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Diffstat (limited to 'include/grpc/impl/codegen/propagation_bits.h')
-rw-r--r-- | include/grpc/impl/codegen/propagation_bits.h | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/include/grpc/impl/codegen/propagation_bits.h b/include/grpc/impl/codegen/propagation_bits.h new file mode 100644 index 0000000000..989b86f2aa --- /dev/null +++ b/include/grpc/impl/codegen/propagation_bits.h @@ -0,0 +1,67 @@ +/* + * + * Copyright 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. + * + */ + +#ifndef GRPC_IMPL_CODEGEN_H +#define GRPC_IMPL_CODEGEN_H + +#include <stdint.h> + +#ifdef __cplusplus +extern "C" { +#endif + +/* Propagation bits: this can be bitwise or-ed to form propagation_mask for + * grpc_call */ +/** Propagate deadline */ +#define GRPC_PROPAGATE_DEADLINE ((uint32_t)1) +/** Propagate census context */ +#define GRPC_PROPAGATE_CENSUS_STATS_CONTEXT ((uint32_t)2) +#define GRPC_PROPAGATE_CENSUS_TRACING_CONTEXT ((uint32_t)4) +/** Propagate cancellation */ +#define GRPC_PROPAGATE_CANCELLATION ((uint32_t)8) + +/* Default propagation mask: clients of the core API are encouraged to encode + deltas from this in their implementations... ie write: + GRPC_PROPAGATE_DEFAULTS & ~GRPC_PROPAGATE_DEADLINE to disable deadline + propagation. Doing so gives flexibility in the future to define new + propagation types that are default inherited or not. */ +#define GRPC_PROPAGATE_DEFAULTS \ + ((uint32_t)(( \ + 0xffff | GRPC_PROPAGATE_DEADLINE | GRPC_PROPAGATE_CENSUS_STATS_CONTEXT | \ + GRPC_PROPAGATE_CENSUS_TRACING_CONTEXT | GRPC_PROPAGATE_CANCELLATION))) + +#ifdef __cplusplus +} +#endif + +#endif /* GRPC_IMPL_CODEGEN_H */ |