mirror of
https://github.com/VCMP-SqMod/SqMod.git
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113 lines
4.2 KiB
C++
113 lines
4.2 KiB
C++
// ------------------------------------------------------------------------------------------------
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#include "Database.hpp"
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#include "SockAddr.hpp"
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#include "LookupResult.hpp"
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// ------------------------------------------------------------------------------------------------
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namespace SqMod {
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// ------------------------------------------------------------------------------------------------
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SQInteger Database::Typename(HSQUIRRELVM vm)
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{
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static const SQChar name[] = _SC("SqMMDBDatabase");
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sq_pushstring(vm, name, sizeof(name));
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return 1;
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}
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// ------------------------------------------------------------------------------------------------
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void Database::Validate() const
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{
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// Is the document handle valid?
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if (!m_Db)
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STHROWF("Invalid Maxmind database reference");
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}
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// ------------------------------------------------------------------------------------------------
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Int32 Database::Cmp(const Database & o) const
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{
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if (m_Db == o.m_Db)
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return 0;
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else if (m_Db.m_Ptr > o.m_Db.m_Ptr)
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return 1;
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else
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return -1;
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}
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// ------------------------------------------------------------------------------------------------
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void Database::Open(CSStr filepath)
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{
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Open(filepath, 0);
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}
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// ------------------------------------------------------------------------------------------------
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void Database::Open(CSStr filepath, Uint32 flags)
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{
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// Is there a database handle available?
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if (!m_Db)
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m_Db = DbRef(true); // Create a database handle
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// Check if the database handle could be allocated one more time
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if (!m_Db)
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STHROWF("Unable to create a Maxmind database reference");
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// Are there any other references?
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else if (m_Db.Count() > 1)
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// To load new values now, would mean to cause undefined behavior in existing references
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STHROWF("Loading is disabled while database is referenced");
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// Validate the specified file path
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else if (!filepath || strlen(filepath) <= 0)
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STHROWF("Invalid database file path");
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// Let's attempt to open the specified database
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const Int32 status = MMDB_open(filepath, flags, m_Db.m_Ptr);
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// Validate the result of the operation
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if (status != MMDB_SUCCESS)
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{
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// Release the database reference
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m_Db.Drop();
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// Now it's safe to throw the error
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STHROWF("Unable to open the specified database [%s]", MMDB_strerror(status));
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}
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}
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// ------------------------------------------------------------------------------------------------
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LookupResult Database::LookupString(CSStr addr)
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{
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// Validate the database handle
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Validate();
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// Validate the specified string
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if (!addr || strlen(addr) <= 0)
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STHROWF("Invalid address string");
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// Dummy variables to obtain the status codes
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int gai_error, mmdb_error;
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// Attempt to perform the actual lookup
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MMDB_lookup_result_s result = MMDB_lookup_string(m_Db, addr, &gai_error, &mmdb_error);
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// Validate the result of the getaddrinfo() function call
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if (gai_error != 0)
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STHROWF("Unable to resolve address (%s) because [%s]", addr, gai_strerror(gai_error));
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// Validate the lookup status code
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else if (mmdb_error != MMDB_SUCCESS)
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STHROWF("Unable to lookup address (%s) because [%s]", addr, MMDB_strerror(mmdb_error));
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// Now it's safe to return the lookup result
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return LookupResult(m_Db, result);
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}
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// ------------------------------------------------------------------------------------------------
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LookupResult Database::LookupSockAddr(SockAddr & addr)
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{
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// Validate the database handle
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Validate();
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// Validate the specified socket address
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if (!addr.IsValid())
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STHROWF("Invalid address instance");
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// Dummy variable to obtain the status codes
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int mmdb_error;
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// Attempt to perform the actual lookup
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MMDB_lookup_result_s result = MMDB_lookup_sockaddr(m_Db, addr.GetHandle()->ai_addr, &mmdb_error);
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// Validate the lookup status code
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if (mmdb_error != MMDB_SUCCESS)
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STHROWF("Unable to lookup address (%s) because [%s]",
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addr.GetAddress(), MMDB_strerror(mmdb_error));
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// Now it's safe to return the lookup result
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return LookupResult(m_Db, result);
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}
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} // Namespace:: SqMod
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