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merge bitcoin#20877: user help and argument parsing improvements

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Kittywhiskers Van Gogh 2024-05-26 21:44:15 +00:00
parent bd934c71eb
commit 2200b78a15
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GPG Key ID: 30CD0C065E5C4AAD
1 changed files with 67 additions and 72 deletions
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139
src/bitcoin-cli.cpp
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@ -374,7 +374,6 @@ public:
class NetinfoRequestHandler : public BaseRequestHandler
{
private:
static constexpr int8_t NET_I2P{3}; // pos of "i2p" in m_networks
static constexpr uint8_t MAX_DETAIL_LEVEL{4};
static constexpr std::array m_networks{"ipv4", "ipv6", "onion", "i2p"};
std::array<std::array<uint16_t, m_networks.size() + 1>, 3> m_counts{{{}}}; //!< Peer counts by (in/out/total, networks/total)
@ -387,13 +386,11 @@ private:
}
return UNKNOWN_NETWORK;
}
uint8_t m_details_level{0}; //!< Optional user-supplied arg to set dashboard details level
bool m_is_help_requested{false}; //!< Optional user-supplied arg to print help documentation
uint8_t m_details_level{0}; //!< Optional user-supplied arg to set dashboard details level
bool DetailsRequested() const { return m_details_level > 0 && m_details_level < 5; }
bool IsAddressSelected() const { return m_details_level == 2 || m_details_level == 4; }
bool IsVersionSelected() const { return m_details_level == 3 || m_details_level == 4; }
bool m_is_asmap_on{false};
bool m_is_i2p_on{false};
size_t m_max_addr_length{0};
size_t m_max_age_length{4};
size_t m_max_id_length{2};
@ -438,65 +435,6 @@ private:
if (conn_type == "addr-fetch") return "addr";
return "";
}
const UniValue NetinfoHelp()
{
return std::string{
"-netinfo level|\"help\" \n\n"
"Returns a network peer connections dashboard with information from the remote server.\n"
"Under the hood, -netinfo fetches the data by calling getpeerinfo and getnetworkinfo.\n"
"An optional integer argument from 0 to 4 can be passed for different peers listings.\n"
"Pass \"help\" to see this detailed help documentation.\n"
"If more than one argument is passed, only the first one is read and parsed.\n"
"Suggestion: use with the Linux watch(1) command for a live dashboard; see example below.\n\n"
"Arguments:\n"
"1. level (integer 0-4, optional) Specify the info level of the peers dashboard (default 0):\n"
" 0 - Connection counts and local addresses\n"
" 1 - Like 0 but with a peers listing (without address or version columns)\n"
" 2 - Like 1 but with an address column\n"
" 3 - Like 1 but with a version column\n"
" 4 - Like 1 but with both address and version columns\n"
"2. help (string \"help\", optional) Print this help documentation instead of the dashboard.\n\n"
"Result:\n\n"
"* The peers listing in levels 1-4 displays all of the peers sorted by direction and minimum ping time:\n\n"
" Column Description\n"
" ------ -----------\n"
" <-> Direction\n"
" \"in\" - inbound connections are those initiated by the peer\n"
" \"out\" - outbound connections are those initiated by us\n"
" type Type of peer connection\n"
" \"full\" - full relay, the default\n"
" \"block\" - block relay; like full relay but does not relay transactions or addresses\n"
" \"manual\" - peer we manually added using RPC addnode or the -addnode/-connect config options\n"
" \"feeler\" - short-lived connection for testing addresses\n"
" \"addr\" - address fetch; short-lived connection for requesting addresses\n"
" net Network the peer connected through (\"ipv4\", \"ipv6\", \"onion\", \"i2p\", or \"cjdns\")\n"
" mping Minimum observed ping time, in milliseconds (ms)\n"
" ping Last observed ping time, in milliseconds (ms)\n"
" send Time since last message sent to the peer, in seconds\n"
" recv Time since last message received from the peer, in seconds\n"
" txn Time since last novel transaction received from the peer and accepted into our mempool, in minutes\n"
" blk Time since last novel block passing initial validity checks received from the peer, in minutes\n"
" age Duration of connection to the peer, in minutes\n"
" asmap Mapped AS (Autonomous System) number in the BGP route to the peer, used for diversifying\n"
" peer selection (only displayed if the -asmap config option is set)\n"
" id Peer index, in increasing order of peer connections since node startup\n"
" address IP address and port of the peer\n"
" version Peer version and subversion concatenated, e.g. \"70016/Satoshi:21.0.0/\"\n\n"
"* The connection counts table displays the number of peers by direction, network, and the totals\n"
" for each, as well as two special outbound columns for block relay peers and manual peers.\n\n"
"* The local addresses table lists each local address broadcast by the node, the port, and the score.\n\n"
"Examples:\n\n"
"Connection counts and local addresses only\n"
"> dash-cli -netinfo\n\n"
"Compact peers listing\n"
"> dash-cli -netinfo 1\n\n"
"Full dashboard\n"
"> dash-cli -netinfo 4\n\n"
"Full live dashboard, adjust --interval or --no-title as needed (Linux)\n"
"> watch --interval 1 --no-title dash-cli -netinfo 4\n\n"
"See this help\n"
"> dash-cli -netinfo help\n"};
}
const int64_t m_time_now{GetTimeSeconds()};
public:
@ -509,10 +447,8 @@ public:
uint8_t n{0};
if (ParseUInt8(args.at(0), &n)) {
m_details_level = std::min(n, MAX_DETAIL_LEVEL);
} else if (args.at(0) == "help") {
m_is_help_requested = true;
} else {
throw std::runtime_error(strprintf("invalid -netinfo argument: %s", args.at(0)));
throw std::runtime_error(strprintf("invalid -netinfo argument: %s\nFor more information, run: dash-cli -netinfo help", args.at(0)));
}
}
UniValue result(UniValue::VARR);
@ -523,9 +459,6 @@ public:
UniValue ProcessReply(const UniValue& batch_in) override
{
if (m_is_help_requested) {
return JSONRPCReplyObj(NetinfoHelp(), NullUniValue, 1);
}
const std::vector<UniValue> batch{JSONRPCProcessBatchReply(batch_in)};
if (!batch[ID_PEERINFO]["error"].isNull()) return batch[ID_PEERINFO];
if (!batch[ID_NETWORKINFO]["error"].isNull()) return batch[ID_NETWORKINFO];
@ -540,7 +473,6 @@ public:
const std::string network{peer["network"].get_str()};
const int8_t network_id{NetworkStringToId(network)};
if (network_id == UNKNOWN_NETWORK) continue;
m_is_i2p_on |= (network_id == NET_I2P);
const bool is_outbound{!peer["inbound"].get_bool()};
const bool is_block_relay{peer["relaytxes"].isNull() ? false : !peer["relaytxes"].get_bool()};
const std::string conn_type{peer["connection_type"].get_str()};
@ -610,13 +542,14 @@ public:
// Report peer connection totals by type.
result += " ipv4 ipv6 onion";
if (m_is_i2p_on) result += " i2p";
const bool any_i2p_peers = m_counts.at(2).at(3); // false if total i2p peers count is 0, otherwise true
if (any_i2p_peers) result += " i2p";
result += " total block";
if (m_manual_peers_count) result += " manual";
const std::array rows{"in", "out", "total"};
for (uint8_t i = 0; i < 3; ++i) {
result += strprintf("\n%-5s %5i %5i %5i", rows.at(i), m_counts.at(i).at(0), m_counts.at(i).at(1), m_counts.at(i).at(2)); // ipv4/ipv6/onion peers counts
if (m_is_i2p_on) result += strprintf(" %5i", m_counts.at(i).at(3)); // i2p peers count
if (any_i2p_peers) result += strprintf(" %5i", m_counts.at(i).at(3)); // i2p peers count
result += strprintf(" %5i", m_counts.at(i).at(m_networks.size())); // total peers count
if (i == 1) { // the outbound row has two extra columns for block relay and manual peer counts
result += strprintf(" %5i", m_block_relay_peers_count);
@ -641,6 +574,64 @@ public:
return JSONRPCReplyObj(UniValue{result}, NullUniValue, 1);
}
const std::string m_help_doc{
"-netinfo level|\"help\" \n\n"
"Returns a network peer connections dashboard with information from the remote server.\n"
"This human-readable interface will change regularly and is not intended to be a stable API.\n"
"Under the hood, -netinfo fetches the data by calling getpeerinfo and getnetworkinfo.\n"
+ strprintf("An optional integer argument from 0 to %d can be passed for different peers listings; %d to 255 are parsed as %d.\n", MAX_DETAIL_LEVEL, MAX_DETAIL_LEVEL, MAX_DETAIL_LEVEL) +
"Pass \"help\" to see this detailed help documentation.\n"
"If more than one argument is passed, only the first one is read and parsed.\n"
"Suggestion: use with the Linux watch(1) command for a live dashboard; see example below.\n\n"
"Arguments:\n"
+ strprintf("1. level (integer 0-%d, optional) Specify the info level of the peers dashboard (default 0):\n", MAX_DETAIL_LEVEL) +
" 0 - Connection counts and local addresses\n"
" 1 - Like 0 but with a peers listing (without address or version columns)\n"
" 2 - Like 1 but with an address column\n"
" 3 - Like 1 but with a version column\n"
" 4 - Like 1 but with both address and version columns\n"
"2. help (string \"help\", optional) Print this help documentation instead of the dashboard.\n\n"
"Result:\n\n"
+ strprintf("* The peers listing in levels 1-%d displays all of the peers sorted by direction and minimum ping time:\n\n", MAX_DETAIL_LEVEL) +
" Column Description\n"
" ------ -----------\n"
" <-> Direction\n"
" \"in\" - inbound connections are those initiated by the peer\n"
" \"out\" - outbound connections are those initiated by us\n"
" type Type of peer connection\n"
" \"full\" - full relay, the default\n"
" \"block\" - block relay; like full relay but does not relay transactions or addresses\n"
" \"manual\" - peer we manually added using RPC addnode or the -addnode/-connect config options\n"
" \"feeler\" - short-lived connection for testing addresses\n"
" \"addr\" - address fetch; short-lived connection for requesting addresses\n"
" net Network the peer connected through (\"ipv4\", \"ipv6\", \"onion\", \"i2p\", or \"cjdns\")\n"
" mping Minimum observed ping time, in milliseconds (ms)\n"
" ping Last observed ping time, in milliseconds (ms)\n"
" send Time since last message sent to the peer, in seconds\n"
" recv Time since last message received from the peer, in seconds\n"
" txn Time since last novel transaction received from the peer and accepted into our mempool, in minutes\n"
" blk Time since last novel block passing initial validity checks received from the peer, in minutes\n"
" age Duration of connection to the peer, in minutes\n"
" asmap Mapped AS (Autonomous System) number in the BGP route to the peer, used for diversifying\n"
" peer selection (only displayed if the -asmap config option is set)\n"
" id Peer index, in increasing order of peer connections since node startup\n"
" address IP address and port of the peer\n"
" version Peer version and subversion concatenated, e.g. \"70016/Satoshi:21.0.0/\"\n\n"
"* The connection counts table displays the number of peers by direction, network, and the totals\n"
" for each, as well as two special outbound columns for block relay peers and manual peers.\n\n"
"* The local addresses table lists each local address broadcast by the node, the port, and the score.\n\n"
"Examples:\n\n"
"Connection counts and local addresses only\n"
"> dash-cli -netinfo\n\n"
"Compact peers listing\n"
"> dash-cli -netinfo 1\n\n"
"Full dashboard\n"
+ strprintf("> dash-cli -netinfo %d\n\n", MAX_DETAIL_LEVEL) +
"Full live dashboard, adjust --interval or --no-title as needed (Linux)\n"
+ strprintf("> watch --interval 1 --no-title dash-cli -netinfo %d\n\n", MAX_DETAIL_LEVEL) +
"See this help\n"
"> dash-cli -netinfo help\n"};
};
/** Process RPC generatetoaddress request. */
@ -978,6 +969,10 @@ static int CommandLineRPC(int argc, char *argv[])
if (gArgs.IsArgSet("-getinfo")) {
rh.reset(new GetinfoRequestHandler());
} else if (gArgs.GetBoolArg("-netinfo", false)) {
if (!args.empty() && args.at(0) == "help") {
tfm::format(std::cout, "%s\n", NetinfoRequestHandler().m_help_doc);
return 0;
}
rh.reset(new NetinfoRequestHandler());
} else if (gArgs.GetBoolArg("-generate", false)) {
const UniValue getnewaddress{GetNewAddress()};