# define RRDD_LOG(severity, ...) syslog ((severity), __VA_ARGS__)
#endif
+#define DEFAULT_PORT "42217"
+
/*
* Types
*/
static pthread_mutex_t cache_lock = PTHREAD_MUTEX_INITIALIZER;
static pthread_cond_t cache_cond = PTHREAD_COND_INITIALIZER;
+static int config_write_interval = 300;
+static int config_flush_interval = 3600;
+
+static char **config_listen_address_list = NULL;
+static int config_listen_address_list_len = 0;
+
/*
* Functions
*/
RRDD_LOG (LOG_DEBUG, "queue_thread_main: rrd_update (%s, %i, %p)",
file, values_num, (void *) values);
- status = rrd_update_r (file, NULL, values_num, values);
+ status = rrd_update_r (file, NULL, values_num, (void *) values);
if (status != 0)
{
RRDD_LOG (LOG_ERR, "queue_thread_main: "
char *value;
char *buffer_ptr;
int values_num = 0;
+ int status;
time_t now;
values_num++;
}
- /* FIXME: Timeout should not be hard-coded. */
- if (((now - ci->last_flush_time) > 300)
+ if (((now - ci->last_flush_time) >= config_write_interval)
&& ((ci->flags & CI_FLAGS_IN_QUEUE) == 0))
{
RRDD_LOG (LOG_DEBUG, "handle_request_update: Adding %s to the update queue.",
snprintf (answer, sizeof (answer), "0 Enqueued %i value(s)\n", values_num);
answer[sizeof (answer) - 1] = 0;
- write (fd, answer, sizeof (answer));
+ status = write (fd, answer, sizeof (answer));
+ if (status < 0)
+ {
+ status = errno;
+ RRDD_LOG (LOG_INFO, "handle_request_update: write(2) returned an error.");
+ return (status);
+ }
return (0);
} /* }}} int handle_request_update */
if ((pollfd.revents & POLLHUP) != 0) /* normal shutdown */
{
+ RRDD_LOG (LOG_DEBUG, "connection_thread_main: "
+ "poll(2) returned POLLHUP.");
close (fd);
break;
}
else if ((pollfd.revents & (POLLIN | POLLPRI)) == 0)
{
- RRDD_LOG (LOG_WARNING, "connection_thread_main: poll(2) returned "
- "something unexpected.");
+ RRDD_LOG (LOG_WARNING, "connection_thread_main: "
+ "poll(2) returned something unexpected: %#04hx",
+ pollfd.revents);
close (fd);
break;
}
return (NULL);
} /* }}} void *connection_thread_main */
-static int open_listen_socket (const char *path) /* {{{ */
+static int open_listen_socket_unix (const char *path) /* {{{ */
{
int fd;
struct sockaddr_un sa;
sizeof (listen_fds[0]) * (listen_fds_num + 1));
if (temp == NULL)
{
- RRDD_LOG (LOG_ERR, "open_listen_socket: realloc failed.");
+ RRDD_LOG (LOG_ERR, "open_listen_socket_unix: realloc failed.");
return (-1);
}
listen_fds = temp;
fd = socket (PF_UNIX, SOCK_STREAM, /* protocol = */ 0);
if (fd < 0)
{
- RRDD_LOG (LOG_ERR, "open_listen_socket: socket(2) failed.");
+ RRDD_LOG (LOG_ERR, "open_listen_socket_unix: socket(2) failed.");
return (-1);
}
status = bind (fd, (struct sockaddr *) &sa, sizeof (sa));
if (status != 0)
{
- RRDD_LOG (LOG_ERR, "open_listen_socket: bind(2) failed.");
+ RRDD_LOG (LOG_ERR, "open_listen_socket_unix: bind(2) failed.");
close (fd);
unlink (path);
return (-1);
status = listen (fd, /* backlog = */ 10);
if (status != 0)
{
- RRDD_LOG (LOG_ERR, "open_listen_socket: listen(2) failed.");
+ RRDD_LOG (LOG_ERR, "open_listen_socket_unix: listen(2) failed.");
close (fd);
unlink (path);
return (-1);
listen_fds_num++;
return (0);
+} /* }}} int open_listen_socket_unix */
+
+static int open_listen_socket (const char *addr) /* {{{ */
+{
+ struct addrinfo ai_hints;
+ struct addrinfo *ai_res;
+ struct addrinfo *ai_ptr;
+ int status;
+
+ assert (addr != NULL);
+
+ if (strncmp ("unix:", addr, strlen ("unix:")) == 0)
+ return (open_listen_socket_unix (addr + strlen ("unix:")));
+ else if (addr[0] == '/')
+ return (open_listen_socket_unix (addr));
+
+ memset (&ai_hints, 0, sizeof (ai_hints));
+ ai_hints.ai_flags = 0;
+#ifdef AI_ADDRCONFIG
+ ai_hints.ai_flags |= AI_ADDRCONFIG;
+#endif
+ ai_hints.ai_family = AF_UNSPEC;
+ ai_hints.ai_socktype = SOCK_STREAM;
+
+ ai_res = NULL;
+ status = getaddrinfo (addr, DEFAULT_PORT, &ai_hints, &ai_res);
+ if (status != 0)
+ {
+ RRDD_LOG (LOG_ERR, "open_listen_socket: getaddrinfo(%s) failed: "
+ "%s", addr, gai_strerror (status));
+ return (-1);
+ }
+
+ for (ai_ptr = ai_res; ai_ptr != NULL; ai_ptr = ai_ptr->ai_next)
+ {
+ int fd;
+ struct sockaddr_storage sa;
+ listen_socket_t *temp;
+
+ temp = (listen_socket_t *) realloc (listen_fds,
+ sizeof (listen_fds[0]) * (listen_fds_num + 1));
+ if (temp == NULL)
+ {
+ RRDD_LOG (LOG_ERR, "open_listen_socket: realloc failed.");
+ continue;
+ }
+ listen_fds = temp;
+ memset (listen_fds + listen_fds_num, 0, sizeof (listen_fds[0]));
+
+ fd = socket (ai_ptr->ai_family, ai_ptr->ai_socktype, ai_ptr->ai_protocol);
+ if (fd < 0)
+ {
+ RRDD_LOG (LOG_ERR, "open_listen_socket: socket(2) failed.");
+ continue;
+ }
+
+ status = bind (fd, ai_ptr->ai_addr, ai_ptr->ai_addrlen);
+ if (status != 0)
+ {
+ RRDD_LOG (LOG_ERR, "open_listen_socket: bind(2) failed.");
+ close (fd);
+ continue;
+ }
+
+ status = listen (fd, /* backlog = */ 10);
+ if (status != 0)
+ {
+ RRDD_LOG (LOG_ERR, "open_listen_socket: listen(2) failed.");
+ close (fd);
+ return (-1);
+ }
+
+ listen_fds[listen_fds_num].fd = fd;
+ strncpy (listen_fds[listen_fds_num].path, addr,
+ sizeof (listen_fds[listen_fds_num].path) - 1);
+ listen_fds_num++;
+ } /* for (ai_ptr) */
+
+ return (0);
} /* }}} int open_listen_socket */
static int close_listen_sockets (void) /* {{{ */
int status;
int i;
- status = open_listen_socket (RRDD_SOCK_PATH);
- if (status != 0)
+ for (i = 0; i < config_listen_address_list_len; i++)
{
- RRDD_LOG (LOG_ERR, "listen_thread_main: open_listen_socket failed.");
+ RRDD_LOG (LOG_DEBUG, "listen_thread_main: config_listen_address_list[%i] "
+ "= %s", i, config_listen_address_list[i]);
+ open_listen_socket (config_listen_address_list[i]);
+ }
+
+ if (listen_fds_num < 1)
+ {
+ RRDD_LOG (LOG_ERR, "listen_thread_main: No listen sockets "
+ "could be opened. Sorry.");
return (NULL);
}
while (do_shutdown == 0)
{
int *client_sd;
- struct sockaddr_un client_sa;
+ struct sockaddr_storage client_sa;
socklen_t client_sa_size;
pthread_t tid;
return (0);
} /* }}} int cleanup */
+static int read_options (int argc, char **argv) /* {{{ */
+{
+ int option;
+ int status = 0;
+
+ while ((option = getopt(argc, argv, "l:f:w:h?")) != -1)
+ {
+ switch (option)
+ {
+ case 'l':
+ {
+ char **temp;
+
+ temp = (char **) realloc (config_listen_address_list,
+ sizeof (char *) * (config_listen_address_list_len + 1));
+ if (temp == NULL)
+ {
+ fprintf (stderr, "read_options: realloc failed.\n");
+ return (2);
+ }
+ config_listen_address_list = temp;
+
+ temp[config_listen_address_list_len] = strdup (optarg);
+ if (temp[config_listen_address_list_len] == NULL)
+ {
+ fprintf (stderr, "read_options: strdup failed.\n");
+ return (2);
+ }
+ config_listen_address_list_len++;
+ }
+ break;
+
+ case 'f':
+ {
+ int temp;
+
+ temp = atoi (optarg);
+ if (temp > 0)
+ config_flush_interval = temp;
+ else
+ {
+ fprintf (stderr, "Invalid flush interval: %s\n", optarg);
+ status = 3;
+ }
+ }
+ break;
+
+ case 'w':
+ {
+ int temp;
+
+ temp = atoi (optarg);
+ if (temp > 0)
+ config_write_interval = temp;
+ else
+ {
+ fprintf (stderr, "Invalid write interval: %s\n", optarg);
+ status = 2;
+ }
+ }
+ break;
+
+ case 'h':
+ case '?':
+ printf ("RRDd %s Copyright (C) 2008 Florian octo Forster\n"
+ "\n"
+ "Usage: rrdd [options]\n"
+ "\n"
+ "Valid options are:\n"
+ " -l <address> Socket address to listen to.\n"
+ " -w <seconds> Interval in which to write data.\n"
+ " -f <seconds> Interval in which to flush dead data.\n"
+ "\n"
+ "For more information and a detailed description of all options "
+ "please refer\n"
+ "to the rrdd(1) manual page.\n",
+ PACKAGE_VERSION);
+ status = -1;
+ break;
+ } /* switch (option) */
+ } /* while (getopt) */
+
+ return (status);
+} /* }}} int read_options */
+
int main (int argc, char **argv)
{
int status;
- printf ("%s by Florian Forster, Version %s\n",
- PACKAGE_NAME, PACKAGE_VERSION);
+ status = read_options (argc, argv);
+ if (status != 0)
+ {
+ if (status < 0)
+ status = 0;
+ return (status);
+ }
status = daemonize ();
if (status == 1)