diff --git a/src/core/lib/iomgr/tcp_windows.c b/src/core/lib/iomgr/tcp_windows.c index 46f0491d10aef8d8791d07664872fb4a092c7297..5fcdf560df4fb7812e07f81d7569b4e29fa51c2d 100644 --- a/src/core/lib/iomgr/tcp_windows.c +++ b/src/core/lib/iomgr/tcp_windows.c @@ -109,46 +109,34 @@ typedef struct grpc_tcp { gpr_slice_buffer *write_slices; gpr_slice_buffer *read_slices; - grpc_resource_user resource_user; + grpc_resource_user *resource_user; /* The IO Completion Port runs from another thread. We need some mechanism to protect ourselves when requesting a shutdown. */ gpr_mu mu; int shutting_down; - gpr_atm resource_user_shutdown_count; - char *peer_string; } grpc_tcp; -static void win_unref_closure(grpc_exec_ctx *exec_ctx, void *arg /* grpc_tcp */, - grpc_error *error); - -static void win_maybe_shutdown_resource_user(grpc_exec_ctx *exec_ctx, - grpc_tcp *tcp) { - if (gpr_atm_full_fetch_add(&tcp->resource_user_shutdown_count, 1) == 0) { - grpc_resource_user_shutdown(exec_ctx, &tcp->resource_user, - grpc_closure_create(win_unref_closure, tcp)); - } -} - -static void tcp_free(grpc_tcp *tcp) { +static void tcp_free(grpc_exec_ctx *exec_ctx, grpc_tcp *tcp) { grpc_winsocket_destroy(tcp->socket); gpr_mu_destroy(&tcp->mu); gpr_free(tcp->peer_string); + grpc_resource_user_unref(exec_ctx, tcp->resource_user); gpr_free(tcp); } /*#define GRPC_TCP_REFCOUNT_DEBUG*/ #ifdef GRPC_TCP_REFCOUNT_DEBUG -#define TCP_UNREF(tcp, reason) tcp_unref((tcp), (reason), __FILE__, __LINE__) +#define TCP_UNREF(exec_ctx, tcp, reason) tcp_unref((exec_ctx), (tcp), (reason), __FILE__, __LINE__) #define TCP_REF(tcp, reason) tcp_ref((tcp), (reason), __FILE__, __LINE__) -static void tcp_unref(grpc_tcp *tcp, const char *reason, const char *file, +static void tcp_unref(grpc_exec_ctx *exec_ctx, grpc_tcp *tcp, const char *reason, const char *file, int line) { gpr_log(file, line, GPR_LOG_SEVERITY_DEBUG, "TCP unref %p : %s %d -> %d", tcp, reason, tcp->refcount.count, tcp->refcount.count - 1); if (gpr_unref(&tcp->refcount)) { - tcp_free(tcp); + tcp_free(exec_ctx, tcp); } } @@ -159,22 +147,17 @@ static void tcp_ref(grpc_tcp *tcp, const char *reason, const char *file, gpr_ref(&tcp->refcount); } #else -#define TCP_UNREF(tcp, reason) tcp_unref((tcp)) +#define TCP_UNREF(exec_ctx, tcp, reason) tcp_unref((exec_ctx), (tcp)) #define TCP_REF(tcp, reason) tcp_ref((tcp)) -static void tcp_unref(grpc_tcp *tcp) { +static void tcp_unref(grpc_exec_ctx *exec_ctx, grpc_tcp *tcp) { if (gpr_unref(&tcp->refcount)) { - tcp_free(tcp); + tcp_free(exec_ctx, tcp); } } static void tcp_ref(grpc_tcp *tcp) { gpr_ref(&tcp->refcount); } #endif -static void win_unref_closure(grpc_exec_ctx *exec_ctx, void *arg, - grpc_error *error) { - TCP_UNREF(arg, "resource_user"); -} - /* Asynchronous callback from the IOCP, or the background thread. */ static void on_read(grpc_exec_ctx *exec_ctx, void *tcpp, grpc_error *error) { grpc_tcp *tcp = tcpp; @@ -203,7 +186,7 @@ static void on_read(grpc_exec_ctx *exec_ctx, void *tcpp, grpc_error *error) { } tcp->read_cb = NULL; - TCP_UNREF(tcp, "read"); + TCP_UNREF(exec_ctx, tcp, "read"); grpc_exec_ctx_sched(exec_ctx, cb, error, NULL); } @@ -287,7 +270,7 @@ static void on_write(grpc_exec_ctx *exec_ctx, void *tcpp, grpc_error *error) { } } - TCP_UNREF(tcp, "write"); + TCP_UNREF(exec_ctx, tcp, "write"); grpc_exec_ctx_sched(exec_ctx, cb, error, NULL); } @@ -355,7 +338,7 @@ static void win_write(grpc_exec_ctx *exec_ctx, grpc_endpoint *ep, if (status != 0) { int wsa_error = WSAGetLastError(); if (wsa_error != WSA_IO_PENDING) { - TCP_UNREF(tcp, "write"); + TCP_UNREF(exec_ctx, tcp, "write"); grpc_exec_ctx_sched(exec_ctx, cb, GRPC_WSA_ERROR(wsa_error, "WSASend"), NULL); return; @@ -396,15 +379,14 @@ static void win_shutdown(grpc_exec_ctx *exec_ctx, grpc_endpoint *ep) { callback. See the comments in on_read and on_write. */ tcp->shutting_down = 1; grpc_winsocket_shutdown(tcp->socket); - win_maybe_shutdown_resource_user(exec_ctx, tcp); gpr_mu_unlock(&tcp->mu); + grpc_resource_user_shutdown(exec_ctx, tcp->resource_user); } static void win_destroy(grpc_exec_ctx *exec_ctx, grpc_endpoint *ep) { grpc_network_status_unregister_endpoint(ep); grpc_tcp *tcp = (grpc_tcp *)ep; - win_maybe_shutdown_resource_user(exec_ctx, tcp); - TCP_UNREF(tcp, "destroy"); + TCP_UNREF(exec_ctx, tcp, "destroy"); } static char *win_get_peer(grpc_endpoint *ep) { @@ -416,7 +398,7 @@ static grpc_workqueue *win_get_workqueue(grpc_endpoint *ep) { return NULL; } static grpc_resource_user *win_get_resource_user(grpc_endpoint *ep) { grpc_tcp *tcp = (grpc_tcp *)ep; - return &tcp->resource_user; + return tcp->resource_user; } static grpc_endpoint_vtable vtable = {win_read, @@ -441,7 +423,7 @@ grpc_endpoint *grpc_tcp_create(grpc_winsocket *socket, grpc_closure_init(&tcp->on_read, on_read, tcp); grpc_closure_init(&tcp->on_write, on_write, tcp); tcp->peer_string = gpr_strdup(peer_string); - grpc_resource_user_init(&tcp->resource_user, resource_quota, peer_string); + tcp->resource_user = grpc_resource_user_create(resource_quota, peer_string); /* Tell network status tracking code about the new endpoint */ grpc_network_status_register_endpoint(&tcp->base);