Add grpc_server argument to grpc_udp_server_start

src/core/iomgr/udp_server.c

@@ -117,6 +117,8 @@ struct grpc_udp_server {
   grpc_pollset **pollsets;
   /* number of pollsets in the pollsets array */
   size_t pollset_count;
+  /* The parent grpc server */
+  grpc_server* grpc_server;
 };
 
 grpc_udp_server *grpc_udp_server_create(void) {
@@ -276,7 +278,7 @@ static void on_read(grpc_exec_ctx *exec_ctx, void *arg, int success) {
 
   /* Tell the registered callback that data is available to read. */
   GPR_ASSERT(sp->read_cb);
-  sp->read_cb(sp->fd);
+  sp->read_cb(sp->fd, sp->server->grpc_server);
 
   /* Re-arm the notification event so we get another chance to read. */
   grpc_fd_notify_on_read(exec_ctx, sp->emfd, &sp->read_closure);
@@ -402,11 +404,13 @@ int grpc_udp_server_get_fd(grpc_udp_server *s, unsigned index) {
 }
 
 void grpc_udp_server_start(grpc_exec_ctx *exec_ctx, grpc_udp_server *s,
-                           grpc_pollset **pollsets, size_t pollset_count) {
+                           grpc_pollset **pollsets, size_t pollset_count,
+                           grpc_server *grpc_server) {
   size_t i, j;
   gpr_mu_lock(&s->mu);
   GPR_ASSERT(s->active_ports == 0);
   s->pollsets = pollsets;
+  s->grpc_server = grpc_server;
   for (i = 0; i < s->nports; i++) {
     for (j = 0; j < pollset_count; j++) {
       grpc_pollset_add_fd(exec_ctx, pollsets[j], s->ports[i].emfd);

src/core/iomgr/udp_server.h

@@ -36,18 +36,22 @@
 
 #include "src/core/iomgr/endpoint.h"
 
+/* Forward decl of grpc_server */
+typedef struct grpc_server grpc_server;
+
 /* Forward decl of grpc_udp_server */
 typedef struct grpc_udp_server grpc_udp_server;
 
 /* Called when data is available to read from the socket. */
-typedef void (*grpc_udp_server_read_cb)(int fd);
+typedef void (*grpc_udp_server_read_cb)(int fd, grpc_server* server);
 
 /* Create a server, initially not bound to any ports */
 grpc_udp_server *grpc_udp_server_create(void);
 
 /* Start listening to bound ports */
-void grpc_udp_server_start(grpc_exec_ctx *exec_ctx, grpc_udp_server *udp_server,
-                           grpc_pollset **pollsets, size_t pollset_count);
+void grpc_udp_server_start(grpc_exec_ctx *exec_ctx grpc_udp_server *udp_server,
+                           grpc_pollset **pollsets, size_t pollset_count,
+                           grpc_server *grpc_server);
 
 int grpc_udp_server_get_fd(grpc_udp_server *s, unsigned index);
 

test/core/iomgr/udp_server_test.c

@@ -49,7 +49,7 @@ static grpc_pollset g_pollset;
 static int g_number_of_reads = 0;
 static int g_number_of_bytes_read = 0;
 
-static void on_read(int fd) {
+static void on_read(int fd, grpc_server *grpc_server) {
   char read_buffer[512];
   ssize_t byte_count;
 
@@ -74,7 +74,7 @@ static void test_no_op_with_start(void) {
   grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
   grpc_udp_server *s = grpc_udp_server_create();
   LOG_TEST("test_no_op_with_start");
-  grpc_udp_server_start(&exec_ctx, s, NULL, 0);
+  grpc_udp_server_start(&exec_ctx, s, NULL, 0, NULL);
   grpc_udp_server_destroy(&exec_ctx, s, NULL);
   grpc_exec_ctx_finish(&exec_ctx);
 }
@@ -105,7 +105,7 @@ static void test_no_op_with_port_and_start(void) {
   GPR_ASSERT(grpc_udp_server_add_port(s, (struct sockaddr *)&addr, sizeof(addr),
                                       on_read));
 
-  grpc_udp_server_start(&exec_ctx, s, NULL, 0);
+  grpc_udp_server_start(&exec_ctx, s, NULL, 0, NULL);
 
   grpc_udp_server_destroy(&exec_ctx, s, NULL);
   grpc_exec_ctx_finish(&exec_ctx);
@@ -137,7 +137,7 @@ static void test_receive(int number_of_clients) {
   GPR_ASSERT(addr_len <= sizeof(addr));
 
   pollsets[0] = &g_pollset;
-  grpc_udp_server_start(&exec_ctx, s, pollsets, 1);
+  grpc_udp_server_start(&exec_ctx, s, pollsets, 1, NULL);
 
   gpr_mu_lock(GRPC_POLLSET_MU(&g_pollset));