Add socket option for SO_REUSEADDR

 - Enable it by default in multiplex.
 - Update deps.

Signed-off-by: Andrew Opalach <andrew@akon.city>

4 files changed, 16 insertions, 1 deletions

diff --git a/src/socket/socket.h b/src/socket/socket.h
index 5f16ec6..e1b203a 100644
--- a/src/socket/socket.h
+++ b/src/socket/socket.h
@@ -20,7 +20,8 @@ enum {
 
 enum {
     NNWT_SOCKET_NONBLOCKING = 1,
-    NNWT_SOCKET_NODELAY = 1 << 1
+    NNWT_SOCKET_NODELAY = 1 << 1,
+    NNWT_SOCKET_REUSE_ADDR = 1 << 2
 };
 
 // @TODO: Guard against EINTR?
@@ -59,6 +60,7 @@ bool nn_socket_init(struct nn_socket *sock, s32 flags);
 
 void nn_socket_set_blocking(struct nn_socket *sock, bool blocking);
 void nn_socket_set_nodelay(struct nn_socket *sock, s32 nodelay);
+void nn_socket_set_reuse_addr(struct nn_socket *sock, s32 reuse_addr);
 
 u32 nn_socket_get_send_buf(struct nn_socket *sock);
 void nn_socket_set_send_buf(struct nn_socket *sock, u32 sndbuf);
diff --git a/src/socket/socket_internal.h b/src/socket/socket_internal.h
index 41b48ca..7086d39 100644
--- a/src/socket/socket_internal.h
+++ b/src/socket/socket_internal.h
@@ -16,4 +16,5 @@ static inline void nn_socket_apply_flags(struct nn_socket *sock, s32 flags)
 {
     if (flags & NNWT_SOCKET_NONBLOCKING) nn_socket_set_blocking(sock, false);
     if (flags & NNWT_SOCKET_NODELAY) nn_socket_set_nodelay(sock, 1);
+    if (flags & NNWT_SOCKET_REUSE_ADDR) nn_socket_set_reuse_addr(sock, 1);
 }
diff --git a/src/socket/socket_linux.c b/src/socket/socket_linux.c
index a631348..d854644 100644
--- a/src/socket/socket_linux.c
+++ b/src/socket/socket_linux.c
@@ -68,6 +68,12 @@ void nn_socket_set_nodelay(struct nn_socket *sock, s32 nodelay)
     setsockopt(sock->fd, IPPROTO_TCP, TCP_NODELAY, &nodelay, sizeof(nodelay));
 }
 
+void nn_socket_set_reuse_addr(struct nn_socket *sock, s32 reuse_addr)
+{
+    al_assert(sock->type == NNWT_SOCKET_TCP);
+    setsockopt(sock->fd, SOL_SOCKET, SO_REUSEADDR, &reuse_addr, sizeof(reuse_addr));
+}
+
 u32 nn_socket_get_send_buf(struct nn_socket *sock)
 {
     u32 send_queue_size;
diff --git a/src/socket/socket_windows.c b/src/socket/socket_windows.c
index 370f403..123640e 100644
--- a/src/socket/socket_windows.c
+++ b/src/socket/socket_windows.c
@@ -39,6 +39,12 @@ void nn_socket_set_nodelay(struct nn_socket *sock, s32 nodelay)
     (void)nodelay;
 }
 
+void nn_socket_set_reuse_addr(struct nn_socket *sock, s32 reuse_addr)
+{
+    (void)sock;
+    (void)reuse_addr;
+}
+
 bool nn_socket_set(struct nn_socket *sock, str *addr, u16 port)
 {
     (void)sock;