mirror of https://gerrit.osmocom.org/libosmocore
stats: Move statsd related code into a separate file
This commit moves the stats specific code parts into stats_statsd.c while keeping the generic parts in stats.c. The code in stats.c no longer contains references to statsd symbols. Note that the VTY code still needs to know about every stats reporter backend. Sponsored-by: On-Waves ehf
This commit is contained in:
Jacob Erlbeck
parent
5fa0dcc275
commit
b6e6bea4ec
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@ -38,8 +38,8 @@ enum osmo_stats_class {
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};
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enum osmo_stats_reporter_type {
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OSMO_STATS_REPORTER_STATSD,
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OSMO_STATS_REPORTER_LOG,
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OSMO_STATS_REPORTER_STATSD,
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};
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struct osmo_stats_reporter {
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@ -96,9 +96,6 @@ struct osmo_stats_reporter *osmo_stats_reporter_alloc(enum osmo_stats_reporter_t
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const char *name);
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void osmo_stats_reporter_free(struct osmo_stats_reporter *srep);
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struct osmo_stats_reporter *osmo_stats_reporter_create_statsd(const char *name);
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struct osmo_stats_reporter *osmo_stats_reporter_create_log(const char *name);
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struct osmo_stats_reporter *osmo_stats_reporter_find(enum osmo_stats_reporter_type type,
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const char *name);
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@ -111,3 +108,14 @@ int osmo_stats_reporter_set_max_class(struct osmo_stats_reporter *srep,
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int osmo_stats_reporter_set_name_prefix(struct osmo_stats_reporter *srep, const char *prefix);
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int osmo_stats_reporter_enable(struct osmo_stats_reporter *srep);
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int osmo_stats_reporter_disable(struct osmo_stats_reporter *srep);
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/* reporter creation */
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struct osmo_stats_reporter *osmo_stats_reporter_create_log(const char *name);
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struct osmo_stats_reporter *osmo_stats_reporter_create_statsd(const char *name);
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/* helper functions for reporter implementations */
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int osmo_stats_reporter_send(struct osmo_stats_reporter *srep, const char *data,
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int data_len);
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int osmo_stats_reporter_send_buffer(struct osmo_stats_reporter *srep);
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int osmo_stats_reporter_udp_open(struct osmo_stats_reporter *srep);
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int osmo_stats_reporter_udp_close(struct osmo_stats_reporter *srep);
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@ -15,7 +15,7 @@ libosmocore_la_SOURCES = timer.c select.c signal.c msgb.c bits.c \
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gsmtap_util.c crc16.c panic.c backtrace.c \
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conv.c application.c rbtree.c strrb.c \
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loggingrb.c crc8gen.c crc16gen.c crc32gen.c crc64gen.c \
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macaddr.c stat_item.c stats.c
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macaddr.c stat_item.c stats.c stats_statsd.c
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BUILT_SOURCES = crc8gen.c crc16gen.c crc32gen.c crc64gen.c
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148
src/stats.c
148
src/stats.c
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@ -42,7 +42,7 @@
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#include <osmocom/core/msgb.h>
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#define STATS_DEFAULT_INTERVAL 5 /* secs */
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#define STATS_DEFAULT_STATSD_BUFLEN 256
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#define STATS_DEFAULT_BUFLEN 256
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static LLIST_HEAD(osmo_stats_reporter_list);
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static void *osmo_stats_ctx = NULL;
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@ -56,16 +56,6 @@ struct osmo_stats_config *osmo_stats_config = &s_stats_config;
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static struct osmo_timer_list osmo_stats_timer;
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static int osmo_stats_reporter_statsd_open(struct osmo_stats_reporter *srep);
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static int osmo_stats_reporter_statsd_close(struct osmo_stats_reporter *srep);
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static int osmo_stats_reporter_statsd_send_counter(struct osmo_stats_reporter *srep,
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const struct rate_ctr_group *ctrg,
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const struct rate_ctr_desc *desc,
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int64_t value, int64_t delta);
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static int osmo_stats_reporter_statsd_send_item(struct osmo_stats_reporter *srep,
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const struct osmo_stat_item_group *statg,
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const struct osmo_stat_item_desc *desc, int value);
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static int osmo_stats_reporter_log_send_counter(struct osmo_stats_reporter *srep,
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const struct rate_ctr_group *ctrg,
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const struct rate_ctr_desc *desc,
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@ -74,10 +64,6 @@ static int osmo_stats_reporter_log_send_item(struct osmo_stats_reporter *srep,
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const struct osmo_stat_item_group *statg,
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const struct osmo_stat_item_desc *desc, int value);
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static int osmo_stats_reporter_send(struct osmo_stats_reporter *srep, const char *data,
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int data_len);
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static int osmo_stats_reporter_send_buffer(struct osmo_stats_reporter *srep);
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static int update_srep_config(struct osmo_stats_reporter *srep)
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{
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int rc = 0;
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@ -300,7 +286,7 @@ int osmo_stats_reporter_disable(struct osmo_stats_reporter *srep)
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return update_srep_config(srep);
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}
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static int osmo_stats_reporter_send(struct osmo_stats_reporter *srep, const char *data,
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int osmo_stats_reporter_send(struct osmo_stats_reporter *srep, const char *data,
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int data_len)
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{
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int rc;
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@ -314,7 +300,7 @@ static int osmo_stats_reporter_send(struct osmo_stats_reporter *srep, const char
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return rc;
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}
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static int osmo_stats_reporter_send_buffer(struct osmo_stats_reporter *srep)
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int osmo_stats_reporter_send_buffer(struct osmo_stats_reporter *srep)
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{
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int rc;
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@ -394,31 +380,16 @@ static int osmo_stats_reporter_log_send_item(struct osmo_stats_reporter *srep,
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desc->name, value, desc->unit);
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}
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/*** statsd reporter ***/
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/*** i/o helper functions ***/
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struct osmo_stats_reporter *osmo_stats_reporter_create_statsd(const char *name)
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{
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struct osmo_stats_reporter *srep;
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srep = osmo_stats_reporter_alloc(OSMO_STATS_REPORTER_STATSD, name);
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srep->have_net_config = 1;
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srep->open = osmo_stats_reporter_statsd_open;
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srep->close = osmo_stats_reporter_statsd_close;
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srep->send_counter = osmo_stats_reporter_statsd_send_counter;
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srep->send_item = osmo_stats_reporter_statsd_send_item;
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return srep;
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}
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static int osmo_stats_reporter_statsd_open(struct osmo_stats_reporter *srep)
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int osmo_stats_reporter_udp_open(struct osmo_stats_reporter *srep)
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{
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int sock;
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int rc;
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int buffer_size = STATS_DEFAULT_STATSD_BUFLEN;
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int buffer_size = STATS_DEFAULT_BUFLEN;
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if (srep->fd != -1)
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osmo_stats_reporter_statsd_close(srep);
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if (srep->fd != -1 && srep->close)
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srep->close(srep);
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sock = socket(AF_INET, SOCK_DGRAM, 0);
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if (sock == -1)
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@ -448,7 +419,7 @@ failed:
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return rc;
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}
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static int osmo_stats_reporter_statsd_close(struct osmo_stats_reporter *srep)
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int osmo_stats_reporter_udp_close(struct osmo_stats_reporter *srep)
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{
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int rc;
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if (srep->fd == -1)
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@ -463,107 +434,6 @@ static int osmo_stats_reporter_statsd_close(struct osmo_stats_reporter *srep)
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return rc == -1 ? -errno : 0;
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}
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static int osmo_stats_reporter_statsd_send(struct osmo_stats_reporter *srep,
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const char *name1, unsigned int index1, const char *name2, int value,
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const char *unit)
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{
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char *buf;
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int buf_size;
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int nchars, rc = 0;
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char *fmt = NULL;
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char *prefix = srep->name_prefix;
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int old_len = msgb_length(srep->buffer);
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if (prefix) {
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if (name1) {
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if (index1 != 0)
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fmt = "%1$s.%2$s.%6$u.%3$s:%4$d|%5$s";
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else
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fmt = "%1$s.%2$s.%3$s:%4$d|%5$s";
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} else {
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fmt = "%1$s.%2$0.0s%3$s:%4$d|%5$s";
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}
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} else {
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prefix = "";
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if (name1) {
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if (index1 != 0)
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fmt = "%1$s%2$s.%6$u.%3$s:%4$d|%5$s";
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else
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fmt = "%1$s%2$s.%3$s:%4$d|%5$s";
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} else {
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fmt = "%1$s%2$0.0s%3$s:%4$d|%5$s";
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}
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}
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if (srep->agg_enabled) {
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if (msgb_length(srep->buffer) > 0 &&
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msgb_tailroom(srep->buffer) > 0)
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{
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msgb_put_u8(srep->buffer, '\n');
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}
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}
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buf = (char *)msgb_put(srep->buffer, 0);
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buf_size = msgb_tailroom(srep->buffer);
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nchars = snprintf(buf, buf_size, fmt,
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prefix, name1, name2,
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value, unit, index1);
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if (nchars >= buf_size) {
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/* Truncated */
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/* Restore original buffer (without trailing LF) */
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msgb_trim(srep->buffer, old_len);
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/* Send it */
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rc = osmo_stats_reporter_send_buffer(srep);
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/* Try again */
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buf = (char *)msgb_put(srep->buffer, 0);
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buf_size = msgb_tailroom(srep->buffer);
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nchars = snprintf(buf, buf_size, fmt,
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prefix, name1, name2,
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value, unit, index1);
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if (nchars >= buf_size)
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return -EMSGSIZE;
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}
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if (nchars > 0)
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msgb_trim(srep->buffer, msgb_length(srep->buffer) + nchars);
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if (!srep->agg_enabled)
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rc = osmo_stats_reporter_send_buffer(srep);
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return rc;
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}
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static int osmo_stats_reporter_statsd_send_counter(struct osmo_stats_reporter *srep,
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const struct rate_ctr_group *ctrg,
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const struct rate_ctr_desc *desc,
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int64_t value, int64_t delta)
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{
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if (ctrg)
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return osmo_stats_reporter_statsd_send(srep,
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ctrg->desc->group_name_prefix,
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ctrg->idx,
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desc->name, delta, "c");
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else
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return osmo_stats_reporter_statsd_send(srep,
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NULL, 0,
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desc->name, delta, "c");
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}
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static int osmo_stats_reporter_statsd_send_item(struct osmo_stats_reporter *srep,
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const struct osmo_stat_item_group *statg,
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const struct osmo_stat_item_desc *desc, int value)
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{
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return osmo_stats_reporter_statsd_send(srep,
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statg->desc->group_name_prefix,
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statg->idx,
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desc->name, value, desc->unit);
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}
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/*** generic rate counter support ***/
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static int osmo_stats_reporter_send_counter(struct osmo_stats_reporter *srep,
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@ -0,0 +1,158 @@
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/*
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* (C) 2015 by Sysmocom s.f.m.c. GmbH
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*
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* Author: Jacob Erlbeck <jerlbeck@sysmocom.de>
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*
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* All Rights Reserved
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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*/
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#include <osmocom/core/stats.h>
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#include <string.h>
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#include <stdint.h>
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#include <errno.h>
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#include <osmocom/core/utils.h>
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#include <osmocom/core/logging.h>
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#include <osmocom/core/rate_ctr.h>
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#include <osmocom/core/stat_item.h>
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#include <osmocom/core/msgb.h>
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static int osmo_stats_reporter_statsd_send_counter(struct osmo_stats_reporter *srep,
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const struct rate_ctr_group *ctrg,
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const struct rate_ctr_desc *desc,
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int64_t value, int64_t delta);
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static int osmo_stats_reporter_statsd_send_item(struct osmo_stats_reporter *srep,
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const struct osmo_stat_item_group *statg,
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const struct osmo_stat_item_desc *desc, int value);
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struct osmo_stats_reporter *osmo_stats_reporter_create_statsd(const char *name)
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{
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struct osmo_stats_reporter *srep;
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srep = osmo_stats_reporter_alloc(OSMO_STATS_REPORTER_STATSD, name);
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srep->have_net_config = 1;
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srep->open = osmo_stats_reporter_udp_open;
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srep->close = osmo_stats_reporter_udp_close;
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srep->send_counter = osmo_stats_reporter_statsd_send_counter;
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srep->send_item = osmo_stats_reporter_statsd_send_item;
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return srep;
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}
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static int osmo_stats_reporter_statsd_send(struct osmo_stats_reporter *srep,
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const char *name1, unsigned int index1, const char *name2, int value,
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const char *unit)
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{
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char *buf;
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int buf_size;
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int nchars, rc = 0;
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char *fmt = NULL;
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char *prefix = srep->name_prefix;
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int old_len = msgb_length(srep->buffer);
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if (prefix) {
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if (name1) {
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if (index1 != 0)
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fmt = "%1$s.%2$s.%6$u.%3$s:%4$d|%5$s";
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else
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fmt = "%1$s.%2$s.%3$s:%4$d|%5$s";
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} else {
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fmt = "%1$s.%2$0.0s%3$s:%4$d|%5$s";
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}
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} else {
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prefix = "";
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if (name1) {
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if (index1 != 0)
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fmt = "%1$s%2$s.%6$u.%3$s:%4$d|%5$s";
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else
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fmt = "%1$s%2$s.%3$s:%4$d|%5$s";
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} else {
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fmt = "%1$s%2$0.0s%3$s:%4$d|%5$s";
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}
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}
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if (srep->agg_enabled) {
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if (msgb_length(srep->buffer) > 0 &&
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msgb_tailroom(srep->buffer) > 0)
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{
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msgb_put_u8(srep->buffer, '\n');
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}
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}
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buf = (char *)msgb_put(srep->buffer, 0);
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buf_size = msgb_tailroom(srep->buffer);
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nchars = snprintf(buf, buf_size, fmt,
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prefix, name1, name2,
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value, unit, index1);
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if (nchars >= buf_size) {
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/* Truncated */
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/* Restore original buffer (without trailing LF) */
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msgb_trim(srep->buffer, old_len);
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/* Send it */
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rc = osmo_stats_reporter_send_buffer(srep);
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/* Try again */
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buf = (char *)msgb_put(srep->buffer, 0);
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buf_size = msgb_tailroom(srep->buffer);
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nchars = snprintf(buf, buf_size, fmt,
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prefix, name1, name2,
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value, unit, index1);
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if (nchars >= buf_size)
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return -EMSGSIZE;
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}
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if (nchars > 0)
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msgb_trim(srep->buffer, msgb_length(srep->buffer) + nchars);
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if (!srep->agg_enabled)
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rc = osmo_stats_reporter_send_buffer(srep);
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return rc;
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}
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static int osmo_stats_reporter_statsd_send_counter(struct osmo_stats_reporter *srep,
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const struct rate_ctr_group *ctrg,
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const struct rate_ctr_desc *desc,
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int64_t value, int64_t delta)
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{
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if (ctrg)
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return osmo_stats_reporter_statsd_send(srep,
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ctrg->desc->group_name_prefix,
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ctrg->idx,
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desc->name, delta, "c");
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else
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return osmo_stats_reporter_statsd_send(srep,
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NULL, 0,
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desc->name, delta, "c");
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}
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static int osmo_stats_reporter_statsd_send_item(struct osmo_stats_reporter *srep,
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const struct osmo_stat_item_group *statg,
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const struct osmo_stat_item_desc *desc, int value)
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{
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return osmo_stats_reporter_statsd_send(srep,
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statg->desc->group_name_prefix,
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statg->idx,
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desc->name, value, desc->unit);
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}
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