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FS-6842 #resolve mod_graylog2: added send-uncompressed-header param- set to true for logstash support

This commit is contained in:
Chris Rienzo 2014-09-23 16:40:46 -04:00
parent 9e72c8477f
commit 7d7223e931
2 changed files with 25 additions and 4 deletions
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4
src/mod/loggers/mod_graylog2/conf/autoload_configs/graylog2.conf.xml
View File

@ -11,11 +11,13 @@
<param name="server-host" value="192.168.0.69"/>
<param name="server-port" value="12201"/>
<param name="loglevel" value="warning"/>
<!-- Uncomment if using logstash w/ gelf.rb -->
<!--param name="send-uncompressed-header" value="true"/-->
<!-- fields to add to every log associated w/ a session -->
<fields>
<!-- for example: channel variable "customer_account_number" will be the data source for the customer field in graylog2 -->
<field name="customer" variable="customer_account_number"/>
<!--field name="customer" variable="customer_account_number"/-->
</fields>
</settings>
</configuration>

25
src/mod/loggers/mod_graylog2/mod_graylog2.c
View File

@ -36,6 +36,10 @@ SWITCH_MODULE_LOAD_FUNCTION(mod_graylog2_load);
SWITCH_MODULE_SHUTDOWN_FUNCTION(mod_graylog2_shutdown);
SWITCH_MODULE_DEFINITION(mod_graylog2, mod_graylog2_load, mod_graylog2_shutdown, NULL);
#define MAX_GELF_LOG_LEN 8192
#define UNCOMPRESSED_MAGIC "\037\074"
#define UNCOMPRESSED_MAGIC_LEN 2
static struct {
/** memory pool for this module */
switch_memory_pool_t *pool;
@ -53,6 +57,8 @@ static struct {
switch_queue_t *log_queue;
/** Fields to automatically add to session logs */
switch_event_t *session_fields;
/** If true, byte header for uncompressed GELF is sent. Might be required if using logstash */
int send_uncompressed_header;
} globals;
/**
@ -227,10 +233,19 @@ static void *SWITCH_THREAD_FUNC deliver_graylog2_thread(switch_thread_t *thread,
if (switch_queue_pop(globals.log_queue, (void *)&log) == SWITCH_STATUS_SUCCESS) {
if (!zstr(log)) {
switch_size_t len = strlen(log);
if (len <= 8192) {
switch_socket_send_nonblock(graylog2_sock, (void *)log, &len);
switch_size_t max_len = globals.send_uncompressed_header ? MAX_GELF_LOG_LEN - UNCOMPRESSED_MAGIC_LEN : MAX_GELF_LOG_LEN;
if (len <= max_len) {
if (globals.send_uncompressed_header) {
char buf[MAX_GELF_LOG_LEN];
memcpy(buf, UNCOMPRESSED_MAGIC, UNCOMPRESSED_MAGIC_LEN);
memcpy(buf + UNCOMPRESSED_MAGIC_LEN, log, len);
len += UNCOMPRESSED_MAGIC_LEN;
switch_socket_send_nonblock(graylog2_sock, (void *)buf, &len);
} else {
switch_socket_send_nonblock(graylog2_sock, (void *)log, &len);
}
} else {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_CONSOLE, "Skipping log with length > 8192 bytes\n");
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_CONSOLE, "Skipping large log\n");
}
}
switch_safe_free(log);
@ -313,6 +328,7 @@ static switch_status_t do_config(void)
globals.log_level = SWITCH_LOG_WARNING;
globals.server_host = "127.0.0.1";
globals.server_port = 12201;
globals.send_uncompressed_header = 0;
if ((settings = switch_xml_child(cfg, "settings"))) {
switch_xml_t param;
@ -353,6 +369,9 @@ static switch_status_t do_config(void)
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "\"%s\" = \"%s\"\n", name, value);
globals.log_level = log_level;
}
} else if (!strcasecmp(name, "send-uncompressed-header")) {
globals.send_uncompressed_header = switch_true(value);
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "\"%s\" = \"%s\"\n", name, value);
} else {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_WARNING, "Ignoring unknown param: \"%s\"\n", name);
}