change to int type

src/core/lib/iomgr/udp_server.cc

@@ -285,7 +285,7 @@ static int bind_socket(grpc_socket_factory* socket_factory, int sockfd,
 /* Prepare a recently-created socket for listening. */
 static int prepare_socket(grpc_socket_factory* socket_factory, int fd,
                           const grpc_resolved_address* addr,
-                          size_t rcv_buf_size, size_t snd_buf_size) {
+                          int rcv_buf_size, int snd_buf_size) {
   grpc_resolved_address sockname_temp;
   struct sockaddr* addr_ptr = (struct sockaddr*)addr->addr;
 
@@ -461,7 +461,7 @@ static void on_write(void* arg, grpc_error* error) {
 
 static int add_socket_to_server(grpc_udp_server* s, int fd,
                                 const grpc_resolved_address* addr,
-                                size_t rcv_buf_size, size_t snd_buf_size,
+                                int rcv_buf_size, int snd_buf_size,
                                 grpc_udp_server_start_cb start_cb,
                                 grpc_udp_server_read_cb read_cb,
                                 grpc_udp_server_write_cb write_cb,
@@ -507,7 +507,7 @@ static int add_socket_to_server(grpc_udp_server* s, int fd,
 
 int grpc_udp_server_add_port(grpc_udp_server* s,
                              const grpc_resolved_address* addr,
-                             size_t rcv_buf_size, size_t snd_buf_size,
+                             int rcv_buf_size, int snd_buf_size,
                              grpc_udp_server_start_cb start_cb,
                              grpc_udp_server_read_cb read_cb,
                              grpc_udp_server_write_cb write_cb,

src/core/lib/iomgr/udp_server.h

@@ -68,7 +68,7 @@ int grpc_udp_server_get_fd(grpc_udp_server* s, unsigned port_index);
                   all of the multiple socket port matching logic in one place */
 int grpc_udp_server_add_port(grpc_udp_server* s,
                              const grpc_resolved_address* addr,
-                             size_t rcv_buf_size, size_t snd_buf_size,
+                             int rcv_buf_size, int snd_buf_size,
                              grpc_udp_server_start_cb start_cb,
                              grpc_udp_server_read_cb read_cb,
                              grpc_udp_server_write_cb write_cb,

test/core/iomgr/udp_server_test.cc

@@ -51,8 +51,8 @@ static int g_number_of_bytes_read = 0;
 static int g_number_of_orphan_calls = 0;
 static int g_number_of_starts = 0;
 
-size_t rcv_buf_size = 1024;
+int rcv_buf_size = 1024;
-size_t snd_buf_size = 1024;
+int snd_buf_size = 1024;
 
 static void on_start(grpc_fd* emfd, void* user_data) { g_number_of_starts++; }