X-Git-Url: http://git.meshlink.io/?p=utcp;a=blobdiff_plain;f=utcp.h;h=53a107fd13a20196ce7485b93a754771d2a36b62;hp=707cabe3736c57033ccfd10ce253ea6b7321c92e;hb=8d8944f2e16b8d11e54cb79e1d45023e84aed37f;hpb=4368d8c9956242f0bdc00d43ebf32a72332522c1

diff --git a/utcp.h b/utcp.h
index 707cabe..53a107f 100644
--- a/utcp.h
+++ b/utcp.h
@@ -41,8 +41,10 @@ struct utcp_connection;
 typedef bool (*utcp_pre_accept_t)(struct utcp *utcp, uint16_t port);
 typedef void (*utcp_accept_t)(struct utcp_connection *utcp_connection, uint16_t port);
 
-typedef int (*utcp_send_t)(struct utcp *utcp, const void *data, size_t len);
-typedef int (*utcp_recv_t)(struct utcp_connection *connection, const void *data, size_t len);
+typedef ssize_t (*utcp_send_t)(struct utcp *utcp, const void *data, size_t len);
+typedef ssize_t (*utcp_recv_t)(struct utcp_connection *connection, const void *data, size_t len);
+
+typedef void (*utcp_poll_t)(struct utcp_connection *connection, size_t len);
 
 extern struct utcp *utcp_init(utcp_accept_t accept, utcp_pre_accept_t pre_accept, utcp_send_t send, void *priv);
 extern void utcp_exit(struct utcp *utcp);
@@ -50,11 +52,13 @@ extern void utcp_exit(struct utcp *utcp);
 extern struct utcp_connection *utcp_connect(struct utcp *utcp, uint16_t port, utcp_recv_t recv, void *priv);
 extern void utcp_accept(struct utcp_connection *utcp, utcp_recv_t recv, void *priv);
 extern ssize_t utcp_send(struct utcp_connection *connection, const void *data, size_t len);
-extern int utcp_recv(struct utcp *utcp, const void *data, size_t len);
+extern ssize_t utcp_recv(struct utcp *utcp, const void *data, size_t len);
 extern int utcp_close(struct utcp_connection *connection);
 extern int utcp_abort(struct utcp_connection *connection);
 extern int utcp_shutdown(struct utcp_connection *connection, int how);
 extern int utcp_timeout(struct utcp *utcp);
+extern void utcp_set_recv_cb(struct utcp_connection *connection, utcp_recv_t recv);
+extern void utcp_set_poll_cb(struct utcp_connection *connection, utcp_poll_t poll);
 
 // Global socket options
 
@@ -69,6 +73,8 @@ extern void utcp_set_mtu(struct utcp *utcp, uint16_t mtu);
 extern size_t utcp_get_sndbuf(struct utcp_connection *connection);
 extern void utcp_set_sndbuf(struct utcp_connection *connection, size_t size);
 
+extern size_t utcp_get_sndbuf_free(struct utcp_connection *connection);
+
 extern bool utcp_get_nodelay(struct utcp_connection *connection);
 extern void utcp_set_nodelay(struct utcp_connection *connection, bool nodelay);