tools/ipc_fuzzer/ipclist/ipclist.cc

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include <algorithm>
   6 #include <iostream>
   7 #include <string>
   8 #include <vector>
   9
  10 #include "base/basictypes.h"
  11
  12 // Include once to get the type definitions
  13 #include "tools/ipc_fuzzer/message_lib/all_messages.h"
  14
  15 struct msginfo {
  16   const char* name;
  17   const char* file;
  18   int id;
  19   int in_count;
  20   int out_count;
  21
  22   bool operator< (const msginfo& other) const {
  23     return id < other.id;
  24   }
  25 };
  26
  27 // Redefine macros to generate table
  28 #include "ipc/ipc_message_null_macros.h"
  29 #undef IPC_MESSAGE_DECL
  30 #define IPC_MESSAGE_DECL(kind, type, name, in, out, ilist, olist) \
  31   { #name, __FILE__, IPC_MESSAGE_ID(), in, out },
  32
  33 static msginfo msgtable[] = {
  34 #include "tools/ipc_fuzzer/message_lib/all_messages.h"
  35 };
  36 #define MSGTABLE_SIZE (sizeof(msgtable)/sizeof(msgtable[0]))
  37 COMPILE_ASSERT(MSGTABLE_SIZE, CHECK_YOUR_HEADERS_FOR_AN_EXTRA_SEMICOLON);
  38
  39 static bool check_msgtable() {
  40   bool result = true;
  41   int previous_class_id = 0;
  42   int highest_class_id = 0;
  43   const char* file_name = "NONE";
  44   const char* previous_file_name = "NONE";
  45   std::vector<int> exemptions;
  46
  47   // Exclude test and other non-browser files from consideration.  Do not
  48   // include message files used inside the actual chrome browser in this list.
  49   exemptions.push_back(TestMsgStart);
  50   exemptions.push_back(FirefoxImporterUnittestMsgStart);
  51   exemptions.push_back(ShellMsgStart);
  52   exemptions.push_back(MetroViewerMsgStart);
  53   exemptions.push_back(CCMsgStart);  // Nothing but param traits.
  54   exemptions.push_back(CldDataProviderMsgStart); // Conditional build.
  55 #if !defined(OS_ANDROID)
  56   exemptions.push_back(JavaBridgeMsgStart);
  57   exemptions.push_back(MediaPlayerMsgStart);
  58   exemptions.push_back(EncryptedMediaMsgStart);
  59   exemptions.push_back(GinJavaBridgeMsgStart);
  60   exemptions.push_back(AndroidWebViewMsgStart);
  61 #endif  // !defined(OS_ANDROID)
  62 #if !defined(USE_OZONE)
  63   exemptions.push_back(OzoneGpuMsgStart);
  64 #endif  // !defined(USE_OZONE)
  65
  66   for (size_t i = 0; i < MSGTABLE_SIZE; ++i) {
  67     int class_id = IPC_MESSAGE_ID_CLASS(msgtable[i].id);
  68     file_name = msgtable[i].file;
  69     if (class_id >= LastIPCMsgStart) {
  70       std::cout << "Invalid LastIPCMsgStart setting\n";
  71       result = false;
  72     }
  73     if (class_id == previous_class_id &&
  74         strcmp(file_name, previous_file_name) != 0) {
  75       std::cerr << "enum used in multiple files: "
  76                 << file_name << " vs "
  77                 << previous_file_name << "\n";
  78       result = false;
  79     }
  80     while (class_id > previous_class_id + 1) {
  81       std::vector<int>::iterator iter;
  82       iter = find(exemptions.begin(), exemptions.end(), previous_class_id + 1);
  83       if (iter == exemptions.end()) {
  84         std::cout << "Missing message file for enum "
  85                   << class_id - (previous_class_id + 1)
  86                   <<  " before enum used by " << file_name << "\n";
  87         result = false;
  88       }
  89       ++previous_class_id;
  90     }
  91     previous_class_id = class_id;
  92     previous_file_name = file_name;
  93     if (class_id > highest_class_id)
  94       highest_class_id = class_id;
  95   }
  96
  97   while (LastIPCMsgStart > highest_class_id + 1) {
  98     std::vector<int>::iterator iter;
  99     iter = find(exemptions.begin(), exemptions.end(), highest_class_id+1);
 100     if (iter == exemptions.end()) {
 101       std::cout << "Missing message file for enum "
 102                 << LastIPCMsgStart - (highest_class_id + 1)
 103                 << " before enum LastIPCMsgStart\n";
 104       break;
 105     }
 106     ++highest_class_id;
 107   }
 108
 109   if (!result)
 110     std::cout << "Please check tools/ipc_fuzzer/message_lib/all_messages.h\n";
 111
 112   return result;
 113 }
 114
 115 static void dump_msgtable(bool show_args, bool show_ids,
 116                           bool show_comma, const char *prefix) {
 117   bool first = true;
 118   for (size_t i = 0; i < MSGTABLE_SIZE; ++i) {
 119     if ((!prefix) || strstr(msgtable[i].name, prefix) == msgtable[i].name) {
 120       if (show_comma) {
 121         if (!first)
 122           std::cout << ",";
 123         first = false;
 124         std::cout << msgtable[i].id;
 125       } else {
 126         if (show_ids)
 127           std::cout << msgtable[i].id << " " <<
 128               IPC_MESSAGE_ID_CLASS(msgtable[i].id) << "," <<
 129               IPC_MESSAGE_ID_LINE(msgtable[i].id) << " ";
 130         std::cout << msgtable[i].name;
 131         if (show_args) {
 132           std::cout << "(" << msgtable[i].in_count << " IN, "  <<
 133               msgtable[i].out_count << " OUT)";
 134         }
 135         std::cout << "\n";
 136       }
 137     }
 138   }
 139   if (show_comma)
 140     std::cout << "\n";
 141 }
 142
 143 int main(int argc, char **argv) {
 144   bool show_args = false;
 145   bool show_ids  = false;
 146   bool skip_check = false;
 147   bool show_comma = false;
 148   const char *filter = NULL;
 149
 150   while (--argc > 0) {
 151     ++argv;
 152     if (std::string("--args") == *argv) {
 153       show_args = true;
 154     } else if (std::string("--comma") == *argv) {
 155       show_comma = true;
 156     } else if (std::string("--filter") == *argv) {
 157       filter = *(++argv);
 158       --argc;
 159     } else if (std::string("--ids") == *argv) {
 160       show_ids = true;
 161     } else if (std::string("--no-check") == *argv) {
 162       skip_check = true;
 163     } else {
 164       std::cout <<
 165           "usage: ipclist [--args] [--ids] [--no-check] [--filter prefix] "
 166           "[--comma]\n";
 167       return 1;
 168     }
 169   }
 170
 171   std::sort(msgtable, msgtable + MSGTABLE_SIZE);
 172
 173   if (!skip_check && check_msgtable() == false)
 174     return 1;
 175
 176   dump_msgtable(show_args, show_ids, show_comma, filter);
 177   return 0;
 178 }
 179