Initial checkin of gRPC to third_party/

third_party/grpc/src/core/surface/call_log_batch.c

Index: third_party/grpc/src/core/surface/call_log_batch.c
diff --git a/third_party/grpc/src/core/surface/call_log_batch.c b/third_party/grpc/src/core/surface/call_log_batch.c
new file mode 100644
index 0000000000000000000000000000000000000000..46756f418b499dd6073015fc8e9446e7a05a1b40
--- /dev/null
+++ b/third_party/grpc/src/core/surface/call_log_batch.c
@@ -0,0 +1,118 @@
+/*
+ *
+ * Copyright 2015, 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/call.h"
+
+#include "src/core/support/string.h"
+#include <grpc/support/alloc.h>
+#include <grpc/support/string_util.h>
+
+static void add_metadata(gpr_strvec *b, const grpc_metadata *md, size_t count) {
+  size_t i;
+  for (i = 0; i < count; i++) {
+    gpr_strvec_add(b, gpr_strdup("\nkey="));
+    gpr_strvec_add(b, gpr_strdup(md[i].key));
+
+    gpr_strvec_add(b, gpr_strdup(" value="));
+    gpr_strvec_add(b, gpr_dump(md[i].value, md[i].value_length,
+                               GPR_DUMP_HEX | GPR_DUMP_ASCII));
+  }
+}
+
+char *grpc_op_string(const grpc_op *op) {
+  char *tmp;
+  char *out;
+
+  gpr_strvec b;
+  gpr_strvec_init(&b);
+
+  switch (op->op) {
+    case GRPC_OP_SEND_INITIAL_METADATA:
+      gpr_strvec_add(&b, gpr_strdup("SEND_INITIAL_METADATA"));
+      add_metadata(&b, op->data.send_initial_metadata.metadata,
+                   op->data.send_initial_metadata.count);
+      break;
+    case GRPC_OP_SEND_MESSAGE:
+      gpr_asprintf(&tmp, "SEND_MESSAGE ptr=%p", op->data.send_message);
+      gpr_strvec_add(&b, tmp);
+      break;
+    case GRPC_OP_SEND_CLOSE_FROM_CLIENT:
+      gpr_strvec_add(&b, gpr_strdup("SEND_CLOSE_FROM_CLIENT"));
+      break;
+    case GRPC_OP_SEND_STATUS_FROM_SERVER:
+      gpr_asprintf(&tmp, "SEND_STATUS_FROM_SERVER status=%d details=%s",
+                   op->data.send_status_from_server.status,
+                   op->data.send_status_from_server.status_details);
+      gpr_strvec_add(&b, tmp);
+      add_metadata(&b, op->data.send_status_from_server.trailing_metadata,
+                   op->data.send_status_from_server.trailing_metadata_count);
+      break;
+    case GRPC_OP_RECV_INITIAL_METADATA:
+      gpr_asprintf(&tmp, "RECV_INITIAL_METADATA ptr=%p",
+                   op->data.recv_initial_metadata);
+      gpr_strvec_add(&b, tmp);
+      break;
+    case GRPC_OP_RECV_MESSAGE:
+      gpr_asprintf(&tmp, "RECV_MESSAGE ptr=%p", op->data.recv_message);
+      gpr_strvec_add(&b, tmp);
+      break;
+    case GRPC_OP_RECV_STATUS_ON_CLIENT:
+      gpr_asprintf(&tmp,
+                   "RECV_STATUS_ON_CLIENT metadata=%p status=%p details=%p",
+                   op->data.recv_status_on_client.trailing_metadata,
+                   op->data.recv_status_on_client.status,
+                   op->data.recv_status_on_client.status_details);
+      gpr_strvec_add(&b, tmp);
+      break;
+    case GRPC_OP_RECV_CLOSE_ON_SERVER:
+      gpr_asprintf(&tmp, "RECV_CLOSE_ON_SERVER cancelled=%p",
+                   op->data.recv_close_on_server.cancelled);
+      gpr_strvec_add(&b, tmp);
+  }
+  out = gpr_strvec_flatten(&b, NULL);
+  gpr_strvec_destroy(&b);
+
+  return out;
+}
+
+void grpc_call_log_batch(char *file, int line, gpr_log_severity severity,
+                         grpc_call *call, const grpc_op *ops, size_t nops,
+                         void *tag) {
+  char *tmp;
+  size_t i;
+  for (i = 0; i < nops; i++) {
+    tmp = grpc_op_string(&ops[i]);
+    gpr_log(file, line, severity, "ops[%d]: %s", i, tmp);
+    gpr_free(tmp);
+  }
+}