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Replace binary servers.db with text-based servers.txt (name:ip:port)

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This commit is contained in:
daoge_cmd
2026-03-09 05:44:27 +08:00
parent 88798b501d
commit 88b2f831a0
7 changed files with 143 additions and 248 deletions
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140
Minecraft.Client/Common/UI/UIScene_JoinMenu.cpp
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@@ -840,134 +840,100 @@ void UIScene_JoinMenu::UpdateServerInFile(const wstring& newIP, const wstring& n
wcstombs(narrowNewPort, newPort.c_str(), sizeof(narrowNewPort) - 1);
wcstombs(narrowNewName, newName.c_str(), sizeof(narrowNewName) - 1);
uint16_t newPortNum = (uint16_t)atoi(narrowNewPort);
struct ServerEntry { std::string ip; uint16_t port; std::string name; };
struct ServerEntry { std::string ip; std::string port; std::string name; };
std::vector<ServerEntry> entries;
FILE* file = fopen("servers.db", "rb");
FILE* file = fopen("servers.txt", "r");
if (file)
{
char magic[4] = {};
if (fread(magic, 1, 4, file) == 4 && memcmp(magic, "MCSV", 4) == 0)
char line[512];
while (fgets(line, sizeof(line), file))
{
uint32_t version = 0, count = 0;
fread(&version, sizeof(uint32_t), 1, file);
fread(&count, sizeof(uint32_t), 1, file);
if (version == 1)
{
for (uint32_t s = 0; s < count; s++)
{
uint16_t ipLen = 0, p = 0, nameLen = 0;
if (fread(&ipLen, sizeof(uint16_t), 1, file) != 1) break;
if (ipLen == 0 || ipLen > 256) break;
char ipBuf[257] = {};
if (fread(ipBuf, 1, ipLen, file) != ipLen) break;
if (fread(&p, sizeof(uint16_t), 1, file) != 1) break;
if (fread(&nameLen, sizeof(uint16_t), 1, file) != 1) break;
if (nameLen > 256) break;
char nameBuf[257] = {};
if (nameLen > 0 && fread(nameBuf, 1, nameLen, file) != nameLen) break;
entries.push_back({std::string(ipBuf), p, std::string(nameBuf)});
}
}
int l = (int)strlen(line);
while (l > 0 && (line[l - 1] == '\n' || line[l - 1] == '\r' || line[l - 1] == ' '))
line[--l] = '\0';
if (l == 0) continue;
char* lastColon = strrchr(line, ':');
if (!lastColon) continue;
*lastColon = '\0';
std::string port(lastColon + 1);
char* secondColon = strrchr(line, ':');
if (!secondColon) continue;
*secondColon = '\0';
std::string ip(secondColon + 1);
std::string name(line);
uint16_t portVal = (uint16_t)atoi(port.c_str());
if (portVal == 0 || ip.empty()) continue;
entries.push_back({ip, port, name});
}
fclose(file);
}
// Find and update the matching entry by original IP and port
int idx = m_serverIndex;
if (idx >= 0 && idx < (int)entries.size())
{
entries[idx].ip = std::string(narrowNewIP);
entries[idx].port = newPortNum;
entries[idx].port = std::string(narrowNewPort);
entries[idx].name = std::string(narrowNewName);
}
file = fopen("servers.db", "wb");
file = fopen("servers.txt", "w");
if (file)
{
fwrite("MCSV", 1, 4, file);
uint32_t version = 1;
uint32_t count = (uint32_t)entries.size();
fwrite(&version, sizeof(uint32_t), 1, file);
fwrite(&count, sizeof(uint32_t), 1, file);
for (size_t i = 0; i < entries.size(); i++)
{
uint16_t ipLen = (uint16_t)entries[i].ip.length();
fwrite(&ipLen, sizeof(uint16_t), 1, file);
fwrite(entries[i].ip.c_str(), 1, ipLen, file);
fwrite(&entries[i].port, sizeof(uint16_t), 1, file);
uint16_t nameLen = (uint16_t)entries[i].name.length();
fwrite(&nameLen, sizeof(uint16_t), 1, file);
fwrite(entries[i].name.c_str(), 1, nameLen, file);
}
fprintf(file, "%s:%s:%s\n", entries[i].name.c_str(), entries[i].ip.c_str(), entries[i].port.c_str());
fclose(file);
}
}
void UIScene_JoinMenu::RemoveServerFromFile()
{
struct ServerEntry { std::string ip; uint16_t port; std::string name; };
struct ServerEntry { std::string name; std::string ip; std::string port; };
std::vector<ServerEntry> entries;
FILE* file = fopen("servers.db", "rb");
FILE* file = fopen("servers.txt", "r");
if (file)
{
char magic[4] = {};
if (fread(magic, 1, 4, file) == 4 && memcmp(magic, "MCSV", 4) == 0)
char line[512];
while (fgets(line, sizeof(line), file))
{
uint32_t version = 0, count = 0;
fread(&version, sizeof(uint32_t), 1, file);
fread(&count, sizeof(uint32_t), 1, file);
if (version == 1)
{
for (uint32_t s = 0; s < count; s++)
{
uint16_t ipLen = 0, p = 0, nameLen = 0;
if (fread(&ipLen, sizeof(uint16_t), 1, file) != 1) break;
if (ipLen == 0 || ipLen > 256) break;
char ipBuf[257] = {};
if (fread(ipBuf, 1, ipLen, file) != ipLen) break;
if (fread(&p, sizeof(uint16_t), 1, file) != 1) break;
if (fread(&nameLen, sizeof(uint16_t), 1, file) != 1) break;
if (nameLen > 256) break;
char nameBuf[257] = {};
if (nameLen > 0 && fread(nameBuf, 1, nameLen, file) != nameLen) break;
entries.push_back({std::string(ipBuf), p, std::string(nameBuf)});
}
}
int l = (int)strlen(line);
while (l > 0 && (line[l - 1] == '\n' || line[l - 1] == '\r' || line[l - 1] == ' '))
line[--l] = '\0';
if (l == 0) continue;
char* lastColon = strrchr(line, ':');
if (!lastColon) continue;
*lastColon = '\0';
std::string port(lastColon + 1);
char* secondColon = strrchr(line, ':');
if (!secondColon) continue;
*secondColon = '\0';
std::string ip(secondColon + 1);
std::string name(line);
uint16_t portVal = (uint16_t)atoi(port.c_str());
if (portVal == 0 || ip.empty()) continue;
entries.push_back({name, ip, port});
}
fclose(file);
}
// Remove the entry at m_serverIndex
int idx = m_serverIndex;
if (idx >= 0 && idx < (int)entries.size())
{
entries.erase(entries.begin() + idx);
}
file = fopen("servers.db", "wb");
file = fopen("servers.txt", "w");
if (file)
{
fwrite("MCSV", 1, 4, file);
uint32_t version = 1;
uint32_t count = (uint32_t)entries.size();
fwrite(&version, sizeof(uint32_t), 1, file);
fwrite(&count, sizeof(uint32_t), 1, file);
for (size_t i = 0; i < entries.size(); i++)
{
uint16_t ipLen = (uint16_t)entries[i].ip.length();
fwrite(&ipLen, sizeof(uint16_t), 1, file);
fwrite(entries[i].ip.c_str(), 1, ipLen, file);
fwrite(&entries[i].port, sizeof(uint16_t), 1, file);
uint16_t nameLen = (uint16_t)entries[i].name.length();
fwrite(&nameLen, sizeof(uint16_t), 1, file);
fwrite(entries[i].name.c_str(), 1, nameLen, file);
}
fprintf(file, "%s:%s:%s\n", entries[i].name.c_str(), entries[i].ip.c_str(), entries[i].port.c_str());
fclose(file);
}
}