Add network transport layer to sessiond-comm

[lttng-tools.git] / src / common / sessiond-comm / sessiond-comm.h

diff --git a/src/common/sessiond-comm/sessiond-comm.h b/src/common/sessiond-comm/sessiond-comm.h
index eb9ae8475f272f9b2ad6ce8f22ce4fabadf5bbc3..52369dc625d565a1e8c26d31520caecea48f5cd8 100644 (file)
--- a/src/common/sessiond-comm/sessiond-comm.h
+++ b/src/common/sessiond-comm/sessiond-comm.h
@@ -30,6 +30,12 @@
 #include <lttng/lttng.h>
 #include <common/compat/socket.h>
 
+#include <arpa/inet.h>
+#include <netinet/in.h>
+#include <sys/un.h>
+
+#include "inet.h"
+#include "inet6.h"
 #include "unix.h"
 
 /* Queue size of listen(2) */
@@ -162,6 +168,7 @@ enum lttcomm_return_code {
        LTTCOMM_INVALID,                        /* Invalid parameter */
        LTTCOMM_NO_USTCONSUMERD,        /* No UST consumer detected */
        LTTCOMM_NO_KERNCONSUMERD,       /* No Kernel consumer detected */
+       LTTCOMM_EVENT_EXIST_LOGLEVEL,   /* Event already enabled with different loglevel */
 
        /* MUST be last element */
        LTTCOMM_NR,                                             /* Last element */
@@ -287,6 +294,62 @@ struct lttcomm_ust_reply {
 
 #endif /* HAVE_LIBLTTNG_UST_CTL */
 
+/* lttng socket protocol. */
+enum lttcomm_sock_proto {
+       LTTCOMM_SOCK_UDP,
+       LTTCOMM_SOCK_TCP,
+};
+
+/*
+ * Index in the net_families array below. Please keep in sync!
+ */
+enum lttcomm_sock_domain {
+       LTTCOMM_INET,
+       LTTCOMM_INET6,
+};
+
+struct lttcomm_sockaddr {
+       enum lttcomm_sock_domain type;
+       union {
+               struct sockaddr_in sin;
+               struct sockaddr_in6 sin6;
+       } addr;
+};
+
+struct lttcomm_sock {
+       int fd;
+       enum lttcomm_sock_proto proto;
+       struct lttcomm_sockaddr sockaddr;
+       const struct lttcomm_proto_ops *ops;
+};
+
+struct lttcomm_net_family {
+       int family;
+       int (*create) (struct lttcomm_sock *sock, int type, int proto);
+};
+
+struct lttcomm_proto_ops {
+       int (*bind) (struct lttcomm_sock *sock);
+       int (*close) (struct lttcomm_sock *sock);
+       int (*connect) (struct lttcomm_sock *sock);
+       struct lttcomm_sock *(*accept) (struct lttcomm_sock *sock);
+       int (*listen) (struct lttcomm_sock *sock, int backlog);
+       ssize_t (*recvmsg) (struct lttcomm_sock *sock, void *buf, size_t len,
+                       int flags);
+       ssize_t (*sendmsg) (struct lttcomm_sock *sock, void *buf, size_t len,
+                       int flags);
+};
+
 extern const char *lttcomm_get_readable_code(enum lttcomm_return_code code);
 
+extern int lttcomm_init_inet_sockaddr(struct lttcomm_sockaddr *sockaddr,
+               const char *ip, unsigned int port);
+extern int lttcomm_init_inet6_sockaddr(struct lttcomm_sockaddr *sockaddr,
+               const char *ip, unsigned int port);
+
+extern struct lttcomm_sock *lttcomm_alloc_sock(enum lttcomm_sock_domain domain,
+               enum lttcomm_sock_proto proto);
+extern int lttcomm_create_sock(struct lttcomm_sock *sock,
+               enum lttcomm_sock_domain domain, enum lttcomm_sock_proto proto);
+
 #endif /* _LTTNG_SESSIOND_COMM_H */