Move plugin/srpc contents to the more appropriately named plugin/common....

src/trusted/plugin/srpc/method_map.cc

-/*
- * Copyright 2008 The Native Client Authors. All rights reserved.
- * Use of this source code is governed by a BSD-style license that can
- * be found in the LICENSE file.
- */
-
-
-#include <map>
-
-#include "native_client/src/include/checked_cast.h"
-#include "native_client/src/shared/platform/nacl_log.h"
-
-#include "native_client/src/trusted/desc/nacl_desc_base.h"
-#include "native_client/src/trusted/nonnacl_util/sel_ldr_launcher.h"
-
-#include "native_client/src/trusted/plugin/srpc/method_map.h"
-#include "native_client/src/trusted/plugin/srpc/plugin.h"
-#include "native_client/src/trusted/plugin/srpc/srpc_client.h"
-#include "native_client/src/trusted/plugin/srpc/utility.h"
-
-using nacl::assert_cast;
-
-namespace {
-
-uint32_t ArgsLength(NaClSrpcArg** index) {
-  uint32_t i;
-  for (i = 0; (i < NACL_SRPC_MAX_ARGS) && NULL != index[i]; ++i) {
-    // Empty body.  Avoids warning.
-  }
-  return i;
-}
-
-}  // namespace
-
-namespace plugin {
-
-bool SrpcParams::Init(const char* in_types, const char* out_types) {
-  if (!FillVec(ins_, in_types)) {
-    return false;
-  }
-  if (!FillVec(outs_, out_types)) {
-    FreeArguments(ins_);
-    return false;
-  }
-  return true;
-}
-
-uint32_t SrpcParams::OutputLength() const {
-  return ArgsLength(const_cast<NaClSrpcArg**>(outs_));
-}
-
-uint32_t SrpcParams::SignatureLength() const {
-  uint32_t in_length = ArgsLength(const_cast<NaClSrpcArg**>(ins_));
-  uint32_t out_length = ArgsLength(const_cast<NaClSrpcArg**>(outs_));
-  uint32_t array_outs = 0;
-
-  for (uint32_t i = 0; i < out_length; ++i) {
-    switch (outs_[i]->tag) {
-      case NACL_SRPC_ARG_TYPE_CHAR_ARRAY:
-      case NACL_SRPC_ARG_TYPE_DOUBLE_ARRAY:
-      case NACL_SRPC_ARG_TYPE_INT_ARRAY:
-        ++array_outs;
-        break;
-      case NACL_SRPC_ARG_TYPE_STRING:
-      case NACL_SRPC_ARG_TYPE_BOOL:
-      case NACL_SRPC_ARG_TYPE_DOUBLE:
-      case NACL_SRPC_ARG_TYPE_INT:
-      case NACL_SRPC_ARG_TYPE_HANDLE:
-      case NACL_SRPC_ARG_TYPE_INVALID:
-      case NACL_SRPC_ARG_TYPE_OBJECT:
-      case NACL_SRPC_ARG_TYPE_VARIANT_ARRAY:
-      default:
-        break;
-    }
-  }
-  return in_length + array_outs;
-}
-
-void SrpcParams::FreeAll() {
-  FreeArguments(ins_);
-  FreeArguments(outs_);
-  memset(ins_, 0, sizeof(ins_));
-  memset(outs_, 0, sizeof(outs_));
-}
-
-bool SrpcParams::FillVec(NaClSrpcArg* vec[], const char* types) {
-  const size_t kLength = strlen(types);
-  if (kLength > NACL_SRPC_MAX_ARGS) {
-    return false;
-  }
-  // We use malloc/new here rather than new/delete, because the SRPC layer
-  // is written in C, and hence will use malloc/free.
-  NaClSrpcArg* args =
-      reinterpret_cast<NaClSrpcArg*>(malloc(kLength * sizeof(*args)));
-  if (NULL == args) {
-    return false;
-  }
-
-  memset(static_cast<void*>(args), 0, kLength * sizeof(*args));
-  for (size_t i = 0; i < kLength; ++i) {
-    vec[i] = &args[i];
-    args[i].tag = static_cast<NaClSrpcArgType>(types[i]);
-  }
-  vec[kLength] = NULL;
-  return true;
-}
-
-void SrpcParams::FreeArguments(NaClSrpcArg* vec[]) {
-  if (NULL == vec[0]) {
-    return;
-  }
-  for (NaClSrpcArg** argp = vec; *argp; ++argp) {
-    FreeSrpcArg(*argp);
-  }
-  // Free the vector containing the arguments themselves.
-  free(vec[0]);
-}
-
-MethodInfo::~MethodInfo() {
-    free(reinterpret_cast<void*>(name_));
-    free(reinterpret_cast<void*>(ins_));
-    free(reinterpret_cast<void*>(outs_));
-  }
-
-bool InitSrpcArgArray(NaClSrpcArg* arr, int size) {
-  arr->tag = NACL_SRPC_ARG_TYPE_VARIANT_ARRAY;
-  arr->u.vaval.varr = reinterpret_cast<NaClSrpcArg*>(
-      calloc(size, sizeof(*(arr->u.vaval.varr))));
-  if (NULL == arr->u.vaval.varr) {
-    arr->u.vaval.count = 0;
-    return false;
-  }
-  arr->u.vaval.count = size;
-  return true;
-}
-
-void FreeSrpcArg(NaClSrpcArg* arg) {
-  switch (arg->tag) {
-    case NACL_SRPC_ARG_TYPE_CHAR_ARRAY:
-      free(arg->u.caval.carr);
-      break;
-    case NACL_SRPC_ARG_TYPE_DOUBLE_ARRAY:
-      free(arg->u.daval.darr);
-      break;
-    case NACL_SRPC_ARG_TYPE_HANDLE:
-      break;
-    case NACL_SRPC_ARG_TYPE_INT_ARRAY:
-      free(arg->u.iaval.iarr);
-      break;
-    case NACL_SRPC_ARG_TYPE_STRING:
-      // All strings that are passed in SrpcArg must be allocated using
-      // malloc! We cannot use browser's allocation API
-      // since some of SRPC arguments is handled outside of the plugin code.
-      free(arg->u.sval);
-      break;
-    case NACL_SRPC_ARG_TYPE_VARIANT_ARRAY:
-      if (arg->u.vaval.varr) {
-        for (uint32_t i = 0; i < arg->u.vaval.count; i++) {
-          FreeSrpcArg(&arg->u.vaval.varr[i]);
-        }
-      }
-      break;
-    case NACL_SRPC_ARG_TYPE_OBJECT:
-      // This is a pointer to a scriptable object and should be released
-      // by the browser
-      break;
-    case NACL_SRPC_ARG_TYPE_BOOL:
-    case NACL_SRPC_ARG_TYPE_DOUBLE:
-    case NACL_SRPC_ARG_TYPE_INT:
-    case NACL_SRPC_ARG_TYPE_INVALID:
-    default:
-      break;
-  }
-}
-
-MethodMap::~MethodMap() {
-  MethodMapStorage::iterator it;
-  while ((it = method_map_.begin()) != method_map_.end()) {
-    delete(it->second);
-    method_map_.erase(it);
-  }
-}
-
-MethodInfo* MethodMap::GetMethod(uintptr_t method_id) {
-  return method_map_[method_id];
-}
-
-void MethodMap::AddMethod(uintptr_t method_id, MethodInfo *info) {
-  if (method_map_.find(method_id) != method_map_.end()) {
-    // the method already exists
-    abort();
-  }
-  method_map_[method_id] = info;
-}
-
-}  // namespace plugin