41 #include <sys/types.h>
43 #include <sys/socket.h>
46 #include <sys/ioctl.h>
47 #include <sys/param.h>
48 #include <netinet/in.h>
49 #include <arpa/inet.h>
65 #include <qb/qbdefs.h>
66 #include <qb/qbloop.h>
67 #define LOGSYS_UTILS_ONLY 1
80 #define MSG_NOSIGNAL 0
83 #define MCAST_SOCKET_BUFFER_SIZE (TRANSMITS_ALLOWED * FRAME_SIZE_MAX)
84 #define NETIF_STATE_REPORT_UP 1
85 #define NETIF_STATE_REPORT_DOWN 2
87 #define BIND_STATE_UNBOUND 0
88 #define BIND_STATE_REGULAR 1
89 #define BIND_STATE_LOOPBACK 2
120 unsigned int msg_len);
146 const char *
function,
201 static int totemudp_build_sockets (
229 #define log_printf(level, format, args...) \
231 instance->totemudp_log_printf ( \
232 level, instance->totemudp_subsys_id, \
233 __FUNCTION__, __FILE__, __LINE__, \
234 (const char *)format, ##args); \
237 #define LOGSYS_PERROR(err_num, level, fmt, args...) \
239 char _error_str[LOGSYS_MAX_PERROR_MSG_LEN]; \
240 const char *_error_ptr = qb_strerror_r(err_num, _error_str, sizeof(_error_str)); \
241 instance->totemudp_log_printf ( \
242 level, instance->totemudp_subsys_id, \
243 __FUNCTION__, __FILE__, __LINE__, \
244 fmt ": %s (%d)\n", ##args, _error_ptr, err_num); \
249 const char *cipher_type,
250 const char *hash_type)
257 static inline void ucast_sendmsg (
261 unsigned int msg_len)
263 struct msghdr msg_ucast;
267 struct sockaddr_storage sockaddr;
282 (
const unsigned char *)msg,
285 &buf_out_len) != 0) {
290 iovec.iov_base = (
void *)buf_out;
291 iovec.iov_len = buf_out_len;
296 memset(&msg_ucast, 0,
sizeof(msg_ucast));
299 msg_ucast.msg_name = &sockaddr;
300 msg_ucast.msg_namelen = addrlen;
301 msg_ucast.msg_iov = (
void *)&iovec;
302 msg_ucast.msg_iovlen = 1;
303 #ifdef HAVE_MSGHDR_CONTROL
304 msg_ucast.msg_control = 0;
306 #ifdef HAVE_MSGHDR_CONTROLLEN
307 msg_ucast.msg_controllen = 0;
309 #ifdef HAVE_MSGHDR_FLAGS
310 msg_ucast.msg_flags = 0;
312 #ifdef HAVE_MSGHDR_ACCRIGHTS
313 msg_ucast.msg_accrights = NULL;
315 #ifdef HAVE_MSGHDR_ACCRIGHTSLEN
316 msg_ucast.msg_accrightslen = 0;
328 "sendmsg(ucast) failed (non-critical)");
332 static inline void mcast_sendmsg (
335 unsigned int msg_len)
337 struct msghdr msg_mcast;
342 struct sockaddr_storage sockaddr;
356 (
const unsigned char *)msg,
359 &buf_out_len) != 0) {
364 iovec.iov_base = (
void *)&buf_out;
365 iovec.iov_len = buf_out_len;
372 memset(&msg_mcast, 0,
sizeof(msg_mcast));
373 msg_mcast.msg_name = &sockaddr;
374 msg_mcast.msg_namelen = addrlen;
375 msg_mcast.msg_iov = (
void *)&iovec;
376 msg_mcast.msg_iovlen = 1;
377 #ifdef HAVE_MSGHDR_CONTROL
378 msg_mcast.msg_control = 0;
380 #ifdef HAVE_MSGHDR_CONTROLLEN
381 msg_mcast.msg_controllen = 0;
383 #ifdef HAVE_MSGHDR_FLAGS
384 msg_mcast.msg_flags = 0;
386 #ifdef HAVE_MSGHDR_ACCRIGHTS
387 msg_mcast.msg_accrights = NULL;
389 #ifdef HAVE_MSGHDR_ACCRIGHTSLEN
390 msg_mcast.msg_accrightslen = 0;
401 "sendmsg(mcast) failed (non-critical)");
411 msg_mcast.msg_name = NULL;
412 msg_mcast.msg_namelen = 0;
418 "sendmsg(local mcast loop) failed (non-critical)");
456 static int net_deliver_fn (
462 struct msghdr msg_recv;
467 int truncated_packet;
479 msg_recv.msg_namelen =
sizeof (
struct sockaddr_storage);
480 msg_recv.msg_iov = iovec;
481 msg_recv.msg_iovlen = 1;
482 #ifdef HAVE_MSGHDR_CONTROL
483 msg_recv.msg_control = 0;
485 #ifdef HAVE_MSGHDR_CONTROLLEN
486 msg_recv.msg_controllen = 0;
488 #ifdef HAVE_MSGHDR_FLAGS
489 msg_recv.msg_flags = 0;
491 #ifdef HAVE_MSGHDR_ACCRIGHTS
492 msg_recv.msg_accrights = NULL;
494 #ifdef HAVE_MSGHDR_ACCRIGHTSLEN
495 msg_recv.msg_accrightslen = 0;
498 bytes_received = recvmsg (fd, &msg_recv,
MSG_NOSIGNAL | MSG_DONTWAIT);
499 if (bytes_received == -1) {
505 truncated_packet = 0;
507 #ifdef HAVE_MSGHDR_FLAGS
508 if (msg_recv.msg_flags & MSG_TRUNC) {
509 truncated_packet = 1;
517 truncated_packet = 1;
521 if (truncated_packet) {
523 "Received too big message. This may be because something bad is happening"
524 "on the network (attack?), or you tried join more nodes than corosync is"
525 "compiled with (%u) or bug in the code (bad estimation of "
537 "Invalid packet data");
541 iovec->iov_len = bytes_received;
555 static int netif_determine (
565 interface_up, interface_num,
577 static void timer_function_netif_check_timeout (
588 netif_determine (instance,
591 &interface_up, &interface_num);
597 interface_up == 0) ||
601 interface_up == 1)) {
607 timer_function_netif_check_timeout,
636 if (interface_up == 0) {
641 bind_address = &localhost;
650 timer_function_netif_check_timeout,
662 (void)totemudp_build_sockets (instance,
672 POLLIN, instance, net_deliver_fn);
678 POLLIN, instance, net_deliver_fn);
684 POLLIN, instance, net_deliver_fn);
694 "The network interface [%s] is now up.",
707 timer_function_netif_check_timeout,
714 "The network interface is down.");
724 static void totemudp_traffic_control_set(
struct totemudp_instance *instance,
int sock)
729 if (setsockopt(sock, SOL_SOCKET, SO_PRIORITY, &prio,
sizeof(
int))) {
735 static int totemudp_build_sockets_ip (
743 struct sockaddr_storage sockaddr;
744 struct ipv6_mreq mreq6;
746 struct sockaddr_storage mcast_ss, boundto_ss;
747 struct sockaddr_in6 *mcast_sin6 = (
struct sockaddr_in6 *)&mcast_ss;
748 struct sockaddr_in *mcast_sin = (
struct sockaddr_in *)&mcast_ss;
749 struct sockaddr_in *boundto_sin = (
struct sockaddr_in *)&boundto_ss;
750 unsigned int sendbuf_size;
751 unsigned int recvbuf_size;
752 unsigned int optlen =
sizeof (sendbuf_size);
753 unsigned int retries;
771 res = fcntl (sockets->
mcast_recv, F_SETFL, O_NONBLOCK);
774 "Could not set non-blocking operation on multicast socket");
782 if ( setsockopt(sockets->
mcast_recv, SOL_SOCKET, SO_REUSEADDR, (
char *)&flag, sizeof (flag)) < 0) {
784 "setsockopt(SO_REUSEADDR) failed");
797 for (i = 0; i < 2; i++) {
802 "Could not set non-blocking operation on multicast socket");
820 res = fcntl (sockets->
mcast_send, F_SETFL, O_NONBLOCK);
823 "Could not set non-blocking operation on multicast socket");
831 if ( setsockopt(sockets->
mcast_send, SOL_SOCKET, SO_REUSEADDR, (
char *)&flag, sizeof (flag)) < 0) {
833 "setsockopt(SO_REUSEADDR) failed");
838 &sockaddr, &addrlen);
842 res = bind (sockets->
mcast_send, (
struct sockaddr *)&sockaddr, addrlen);
847 "Unable to bind the socket to send multicast packets");
864 sockets->
token = socket (bindnet_address->
family, SOCK_DGRAM, 0);
865 if (sockets->
token == -1) {
872 res = fcntl (sockets->
token, F_SETFL, O_NONBLOCK);
875 "Could not set non-blocking operation on token socket");
883 if ( setsockopt(sockets->
token, SOL_SOCKET, SO_REUSEADDR, (
char *)&flag, sizeof (flag)) < 0) {
885 "setsockopt(SO_REUSEADDR) failed");
897 res = bind (sockets->
token, (
struct sockaddr *)&sockaddr, addrlen);
902 "Unable to bind UDP unicast socket");
921 res = setsockopt (sockets->
mcast_recv, SOL_SOCKET, SO_RCVBUF, &recvbuf_size, optlen);
924 "Unable to set SO_RCVBUF size on UDP mcast socket");
927 res = setsockopt (sockets->
mcast_send, SOL_SOCKET, SO_SNDBUF, &sendbuf_size, optlen);
930 "Unable to set SO_SNDBUF size on UDP mcast socket");
933 res = setsockopt (sockets->
local_mcast_loop[0], SOL_SOCKET, SO_RCVBUF, &recvbuf_size, optlen);
936 "Unable to set SO_RCVBUF size on UDP local mcast loop socket");
939 res = setsockopt (sockets->
local_mcast_loop[1], SOL_SOCKET, SO_SNDBUF, &sendbuf_size, optlen);
942 "Unable to set SO_SNDBUF size on UDP local mcast loop socket");
946 res = getsockopt (sockets->
mcast_recv, SOL_SOCKET, SO_RCVBUF, &recvbuf_size, &optlen);
949 "Receive multicast socket recv buffer size (%d bytes).", recvbuf_size);
952 res = getsockopt (sockets->
mcast_send, SOL_SOCKET, SO_SNDBUF, &sendbuf_size, &optlen);
955 "Transmit multicast socket send buffer size (%d bytes).", sendbuf_size);
958 res = getsockopt (sockets->
local_mcast_loop[0], SOL_SOCKET, SO_RCVBUF, &recvbuf_size, &optlen);
961 "Local receive multicast loop socket recv buffer size (%d bytes).", recvbuf_size);
964 res = getsockopt (sockets->
local_mcast_loop[1], SOL_SOCKET, SO_SNDBUF, &sendbuf_size, &optlen);
967 "Local transmit multicast loop socket send buffer size (%d bytes).", sendbuf_size);
978 unsigned int broadcast = 1;
980 if ((setsockopt(sockets->
mcast_recv, SOL_SOCKET,
981 SO_BROADCAST, &broadcast, sizeof (broadcast))) == -1) {
983 "setting broadcast option failed");
986 if ((setsockopt(sockets->
mcast_send, SOL_SOCKET,
987 SO_BROADCAST, &broadcast, sizeof (broadcast))) == -1) {
989 "setting broadcast option failed");
993 switch (bindnet_address->
family) {
995 memset(&mreq, 0,
sizeof(mreq));
996 mreq.imr_multiaddr.s_addr = mcast_sin->sin_addr.s_addr;
997 mreq.imr_interface.s_addr = boundto_sin->sin_addr.s_addr;
998 res = setsockopt (sockets->
mcast_recv, IPPROTO_IP, IP_ADD_MEMBERSHIP,
999 &mreq, sizeof (mreq));
1002 "join ipv4 multicast group failed");
1007 memset(&mreq6, 0,
sizeof(mreq6));
1008 memcpy(&mreq6.ipv6mr_multiaddr, &mcast_sin6->sin6_addr,
sizeof(
struct in6_addr));
1009 mreq6.ipv6mr_interface = interface_num;
1011 res = setsockopt (sockets->
mcast_recv, IPPROTO_IPV6, IPV6_JOIN_GROUP,
1012 &mreq6, sizeof (mreq6));
1015 "join ipv6 multicast group failed");
1027 switch ( bindnet_address->
family ) {
1030 res = setsockopt (sockets->
mcast_send, IPPROTO_IP, IP_MULTICAST_LOOP,
1031 &sflag, sizeof (sflag));
1034 res = setsockopt (sockets->
mcast_send, IPPROTO_IPV6, IPV6_MULTICAST_LOOP,
1035 &flag, sizeof (flag));
1039 "Unable to turn off multicast loopback");
1047 if (bindnet_address->
family == AF_INET6) {
1048 res = setsockopt (sockets->
mcast_send, IPPROTO_IPV6, IPV6_MULTICAST_HOPS,
1049 &flag, sizeof (flag));
1052 "set mcast v6 TTL failed");
1057 res = setsockopt(sockets->
mcast_send, IPPROTO_IP, IP_MULTICAST_TTL,
1058 &sflag,
sizeof(sflag));
1061 "set mcast v4 TTL failed");
1069 switch ( bindnet_address->
family ) {
1071 if (setsockopt (sockets->
mcast_send, IPPROTO_IP, IP_MULTICAST_IF,
1072 &boundto_sin->sin_addr, sizeof (boundto_sin->sin_addr)) < 0) {
1074 "cannot select interface for multicast packets (send)");
1077 if (setsockopt (sockets->
mcast_recv, IPPROTO_IP, IP_MULTICAST_IF,
1078 &boundto_sin->sin_addr, sizeof (boundto_sin->sin_addr)) < 0) {
1080 "cannot select interface for multicast packets (recv)");
1085 if (setsockopt (sockets->
mcast_send, IPPROTO_IPV6, IPV6_MULTICAST_IF,
1086 &interface_num, sizeof (interface_num)) < 0) {
1088 "cannot select interface for multicast packets (send v6)");
1091 if (setsockopt (sockets->
mcast_recv, IPPROTO_IPV6, IPV6_MULTICAST_IF,
1092 &interface_num, sizeof (interface_num)) < 0) {
1094 "cannot select interface for multicast packets (recv v6)");
1111 res = bind (sockets->
mcast_recv, (
struct sockaddr *)&sockaddr, addrlen);
1116 "Unable to bind the socket to receive multicast packets");
1133 static int totemudp_build_sockets (
1147 res = netif_determine (instance,
1159 res = totemudp_build_sockets_ip (instance, mcast_address,
1160 bindnet_address, sockets, bound_to, interface_num);
1165 "Unable to create sockets, exiting");
1170 totemudp_traffic_control_set(instance, sockets->
token);
1183 qb_loop_t *poll_handle,
1190 void (*deliver_fn) (
1193 unsigned int msg_len),
1195 void (*iface_change_fn) (
1199 void (*target_set_completed) (
1205 if (instance == NULL) {
1209 totemudp_instance_initialize (instance);
1268 100*QB_TIME_NS_IN_MSEC,
1270 timer_function_netif_check_timeout,
1273 *udp_context = instance;
1289 int processor_count)
1297 if (processor_count == 1) {
1302 timer_function_netif_check_timeout,
1320 for (i = 0; i < 2; i++) {
1332 ufd.events = POLLIN;
1333 nfds = poll (&ufd, 1, 0);
1334 if (nfds == 1 && ufd.revents & POLLIN) {
1335 net_deliver_fn (sock, ufd.revents, instance);
1337 }
while (nfds == 1);
1353 unsigned int msg_len)
1358 ucast_sendmsg (instance, &instance->
token_target, msg, msg_len);
1365 unsigned int msg_len)
1370 mcast_sendmsg (instance, msg, msg_len);
1378 unsigned int msg_len)
1383 mcast_sendmsg (instance, msg, msg_len);
1393 timer_function_netif_check_timeout (instance);
1410 const char *ret_char;
1449 struct sockaddr_storage system_from;
1450 struct msghdr msg_recv;
1453 int msg_processed = 0;
1461 msg_recv.msg_namelen =
sizeof (
struct sockaddr_storage);
1463 msg_recv.msg_iovlen = 1;
1464 #ifdef HAVE_MSGHDR_CONTROL
1465 msg_recv.msg_control = 0;
1467 #ifdef HAVE_MSGHDR_CONTROLLEN
1468 msg_recv.msg_controllen = 0;
1470 #ifdef HAVE_MSGHDR_FLAGS
1471 msg_recv.msg_flags = 0;
1473 #ifdef HAVE_MSGHDR_ACCRIGHTS
1474 msg_recv.msg_accrights = NULL;
1476 #ifdef HAVE_MSGHDR_ACCRIGHTSLEN
1477 msg_recv.msg_accrightslen = 0;
1480 for (i = 0; i < 2; i++) {
1492 ufd.events = POLLIN;
1493 nfds = poll (&ufd, 1, 0);
1494 if (nfds == 1 && ufd.revents & POLLIN) {
1495 res = recvmsg (sock, &msg_recv,
MSG_NOSIGNAL | MSG_DONTWAIT);
1502 }
while (nfds == 1);
1505 return (msg_processed);
unsigned int clear_node_high_bit
int totemudp_crypto_set(void *udp_context, const char *cipher_type, const char *hash_type)
int totemudp_processor_count_set(void *udp_context, int processor_count)
int totemip_localhost(int family, struct totem_ip_address *localhost)
struct iovec totemudp_iov_recv_flush
struct totem_interface * interfaces
unsigned int interface_count
struct totemudp_instance * instance
struct crypto_instance * crypto_inst
size_t crypto_sec_header_size(const char *crypto_cipher_type, const char *crypto_hash_type)
The totem_ip_address struct.
const char * totemip_print(const struct totem_ip_address *addr)
size_t crypto_get_current_sec_header_size(const struct crypto_instance *instance)
struct timeval stats_tv_start
void totemudp_net_mtu_adjust(void *udp_context, struct totem_config *totem_config)
void(* totemudp_target_set_completed)(void *context)
void(* totemudp_log_printf)(int level, int subsys, const char *function, const char *file, int line, const char *format,...) __attribute__((format(printf
void * totemudp_buffer_alloc(void)
int totemudp_mcast_flush_send(void *udp_context, const void *msg, unsigned int msg_len)
int totemudp_token_target_set(void *udp_context, const struct totem_ip_address *token_target)
unsigned char private_key[TOTEM_PRIVATE_KEY_LEN]
char iov_buffer[FRAME_SIZE_MAX]
struct totemudp_socket totemudp_sockets
unsigned char addr[TOTEMIP_ADDRLEN]
struct crypto_instance * crypto_init(const unsigned char *private_key, unsigned int private_key_len, const char *crypto_cipher_type, const char *crypto_hash_type, void(*log_printf_func)(int level, int subsys, const char *function, const char *file, int line, const char *format,...) __attribute__((format(printf, 6, 7))), int log_level_security, int log_level_notice, int log_level_error, int log_subsys_id)
void totemip_copy(struct totem_ip_address *addr1, const struct totem_ip_address *addr2)
struct totem_ip_address mcast_address
unsigned int downcheck_timeout
int totemudp_mcast_noflush_send(void *udp_context, const void *msg, unsigned int msg_len)
unsigned int private_key_len
int totemudp_log_level_security
#define BIND_STATE_REGULAR
struct totem_config * totem_config
#define NETIF_STATE_REPORT_DOWN
#define totemip_nosigpipe(s)
int totemudp_log_level_error
int totemudp_send_flush(void *udp_context)
void(* totemudp_iface_change_fn)(void *context, const struct totem_ip_address *iface_address)
int totemudp_recv_flush(void *udp_context)
struct iovec totemudp_iov_recv
int totemip_iface_check(struct totem_ip_address *bindnet, struct totem_ip_address *boundto, int *interface_up, int *interface_num, int mask_high_bit)
int crypto_encrypt_and_sign(struct crypto_instance *instance, const unsigned char *buf_in, const size_t buf_in_len, unsigned char *buf_out, size_t *buf_out_len)
int totemudp_token_send(void *udp_context, const void *msg, unsigned int msg_len)
struct totem_interface * totem_interface
int totemudp_initialize(qb_loop_t *poll_handle, void **udp_context, struct totem_config *totem_config, totemsrp_stats_t *stats, int interface_no, void *context, void(*deliver_fn)(void *context, const void *msg, unsigned int msg_len), void(*iface_change_fn)(void *context, const struct totem_ip_address *iface_address), void(*target_set_completed)(void *context))
Create an instance.
qb_loop_t * totemudp_poll_handle
unsigned int my_memb_entries
struct totem_ip_address mcast_addr
#define BIND_RETRIES_INTERVAL
void(* log_printf)(int level, int subsys, const char *function_name, const char *file_name, int file_line, const char *format,...) __attribute__((format(printf
int totemudp_finalize(void *udp_context)
struct totem_ip_address boundto
#define BIND_STATE_LOOPBACK
size_t totemip_udpip_header_size(int family)
const char * totemudp_iface_print(void *udp_context)
#define NETIF_STATE_REPORT_UP
#define MCAST_SOCKET_BUFFER_SIZE
char iov_buffer_flush[FRAME_SIZE_MAX]
int totemudp_log_level_debug
#define PROCESSOR_COUNT_MAX
int crypto_authenticate_and_decrypt(struct crypto_instance *instance, unsigned char *buf, int *buf_len)
int totemudp_log_level_notice
unsigned int broadcast_use
int totemudp_iface_get(void *udp_context, struct totem_ip_address *addr)
void(*) void udp_context)
#define LOGSYS_LEVEL_CRIT
int totemip_totemip_to_sockaddr_convert(struct totem_ip_address *ip_addr, uint16_t port, struct sockaddr_storage *saddr, int *addrlen)
struct totem_logging_configuration totem_logging_configuration
#define LOGSYS_PERROR(err_num, level, fmt, args...)
struct srp_addr system_from
#define log_printf(level, format, args...)
char * crypto_cipher_type
struct totem_ip_address my_id
void(* totemudp_deliver_fn)(void *context, const void *msg, unsigned int msg_len)
int totemudp_recv_mcast_empty(void *udp_context)
int totemudp_iface_check(void *udp_context)
struct totem_ip_address bindnet
uint32_t continuous_sendmsg_failures
struct totem_ip_address token_target
qb_loop_timer_handle timer_netif_check_timeout
void totemudp_buffer_release(void *ptr)
int totemudp_log_level_warning