diff options
Diffstat (limited to 'src/core/lib/surface/call.c')
| -rw-r--r-- | src/core/lib/surface/call.c | 17 |
1 files changed, 14 insertions, 3 deletions
diff --git a/src/core/lib/surface/call.c b/src/core/lib/surface/call.c index 0219d7e6d0..37cc724b53 100644 --- a/src/core/lib/surface/call.c +++ b/src/core/lib/surface/call.c @@ -1,6 +1,6 @@ /* * - * Copyright 2015-2016, Google Inc. + * Copyright 2015, Google Inc. * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -912,7 +912,7 @@ static void set_cancelled_value(grpc_status_code status, void *dest) { *(int *)dest = (status != GRPC_STATUS_OK); } -static int are_write_flags_valid(uint32_t flags) { +static bool are_write_flags_valid(uint32_t flags) { /* check that only bits in GRPC_WRITE_(INTERNAL?)_USED_MASK are set */ const uint32_t allowed_write_positions = (GRPC_WRITE_USED_MASK | GRPC_WRITE_INTERNAL_USED_MASK); @@ -920,6 +920,15 @@ static int are_write_flags_valid(uint32_t flags) { return !(flags & invalid_positions); } +static bool are_initial_metadata_flags_valid(uint32_t flags, bool is_client) { + /* check that only bits in GRPC_WRITE_(INTERNAL?)_USED_MASK are set */ + uint32_t invalid_positions = ~GRPC_INITIAL_METADATA_USED_MASK; + if (!is_client) { + invalid_positions |= GRPC_INITIAL_METADATA_IDEMPOTENT_REQUEST; + } + return !(flags & invalid_positions); +} + static batch_control *allocate_batch_control(grpc_call *call) { size_t i; for (i = 0; i < MAX_CONCURRENT_BATCHES; i++) { @@ -1199,7 +1208,7 @@ static grpc_call_error call_start_batch(grpc_exec_ctx *exec_ctx, switch (op->op) { case GRPC_OP_SEND_INITIAL_METADATA: /* Flag validation: currently allow no flags */ - if (op->flags != 0) { + if (!are_initial_metadata_flags_valid(op->flags, call->is_client)) { error = GRPC_CALL_ERROR_INVALID_FLAGS; goto done_with_error; } @@ -1223,6 +1232,8 @@ static grpc_call_error call_start_batch(grpc_exec_ctx *exec_ctx, call->metadata_batch[0][0].deadline = call->send_deadline; stream_op.send_initial_metadata = &call->metadata_batch[0 /* is_receiving */][0 /* is_trailing */]; + stream_op.send_idempotent_request = + (op->flags & GRPC_INITIAL_METADATA_IDEMPOTENT_REQUEST) != 0; break; case GRPC_OP_SEND_MESSAGE: if (!are_write_flags_valid(op->flags)) { |