forked from lei.chen/myxce
150 lines
3.6 KiB
C
150 lines
3.6 KiB
C
#include <errno.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <tlog.h>
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#include "controller.capnp.h"
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#include "myconf.h"
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#include "objmgr.h"
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#include "utils.h"
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#include "xce/cluster_def.h"
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#include "xce/types.h"
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int add_config(void* c, char* name, char* value)
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{
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cluster_t* cls = (cluster_t*)c;
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xce_config_t var = { .name = name, .value = value };
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xce_config_t* cv = NULL;
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cv = create_obj_by_typename(&(cls->objmgr), "xconfig", &var);
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if (cv == NULL) {
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return -errno;
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}
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return 0;
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}
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struct cluster_configuration {
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cluster_config_t* cluster;
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};
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static int config_fini(int type, int situation, void* data, va_list ap)
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{
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struct cluster_configuration* cf = (struct cluster_configuration*)data;
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switch (situation) {
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case HOOK_AFTER_EVENT:
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if (cf->cluster != NULL) {
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free_ClusterConfig(cf->cluster);
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FREEUP(cf->cluster);
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}
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break;
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default:
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break;
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}
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return 0;
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}
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static int cluster_hook_fun(int type, int situation, int detail, void* data,
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va_list ap)
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{
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if (detail == HOOK_DETAIL_CLUSTER_SHUTDOWN) {
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return config_fini(type, situation, data, ap);
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}
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return 0;
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}
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#define SET_DEFAULT_IF_UNSET(var, unset, val) \
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do { \
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if ((var) == (unset)) { \
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(var) = (val); \
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} \
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} while (0)
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static void fill_default_cluster_config(cluster_config_t* c)
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{
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SET_DEFAULT_IF_UNSET(c->port, 0, 9990);
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SET_DEFAULT_IF_UNSET(c->heartbeat_interval, 0, 5);
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SET_DEFAULT_IF_UNSET(c->vcpus, 0, 8);
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SET_DEFAULT_IF_UNSET(c->fetch_job_interval, 0, 10);
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}
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static int load_cluster_config_from_file(char* file, cluster_config_t** config)
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{
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struct capn c;
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ClusterConfig_ptr p;
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FILE* fp;
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int rc = 0;
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fp = fopen(file, "rb");
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if (fp == NULL) {
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rc = -errno;
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perror("fopen");
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return rc;
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}
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capn_init_fp(&c, fp, 0);
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p.p = capn_getp(capn_root(&c), 0, 1);
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decode_ClusterConfig_ptr(config, p);
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capn_free(&c);
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fclose(fp);
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return 0;
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}
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int load_cluster_config(cluster_t* c,
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struct cluster_configuration** cluster_config)
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{
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cluster_config_t* cfg;
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int rc;
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*cluster_config
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= (struct cluster_configuration*)calloc(1, sizeof(*cluster_config));
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if ((*cluster_config) == NULL) {
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return -ENOMEM;
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}
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rc = load_cluster_config_from_file(c->myconf->conffile,
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&((*cluster_config)->cluster));
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if (rc < 0) {
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ERROR("failed to load configuration file `%s'", c->myconf->conffile);
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return rc;
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}
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if ((*cluster_config)->cluster == NULL) {
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return -errno;
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}
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cfg = (*cluster_config)->cluster;
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fill_default_cluster_config(cfg);
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xce_add_hook(&(c->hooksys), XCE_CONTROLLER_HOOK_CLUSTER,
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(hook_fn_t)cluster_hook_fun, (*cluster_config));
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return 0;
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}
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static struct cluster_configuration* cf = NULL;
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cluster_config_t* get_default_conf(void* cl)
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{
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cluster_config_t* c;
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cluster_t* cls = (cluster_t*)cl;
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load_cluster_config(cls, &cf);
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if (cf == NULL) {
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PERROR("load_cluster_config");
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return NULL;
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}
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c = cf->cluster;
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return c;
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}
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