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
91 #define MESSAGE_TYPE_MEMB_JOIN 3
122 unsigned int msg_len);
148 const char *
function,
203 static int totemudp_build_sockets (
231 #define log_printf(level, format, args...) \
233 instance->totemudp_log_printf ( \
234 level, instance->totemudp_subsys_id, \
235 __FUNCTION__, __FILE__, __LINE__, \
236 (const char *)format, ##args); \
239 #define LOGSYS_PERROR(err_num, level, fmt, args...) \
241 char _error_str[LOGSYS_MAX_PERROR_MSG_LEN]; \
242 const char *_error_ptr = qb_strerror_r(err_num, _error_str, sizeof(_error_str)); \
243 instance->totemudp_log_printf ( \
244 level, instance->totemudp_subsys_id, \
245 __FUNCTION__, __FILE__, __LINE__, \
246 fmt ": %s (%d)\n", ##args, _error_ptr, err_num); \
251 const char *cipher_type,
252 const char *hash_type)
259 static inline void ucast_sendmsg (
263 unsigned int msg_len)
265 struct msghdr msg_ucast;
269 struct sockaddr_storage sockaddr;
278 (
const unsigned char *)msg,
281 &buf_out_len) != 0) {
286 iovec.iov_base = (
void *)buf_out;
287 iovec.iov_len = buf_out_len;
292 memset(&msg_ucast, 0,
sizeof(msg_ucast));
295 msg_ucast.msg_name = &sockaddr;
296 msg_ucast.msg_namelen = addrlen;
297 msg_ucast.msg_iov = (
void *)&iovec;
298 msg_ucast.msg_iovlen = 1;
299 #ifdef HAVE_MSGHDR_CONTROL
300 msg_ucast.msg_control = 0;
302 #ifdef HAVE_MSGHDR_CONTROLLEN
303 msg_ucast.msg_controllen = 0;
305 #ifdef HAVE_MSGHDR_FLAGS
306 msg_ucast.msg_flags = 0;
308 #ifdef HAVE_MSGHDR_ACCRIGHTS
309 msg_ucast.msg_accrights = NULL;
311 #ifdef HAVE_MSGHDR_ACCRIGHTSLEN
312 msg_ucast.msg_accrightslen = 0;
324 "sendmsg(ucast) failed (non-critical)");
328 static inline void mcast_sendmsg (
331 unsigned int msg_len)
333 struct msghdr msg_mcast;
338 struct sockaddr_storage sockaddr;
346 (
const unsigned char *)msg,
349 &buf_out_len) != 0) {
354 iovec.iov_base = (
void *)&buf_out;
355 iovec.iov_len = buf_out_len;
362 memset(&msg_mcast, 0,
sizeof(msg_mcast));
363 msg_mcast.msg_name = &sockaddr;
364 msg_mcast.msg_namelen = addrlen;
365 msg_mcast.msg_iov = (
void *)&iovec;
366 msg_mcast.msg_iovlen = 1;
367 #ifdef HAVE_MSGHDR_CONTROL
368 msg_mcast.msg_control = 0;
370 #ifdef HAVE_MSGHDR_CONTROLLEN
371 msg_mcast.msg_controllen = 0;
373 #ifdef HAVE_MSGHDR_FLAGS
374 msg_mcast.msg_flags = 0;
376 #ifdef HAVE_MSGHDR_ACCRIGHTS
377 msg_mcast.msg_accrights = NULL;
379 #ifdef HAVE_MSGHDR_ACCRIGHTSLEN
380 msg_mcast.msg_accrightslen = 0;
391 "sendmsg(mcast) failed (non-critical)");
401 msg_mcast.msg_name = NULL;
402 msg_mcast.msg_namelen = 0;
408 "sendmsg(local mcast loop) failed (non-critical)");
446 static int net_deliver_fn (
452 struct msghdr msg_recv;
469 msg_recv.msg_namelen =
sizeof (
struct sockaddr_storage);
470 msg_recv.msg_iov = iovec;
471 msg_recv.msg_iovlen = 1;
472 #ifdef HAVE_MSGHDR_CONTROL
473 msg_recv.msg_control = 0;
475 #ifdef HAVE_MSGHDR_CONTROLLEN
476 msg_recv.msg_controllen = 0;
478 #ifdef HAVE_MSGHDR_FLAGS
479 msg_recv.msg_flags = 0;
481 #ifdef HAVE_MSGHDR_ACCRIGHTS
482 msg_recv.msg_accrights = NULL;
484 #ifdef HAVE_MSGHDR_ACCRIGHTSLEN
485 msg_recv.msg_accrightslen = 0;
488 bytes_received = recvmsg (fd, &msg_recv,
MSG_NOSIGNAL | MSG_DONTWAIT);
489 if (bytes_received == -1) {
502 "Invalid packet data");
506 iovec->iov_len = bytes_received;
512 message_type = (
char *)iovec->iov_base;
531 static int netif_determine (
541 interface_up, interface_num,
553 static void timer_function_netif_check_timeout (
564 netif_determine (instance,
567 &interface_up, &interface_num);
573 interface_up == 0) ||
577 interface_up == 1)) {
583 timer_function_netif_check_timeout,
612 if (interface_up == 0) {
617 bind_address = &localhost;
626 timer_function_netif_check_timeout,
638 (void)totemudp_build_sockets (instance,
648 POLLIN, instance, net_deliver_fn);
654 POLLIN, instance, net_deliver_fn);
660 POLLIN, instance, net_deliver_fn);
670 "The network interface [%s] is now up.",
683 timer_function_netif_check_timeout,
690 "The network interface is down.");
700 static void totemudp_traffic_control_set(
struct totemudp_instance *instance,
int sock)
705 if (setsockopt(sock, SOL_SOCKET, SO_PRIORITY, &prio,
sizeof(
int))) {
711 static int totemudp_build_sockets_ip (
719 struct sockaddr_storage sockaddr;
720 struct ipv6_mreq mreq6;
722 struct sockaddr_storage mcast_ss, boundto_ss;
723 struct sockaddr_in6 *mcast_sin6 = (
struct sockaddr_in6 *)&mcast_ss;
724 struct sockaddr_in *mcast_sin = (
struct sockaddr_in *)&mcast_ss;
725 struct sockaddr_in *boundto_sin = (
struct sockaddr_in *)&boundto_ss;
726 unsigned int sendbuf_size;
727 unsigned int recvbuf_size;
728 unsigned int optlen =
sizeof (sendbuf_size);
746 res = fcntl (sockets->
mcast_recv, F_SETFL, O_NONBLOCK);
749 "Could not set non-blocking operation on multicast socket");
757 if ( setsockopt(sockets->
mcast_recv, SOL_SOCKET, SO_REUSEADDR, (
char *)&flag, sizeof (flag)) < 0) {
759 "setsockopt(SO_REUSEADDR) failed");
772 for (i = 0; i < 2; i++) {
777 "Could not set non-blocking operation on multicast socket");
795 res = fcntl (sockets->
mcast_send, F_SETFL, O_NONBLOCK);
798 "Could not set non-blocking operation on multicast socket");
806 if ( setsockopt(sockets->
mcast_send, SOL_SOCKET, SO_REUSEADDR, (
char *)&flag, sizeof (flag)) < 0) {
808 "setsockopt(SO_REUSEADDR) failed");
813 &sockaddr, &addrlen);
814 res = bind (sockets->
mcast_send, (
struct sockaddr *)&sockaddr, addrlen);
817 "Unable to bind the socket to send multicast packets");
824 sockets->
token = socket (bindnet_address->
family, SOCK_DGRAM, 0);
825 if (sockets->
token == -1) {
832 res = fcntl (sockets->
token, F_SETFL, O_NONBLOCK);
835 "Could not set non-blocking operation on token socket");
843 if ( setsockopt(sockets->
token, SOL_SOCKET, SO_REUSEADDR, (
char *)&flag, sizeof (flag)) < 0) {
845 "setsockopt(SO_REUSEADDR) failed");
854 res = bind (sockets->
token, (
struct sockaddr *)&sockaddr, addrlen);
857 "Unable to bind UDP unicast socket");
866 res = setsockopt (sockets->
mcast_recv, SOL_SOCKET, SO_RCVBUF, &recvbuf_size, optlen);
869 "Unable to set SO_RCVBUF size on UDP mcast socket");
872 res = setsockopt (sockets->
mcast_send, SOL_SOCKET, SO_SNDBUF, &sendbuf_size, optlen);
875 "Unable to set SO_SNDBUF size on UDP mcast socket");
878 res = setsockopt (sockets->
local_mcast_loop[0], SOL_SOCKET, SO_RCVBUF, &recvbuf_size, optlen);
881 "Unable to set SO_RCVBUF size on UDP local mcast loop socket");
884 res = setsockopt (sockets->
local_mcast_loop[1], SOL_SOCKET, SO_SNDBUF, &sendbuf_size, optlen);
887 "Unable to set SO_SNDBUF size on UDP local mcast loop socket");
891 res = getsockopt (sockets->
mcast_recv, SOL_SOCKET, SO_RCVBUF, &recvbuf_size, &optlen);
894 "Receive multicast socket recv buffer size (%d bytes).", recvbuf_size);
897 res = getsockopt (sockets->
mcast_send, SOL_SOCKET, SO_SNDBUF, &sendbuf_size, &optlen);
900 "Transmit multicast socket send buffer size (%d bytes).", sendbuf_size);
903 res = getsockopt (sockets->
local_mcast_loop[0], SOL_SOCKET, SO_RCVBUF, &recvbuf_size, &optlen);
906 "Local receive multicast loop socket recv buffer size (%d bytes).", recvbuf_size);
909 res = getsockopt (sockets->
local_mcast_loop[1], SOL_SOCKET, SO_SNDBUF, &sendbuf_size, &optlen);
912 "Local transmit multicast loop socket send buffer size (%d bytes).", sendbuf_size);
923 unsigned int broadcast = 1;
925 if ((setsockopt(sockets->
mcast_recv, SOL_SOCKET,
926 SO_BROADCAST, &broadcast, sizeof (broadcast))) == -1) {
928 "setting broadcast option failed");
931 if ((setsockopt(sockets->
mcast_send, SOL_SOCKET,
932 SO_BROADCAST, &broadcast, sizeof (broadcast))) == -1) {
934 "setting broadcast option failed");
938 switch (bindnet_address->
family) {
940 memset(&mreq, 0,
sizeof(mreq));
941 mreq.imr_multiaddr.s_addr = mcast_sin->sin_addr.s_addr;
942 mreq.imr_interface.s_addr = boundto_sin->sin_addr.s_addr;
943 res = setsockopt (sockets->
mcast_recv, IPPROTO_IP, IP_ADD_MEMBERSHIP,
944 &mreq, sizeof (mreq));
947 "join ipv4 multicast group failed");
952 memset(&mreq6, 0,
sizeof(mreq6));
953 memcpy(&mreq6.ipv6mr_multiaddr, &mcast_sin6->sin6_addr,
sizeof(
struct in6_addr));
954 mreq6.ipv6mr_interface = interface_num;
956 res = setsockopt (sockets->
mcast_recv, IPPROTO_IPV6, IPV6_JOIN_GROUP,
957 &mreq6, sizeof (mreq6));
960 "join ipv6 multicast group failed");
972 switch ( bindnet_address->
family ) {
975 res = setsockopt (sockets->
mcast_send, IPPROTO_IP, IP_MULTICAST_LOOP,
976 &sflag, sizeof (sflag));
979 res = setsockopt (sockets->
mcast_send, IPPROTO_IPV6, IPV6_MULTICAST_LOOP,
980 &flag, sizeof (flag));
984 "Unable to turn off multicast loopback");
992 if (bindnet_address->
family == AF_INET6) {
993 res = setsockopt (sockets->
mcast_send, IPPROTO_IPV6, IPV6_MULTICAST_HOPS,
994 &flag, sizeof (flag));
997 "set mcast v6 TTL failed");
1002 res = setsockopt(sockets->
mcast_send, IPPROTO_IP, IP_MULTICAST_TTL,
1003 &sflag,
sizeof(sflag));
1006 "set mcast v4 TTL failed");
1014 switch ( bindnet_address->
family ) {
1016 if (setsockopt (sockets->
mcast_send, IPPROTO_IP, IP_MULTICAST_IF,
1017 &boundto_sin->sin_addr, sizeof (boundto_sin->sin_addr)) < 0) {
1019 "cannot select interface for multicast packets (send)");
1022 if (setsockopt (sockets->
mcast_recv, IPPROTO_IP, IP_MULTICAST_IF,
1023 &boundto_sin->sin_addr, sizeof (boundto_sin->sin_addr)) < 0) {
1025 "cannot select interface for multicast packets (recv)");
1030 if (setsockopt (sockets->
mcast_send, IPPROTO_IPV6, IPV6_MULTICAST_IF,
1031 &interface_num, sizeof (interface_num)) < 0) {
1033 "cannot select interface for multicast packets (send v6)");
1036 if (setsockopt (sockets->
mcast_recv, IPPROTO_IPV6, IPV6_MULTICAST_IF,
1037 &interface_num, sizeof (interface_num)) < 0) {
1039 "cannot select interface for multicast packets (recv v6)");
1053 res = bind (sockets->
mcast_recv, (
struct sockaddr *)&sockaddr, addrlen);
1056 "Unable to bind the socket to receive multicast packets");
1062 static int totemudp_build_sockets (
1076 res = netif_determine (instance,
1088 res = totemudp_build_sockets_ip (instance, mcast_address,
1089 bindnet_address, sockets, bound_to, interface_num);
1092 totemudp_traffic_control_set(instance, sockets->
token);
1105 qb_loop_t *poll_handle,
1112 void (*deliver_fn) (
1115 unsigned int msg_len),
1117 void (*iface_change_fn) (
1121 void (*target_set_completed) (
1127 if (instance == NULL) {
1131 totemudp_instance_initialize (instance);
1190 100*QB_TIME_NS_IN_MSEC,
1192 timer_function_netif_check_timeout,
1195 *udp_context = instance;
1211 int processor_count)
1219 if (processor_count == 1) {
1224 timer_function_netif_check_timeout,
1242 for (i = 0; i < 2; i++) {
1254 ufd.events = POLLIN;
1255 nfds = poll (&ufd, 1, 0);
1256 if (nfds == 1 && ufd.revents & POLLIN) {
1257 net_deliver_fn (sock, ufd.revents, instance);
1259 }
while (nfds == 1);
1275 unsigned int msg_len)
1280 ucast_sendmsg (instance, &instance->
token_target, msg, msg_len);
1287 unsigned int msg_len)
1292 mcast_sendmsg (instance, msg, msg_len);
1300 unsigned int msg_len)
1305 mcast_sendmsg (instance, msg, msg_len);
1315 timer_function_netif_check_timeout (instance);
1332 const char *ret_char;
1371 struct sockaddr_storage system_from;
1372 struct msghdr msg_recv;
1375 int msg_processed = 0;
1383 msg_recv.msg_namelen =
sizeof (
struct sockaddr_storage);
1385 msg_recv.msg_iovlen = 1;
1386 #ifdef HAVE_MSGHDR_CONTROL
1387 msg_recv.msg_control = 0;
1389 #ifdef HAVE_MSGHDR_CONTROLLEN
1390 msg_recv.msg_controllen = 0;
1392 #ifdef HAVE_MSGHDR_FLAGS
1393 msg_recv.msg_flags = 0;
1395 #ifdef HAVE_MSGHDR_ACCRIGHTS
1396 msg_recv.msg_accrights = NULL;
1398 #ifdef HAVE_MSGHDR_ACCRIGHTSLEN
1399 msg_recv.msg_accrightslen = 0;
1402 for (i = 0; i < 2; i++) {
1414 ufd.events = POLLIN;
1415 nfds = poll (&ufd, 1, 0);
1416 if (nfds == 1 && ufd.revents & POLLIN) {
1417 res = recvmsg (sock, &msg_recv,
MSG_NOSIGNAL | MSG_DONTWAIT);
1424 }
while (nfds == 1);
1427 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)
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
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
int crypto_authenticate_and_decrypt(struct crypto_instance *instance, unsigned char *buf, int *buf_len)
int totemudp_log_level_notice
#define MESSAGE_TYPE_MEMB_JOIN
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