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/*
Copyright (c) 2010-2012 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.
*/
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <stdint.h>
#include <pthread.h>
#include "cli.h"
#include "cli-cmd.h"
#include "cli-mem-types.h"
#include "cli1-xdr.h"
#include "protocol-common.h"
#include <glusterfs/events.h>
extern struct rpc_clnt *global_rpc;
extern rpc_clnt_prog_t *cli_rpc_prog;
int
cli_cmd_peer_help_cbk(struct cli_state *state, struct cli_cmd_word *in_word,
const char **words, int wordcount);
int
cli_cmd_peer_probe_cbk(struct cli_state *state, struct cli_cmd_word *word,
const char **words, int wordcount)
{
int ret = -1;
rpc_clnt_procedure_t *proc = NULL;
call_frame_t *frame = NULL;
dict_t *dict = NULL;
int sent = 0;
int parse_error = 0;
cli_local_t *local = NULL;
if (!(wordcount == 3)) {
cli_usage_out(word->pattern);
parse_error = 1;
goto out;
}
proc = &cli_rpc_prog->proctable[GLUSTER_CLI_PROBE];
frame = create_frame(THIS, THIS->ctx->pool);
if (!frame)
goto out;
dict = dict_new();
if (!dict)
goto out;
ret = dict_set_str(dict, "hostname", (char *)words[2]);
if (ret)
goto out;
ret = valid_internet_address((char *)words[2], _gf_false);
if (ret == 1) {
ret = 0;
} else {
cli_out("%s is an invalid address", words[2]);
cli_usage_out(word->pattern);
parse_error = 1;
ret = -1;
goto out;
}
/* if (words[3]) {
ret = dict_set_str (dict, "port", (char *)words[3]);
if (ret)
goto out;
}
*/
CLI_LOCAL_INIT(local, words, frame, dict);
if (proc->fn) {
ret = proc->fn(frame, THIS, dict);
}
out:
if (ret) {
cli_cmd_sent_status_get(&sent);
if ((sent == 0) && (parse_error == 0))
cli_out("Peer probe failed");
}
CLI_STACK_DESTROY(frame);
if (ret == 0) {
gf_event(EVENT_PEER_ATTACH, "host=%s", (char *)words[2]);
}
return ret;
}
int
cli_cmd_peer_deprobe_cbk(struct cli_state *state, struct cli_cmd_word *word,
const char **words, int wordcount)
{
int ret = -1;
rpc_clnt_procedure_t *proc = NULL;
call_frame_t *frame = NULL;
dict_t *dict = NULL;
int flags = 0;
int sent = 0;
int parse_error = 0;
cli_local_t *local = NULL;
gf_answer_t answer = GF_ANSWER_NO;
const char *question = NULL;
if ((wordcount < 3) || (wordcount > 4)) {
cli_usage_out(word->pattern);
parse_error = 1;
goto out;
}
question =
"All clients mounted through the peer which is getting detached need "
"to be remounted using one of the other active peers in the trusted "
"storage pool to ensure client gets notification on any changes done "
"on the gluster configuration and if the same has been done do you "
"want to proceed?";
proc = &cli_rpc_prog->proctable[GLUSTER_CLI_DEPROBE];
frame = create_frame(THIS, THIS->ctx->pool);
if (!frame)
goto out;
dict = dict_new();
ret = dict_set_str(dict, "hostname", (char *)words[2]);
if (ret)
goto out;
/* if (words[3]) {
ret = dict_set_str (dict, "port", (char *)words[3]);
if (ret)
goto out;
}
*/
if (wordcount == 4) {
if (!strcmp("force", words[3]))
flags |= GF_CLI_FLAG_OP_FORCE;
else {
ret = -1;
cli_usage_out(word->pattern);
parse_error = 1;
goto out;
}
}
ret = dict_set_int32(dict, "flags", flags);
if (ret)
goto out;
answer = cli_cmd_get_confirmation(state, question);
if (GF_ANSWER_NO == answer) {
ret = 0;
goto out;
}
CLI_LOCAL_INIT(local, words, frame, dict);
if (proc->fn) {
ret = proc->fn(frame, THIS, dict);
}
out:
if (ret) {
cli_cmd_sent_status_get(&sent);
if ((sent == 0) && (parse_error == 0))
cli_out("Peer detach failed");
}
CLI_STACK_DESTROY(frame);
if (ret == 0) {
gf_event(EVENT_PEER_DETACH, "host=%s", (char *)words[2]);
}
return ret;
}
int
cli_cmd_peer_status_cbk(struct cli_state *state, struct cli_cmd_word *word,
const char **words, int wordcount)
{
int ret = -1;
rpc_clnt_procedure_t *proc = NULL;
call_frame_t *frame = NULL;
int sent = 0;
int parse_error = 0;
if (wordcount != 2) {
cli_usage_out(word->pattern);
parse_error = 1;
goto out;
}
proc = &cli_rpc_prog->proctable[GLUSTER_CLI_LIST_FRIENDS];
frame = create_frame(THIS, THIS->ctx->pool);
if (!frame)
goto out;
if (proc->fn) {
ret = proc->fn(frame, THIS, (void *)GF_CLI_LIST_PEERS);
}
out:
if (ret) {
cli_cmd_sent_status_get(&sent);
if ((sent == 0) && (parse_error == 0))
cli_out("Peer status failed");
}
CLI_STACK_DESTROY(frame);
return ret;
}
int
cli_cmd_pool_list_cbk(struct cli_state *state, struct cli_cmd_word *word,
const char **words, int wordcount)
{
int ret = -1;
rpc_clnt_procedure_t *proc = NULL;
call_frame_t *frame = NULL;
int sent = 0;
int parse_error = 0;
if (wordcount != 2) {
cli_usage_out(word->pattern);
parse_error = 1;
goto out;
}
proc = &cli_rpc_prog->proctable[GLUSTER_CLI_LIST_FRIENDS];
frame = create_frame(THIS, THIS->ctx->pool);
if (!frame)
goto out;
if (proc->fn) {
ret = proc->fn(frame, THIS, (void *)GF_CLI_LIST_POOL_NODES);
}
out:
if (ret) {
cli_cmd_sent_status_get(&sent);
if ((sent == 0) && (parse_error == 0))
cli_err("pool list: command execution failed");
}
CLI_STACK_DESTROY(frame);
return ret;
}
struct cli_cmd cli_probe_cmds[] = {
{"peer probe { <HOSTNAME> | <IP-address> }", cli_cmd_peer_probe_cbk,
"probe peer specified by <HOSTNAME>"},
{"peer detach { <HOSTNAME> | <IP-address> } [force]",
cli_cmd_peer_deprobe_cbk, "detach peer specified by <HOSTNAME>"},
{"peer status", cli_cmd_peer_status_cbk, "list status of peers"},
{"peer help", cli_cmd_peer_help_cbk, "display help for peer commands"},
{"pool list", cli_cmd_pool_list_cbk,
"list all the nodes in the pool (including localhost)"},
{NULL, NULL, NULL}};
int
cli_cmd_peer_help_cbk(struct cli_state *state, struct cli_cmd_word *in_word,
const char **words, int wordcount)
{
struct cli_cmd *cmd = NULL;
struct cli_cmd *probe_cmd = NULL;
int count = 0;
cli_out("\ngluster peer commands");
cli_out("======================\n");
cmd = GF_MALLOC(sizeof(cli_probe_cmds), cli_mt_cli_cmd);
memcpy(cmd, cli_probe_cmds, sizeof(cli_probe_cmds));
count = (sizeof(cli_probe_cmds) / sizeof(struct cli_cmd));
cli_cmd_sort(cmd, count);
for (probe_cmd = cmd; probe_cmd->pattern; probe_cmd++)
cli_out("%s - %s", probe_cmd->pattern, probe_cmd->desc);
GF_FREE(cmd);
cli_out("\n");
return 0;
}
int
cli_cmd_probe_register(struct cli_state *state)
{
int ret = 0;
struct cli_cmd *cmd = NULL;
for (cmd = cli_probe_cmds; cmd->pattern; cmd++) {
ret = cli_cmd_register(&state->tree, cmd);
if (ret)
goto out;
}
out:
return ret;
}
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