Add SO_REUSEPORT support to uv iomgr code
diff --git a/src/core/lib/iomgr/sockaddr_utils.c b/src/core/lib/iomgr/sockaddr_utils.c
index 99dc2f1..3f4145d 100644
--- a/src/core/lib/iomgr/sockaddr_utils.c
+++ b/src/core/lib/iomgr/sockaddr_utils.c
@@ -220,6 +220,11 @@
return NULL;
}
+int grpc_sockaddr_get_family(const grpc_resolved_address *resolved_addr) {
+ const struct sockaddr *addr = (const struct sockaddr *)resolved_addr->addr;
+ return addr->sa_family;
+}
+
int grpc_sockaddr_get_port(const grpc_resolved_address *resolved_addr) {
const struct sockaddr *addr = (const struct sockaddr *)resolved_addr->addr;
switch (addr->sa_family) {
diff --git a/src/core/lib/iomgr/sockaddr_utils.h b/src/core/lib/iomgr/sockaddr_utils.h
index 7692b96..a589a19 100644
--- a/src/core/lib/iomgr/sockaddr_utils.h
+++ b/src/core/lib/iomgr/sockaddr_utils.h
@@ -75,4 +75,6 @@
/* Returns the URI scheme corresponding to \a addr */
const char *grpc_sockaddr_get_uri_scheme(const grpc_resolved_address *addr);
+int grpc_sockaddr_get_family(const grpc_resolved_address *resolved_addr);
+
#endif /* GRPC_CORE_LIB_IOMGR_SOCKADDR_UTILS_H */
diff --git a/src/core/lib/iomgr/tcp_server_uv.c b/src/core/lib/iomgr/tcp_server_uv.c
index 2ab836c..079c913 100644
--- a/src/core/lib/iomgr/tcp_server_uv.c
+++ b/src/core/lib/iomgr/tcp_server_uv.c
@@ -316,6 +316,7 @@
unsigned port_index = 0;
int status;
grpc_error *error = GRPC_ERROR_NONE;
+ int family;
if (s->tail != NULL) {
port_index = s->tail->port_index + 1;
@@ -353,7 +354,18 @@
}
handle = gpr_malloc(sizeof(uv_tcp_t));
- status = uv_tcp_init(uv_default_loop(), handle);
+
+ family = grpc_sockaddr_get_family(addr);
+ status = uv_tcp_init_ex(uv_default_loop(), handle, (unsigned int)family);
+#if defined(GPR_LINUX) && defined(SO_REUSEPORT)
+ if (family == AF_INET || family == AF_INET6) {
+ int fd;
+ uv_fileno((uv_handle_t *)handle, &fd);
+ int enable = 1;
+ setsockopt(fd, SOL_SOCKET, SO_REUSEPORT, &enable, sizeof(enable));
+ }
+#endif /* GPR_LINUX && SO_REUSEPORT */
+
if (status == 0) {
error = add_socket_to_server(s, handle, addr, port_index, &sp);
} else {