#include "common.h"
#include "plugin.h"
#include "utils_cmd_putval.h"
-#include "utils_format_json.h"
#include "utils_format_graphite.h"
+#include "utils_format_json.h"
#include <amqp.h>
#include <amqp_framing.h>
#ifdef HAVE_AMQP_TCP_SOCKET_H
-#
include <amqp_tcp_socket.h>
+#include <amqp_tcp_socket.h>
#endif
#ifdef HAVE_AMQP_SOCKET_H
-#
include <amqp_socket.h>
+#include <amqp_socket.h>
#endif
#ifdef HAVE_AMQP_TCP_SOCKET
#if defined HAVE_DECL_AMQP_SOCKET_CLOSE && !HAVE_DECL_AMQP_SOCKET_CLOSE
/* Defines for the delivery mode. I have no idea why they're not defined by the
* library.. */
-#define CAMQP_DM_VOLATILE 1
+#define CAMQP_DM_VOLATILE 1
#define CAMQP_DM_PERSISTENT 2
-#define CAMQP_FORMAT_COMMAND 1
-#define CAMQP_FORMAT_JSON 2
-#define CAMQP_FORMAT_GRAPHITE 3
+#define CAMQP_FORMAT_COMMAND 1
+#define CAMQP_FORMAT_JSON 2
+#define CAMQP_FORMAT_GRAPHITE 3
#define CAMQP_CHANNEL 1
/*
* Data types
*/
-struct camqp_config_s
-{
- _Bool publish;
- char *name;
-
- char *host;
- int port;
- char *vhost;
- char *user;
- char *password;
-
- char *exchange;
- char *routing_key;
-
- /* Number of seconds to wait before connection is retried */
- int connection_retry_delay;
-
- /* publish only */
- uint8_t delivery_mode;
- _Bool store_rates;
- int format;
- /* publish & graphite format only */
- char *prefix;
- char *postfix;
- char escape_char;
- unsigned int graphite_flags;
-
- /* subscribe only */
- char *exchange_type;
- char *queue;
- _Bool queue_durable;
- _Bool queue_auto_delete;
-
- amqp_connection_state_t connection;
- pthread_mutex_t lock;
+struct camqp_config_s {
+ _Bool publish;
+ char *name;
+
+ char *host;
+ int port;
+ char *vhost;
+ char *user;
+ char *password;
+
+ char *exchange;
+ char *routing_key;
+
+ /* Number of seconds to wait before connection is retried */
+ int connection_retry_delay;
+
+ /* publish only */
+ uint8_t delivery_mode;
+ _Bool store_rates;
+ int format;
+ /* publish & graphite format only */
+ char *prefix;
+ char *postfix;
+ char escape_char;
+ unsigned int graphite_flags;
+
+ /* subscribe only */
+ char *exchange_type;
+ char *queue;
+ _Bool queue_durable;
+ _Bool queue_auto_delete;
+
+ amqp_connection_state_t connection;
+ pthread_mutex_t lock;
};
typedef struct camqp_config_s camqp_config_t;
/*
* Global variables
*/
-static const char *def_host = "localhost";
-static const char *def_vhost = "/";
-static const char *def_user = "guest";
-static const char *def_password = "guest";
-static const char *def_exchange = "amq.fanout";
+static const char *def_host = "localhost";
+static const char *def_vhost = "/";
+static const char *def_user = "guest";
+static const char *def_password = "guest";
+static const char *def_exchange = "amq.fanout";
-static pthread_t *subscriber_threads = NULL;
-static size_t subscriber_threads_num = 0;
-static _Bool subscriber_threads_running = 1;
+static pthread_t *subscriber_threads = NULL;
+static size_t subscriber_threads_num = 0;
+static _Bool subscriber_threads_running = 1;
-#define CONF(c,f) (((c)->f != NULL) ? (c)->f : def_##f)
+#define CONF(c, f) (((c)->f != NULL) ? (c)->f : def_##f)
/*
* Functions
*/
-static void camqp_close_connection (camqp_config_t *conf) /* {{{ */
+static void camqp_close_connection(camqp_config_t *conf) /* {{{ */
{
- int sockfd;
+ int sockfd;
- if ((conf == NULL) || (conf->connection == NULL))
- return;
+ if ((conf == NULL) || (conf->connection == NULL))
+ return;
- sockfd = amqp_get_sockfd (conf->connection);
- amqp_channel_close (conf->connection, CAMQP_CHANNEL, AMQP_REPLY_SUCCESS);
- amqp_connection_close (conf->connection, AMQP_REPLY_SUCCESS);
- amqp_destroy_connection (conf->connection);
- close (sockfd);
- conf->connection = NULL;
+ sockfd = amqp_get_sockfd(conf->connection);
+ amqp_channel_close(conf->connection, CAMQP_CHANNEL, AMQP_REPLY_SUCCESS);
+ amqp_connection_close(conf->connection, AMQP_REPLY_SUCCESS);
+ amqp_destroy_connection(conf->connection);
+ close(sockfd);
+ conf->connection = NULL;
} /* }}} void camqp_close_connection */
-static void camqp_config_free (void *ptr) /* {{{ */
+static void camqp_config_free(void *ptr) /* {{{ */
{
- camqp_config_t *conf = ptr;
-
- if (conf == NULL)
- return;
-
- camqp_close_connection (conf);
-
- sfree (conf->name);
- sfree (conf->host);
- sfree (conf->vhost);
- sfree (conf->user);
- sfree (conf->password);
- sfree (conf->exchange);
- sfree (conf->exchange_type);
- sfree (conf->queue);
- sfree (conf->routing_key);
- sfree (conf->prefix);
- sfree (conf->postfix);
-
-
- sfree (conf);
+ camqp_config_t *conf = ptr;
+
+ if (conf == NULL)
+ return;
+
+ camqp_close_connection(conf);
+
+ sfree(conf->name);
+ sfree(conf->host);
+ sfree(conf->vhost);
+ sfree(conf->user);
+ sfree(conf->password);
+ sfree(conf->exchange);
+ sfree(conf->exchange_type);
+ sfree(conf->queue);
+ sfree(conf->routing_key);
+ sfree(conf->prefix);
+ sfree(conf->postfix);
+
+ sfree(conf);
} /* }}} void camqp_config_free */
-static char *camqp_bytes_cstring (amqp_bytes_t *in) /* {{{ */
+static char *camqp_bytes_cstring(amqp_bytes_t *in) /* {{{ */
{
- char *ret;
+ char *ret;
- if ((in == NULL) || (in->bytes == NULL))
- return (NULL);
+ if ((in == NULL) || (in->bytes == NULL))
+ return NULL;
- ret = malloc (in->len + 1);
- if (ret == NULL)
- return (NULL);
+ ret = malloc(in->len + 1);
+ if (ret == NULL)
+ return NULL;
- memcpy (ret, in->bytes, in->len);
- ret[in->len] = 0;
+ memcpy(ret, in->bytes, in->len);
+ ret[in->len] = 0;
- return (ret);
+ return ret;
} /* }}} char *camqp_bytes_cstring */
-static _Bool camqp_is_error (camqp_config_t *conf) /* {{{ */
+static _Bool camqp_is_error(camqp_config_t *conf) /* {{{ */
{
- amqp_rpc_reply_t r;
+ amqp_rpc_reply_t r;
- r = amqp_get_rpc_reply (conf->connection);
- if (r.reply_type == AMQP_RESPONSE_NORMAL)
- return (0);
+ r = amqp_get_rpc_reply(conf->connection);
+ if (r.reply_type == AMQP_RESPONSE_NORMAL)
+ return 0;
- return (1);
+ return 1;
} /* }}} _Bool camqp_is_error */
-static char *camqp_strerror (camqp_config_t *conf, /* {{{ */
- char *buffer, size_t buffer_size)
-{
- amqp_rpc_reply_t r;
+static char *camqp_strerror(camqp_config_t *conf, /* {{{ */
+ char *buffer, size_t buffer_size) {
+ amqp_rpc_reply_t r;
- r = amqp_get_rpc_reply (conf->connection);
- switch (r.reply_type)
- {
- case AMQP_RESPONSE_NORMAL:
- sstrncpy (buffer, "Success", buffer_size);
- break;
+ r = amqp_get_rpc_reply(conf->connection);
+ switch (r.reply_type) {
+ case AMQP_RESPONSE_NORMAL:
+ sstrncpy(buffer, "Success", buffer_size);
+ break;
- case AMQP_RESPONSE_NONE:
- sstrncpy (buffer, "Missing RPC reply type", buffer_size);
- break;
+ case AMQP_RESPONSE_NONE:
+ sstrncpy(buffer, "Missing RPC reply type", buffer_size);
+ break;
- case AMQP_RESPONSE_LIBRARY_EXCEPTION:
+ case AMQP_RESPONSE_LIBRARY_EXCEPTION:
#if HAVE_AMQP_RPC_REPLY_T_LIBRARY_ERRNO
- if (r.library_errno)
- return (sstrerror (r.library_errno, buffer, buffer_size));
+ if (r.library_errno)
+ return sstrerror(r.library_errno, buffer, buffer_size);
#else
- if (r.library_error)
- return (sstrerror (r.library_error, buffer, buffer_size));
+ if (r.library_error)
+ return sstrerror(r.library_error, buffer, buffer_size);
#endif
- else
- sstrncpy (buffer, "End of stream", buffer_size);
- break;
-
- case AMQP_RESPONSE_SERVER_EXCEPTION:
- if (r.reply.id == AMQP_CONNECTION_CLOSE_METHOD)
- {
- amqp_connection_close_t *m = r.reply.decoded;
- char *tmp = camqp_bytes_cstring (&m->reply_text);
- ssnprintf (buffer, buffer_size, "Server connection error %d: %s",
- m->reply_code, tmp);
- sfree (tmp);
- }
- else if (r.reply.id == AMQP_CHANNEL_CLOSE_METHOD)
- {
- amqp_channel_close_t *m = r.reply.decoded;
- char *tmp = camqp_bytes_cstring (&m->reply_text);
- ssnprintf (buffer, buffer_size, "Server channel error %d: %s",
- m->reply_code, tmp);
- sfree (tmp);
- }
- else
- {
- ssnprintf (buffer, buffer_size, "Server error method %#"PRIx32,
- r.reply.id);
- }
- break;
-
- default:
- ssnprintf (buffer, buffer_size, "Unknown reply type %i",
- (int) r.reply_type);
+ else
+ sstrncpy(buffer, "End of stream", buffer_size);
+ break;
+
+ case AMQP_RESPONSE_SERVER_EXCEPTION:
+ if (r.reply.id == AMQP_CONNECTION_CLOSE_METHOD) {
+ amqp_connection_close_t *m = r.reply.decoded;
+ char *tmp = camqp_bytes_cstring(&m->reply_text);
+ snprintf(buffer, buffer_size, "Server connection error %d: %s",
+ m->reply_code, tmp);
+ sfree(tmp);
+ } else if (r.reply.id == AMQP_CHANNEL_CLOSE_METHOD) {
+ amqp_channel_close_t *m = r.reply.decoded;
+ char *tmp = camqp_bytes_cstring(&m->reply_text);
+ snprintf(buffer, buffer_size, "Server channel error %d: %s",
+ m->reply_code, tmp);
+ sfree(tmp);
+ } else {
+ snprintf(buffer, buffer_size, "Server error method %#" PRIx32,
+ r.reply.id);
}
+ break;
- return (buffer);
+ default:
+ snprintf(buffer, buffer_size, "Unknown reply type %i", (int)r.reply_type);
+ }
+
+ return buffer;
} /* }}} char *camqp_strerror */
#if HAVE_AMQP_RPC_REPLY_T_LIBRARY_ERRNO
-static int camqp_create_exchange (camqp_config_t *conf) /* {{{ */
+static int camqp_create_exchange(camqp_config_t *conf) /* {{{ */
{
- amqp_exchange_declare_ok_t *ed_ret;
-
- if (conf->exchange_type == NULL)
- return (0);
-
- ed_ret = amqp_exchange_declare (conf->connection,
- /* channel = */ CAMQP_CHANNEL,
- /* exchange = */ amqp_cstring_bytes (conf->exchange),
- /* type = */ amqp_cstring_bytes (conf->exchange_type),
- /* passive = */ 0,
- /* durable = */ 0,
- /* auto_delete = */ 1,
- /* arguments = */ AMQP_EMPTY_TABLE);
- if ((ed_ret == NULL) && camqp_is_error (conf))
- {
- char errbuf[1024];
- ERROR ("amqp plugin: amqp_exchange_declare failed: %s",
- camqp_strerror (conf, errbuf, sizeof (errbuf)));
- camqp_close_connection (conf);
- return (-1);
- }
-
- INFO ("amqp plugin: Successfully created exchange \"%s\" "
- "with type \"%s\".",
- conf->exchange, conf->exchange_type);
-
- return (0);
+ amqp_exchange_declare_ok_t *ed_ret;
+
+ if (conf->exchange_type == NULL)
+ return 0;
+
+ ed_ret = amqp_exchange_declare(
+ conf->connection,
+ /* channel = */ CAMQP_CHANNEL,
+ /* exchange = */ amqp_cstring_bytes(conf->exchange),
+ /* type = */ amqp_cstring_bytes(conf->exchange_type),
+ /* passive = */ 0,
+ /* durable = */ 0,
+ /* auto_delete = */ 1,
+ /* arguments = */ AMQP_EMPTY_TABLE);
+ if ((ed_ret == NULL) && camqp_is_error(conf)) {
+ char errbuf[1024];
+ ERROR("amqp plugin: amqp_exchange_declare failed: %s",
+ camqp_strerror(conf, errbuf, sizeof(errbuf)));
+ camqp_close_connection(conf);
+ return -1;
+ }
+
+ INFO("amqp plugin: Successfully created exchange \"%s\" "
+ "with type \"%s\".",
+ conf->exchange, conf->exchange_type);
+
+ return 0;
} /* }}} int camqp_create_exchange */
#else
-static int camqp_create_exchange (camqp_config_t *conf) /* {{{ */
+static int camqp_create_exchange(camqp_config_t *conf) /* {{{ */
{
- amqp_exchange_declare_ok_t *ed_ret;
- amqp_table_t argument_table;
- struct amqp_table_entry_t_ argument_table_entries[1];
-
- if (conf->exchange_type == NULL)
- return (0);
-
- /* Valid arguments: "auto_delete", "internal" */
- argument_table.num_entries = STATIC_ARRAY_SIZE (argument_table_entries);
- argument_table.entries = argument_table_entries;
- argument_table_entries[0].key = amqp_cstring_bytes ("auto_delete");
- argument_table_entries[0].value.kind = AMQP_FIELD_KIND_BOOLEAN;
- argument_table_entries[0].value.value.boolean = 1;
-
- ed_ret = amqp_exchange_declare (conf->connection,
- /* channel = */ CAMQP_CHANNEL,
- /* exchange = */ amqp_cstring_bytes (conf->exchange),
- /* type = */ amqp_cstring_bytes (conf->exchange_type),
- /* passive = */ 0,
- /* durable = */ 0,
+ amqp_exchange_declare_ok_t *ed_ret;
+ amqp_table_t argument_table;
+ struct amqp_table_entry_t_ argument_table_entries[1];
+
+ if (conf->exchange_type == NULL)
+ return 0;
+
+ /* Valid arguments: "auto_delete", "internal" */
+ argument_table.num_entries = STATIC_ARRAY_SIZE(argument_table_entries);
+ argument_table.entries = argument_table_entries;
+ argument_table_entries[0].key = amqp_cstring_bytes("auto_delete");
+ argument_table_entries[0].value.kind = AMQP_FIELD_KIND_BOOLEAN;
+ argument_table_entries[0].value.value.boolean = 1;
+
+ ed_ret = amqp_exchange_declare(
+ conf->connection,
+ /* channel = */ CAMQP_CHANNEL,
+ /* exchange = */ amqp_cstring_bytes(conf->exchange),
+ /* type = */ amqp_cstring_bytes(conf->exchange_type),
+ /* passive = */ 0,
+ /* durable = */ 0,
#if defined(AMQP_VERSION) && AMQP_VERSION >= 0x00060000
- /* auto delete = */ 0,
- /* internal = */ 0,
+ /* auto delete = */ 0,
+ /* internal = */ 0,
#endif
- /* arguments = */ argument_table);
- if ((ed_ret == NULL) && camqp_is_error (conf))
- {
- char errbuf[1024];
- ERROR ("amqp plugin: amqp_exchange_declare failed: %s",
- camqp_strerror (conf, errbuf, sizeof (errbuf)));
- camqp_close_connection (conf);
- return (-1);
- }
-
- INFO ("amqp plugin: Successfully created exchange \"%s\" "
- "with type \"%s\".",
- conf->exchange, conf->exchange_type);
-
- return (0);
+ /* arguments = */ argument_table);
+ if ((ed_ret == NULL) && camqp_is_error(conf)) {
+ char errbuf[1024];
+ ERROR("amqp plugin: amqp_exchange_declare failed: %s",
+ camqp_strerror(conf, errbuf, sizeof(errbuf)));
+ camqp_close_connection(conf);
+ return -1;
+ }
+
+ INFO("amqp plugin: Successfully created exchange \"%s\" "
+ "with type \"%s\".",
+ conf->exchange, conf->exchange_type);
+
+ return 0;
} /* }}} int camqp_create_exchange */
#endif
-static int camqp_setup_queue (camqp_config_t *conf) /* {{{ */
+static int camqp_setup_queue(camqp_config_t *conf) /* {{{ */
{
- amqp_queue_declare_ok_t *qd_ret;
- amqp_basic_consume_ok_t *cm_ret;
-
- qd_ret = amqp_queue_declare (conf->connection,
- /* channel = */ CAMQP_CHANNEL,
- /* queue = */ (conf->queue != NULL)
- ? amqp_cstring_bytes (conf->queue)
- : AMQP_EMPTY_BYTES,
- /* passive = */ 0,
- /* durable = */ conf->queue_durable,
- /* exclusive = */ 0,
- /* auto_delete = */ conf->queue_auto_delete,
- /* arguments = */ AMQP_EMPTY_TABLE);
- if (qd_ret == NULL)
- {
- ERROR ("amqp plugin: amqp_queue_declare failed.");
- camqp_close_connection (conf);
- return (-1);
+ amqp_queue_declare_ok_t *qd_ret;
+ amqp_basic_consume_ok_t *cm_ret;
+
+ qd_ret = amqp_queue_declare(conf->connection,
+ /* channel = */ CAMQP_CHANNEL,
+ /* queue = */ (conf->queue != NULL)
+ ? amqp_cstring_bytes(conf->queue)
+ : AMQP_EMPTY_BYTES,
+ /* passive = */ 0,
+ /* durable = */ conf->queue_durable,
+ /* exclusive = */ 0,
+ /* auto_delete = */ conf->queue_auto_delete,
+ /* arguments = */ AMQP_EMPTY_TABLE);
+ if (qd_ret == NULL) {
+ ERROR("amqp plugin: amqp_queue_declare failed.");
+ camqp_close_connection(conf);
+ return -1;
+ }
+
+ if (conf->queue == NULL) {
+ conf->queue = camqp_bytes_cstring(&qd_ret->queue);
+ if (conf->queue == NULL) {
+ ERROR("amqp plugin: camqp_bytes_cstring failed.");
+ camqp_close_connection(conf);
+ return -1;
}
- if (conf->queue == NULL)
- {
- conf->queue = camqp_bytes_cstring (&qd_ret->queue);
- if (conf->queue == NULL)
- {
- ERROR ("amqp plugin: camqp_bytes_cstring failed.");
- camqp_close_connection (conf);
- return (-1);
- }
-
- INFO ("amqp plugin: Created queue \"%s\".", conf->queue);
- }
- DEBUG ("amqp plugin: Successfully created queue \"%s\".", conf->queue);
-
- /* bind to an exchange */
- if (conf->exchange != NULL)
- {
- amqp_queue_bind_ok_t *qb_ret;
-
- assert (conf->queue != NULL);
- qb_ret = amqp_queue_bind (conf->connection,
- /* channel = */ CAMQP_CHANNEL,
- /* queue = */ amqp_cstring_bytes (conf->queue),
- /* exchange = */ amqp_cstring_bytes (conf->exchange),
- /* routing_key = */ (conf->routing_key != NULL)
- ? amqp_cstring_bytes (conf->routing_key)
- : AMQP_EMPTY_BYTES,
- /* arguments = */ AMQP_EMPTY_TABLE);
- if ((qb_ret == NULL) && camqp_is_error (conf))
- {
- char errbuf[1024];
- ERROR ("amqp plugin: amqp_queue_bind failed: %s",
- camqp_strerror (conf, errbuf, sizeof (errbuf)));
- camqp_close_connection (conf);
- return (-1);
- }
-
- DEBUG ("amqp plugin: Successfully bound queue \"%s\" to exchange \"%s\".",
- conf->queue, conf->exchange);
- } /* if (conf->exchange != NULL) */
-
- cm_ret = amqp_basic_consume (conf->connection,
- /* channel = */ CAMQP_CHANNEL,
- /* queue = */ amqp_cstring_bytes (conf->queue),
- /* consumer_tag = */ AMQP_EMPTY_BYTES,
- /* no_local = */ 0,
- /* no_ack = */ 1,
- /* exclusive = */ 0,
- /* arguments = */ AMQP_EMPTY_TABLE
- );
- if ((cm_ret == NULL) && camqp_is_error (conf))
- {
- char errbuf[1024];
- ERROR ("amqp plugin: amqp_basic_consume failed: %s",
- camqp_strerror (conf, errbuf, sizeof (errbuf)));
- camqp_close_connection (conf);
- return (-1);
+ INFO("amqp plugin: Created queue \"%s\".", conf->queue);
+ }
+ DEBUG("amqp plugin: Successfully created queue \"%s\".", conf->queue);
+
+ /* bind to an exchange */
+ if (conf->exchange != NULL) {
+ amqp_queue_bind_ok_t *qb_ret;
+
+ assert(conf->queue != NULL);
+ qb_ret =
+ amqp_queue_bind(conf->connection,
+ /* channel = */ CAMQP_CHANNEL,
+ /* queue = */ amqp_cstring_bytes(conf->queue),
+ /* exchange = */ amqp_cstring_bytes(conf->exchange),
+ /* routing_key = */ (conf->routing_key != NULL)
+ ? amqp_cstring_bytes(conf->routing_key)
+ : AMQP_EMPTY_BYTES,
+ /* arguments = */ AMQP_EMPTY_TABLE);
+ if ((qb_ret == NULL) && camqp_is_error(conf)) {
+ char errbuf[1024];
+ ERROR("amqp plugin: amqp_queue_bind failed: %s",
+ camqp_strerror(conf, errbuf, sizeof(errbuf)));
+ camqp_close_connection(conf);
+ return -1;
}
- return (0);
+ DEBUG("amqp plugin: Successfully bound queue \"%s\" to exchange \"%s\".",
+ conf->queue, conf->exchange);
+ } /* if (conf->exchange != NULL) */
+
+ cm_ret =
+ amqp_basic_consume(conf->connection,
+ /* channel = */ CAMQP_CHANNEL,
+ /* queue = */ amqp_cstring_bytes(conf->queue),
+ /* consumer_tag = */ AMQP_EMPTY_BYTES,
+ /* no_local = */ 0,
+ /* no_ack = */ 1,
+ /* exclusive = */ 0,
+ /* arguments = */ AMQP_EMPTY_TABLE);
+ if ((cm_ret == NULL) && camqp_is_error(conf)) {
+ char errbuf[1024];
+ ERROR("amqp plugin: amqp_basic_consume failed: %s",
+ camqp_strerror(conf, errbuf, sizeof(errbuf)));
+ camqp_close_connection(conf);
+ return -1;
+ }
+
+ return 0;
} /* }}} int camqp_setup_queue */
-static int camqp_connect (camqp_config_t *conf) /* {{{ */
+static int camqp_connect(camqp_config_t *conf) /* {{{ */
{
- static time_t last_connect_time = 0;
+ static time_t last_connect_time = 0;
- amqp_rpc_reply_t reply;
- int status;
+ amqp_rpc_reply_t reply;
+ int status;
#ifdef HAVE_AMQP_TCP_SOCKET
- amqp_socket_t *socket;
+ amqp_socket_t *socket;
#else
- int sockfd;
+ int sockfd;
#endif
- if (conf->connection != NULL)
- return (0);
-
- time_t now = time(NULL);
- if (now < (last_connect_time + conf->connection_retry_delay))
- {
- DEBUG("amqp plugin: skipping connection retry, "
- "ConnectionRetryDelay: %d", conf->connection_retry_delay);
- return(1);
- }
- else
- {
- DEBUG ("amqp plugin: retrying connection");
- last_connect_time = now;
- }
-
- conf->connection = amqp_new_connection ();
- if (conf->connection == NULL)
- {
- ERROR ("amqp plugin: amqp_new_connection failed.");
- return (ENOMEM);
- }
+ if (conf->connection != NULL)
+ return 0;
+
+ time_t now = time(NULL);
+ if (now < (last_connect_time + conf->connection_retry_delay)) {
+ DEBUG("amqp plugin: skipping connection retry, "
+ "ConnectionRetryDelay: %d",
+ conf->connection_retry_delay);
+ return 1;
+ } else {
+ DEBUG("amqp plugin: retrying connection");
+ last_connect_time = now;
+ }
+
+ conf->connection = amqp_new_connection();
+ if (conf->connection == NULL) {
+ ERROR("amqp plugin: amqp_new_connection failed.");
+ return ENOMEM;
+ }
#ifdef HAVE_AMQP_TCP_SOCKET
-# define CLOSE_SOCKET() /* amqp_destroy_connection() closes the socket for us */
- /* TODO: add support for SSL using amqp_ssl_socket_new
- * and related functions */
- socket = amqp_tcp_socket_new (conf->connection);
- if (! socket)
- {
- ERROR ("amqp plugin: amqp_tcp_socket_new failed.");
- amqp_destroy_connection (conf->connection);
- conf->connection = NULL;
- return (ENOMEM);
- }
-
- status = amqp_socket_open (socket, CONF(conf, host), conf->port);
- if (status < 0)
- {
- char errbuf[1024];
- status *= -1;
- ERROR ("amqp plugin: amqp_socket_open failed: %s",
- sstrerror (status, errbuf, sizeof (errbuf)));
- amqp_destroy_connection (conf->connection);
- conf->connection = NULL;
- return (status);
- }
+#define CLOSE_SOCKET() /* amqp_destroy_connection() closes the socket for us \
+ */
+ /* TODO: add support for SSL using amqp_ssl_socket_new
+ * and related functions */
+ socket = amqp_tcp_socket_new(conf->connection);
+ if (!socket) {
+ ERROR("amqp plugin: amqp_tcp_socket_new failed.");
+ amqp_destroy_connection(conf->connection);
+ conf->connection = NULL;
+ return ENOMEM;
+ }
+
+ status = amqp_socket_open(socket, CONF(conf, host), conf->port);
+ if (status < 0) {
+ char errbuf[1024];
+ status *= -1;
+ ERROR("amqp plugin: amqp_socket_open failed: %s",
+ sstrerror(status, errbuf, sizeof(errbuf)));
+ amqp_destroy_connection(conf->connection);
+ conf->connection = NULL;
+ return status;
+ }
#else /* HAVE_AMQP_TCP_SOCKET */
-# define CLOSE_SOCKET() close(sockfd)
- /* this interface is deprecated as of rabbitmq-c 0.4 */
- sockfd = amqp_open_socket (CONF(conf, host), conf->port);
- if (sockfd < 0)
- {
- char errbuf[1024];
- status = (-1) * sockfd;
- ERROR ("amqp plugin: amqp_open_socket failed: %s",
- sstrerror (status, errbuf, sizeof (errbuf)));
- amqp_destroy_connection (conf->connection);
- conf->connection = NULL;
- return (status);
- }
- amqp_set_sockfd (conf->connection, sockfd);
+#define CLOSE_SOCKET() close(sockfd)
+ /* this interface is deprecated as of rabbitmq-c 0.4 */
+ sockfd = amqp_open_socket(CONF(conf, host), conf->port);
+ if (sockfd < 0) {
+ char errbuf[1024];
+ status = (-1) * sockfd;
+ ERROR("amqp plugin: amqp_open_socket failed: %s",
+ sstrerror(status, errbuf, sizeof(errbuf)));
+ amqp_destroy_connection(conf->connection);
+ conf->connection = NULL;
+ return status;
+ }
+ amqp_set_sockfd(conf->connection, sockfd);
#endif
- reply = amqp_login (conf->connection, CONF(conf, vhost),
- /* channel max = */ 0,
- /* frame max = */ 131072,
- /* heartbeat = */ 0,
- /* authentication = */ AMQP_SASL_METHOD_PLAIN,
- CONF(conf, user), CONF(conf, password));
- if (reply.reply_type != AMQP_RESPONSE_NORMAL)
- {
- ERROR ("amqp plugin: amqp_login (vhost = %s, user = %s) failed.",
- CONF(conf, vhost), CONF(conf, user));
- amqp_destroy_connection (conf->connection);
- CLOSE_SOCKET ();
- conf->connection = NULL;
- return (1);
- }
-
- amqp_channel_open (conf->connection, /* channel = */ 1);
- /* FIXME: Is checking "reply.reply_type" really correct here? How does
- * it get set? --octo */
- if (reply.reply_type != AMQP_RESPONSE_NORMAL)
- {
- ERROR ("amqp plugin: amqp_channel_open failed.");
- amqp_connection_close (conf->connection, AMQP_REPLY_SUCCESS);
- amqp_destroy_connection (conf->connection);
- CLOSE_SOCKET ();
- conf->connection = NULL;
- return (1);
- }
+ reply = amqp_login(conf->connection, CONF(conf, vhost),
+ /* channel max = */ 0,
+ /* frame max = */ 131072,
+ /* heartbeat = */ 0,
+ /* authentication = */ AMQP_SASL_METHOD_PLAIN,
+ CONF(conf, user), CONF(conf, password));
+ if (reply.reply_type != AMQP_RESPONSE_NORMAL) {
+ ERROR("amqp plugin: amqp_login (vhost = %s, user = %s) failed.",
+ CONF(conf, vhost), CONF(conf, user));
+ amqp_destroy_connection(conf->connection);
+ CLOSE_SOCKET();
+ conf->connection = NULL;
+ return 1;
+ }
+
+ amqp_channel_open(conf->connection, /* channel = */ 1);
+ /* FIXME: Is checking "reply.reply_type" really correct here? How does
+ * it get set? --octo */
+ if (reply.reply_type != AMQP_RESPONSE_NORMAL) {
+ ERROR("amqp plugin: amqp_channel_open failed.");
+ amqp_connection_close(conf->connection, AMQP_REPLY_SUCCESS);
+ amqp_destroy_connection(conf->connection);
+ CLOSE_SOCKET();
+ conf->connection = NULL;
+ return 1;
+ }
- INFO ("amqp plugin: Successfully opened connection to vhost \"%s\" "
- "on %s:%i.", CONF(conf, vhost), CONF(conf, host), conf->port);
+ INFO("amqp plugin: Successfully opened connection to vhost \"%s\" "
+ "on %s:%i.",
+ CONF(conf, vhost), CONF(conf, host), conf->port);
- status = camqp_create_exchange (conf);
- if (status != 0)
- return (status);
+ status = camqp_create_exchange(conf);
+ if (status != 0)
+ return status;
- if (!conf->publish)
- return (camqp_setup_queue (conf));
- return (0);
+ if (!conf->publish)
+ return camqp_setup_queue(conf);
+ return 0;
} /* }}} int camqp_connect */
-static int camqp_shutdown (void) /* {{{ */
+static int camqp_shutdown(void) /* {{{ */
{
- DEBUG ("amqp plugin: Shutting down %zu subscriber threads.",
- subscriber_threads_num);
-
- subscriber_threads_running = 0;
- for (size_t i = 0; i < subscriber_threads_num; i++)
- {
- /* FIXME: Sending a signal is not very elegant here. Maybe find out how
- * to use a timeout in the thread and check for the variable in regular
- * intervals. */
- pthread_kill (subscriber_threads[i], SIGTERM);
- pthread_join (subscriber_threads[i], /* retval = */ NULL);
- }
+ DEBUG("amqp plugin: Shutting down %" PRIsz " subscriber threads.",
+ subscriber_threads_num);
+
+ subscriber_threads_running = 0;
+ for (size_t i = 0; i < subscriber_threads_num; i++) {
+ /* FIXME: Sending a signal is not very elegant here. Maybe find out how
+ * to use a timeout in the thread and check for the variable in regular
+ * intervals. */
+ pthread_kill(subscriber_threads[i], SIGTERM);
+ pthread_join(subscriber_threads[i], /* retval = */ NULL);
+ }
- subscriber_threads_num = 0;
- sfree (subscriber_threads);
+ subscriber_threads_num = 0;
+ sfree(subscriber_threads);
- DEBUG ("amqp plugin: All subscriber threads exited.");
+ DEBUG("amqp plugin: All subscriber threads exited.");
- return (0);
+ return 0;
} /* }}} int camqp_shutdown */
/*
* Subscribing code
*/
-static int camqp_read_body (camqp_config_t *conf, /* {{{ */
- size_t body_size, const char *content_type)
-{
- char body[body_size + 1];
- char *body_ptr;
- size_t received;
- amqp_frame_t frame;
- int status;
-
- memset (body, 0, sizeof (body));
- body_ptr = &body[0];
- received = 0;
-
- while (received < body_size)
- {
- status = amqp_simple_wait_frame (conf->connection, &frame);
- if (status < 0)
- {
- char errbuf[1024];
- status = (-1) * status;
- ERROR ("amqp plugin: amqp_simple_wait_frame failed: %s",
- sstrerror (status, errbuf, sizeof (errbuf)));
- camqp_close_connection (conf);
- return (status);
- }
-
- if (frame.frame_type != AMQP_FRAME_BODY)
- {
- NOTICE ("amqp plugin: Unexpected frame type: %#"PRIx8,
- frame.frame_type);
- return (-1);
- }
-
- if ((body_size - received) < frame.payload.body_fragment.len)
- {
- WARNING ("amqp plugin: Body is larger than indicated by header.");
- return (-1);
- }
-
- memcpy (body_ptr, frame.payload.body_fragment.bytes,
- frame.payload.body_fragment.len);
- body_ptr += frame.payload.body_fragment.len;
- received += frame.payload.body_fragment.len;
- } /* while (received < body_size) */
-
- if (strcasecmp ("text/collectd", content_type) == 0)
- {
- status = handle_putval (stderr, body);
- if (status != 0)
- ERROR ("amqp plugin: handle_putval failed with status %i.",
- status);
- return (status);
+static int camqp_read_body(camqp_config_t *conf, /* {{{ */
+ size_t body_size, const char *content_type) {
+ char body[body_size + 1];
+ char *body_ptr;
+ size_t received;
+ amqp_frame_t frame;
+ int status;
+
+ memset(body, 0, sizeof(body));
+ body_ptr = &body[0];
+ received = 0;
+
+ while (received < body_size) {
+ status = amqp_simple_wait_frame(conf->connection, &frame);
+ if (status < 0) {
+ char errbuf[1024];
+ status = (-1) * status;
+ ERROR("amqp plugin: amqp_simple_wait_frame failed: %s",
+ sstrerror(status, errbuf, sizeof(errbuf)));
+ camqp_close_connection(conf);
+ return status;
}
- else if (strcasecmp ("application/json", content_type) == 0)
- {
- ERROR ("amqp plugin: camqp_read_body: Parsing JSON data has not "
- "been implemented yet. FIXME!");
- return (0);
+
+ if (frame.frame_type != AMQP_FRAME_BODY) {
+ NOTICE("amqp plugin: Unexpected frame type: %#" PRIx8, frame.frame_type);
+ return -1;
}
- else
- {
- ERROR ("amqp plugin: camqp_read_body: Unknown content type \"%s\".",
- content_type);
- return (EINVAL);
+
+ if ((body_size - received) < frame.payload.body_fragment.len) {
+ WARNING("amqp plugin: Body is larger than indicated by header.");
+ return -1;
}
- /* not reached */
- return (0);
+ memcpy(body_ptr, frame.payload.body_fragment.bytes,
+ frame.payload.body_fragment.len);
+ body_ptr += frame.payload.body_fragment.len;
+ received += frame.payload.body_fragment.len;
+ } /* while (received < body_size) */
+
+ if (strcasecmp("text/collectd", content_type) == 0) {
+ status = cmd_handle_putval(stderr, body);
+ if (status != 0)
+ ERROR("amqp plugin: cmd_handle_putval failed with status %i.", status);
+ return status;
+ } else if (strcasecmp("application/json", content_type) == 0) {
+ ERROR("amqp plugin: camqp_read_body: Parsing JSON data has not "
+ "been implemented yet. FIXME!");
+ return 0;
+ } else {
+ ERROR("amqp plugin: camqp_read_body: Unknown content type \"%s\".",
+ content_type);
+ return EINVAL;
+ }
+
+ /* not reached */
+ return 0;
} /* }}} int camqp_read_body */
-static int camqp_read_header (camqp_config_t *conf) /* {{{ */
+static int camqp_read_header(camqp_config_t *conf) /* {{{ */
{
- int status;
+ int status;
+ amqp_frame_t frame;
+ amqp_basic_properties_t *properties;
+ char *content_type;
+
+ status = amqp_simple_wait_frame(conf->connection, &frame);
+ if (status < 0) {
+ char errbuf[1024];
+ status = (-1) * status;
+ ERROR("amqp plugin: amqp_simple_wait_frame failed: %s",
+ sstrerror(status, errbuf, sizeof(errbuf)));
+ camqp_close_connection(conf);
+ return status;
+ }
+
+ if (frame.frame_type != AMQP_FRAME_HEADER) {
+ NOTICE("amqp plugin: Unexpected frame type: %#" PRIx8, frame.frame_type);
+ return -1;
+ }
+
+ properties = frame.payload.properties.decoded;
+ content_type = camqp_bytes_cstring(&properties->content_type);
+ if (content_type == NULL) {
+ ERROR("amqp plugin: Unable to determine content type.");
+ return -1;
+ }
+
+ status = camqp_read_body(conf, (size_t)frame.payload.properties.body_size,
+ content_type);
+
+ sfree(content_type);
+ return status;
+} /* }}} int camqp_read_header */
+
+static void *camqp_subscribe_thread(void *user_data) /* {{{ */
+{
+ camqp_config_t *conf = user_data;
+ int status;
+
+ cdtime_t interval = plugin_get_interval();
+
+ while (subscriber_threads_running) {
amqp_frame_t frame;
- amqp_basic_properties_t *properties;
- char *content_type;
-
- status = amqp_simple_wait_frame (conf->connection, &frame);
- if (status < 0)
- {
- char errbuf[1024];
- status = (-1) * status;
- ERROR ("amqp plugin: amqp_simple_wait_frame failed: %s",
- sstrerror (status, errbuf, sizeof (errbuf)));
- camqp_close_connection (conf);
- return (status);
+
+ status = camqp_connect(conf);
+ if (status != 0) {
+ ERROR("amqp plugin: camqp_connect failed. "
+ "Will sleep for %.3f seconds.",
+ CDTIME_T_TO_DOUBLE(interval));
+ nanosleep(&CDTIME_T_TO_TIMESPEC(interval), /* remaining = */ NULL);
+ continue;
}
- if (frame.frame_type != AMQP_FRAME_HEADER)
- {
- NOTICE ("amqp plugin: Unexpected frame type: %#"PRIx8,
- frame.frame_type);
- return (-1);
+ status = amqp_simple_wait_frame(conf->connection, &frame);
+ if (status < 0) {
+ ERROR("amqp plugin: amqp_simple_wait_frame failed. "
+ "Will sleep for %.3f seconds.",
+ CDTIME_T_TO_DOUBLE(interval));
+ camqp_close_connection(conf);
+ nanosleep(&CDTIME_T_TO_TIMESPEC(interval), /* remaining = */ NULL);
+ continue;
}
- properties = frame.payload.properties.decoded;
- content_type = camqp_bytes_cstring (&properties->content_type);
- if (content_type == NULL)
- {
- ERROR ("amqp plugin: Unable to determine content type.");
- return (-1);
+ if (frame.frame_type != AMQP_FRAME_METHOD) {
+ DEBUG("amqp plugin: Unexpected frame type: %#" PRIx8, frame.frame_type);
+ continue;
}
- status = camqp_read_body (conf,
- (size_t) frame.payload.properties.body_size,
- content_type);
+ if (frame.payload.method.id != AMQP_BASIC_DELIVER_METHOD) {
+ DEBUG("amqp plugin: Unexpected method id: %#" PRIx32,
+ frame.payload.method.id);
+ continue;
+ }
- sfree (content_type);
- return (status);
-} /* }}} int camqp_read_header */
+ camqp_read_header(conf);
-static void *camqp_subscribe_thread (void *user_data) /* {{{ */
-{
- camqp_config_t *conf = user_data;
- int status;
-
- cdtime_t interval = plugin_get_interval ();
-
- while (subscriber_threads_running)
- {
- amqp_frame_t frame;
-
- status = camqp_connect (conf);
- if (status != 0)
- {
- struct timespec ts_interval;
- ERROR ("amqp plugin: camqp_connect failed. "
- "Will sleep for %.3f seconds.",
- CDTIME_T_TO_DOUBLE (interval));
- CDTIME_T_TO_TIMESPEC (interval, &ts_interval);
- nanosleep (&ts_interval, /* remaining = */ NULL);
- continue;
- }
-
- status = amqp_simple_wait_frame (conf->connection, &frame);
- if (status < 0)
- {
- struct timespec ts_interval;
- ERROR ("amqp plugin: amqp_simple_wait_frame failed. "
- "Will sleep for %.3f seconds.",
- CDTIME_T_TO_DOUBLE (interval));
- camqp_close_connection (conf);
- CDTIME_T_TO_TIMESPEC (interval, &ts_interval);
- nanosleep (&ts_interval, /* remaining = */ NULL);
- continue;
- }
-
- if (frame.frame_type != AMQP_FRAME_METHOD)
- {
- DEBUG ("amqp plugin: Unexpected frame type: %#"PRIx8,
- frame.frame_type);
- continue;
- }
-
- if (frame.payload.method.id != AMQP_BASIC_DELIVER_METHOD)
- {
- DEBUG ("amqp plugin: Unexpected method id: %#"PRIx32,
- frame.payload.method.id);
- continue;
- }
-
- camqp_read_header (conf);
-
- amqp_maybe_release_buffers (conf->connection);
- } /* while (subscriber_threads_running) */
-
- camqp_config_free (conf);
- pthread_exit (NULL);
- return (NULL);
+ amqp_maybe_release_buffers(conf->connection);
+ } /* while (subscriber_threads_running) */
+
+ camqp_config_free(conf);
+ pthread_exit(NULL);
+ return NULL;
} /* }}} void *camqp_subscribe_thread */
-static int camqp_subscribe_init (camqp_config_t *conf) /* {{{ */
+static int camqp_subscribe_init(camqp_config_t *conf) /* {{{ */
{
- int status;
- pthread_t *tmp;
-
- tmp = realloc (subscriber_threads,
- sizeof (*subscriber_threads) * (subscriber_threads_num + 1));
- if (tmp == NULL)
- {
- ERROR ("amqp plugin: realloc failed.");
- sfree (subscriber_threads);
- return (ENOMEM);
- }
- subscriber_threads = tmp;
- tmp = subscriber_threads + subscriber_threads_num;
- memset (tmp, 0, sizeof (*tmp));
-
- status = plugin_thread_create (tmp, /* attr = */ NULL,
- camqp_subscribe_thread, conf);
- if (status != 0)
- {
- char errbuf[1024];
- ERROR ("amqp plugin: pthread_create failed: %s",
- sstrerror (status, errbuf, sizeof (errbuf)));
- return (status);
- }
-
- subscriber_threads_num++;
-
- return (0);
+ int status;
+ pthread_t *tmp;
+
+ tmp = realloc(subscriber_threads,
+ sizeof(*subscriber_threads) * (subscriber_threads_num + 1));
+ if (tmp == NULL) {
+ ERROR("amqp plugin: realloc failed.");
+ sfree(subscriber_threads);
+ return ENOMEM;
+ }
+ subscriber_threads = tmp;
+ tmp = subscriber_threads + subscriber_threads_num;
+ memset(tmp, 0, sizeof(*tmp));
+
+ status = plugin_thread_create(tmp, /* attr = */ NULL, camqp_subscribe_thread,
+ conf, "amqp subscribe");
+ if (status != 0) {
+ char errbuf[1024];
+ ERROR("amqp plugin: pthread_create failed: %s",
+ sstrerror(status, errbuf, sizeof(errbuf)));
+ return status;
+ }
+
+ subscriber_threads_num++;
+
+ return 0;
} /* }}} int camqp_subscribe_init */
/*
* Publishing code
*/
/* XXX: You must hold "conf->lock" when calling this function! */
-static int camqp_write_locked (camqp_config_t *conf, /* {{{ */
- const char *buffer, const char *routing_key)
-{
- int status;
-
- status = camqp_connect (conf);
- if (status != 0)
- return (status);
-
- amqp_basic_properties_t props = {
- ._flags = AMQP_BASIC_CONTENT_TYPE_FLAG
- | AMQP_BASIC_DELIVERY_MODE_FLAG
- | AMQP_BASIC_APP_ID_FLAG,
- .delivery_mode = conf->delivery_mode,
- .app_id = amqp_cstring_bytes("collectd")
- };
-
- if (conf->format == CAMQP_FORMAT_COMMAND)
- props.content_type = amqp_cstring_bytes("text/collectd");
- else if (conf->format == CAMQP_FORMAT_JSON)
- props.content_type = amqp_cstring_bytes("application/json");
- else if (conf->format == CAMQP_FORMAT_GRAPHITE)
- props.content_type = amqp_cstring_bytes("text/graphite");
- else
- assert (23 == 42);
-
- status = amqp_basic_publish(conf->connection,
- /* channel = */ 1,
- amqp_cstring_bytes(CONF(conf, exchange)),
- amqp_cstring_bytes (routing_key),
- /* mandatory = */ 0,
- /* immediate = */ 0,
- &props,
- amqp_cstring_bytes(buffer));
- if (status != 0)
- {
- ERROR ("amqp plugin: amqp_basic_publish failed with status %i.",
- status);
- camqp_close_connection (conf);
- }
-
- return (status);
+static int camqp_write_locked(camqp_config_t *conf, /* {{{ */
+ const char *buffer, const char *routing_key) {
+ int status;
+
+ status = camqp_connect(conf);
+ if (status != 0)
+ return status;
+
+ amqp_basic_properties_t props = {._flags = AMQP_BASIC_CONTENT_TYPE_FLAG |
+ AMQP_BASIC_DELIVERY_MODE_FLAG |
+ AMQP_BASIC_APP_ID_FLAG,
+ .delivery_mode = conf->delivery_mode,
+ .app_id = amqp_cstring_bytes("collectd")};
+
+ if (conf->format == CAMQP_FORMAT_COMMAND)
+ props.content_type = amqp_cstring_bytes("text/collectd");
+ else if (conf->format == CAMQP_FORMAT_JSON)
+ props.content_type = amqp_cstring_bytes("application/json");
+ else if (conf->format == CAMQP_FORMAT_GRAPHITE)
+ props.content_type = amqp_cstring_bytes("text/graphite");
+ else
+ assert(23 == 42);
+
+ status = amqp_basic_publish(
+ conf->connection,
+ /* channel = */ 1, amqp_cstring_bytes(CONF(conf, exchange)),
+ amqp_cstring_bytes(routing_key),
+ /* mandatory = */ 0,
+ /* immediate = */ 0, &props, amqp_cstring_bytes(buffer));
+ if (status != 0) {
+ ERROR("amqp plugin: amqp_basic_publish failed with status %i.", status);
+ camqp_close_connection(conf);
+ }
+
+ return status;
} /* }}} int camqp_write_locked */
-static int camqp_write (const data_set_t *ds, const value_list_t *vl, /* {{{ */
- user_data_t *user_data)
-{
- camqp_config_t *conf = user_data->data;
- char routing_key[6 * DATA_MAX_NAME_LEN];
- char buffer[8192];
- int status;
-
- if ((ds == NULL) || (vl == NULL) || (conf == NULL))
- return (EINVAL);
-
- if (conf->routing_key != NULL)
- {
- sstrncpy (routing_key, conf->routing_key, sizeof (routing_key));
- }
- else
- {
- ssnprintf (routing_key, sizeof (routing_key), "collectd/%s/%s/%s/%s/%s",
- vl->host,
- vl->plugin, vl->plugin_instance,
- vl->type, vl->type_instance);
-
- /* Switch slashes (the only character forbidden by collectd) and dots
- * (the separation character used by AMQP). */
- for (size_t i = 0; routing_key[i] != 0; i++)
- {
- if (routing_key[i] == '.')
- routing_key[i] = '/';
- else if (routing_key[i] == '/')
- routing_key[i] = '.';
- }
+static int camqp_write(const data_set_t *ds, const value_list_t *vl, /* {{{ */
+ user_data_t *user_data) {
+ camqp_config_t *conf = user_data->data;
+ char routing_key[6 * DATA_MAX_NAME_LEN];
+ char buffer[8192];
+ int status;
+
+ if ((ds == NULL) || (vl == NULL) || (conf == NULL))
+ return EINVAL;
+
+ if (conf->routing_key != NULL) {
+ sstrncpy(routing_key, conf->routing_key, sizeof(routing_key));
+ } else {
+ snprintf(routing_key, sizeof(routing_key), "collectd/%s/%s/%s/%s/%s",
+ vl->host, vl->plugin, vl->plugin_instance, vl->type,
+ vl->type_instance);
+
+ /* Switch slashes (the only character forbidden by collectd) and dots
+ * (the separation character used by AMQP). */
+ for (size_t i = 0; routing_key[i] != 0; i++) {
+ if (routing_key[i] == '.')
+ routing_key[i] = '/';
+ else if (routing_key[i] == '/')
+ routing_key[i] = '.';
}
+ }
- if (conf->format == CAMQP_FORMAT_COMMAND)
- {
- status = create_putval (buffer, sizeof (buffer), ds, vl);
- if (status != 0)
- {
- ERROR ("amqp plugin: create_putval failed with status %i.",
- status);
- return (status);
- }
- }
- else if (conf->format == CAMQP_FORMAT_JSON)
- {
- size_t bfree = sizeof (buffer);
- size_t bfill = 0;
-
- format_json_initialize (buffer, &bfill, &bfree);
- format_json_value_list (buffer, &bfill, &bfree, ds, vl, conf->store_rates);
- format_json_finalize (buffer, &bfill, &bfree);
- }
- else if (conf->format == CAMQP_FORMAT_GRAPHITE)
- {
- status = format_graphite (buffer, sizeof (buffer), ds, vl,
- conf->prefix, conf->postfix, conf->escape_char,
- conf->graphite_flags);
- if (status != 0)
- {
- ERROR ("amqp plugin: format_graphite failed with status %i.",
- status);
- return (status);
- }
+ if (conf->format == CAMQP_FORMAT_COMMAND) {
+ status = cmd_create_putval(buffer, sizeof(buffer), ds, vl);
+ if (status != 0) {
+ ERROR("amqp plugin: cmd_create_putval failed with status %i.", status);
+ return status;
}
- else
- {
- ERROR ("amqp plugin: Invalid format (%i).", conf->format);
- return (-1);
+ } else if (conf->format == CAMQP_FORMAT_JSON) {
+ size_t bfree = sizeof(buffer);
+ size_t bfill = 0;
+
+ format_json_initialize(buffer, &bfill, &bfree);
+ format_json_value_list(buffer, &bfill, &bfree, ds, vl, conf->store_rates);
+ format_json_finalize(buffer, &bfill, &bfree);
+ } else if (conf->format == CAMQP_FORMAT_GRAPHITE) {
+ status =
+ format_graphite(buffer, sizeof(buffer), ds, vl, conf->prefix,
+ conf->postfix, conf->escape_char, conf->graphite_flags);
+ if (status != 0) {
+ ERROR("amqp plugin: format_graphite failed with status %i.", status);
+ return status;
}
+ } else {
+ ERROR("amqp plugin: Invalid format (%i).", conf->format);
+ return -1;
+ }
- pthread_mutex_lock (&conf->lock);
- status = camqp_write_locked (conf, buffer, routing_key);
- pthread_mutex_unlock (&conf->lock);
+ pthread_mutex_lock(&conf->lock);
+ status = camqp_write_locked(conf, buffer, routing_key);
+ pthread_mutex_unlock(&conf->lock);
- return (status);
+ return status;
} /* }}} int camqp_write */
/*
* Config handling
*/
-static int camqp_config_set_format (oconfig_item_t *ci, /* {{{ */
- camqp_config_t *conf)
-{
- char *string;
- int status;
-
- string = NULL;
- status = cf_util_get_string (ci, &string);
- if (status != 0)
- return (status);
-
- assert (string != NULL);
- if (strcasecmp ("Command", string) == 0)
- conf->format = CAMQP_FORMAT_COMMAND;
- else if (strcasecmp ("JSON", string) == 0)
- conf->format = CAMQP_FORMAT_JSON;
- else if (strcasecmp ("Graphite", string) == 0)
- conf->format = CAMQP_FORMAT_GRAPHITE;
- else
- {
- WARNING ("amqp plugin: Invalid format string: %s",
- string);
- }
-
- free (string);
-
- return (0);
-} /* }}} int config_set_string */
-
-static int camqp_config_connection (oconfig_item_t *ci, /* {{{ */
- _Bool publish)
-{
- camqp_config_t *conf;
- int status;
-
- conf = calloc (1, sizeof (*conf));
- if (conf == NULL)
- {
- ERROR ("amqp plugin: calloc failed.");
- return (ENOMEM);
- }
-
- /* Initialize "conf" {{{ */
- conf->publish = publish;
- conf->name = NULL;
+static int camqp_config_set_format(oconfig_item_t *ci, /* {{{ */
+ camqp_config_t *conf) {
+ char *string;
+ int status;
+
+ string = NULL;
+ status = cf_util_get_string(ci, &string);
+ if (status != 0)
+ return status;
+
+ assert(string != NULL);
+ if (strcasecmp("Command", string) == 0)
conf->format = CAMQP_FORMAT_COMMAND;
- conf->host = NULL;
- conf->port = 5672;
- conf->vhost = NULL;
- conf->user = NULL;
- conf->password = NULL;
- conf->exchange = NULL;
- conf->routing_key = NULL;
- conf->connection_retry_delay = 0;
-
- /* publish only */
- conf->delivery_mode = CAMQP_DM_VOLATILE;
- conf->store_rates = 0;
- conf->graphite_flags = 0;
- /* publish & graphite only */
- conf->prefix = NULL;
- conf->postfix = NULL;
- conf->escape_char = '_';
- /* subscribe only */
- conf->exchange_type = NULL;
- conf->queue = NULL;
- conf->queue_durable = 0;
- conf->queue_auto_delete = 1;
- /* general */
- conf->connection = NULL;
- pthread_mutex_init (&conf->lock, /* attr = */ NULL);
- /* }}} */
+ else if (strcasecmp("JSON", string) == 0)
+ conf->format = CAMQP_FORMAT_JSON;
+ else if (strcasecmp("Graphite", string) == 0)
+ conf->format = CAMQP_FORMAT_GRAPHITE;
+ else {
+ WARNING("amqp plugin: Invalid format string: %s", string);
+ }
- status = cf_util_get_string (ci, &conf->name);
- if (status != 0)
- {
- sfree (conf);
- return (status);
- }
+ free(string);
- for (int i = 0; i < ci->children_num; i++)
- {
- oconfig_item_t *child = ci->children + i;
-
- if (strcasecmp ("Host", child->key) == 0)
- status = cf_util_get_string (child, &conf->host);
- else if (strcasecmp ("Port", child->key) == 0)
- {
- status = cf_util_get_port_number (child);
- if (status > 0)
- {
- conf->port = status;
- status = 0;
- }
- }
- else if (strcasecmp ("VHost", child->key) == 0)
- status = cf_util_get_string (child, &conf->vhost);
- else if (strcasecmp ("User", child->key) == 0)
- status = cf_util_get_string (child, &conf->user);
- else if (strcasecmp ("Password", child->key) == 0)
- status = cf_util_get_string (child, &conf->password);
- else if (strcasecmp ("Exchange", child->key) == 0)
- status = cf_util_get_string (child, &conf->exchange);
- else if ((strcasecmp ("ExchangeType", child->key) == 0) && !publish)
- status = cf_util_get_string (child, &conf->exchange_type);
- else if ((strcasecmp ("Queue", child->key) == 0) && !publish)
- status = cf_util_get_string (child, &conf->queue);
- else if ((strcasecmp ("QueueDurable", child->key) == 0) && !publish)
- status = cf_util_get_boolean (child, &conf->queue_durable);
- else if ((strcasecmp ("QueueAutoDelete", child->key) == 0) && !publish)
- status = cf_util_get_boolean (child, &conf->queue_auto_delete);
- else if (strcasecmp ("RoutingKey", child->key) == 0)
- status = cf_util_get_string (child, &conf->routing_key);
- else if ((strcasecmp ("Persistent", child->key) == 0) && publish)
- {
- _Bool tmp = 0;
- status = cf_util_get_boolean (child, &tmp);
- if (tmp)
- conf->delivery_mode = CAMQP_DM_PERSISTENT;
- else
- conf->delivery_mode = CAMQP_DM_VOLATILE;
- }
- else if ((strcasecmp ("StoreRates", child->key) == 0) && publish)
- {
- status = cf_util_get_boolean (child, &conf->store_rates);
- (void) cf_util_get_flag (child, &conf->graphite_flags,
- GRAPHITE_STORE_RATES);
- }
- else if ((strcasecmp ("Format", child->key) == 0) && publish)
- status = camqp_config_set_format (child, conf);
- else if ((strcasecmp ("GraphiteSeparateInstances", child->key) == 0) && publish)
- status = cf_util_get_flag (child, &conf->graphite_flags,
- GRAPHITE_SEPARATE_INSTANCES);
- else if ((strcasecmp ("GraphiteAlwaysAppendDS", child->key) == 0) && publish)
- status = cf_util_get_flag (child, &conf->graphite_flags,
- GRAPHITE_ALWAYS_APPEND_DS);
- else if ((strcasecmp ("GraphitePrefix", child->key) == 0) && publish)
- status = cf_util_get_string (child, &conf->prefix);
- else if ((strcasecmp ("GraphitePostfix", child->key) == 0) && publish)
- status = cf_util_get_string (child, &conf->postfix);
- else if ((strcasecmp ("GraphiteEscapeChar", child->key) == 0) && publish)
- {
- char *tmp_buff = NULL;
- status = cf_util_get_string (child, &tmp_buff);
- if (strlen (tmp_buff) > 1)
- WARNING ("amqp plugin: The option \"GraphiteEscapeChar\" handles "
- "only one character. Others will be ignored.");
- conf->escape_char = tmp_buff[0];
- sfree (tmp_buff);
- }
- else if (strcasecmp ("ConnectionRetryDelay", child->key) == 0)
- status = cf_util_get_int (child, &conf->connection_retry_delay);
- else
- WARNING ("amqp plugin: Ignoring unknown "
- "configuration option \"%s\".", child->key);
-
- if (status != 0)
- break;
- } /* for (i = 0; i < ci->children_num; i++) */
-
- if ((status == 0) && (conf->exchange == NULL))
- {
- if (conf->exchange_type != NULL)
- WARNING ("amqp plugin: The option \"ExchangeType\" was given "
- "without the \"Exchange\" option. It will be ignored.");
-
- if (!publish && (conf->routing_key != NULL))
- WARNING ("amqp plugin: The option \"RoutingKey\" was given "
- "without the \"Exchange\" option. It will be ignored.");
+ return 0;
+} /* }}} int config_set_string */
- }
+static int camqp_config_connection(oconfig_item_t *ci, /* {{{ */
+ _Bool publish) {
+ camqp_config_t *conf;
+ int status;
+
+ conf = calloc(1, sizeof(*conf));
+ if (conf == NULL) {
+ ERROR("amqp plugin: calloc failed.");
+ return ENOMEM;
+ }
+
+ /* Initialize "conf" {{{ */
+ conf->publish = publish;
+ conf->name = NULL;
+ conf->format = CAMQP_FORMAT_COMMAND;
+ conf->host = NULL;
+ conf->port = 5672;
+ conf->vhost = NULL;
+ conf->user = NULL;
+ conf->password = NULL;
+ conf->exchange = NULL;
+ conf->routing_key = NULL;
+ conf->connection_retry_delay = 0;
+
+ /* publish only */
+ conf->delivery_mode = CAMQP_DM_VOLATILE;
+ conf->store_rates = 0;
+ conf->graphite_flags = 0;
+ /* publish & graphite only */
+ conf->prefix = NULL;
+ conf->postfix = NULL;
+ conf->escape_char = '_';
+ /* subscribe only */
+ conf->exchange_type = NULL;
+ conf->queue = NULL;
+ conf->queue_durable = 0;
+ conf->queue_auto_delete = 1;
+ /* general */
+ conf->connection = NULL;
+ pthread_mutex_init(&conf->lock, /* attr = */ NULL);
+ /* }}} */
+
+ status = cf_util_get_string(ci, &conf->name);
+ if (status != 0) {
+ sfree(conf);
+ return status;
+ }
+
+ for (int i = 0; i < ci->children_num; i++) {
+ oconfig_item_t *child = ci->children + i;
+
+ if (strcasecmp("Host", child->key) == 0)
+ status = cf_util_get_string(child, &conf->host);
+ else if (strcasecmp("Port", child->key) == 0) {
+ status = cf_util_get_port_number(child);
+ if (status > 0) {
+ conf->port = status;
+ status = 0;
+ }
+ } else if (strcasecmp("VHost", child->key) == 0)
+ status = cf_util_get_string(child, &conf->vhost);
+ else if (strcasecmp("User", child->key) == 0)
+ status = cf_util_get_string(child, &conf->user);
+ else if (strcasecmp("Password", child->key) == 0)
+ status = cf_util_get_string(child, &conf->password);
+ else if (strcasecmp("Exchange", child->key) == 0)
+ status = cf_util_get_string(child, &conf->exchange);
+ else if (strcasecmp("ExchangeType", child->key) == 0)
+ status = cf_util_get_string(child, &conf->exchange_type);
+ else if ((strcasecmp("Queue", child->key) == 0) && !publish)
+ status = cf_util_get_string(child, &conf->queue);
+ else if ((strcasecmp("QueueDurable", child->key) == 0) && !publish)
+ status = cf_util_get_boolean(child, &conf->queue_durable);
+ else if ((strcasecmp("QueueAutoDelete", child->key) == 0) && !publish)
+ status = cf_util_get_boolean(child, &conf->queue_auto_delete);
+ else if (strcasecmp("RoutingKey", child->key) == 0)
+ status = cf_util_get_string(child, &conf->routing_key);
+ else if ((strcasecmp("Persistent", child->key) == 0) && publish) {
+ _Bool tmp = 0;
+ status = cf_util_get_boolean(child, &tmp);
+ if (tmp)
+ conf->delivery_mode = CAMQP_DM_PERSISTENT;
+ else
+ conf->delivery_mode = CAMQP_DM_VOLATILE;
+ } else if ((strcasecmp("StoreRates", child->key) == 0) && publish) {
+ status = cf_util_get_boolean(child, &conf->store_rates);
+ (void)cf_util_get_flag(child, &conf->graphite_flags,
+ GRAPHITE_STORE_RATES);
+ } else if ((strcasecmp("Format", child->key) == 0) && publish)
+ status = camqp_config_set_format(child, conf);
+ else if ((strcasecmp("GraphiteSeparateInstances", child->key) == 0) &&
+ publish)
+ status = cf_util_get_flag(child, &conf->graphite_flags,
+ GRAPHITE_SEPARATE_INSTANCES);
+ else if ((strcasecmp("GraphiteAlwaysAppendDS", child->key) == 0) && publish)
+ status = cf_util_get_flag(child, &conf->graphite_flags,
+ GRAPHITE_ALWAYS_APPEND_DS);
+ else if ((strcasecmp("GraphitePreserveSeparator", child->key) == 0) &&
+ publish)
+ status = cf_util_get_flag(child, &conf->graphite_flags,
+ GRAPHITE_PRESERVE_SEPARATOR);
+ else if ((strcasecmp("GraphitePrefix", child->key) == 0) && publish)
+ status = cf_util_get_string(child, &conf->prefix);
+ else if ((strcasecmp("GraphitePostfix", child->key) == 0) && publish)
+ status = cf_util_get_string(child, &conf->postfix);
+ else if ((strcasecmp("GraphiteEscapeChar", child->key) == 0) && publish) {
+ char *tmp_buff = NULL;
+ status = cf_util_get_string(child, &tmp_buff);
+ if (strlen(tmp_buff) > 1)
+ WARNING("amqp plugin: The option \"GraphiteEscapeChar\" handles "
+ "only one character. Others will be ignored.");
+ conf->escape_char = tmp_buff[0];
+ sfree(tmp_buff);
+ } else if (strcasecmp("ConnectionRetryDelay", child->key) == 0)
+ status = cf_util_get_int(child, &conf->connection_retry_delay);
+ else
+ WARNING("amqp plugin: Ignoring unknown "
+ "configuration option \"%s\".",
+ child->key);
if (status != 0)
- {
- camqp_config_free (conf);
- return (status);
+ break;
+ } /* for (i = 0; i < ci->children_num; i++) */
+
+ if ((status == 0) && (conf->exchange == NULL)) {
+ if (conf->exchange_type != NULL)
+ WARNING("amqp plugin: The option \"ExchangeType\" was given "
+ "without the \"Exchange\" option. It will be ignored.");
+
+ if (!publish && (conf->routing_key != NULL))
+ WARNING("amqp plugin: The option \"RoutingKey\" was given "
+ "without the \"Exchange\" option. It will be ignored.");
+ }
+
+ if (status != 0) {
+ camqp_config_free(conf);
+ return status;
+ }
+
+ if (conf->exchange != NULL) {
+ DEBUG("amqp plugin: camqp_config_connection: exchange = %s;",
+ conf->exchange);
+ }
+
+ if (publish) {
+ char cbname[128];
+ snprintf(cbname, sizeof(cbname), "amqp/%s", conf->name);
+
+ status =
+ plugin_register_write(cbname, camqp_write,
+ &(user_data_t){
+ .data = conf, .free_func = camqp_config_free,
+ });
+ if (status != 0) {
+ camqp_config_free(conf);
+ return status;
}
-
- if (conf->exchange != NULL)
- {
- DEBUG ("amqp plugin: camqp_config_connection: exchange = %s;",
- conf->exchange);
+ } else {
+ status = camqp_subscribe_init(conf);
+ if (status != 0) {
+ camqp_config_free(conf);
+ return status;
}
+ }
- if (publish)
- {
- char cbname[128];
- user_data_t ud = { conf, camqp_config_free };
+ return 0;
+} /* }}} int camqp_config_connection */
- ssnprintf (cbname, sizeof (cbname), "amqp/%s", conf->name);
+static int camqp_config(oconfig_item_t *ci) /* {{{ */
+{
+ for (int i = 0; i < ci->children_num; i++) {
+ oconfig_item_t *child = ci->children + i;
- status = plugin_register_write (cbname, camqp_write, &ud);
- if (status != 0)
- {
- camqp_config_free (conf);
- return (status);
- }
- }
+ if (strcasecmp("Publish", child->key) == 0)
+ camqp_config_connection(child, /* publish = */ 1);
+ else if (strcasecmp("Subscribe", child->key) == 0)
+ camqp_config_connection(child, /* publish = */ 0);
else
- {
- status = camqp_subscribe_init (conf);
- if (status != 0)
- {
- camqp_config_free (conf);
- return (status);
- }
- }
-
- return (0);
-} /* }}} int camqp_config_connection */
+ WARNING("amqp plugin: Ignoring unknown config option \"%s\".",
+ child->key);
+ } /* for (ci->children_num) */
-static int camqp_config (oconfig_item_t *ci) /* {{{ */
-{
- for (int i = 0; i < ci->children_num; i++)
- {
- oconfig_item_t *child = ci->children + i;
-
- if (strcasecmp ("Publish", child->key) == 0)
- camqp_config_connection (child, /* publish = */ 1);
- else if (strcasecmp ("Subscribe", child->key) == 0)
- camqp_config_connection (child, /* publish = */ 0);
- else
- WARNING ("amqp plugin: Ignoring unknown config option \"%s\".",
- child->key);
- } /* for (ci->children_num) */
-
- return (0);
+ return 0;
} /* }}} int camqp_config */
-void module_register (void)
-{
- plugin_register_complex_config ("amqp", camqp_config);
- plugin_register_shutdown ("amqp", camqp_shutdown);
+void module_register(void) {
+ plugin_register_complex_config("amqp", camqp_config);
+ plugin_register_shutdown("amqp", camqp_shutdown);
} /* void module_register */
-
-/* vim: set sw=4 sts=4 et fdm=marker : */
projects / collectd.git / blobdiff