diff options
Diffstat (limited to 'lib/lrm/clientlib.c')
| -rw-r--r-- | lib/lrm/clientlib.c | 1612 |
1 files changed, 1612 insertions, 0 deletions
diff --git a/lib/lrm/clientlib.c b/lib/lrm/clientlib.c new file mode 100644 index 0000000..78dcdc8 --- /dev/null +++ b/lib/lrm/clientlib.c @@ -0,0 +1,1612 @@ +/* + * Client Library for Local Resource Manager API. + * + * Author: Huang Zhen <zhenh@cn.ibm.com> + * Copyright (c) 2004 International Business Machines + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * This library 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 + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + */ +#include <lha_internal.h> +#include <unistd.h> +#include <stdlib.h> +#include <stdio.h> +#include <stdarg.h> +#include <string.h> + +#include <glib.h> +#include <clplumbing/ipc.h> +#include <ha_msg.h> +#include <lrm/lrm_api.h> + +#include <lrm/lrm_msg.h> + +/* FIXME: Notice: this define should be replaced when merge to the whole pkg*/ +#define LRM_MAXPIDLEN 256 +#define LRM_ID "lrm" + +#define LOG_FAIL_create_lrm_msg(msg_type) \ + cl_log(LOG_ERR, "%s(%d): failed to create a %s message with " \ + "function create_lrm_msg." \ + , __FUNCTION__, __LINE__, msg_type) + +#define LOG_FAIL_create_lrm_rsc_msg(msg_type) \ + cl_log(LOG_ERR, "%s(%d): failed to create a %s message with " \ + "function create_lrm_rsc_msg." \ + , __FUNCTION__, __LINE__, msg_type) + +#define LOG_FAIL_receive_reply(msg_type) \ + cl_log(LOG_ERR, "%s(%d): failed to receive a reply message of %s." \ + , __FUNCTION__, __LINE__, msg_type) + +#define LOG_FAIL_SEND_MSG(msg_type, chan_name) \ + cl_log(LOG_ERR, "%s(%d): failed to send a %s message to lrmd " \ + "via %s channel." \ + , __FUNCTION__, __LINE__, msg_type, chan_name) + +#define LOG_GOT_FAIL_RET(priority, msg_type) \ + cl_log(priority, "%s(%d): got a return code HA_FAIL from " \ + "a reply message of %s with function get_ret_from_msg." \ + , __FUNCTION__, __LINE__, msg_type) + +#define LOG_BASIC_ERROR(apiname) \ + cl_log(LOG_ERR, "%s(%d): %s failed." \ + , __FUNCTION__, __LINE__, apiname) + +#define LOG_FAIL_GET_MSG_FIELD(priority, field_name, msg) \ + {cl_log(priority, "%s(%d): failed to get the value " \ + "of field %s from a ha_msg" \ + , __FUNCTION__, __LINE__, field_name); \ + cl_log(LOG_INFO, "%s: Message follows:", __FUNCTION__); \ + cl_log_message(LOG_INFO, (msg)); \ + } + +/* declare the functions used by the lrm_ops structure*/ +static int lrm_signon (ll_lrm_t* lrm, const char * app_name); +static int lrm_signoff (ll_lrm_t*); +static int lrm_delete (ll_lrm_t*); +static int lrm_set_lrm_callback (ll_lrm_t* lrm, + lrm_op_done_callback_t op_done_callback_func); +static GList* lrm_get_rsc_class_supported (ll_lrm_t* lrm); +static GList* lrm_get_rsc_type_supported (ll_lrm_t* lrm, const char* class); +static GList* lrm_get_rsc_provider_supported (ll_lrm_t* lrm + ,const char* class, const char* type); +static char* lrm_get_rsc_type_metadata(ll_lrm_t* lrm, const char* class + ,const char* type, const char* provider); +static GHashTable* lrm_get_all_type_metadata(ll_lrm_t*, const char* class); +static GList* lrm_get_all_rscs (ll_lrm_t* lrm); +static lrm_rsc_t* lrm_get_rsc (ll_lrm_t* lrm, const char* rsc_id); +static int lrm_add_rsc (ll_lrm_t*, const char* id, const char* class + ,const char* type, const char* provider + ,GHashTable* parameter); +static int lrm_delete_rsc (ll_lrm_t*, const char* id); +static int lrm_fail_rsc (ll_lrm_t* lrm, const char* rsc_id, const int fail_rc + ,const char* fail_reason); +static int lrm_set_lrmd_param (ll_lrm_t* lrm, const char* name, const char *value); +static char* lrm_get_lrmd_param (ll_lrm_t* lrm, const char* name); +static IPC_Channel* lrm_ipcchan (ll_lrm_t*); +static int lrm_msgready (ll_lrm_t*); +static int lrm_rcvmsg (ll_lrm_t*, int blocking); +static struct lrm_ops lrm_ops_instance = +{ + lrm_signon, + lrm_signoff, + lrm_delete, + lrm_set_lrm_callback, + lrm_set_lrmd_param, + lrm_get_lrmd_param, + lrm_get_rsc_class_supported, + lrm_get_rsc_type_supported, + lrm_get_rsc_provider_supported, + lrm_get_rsc_type_metadata, + lrm_get_all_type_metadata, + lrm_get_all_rscs, + lrm_get_rsc, + lrm_add_rsc, + lrm_delete_rsc, + lrm_fail_rsc, + lrm_ipcchan, + lrm_msgready, + lrm_rcvmsg +}; +/* declare the functions used by the lrm_rsc_ops structure*/ +static int rsc_perform_op (lrm_rsc_t*, lrm_op_t* op); +static int rsc_cancel_op (lrm_rsc_t*, int call_id); +static int rsc_flush_ops (lrm_rsc_t*); +static GList* rsc_get_cur_state (lrm_rsc_t*, state_flag_t* cur_state); +static lrm_op_t* rsc_get_last_result (lrm_rsc_t*, const char* op_type); +static gint compare_call_id(gconstpointer a, gconstpointer b); + +static struct rsc_ops rsc_ops_instance = +{ + rsc_perform_op, + rsc_cancel_op, + rsc_flush_ops, + rsc_get_cur_state, + rsc_get_last_result +}; + + +/* define the internal data used by the client library*/ +static int is_signed_on = FALSE; +static IPC_Channel* ch_cmd = NULL; +static IPC_Channel* ch_cbk = NULL; +static lrm_op_done_callback_t op_done_callback = NULL; + +/* define some utility functions*/ +static int get_ret_from_ch(IPC_Channel* ch); +static int get_ret_from_msg(struct ha_msg* msg); +static struct ha_msg* op_to_msg (lrm_op_t* op); +static lrm_op_t* msg_to_op(struct ha_msg* msg); +static void free_op (lrm_op_t* op); + +/* define of the api functions*/ +ll_lrm_t* +ll_lrm_new (const char * llctype) +{ + ll_lrm_t* lrm; + + /* check the parameter*/ + if (0 != STRNCMP_CONST(llctype, LRM_ID)) { + cl_log(LOG_ERR, "ll_lrm_new: wrong parameter"); + return NULL; + } + + /* alloc memory for lrm*/ + if (NULL == (lrm = (ll_lrm_t*) g_new(ll_lrm_t,1))) { + cl_log(LOG_ERR, "ll_lrm_new: can not allocate memory"); + return NULL; + } + /* assign the ops*/ + lrm->lrm_ops = &lrm_ops_instance; + + return lrm; +} + +static int +lrm_signon (ll_lrm_t* lrm, const char * app_name) +{ + + GHashTable* ch_cmd_attrs; + GHashTable* ch_cbk_attrs; + + struct ha_msg* msg; + + char path[] = IPC_PATH_ATTR; + char cmd_path[] = LRM_CMDPATH; + char callback_path[] = LRM_CALLBACKPATH; + + /* check parameters*/ + if (NULL == lrm || NULL == app_name) { + cl_log(LOG_ERR, "lrm_signon: wrong parameter"); + return HA_FAIL; + } + + /* if already signed on, sign off first*/ + if (is_signed_on) { + cl_log(LOG_WARNING, + "lrm_signon: the client is alreay signed on, re-sign"); + lrm_signoff(lrm); + } + + /* create the command ipc channel to lrmd*/ + ch_cmd_attrs = g_hash_table_new(g_str_hash, g_str_equal); + g_hash_table_insert(ch_cmd_attrs, path, cmd_path); + ch_cmd = ipc_channel_constructor(IPC_ANYTYPE, ch_cmd_attrs); + g_hash_table_destroy(ch_cmd_attrs); + + if (NULL == ch_cmd){ + lrm_signoff(lrm); + cl_log(LOG_WARNING, + "lrm_signon: can not connect to lrmd for cmd channel"); + return HA_FAIL; + } + + if (IPC_OK != ch_cmd->ops->initiate_connection(ch_cmd)) { + lrm_signoff(lrm); + cl_log(LOG_WARNING, + "lrm_signon: can not initiate connection"); + return HA_FAIL; + } + + /* construct the reg msg*/ + if (NULL == (msg = create_lrm_reg_msg(app_name))) { + lrm_signoff(lrm); + cl_log(LOG_ERR,"lrm_signon: failed to create a register message"); + return HA_FAIL; + } + + /* send the msg*/ + if (HA_OK != msg2ipcchan(msg,ch_cmd)) { + lrm_signoff(lrm); + ha_msg_del(msg); + LOG_FAIL_SEND_MSG(REGISTER, "ch_cmd"); + return HA_FAIL; + } + /* parse the return msg*/ + if (HA_OK != get_ret_from_ch(ch_cmd)) { + ha_msg_del(msg); + lrm_signoff(lrm); + LOG_FAIL_receive_reply(REGISTER); + return HA_FAIL; + } + + /* create the callback ipc channel to lrmd*/ + ch_cbk_attrs = g_hash_table_new(g_str_hash, g_str_equal); + g_hash_table_insert(ch_cbk_attrs, path, callback_path); + ch_cbk = ipc_channel_constructor(IPC_ANYTYPE,ch_cbk_attrs); + g_hash_table_destroy(ch_cbk_attrs); + + if (NULL == ch_cbk) { + ha_msg_del(msg); + lrm_signoff(lrm); + cl_log(LOG_ERR, "lrm_signon: failed to construct a callback " + "channel to lrmd"); + return HA_FAIL; + } + + if (IPC_OK != ch_cbk->ops->initiate_connection(ch_cbk)) { + ha_msg_del(msg); + lrm_signoff(lrm); + cl_log(LOG_ERR, + "lrm_signon: failed to initiate the callback channel."); + return HA_FAIL; + } + /* send the msg*/ + if (HA_OK != msg2ipcchan(msg,ch_cbk)) { + lrm_signoff(lrm); + ha_msg_del(msg); + LOG_FAIL_SEND_MSG(REGISTER, "ch_cbk"); + return HA_FAIL; + } + ha_msg_del(msg); + /* parse the return msg*/ + if (HA_OK != get_ret_from_ch(ch_cbk)) { + lrm_signoff(lrm); + LOG_FAIL_receive_reply(REGISTER); + return HA_FAIL; + } + /* ok, we sign on sucessfully now*/ + is_signed_on = TRUE; + return HA_OK; +} + +static int +lrm_signoff (ll_lrm_t* lrm) +{ + /* close channels */ + if (NULL != ch_cmd) { + if (IPC_ISWCONN(ch_cmd)) { + ch_cmd->ops->destroy(ch_cmd); + } + ch_cmd = NULL; + } + if (NULL != ch_cbk) { + if (IPC_ISWCONN(ch_cbk)) { + ch_cbk->ops->destroy(ch_cbk); + } + ch_cbk = NULL; + } + is_signed_on = FALSE; + + return HA_OK; +} + +static int +lrm_delete (ll_lrm_t* lrm) +{ + /* check the parameter */ + if (NULL == lrm) { + cl_log(LOG_ERR,"lrm_delete: the parameter is a null pointer."); + return HA_FAIL; + } + g_free(lrm); + + return HA_OK; +} + +static int +lrm_set_lrm_callback (ll_lrm_t* lrm, + lrm_op_done_callback_t op_done_callback_func) + +{ + op_done_callback = op_done_callback_func; + + return HA_OK; +} + +static GList* +lrm_get_rsc_class_supported (ll_lrm_t* lrm) +{ + struct ha_msg* msg; + struct ha_msg* ret; + GList* class_list = NULL; + /* check whether the channel to lrmd is available */ + if (NULL == ch_cmd) + { + cl_log(LOG_ERR, + "lrm_get_rsc_class_supported: ch_cmd is a null pointer."); + return NULL; + } + /* create the get ra type message */ + msg = create_lrm_msg(GETRSCCLASSES); + if ( NULL == msg) { + LOG_FAIL_create_lrm_msg(GETRSCCLASSES); + return NULL; + } + + /* send the msg to lrmd */ + if (HA_OK != msg2ipcchan(msg,ch_cmd)) { + ha_msg_del(msg); + LOG_FAIL_SEND_MSG(GETRSCCLASSES, "ch_cmd"); + return NULL; + } + ha_msg_del(msg); + /* get the return message */ + ret = msgfromIPC(ch_cmd, MSG_ALLOWINTR); + if (NULL == ret) { + LOG_FAIL_receive_reply(GETRSCCLASSES); + return NULL; + } + /* get the return code of the message */ + if (HA_OK != get_ret_from_msg(ret)) { + LOG_GOT_FAIL_RET(LOG_WARNING, GETRSCCLASSES); + ha_msg_del(ret); + return NULL; + } + /* get the ra type list from message */ + class_list = ha_msg_value_str_list(ret,F_LRM_RCLASS); + + ha_msg_del(ret); + + return class_list; +} +static GList* +lrm_get_rsc_type_supported (ll_lrm_t* lrm, const char* rclass) +{ + struct ha_msg* msg; + struct ha_msg* ret; + GList* type_list = NULL; + /* check whether the channel to lrmd is available */ + if (NULL == ch_cmd) + { + cl_log(LOG_ERR, "%s(%d): ch_cmd is null." + , __FUNCTION__, __LINE__); + + return NULL; + } + /* create the get ra type message */ + msg = create_lrm_msg(GETRSCTYPES); + if ( NULL == msg) { + LOG_FAIL_create_lrm_msg(GETRSCTYPES); + return NULL; + } + if ( HA_OK != ha_msg_add(msg, F_LRM_RCLASS, rclass)) { + ha_msg_del(msg); + LOG_BASIC_ERROR("ha_msg_add"); + return NULL; + } + + /* send the msg to lrmd */ + if (HA_OK != msg2ipcchan(msg,ch_cmd)) { + ha_msg_del(msg); + LOG_FAIL_SEND_MSG(GETRSCTYPES, "ch_cmd"); + return NULL; + } + ha_msg_del(msg); + /* get the return message */ + ret = msgfromIPC(ch_cmd, MSG_ALLOWINTR); + if (NULL == ret) { + LOG_FAIL_receive_reply(GETRSCTYPES); + return NULL; + } + /* get the return code of the message */ + if (HA_OK != get_ret_from_msg(ret)) { + LOG_GOT_FAIL_RET(LOG_ERR, GETRSCTYPES); + ha_msg_del(ret); + return NULL; + } + /* get the ra type list from message */ + type_list = ha_msg_value_str_list(ret,F_LRM_RTYPES); + + ha_msg_del(ret); + + return type_list; +} +static GList* +lrm_get_rsc_provider_supported (ll_lrm_t* lrm, const char* class, const char* type) +{ + struct ha_msg* msg; + struct ha_msg* ret; + GList* provider_list = NULL; + /* check whether the channel to lrmd is available */ + if (NULL == ch_cmd) + { + cl_log(LOG_ERR, + "lrm_get_rsc_provider_supported: ch_mod is null."); + return NULL; + } + /* create the get ra providers message */ + msg = create_lrm_msg(GETPROVIDERS); + if ( NULL == msg) { + LOG_FAIL_create_lrm_msg(GETPROVIDERS); + return NULL; + } + if (HA_OK != ha_msg_add(msg, F_LRM_RCLASS, class) + || HA_OK != ha_msg_add(msg, F_LRM_RTYPE, type)) { + ha_msg_del(msg); + LOG_BASIC_ERROR("ha_msg_add"); + return NULL; + } + + /* send the msg to lrmd */ + if (HA_OK != msg2ipcchan(msg,ch_cmd)) { + ha_msg_del(msg); + LOG_FAIL_SEND_MSG(GETPROVIDERS, "ch_cmd"); + return NULL; + } + ha_msg_del(msg); + /* get the return message */ + ret = msgfromIPC(ch_cmd, MSG_ALLOWINTR); + if (NULL == ret) { + LOG_FAIL_receive_reply(GETPROVIDERS); + return NULL; + } + /* get the return code of the message */ + if (HA_OK != get_ret_from_msg(ret)) { + LOG_GOT_FAIL_RET(LOG_ERR, GETPROVIDERS); + ha_msg_del(ret); + return NULL; + } + /* get the ra provider list from message */ + provider_list = ha_msg_value_str_list(ret,F_LRM_RPROVIDERS); + + ha_msg_del(ret); + + return provider_list; +} + +/* + * lrm_get_all_type_metadatas(): + * The key of the hash table is in the format "type:provider" + * The value of the hash table is the metadata. + */ +static GHashTable* +lrm_get_all_type_metadata (ll_lrm_t* lrm, const char* rclass) +{ + GHashTable* metas = g_hash_table_new_full(g_str_hash, g_str_equal + , g_free, g_free); + GList* types = lrm_get_rsc_type_supported (lrm, rclass); + GList* providers = NULL; + GList* cur_type = NULL; + GList* cur_provider = NULL; + + cur_type = g_list_first(types); + while (cur_type != NULL) + { + const char* type; + char key[MAXLENGTH]; + type = (const char*) cur_type->data; + providers = lrm_get_rsc_provider_supported(lrm, rclass, type); + cur_provider = g_list_first(providers); + while (cur_provider != NULL) { + const char* meta; + const char* provider; + provider = (const char*) cur_provider->data; + meta = lrm_get_rsc_type_metadata(lrm,rclass,type,provider); + if (NULL == meta) { + cur_provider = g_list_next(cur_provider); + continue; + } + snprintf(key,MAXLENGTH, "%s:%s",type,provider); + key[MAXLENGTH-1]='\0'; + g_hash_table_insert(metas,g_strdup(key),g_strdup(meta)); + cur_provider = g_list_next(cur_provider); + } + lrm_free_str_list(providers); + cur_type=g_list_next(cur_type); + } + lrm_free_str_list(types); + return metas; +} + +static char* +lrm_get_rsc_type_metadata (ll_lrm_t* lrm, const char* rclass, const char* rtype, + const char* provider) +{ + struct ha_msg* msg; + struct ha_msg* ret; + const char* tmp = NULL; + char* metadata = NULL; + + /* check whether the channel to lrmd is available */ + if (NULL == ch_cmd) + { + cl_log(LOG_ERR, + "lrm_get_rsc_type_metadata: ch_mod is null."); + return NULL; + } + /* create the get ra type message */ + msg = create_lrm_msg(GETRSCMETA); + if (NULL == msg ) { + LOG_FAIL_create_lrm_msg(GETRSCMETA); + return NULL; + } + + if (HA_OK != ha_msg_add(msg, F_LRM_RCLASS, rclass) + || HA_OK != ha_msg_add(msg, F_LRM_RTYPE, rtype)){ + ha_msg_del(msg); + LOG_BASIC_ERROR("ha_msg_add"); + return NULL; + } + + if( provider ) { + if (HA_OK != ha_msg_add(msg, F_LRM_RPROVIDER, provider)) { + LOG_BASIC_ERROR("ha_msg_add"); + ha_msg_del(msg); + return NULL; + } + } + + /* send the msg to lrmd */ + if (HA_OK != msg2ipcchan(msg,ch_cmd)) { + ha_msg_del(msg); + LOG_FAIL_SEND_MSG(GETRSCMETA, "ch_cmd"); + return NULL; + } + ha_msg_del(msg); + /* get the return message */ + ret = msgfromIPC(ch_cmd, MSG_ALLOWINTR); + if (NULL == ret) { + LOG_FAIL_receive_reply(GETRSCMETA); + return NULL; + } + /* get the return code of the message */ + if (HA_OK != get_ret_from_msg(ret)) { + LOG_GOT_FAIL_RET(LOG_ERR, GETRSCMETA); + ha_msg_del(ret); + return NULL; + } + + /* get the metadata from message */ + tmp = cl_get_string(ret, F_LRM_METADATA); + if (NULL!=tmp) { + metadata = g_strdup(tmp); + } + ha_msg_del(ret); + + return metadata; +} + +static GList* +lrm_get_all_rscs (ll_lrm_t* lrm) +{ + struct ha_msg* msg = NULL; + struct ha_msg* ret = NULL; + GList* rid_list = NULL; + + /* check whether the channel to lrmd is available */ + if (NULL == ch_cmd) { + cl_log(LOG_ERR, "lrm_get_all_rscs: ch_mod is null."); + return NULL; + } + /* create the msg of get all resource */ + msg = create_lrm_msg(GETALLRCSES); + if ( NULL == msg) { + LOG_FAIL_create_lrm_msg(GETALLRCSES); + return NULL; + } + /* send the msg to lrmd */ + if (HA_OK != msg2ipcchan(msg,ch_cmd)) { + ha_msg_del(msg); + LOG_FAIL_SEND_MSG(GETALLRCSES, "ch_cmd"); + return NULL; + } + ha_msg_del(msg); + /* get the return msg */ + ret = msgfromIPC(ch_cmd, MSG_ALLOWINTR); + if (NULL == ret) { + LOG_FAIL_receive_reply(GETALLRCSES); + return NULL; + } + /* get the return code of msg */ + if (HA_OK != get_ret_from_msg(ret)) { + LOG_GOT_FAIL_RET(LOG_ERR, GETALLRCSES); + ha_msg_del(ret); + return NULL; + } + /* get the rsc_id list from msg */ + rid_list = ha_msg_value_str_list(ret,F_LRM_RID); + + ha_msg_del(ret); + /* return the id list */ + return rid_list; + +} + +static lrm_rsc_t* +lrm_get_rsc (ll_lrm_t* lrm, const char* rsc_id) +{ + struct ha_msg* msg = NULL; + struct ha_msg* ret = NULL; + lrm_rsc_t* rsc = NULL; + + /* check whether the rsc_id is available */ + if (strlen(rsc_id) >= RID_LEN) { + cl_log(LOG_ERR, "lrm_get_rsc: rsc_id is too long."); + return NULL; + } + + /* check whether the channel to lrmd is available */ + if (NULL == ch_cmd) { + cl_log(LOG_ERR, "lrm_get_rsc: ch_mod is null."); + return NULL; + } + /* create the msg of get resource */ + msg = create_lrm_rsc_msg(rsc_id, GETRSC); + if ( NULL == msg) { + LOG_FAIL_create_lrm_rsc_msg(GETRSC); + return NULL; + } + /* send the msg to lrmd */ + if (HA_OK != msg2ipcchan(msg,ch_cmd)) { + ha_msg_del(msg); + LOG_FAIL_SEND_MSG(GETRSC, "ch_cmd"); + return NULL; + } + ha_msg_del(msg); + /* get the return msg from lrmd */ + ret = msgfromIPC(ch_cmd, MSG_ALLOWINTR); + if (NULL == ret) { + LOG_FAIL_receive_reply(GETRSC); + return NULL; + } + /* get the return code of return message */ + if (HA_OK != get_ret_from_msg(ret)) { + ha_msg_del(ret); + return NULL; + } + /* create a new resource structure */ + rsc = g_new(lrm_rsc_t, 1); + + /* fill the field of resource with the data from msg */ + rsc->id = g_strdup(ha_msg_value(ret, F_LRM_RID)); + rsc->type = g_strdup(ha_msg_value(ret, F_LRM_RTYPE)); + rsc->class = g_strdup(ha_msg_value(ret, F_LRM_RCLASS)); + rsc->provider = g_strdup(ha_msg_value(ret, F_LRM_RPROVIDER)); + rsc->params = ha_msg_value_str_table(ret,F_LRM_PARAM); + + rsc->ops = &rsc_ops_instance; + ha_msg_del(ret); + /* return the new resource */ + return rsc; +} + +static int +lrm_fail_rsc (ll_lrm_t* lrm, const char* rsc_id, const int fail_rc +, const char* fail_reason) +{ + struct ha_msg* msg; + + /* check whether the rsc_id is available */ + if (NULL == rsc_id || RID_LEN <= strlen(rsc_id)) { + cl_log(LOG_ERR, "%s: wrong parameter rsc_id.", __FUNCTION__); + return HA_FAIL; + } + + /* check whether the channel to lrmd is available */ + if (NULL == ch_cmd) { + cl_log(LOG_ERR, "%s: ch_mod is null.", __FUNCTION__); + return HA_FAIL; + } + + /* create the message */ + msg = create_lrm_rsc_msg(rsc_id,FAILRSC); + if (NULL == msg) { + LOG_FAIL_create_lrm_rsc_msg(FAILRSC); + return HA_FAIL; + } + if ((fail_reason && HA_OK != ha_msg_add(msg,F_LRM_FAIL_REASON,fail_reason)) + || HA_OK != ha_msg_add_int(msg, F_LRM_ASYNCMON_RC, fail_rc) + ) { + ha_msg_del(msg); + LOG_BASIC_ERROR("ha_msg_add"); + return HA_FAIL; + } + /* send to lrmd */ + if (HA_OK != msg2ipcchan(msg,ch_cmd)) { + ha_msg_del(msg); + LOG_FAIL_SEND_MSG(FAILRSC, "ch_cmd"); + return HA_FAIL; + } + ha_msg_del(msg); + /* check the result */ + if (HA_OK != get_ret_from_ch(ch_cmd)) { + LOG_GOT_FAIL_RET(LOG_ERR, FAILRSC); + return HA_FAIL; + } + + return HA_OK; +} + +static int +lrm_set_lrmd_param(ll_lrm_t* lrm, const char* name, const char *value) +{ + struct ha_msg* msg; + + if (!name || !value) { + cl_log(LOG_ERR, "%s: no parameter name or value", __FUNCTION__); + return HA_FAIL; + } + + /* check whether the channel to lrmd is available */ + if (NULL == ch_cmd) { + cl_log(LOG_ERR, "%s: ch_mod is null.", __FUNCTION__); + return HA_FAIL; + } + + /* create the message */ + msg = create_lrm_msg(SETLRMDPARAM); + if (NULL == msg) { + LOG_FAIL_create_lrm_rsc_msg(SETLRMDPARAM); + return HA_FAIL; + } + if (HA_OK != ha_msg_add(msg,F_LRM_LRMD_PARAM_NAME,name) + || HA_OK != ha_msg_add(msg,F_LRM_LRMD_PARAM_VAL,value)) { + ha_msg_del(msg); + LOG_BASIC_ERROR("ha_msg_add"); + return HA_FAIL; + } + /* send to lrmd */ + if (HA_OK != msg2ipcchan(msg,ch_cmd)) { + ha_msg_del(msg); + LOG_FAIL_SEND_MSG(FAILRSC, "ch_cmd"); + return HA_FAIL; + } + ha_msg_del(msg); + /* check the result */ + if (HA_OK != get_ret_from_ch(ch_cmd)) { + LOG_GOT_FAIL_RET(LOG_ERR, FAILRSC); + return HA_FAIL; + } + + return HA_OK; +} + +static char* +lrm_get_lrmd_param (ll_lrm_t* lrm, const char *name) +{ + struct ha_msg* msg = NULL; + struct ha_msg* ret = NULL; + const char* value = NULL; + char* v2; + + /* check whether the channel to lrmd is available */ + if (NULL == ch_cmd) { + cl_log(LOG_ERR, "lrm_get_rsc: ch_mod is null."); + return NULL; + } + /* create the msg of get resource */ + msg = create_lrm_msg(GETLRMDPARAM); + if ( NULL == msg) { + LOG_FAIL_create_lrm_msg(GETLRMDPARAM); + return NULL; + } + if (HA_OK != ha_msg_add(msg,F_LRM_LRMD_PARAM_NAME,name)) { + ha_msg_del(msg); + LOG_BASIC_ERROR("ha_msg_add"); + return NULL; + } + /* send the msg to lrmd */ + if (HA_OK != msg2ipcchan(msg,ch_cmd)) { + ha_msg_del(msg); + LOG_FAIL_SEND_MSG(GETLRMDPARAM, "ch_cmd"); + return NULL; + } + ha_msg_del(msg); + /* get the return msg from lrmd */ + ret = msgfromIPC(ch_cmd, MSG_ALLOWINTR); + if (NULL == ret) { + LOG_FAIL_receive_reply(GETLRMDPARAM); + return NULL; + } + /* get the return code of return message */ + if (HA_OK != get_ret_from_msg(ret)) { + ha_msg_del(ret); + return NULL; + } + value = ha_msg_value(ret,F_LRM_LRMD_PARAM_VAL); + if (!value) { + LOG_FAIL_GET_MSG_FIELD(LOG_ERR, F_LRM_LRMD_PARAM_VAL, ret); + ha_msg_del(ret); + return NULL; + } + v2 = g_strdup(value); + ha_msg_del(ret); + return v2; +} + +static int +lrm_add_rsc (ll_lrm_t* lrm, const char* rsc_id, const char* class +, const char* type, const char* provider, GHashTable* parameter) +{ + struct ha_msg* msg; + + /* check whether the rsc_id is available */ + if (NULL == rsc_id || RID_LEN <= strlen(rsc_id)) { + cl_log(LOG_ERR, "lrm_add_rsc: wrong parameter rsc_id."); + return HA_FAIL; + } + + /* check whether the channel to lrmd is available */ + if (NULL == ch_cmd) { + cl_log(LOG_ERR, "lrm_add_rsc: ch_mod is null."); + return HA_FAIL; + } + + /* create the message of add resource */ + msg = create_lrm_addrsc_msg(rsc_id, class, type, provider, parameter); + if ( NULL == msg) { + cl_log(LOG_ERR, "%s(%d): failed to create a ADDSRC message " + "with function create_lrm_addrsc_msg" + , __FUNCTION__, __LINE__); + return HA_FAIL; + } + /* send to lrmd */ + if (HA_OK != msg2ipcchan(msg,ch_cmd)) { + ha_msg_del(msg); + LOG_FAIL_SEND_MSG(ADDRSC, "ch_cmd"); + return HA_FAIL; + } + ha_msg_del(msg); + /* check the result */ + if (HA_OK != get_ret_from_ch(ch_cmd)) { + LOG_GOT_FAIL_RET(LOG_ERR, ADDRSC); + return HA_FAIL; + } + + return HA_OK; +} + +static int +lrm_delete_rsc (ll_lrm_t* lrm, const char* rsc_id) +{ + struct ha_msg* msg = NULL; + int rc; + + /* check whether the rsc_id is available */ + if (NULL == rsc_id || RID_LEN <= strlen(rsc_id)) { + cl_log(LOG_ERR, "lrm_delete_rsc: wrong parameter rsc_id."); + return HA_FAIL; + } + + /* check whether the channel to lrmd is available */ + if (NULL == ch_cmd) { + cl_log(LOG_ERR, "lrm_delete_rsc: ch_mod is null."); + return HA_FAIL; + } + + /* create the msg of del resource */ + msg = create_lrm_rsc_msg(rsc_id, DELRSC); + if ( NULL == msg) { + LOG_FAIL_create_lrm_rsc_msg(DELRSC); + return HA_FAIL; + } + /* send the msg to lrmd */ + if (HA_OK != msg2ipcchan(msg,ch_cmd)) { + ha_msg_del(msg); + LOG_FAIL_SEND_MSG(DELRSC, "ch_cmd"); + return HA_FAIL; + } + ha_msg_del(msg); + /* check the response of the msg */ + rc = get_ret_from_ch(ch_cmd); + if (rc != HA_OK && rc != HA_RSCBUSY) { + LOG_GOT_FAIL_RET(LOG_ERR, DELRSC); + return HA_FAIL; + } + + return rc; +} + +static IPC_Channel* +lrm_ipcchan (ll_lrm_t* lrm) +{ + if (NULL == ch_cbk) { + cl_log(LOG_ERR, + "lrm_inputfd: callback channel is null."); + return NULL; + } + + return ch_cbk; +} + +static gboolean +lrm_msgready (ll_lrm_t* lrm) +{ + if (NULL == ch_cbk) { + cl_log(LOG_ERR, + "lrm_msgready: callback channel is null."); + return FALSE; + } + return ch_cbk->ops->is_message_pending(ch_cbk); +} + +static int +lrm_rcvmsg (ll_lrm_t* lrm, int blocking) +{ + struct ha_msg* msg = NULL; + lrm_op_t* op = NULL; + int msg_count = 0; + + /* if it is not blocking mode and no message in the channel, return */ + if ((!lrm_msgready(lrm)) && (!blocking)) { + cl_log(LOG_DEBUG, + "lrm_rcvmsg: no message and non-block."); + return msg_count; + } + /* wait until message ready */ + if (!lrm_msgready(lrm)) { + ch_cbk->ops->waitin(ch_cbk); + } + while (lrm_msgready(lrm)) { + if (ch_cbk->ch_status == IPC_DISCONNECT) { + return msg_count; + } + /* get the message */ + msg = msgfromIPC(ch_cbk, MSG_ALLOWINTR); + if (msg == NULL) { + cl_log(LOG_WARNING, + "%s(%d): receive a null message with msgfromIPC." + , __FUNCTION__, __LINE__); + return msg_count; + } + msg_count++; + + op = msg_to_op(msg); + if (NULL!=op && NULL!=op_done_callback) { + (*op_done_callback)(op); + } + free_op(op); + ha_msg_del(msg); + } + + return msg_count; +} + +/* following are the functions for rsc_ops */ +static int +rsc_perform_op (lrm_rsc_t* rsc, lrm_op_t* op) +{ + int rc = 0; + struct ha_msg* msg = NULL; + char* rsc_id; + + /* check whether the channel to lrmd is available */ + if (NULL == ch_cmd + || NULL == rsc + || NULL == rsc->id + || NULL == op + || NULL == op->op_type) { + cl_log(LOG_ERR, + "rsc_perform_op: wrong parameters."); + return HA_FAIL; + } + /* create the msg of perform op */ + rsc_id = op->rsc_id; + op->rsc_id = rsc->id; + msg = op_to_msg(op); + op->rsc_id = rsc_id; + if ( NULL == msg) { + cl_log(LOG_ERR, "rsc_perform_op: failed to create a message " + "with function op_to_msg"); + return HA_FAIL; + } + /* send it to lrmd */ + if (HA_OK != msg2ipcchan(msg,ch_cmd)) { + ha_msg_del(msg); + LOG_FAIL_SEND_MSG(PERFORMOP, "ch_cmd"); + return HA_FAIL; + } + ha_msg_del(msg); + + /* check return code, the return code is the call_id of the op */ + rc = get_ret_from_ch(ch_cmd); + return rc; +} + +static int +rsc_cancel_op (lrm_rsc_t* rsc, int call_id) +{ + int rc; + struct ha_msg* msg = NULL; + + /* check whether the channel to lrmd is available */ + if (NULL == ch_cmd) { + cl_log(LOG_ERR, "rsc_cancel_op: ch_mod is null."); + return HA_FAIL; + } + /* check parameter */ + if (NULL == rsc) { + cl_log(LOG_ERR, "rsc_cancel_op: parameter rsc is null."); + return HA_FAIL; + } + /* create the msg of flush ops */ + msg = create_lrm_rsc_msg(rsc->id,CANCELOP); + if (NULL == msg) { + LOG_FAIL_create_lrm_rsc_msg(CANCELOP); + return HA_FAIL; + } + if (HA_OK != ha_msg_add_int(msg, F_LRM_CALLID, call_id)) { + LOG_BASIC_ERROR("ha_msg_add_int"); + ha_msg_del(msg); + return HA_FAIL; + } + + /* send the msg to lrmd */ + if (HA_OK != msg2ipcchan(msg,ch_cmd)) { + ha_msg_del(msg); + LOG_FAIL_SEND_MSG(CANCELOP, "ch_cmd"); + return HA_FAIL; + } + ha_msg_del(msg); + + rc = get_ret_from_ch(ch_cmd); + + return rc; +} + +static int +rsc_flush_ops (lrm_rsc_t* rsc) +{ + int rc; + struct ha_msg* msg = NULL; + + /* check whether the channel to lrmd is available */ + if (NULL == ch_cmd) { + cl_log(LOG_ERR, "rsc_flush_ops: ch_mod is null."); + return HA_FAIL; + } + /* check parameter */ + if (NULL == rsc) { + cl_log(LOG_ERR, "rsc_flush_ops: parameter rsc is null."); + return HA_FAIL; + } + /* create the msg of flush ops */ + msg = create_lrm_rsc_msg(rsc->id,FLUSHOPS); + if ( NULL == msg) { + LOG_FAIL_create_lrm_rsc_msg(CANCELOP); + return HA_FAIL; + } + /* send the msg to lrmd */ + if (HA_OK != msg2ipcchan(msg,ch_cmd)) { + ha_msg_del(msg); + LOG_FAIL_SEND_MSG(FLUSHOPS, "ch_cmd"); + return HA_FAIL; + } + ha_msg_del(msg); + + rc = get_ret_from_ch(ch_cmd); + + return rc>0?rc:HA_FAIL; +} +static gint +compare_call_id(gconstpointer a, gconstpointer b) +{ + const lrm_op_t* opa = (const lrm_op_t*)a; + const lrm_op_t* opb = (const lrm_op_t*)b; + return opa->call_id - opb->call_id; +} +static GList* +rsc_get_cur_state (lrm_rsc_t* rsc, state_flag_t* cur_state) +{ + GList* op_list = NULL, * tmplist = NULL; + struct ha_msg* msg = NULL; + struct ha_msg* ret = NULL; + struct ha_msg* op_msg = NULL; + lrm_op_t* op = NULL; + int state; + int op_count, i; + + /* check whether the channel to lrmd is available */ + if (NULL == ch_cmd) { + cl_log(LOG_ERR, "rsc_get_cur_state: ch_mod is null."); + return NULL; + } + /* check paramter */ + if (NULL == rsc) { + cl_log(LOG_ERR, "rsc_get_cur_state: parameter rsc is null."); + return NULL; + } + /* create the msg of get current state of resource */ + msg = create_lrm_rsc_msg(rsc->id,GETRSCSTATE); + if ( NULL == msg) { + LOG_FAIL_create_lrm_rsc_msg(GETRSCSTATE); + return NULL; + } + /* send the msg to lrmd */ + if (HA_OK != msg2ipcchan(msg,ch_cmd)) { + ha_msg_del(msg); + LOG_FAIL_SEND_MSG(GETRSCSTATE, "ch_cmd"); + return NULL; + } + ha_msg_del(msg); + + /* get the return msg */ + ret = msgfromIPC(ch_cmd, MSG_ALLOWINTR); + if (NULL == ret) { + LOG_FAIL_receive_reply(GETRSCSTATE); + return NULL; + } + + /* get the state of the resource from the message */ + if (HA_OK != ha_msg_value_int(ret, F_LRM_STATE, &state)) { + LOG_FAIL_GET_MSG_FIELD(LOG_ERR, F_LRM_STATE, ret); + ha_msg_del(ret); + return NULL; + } + *cur_state = (state_flag_t)state; + /* the first msg includes the count of pending ops. */ + if (HA_OK != ha_msg_value_int(ret, F_LRM_OPCNT, &op_count)) { + LOG_FAIL_GET_MSG_FIELD(LOG_WARNING, F_LRM_OPCNT, ret); + ha_msg_del(ret); + return NULL; + } + ha_msg_del(ret); + for (i = 0; i < op_count; i++) { + /* one msg for one op */ + op_msg = msgfromIPC(ch_cmd, MSG_ALLOWINTR); + + if (NULL == op_msg) { + cl_log(LOG_WARNING, "%s(%d): failed to receive a " + "(pending operation) message from lrmd." + , __FUNCTION__, __LINE__); + continue; + } + op = msg_to_op(op_msg); + /* add msg to the return list */ + + if (NULL != op) { + op_list = g_list_append(op_list, op); + } + else { + cl_log(LOG_WARNING, "%s(%d): failed to make a operation " + "from a message with function msg_to_op" + , __FUNCTION__, __LINE__); + } + ha_msg_del(op_msg); + } + op_list = g_list_sort(op_list, compare_call_id); + + /* Delete the duplicate op for call_id */ +#if 0 + cl_log(LOG_WARNING, "Before uniquing"); + tmplist = g_list_first(op_list); + while (tmplist != NULL) { + cl_log(LOG_WARNING, "call_id=%d", ((lrm_op_t*)(tmplist->data))->call_id); + tmplist = g_list_next(tmplist); + } +#endif + + tmplist = g_list_first(op_list); + while (tmplist != NULL) { + if (NULL != g_list_previous(tmplist)) { + if (((lrm_op_t*)(g_list_previous(tmplist)->data))->call_id + == ((lrm_op_t*)(tmplist->data))->call_id) { + op_list = g_list_remove_link (op_list, tmplist); + free_op((lrm_op_t *)tmplist->data); + g_list_free_1(tmplist); + tmplist = g_list_first(op_list); + } + } + tmplist = g_list_next(tmplist); + } + +#if 0 + cl_log(LOG_WARNING, "After uniquing"); + while (tmplist != NULL) { + cl_log(LOG_WARNING, "call_id=%d", ((lrm_op_t*)(tmplist->data))->call_id); + tmplist = g_list_next(tmplist); + } +#endif + + return op_list; +} + +static lrm_op_t* +rsc_get_last_result (lrm_rsc_t* rsc, const char* op_type) +{ + struct ha_msg* msg = NULL; + struct ha_msg* ret = NULL; + lrm_op_t* op = NULL; + int opcount = 0; + /* check whether the channel to lrmd is available */ + if (NULL == ch_cmd) { + cl_log(LOG_ERR, "rsc_get_last_result: ch_mod is null."); + return NULL; + } + /* check parameter */ + if (NULL == rsc) { + cl_log(LOG_ERR, "rsc_get_last_result: parameter rsc is null."); + return NULL; + } + /* create the msg of get last op */ + msg = create_lrm_rsc_msg(rsc->id,GETLASTOP); + if (NULL == msg) { + LOG_FAIL_create_lrm_rsc_msg(GETLASTOP); + return NULL; + } + if (HA_OK != ha_msg_add(msg, F_LRM_RID, rsc->id)) { + LOG_BASIC_ERROR("ha_msg_add"); + ha_msg_del(msg); + return NULL; + } + if (HA_OK != ha_msg_add(msg, F_LRM_OP, op_type)) { + LOG_BASIC_ERROR("ha_msg_add"); + ha_msg_del(msg); + return NULL; + } + + /* send the msg to lrmd */ + if (HA_OK != msg2ipcchan(msg,ch_cmd)) { + ha_msg_del(msg); + LOG_FAIL_SEND_MSG(GETLASTOP, "ch_cmd"); + return NULL; + } + + /* get the return msg */ + ret = msgfromIPC(ch_cmd, MSG_ALLOWINTR); + if (NULL == ret) { + LOG_FAIL_receive_reply(GETLASTOP); + ha_msg_del(msg); + return NULL; + } + if (HA_OK != ha_msg_value_int(ret,F_LRM_OPCNT, &opcount)) { + op = NULL; + } + else if ( 1 == opcount ) { + op = msg_to_op(ret); + } + ha_msg_del(msg); + ha_msg_del(ret); + return op; +} +/* + * following are the implements of the utility functions + */ +lrm_op_t* +lrm_op_new(void) +{ + lrm_op_t* op; + + op = g_new0(lrm_op_t, 1); + op->op_status = LRM_OP_PENDING; + return op; +} + +static lrm_op_t* +msg_to_op(struct ha_msg* msg) +{ + lrm_op_t* op; + const char* op_type; + const char* app_name; + const char* rsc_id; + const char* fail_reason; + const char* output; + const void* user_data; + + op = lrm_op_new(); + + /* op->timeout, op->interval, op->target_rc, op->call_id*/ + if (HA_OK != ha_msg_value_int(msg,F_LRM_TIMEOUT, &op->timeout) + || HA_OK != ha_msg_value_int(msg,F_LRM_INTERVAL, &op->interval) + || HA_OK != ha_msg_value_int(msg,F_LRM_TARGETRC, &op->target_rc) + || HA_OK != ha_msg_value_int(msg,F_LRM_DELAY, &op->start_delay) + || HA_OK != ha_msg_value_int(msg,F_LRM_CALLID, &op->call_id)) { + LOG_BASIC_ERROR("ha_msg_value_int"); + free_op(op); + return NULL; + } + + /* op->op_status */ + if (HA_OK != + ha_msg_value_int(msg, F_LRM_OPSTATUS, (int*)&op->op_status)) { + LOG_FAIL_GET_MSG_FIELD(LOG_WARNING, F_LRM_OPSTATUS, msg); + op->op_status = LRM_OP_PENDING; + } + + /* if it finished successfully */ + if (LRM_OP_DONE == op->op_status ) { + /* op->rc */ + if (HA_OK != ha_msg_value_int(msg, F_LRM_RC, &op->rc)) { + free_op(op); + LOG_FAIL_GET_MSG_FIELD(LOG_ERR, F_LRM_RC, msg); + return NULL; + } + /* op->output */ + output = cl_get_string(msg, F_LRM_DATA); + if (NULL != output){ + op->output = g_strdup(output); + } + else { + op->output = NULL; + } + } else if(op->op_status == LRM_OP_PENDING) { + op->rc = EXECRA_STATUS_UNKNOWN; + + } else { + op->rc = EXECRA_EXEC_UNKNOWN_ERROR; + } + + + /* op->app_name */ + app_name = ha_msg_value(msg, F_LRM_APP); + if (NULL == app_name) { + LOG_FAIL_GET_MSG_FIELD(LOG_ERR, F_LRM_APP, msg); + free_op(op); + return NULL; + } + op->app_name = g_strdup(app_name); + + + /* op->op_type */ + op_type = ha_msg_value(msg, F_LRM_OP); + if (NULL == op_type) { + LOG_FAIL_GET_MSG_FIELD(LOG_ERR, F_LRM_OP, msg); + free_op(op); + return NULL; + } + op->op_type = g_strdup(op_type); + + /* op->rsc_id */ + rsc_id = ha_msg_value(msg, F_LRM_RID); + if (NULL == rsc_id) { + LOG_FAIL_GET_MSG_FIELD(LOG_ERR, F_LRM_RID, msg); + free_op(op); + return NULL; + } + op->rsc_id = g_strdup(rsc_id); + + /* op->fail_reason present only on async failures */ + fail_reason = ha_msg_value(msg, F_LRM_FAIL_REASON); + if (fail_reason) { + op->fail_reason = g_strdup(fail_reason); + } + + /* op->user_data */ + user_data = cl_get_string(msg, F_LRM_USERDATA); + + if (NULL != user_data) { + op->user_data = g_strdup(user_data); + } + + /* time_stamps */ + if (ha_msg_value_ul(msg, F_LRM_T_RUN, &op->t_run) != HA_OK + || ha_msg_value_ul(msg, F_LRM_T_RCCHANGE, &op->t_rcchange) != HA_OK + || ha_msg_value_ul(msg, F_LRM_EXEC_TIME, &op->exec_time) != HA_OK + || ha_msg_value_ul(msg, F_LRM_QUEUE_TIME, &op->queue_time) != HA_OK) { + /* cl_log(LOG_WARNING + , "%s:%d: failed to get the timing information" + , __FUNCTION__, __LINE__); + */ + } + + /* op->params */ + op->params = ha_msg_value_str_table(msg, F_LRM_PARAM); + + ha_msg_value_int(msg, F_LRM_RSCDELETED, &op->rsc_deleted); + + return op; +} + +static struct ha_msg* +op_to_msg (lrm_op_t* op) +{ + struct ha_msg* msg = ha_msg_new(15); + if (!msg) { + LOG_BASIC_ERROR("ha_msg_new"); + return NULL; + } + + if (HA_OK != ha_msg_add(msg, F_LRM_TYPE, PERFORMOP) + || HA_OK != ha_msg_add(msg, F_LRM_RID, op->rsc_id) + || HA_OK != ha_msg_add(msg, F_LRM_OP, op->op_type) + || HA_OK != ha_msg_add_int(msg, F_LRM_TIMEOUT, op->timeout) + || HA_OK != ha_msg_add_int(msg, F_LRM_INTERVAL, op->interval) + || HA_OK != ha_msg_add_int(msg, F_LRM_DELAY, op->start_delay) + || HA_OK != ha_msg_add_int(msg, F_LRM_COPYPARAMS, op->copyparams) + || HA_OK != ha_msg_add_ul(msg, F_LRM_T_RUN,op->t_run) + || HA_OK != ha_msg_add_ul(msg, F_LRM_T_RCCHANGE, op->t_rcchange) + || HA_OK != ha_msg_add_ul(msg, F_LRM_EXEC_TIME, op->exec_time) + || HA_OK != ha_msg_add_ul(msg, F_LRM_QUEUE_TIME, op->queue_time) + || HA_OK != ha_msg_add_int(msg, F_LRM_TARGETRC, op->target_rc) + || ( op->app_name && (HA_OK != ha_msg_add(msg, F_LRM_APP, op->app_name))) + || ( op->user_data && (HA_OK != ha_msg_add(msg,F_LRM_USERDATA,op->user_data))) + || ( op->params && (HA_OK != ha_msg_add_str_table(msg,F_LRM_PARAM,op->params)))) { + LOG_BASIC_ERROR("op_to_msg conversion failed"); + ha_msg_del(msg); + return NULL; + } + + return msg; +} + +static int +get_ret_from_ch(IPC_Channel* ch) +{ + int ret; + struct ha_msg* msg; + + msg = msgfromIPC(ch, MSG_ALLOWINTR); + + if (NULL == msg) { + cl_log(LOG_ERR + , "%s(%d): failed to receive message with function msgfromIPC" + , __FUNCTION__, __LINE__); + return HA_FAIL; + } + if (HA_OK != ha_msg_value_int(msg, F_LRM_RET, &ret)) { + LOG_FAIL_GET_MSG_FIELD(LOG_ERR, F_LRM_RET, msg); + ha_msg_del(msg); + return HA_FAIL; + } + ha_msg_del(msg); + return ret; +} + +static int +get_ret_from_msg(struct ha_msg* msg) +{ + int ret; + + if (NULL == msg) { + cl_log(LOG_ERR, "%s(%d): the parameter is a NULL pointer." + , __FUNCTION__, __LINE__); + return HA_FAIL; + } + if (HA_OK != ha_msg_value_int(msg, F_LRM_RET, &ret)) { + LOG_FAIL_GET_MSG_FIELD(LOG_ERR, F_LRM_RET, msg); + return HA_FAIL; + } + return ret; +} +static void +free_op (lrm_op_t* op) +{ + if (NULL == op) { + return; + } + if (NULL != op->op_type) { + g_free(op->op_type); + } + if (NULL != op->output) { + g_free(op->output); + } + if (NULL != op->rsc_id) { + g_free(op->rsc_id); + } + if (NULL != op->app_name) { + g_free(op->app_name); + } + if (NULL != op->user_data) { + g_free(op->user_data); + } + if (NULL != op->params) { + free_str_table(op->params); + } + g_free(op); +} + +void lrm_free_op(lrm_op_t* op) { + free_op(op); +} +void lrm_free_rsc(lrm_rsc_t* rsc) { + if (NULL == rsc) { + return; + } + if (NULL != rsc->id) { + g_free(rsc->id); + } + if (NULL != rsc->type) { + g_free(rsc->type); + } + if (NULL != rsc->class) { + g_free(rsc->class); + } + if (NULL != rsc->provider) { + g_free(rsc->provider); + } + if (NULL != rsc->params) { + free_str_table(rsc->params); + } + g_free(rsc); +} +void lrm_free_str_list(GList* list) { + GList* item; + if (NULL == list) { + return; + } + item = g_list_first(list); + while (NULL != item) { + if (NULL != item->data) { + g_free(item->data); + } + list = g_list_delete_link(list, item); + item = g_list_first(list); + } +} +void lrm_free_op_list(GList* list) { + GList* item; + if (NULL == list) { + return; + } + item = g_list_first(list); + while (NULL != item) { + if (NULL != item->data) { + free_op((lrm_op_t*)item->data); + } + list = g_list_delete_link(list, item); + item = g_list_first(list); + } +} +void lrm_free_str_table(GHashTable* table) { + if (NULL != table) { + free_str_table(table); + } +} + +const char * +execra_code2string(uniform_ret_execra_t code) +{ + switch(code) { + case EXECRA_EXEC_UNKNOWN_ERROR: + return "unknown exec error"; + case EXECRA_NO_RA: + return "no RA"; + case EXECRA_OK: + return "ok"; + case EXECRA_UNKNOWN_ERROR: + return "unknown error"; + case EXECRA_INVALID_PARAM: + return "invalid parameter"; + case EXECRA_UNIMPLEMENT_FEATURE: + return "unimplemented feature"; + case EXECRA_INSUFFICIENT_PRIV: + return "insufficient privileges"; + case EXECRA_NOT_INSTALLED: + return "not installed"; + case EXECRA_NOT_CONFIGURED: + return "not configured"; + case EXECRA_NOT_RUNNING: + return "not running"; + /* For status command only */ + case EXECRA_RUNNING_MASTER: + return "master"; + case EXECRA_FAILED_MASTER: + return "master (failed)"; + case EXECRA_RA_DEAMON_DEAD1: + return "status: daemon dead"; + case EXECRA_RA_DEAMON_DEAD2: + return "status: daemon dead"; + case EXECRA_RA_DEAMON_STOPPED: + return "status: daemon stopped"; + case EXECRA_STATUS_UNKNOWN: + return "status: unknown"; + default: + break; + } + + return "<unknown>"; +} |