+
+/*
+ * Alloc lttcomm socket and set protocol.
+ */
+static struct lttcomm_sock *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;
+
+end:
+ return sock;
+}
+
+/*
+ * Create socket from an already allocated lttcomm socket structure.
+ */
+int lttcomm_create_sock(struct lttcomm_sock *sock,
+ enum lttcomm_sock_domain domain, enum lttcomm_sock_proto proto)
+{
+ int ret, _sock_type, _sock_proto;
+
+ assert(sock);
+
+ switch (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;
+ }
+
+ sock->proto = proto;
+
+error:
+ return ret;
+}
+
+/*
+ * Return allocated lttcomm socket structure.
+ */
+struct lttcomm_sock *lttcomm_alloc_sock(enum lttcomm_sock_domain domain,
+ enum lttcomm_sock_proto proto)
+{
+ int ret;
+ struct lttcomm_sock *sock;
+
+ sock = alloc_sock(proto);
+ if (sock == NULL) {
+ goto alloc_error;
+ }
+
+ ret = lttcomm_create_sock(sock, domain, proto);
+ if (ret < 0) {
+ goto error;
+ }
+
+ return sock;
+
+error:
+ free(sock);
+alloc_error:
+ return NULL;
+}
+
+/*
+ * 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;
+ 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;
+}