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net: add Ensure{any}Banman

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it adds `Ensure{any}Banman` functions to avoid
code repetition and make it cleaner. Similar
approach as done with argsman, chainman, connman
and others.
This commit is contained in:
brunoerg 2023-02-07 11:09:22 -03:00
parent fe86616bb4
commit 2d955ff006
3 changed files with 26 additions and 17 deletions
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26
src/rpc/net.cpp
View file

@ -702,9 +702,7 @@ static RPCHelpMan setban()
throw std::runtime_error(help.ToString());
}
NodeContext& node = EnsureAnyNodeContext(request.context);
if (!node.banman) {
throw JSONRPCError(RPC_DATABASE_ERROR, "Error: Ban database not loaded");
}
BanMan& banman = EnsureBanman(node);
CSubNet subNet;
CNetAddr netAddr;
@ -726,7 +724,7 @@ static RPCHelpMan setban()
if (strCommand == "add")
{
if (isSubnet ? node.banman->IsBanned(subNet) : node.banman->IsBanned(netAddr)) {
if (isSubnet ? banman.IsBanned(subNet) : banman.IsBanned(netAddr)) {
throw JSONRPCError(RPC_CLIENT_NODE_ALREADY_ADDED, "Error: IP/Subnet already banned");
}
@ -741,12 +739,12 @@ static RPCHelpMan setban()
}
if (isSubnet) {
node.banman->Ban(subNet, banTime, absolute);
banman.Ban(subNet, banTime, absolute);
if (node.connman) {
node.connman->DisconnectNode(subNet);
}
} else {
node.banman->Ban(netAddr, banTime, absolute);
banman.Ban(netAddr, banTime, absolute);
if (node.connman) {
node.connman->DisconnectNode(netAddr);
}
@ -754,7 +752,7 @@ static RPCHelpMan setban()
}
else if(strCommand == "remove")
{
if (!( isSubnet ? node.banman->Unban(subNet) : node.banman->Unban(netAddr) )) {
if (!( isSubnet ? banman.Unban(subNet) : banman.Unban(netAddr) )) {
throw JSONRPCError(RPC_CLIENT_INVALID_IP_OR_SUBNET, "Error: Unban failed. Requested address/subnet was not previously manually banned.");
}
}
@ -785,13 +783,10 @@ static RPCHelpMan listbanned()
},
[&](const RPCHelpMan& self, const JSONRPCRequest& request) -> UniValue
{
NodeContext& node = EnsureAnyNodeContext(request.context);
if(!node.banman) {
throw JSONRPCError(RPC_DATABASE_ERROR, "Error: Ban database not loaded");
}
BanMan& banman = EnsureAnyBanman(request.context);
banmap_t banMap;
node.banman->GetBanned(banMap);
banman.GetBanned(banMap);
const int64_t current_time{GetTime()};
UniValue bannedAddresses(UniValue::VARR);
@ -825,12 +820,9 @@ static RPCHelpMan clearbanned()
},
[&](const RPCHelpMan& self, const JSONRPCRequest& request) -> UniValue
{
NodeContext& node = EnsureAnyNodeContext(request.context);
if (!node.banman) {
throw JSONRPCError(RPC_DATABASE_ERROR, "Error: Ban database not loaded");
}
BanMan& banman = EnsureAnyBanman(request.context);
node.banman->ClearBanned();
banman.ClearBanned();
return UniValue::VNULL;
},

14
src/rpc/server_util.cpp
View file

@ -39,6 +39,20 @@ CTxMemPool& EnsureAnyMemPool(const std::any& context)
return EnsureMemPool(EnsureAnyNodeContext(context));
}
BanMan& EnsureBanman(const NodeContext& node)
{
if (!node.banman) {
throw JSONRPCError(RPC_DATABASE_ERROR, "Error: Ban database not loaded");
}
return *node.banman;
}
BanMan& EnsureAnyBanman(const std::any& context)
{
return EnsureBanman(EnsureAnyNodeContext(context));
}
ArgsManager& EnsureArgsman(const NodeContext& node)
{
if (!node.args) {

3
src/rpc/server_util.h
View file

@ -13,6 +13,7 @@ class CConnman;
class CTxMemPool;
class ChainstateManager;
class PeerManager;
class BanMan;
namespace node {
struct NodeContext;
} // namespace node
@ -20,6 +21,8 @@ struct NodeContext;
node::NodeContext& EnsureAnyNodeContext(const std::any& context);
CTxMemPool& EnsureMemPool(const node::NodeContext& node);
CTxMemPool& EnsureAnyMemPool(const std::any& context);
BanMan& EnsureBanman(const node::NodeContext& node);
BanMan& EnsureAnyBanman(const std::any& context);
ArgsManager& EnsureArgsman(const node::NodeContext& node);
ArgsManager& EnsureAnyArgsman(const std::any& context);
ChainstateManager& EnsureChainman(const node::NodeContext& node);