#endif
#ifndef WG_DEFAULT_LOG_SEND_ERRORS
-#define WG_DEFAULT_LOG_SEND_ERRORS 1
+#define WG_DEFAULT_LOG_SEND_ERRORS true
#endif
#ifndef WG_DEFAULT_ESCAPE
char *node;
char *service;
char *protocol;
- _Bool log_send_errors;
+ bool log_send_errors;
char *prefix;
char *postfix;
char escape_char;
/* Force reconnect useful for load balanced environments */
cdtime_t last_reconnect_time;
cdtime_t reconnect_interval;
- _Bool reconnect_interval_reached;
+ bool reconnect_interval_reached;
};
/* wg_force_reconnect_check closes cb->sock_fd when it was open for longer
close(cb->sock_fd);
cb->sock_fd = -1;
cb->last_reconnect_time = now;
- cb->reconnect_interval_reached = 1;
+ cb->reconnect_interval_reached = true;
INFO("write_graphite plugin: Connection closed after %.3f seconds.",
CDTIME_T_TO_DOUBLE(now - cb->last_reconnect_time));
ssize_t status;
if (cb->sock_fd < 0)
- return (-1);
+ return -1;
status = swrite(cb->sock_fd, cb->send_buf, strlen(cb->send_buf));
if (status != 0) {
if (cb->log_send_errors) {
- char errbuf[1024];
ERROR("write_graphite plugin: send to %s:%s (%s) failed with status %zi "
"(%s)",
- cb->node, cb->service, cb->protocol, status,
- sstrerror(errno, errbuf, sizeof(errbuf)));
+ cb->node, cb->service, cb->protocol, status, STRERRNO);
}
close(cb->sock_fd);
cb->sock_fd = -1;
- return (-1);
+ return -1;
}
- return (0);
+ return 0;
}
/* NOTE: You must hold cb->send_lock when calling this function! */
int status;
DEBUG("write_graphite plugin: wg_flush_nolock: timeout = %.3f; "
- "send_buf_fill = %zu;",
+ "send_buf_fill = %" PRIsz ";",
(double)timeout, cb->send_buf_fill);
/* timeout == 0 => flush unconditionally */
now = cdtime();
if ((cb->send_buf_init_time + timeout) > now)
- return (0);
+ return 0;
}
if (cb->send_buf_fill == 0) {
cb->send_buf_init_time = cdtime();
- return (0);
+ return 0;
}
status = wg_send_buffer(cb);
wg_reset_buffer(cb);
- return (status);
+ return status;
}
static int wg_callback_init(struct wg_callback *cb) {
char connerr[1024] = "";
if (cb->sock_fd > 0)
- return (0);
+ return 0;
/* Don't try to reconnect too often. By default, one reconnection attempt
* is made per second. */
now = cdtime();
if ((now - cb->last_connect_time) < WG_MIN_RECONNECT_INTERVAL)
- return (EAGAIN);
+ return EAGAIN;
cb->last_connect_time = now;
struct addrinfo ai_hints = {.ai_family = AF_UNSPEC,
if (status != 0) {
ERROR("write_graphite plugin: getaddrinfo (%s, %s, %s) failed: %s",
cb->node, cb->service, cb->protocol, gai_strerror(status));
- return (-1);
+ return -1;
}
assert(ai_list != NULL);
cb->sock_fd =
socket(ai_ptr->ai_family, ai_ptr->ai_socktype, ai_ptr->ai_protocol);
if (cb->sock_fd < 0) {
- char errbuf[1024];
- snprintf(connerr, sizeof(connerr), "failed to open socket: %s",
- sstrerror(errno, errbuf, sizeof(errbuf)));
+ snprintf(connerr, sizeof(connerr), "failed to open socket: %s", STRERRNO);
continue;
}
status = connect(cb->sock_fd, ai_ptr->ai_addr, ai_ptr->ai_addrlen);
if (status != 0) {
- char errbuf[1024];
- snprintf(connerr, sizeof(connerr), "failed to connect to remote "
- "host: %s",
- sstrerror(errno, errbuf, sizeof(errbuf)));
+ snprintf(connerr, sizeof(connerr), "failed to connect to remote host: %s",
+ STRERRNO);
close(cb->sock_fd);
cb->sock_fd = -1;
continue;
freeaddrinfo(ai_list);
if (cb->sock_fd < 0) {
- if (connerr[0] == '\0')
- /* this should not happen but try to get a message anyway */
- sstrerror(errno, connerr, sizeof(connerr));
c_complain(LOG_ERR, &cb->init_complaint,
"write_graphite plugin: Connecting to %s:%s via %s failed. "
"The last error was: %s",
cb->node, cb->service, cb->protocol, connerr);
- return (-1);
+ return -1;
} else {
c_release(LOG_INFO, &cb->init_complaint,
"write_graphite plugin: Successfully connected to %s:%s via %s.",
if (!cb->reconnect_interval_reached || (cb->send_buf_free == 0))
wg_reset_buffer(cb);
else
- cb->reconnect_interval_reached = 0;
+ cb->reconnect_interval_reached = false;
- return (0);
+ return 0;
}
static void wg_callback_free(void *data) {
sfree(cb->prefix);
sfree(cb->postfix);
+ pthread_mutex_unlock(&cb->send_lock);
pthread_mutex_destroy(&cb->send_lock);
sfree(cb);
int status;
if (user_data == NULL)
- return (-EINVAL);
+ return -EINVAL;
cb = user_data->data;
if (status != 0) {
/* An error message has already been printed. */
pthread_mutex_unlock(&cb->send_lock);
- return (-1);
+ return -1;
}
}
status = wg_flush_nolock(timeout, cb);
pthread_mutex_unlock(&cb->send_lock);
- return (status);
+ return status;
}
static int wg_send_message(char const *message, struct wg_callback *cb) {
if (status != 0) {
/* An error message has already been printed. */
pthread_mutex_unlock(&cb->send_lock);
- return (-1);
+ return -1;
}
}
status = wg_flush_nolock(/* timeout = */ 0, cb);
if (status != 0) {
pthread_mutex_unlock(&cb->send_lock);
- return (status);
+ return status;
}
}
cb->send_buf_fill += message_len;
cb->send_buf_free -= message_len;
- DEBUG("write_graphite plugin: [%s]:%s (%s) buf %zu/%zu (%.1f %%) \"%s\"",
+ DEBUG("write_graphite plugin: [%s]:%s (%s) buf %" PRIsz "/%" PRIsz
+ " (%.1f %%) \"%s\"",
cb->node, cb->service, cb->protocol, cb->send_buf_fill,
sizeof(cb->send_buf),
100.0 * ((double)cb->send_buf_fill) / ((double)sizeof(cb->send_buf)),
pthread_mutex_unlock(&cb->send_lock);
- return (0);
+ return 0;
}
static int wg_write_messages(const data_set_t *ds, const value_list_t *vl,
status = format_graphite(buffer, sizeof(buffer), ds, vl, cb->prefix,
cb->postfix, cb->escape_char, cb->format_flags);
if (status != 0) /* error message has been printed already. */
- return (status);
+ return status;
/* Send the message to graphite */
status = wg_send_message(buffer, cb);
if (status != 0) /* error message has been printed already. */
- return (status);
+ return status;
- return (0);
+ return 0;
} /* int wg_write_messages */
static int wg_write(const data_set_t *ds, const value_list_t *vl,
int status;
if (user_data == NULL)
- return (EINVAL);
+ return EINVAL;
cb = user_data->data;
status = wg_write_messages(ds, vl, cb);
- return (status);
+ return status;
}
static int config_set_char(char *dest, oconfig_item_t *ci) {
status = cf_util_get_string_buffer(ci, buffer, sizeof(buffer));
if (status != 0)
- return (status);
+ return status;
if (buffer[0] == 0) {
ERROR("write_graphite plugin: Cannot use an empty string for the "
"\"EscapeCharacter\" option.");
- return (-1);
+ return -1;
}
if (buffer[1] != 0) {
*dest = buffer[0];
- return (0);
+ return 0;
}
static int wg_config_node(oconfig_item_t *ci) {
cb = calloc(1, sizeof(*cb));
if (cb == NULL) {
ERROR("write_graphite plugin: calloc failed.");
- return (-1);
+ return -1;
}
cb->sock_fd = -1;
cb->name = NULL;
cb->protocol = strdup(WG_DEFAULT_PROTOCOL);
cb->last_reconnect_time = cdtime();
cb->reconnect_interval = 0;
- cb->reconnect_interval_reached = 0;
+ cb->reconnect_interval_reached = false;
cb->log_send_errors = WG_DEFAULT_LOG_SEND_ERRORS;
cb->prefix = NULL;
cb->postfix = NULL;
status = cf_util_get_string(ci, &cb->name);
if (status != 0) {
wg_callback_free(cb);
- return (status);
+ return status;
}
}
if (status != 0) {
wg_callback_free(cb);
- return (status);
+ return status;
}
/* FIXME: Legacy configuration syntax. */
if (cb->name == NULL)
- ssnprintf(callback_name, sizeof(callback_name), "write_graphite/%s/%s/%s",
- cb->node, cb->service, cb->protocol);
+ snprintf(callback_name, sizeof(callback_name), "write_graphite/%s/%s/%s",
+ cb->node, cb->service, cb->protocol);
else
- ssnprintf(callback_name, sizeof(callback_name), "write_graphite/%s",
- cb->name);
+ snprintf(callback_name, sizeof(callback_name), "write_graphite/%s",
+ cb->name);
plugin_register_write(callback_name, wg_write,
&(user_data_t){
plugin_register_flush(callback_name, wg_flush, &(user_data_t){.data = cb});
- return (0);
+ return 0;
}
static int wg_config(oconfig_item_t *ci) {
}
}
- return (0);
+ return 0;
}
void module_register(void) {