| /* |
| * |
| * Copyright 2014, Google Inc. |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are |
| * met: |
| * |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following disclaimer |
| * in the documentation and/or other materials provided with the |
| * distribution. |
| * * Neither the name of Google Inc. nor the names of its |
| * contributors may be used to endorse or promote products derived from |
| * this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| * |
| */ |
| |
| #include "src/core/surface/event_string.h" |
| |
| #include <stdio.h> |
| |
| #include <grpc/support/string.h> |
| #include <grpc/byte_buffer.h> |
| |
| static size_t addhdr(char *p, grpc_event *ev) { |
| return sprintf(p, "tag:%p call:%p", ev->tag, (void *)ev->call); |
| } |
| |
| static const char *errstr(grpc_op_error err) { |
| switch (err) { |
| case GRPC_OP_OK: |
| return "OK"; |
| case GRPC_OP_ERROR: |
| return "ERROR"; |
| } |
| return "UNKNOWN_UNKNOWN"; |
| } |
| |
| static size_t adderr(char *p, grpc_op_error err) { |
| return sprintf(p, " err=%s", errstr(err)); |
| } |
| |
| char *grpc_event_string(grpc_event *ev) { |
| char buffer[1024]; |
| char *p = buffer; |
| |
| if (ev == NULL) return gpr_strdup("null"); |
| |
| switch (ev->type) { |
| case GRPC_QUEUE_SHUTDOWN: |
| p += sprintf(p, "QUEUE_SHUTDOWN"); |
| break; |
| case GRPC_READ: |
| p += sprintf(p, "READ: "); |
| p += addhdr(p, ev); |
| if (ev->data.read) { |
| p += sprintf(p, " %d bytes", |
| (int)grpc_byte_buffer_length(ev->data.read)); |
| } else { |
| p += sprintf(p, " end-of-stream"); |
| } |
| break; |
| case GRPC_INVOKE_ACCEPTED: |
| p += sprintf(p, "INVOKE_ACCEPTED: "); |
| p += addhdr(p, ev); |
| p += adderr(p, ev->data.invoke_accepted); |
| break; |
| case GRPC_WRITE_ACCEPTED: |
| p += sprintf(p, "WRITE_ACCEPTED: "); |
| p += addhdr(p, ev); |
| p += adderr(p, ev->data.write_accepted); |
| break; |
| case GRPC_FINISH_ACCEPTED: |
| p += sprintf(p, "FINISH_ACCEPTED: "); |
| p += addhdr(p, ev); |
| p += adderr(p, ev->data.write_accepted); |
| break; |
| case GRPC_CLIENT_METADATA_READ: |
| p += sprintf(p, "CLIENT_METADATA_READ: "); |
| p += addhdr(p, ev); |
| p += sprintf(p, " %d elements", (int)ev->data.client_metadata_read.count); |
| break; |
| case GRPC_FINISHED: |
| p += sprintf(p, "FINISHED: "); |
| p += addhdr(p, ev); |
| p += sprintf(p, " status=%d details='%s' %d metadata elements", |
| ev->data.finished.status, ev->data.finished.details, |
| (int)ev->data.finished.metadata_count); |
| break; |
| case GRPC_SERVER_RPC_NEW: |
| p += sprintf(p, "SERVER_RPC_NEW: "); |
| p += addhdr(p, ev); |
| p += sprintf(p, " method='%s' host='%s' %d metadata elements", |
| ev->data.server_rpc_new.method, ev->data.server_rpc_new.host, |
| (int)ev->data.server_rpc_new.metadata_count); |
| break; |
| case GRPC_COMPLETION_DO_NOT_USE: |
| p += sprintf(p, "DO_NOT_USE (this is a bug)"); |
| p += addhdr(p, ev); |
| break; |
| } |
| |
| return gpr_strdup(buffer); |
| } |