diff options
Diffstat (limited to 'src/core/surface/server.c')
-rw-r--r-- | src/core/surface/server.c | 30 |
1 files changed, 27 insertions, 3 deletions
diff --git a/src/core/surface/server.c b/src/core/surface/server.c index 5b13d4ba52..068ea9d9a3 100644 --- a/src/core/surface/server.c +++ b/src/core/surface/server.c @@ -101,6 +101,7 @@ typedef struct requested_call { typedef struct channel_registered_method { registered_method *server_registered_method; + uint32_t flags; grpc_mdstr *method; grpc_mdstr *host; } channel_registered_method; @@ -153,6 +154,7 @@ struct call_data { grpc_completion_queue *cq_new; grpc_metadata_batch *recv_initial_metadata; + bool recv_idempotent_request; grpc_metadata_array initial_metadata; grpc_closure got_initial_metadata; @@ -172,6 +174,7 @@ struct request_matcher { struct registered_method { char *method; char *host; + uint32_t flags; request_matcher request_matcher; registered_method *next; }; @@ -472,6 +475,9 @@ static void start_new_rpc(grpc_exec_ctx *exec_ctx, grpc_call_element *elem) { if (!rm) break; if (rm->host != calld->host) continue; if (rm->method != calld->path) continue; + if ((rm->flags & GRPC_INITIAL_METADATA_IDEMPOTENT_REQUEST) && + !calld->recv_idempotent_request) + continue; finish_start_new_rpc(exec_ctx, server, elem, &rm->server_registered_method->request_matcher); return; @@ -484,6 +490,9 @@ static void start_new_rpc(grpc_exec_ctx *exec_ctx, grpc_call_element *elem) { if (!rm) break; if (rm->host != NULL) continue; if (rm->method != calld->path) continue; + if ((rm->flags & GRPC_INITIAL_METADATA_IDEMPOTENT_REQUEST) && + !calld->recv_idempotent_request) + continue; finish_start_new_rpc(exec_ctx, server, elem, &rm->server_registered_method->request_matcher); return; @@ -602,9 +611,11 @@ static void server_mutate_op(grpc_call_element *elem, call_data *calld = elem->call_data; if (op->recv_initial_metadata != NULL) { + GPR_ASSERT(op->recv_idempotent_request == NULL); calld->recv_initial_metadata = op->recv_initial_metadata; calld->on_done_recv_initial_metadata = op->recv_initial_metadata_ready; op->recv_initial_metadata_ready = &calld->server_on_recv_initial_metadata; + op->recv_idempotent_request = &calld->recv_idempotent_request; } } @@ -845,10 +856,12 @@ static int streq(const char *a, const char *b) { } void *grpc_server_register_method(grpc_server *server, const char *method, - const char *host) { + const char *host, uint32_t flags) { registered_method *m; - GRPC_API_TRACE("grpc_server_register_method(server=%p, method=%s, host=%s)", - 3, (server, method, host)); + GRPC_API_TRACE( + "grpc_server_register_method(server=%p, method=%s, host=%s, " + "flags=0x%08x)", + 4, (server, method, host, flags)); if (!method) { gpr_log(GPR_ERROR, "grpc_server_register_method method string cannot be NULL"); @@ -861,12 +874,18 @@ void *grpc_server_register_method(grpc_server *server, const char *method, return NULL; } } + if ((flags & ~GRPC_INITIAL_METADATA_USED_MASK) != 0) { + gpr_log(GPR_ERROR, "grpc_server_register_method invalid flags 0x%08x", + flags); + return NULL; + } m = gpr_malloc(sizeof(registered_method)); memset(m, 0, sizeof(*m)); request_matcher_init(&m->request_matcher, server->max_requested_calls); m->method = gpr_strdup(method); m->host = gpr_strdup(host); m->next = server->registered_methods; + m->flags = flags; server->registered_methods = m; return m; } @@ -957,6 +976,7 @@ void grpc_server_setup_transport(grpc_exec_ctx *exec_ctx, grpc_server *s, if (probes > max_probes) max_probes = probes; crm = &chand->registered_methods[(hash + probes) % slots]; crm->server_registered_method = rm; + crm->flags = rm->flags; crm->host = host; crm->method = method; } @@ -1279,6 +1299,10 @@ static void begin_call(grpc_exec_ctx *exec_ctx, grpc_server *server, cpstr(&rc->data.batch.details->method, &rc->data.batch.details->method_capacity, calld->path); rc->data.batch.details->deadline = calld->deadline; + rc->data.batch.details->flags = + 0 | (calld->recv_idempotent_request + ? GRPC_INITIAL_METADATA_IDEMPOTENT_REQUEST + : 0); break; case REGISTERED_CALL: *rc->data.registered.deadline = calld->deadline; |