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authorLennart Weller <lhw@ring0.de>2017-09-17 22:17:45 +0000
committerLennart Weller <lhw@ring0.de>2017-09-17 22:17:45 +0000
commit7ee3962eaca4214264964ae32c86de457a90e382 (patch)
tree5a784485351593ac6d74fa9fd9bbd8fe7c9c3fe0 /src/rrdpush.c
parentmaintscript eludes me (diff)
parentNew upstream version 1.8.0+dfsg (diff)
downloadnetdata-7ee3962eaca4214264964ae32c86de457a90e382.tar.xz
netdata-7ee3962eaca4214264964ae32c86de457a90e382.zip
Updated version 1.8.0+dfsg from 'upstream/1.8.0+dfsg'
with Debian dir 412de09d9bca38fe00146ef090f9e53f76493882
Diffstat (limited to 'src/rrdpush.c')
-rw-r--r--src/rrdpush.c160
1 files changed, 99 insertions, 61 deletions
diff --git a/src/rrdpush.c b/src/rrdpush.c
index 6def90fe5..c1d052fd8 100644
--- a/src/rrdpush.c
+++ b/src/rrdpush.c
@@ -113,12 +113,12 @@ static inline void send_chart_definition(RRDSET *st) {
// sends the current chart dimensions
static inline void send_chart_metrics(RRDSET *st) {
- buffer_sprintf(st->rrdhost->rrdpush_buffer, "BEGIN %s %llu\n", st->id, (st->upstream_resync_time > st->last_collected_time.tv_sec)?st->usec_since_last_update:0);
+ buffer_sprintf(st->rrdhost->rrdpush_buffer, "BEGIN \"%s\" %llu\n", st->id, (st->upstream_resync_time > st->last_collected_time.tv_sec)?st->usec_since_last_update:0);
RRDDIM *rd;
rrddim_foreach_read(rd, st) {
if(rd->updated && rd->exposed)
- buffer_sprintf(st->rrdhost->rrdpush_buffer, "SET %s = " COLLECTED_NUMBER_FORMAT "\n"
+ buffer_sprintf(st->rrdhost->rrdpush_buffer, "SET \"%s\" = " COLLECTED_NUMBER_FORMAT "\n"
, rd->id
, rd->collected_value
);
@@ -380,7 +380,7 @@ void *rrdpush_sender_thread(void *ptr) {
// allow appending data into rrdpush_buffer
host->rrdpush_connected = 1;
- debug(D_STREAM, "Connected...");
+ debug(D_STREAM, "STREAM: Connected on fd %d...", host->rrdpush_socket);
}
ifd->fd = host->rrdpush_pipe[PIPE_READ];
@@ -389,13 +389,13 @@ void *rrdpush_sender_thread(void *ptr) {
ofd->fd = host->rrdpush_socket;
ofd->revents = 0;
- if(begin < buffer_strlen(host->rrdpush_buffer)) {
- debug(D_STREAM, "STREAM: Requesting data output on streaming socket...");
+ if(ofd->fd != -1 && begin < buffer_strlen(host->rrdpush_buffer)) {
+ debug(D_STREAM, "STREAM: Requesting data output on streaming socket %d...", ofd->fd);
ofd->events = POLLOUT;
fdmax = 2;
}
else {
- debug(D_STREAM, "STREAM: Not requesting data output on streaming socket (nothing to send now)...");
+ debug(D_STREAM, "STREAM: Not requesting data output on streaming socket %d (nothing to send now)...", ofd->fd);
ofd->events = 0;
fdmax = 1;
}
@@ -419,7 +419,7 @@ void *rrdpush_sender_thread(void *ptr) {
break;
}
else if(likely(retval)) {
- if (ifd->revents & POLLIN) {
+ if (ifd->revents & POLLIN || ifd->revents & POLLPRI) {
debug(D_STREAM, "STREAM: Data added to send buffer (current buffer length %zu bytes)...", buffer_strlen(host->rrdpush_buffer));
char buffer[1000 + 1];
@@ -427,67 +427,98 @@ void *rrdpush_sender_thread(void *ptr) {
error("STREAM %s [send to %s]: cannot read from internal pipe.", host->hostname, connected_to);
}
- if (ofd->revents & POLLOUT && begin < buffer_strlen(host->rrdpush_buffer)) {
- debug(D_STREAM, "STREAM: Sending data (current buffer length %zu bytes)...", buffer_strlen(host->rrdpush_buffer));
-
- // BEGIN RRDPUSH LOCKED SESSION
-
- // during this session, data collectors
- // will not be able to append data to our buffer
- // but the socket is in non-blocking mode
- // so, we will not block at send()
-
- if (pthread_setcancelstate(PTHREAD_CANCEL_DISABLE, NULL) != 0)
- error("STREAM %s [send]: cannot set pthread cancel state to DISABLE.", host->hostname);
-
- debug(D_STREAM, "STREAM: Getting exclusive lock on host...");
- rrdpush_lock(host);
-
- debug(D_STREAM, "STREAM: Sending data, starting from %zu, size %zu...", begin, buffer_strlen(host->rrdpush_buffer));
- ssize_t ret = send(host->rrdpush_socket, &host->rrdpush_buffer->buffer[begin], buffer_strlen(host->rrdpush_buffer) - begin, MSG_DONTWAIT);
- if (unlikely(ret == -1)) {
- if (errno != EAGAIN && errno != EINTR && errno != EWOULDBLOCK) {
- debug(D_STREAM, "STREAM: Send failed - closing socket...");
- error("STREAM %s [send to %s]: failed to send metrics - closing connection - we have sent %zu bytes on this connection.", host->hostname, connected_to, sent_connection);
- close(host->rrdpush_socket);
- host->rrdpush_socket = -1;
+ if (ofd->revents & POLLOUT) {
+ if (begin < buffer_strlen(host->rrdpush_buffer)) {
+ debug(D_STREAM, "STREAM: Sending data (current buffer length %zu bytes, begin = %zu)...", buffer_strlen(host->rrdpush_buffer), begin);
+
+ // BEGIN RRDPUSH LOCKED SESSION
+
+ // during this session, data collectors
+ // will not be able to append data to our buffer
+ // but the socket is in non-blocking mode
+ // so, we will not block at send()
+
+ if (pthread_setcancelstate(PTHREAD_CANCEL_DISABLE, NULL) != 0)
+ error("STREAM %s [send]: cannot set pthread cancel state to DISABLE.", host->hostname);
+
+ debug(D_STREAM, "STREAM: Getting exclusive lock on host...");
+ rrdpush_lock(host);
+
+ debug(D_STREAM, "STREAM: Sending data, starting from %zu, size %zu...", begin, buffer_strlen(host->rrdpush_buffer));
+ ssize_t ret = send(host->rrdpush_socket, &host->rrdpush_buffer->buffer[begin], buffer_strlen(host->rrdpush_buffer) - begin, MSG_DONTWAIT);
+ if (unlikely(ret == -1)) {
+ if (errno != EAGAIN && errno != EINTR && errno != EWOULDBLOCK) {
+ debug(D_STREAM, "STREAM: Send failed - closing socket...");
+ error("STREAM %s [send to %s]: failed to send metrics - closing connection - we have sent %zu bytes on this connection.", host->hostname, connected_to, sent_connection);
+ close(host->rrdpush_socket);
+ host->rrdpush_socket = -1;
+ }
+ else {
+ debug(D_STREAM, "STREAM: Send failed - will retry...");
+ }
+ }
+ else if (likely(ret > 0)) {
+ // DEBUG - dump the scring to see it
+ //char c = host->rrdpush_buffer->buffer[begin + ret];
+ //host->rrdpush_buffer->buffer[begin + ret] = '\0';
+ //debug(D_STREAM, "STREAM: sent from %zu to %zd:\n%s\n", begin, ret, &host->rrdpush_buffer->buffer[begin]);
+ //host->rrdpush_buffer->buffer[begin + ret] = c;
+
+ sent_connection += ret;
+ sent_bytes += ret;
+ begin += ret;
+
+ if (begin == buffer_strlen(host->rrdpush_buffer)) {
+ // we send it all
+
+ debug(D_STREAM, "STREAM: Sent %zd bytes (the whole buffer)...", ret);
+ buffer_flush(host->rrdpush_buffer);
+ begin = 0;
+ }
+ else {
+ debug(D_STREAM, "STREAM: Sent %zd bytes (part of the data buffer)...", ret);
+ }
+
+ last_sent_t = now_monotonic_sec();
}
else {
- debug(D_STREAM, "STREAM: Send failed - will retry...");
+ debug(D_STREAM, "STREAM: send() returned %zd - closing the socket...", ret);
+ error("STREAM %s [send to %s]: failed to send metrics (send() returned %zd) - closing connection - we have sent %zu bytes on this connection.",
+ host->hostname, connected_to, ret, sent_connection);
+ close(host->rrdpush_socket);
+ host->rrdpush_socket = -1;
}
- }
- else if(likely(ret > 0)) {
- sent_connection += ret;
- sent_bytes += ret;
- begin += ret;
- if (begin == buffer_strlen(host->rrdpush_buffer)) {
- // we send it all
+ debug(D_STREAM, "STREAM: Releasing exclusive lock on host...");
+ rrdpush_unlock(host);
- debug(D_STREAM, "STREAM: Sent %zd bytes (the whole buffer)...", ret);
- buffer_flush(host->rrdpush_buffer);
- begin = 0;
- }
- else {
- debug(D_STREAM, "STREAM: Sent %zd bytes (part of the data buffer)...", ret);
- }
+ if (pthread_setcancelstate(PTHREAD_CANCEL_ENABLE, NULL) != 0)
+ error("STREAM %s [send]: cannot set pthread cancel state to ENABLE.", host->hostname);
- last_sent_t = now_monotonic_sec();
+ // END RRDPUSH LOCKED SESSION
}
else {
- debug(D_STREAM, "STREAM: send() returned %zd - closing the socket...", ret);
- error("STREAM %s [send to %s]: failed to send metrics (send() returned %zd) - closing connection - we have sent %zu bytes on this connection.", host->hostname, connected_to, ret, sent_connection);
- close(host->rrdpush_socket);
- host->rrdpush_socket = -1;
+ debug(D_STREAM, "STREAM: we have sent the entire buffer, but we received POLLOUT...");
}
+ }
- debug(D_STREAM, "STREAM: Releasing exclusive lock on host...");
- rrdpush_unlock(host);
-
- if (pthread_setcancelstate(PTHREAD_CANCEL_ENABLE, NULL) != 0)
- error("STREAM %s [send]: cannot set pthread cancel state to ENABLE.", host->hostname);
-
- // END RRDPUSH LOCKED SESSION
+ if(unlikely(ofd->revents & POLLERR)) {
+ debug(D_STREAM, "STREAM: Send failed (POLLERR) - closing socket...");
+ error("STREAM %s [send to %s]: connection reports errors (POLLERR), closing it - we have sent %zu bytes on this connection.", host->hostname, connected_to, sent_connection);
+ close(host->rrdpush_socket);
+ host->rrdpush_socket = -1;
+ }
+ else if(unlikely(ofd->revents & POLLHUP)) {
+ debug(D_STREAM, "STREAM: Send failed (POLLHUP) - closing socket...");
+ error("STREAM %s [send to %s]: connection closed by remote end (POLLHUP) - we have sent %zu bytes on this connection.", host->hostname, connected_to, sent_connection);
+ close(host->rrdpush_socket);
+ host->rrdpush_socket = -1;
+ }
+ else if(unlikely(ofd->revents & POLLNVAL)) {
+ debug(D_STREAM, "STREAM: Send failed (POLLNVAL) - closing socket...");
+ error("STREAM %s [send to %s]: connection is invalid (POLLNVAL), closing it - we have sent %zu bytes on this connection.", host->hostname, connected_to, sent_connection);
+ close(host->rrdpush_socket);
+ host->rrdpush_socket = -1;
}
}
else {
@@ -602,7 +633,7 @@ static int rrdpush_receive(int fd, const char *key, const char *hostname, const
, host->rrd_history_entries
, rrd_memory_mode_name(host->rrd_memory_mode)
, (health_enabled == CONFIG_BOOLEAN_NO)?"disabled":((health_enabled == CONFIG_BOOLEAN_YES)?"enabled":"auto")
- , host->tags
+ , host->tags?host->tags:""
);
#endif // NETDATA_INTERNAL_CHECKS
@@ -648,8 +679,15 @@ static int rrdpush_receive(int fd, const char *key, const char *hostname, const
host->connected_senders++;
rrdhost_flag_clear(host, RRDHOST_ORPHAN);
- if(health_enabled != CONFIG_BOOLEAN_NO)
- host->health_delay_up_to = now_realtime_sec() + alarms_delay;
+ if(health_enabled != CONFIG_BOOLEAN_NO) {
+ if(alarms_delay > 0) {
+ host->health_delay_up_to = now_realtime_sec() + alarms_delay;
+ info("Postponing health checks for %ld seconds, on host '%s', because it was just connected."
+ , alarms_delay
+ , host->hostname
+ );
+ }
+ }
rrdhost_unlock(host);
// call the plugins.d processor to receive the metrics