/workdir/bitcoin/src/protocol.cpp

Source (jump to first uncovered line)
// Copyright (c) 2009-2010 Satoshi Nakamoto
// Copyright (c) 2009-2022 The Bitcoin Core developers
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.

#include <protocol.h>

#include <common/system.h>

CMessageHeader::CMessageHeader(const MessageStartChars& pchMessageStartIn, const char* pszCommand, unsigned int nMessageSizeIn)
    : pchMessageStart{pchMessageStartIn}
{
    // Copy the command name
    size_t i = 0;
    for (; i < COMMAND_SIZE && pszCommand[i] != 0; ++i) pchCommand[i] = pszCommand[i];
    assert(pszCommand[i] == 0); // Assert that the command name passed in is not longer than COMMAND_SIZE

    nMessageSize = nMessageSizeIn;
}

std::string CMessageHeader::GetCommand() const
{
    return std::string(pchCommand, pchCommand + strnlen(pchCommand, COMMAND_SIZE));
}

bool CMessageHeader::IsCommandValid() const
{
    // Check the command string for errors
    for (const char* p1 = pchCommand; p1 < pchCommand + COMMAND_SIZE; ++p1) {
        if (*p1 == 0) {
            // Must be all zeros after the first zero
            for (; p1 < pchCommand + COMMAND_SIZE; ++p1) {
                if (*p1 != 0) {
                    return false;
                }
            }
        } else if (*p1 < ' ' || *p1 > 0x7E) {
            return false;
        }
    }

    return true;
}

CInv::CInv()
{
    type = 0;
    hash.SetNull();
}

CInv::CInv(uint32_t typeIn, const uint256& hashIn) : type(typeIn), hash(hashIn) {}

bool operator<(const CInv& a, const CInv& b)
{
    return (a.type < b.type || (a.type == b.type && a.hash < b.hash));
}

std::string CInv::GetCommand() const
{
    std::string cmd;
    if (type & MSG_WITNESS_FLAG)
        cmd.append("witness-");
    int masked = type & MSG_TYPE_MASK;
    switch (masked)
    {
    case MSG_TX:             return cmd.append(NetMsgType::TX);
    // WTX is not a message type, just an inv type
    case MSG_WTX:            return cmd.append("wtx");
    case MSG_BLOCK:          return cmd.append(NetMsgType::BLOCK);
    case MSG_FILTERED_BLOCK: return cmd.append(NetMsgType::MERKLEBLOCK);
    case MSG_CMPCT_BLOCK:    return cmd.append(NetMsgType::CMPCTBLOCK);
    default:
        throw std::out_of_range(strprintf("CInv::GetCommand(): type=%d unknown type", type));
    }
}

std::string CInv::ToString() const
{
    try {
        return strprintf("%s %s", GetCommand(), hash.ToString());
    } catch(const std::out_of_range &) {
        return strprintf("0x%08x %s", type, hash.ToString());
    }
}

/**
 * Convert a service flag (NODE_*) to a human readable string.
 * It supports unknown service flags which will be returned as "UNKNOWN[...]".
 * @param[in] bit the service flag is calculated as (1 << bit)
 */
static std::string serviceFlagToStr(size_t bit)
{
    const uint64_t service_flag = 1ULL << bit;
    switch ((ServiceFlags)service_flag) {
    case NODE_NONE: abort();  // impossible
    case NODE_NETWORK:         return "NETWORK";
    case NODE_BLOOM:           return "BLOOM";
    case NODE_WITNESS:         return "WITNESS";
    case NODE_COMPACT_FILTERS: return "COMPACT_FILTERS";
    case NODE_NETWORK_LIMITED: return "NETWORK_LIMITED";
    case NODE_P2P_V2:          return "P2P_V2";
    // Not using default, so we get warned when a case is missing
    }

    return strprintf("UNKNOWN[2^%u]", bit);
}

std::vector<std::string> serviceFlagsToStr(uint64_t flags)
{
    std::vector<std::string> str_flags;

    for (size_t i = 0; i < sizeof(flags) * 8; ++i) {
        if (flags & (1ULL << i)) {
            str_flags.emplace_back(serviceFlagToStr(i));
        }
    }

    return str_flags;
}

GenTxid ToGenTxid(const CInv& inv)
{
    assert(inv.IsGenTxMsg());
    return inv.IsMsgWtx() ? GenTxid::Wtxid(inv.hash) : GenTxid::Txid(inv.hash);
}

Line	Count	Source (jump to first uncovered line)
1		// Copyright (c) 2009-2010 Satoshi Nakamoto
2		// Copyright (c) 2009-2022 The Bitcoin Core developers
3		// Distributed under the MIT software license, see the accompanying
4		// file COPYING or http://www.opensource.org/licenses/mit-license.php.
5
6		#include <protocol.h>
7
8		#include <common/system.h>
9
10		CMessageHeader::CMessageHeader(const MessageStartChars& pchMessageStartIn, const char* pszCommand, unsigned int nMessageSizeIn)
11	17.4k	: pchMessageStart{pchMessageStartIn}
12	17.4k	{
13		// Copy the command name
14	17.4k	size_t i = 0;
15	138k	for (; i < COMMAND_SIZE && pszCommand[i] != 0; ++i) pchCommand[i] = pszCommand[i]; Branch (15:12): [True: 138k, False: 0] Branch (15:32): [True: 121k, False: 17.4k]
16	17.4k	assert(pszCommand[i] == 0); // Assert that the command name passed in is not longer than COMMAND_SIZE
17
18	17.4k	nMessageSize = nMessageSizeIn;
19	17.4k	}
20
21		std::string CMessageHeader::GetCommand() const
22	13.5k	{
23	13.5k	return std::string(pchCommand, pchCommand + strnlen(pchCommand, COMMAND_SIZE));
24	13.5k	}
25
26		bool CMessageHeader::IsCommandValid() const
27	13.5k	{
28		// Check the command string for errors
29	112k	for (const char* p1 = pchCommand; p1 < pchCommand + COMMAND_SIZE; ++p1) { Branch (29:39): [True: 98.7k, False: 13.5k]
30	98.7k	if (*p1 == 0) { Branch (30:13): [True: 13.5k, False: 85.2k]
31		// Must be all zeros after the first zero
32	90.6k	for (; p1 < pchCommand + COMMAND_SIZE; ++p1) { Branch (32:20): [True: 77.1k, False: 13.5k]
33	77.1k	if (*p1 != 0) { Branch (33:21): [True: 0, False: 77.1k]
34	0	return false;
35	0	}
36	77.1k	}
37	85.2k	} else if (p1 < ' ' \|\| p1 > 0x7E) { Branch (37:20): [True: 0, False: 85.2k] Branch (37:33): [True: 0, False: 85.2k]
38	0	return false;
39	0	}
40	98.7k	}
41
42	13.5k	return true;
43	13.5k	}
44
45		CInv::CInv()
46	0	{
47	0	type = 0;
48	0	hash.SetNull();
49	0	}
50
51	0	CInv::CInv(uint32_t typeIn, const uint256& hashIn) : type(typeIn), hash(hashIn) {}
52
53		bool operator<(const CInv& a, const CInv& b)
54	0	{
55	0	return (a.type < b.type \|\| (a.type == b.type && a.hash < b.hash)); Branch (55:13): [True: 0, False: 0] Branch (55:33): [True: 0, False: 0] Branch (55:53): [True: 0, False: 0]
56	0	}
57
58		std::string CInv::GetCommand() const
59	0	{
60	0	std::string cmd;
61	0	if (type & MSG_WITNESS_FLAG) Branch (61:9): [True: 0, False: 0]
62	0	cmd.append("witness-");
63	0	int masked = type & MSG_TYPE_MASK;
64	0	switch (masked)
65	0	{
66	0	case MSG_TX: return cmd.append(NetMsgType::TX); Branch (66:5): [True: 0, False: 0]
67		// WTX is not a message type, just an inv type
68	0	case MSG_WTX: return cmd.append("wtx"); Branch (68:5): [True: 0, False: 0]
69	0	case MSG_BLOCK: return cmd.append(NetMsgType::BLOCK); Branch (69:5): [True: 0, False: 0]
70	0	case MSG_FILTERED_BLOCK: return cmd.append(NetMsgType::MERKLEBLOCK); Branch (70:5): [True: 0, False: 0]
71	0	case MSG_CMPCT_BLOCK: return cmd.append(NetMsgType::CMPCTBLOCK); Branch (71:5): [True: 0, False: 0]
72	0	default: Branch (72:5): [True: 0, False: 0]
73	0	throw std::out_of_range(strprintf("CInv::GetCommand(): type=%d unknown type", type));
74	0	}
75	0	}
76
77		std::string CInv::ToString() const
78	0	{
79	0	try {
80	0	return strprintf("%s %s", GetCommand(), hash.ToString());
81	0	} catch(const std::out_of_range &) {
82	0	return strprintf("0x%08x %s", type, hash.ToString());
83	0	}
84	0	}
85
86		/**
87		* Convert a service flag (NODE_*) to a human readable string.
88		* It supports unknown service flags which will be returned as "UNKNOWN[...]".
89		* @param[in] bit the service flag is calculated as (1 << bit)
90		*/
91		static std::string serviceFlagToStr(size_t bit)
92	0	{
93	0	const uint64_t service_flag = 1ULL << bit;
94	0	switch ((ServiceFlags)service_flag) { Branch (94:13): [True: 0, False: 0]
95	0	case NODE_NONE: abort(); // impossible Branch (95:5): [True: 0, False: 0]
96	0	case NODE_NETWORK: return "NETWORK"; Branch (96:5): [True: 0, False: 0]
97	0	case NODE_BLOOM: return "BLOOM"; Branch (97:5): [True: 0, False: 0]
98	0	case NODE_WITNESS: return "WITNESS"; Branch (98:5): [True: 0, False: 0]
99	0	case NODE_COMPACT_FILTERS: return "COMPACT_FILTERS"; Branch (99:5): [True: 0, False: 0]
100	0	case NODE_NETWORK_LIMITED: return "NETWORK_LIMITED"; Branch (100:5): [True: 0, False: 0]
101	0	case NODE_P2P_V2: return "P2P_V2"; Branch (101:5): [True: 0, False: 0]
102		// Not using default, so we get warned when a case is missing
103	0	}
104
105	0	return strprintf("UNKNOWN[2^%u]", bit);
106	0	}
107
108		std::vector<std::string> serviceFlagsToStr(uint64_t flags)
109	0	{
110	0	std::vector<std::string> str_flags;
111
112	0	for (size_t i = 0; i < sizeof(flags) * 8; ++i) { Branch (112:24): [True: 0, False: 0]
113	0	if (flags & (1ULL << i)) { Branch (113:13): [True: 0, False: 0]
114	0	str_flags.emplace_back(serviceFlagToStr(i));
115	0	}
116	0	}
117
118	0	return str_flags;
119	0	}
120
121		GenTxid ToGenTxid(const CInv& inv)
122	0	{
123	0	assert(inv.IsGenTxMsg());
124	0	return inv.IsMsgWtx() ? GenTxid::Wtxid(inv.hash) : GenTxid::Txid(inv.hash); Branch (124:12): [True: 0, False: 0]
125	0	}

Coverage Report

Created: 2024-08-21 05:08