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-rw-r--r--xlators/mgmt/glusterd/src/glusterd.c478
1 files changed, 478 insertions, 0 deletions
diff --git a/xlators/mgmt/glusterd/src/glusterd.c b/xlators/mgmt/glusterd/src/glusterd.c
new file mode 100644
index 00000000000..9c688c136b9
--- /dev/null
+++ b/xlators/mgmt/glusterd/src/glusterd.c
@@ -0,0 +1,478 @@
+/*
+ Copyright (c) 2006-2009 Gluster, Inc. <http://www.gluster.com>
+ This file is part of GlusterFS.
+
+ GlusterFS is GF_FREE software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published
+ by the Free Software Foundation; either version 3 of the License,
+ or (at your option) any later version.
+
+ GlusterFS is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see
+ <http://www.gnu.org/licenses/>.
+*/
+
+
+#ifndef _CONFIG_H
+#define _CONFIG_H
+#include "config.h"
+#endif
+#include <time.h>
+#include <sys/uio.h>
+#include <sys/resource.h>
+
+#include <libgen.h>
+#include <uuid/uuid.h>
+
+#include "glusterd.h"
+#include "rpcsvc.h"
+#include "fnmatch.h"
+#include "xlator.h"
+//#include "protocol.h"
+#include "call-stub.h"
+#include "defaults.h"
+#include "list.h"
+#include "dict.h"
+#include "compat.h"
+#include "compat-errno.h"
+#include "statedump.h"
+//#include "md5.h"
+#include "glusterd-sm.h"
+#include "glusterd-op-sm.h"
+
+
+static uuid_t glusterd_uuid;
+extern struct rpcsvc_program glusterd1_mop_prog;
+extern struct rpc_clnt_program glusterd3_1_mgmt_prog;
+
+static int
+glusterd_retrieve_uuid ()
+{
+ return -1;
+}
+
+static int
+glusterd_store_uuid ()
+{
+ return 0;
+}
+
+static int
+glusterd_uuid_init ()
+{
+ int ret = -1;
+ char str[50];
+
+ ret = glusterd_retrieve_uuid ();
+
+ if (!ret) {
+ gf_log ("glusterd", GF_LOG_NORMAL,
+ "retrieved UUID: %s", glusterd_uuid);
+ return 0;
+ }
+
+ uuid_generate (glusterd_uuid);
+ uuid_unparse (glusterd_uuid, str);
+
+ gf_log ("glusterd", GF_LOG_NORMAL,
+ "generated UUID: %s",str);
+
+ ret = glusterd_store_uuid ();
+
+ if (ret) {
+ gf_log ("glusterd", GF_LOG_ERROR,
+ "Unable to store generated UUID");
+ return ret;
+ }
+
+ return 0;
+}
+
+
+/* xxx_MOPS */
+
+#if 0
+
+#endif
+
+
+
+
+
+
+
+
+
+
+/*
+ * glusterd_nop_cbk - nop callback for server protocol
+ * @frame: call frame
+ * @cookie:
+ * @this:
+ * @op_ret: return value
+ * @op_errno: errno
+ *
+ * not for external reference
+ */
+/*int
+glusterd_nop_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno)
+{
+ glusterd_state_t *state = NULL;
+
+ state = GLUSTERD_CALL_STATE(frame);
+
+ if (state)
+ free_state (state);
+ STACK_DESTROY (frame->root);
+ return 0;
+}
+*/
+
+
+int
+glusterd_priv (xlator_t *this)
+{
+ return 0;
+}
+
+
+
+int32_t
+mem_acct_init (xlator_t *this)
+{
+ int ret = -1;
+
+ if (!this)
+ return ret;
+
+ ret = xlator_mem_acct_init (this, gf_gld_mt_end + 1);
+
+ if (ret != 0) {
+ gf_log (this->name, GF_LOG_ERROR, "Memory accounting init"
+ " failed");
+ return ret;
+ }
+
+ return ret;
+}
+
+int
+glusterd_rpcsvc_notify (rpcsvc_t *rpc, void *xl, rpcsvc_event_t event,
+ void *data)
+{
+ xlator_t *this = NULL;
+ rpc_transport_t *xprt = NULL;
+
+ if (!xl || !data) {
+ gf_log ("glusterd", GF_LOG_WARNING,
+ "Calling rpc_notify without initializing");
+ goto out;
+ }
+
+ this = xl;
+ xprt = data;
+
+ switch (event) {
+ case RPCSVC_EVENT_ACCEPT:
+ {
+ /* Have a structure per new connection */
+ /* TODO: Should we create anything here at all ? * /
+ conn = create_server_conn_state (this, xprt);
+ if (!conn)
+ goto out;
+
+ xprt->protocol_private = conn;
+ */
+ xprt->mydata = this;
+ break;
+ }
+ case RPCSVC_EVENT_DISCONNECT:
+ /* conn = get_server_conn_state (this, xprt);
+ if (conn)
+ destroy_server_conn_state (conn);
+ */
+ break;
+ default:
+ break;
+ }
+
+out:
+ return 0;
+}
+
+/*
+ * init - called during glusterd initialization
+ *
+ * @this:
+ *
+ */
+int
+init (xlator_t *this)
+{
+ int32_t ret = -1;
+ rpcsvc_t *rpc = NULL;
+ glusterd_conf_t *conf = NULL;
+ data_t *dir_data = NULL;
+ char dirname [PATH_MAX];
+ struct stat buf = {0,};
+ char *port_str = NULL;
+ int port_num = 0;
+
+
+ dir_data = dict_get (this->options, "working-directory");
+
+ if (!dir_data) {
+ //Use default working dir
+ strncpy (dirname, GLUSTERD_DEFAULT_WORKDIR, PATH_MAX);
+ } else {
+ strncpy (dirname, dir_data->data, PATH_MAX);
+ }
+
+ ret = stat (dirname, &buf);
+ if ((ret != 0) && (ENOENT != errno)) {
+ gf_log (this->name, GF_LOG_ERROR,
+ "stat fails on %s, exiting. (errno = %d)",
+ dirname, errno);
+ exit (1);
+ }
+
+ if ((!ret) && (!S_ISDIR(buf.st_mode))) {
+ gf_log (this->name, GF_LOG_CRITICAL,
+ "Provided working area %s is not a directory,"
+ "exiting", dirname);
+ exit (1);
+ }
+
+
+ if ((-1 == ret) && (ENOENT == errno)) {
+ ret = mkdir (dirname, 0644);
+
+ if (-1 == ret) {
+ gf_log (this->name, GF_LOG_CRITICAL,
+ "Unable to create directory %s"
+ " ,errno = %d", dirname, errno);
+ }
+ }
+
+ gf_log (this->name, GF_LOG_NORMAL, "Using %s as working directory",
+ dirname);
+
+
+ rpc = rpcsvc_init (this->ctx, this->options);
+ if (rpc == NULL) {
+ gf_log (this->name, GF_LOG_ERROR,
+ "failed to init rpc");
+ goto out;
+ }
+
+ ret = rpcsvc_register_notify (rpc, glusterd_rpcsvc_notify, this);
+ if (ret) {
+ gf_log (this->name, GF_LOG_ERROR,
+ "rpcsvc_register_notify returned %d", ret);
+ goto out;
+ }
+
+ glusterd1_mop_prog.options = this->options;
+ port_str = getenv ("GLUSTERD_LOCAL_PORT");
+ if (port_str) {
+ port_num = atoi (port_str);
+ glusterd1_mop_prog.progport = port_num;
+ }
+
+ ret = rpcsvc_program_register (rpc, glusterd1_mop_prog);
+ if (ret) {
+ gf_log (this->name, GF_LOG_ERROR,
+ "rpcsvc_program_register returned %d", ret);
+ goto out;
+ }
+
+//TODO: Waiting on handshake code
+/* gluster_handshake_prog.options = this->options;
+ ret = rpcsvc_program_register (conf->rpc, gluster_handshake_prog);
+ if (ret)
+ goto out;
+*/
+ conf = GF_CALLOC (1, sizeof (glusterd_conf_t),
+ gf_gld_mt_glusterd_conf_t);
+ GF_VALIDATE_OR_GOTO(this->name, conf, out);
+ INIT_LIST_HEAD (&conf->peers);
+ INIT_LIST_HEAD (&conf->volumes);
+ pthread_mutex_init (&conf->mutex, NULL);
+ conf->rpc = rpc;
+ conf->mgmt = &glusterd3_1_mgmt_prog;
+ strncpy (conf->workdir, dirname, PATH_MAX);
+
+ this->private = conf;
+ //this->ctx->top = this;
+
+ ret = glusterd_uuid_init ();
+
+ if (ret < 0)
+ goto out;
+
+ glusterd_friend_sm_init ();
+ glusterd_op_sm_init ();
+
+ memcpy(conf->uuid, glusterd_uuid, sizeof (uuid_t));
+
+ ret = 0;
+out:
+ return ret;
+}
+
+
+
+/*int
+glusterd_pollin (xlator_t *this, transport_t *trans)
+{
+ char *hdr = NULL;
+ size_t hdrlen = 0;
+ int ret = -1;
+ struct iobuf *iobuf = NULL;
+
+
+ ret = transport_receive (trans, &hdr, &hdrlen, &iobuf);
+
+ if (ret == 0)
+ ret = glusterd_interpret (this, trans, hdr,
+ hdrlen, iobuf);
+
+ ret = glusterd_friend_sm ();
+
+ glusterd_op_sm ();
+
+ GF_FREE (hdr);
+
+ return ret;
+}
+*/
+
+/*
+ * fini - finish function for server protocol, called before
+ * unloading server protocol.
+ *
+ * @this:
+ *
+ */
+void
+fini (xlator_t *this)
+{
+ glusterd_conf_t *conf = this->private;
+
+ GF_VALIDATE_OR_GOTO(this->name, conf, out);
+ GF_FREE (conf);
+ this->private = NULL;
+out:
+ return;
+}
+
+/*
+ * server_protocol_notify - notify function for server protocol
+ * @this:
+ * @trans:
+ * @event:
+ *
+ */
+int
+notify (xlator_t *this, int32_t event, void *data, ...)
+{
+ int ret = 0;
+ //transport_t *trans = data;
+ //peer_info_t *peerinfo = NULL;
+ //peer_info_t *myinfo = NULL;
+
+/* if (trans != NULL) {
+ peerinfo = &(trans->peerinfo);
+ myinfo = &(trans->myinfo);
+ }
+*/
+ switch (event) {
+
+ case GF_EVENT_POLLIN:
+ // ret = glusterd_pollin (this, trans);
+ break;
+
+
+ case GF_EVENT_POLLERR:
+ break;
+
+ case GF_EVENT_TRANSPORT_CLEANUP:
+ break;
+
+ default:
+ default_notify (this, event, data);
+ break;
+
+ }
+
+ return ret;
+}
+
+
+void
+glusterd_init (int signum)
+{
+ int ret = -1;
+
+ glusterfs_this_set ((xlator_t *)CTX->active);
+
+ ret = glusterd_probe_begin (NULL, "localhost");
+
+ if (!ret) {
+ ret = glusterd_friend_sm ();
+
+ glusterd_op_sm ();
+ }
+
+ gf_log ("glusterd", GF_LOG_WARNING, "ret = %d", ret);
+
+ //return 0;
+}
+
+void
+glusterd_op_init (int signum)
+{
+ int ret = -1;
+
+ glusterfs_this_set ((xlator_t *)CTX->active);
+
+ //ret = glusterd_create_volume ("vol1");
+
+/* if (!ret) {
+ glusterd_friend_sm ();
+ glusterd_op_sm ();
+ }
+*/
+
+ gf_log ("glusterd", GF_LOG_WARNING, "ret = %d", ret);
+}
+
+
+
+//struct xlator_mops mops = {
+//};
+
+struct xlator_fops fops = {
+};
+
+struct xlator_cbks cbks = {
+};
+
+struct xlator_dumpops dumpops = {
+ .priv = glusterd_priv,
+};
+
+
+struct volume_options options[] = {
+ { .key = {"working-dir"},
+ .type = GF_OPTION_TYPE_PATH,
+ },
+
+ { .key = {NULL} },
+};
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