Changes for C to C++. Adding extern C to header files for compatibility.

Also converting to .cc

1 files changed, 0 insertions, 246 deletions

diff --git a/src/core/lib/transport/service_config.c b/src/core/lib/transport/service_config.c
deleted file mode 100644
index 070a13a2b4..0000000000
--- a/src/core/lib/transport/service_config.c
+++ /dev/null
@@ -1,246 +0,0 @@
-//
-// Copyright 2015 gRPC authors.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-//
-
-#include "src/core/lib/transport/service_config.h"
-
-#include <string.h>
-
-#include <grpc/impl/codegen/grpc_types.h>
-#include <grpc/support/alloc.h>
-#include <grpc/support/log.h>
-#include <grpc/support/string_util.h>
-
-#include "src/core/lib/json/json.h"
-#include "src/core/lib/slice/slice_hash_table.h"
-#include "src/core/lib/slice/slice_internal.h"
-#include "src/core/lib/slice/slice_string_helpers.h"
-#include "src/core/lib/support/string.h"
-
-// The main purpose of the code here is to parse the service config in
-// JSON form, which will look like this:
-//
-// {
-//   "loadBalancingPolicy": "string",  // optional
-//   "methodConfig": [  // array of one or more method_config objects
-//     {
-//       "name": [  // array of one or more name objects
-//         {
-//           "service": "string",  // required
-//           "method": "string",  // optional
-//         }
-//       ],
-//       // remaining fields are optional.
-//       // see https://developers.google.com/protocol-buffers/docs/proto3#json
-//       // for format details.
-//       "waitForReady": bool,
-//       "timeout": "duration_string",
-//       "maxRequestMessageBytes": "int64_string",
-//       "maxResponseMessageBytes": "int64_string",
-//     }
-//   ]
-// }
-
-struct grpc_service_config {
-  char* json_string;  // Underlying storage for json_tree.
-  grpc_json* json_tree;
-};
-
-grpc_service_config* grpc_service_config_create(const char* json_string) {
-  grpc_service_config* service_config =
-      (grpc_service_config*)gpr_malloc(sizeof(*service_config));
-  service_config->json_string = gpr_strdup(json_string);
-  service_config->json_tree =
-      grpc_json_parse_string(service_config->json_string);
-  if (service_config->json_tree == NULL) {
-    gpr_log(GPR_INFO, "failed to parse JSON for service config");
-    gpr_free(service_config->json_string);
-    gpr_free(service_config);
-    return NULL;
-  }
-  return service_config;
-}
-
-void grpc_service_config_destroy(grpc_service_config* service_config) {
-  grpc_json_destroy(service_config->json_tree);
-  gpr_free(service_config->json_string);
-  gpr_free(service_config);
-}
-
-void grpc_service_config_parse_global_params(
-    const grpc_service_config* service_config,
-    void (*process_json)(const grpc_json* json, void* arg), void* arg) {
-  const grpc_json* json = service_config->json_tree;
-  if (json->type != GRPC_JSON_OBJECT || json->key != NULL) return;
-  for (grpc_json* field = json->child; field != NULL; field = field->next) {
-    if (field->key == NULL) return;
-    if (strcmp(field->key, "methodConfig") == 0) continue;
-    process_json(field, arg);
-  }
-}
-
-const char* grpc_service_config_get_lb_policy_name(
-    const grpc_service_config* service_config) {
-  const grpc_json* json = service_config->json_tree;
-  if (json->type != GRPC_JSON_OBJECT || json->key != NULL) return NULL;
-  const char* lb_policy_name = NULL;
-  for (grpc_json* field = json->child; field != NULL; field = field->next) {
-    if (field->key == NULL) return NULL;
-    if (strcmp(field->key, "loadBalancingPolicy") == 0) {
-      if (lb_policy_name != NULL) return NULL;  // Duplicate.
-      if (field->type != GRPC_JSON_STRING) return NULL;
-      lb_policy_name = field->value;
-    }
-  }
-  return lb_policy_name;
-}
-
-// Returns the number of names specified in the method config \a json.
-static size_t count_names_in_method_config_json(grpc_json* json) {
-  size_t num_names = 0;
-  for (grpc_json* field = json->child; field != NULL; field = field->next) {
-    if (field->key != NULL && strcmp(field->key, "name") == 0) ++num_names;
-  }
-  return num_names;
-}
-
-// Returns a path string for the JSON name object specified by \a json.
-// Returns NULL on error.  Caller takes ownership of result.
-static char* parse_json_method_name(grpc_json* json) {
-  if (json->type != GRPC_JSON_OBJECT) return NULL;
-  const char* service_name = NULL;
-  const char* method_name = NULL;
-  for (grpc_json* child = json->child; child != NULL; child = child->next) {
-    if (child->key == NULL) return NULL;
-    if (child->type != GRPC_JSON_STRING) return NULL;
-    if (strcmp(child->key, "service") == 0) {
-      if (service_name != NULL) return NULL;  // Duplicate.
-      if (child->value == NULL) return NULL;
-      service_name = child->value;
-    } else if (strcmp(child->key, "method") == 0) {
-      if (method_name != NULL) return NULL;  // Duplicate.
-      if (child->value == NULL) return NULL;
-      method_name = child->value;
-    }
-  }
-  if (service_name == NULL) return NULL;  // Required field.
-  char* path;
-  gpr_asprintf(&path, "/%s/%s", service_name,
-               method_name == NULL ? "*" : method_name);
-  return path;
-}
-
-// Parses the method config from \a json.  Adds an entry to \a entries for
-// each name found, incrementing \a idx for each entry added.
-// Returns false on error.
-static bool parse_json_method_config(
-    grpc_exec_ctx* exec_ctx, grpc_json* json,
-    void* (*create_value)(const grpc_json* method_config_json),
-    grpc_slice_hash_table_entry* entries, size_t* idx) {
-  // Construct value.
-  void* method_config = create_value(json);
-  if (method_config == NULL) return false;
-  // Construct list of paths.
-  bool success = false;
-  gpr_strvec paths;
-  gpr_strvec_init(&paths);
-  for (grpc_json* child = json->child; child != NULL; child = child->next) {
-    if (child->key == NULL) continue;
-    if (strcmp(child->key, "name") == 0) {
-      if (child->type != GRPC_JSON_ARRAY) goto done;
-      for (grpc_json* name = child->child; name != NULL; name = name->next) {
-        char* path = parse_json_method_name(name);
-        gpr_strvec_add(&paths, path);
-      }
-    }
-  }
-  if (paths.count == 0) goto done;  // No names specified.
-  // Add entry for each path.
-  for (size_t i = 0; i < paths.count; ++i) {
-    entries[*idx].key = grpc_slice_from_copied_string(paths.strs[i]);
-    entries[*idx].value = method_config;
-    ++*idx;
-  }
-  success = true;
-done:
-  gpr_strvec_destroy(&paths);
-  return success;
-}
-
-grpc_slice_hash_table* grpc_service_config_create_method_config_table(
-    grpc_exec_ctx* exec_ctx, const grpc_service_config* service_config,
-    void* (*create_value)(const grpc_json* method_config_json),
-    void (*destroy_value)(grpc_exec_ctx* exec_ctx, void* value)) {
-  const grpc_json* json = service_config->json_tree;
-  // Traverse parsed JSON tree.
-  if (json->type != GRPC_JSON_OBJECT || json->key != NULL) return NULL;
-  size_t num_entries = 0;
-  grpc_slice_hash_table_entry* entries = NULL;
-  for (grpc_json* field = json->child; field != NULL; field = field->next) {
-    if (field->key == NULL) return NULL;
-    if (strcmp(field->key, "methodConfig") == 0) {
-      if (entries != NULL) return NULL;  // Duplicate.
-      if (field->type != GRPC_JSON_ARRAY) return NULL;
-      // Find number of entries.
-      for (grpc_json* method = field->child; method != NULL;
-           method = method->next) {
-        num_entries += count_names_in_method_config_json(method);
-      }
-      // Populate method config table entries.
-      entries = (grpc_slice_hash_table_entry*)gpr_malloc(
-          num_entries * sizeof(grpc_slice_hash_table_entry));
-      size_t idx = 0;
-      for (grpc_json* method = field->child; method != NULL;
-           method = method->next) {
-        if (!parse_json_method_config(exec_ctx, method, create_value, entries,
-                                      &idx)) {
-          return NULL;
-        }
-      }
-      GPR_ASSERT(idx == num_entries);
-    }
-  }
-  // Instantiate method config table.
-  grpc_slice_hash_table* method_config_table = NULL;
-  if (entries != NULL) {
-    method_config_table =
-        grpc_slice_hash_table_create(num_entries, entries, destroy_value, NULL);
-    gpr_free(entries);
-  }
-  return method_config_table;
-}
-
-void* grpc_method_config_table_get(grpc_exec_ctx* exec_ctx,
-                                   const grpc_slice_hash_table* table,
-                                   grpc_slice path) {
-  void* value = grpc_slice_hash_table_get(table, path);
-  // If we didn't find a match for the path, try looking for a wildcard
-  // entry (i.e., change "/service/method" to "/service/*").
-  if (value == NULL) {
-    char* path_str = grpc_slice_to_c_string(path);
-    const char* sep = strrchr(path_str, '/') + 1;
-    const size_t len = (size_t)(sep - path_str);
-    char* buf = (char*)gpr_malloc(len + 2);  // '*' and NUL
-    memcpy(buf, path_str, len);
-    buf[len] = '*';
-    buf[len + 1] = '\0';
-    grpc_slice wildcard_path = grpc_slice_from_copied_string(buf);
-    gpr_free(buf);
-    value = grpc_slice_hash_table_get(table, wildcard_path);
-    grpc_slice_unref_internal(exec_ctx, wildcard_path);
-    gpr_free(path_str);
-  }
-  return value;
-}