src/core/ext/filters/workarounds/workaround_utils.c

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#include "src/core/ext/filters/workarounds/workaround_utils.h"

#include <grpc/support/alloc.h>
#include <grpc/support/log.h>

static user_agent_parser user_agent_parsers[GRPC_MAX_WORKAROUND_ID];

grpc_user_agent_md *grpc_parse_user_agent(grpc_mdelem md) {
  grpc_user_agent_md *user_agent_md;

  // USE THE CACHE WHEN ABLE

  user_agent_md = gpr_malloc(sizeof(grpc_user_agent_md));
  for (int i = 0; i < GRPC_MAX_WORKAROUND_ID; i++) {
    if (user_agent_parsers[i]) {
      user_agent_md->workaround_active[i] = user_agent_parsers[i](md);
    }
  }

  return user_agent_md;
}

void grpc_register_workaround(uint32_t id, user_agent_parser parser) {
  GPR_ASSERT(id < GRPC_MAX_WORKAROUND_ID);
  user_agent_parsers[id] = parser;
}