/glusterd-statedump.c
@@ -0,0 +1,245 @@
+/*
+   Copyright (c) 2014 Red Hat, Inc. <http://www.redhat.com>
+   This file is part of GlusterFS.
+
+   This file is licensed to you under your choice of the GNU Lesser
+   General Public License, version 3 or any later version (LGPLv3 or
+   later), or the GNU General Public License, version 2 (GPLv2), in all
+   cases as published by the Free Software Foundation.
+*/
+
+#ifndef _CONFIG_H
+#define _CONFIG_H
+#include "config.h"
+#endif
+
+#include "statedump.h"
+#include "glusterd.h"
+#include "glusterd-locks.h"
+
+
+
+static void
+glusterd_dump_peer (glusterd_peerinfo_t *peerinfo, char *input_key, int index,
+                    gf_boolean_t xpeers)
+{
+        char   subkey[50]               = {0,};
+        char   key[GF_DUMP_MAX_BUF_LEN] = {0,};
+
+        strncpy (key, input_key, (GF_DUMP_MAX_BUF_LEN - 1));
+
+        snprintf (subkey, sizeof (subkey), "%s%d", key, index);
+
+        gf_proc_dump_build_key (key, subkey, "uuid");
+        gf_proc_dump_write (key, "%s",
+                            uuid_utoa (peerinfo->uuid));
+
+        gf_proc_dump_build_key (key, subkey, "hostname");
+        gf_proc_dump_write (key, "%d", peerinfo->hostname);
+
+        gf_proc_dump_build_key (key, subkey, "port");
+        gf_proc_dump_write (key, "%d", peerinfo->port);
+
+        gf_proc_dump_build_key (key, subkey, "state");
+        gf_proc_dump_write (key, "%d", peerinfo->state.state);
+
+        gf_proc_dump_build_key (key, subkey, "quorum-action");
+        gf_proc_dump_write (key, "%d", peerinfo->quorum_action);
+
+        gf_proc_dump_build_key (key, subkey, "quorum-contrib");
+        gf_proc_dump_write (key, "%d",
+                            peerinfo->quorum_contrib);
+
+        gf_proc_dump_build_key (key, subkey, "detaching");
+        gf_proc_dump_write (key, "%d", peerinfo->detaching);
+
+        gf_proc_dump_build_key (key, subkey, "locked");
+        gf_proc_dump_write (key, "%d", peerinfo->locked);
+
+}
+
+
+static void
+glusterd_dump_peer_rpcstat (glusterd_peerinfo_t *peerinfo, char *input_key,
+                            int index)
+{
+        rpc_clnt_connection_t *conn                                = NULL;
+        int                    ret                                 = -1;
+        rpc_clnt_t            *rpc                                 = NULL;
+        char                   rpcsvc_peername[RPCSVC_PEER_STRLEN] = {0,};
+        char                   subkey[50]                          = {0,};
+        char                   key[GF_DUMP_MAX_BUF_LEN]            = {0,};
+
+        strncpy (key, input_key, (GF_DUMP_MAX_BUF_LEN - 1));
+
+        /* Dump the rpc connection statistics */
+        rpc = peerinfo->rpc;
+        if (rpc) {
+                conn = &rpc->conn;
+                snprintf (subkey, sizeof (subkey), "%s%d", key, index);
+                ret = rpcsvc_transport_peername (conn->trans,
+                                                 (char *)&rpcsvc_peername,
+                                                 sizeof (rpcsvc_peername));
+                if (!ret) {
+                        gf_proc_dump_build_key (key, subkey, "rpc.peername");
+                        gf_proc_dump_write (key, "%s", rpcsvc_peername);
+                }
+                gf_proc_dump_build_key (key, subkey, "rpc.connected");
+                gf_proc_dump_write (key, "%d", conn->connected);
+
+                gf_proc_dump_build_key (key, subkey, "rpc.total-bytes-read");
+                gf_proc_dump_write (key, "%"PRIu64,
+                                    conn->trans->total_bytes_read);
+
+                gf_proc_dump_build_key (key, subkey, "rpc.total-bytes-written");
+                gf_proc_dump_write (key, "%"PRIu64,
+                                    conn->trans->total_bytes_write);
+
+                gf_proc_dump_build_key (key, subkey, "rpc.ping_msgs_sent");
+                gf_proc_dump_write (key, "%"PRIu64, conn->pingcnt);
+
+                gf_proc_dump_build_key (key, subkey, "rpc.msgs_sent");
+                gf_proc_dump_write (key, "%"PRIu64, conn->msgcnt);
+        }
+
+}
+
+
+static void
+glusterd_dump_client_details (glusterd_conf_t *conf)
+{
+        rpc_transport_t         *xprt                     = NULL;
+        char                     key[GF_DUMP_MAX_BUF_LEN] = {0,};
+        char                     subkey[50]               = {0,};
+        int                      index                    = 1;
+
+        pthread_mutex_lock (&conf->xprt_lock);
+        {
+                list_for_each_entry (xprt, &conf->xprt_list, list) {
+                        snprintf (subkey, sizeof (subkey), "glusterd.client%d",
+                                  index);
+
+                        gf_proc_dump_build_key (key, subkey, "identifier");
+                        gf_proc_dump_write (key, "%s",
+                                            xprt->peerinfo.identifier);
+
+                        gf_proc_dump_build_key (key, subkey, "volname");
+                        gf_proc_dump_write (key, "%s",
+                                            xprt->peerinfo.volname);
+
+                        gf_proc_dump_build_key (key, subkey, "max-op-version");
+                        gf_proc_dump_write (key, "%u",
+                                            xprt->peerinfo.max_op_version);
+
+                        gf_proc_dump_build_key (key, subkey, "min-op-version");
+                        gf_proc_dump_write (key, "%u",
+                                            xprt->peerinfo.min_op_version);
+                        index++;
+                }
+        }
+        pthread_mutex_unlock (&conf->xprt_lock);
+}
+
+
+/* The following function is just for dumping mgmt_v3_lock dictionary, any other
+ * dict passed to this API will not work */
+
+static void
+glusterd_dict_mgmt_v3_lock_statedump (dict_t *dict)
+{
+        int          ret                       = 0;
+        int          dumplen                   = 0;
+        data_pair_t *trav                      = NULL;
+        char         key[GF_DUMP_MAX_BUF_LEN]  = {0,};
+        char         dump[64*1024]             = {0,};
+
+        if (!dict) {
+                gf_log_callingfn ("glusterd", GF_LOG_WARNING, "dict NULL");
+                goto out;
+        }
+        for (trav = dict->members_list; trav; trav = trav->next) {
+                if (strstr (trav->key, "debug.last-success-bt") != NULL) {
+                        ret = snprintf (&dump[dumplen], sizeof(dump) - dumplen,
+                                        "\n\t%s:%s", trav->key,
+                                        trav->value->data);
+                } else {
+                        ret = snprintf (&dump[dumplen], sizeof(dump) - dumplen,
+                                        "\n\t%s:%s", trav->key,
+                                        uuid_utoa (((glusterd_mgmt_v3_lock_obj *)
+                                         (trav->value->data))->lock_owner));
+                }
+                if ((ret == -1) || !ret)
+                        return;
+                dumplen += ret;
+        }
+
+        if (dumplen) {
+                gf_proc_dump_build_key (key, "glusterd", "mgmt_v3_lock");
+                gf_proc_dump_write (key, "%s", dump);
+        }
+
+out:
+        return;
+}
+
+
+int
+glusterd_dump_priv (xlator_t *this)
+{
+        int                   index                    = 1;
+        glusterd_conf_t      *priv                     = NULL;
+        char                  key[GF_DUMP_MAX_BUF_LEN] = {0,};
+        char                  subkey[50]               = {0,};
+        glusterd_peerinfo_t  *peerinfo                 = NULL;
+        glusterd_volinfo_t   *volinfo                  = NULL;
+
+        GF_VALIDATE_OR_GOTO ("glusterd", this, out);
+
+        priv = this->private;
+        if (!priv)
+                return 0;
+
+        gf_proc_dump_build_key (key, "xlator.glusterd", "priv");
+        gf_proc_dump_add_section (key);
+
+        pthread_mutex_lock (&priv->mutex);
+        {
+                gf_proc_dump_build_key (key, "glusterd", "my-uuid");
+                gf_proc_dump_write (key, "%s", uuid_utoa (priv->uuid));
+
+                gf_proc_dump_build_key (key, "glusterd", "working-directory");
+                gf_proc_dump_write (key, "%s", priv->workdir);
+
+                gf_proc_dump_build_key (key, "glusterd", "max-op-version");
+                gf_proc_dump_write (key, "%d", GD_OP_VERSION_MAX);
+
+                gf_proc_dump_build_key (key, "glusterd", "min-op-version");
+                gf_proc_dump_write (key, "%d", GD_OP_VERSION_MIN);
+
+                gf_proc_dump_build_key (key, "glusterd", "current-op-version");
+                gf_proc_dump_write (key, "%d", priv->op_version);
+
+                gf_proc_dump_build_key (key, "glusterd", "ping-timeout");
+                gf_proc_dump_write (key, "%d", priv->ping_timeout);
+
+                gf_proc_dump_build_key (key, "glusterd", "shd.online");
+                gf_proc_dump_write (key, "%d", priv->shd->online);
+
+                gf_proc_dump_build_key (key, "glusterd", "nfs.online");
+                gf_proc_dump_write (key, "%d", priv->nfs->online);
+
+                gf_proc_dump_build_key (key, "glusterd", "quotad.online");
+                gf_proc_dump_write (key, "%d", priv->quotad->online);
+
+                GLUSTERD_DUMP_PEERS (&priv->peers, uuid_list, _gf_false);
+                GLUSTERD_DUMP_PEERS (&priv->xaction_peers, op_peers_list,
+                                     _gf_true);
+                glusterd_dump_client_details (priv);
+                glusterd_dict_mgmt_v3_lock_statedump(priv->mgmt_v3_lock);
+                dict_dump_to_statedump (priv->opts, "options", "glusterd");
+        }
+        pthread_mutex_unlock (&priv->mutex);
+
+out:
+        return 0;
+}