static apr_status_t close_zookeeper_shmlog(void *data)
{
if(log_pool != NULL) {
zoo_set_log_stream(NULL);
log_pool = NULL;
log_stream = NULL;
}
return APR_SUCCESS;
}
static apr_status_t close_zookeeper_logfile(void *data)
{
if(log_pool != NULL) {
log_pool = NULL;
log_stream = NULL;
zoo_set_log_stream(NULL);
apr_file_close((apr_file_t*)data);
}
return APR_SUCCESS;
}
zktool_set_logfile(const char *filename, apr_pool_t *p)
{
apr_status_t st;
apr_file_t *f = NULL;
apr_pool_t *pool;
FILE *fp;
apr_os_file_t fd;
if(filename == NULL) {
if(log_pool != NULL)
apr_pool_destroy(log_pool);
else
zoo_set_log_stream(NULL);
return APR_SUCCESS;
}
if(p == NULL)
pool = zeke_root_subpool_create();
else
assert(apr_pool_create(&pool,p) == APR_SUCCESS);
st = apr_file_open(&f, filename, ZOO_LOG_FLAGS, APR_OS_DEFAULT, pool);
if(st == APR_SUCCESS) {
apr_file_inherit_unset(f);
if((st = apr_os_file_get(&fd,f)) == APR_SUCCESS) {
fp = fdopen(fd,"a");
if(fp == NULL) {
st = apr_get_os_error();
} else {
zoo_set_log_stream(fp);
log_pool = pool;
apr_pool_cleanup_register(pool,f,close_zookeeper_logfile,close_zookeeper_logfile);
}
}
}
if(st != APR_SUCCESS && f != NULL)
apr_file_close(f);
return st;
}
int ZKAgent::Init(ArdbServer* serv)
{
m_server = serv;
ArdbServerConfig& cfg = serv->m_cfg;
if (cfg.zookeeper_servers.empty())
{
WARN_LOG("No zookeeper servers specified, zookeeper agent would not start.");
return 0;
}
ZooLogLevel z_log_loevel;
if (DEBUG_ENABLED())
{
z_log_loevel = ZOO_LOG_LEVEL_DEBUG;
}
else if (INFO_ENABLED())
{
z_log_loevel = ZOO_LOG_LEVEL_INFO;
}
else if (WARN_ENABLED())
{
z_log_loevel = ZOO_LOG_LEVEL_WARN;
}
else if (ERROR_ENABLED())
{
z_log_loevel = ZOO_LOG_LEVEL_ERROR;
}
else
{
z_log_loevel = ZOO_LOG_LEVEL_DEBUG;
}
zoo_set_debug_level(z_log_loevel);
zoo_set_log_stream(ArdbLogger::GetLogStream());
std::string zkidfile = cfg.home + "/.zkcid";
FILE* idfile = fopen(zkidfile.c_str(), "r");
if (idfile != NULL)
{
if (fread(&m_zk_clientid, sizeof(m_zk_clientid), 1, idfile) != 1)
{
memset(&m_zk_clientid, 0, sizeof(m_zk_clientid));
}
fclose(idfile);
}
Reconnect();
return 0;
}
zk::zk(const string& hosts, int timeout, const string& logfile)
: zh_(NULL),
hosts_(hosts),
logfilep_(NULL) {
if (logfile != "") {
logfilep_ = fopen(logfile.c_str(), "a+");
if (!logfilep_) {
throw JUBATUS_EXCEPTION(
jubatus::exception::runtime_error("cannot open zk logfile")
<< jubatus::exception::error_file_name(logfile.c_str())
<< jubatus::exception::error_errno(errno)
<< jubatus::exception::error_api_func("fopen"));
}
zoo_set_log_stream(logfilep_);
}
zh_ = zookeeper_init(hosts.c_str(), NULL, timeout * 1000, 0, NULL, 0);
if (!zh_) {
perror("");
throw JUBATUS_EXCEPTION(
jubatus::exception::runtime_error("failed to initialize zk: " + hosts)
<< jubatus::exception::error_api_func("zookeeper_init")
<< jubatus::exception::error_errno(errno));
}
// sleep the state got not ZOO_CONNECTING_STATE
while ((state_ = zoo_state(zh_)) == ZOO_CONNECTING_STATE) {
usleep(100);
}
if (is_unrecoverable(zh_) == ZINVALIDSTATE) {
throw JUBATUS_EXCEPTION(
jubatus::exception::runtime_error("cannot connect zk:" + hosts)
<< jubatus::exception::error_api_func("is_unrecoverable")
<< jubatus::exception::error_message(zerror(errno)));
}
zoo_set_context(zh_, this);
zoo_set_watcher(zh_, mywatcher);
}
zktool_enable_shmlog(apr_pool_t *p)
{
apr_status_t st = APR_SUCCESS;
zeke_shmlog_header_t *shm;
apr_pool_t *pool = NULL;
FILE *fp = NULL;
if(p == NULL)
pool = zeke_root_subpool_create();
else
assert(apr_pool_create(&pool,p) == APR_SUCCESS);
fp = zeke_shmlog_stream_open(&shm,pool);
if(fp == NULL) {
st = apr_get_os_error();
apr_pool_destroy(pool);
pool = NULL;
} else {
assert(shm != NULL);
st = zeke_shmlog_lock(shm);
if(st == APR_SUCCESS) {
if(log_pool != NULL)
apr_pool_destroy(log_pool);
zoo_set_log_stream(fp);
log_pool = pool;
apr_pool_cleanup_register(pool,fp,close_zookeeper_shmlog,
close_zookeeper_shmlog);
}
}
if(st != APR_SUCCESS) {
if(fp != NULL)
fclose(fp);
if(pool != NULL)
apr_pool_destroy(pool);
}
return st;
}
void check_conf()
{
int res;
char *err = "";
char buf[ZR_MAX_HOSTNAME_LEN+1];
// ckeck mandatory options
if(server.svc_count == 0)
{
err = "No any valid service configure, you must set service at least one.";
goto checkerr;
}
/*
// below block should be in last of mandatory
if(server.req_log_sock == NULL)
{
server.req_log = 0;
log_info("Request log domain socket disable.");
}else
{
// Validate domain socket
sds dname = sdsdup(server.req_log_sock);
dname = dirname(dname);
if(access(dname, F_OK) < 0)
{
err = sdscatprintf(sdsempty(), "Permission denied for req-log-sock: %s, %s", dname, strerror(errno));
goto checkerr;
}
struct stat st;
res = stat(server.req_log_sock, &st);
if(res == 0)
{
log_debug("req-log-sock:%s", server.req_log_sock);
err = sdscatprintf(sdsempty(), "Request log socket already in use: %s", server.req_log_sock);
goto checkerr;
}
sdsfree(dname);
}
// end ckeck mandatory options
*/
log_set_level(server.log_level);
z_set_log_level(server.log_level);
zoo_set_log_stream(log_get_out());
// check optional options
if(server.name == NULL)
{
res = gethostname(buf, ZR_MAX_HOSTNAME_LEN);
if(res < 0)
{
err = sdscatprintf(sdsempty(), "Cann't get hostname %s", strerror(errno));
goto checkerr;
}
server.name = sdscatprintf(sdsnew(buf), "-%d", getpid());
log_info("Set name by default: %s", server.name);
}
if(server.bind_addr_count == 0)
{
server.bind_addr_count = 1;
server.bind_arr[0].addr_str = sdsnew("INADDR_ANY");
server.bind_arr[0].addr.sin_family = AF_INET;
server.bind_arr[0].addr.sin_addr.s_addr = htonl(INADDR_ANY);
log_info("Set bind by default: %s", "INADDR_ANY");
}
if(server.port == 0)
{
server.port = ZR_PORT;
log_info("Set port by default: %d", server.port);
}
if(server.client_max == 0)
{
server.client_max = ZR_CONN_MAX;
log_info("Set connection-max by default: %d", server.client_max);
}
if(server.tcp_backlog == 0)
{
server.tcp_backlog = 500;
log_info("Set tcp-backlog by default: %d", server.tcp_backlog);
}
if(server.z_health_conn == NULL)
{
server.z_health = 0;
}else
{
server.z_health = 1;
server.z_health_node = sdscatprintf(sdsempty(), "%s/%s", server.z_health_conn->node, server.name);
}
if(server.zoo_timeout == 0)
{
server.zoo_timeout = ZR_ZOO_TIMEOUT;
}
if(server.req_log_uds == NULL)
{
server.req_log_uds = sdsnew(ZR_DEFAULT_REQ_LOG_UDS);
}
return;
checkerr:
log_eerr("CONFIG FILE CHECK ERROR.");
log_eerr("%s", err);
exit(1);
}
void zu_set_log_stream(FILE *fd)
{
zoo_set_log_stream(fd);
}
static VALUE method_set_log_stream(VALUE self, VALUE stream) {
// convert stream to FILE*
FILE *fp_stream = (FILE*)stream;
zoo_set_log_stream(fp_stream);
return Qnil;
}
