noit_log_stream_t
noit_log_stream_new_on_fd(const char *name, int fd, noit_hash_table *config) {
char *lsname;
noit_log_stream_t ls;
asynch_log_ctx *actx;
ls = calloc(1, sizeof(*ls));
actx = calloc(1, sizeof(*actx));
actx->name = "posix";
actx->write = posix_logio_asynch_write;
actx->userdata = (void *)(vpsized_int)fd;
ls->name = strdup(name);
ls->ops = &posix_logio_ops;
ls->op_ctx = actx;
ls->flags |= NOIT_LOG_STREAM_ENABLED;
ls->config = config;
ls->lock = calloc(1, sizeof(*ls->lock));
noit_log_init_rwlock(ls);
/* This double strdup of ls->name is needed, look for the next one
* for an explanation.
*/
lsname = strdup(ls->name);
if(noit_hash_store(&noit_loggers,
lsname, strlen(ls->name), ls) == 0) {
free(lsname);
free(ls->name);
free(ls);
free(actx);
return NULL;
}
return ls;
}
noit_log_stream_t
noit_log_stream_new(const char *name, const char *type, const char *path,
void *ctx, noit_hash_table *config) {
noit_log_stream_t ls, saved;
struct _noit_log_stream tmpbuf;
void *vops = NULL;
ls = calloc(1, sizeof(*ls));
ls->name = strdup(name);
ls->path = path ? strdup(path) : NULL;
ls->type = type ? strdup(type) : NULL;
ls->enabled = 1;
ls->config = config;
if(!type)
ls->ops = NULL;
else if(noit_hash_retrieve(&noit_logops, type, strlen(type),
&vops))
ls->ops = vops;
else
goto freebail;
if(ls->ops && ls->ops->openop(ls)) goto freebail;
saved = noit_log_stream_find(name);
if(saved) {
pthread_rwlock_t *lock = saved->lock;
memcpy(&tmpbuf, saved, sizeof(*saved));
memcpy(saved, ls, sizeof(*saved));
memcpy(ls, &tmpbuf, sizeof(*saved));
saved->lock = lock;
ls->lock = NULL;
noit_log_stream_free(ls);
ls = saved;
}
else {
/* We strdup the name *again*. We'going to kansas city shuffle the
* ls later (see memcpy above). However, if don't strdup, then the
* noit_log_stream_free up there will sweep our key right our from
* under us.
*/
if(noit_hash_store(&noit_loggers,
strdup(ls->name), strlen(ls->name), ls) == 0)
goto freebail;
ls->lock = calloc(1, sizeof(*ls->lock));
noit_log_init_rwlock(ls);
}
/* This is for things that don't open on paths */
if(ctx) ls->op_ctx = ctx;
return ls;
freebail:
fprintf(stderr, "Failed to instantiate logger(%s,%s,%s)\n",
name, type ? type : "[null]", path ? path : "[null]");
free(ls->name);
if(ls->path) free(ls->path);
if(ls->type) free(ls->type);
free(ls);
return NULL;
}
noit_log_stream_t
noit_log_stream_new_on_fd(const char *name, int fd, noit_hash_table *config) {
char *lsname;
noit_log_stream_t ls;
ls = calloc(1, sizeof(*ls));
ls->name = strdup(name);
ls->ops = &posix_logio_ops;
ls->op_ctx = (void *)(vpsized_int)fd;
ls->enabled = 1;
ls->config = config;
ls->lock = calloc(1, sizeof(*ls->lock));
noit_log_init_rwlock(ls);
/* This double strdup of ls->name is needed, look for the next one
* for an explanation.
*/
lsname = strdup(ls->name);
if(noit_hash_store(&noit_loggers,
lsname, strlen(ls->name), ls) == 0) {
free(lsname);
free(ls->name);
free(ls);
return NULL;
}
return ls;
}
