diff options
author | Nicolas "Pixel" Noble <pixel@nobis-crew.org> | 2016-03-28 20:21:43 +0200 |
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committer | Nicolas "Pixel" Noble <pixel@nobis-crew.org> | 2016-03-28 20:21:43 +0200 |
commit | 1bb17d31cd00d70048c51c99ed5a827ea10389e6 (patch) | |
tree | 7896eefe6e037be157efcade7db989b113130126 /src/core/lib/surface/channel_ping.c | |
parent | 367e5d896b115413f278b239dd63194cb3671c17 (diff) | |
parent | e5cc05b5c6cee7026a0d28d39925621451506820 (diff) |
Merge branch 'master' of https://github.com/grpc/grpc into gpr_malloc_is_all
Diffstat (limited to 'src/core/lib/surface/channel_ping.c')
-rw-r--r-- | src/core/lib/surface/channel_ping.c | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/src/core/lib/surface/channel_ping.c b/src/core/lib/surface/channel_ping.c new file mode 100644 index 0000000000..dd862cdadd --- /dev/null +++ b/src/core/lib/surface/channel_ping.c @@ -0,0 +1,79 @@ +/* + * + * Copyright 2015-2016, Google Inc. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following disclaimer + * in the documentation and/or other materials provided with the + * distribution. + * * Neither the name of Google Inc. nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + */ + +#include "src/core/lib/surface/channel.h" + +#include <string.h> + +#include <grpc/support/alloc.h> +#include <grpc/support/log.h> + +#include "src/core/lib/surface/api_trace.h" +#include "src/core/lib/surface/completion_queue.h" + +typedef struct { + grpc_closure closure; + void *tag; + grpc_completion_queue *cq; + grpc_cq_completion completion_storage; +} ping_result; + +static void ping_destroy(grpc_exec_ctx *exec_ctx, void *arg, + grpc_cq_completion *storage) { + gpr_free(arg); +} + +static void ping_done(grpc_exec_ctx *exec_ctx, void *arg, bool success) { + ping_result *pr = arg; + grpc_cq_end_op(exec_ctx, pr->cq, pr->tag, success, ping_destroy, pr, + &pr->completion_storage); +} + +void grpc_channel_ping(grpc_channel *channel, grpc_completion_queue *cq, + void *tag, void *reserved) { + grpc_transport_op op; + ping_result *pr = gpr_malloc(sizeof(*pr)); + grpc_channel_element *top_elem = + grpc_channel_stack_element(grpc_channel_get_channel_stack(channel), 0); + grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT; + GPR_ASSERT(reserved == NULL); + memset(&op, 0, sizeof(op)); + pr->tag = tag; + pr->cq = cq; + grpc_closure_init(&pr->closure, ping_done, pr); + op.send_ping = &pr->closure; + op.bind_pollset = grpc_cq_pollset(cq); + grpc_cq_begin_op(cq, tag); + top_elem->filter->start_transport_op(&exec_ctx, top_elem, &op); + grpc_exec_ctx_finish(&exec_ctx); +} |