diff options
Diffstat (limited to 'src/core/lib/surface/lame_client.c')
-rw-r--r-- | src/core/lib/surface/lame_client.c | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/src/core/lib/surface/lame_client.c b/src/core/lib/surface/lame_client.c index ae1eac09a9..48de0e1d5b 100644 --- a/src/core/lib/surface/lame_client.c +++ b/src/core/lib/surface/lame_client.c @@ -44,10 +44,12 @@ #include "src/core/lib/surface/api_trace.h" #include "src/core/lib/surface/call.h" #include "src/core/lib/surface/channel.h" +#include "src/core/lib/transport/static_metadata.h" typedef struct { grpc_linked_mdelem status; grpc_linked_mdelem details; + gpr_atm filled_metadata; } call_data; typedef struct { @@ -58,17 +60,23 @@ typedef struct { static void fill_metadata(grpc_exec_ctx *exec_ctx, grpc_call_element *elem, grpc_metadata_batch *mdb) { call_data *calld = elem->call_data; + if (!gpr_atm_no_barrier_cas(&calld->filled_metadata, 0, 1)) { + return; + } channel_data *chand = elem->channel_data; char tmp[GPR_LTOA_MIN_BUFSIZE]; gpr_ltoa(chand->error_code, tmp); - calld->status.md = grpc_mdelem_from_strings(exec_ctx, "grpc-status", tmp); - calld->details.md = - grpc_mdelem_from_strings(exec_ctx, "grpc-message", chand->error_message); + calld->status.md = grpc_mdelem_from_slices( + exec_ctx, GRPC_MDSTR_GRPC_STATUS, grpc_slice_from_copied_string(tmp)); + calld->details.md = grpc_mdelem_from_slices( + exec_ctx, GRPC_MDSTR_GRPC_MESSAGE, + grpc_slice_from_copied_string(chand->error_message)); calld->status.prev = calld->details.next = NULL; calld->status.next = &calld->details; calld->details.prev = &calld->status; mdb->list.head = &calld->status; mdb->list.tail = &calld->details; + mdb->list.count = 2; mdb->deadline = gpr_inf_future(GPR_CLOCK_REALTIME); } @@ -115,6 +123,8 @@ static void lame_start_transport_op(grpc_exec_ctx *exec_ctx, static grpc_error *init_call_elem(grpc_exec_ctx *exec_ctx, grpc_call_element *elem, grpc_call_element_args *args) { + call_data *calld = elem->call_data; + gpr_atm_no_barrier_store(&calld->filled_metadata, 0); return GRPC_ERROR_NONE; } |