diff options
Diffstat (limited to 'test/core/fling/server.c')
| -rw-r--r-- | test/core/fling/server.c | 192 |
1 files changed, 158 insertions, 34 deletions
diff --git a/test/core/fling/server.c b/test/core/fling/server.c index ba5e96ddc0..bc52059b38 100644 --- a/test/core/fling/server.c +++ b/test/core/fling/server.c @@ -52,17 +52,118 @@ static grpc_completion_queue *cq; static grpc_server *server; +static grpc_call *call; +static grpc_call_details call_details; +static grpc_metadata_array request_metadata_recv; +static grpc_metadata_array initial_metadata_send; +static grpc_byte_buffer *payload_buffer = NULL; +/* Used to drain the terminal read in unary calls. */ +static grpc_byte_buffer *terminal_buffer = NULL; + +static grpc_op read_op; +static grpc_op metadata_send_op; +static grpc_op write_op; +static grpc_op status_op[2]; +static int was_cancelled = 2; +static grpc_op unary_ops[6]; static int got_sigint = 0; +static void *tag(gpr_intptr t) { return (void *)t; } + +typedef enum { + FLING_SERVER_NEW_REQUEST = 1, + FLING_SERVER_READ_FOR_UNARY, + FLING_SERVER_BATCH_OPS_FOR_UNARY, + FLING_SERVER_SEND_INIT_METADATA_FOR_STREAMING, + FLING_SERVER_READ_FOR_STREAMING, + FLING_SERVER_WRITE_FOR_STREAMING, + FLING_SERVER_SEND_STATUS_FOR_STREAMING +} fling_server_tags; + typedef struct { gpr_refcount pending_ops; gpr_uint32 flags; } call_state; static void request_call(void) { - call_state *s = gpr_malloc(sizeof(call_state)); - gpr_ref_init(&s->pending_ops, 2); - grpc_server_request_call_old(server, s); + grpc_metadata_array_init(&request_metadata_recv); + grpc_call_details_init(&call_details); + grpc_server_request_call(server, &call, &call_details, &request_metadata_recv, + cq, tag(FLING_SERVER_NEW_REQUEST)); +} + +static void handle_unary_method(void) { + grpc_op *op; + + grpc_metadata_array_init(&initial_metadata_send); + + op = unary_ops; + op->op = GRPC_OP_SEND_INITIAL_METADATA; + op->data.send_initial_metadata.count = 0; + op++; + op->op = GRPC_OP_RECV_MESSAGE; + op->data.recv_message = &terminal_buffer; + op++; + op->op = GRPC_OP_SEND_MESSAGE; + if (payload_buffer == NULL) { + gpr_log(GPR_INFO, "NULL payload buffer !!!"); + } + op->data.send_message = payload_buffer; + op++; + op->op = GRPC_OP_SEND_STATUS_FROM_SERVER; + op->data.send_status_from_server.status = GRPC_STATUS_OK; + op->data.send_status_from_server.trailing_metadata_count = 0; + op->data.send_status_from_server.status_details = ""; + op++; + op->op = GRPC_OP_RECV_CLOSE_ON_SERVER; + op->data.recv_close_on_server.cancelled = &was_cancelled; + op++; + + GPR_ASSERT(GRPC_CALL_OK == + grpc_call_start_batch(call, unary_ops, op - unary_ops, + tag(FLING_SERVER_BATCH_OPS_FOR_UNARY))); +} + +static void send_initial_metadata(void) { + grpc_metadata_array_init(&initial_metadata_send); + metadata_send_op.op = GRPC_OP_SEND_INITIAL_METADATA; + metadata_send_op.data.send_initial_metadata.count = 0; + GPR_ASSERT(GRPC_CALL_OK == + grpc_call_start_batch( + call, &metadata_send_op, 1, + tag(FLING_SERVER_SEND_INIT_METADATA_FOR_STREAMING))); +} + +static void start_read_op(int t) { + /* Starting read at server */ + read_op.op = GRPC_OP_RECV_MESSAGE; + read_op.data.recv_message = &payload_buffer; + GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(call, &read_op, 1, tag(t))); +} + +static void start_write_op(void) { + /* Starting write at server */ + write_op.op = GRPC_OP_SEND_MESSAGE; + if (payload_buffer == NULL) { + gpr_log(GPR_INFO, "NULL payload buffer !!!"); + } + write_op.data.send_message = payload_buffer; + GPR_ASSERT(GRPC_CALL_OK == + grpc_call_start_batch(call, &write_op, 1, + tag(FLING_SERVER_WRITE_FOR_STREAMING))); +} + +static void start_send_status(void) { + status_op[0].op = GRPC_OP_SEND_STATUS_FROM_SERVER; + status_op[0].data.send_status_from_server.status = GRPC_STATUS_OK; + status_op[0].data.send_status_from_server.trailing_metadata_count = 0; + status_op[0].data.send_status_from_server.status_details = ""; + status_op[1].op = GRPC_OP_RECV_CLOSE_ON_SERVER; + status_op[1].data.recv_close_on_server.cancelled = &was_cancelled; + + GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch( + call, status_op, 2, + tag(FLING_SERVER_SEND_STATUS_FOR_STREAMING))); } static void sigint_handler(int x) { got_sigint = 1; } @@ -133,43 +234,66 @@ int main(int argc, char **argv) { if (!ev) continue; s = ev->tag; switch (ev->type) { - case GRPC_SERVER_RPC_NEW: - if (ev->call != NULL) { - /* initial ops are already started in request_call */ - if (0 == strcmp(ev->data.server_rpc_new.method, - "/Reflector/reflectStream")) { - s->flags = 0; - } else { - s->flags = GRPC_WRITE_BUFFER_HINT; - } - grpc_call_server_accept_old(ev->call, cq, s); - grpc_call_server_end_initial_metadata_old(ev->call, s->flags); - GPR_ASSERT(grpc_call_start_read_old(ev->call, s) == GRPC_CALL_OK); - request_call(); - } else { - GPR_ASSERT(shutdown_started); - gpr_free(s); + case GRPC_OP_COMPLETE: + switch ((gpr_intptr)s) { + case FLING_SERVER_NEW_REQUEST: + if (call != NULL) { + if (0 == + strcmp(call_details.method, "/Reflector/reflectStream")) { + /* Received streaming call. Send metadata here. */ + start_read_op(FLING_SERVER_READ_FOR_STREAMING); + send_initial_metadata(); + } else { + /* Received unary call. Can do all ops in one batch. */ + start_read_op(FLING_SERVER_READ_FOR_UNARY); + } + } else { + GPR_ASSERT(shutdown_started); + } + /* request_call(); + */ + break; + case FLING_SERVER_READ_FOR_STREAMING: + if (payload_buffer != NULL) { + /* Received payload from client. */ + start_write_op(); + } else { + /* Received end of stream from client. */ + start_send_status(); + } + break; + case FLING_SERVER_WRITE_FOR_STREAMING: + /* Write completed at server */ + start_read_op(FLING_SERVER_READ_FOR_STREAMING); + break; + case FLING_SERVER_SEND_INIT_METADATA_FOR_STREAMING: + /* Metadata send completed at server */ + break; + case FLING_SERVER_SEND_STATUS_FOR_STREAMING: + /* Send status and close completed at server */ + grpc_call_destroy(call); + request_call(); + break; + case FLING_SERVER_READ_FOR_UNARY: + /* Finished payload read for unary. Start all reamaining + * unary ops in a batch. + */ + handle_unary_method(); + break; + case FLING_SERVER_BATCH_OPS_FOR_UNARY: + /* Finished unary call. */ + grpc_call_destroy(call); + request_call(); + break; } break; + case GRPC_SERVER_RPC_NEW: case GRPC_WRITE_ACCEPTED: - GPR_ASSERT(ev->data.write_accepted == GRPC_OP_OK); - GPR_ASSERT(grpc_call_start_read_old(ev->call, s) == GRPC_CALL_OK); - break; case GRPC_READ: - if (ev->data.read) { - GPR_ASSERT(grpc_call_start_write_old(ev->call, ev->data.read, s, - s->flags) == GRPC_CALL_OK); - } else { - GPR_ASSERT(grpc_call_start_write_status_old(ev->call, GRPC_STATUS_OK, - NULL, s) == GRPC_CALL_OK); - } - break; case GRPC_FINISH_ACCEPTED: case GRPC_FINISHED: - if (gpr_unref(&s->pending_ops)) { - grpc_call_destroy(ev->call); - gpr_free(s); - } + gpr_log(GPR_ERROR, "Unexpected event type."); + abort(); break; case GRPC_QUEUE_SHUTDOWN: GPR_ASSERT(shutdown_started); |