static void tcp_handle_write(grpc_exec_ctx *exec_ctx, void *arg /* grpc_tcp */,
grpc_error *error) {
grpc_tcp *tcp = (grpc_tcp *)arg;
grpc_closure *cb;
if (error != GRPC_ERROR_NONE) {
cb = tcp->write_cb;
tcp->write_cb = NULL;
cb->cb(exec_ctx, cb->cb_arg, error);
TCP_UNREF(exec_ctx, tcp, "write");
return;
}
if (!tcp_flush(tcp, &error)) {
if (grpc_tcp_trace) {
gpr_log(GPR_DEBUG, "write: delayed");
}
grpc_fd_notify_on_write(exec_ctx, tcp->em_fd, &tcp->write_closure);
} else {
cb = tcp->write_cb;
tcp->write_cb = NULL;
if (grpc_tcp_trace) {
const char *str = grpc_error_string(error);
gpr_log(GPR_DEBUG, "write: %s", str);
grpc_error_free_string(str);
}
grpc_closure_run(exec_ctx, cb, error);
TCP_UNREF(exec_ctx, tcp, "write");
}
}
static void reclaimer_cb(grpc_exec_ctx *exec_ctx, void *args,
grpc_error *error) {
GPR_ASSERT(error == GRPC_ERROR_NONE);
reclaimer_args *a = args;
grpc_resource_user_free(exec_ctx, a->resource_user, a->size);
grpc_resource_user_finish_reclamation(exec_ctx, a->resource_user);
grpc_closure_run(exec_ctx, a->then, GRPC_ERROR_NONE);
gpr_free(a);
}
static void ru_allocated_slices(grpc_exec_ctx *exec_ctx, void *arg,
grpc_error *error) {
grpc_resource_user_slice_allocator *slice_allocator = arg;
if (error == GRPC_ERROR_NONE) {
for (size_t i = 0; i < slice_allocator->count; i++) {
grpc_slice_buffer_add_indexed(
slice_allocator->dest, ru_slice_create(slice_allocator->resource_user,
slice_allocator->length));
}
}
grpc_closure_run(exec_ctx, &slice_allocator->on_done, GRPC_ERROR_REF(error));
}
static void hc_on_recv_trailing_metadata(grpc_exec_ctx *exec_ctx,
void *user_data, grpc_error *error) {
grpc_call_element *elem = user_data;
call_data *calld = elem->call_data;
client_recv_filter_args a;
a.elem = elem;
a.exec_ctx = exec_ctx;
grpc_metadata_batch_filter(calld->recv_trailing_metadata, client_recv_filter,
&a);
grpc_closure_run(exec_ctx, calld->on_done_recv_trailing_metadata,
GRPC_ERROR_REF(error));
}
/* returns true if reclamation is proceeding */
static bool rq_reclaim(grpc_exec_ctx *exec_ctx,
grpc_resource_quota *resource_quota, bool destructive) {
if (resource_quota->reclaiming) return true;
grpc_rulist list = destructive ? GRPC_RULIST_RECLAIMER_DESTRUCTIVE
: GRPC_RULIST_RECLAIMER_BENIGN;
grpc_resource_user *resource_user = rulist_pop_head(resource_quota, list);
if (resource_user == NULL) return false;
if (grpc_resource_quota_trace) {
gpr_log(GPR_DEBUG, "RQ %s %s: initiate %s reclamation",
resource_quota->name, resource_user->name,
destructive ? "destructive" : "benign");
}
resource_quota->reclaiming = true;
grpc_resource_quota_internal_ref(resource_quota);
grpc_closure *c = resource_user->reclaimers[destructive];
resource_user->reclaimers[destructive] = NULL;
grpc_closure_run(exec_ctx, c, GRPC_ERROR_NONE);
return true;
}
static void call_read_cb(grpc_exec_ctx *exec_ctx, grpc_tcp *tcp,
grpc_error *error) {
grpc_closure *cb = tcp->read_cb;
if (grpc_tcp_trace) {
size_t i;
const char *str = grpc_error_string(error);
gpr_log(GPR_DEBUG, "read: error=%s", str);
grpc_error_free_string(str);
for (i = 0; i < tcp->incoming_buffer->count; i++) {
char *dump = grpc_dump_slice(tcp->incoming_buffer->slices[i],
GPR_DUMP_HEX | GPR_DUMP_ASCII);
gpr_log(GPR_DEBUG, "READ %p (peer=%s): %s", tcp, tcp->peer_string, dump);
gpr_free(dump);
}
}
tcp->read_cb = NULL;
tcp->incoming_buffer = NULL;
grpc_closure_run(exec_ctx, cb, error);
}
static void unused_reclaimer_cb(grpc_exec_ctx *exec_ctx, void *arg,
grpc_error *error) {
GPR_ASSERT(error == GRPC_ERROR_CANCELLED);
grpc_closure_run(exec_ctx, arg, GRPC_ERROR_NONE);
}