#include "sessiond-comm.h"
+/* For Unix socket */
+#include "unix.h"
+/* For Inet socket */
+#include "inet.h"
+/* For Inet6 socket */
+#include "inet6.h"
+
+struct lttcomm_net_family net_families[] = {
+ { LTTCOMM_INET, lttcomm_create_inet_sock },
+ { LTTCOMM_INET6, lttcomm_create_inet6_sock },
+};
+
/*
* Human readable error message.
*/
[ LTTCOMM_ERR_INDEX(LTTCOMM_NO_USTCONSUMERD) ] = "No UST consumer detected",
[ LTTCOMM_ERR_INDEX(LTTCOMM_NO_KERNCONSUMERD) ] = "No kernel consumer detected",
[ LTTCOMM_ERR_INDEX(LTTCOMM_EVENT_EXIST_LOGLEVEL) ] = "Event already enabled with different loglevel",
+ [ LTTCOMM_ERR_INDEX(LTTCOMM_URI_DATA_MISS) ] = "Missing data path URI",
+ [ LTTCOMM_ERR_INDEX(LTTCOMM_URI_CTRL_MISS) ] = "Missing control data path URI",
+ [ LTTCOMM_ERR_INDEX(LTTCOMM_ENABLE_CONSUMER_FAIL) ] = "Enabling consumer failed",
+ [ LTTCOMM_ERR_INDEX(LTTCOMM_RELAYD_SESSION_FAIL) ] = "Unable to create session on lttng-relayd",
+ [ LTTCOMM_ERR_INDEX(LTTCOMM_RELAYD_VERSION_FAIL) ] = "Relay daemon not compatible",
+ [ LTTCOMM_ERR_INDEX(LTTCOMM_FILTER_INVAL) ] = "Invalid filter bytecode",
+ [ LTTCOMM_ERR_INDEX(LTTCOMM_FILTER_NOMEM) ] = "Not enough memory for filter bytecode",
+ [ LTTCOMM_ERR_INDEX(LTTCOMM_FILTER_EXIST) ] = "Filter already exist",
};
/*
return "Unknown error code";
}
+
+/*
+ * Create socket from an already allocated lttcomm socket structure and init
+ * sockaddr in the lttcomm sock.
+ */
+int lttcomm_create_sock(struct lttcomm_sock *sock)
+{
+ int ret, _sock_type, _sock_proto, domain;
+
+ assert(sock);
+
+ domain = sock->sockaddr.type;
+ if (domain != LTTCOMM_INET && domain != LTTCOMM_INET6) {
+ ERR("Create socket of unknown domain %d", domain);
+ ret = -1;
+ goto error;
+ }
+
+ switch (sock->proto) {
+ case LTTCOMM_SOCK_UDP:
+ _sock_type = SOCK_DGRAM;
+ _sock_proto = IPPROTO_UDP;
+ break;
+ case LTTCOMM_SOCK_TCP:
+ _sock_type = SOCK_STREAM;
+ _sock_proto = IPPROTO_TCP;
+ break;
+ default:
+ ret = -1;
+ goto error;
+ }
+
+ ret = net_families[domain].create(sock, _sock_type, _sock_proto);
+ if (ret < 0) {
+ goto error;
+ }
+
+error:
+ return ret;
+}
+
+/*
+ * Return allocated lttcomm socket structure.
+ */
+struct lttcomm_sock *lttcomm_alloc_sock(enum lttcomm_sock_proto proto)
+{
+ struct lttcomm_sock *sock;
+
+ sock = zmalloc(sizeof(struct lttcomm_sock));
+ if (sock == NULL) {
+ PERROR("zmalloc create sock");
+ goto end;
+ }
+
+ sock->proto = proto;
+ sock->fd = -1;
+
+end:
+ return sock;
+}
+
+/*
+ * Return an allocated lttcomm socket structure and copy src content into
+ * the newly created socket.
+ *
+ * This is mostly useful when lttcomm_sock are passed between process where the
+ * fd and ops have to be changed within the correct address space.
+ */
+struct lttcomm_sock *lttcomm_alloc_copy_sock(struct lttcomm_sock *src)
+{
+ struct lttcomm_sock *sock;
+
+ /* Safety net */
+ assert(src);
+
+ sock = lttcomm_alloc_sock(src->proto);
+ if (sock == NULL) {
+ goto alloc_error;
+ }
+
+ lttcomm_copy_sock(sock, src);
+
+alloc_error:
+ return sock;
+}
+
+/*
+ * Create and copy socket from an allocated lttcomm socket structure.
+ *
+ * This is mostly useful when lttcomm_sock are passed between process where the
+ * fd and ops have to be changed within the correct address space.
+ */
+void lttcomm_copy_sock(struct lttcomm_sock *dst, struct lttcomm_sock *src)
+{
+ /* Safety net */
+ assert(dst);
+ assert(src);
+
+ dst->proto = src->proto;
+ dst->fd = src->fd;
+ dst->ops = src->ops;
+ /* Copy sockaddr information from original socket */
+ memcpy(&dst->sockaddr, &src->sockaddr, sizeof(dst->sockaddr));
+}
+
+/*
+ * Init IPv4 sockaddr structure.
+ */
+int lttcomm_init_inet_sockaddr(struct lttcomm_sockaddr *sockaddr,
+ const char *ip, unsigned int port)
+{
+ int ret;
+
+ assert(sockaddr);
+ assert(ip);
+ assert(port > 0 && port <= 65535);
+
+ memset(sockaddr, 0, sizeof(struct lttcomm_sockaddr));
+
+ sockaddr->type = LTTCOMM_INET;
+ sockaddr->addr.sin.sin_family = AF_INET;
+ sockaddr->addr.sin.sin_port = htons(port);
+ ret = inet_pton(sockaddr->addr.sin.sin_family, ip,
+ &sockaddr->addr.sin.sin_addr);
+ if (ret < 1) {
+ ret = -1;
+ ERR("%s with port %d: unrecognized IPv4 address", ip, port);
+ goto error;
+ }
+ memset(sockaddr->addr.sin.sin_zero, 0, sizeof(sockaddr->addr.sin.sin_zero));
+
+error:
+ return ret;
+}
+
+/*
+ * Init IPv6 sockaddr structure.
+ */
+int lttcomm_init_inet6_sockaddr(struct lttcomm_sockaddr *sockaddr,
+ const char *ip, unsigned int port)
+{
+ int ret;
+
+ assert(sockaddr);
+ assert(ip);
+ assert(port > 0 && port <= 65535);
+
+ memset(sockaddr, 0, sizeof(struct lttcomm_sockaddr));
+
+ sockaddr->type = LTTCOMM_INET6;
+ sockaddr->addr.sin6.sin6_family = AF_INET6;
+ sockaddr->addr.sin6.sin6_port = htons(port);
+ ret = inet_pton(sockaddr->addr.sin6.sin6_family, ip,
+ &sockaddr->addr.sin6.sin6_addr);
+ if (ret < 1) {
+ ret = -1;
+ goto error;
+ }
+
+error:
+ return ret;
+}
+
+/*
+ * Return allocated lttcomm socket structure from lttng URI.
+ */
+struct lttcomm_sock *lttcomm_alloc_sock_from_uri(struct lttng_uri *uri)
+{
+ int ret;
+ int _sock_proto;
+ struct lttcomm_sock *sock = NULL;
+
+ /* Safety net */
+ assert(uri);
+
+ /* Check URI protocol */
+ if (uri->proto == LTTNG_TCP) {
+ _sock_proto = LTTCOMM_SOCK_TCP;
+ } else {
+ ERR("Relayd invalid URI proto: %d", uri->proto);
+ goto alloc_error;
+ }
+
+ sock = lttcomm_alloc_sock(_sock_proto);
+ if (sock == NULL) {
+ goto alloc_error;
+ }
+
+ /* Check destination type */
+ if (uri->dtype == LTTNG_DST_IPV4) {
+ ret = lttcomm_init_inet_sockaddr(&sock->sockaddr, uri->dst.ipv4,
+ uri->port);
+ if (ret < 0) {
+ goto error;
+ }
+ } else if (uri->dtype == LTTNG_DST_IPV6) {
+ ret = lttcomm_init_inet6_sockaddr(&sock->sockaddr, uri->dst.ipv6,
+ uri->port);
+ if (ret < 0) {
+ goto error;
+ }
+ } else {
+ /* Command URI is invalid */
+ ERR("Relayd invalid URI dst type: %d", uri->dtype);
+ goto error;
+ }
+
+ return sock;
+
+error:
+ lttcomm_destroy_sock(sock);
+alloc_error:
+ return NULL;
+}
+
+/*
+ * Destroy and free lttcomm socket.
+ */
+void lttcomm_destroy_sock(struct lttcomm_sock *sock)
+{
+ if (sock != NULL) {
+ free(sock);
+ }
+}
projects / lttng-tools.git / blobdiff