Muxi Yan
8 years ago
parent
b53fd4df37
commit
f63afec89d
18 changed files with 250 additions and 14 deletions
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//
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// Copyright 2017, Google Inc.
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following disclaimer
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// in the documentation and/or other materials provided with the
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// distribution.
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived from
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// this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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#include "src/core/ext/filters/workarounds/workaround_utils.h" |
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#include <grpc/support/alloc.h> |
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#include <grpc/support/log.h> |
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static user_agent_parser user_agent_parsers[GRPC_MAX_WORKAROUND_ID]; |
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grpc_user_agent_md *grpc_parse_user_agent(grpc_mdelem md) { |
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grpc_user_agent_md *user_agent_md; |
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// USE THE CACHE WHEN ABLE
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user_agent_md = gpr_malloc(sizeof(grpc_user_agent_md)); |
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for (int i = 0; i < GRPC_MAX_WORKAROUND_ID; i++) { |
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if (user_agent_parsers[i]) { |
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user_agent_md->workaround_active[i] = user_agent_parsers[i](md); |
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} |
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} |
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return user_agent_md; |
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} |
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void grpc_register_workaround(uint32_t id, user_agent_parser parser) { |
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GPR_ASSERT(id < GRPC_MAX_WORKAROUND_ID); |
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user_agent_parsers[id] = parser; |
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} |
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@ -0,0 +1,54 @@ |
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//
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// Copyright 2017, Google Inc.
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following disclaimer
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// in the documentation and/or other materials provided with the
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// distribution.
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived from
|
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// this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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#ifndef GRPC_CORE_EXT_FILTERS_WORKAROUNDS_WORKAROUND_UTILS |
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#define GRPC_CORE_EXT_FILTERS_WORKAROUNDS_WORKAROUND_UTILS |
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#include "src/core/lib/transport/metadata.h" |
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#define GRPC_WORKAROUND_PRIORITY_HIGH 9999 |
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typedef enum { |
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GRPC_WORKAROUND_ID_CRONET_COMPRESSION = 0, |
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GRPC_MAX_WORKAROUND_ID, |
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} grpc_workaround_list; |
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typedef struct grpc_user_agent_md { |
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bool workaround_active[GRPC_MAX_WORKAROUND_ID]; |
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} grpc_user_agent_md; |
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grpc_user_agent_md *grpc_parse_user_agent(grpc_mdelem md); |
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typedef bool (*user_agent_parser)(grpc_mdelem); |
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void grpc_register_workaround(uint32_t id, user_agent_parser parser); |
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#endif |
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