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Add static asserts for all the struct sizes in toxcore.

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This forces us to record size changes (for LP64) and helps estimate
memory consumption of internal data structures.
This commit is contained in:
iphydf 2018-02-14 16:33:08 +00:00
parent 82662d4e16
commit 746c624a09
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1 changed files with 100 additions and 0 deletions
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auto_tests/monolith_test.cpp
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@ -125,7 +125,107 @@ namespace version_test
#include "version_test.c"
}
#define PRINT_SIZE 0
template<typename T, size_t Expected, size_t Actual = sizeof(T)>
void check_size(char const *type)
{
#if PRINT_SIZE
printf("CHECK_SIZE(%s, %zu);\n", type, Actual);
#else
static_assert(Actual == Expected, "Bad sizeof - see template expansion errors for details");
#endif
}
#define CHECK_SIZE(TYPE, SIZE) check_size<TYPE, SIZE>(#TYPE)
/**
* The main function static-asserts that we are aware of all the sizes of all
* the structs it toxcore. If you find this failing after you make a change,
* switch on the PRINT_SIZE above and copy the number into this function.
*/
int main(int argc, char *argv[])
{
#if defined(__x86_64__) && defined(__LP64__)
// toxcore/DHT
CHECK_SIZE(Client_data, 496);
CHECK_SIZE(Cryptopacket_Handles, 16);
CHECK_SIZE(DHT, 676528);
CHECK_SIZE(DHT_Friend, 5104);
CHECK_SIZE(Hardening, 144);
CHECK_SIZE(IPPTs, 40);
CHECK_SIZE(IPPTsPng, 232);
CHECK_SIZE(NAT, 48);
CHECK_SIZE(Node_format, 64);
CHECK_SIZE(Shared_Key, 80);
CHECK_SIZE(Shared_Keys, 81920);
// toxcore/friend_connection
CHECK_SIZE(Friend_Conn, 1784);
CHECK_SIZE(Friend_Connections, 72);
// toxcore/friend_requests
CHECK_SIZE(Friend_Requests, 1080);
// toxcore/group
CHECK_SIZE(Group_c, 728);
CHECK_SIZE(Group_Chats, 2112);
CHECK_SIZE(Group_Peer, 480);
// toxcore/list
CHECK_SIZE(BS_LIST, 32);
// toxcore/logger
CHECK_SIZE(Logger, 24);
// toxcore/Messenger
CHECK_SIZE(File_Transfers, 72);
CHECK_SIZE(Friend, 39264);
CHECK_SIZE(Messenger, 2008);
CHECK_SIZE(Messenger_Options, 72);
CHECK_SIZE(Receipts, 16);
// toxcore/net_crypto
CHECK_SIZE(Crypto_Connection, 525392);
CHECK_SIZE(Net_Crypto, 272);
CHECK_SIZE(New_Connection, 168);
CHECK_SIZE(Packet_Data, 1384);
CHECK_SIZE(Packets_Array, 262152);
// toxcore/network
CHECK_SIZE(IP, 24);
CHECK_SIZE(IP4, 4);
#if USE_IPV6
CHECK_SIZE(IP6, 16);
#endif
CHECK_SIZE(IP_Port, 32);
CHECK_SIZE(Networking_Core, 4112);
CHECK_SIZE(Packet_Handler, 16);
// toxcore/onion_announce
CHECK_SIZE(Cmp_data, 296);
CHECK_SIZE(Onion_Announce, 128048);
CHECK_SIZE(Onion_Announce_Entry, 288);
// toxcore/onion_client
CHECK_SIZE(Last_Pinged, 40);
CHECK_SIZE(Onion_Client, 15816);
CHECK_SIZE(Onion_Client_Cmp_data, 176);
CHECK_SIZE(Onion_Client_Paths, 2520);
CHECK_SIZE(Onion_Friend, 1936);
CHECK_SIZE(Onion_Friend, 1936);
CHECK_SIZE(Onion_Node, 168);
// toxcore/onion
CHECK_SIZE(Onion, 245832);
CHECK_SIZE(Onion_Path, 392);
// toxcore/ping_array
CHECK_SIZE(Ping_Array, 24);
CHECK_SIZE(Ping_Array_Entry, 32);
// toxcore/ping
CHECK_SIZE(Ping, 2072);
// toxcore/TCP_client
CHECK_SIZE(TCP_Client_Connection, 12064);
CHECK_SIZE(TCP_Proxy_Info, 40);
// toxcore/TCP_connection
CHECK_SIZE(TCP_con, 112);
CHECK_SIZE(TCP_Connections, 200);
CHECK_SIZE(TCP_Connection_to, 112);
// toxcore/TCP_server
CHECK_SIZE(TCP_Priority_List, 16);
CHECK_SIZE(TCP_Secure_Connection, 11816);
CHECK_SIZE(TCP_Server, 6049952); // 6MB!
// toxcore/tox
CHECK_SIZE(Tox_Options, 64);
#endif
return 0;
}