Service: Store function names as const char* instead of std::string

Uses less memory (strings and function table is stored in constant data)
and speeds up start up (no need to allocate and copy strings).
This commit is contained in:
Yuri Kunde Schlesner 2015-01-30 17:15:02 -02:00
parent a79d21c83e
commit 6e11570862

View File

@ -29,7 +29,7 @@ static const int kMaxPortSize = 8; ///< Maximum size of a port name (8 character
class Manager;
/// Interface to a CTROS service
class Interface : public Kernel::Session {
class Interface : public Kernel::Session {
// TODO(yuriks): An "Interface" being a Kernel::Object is mostly non-sense. Interface should be
// just something that encapsulates a session and acts as a helper to implement service
// processes.
@ -40,11 +40,11 @@ class Interface : public Kernel::Session {
* Creates a function string for logging, complete with the name (or header code, depending
* on what's passed in) the port name, and all the cmd_buff arguments.
*/
std::string MakeFunctionString(const std::string& name, const std::string& port_name, const u32* cmd_buff) {
std::string MakeFunctionString(const char* name, const char* port_name, const u32* cmd_buff) {
// Number of params == bits 0-5 + bits 6-11
int num_params = (cmd_buff[0] & 0x3F) + ((cmd_buff[0] >> 6) & 0x3F);
std::string function_string = Common::StringFromFormat("function '%s': port=%s", name.c_str(), port_name.c_str());
std::string function_string = Common::StringFromFormat("function '%s': port=%s", name, port_name);
for (int i = 1; i <= num_params; ++i) {
function_string += Common::StringFromFormat(", cmd_buff[%i]=%u", i, cmd_buff[i]);
}
@ -59,7 +59,7 @@ public:
struct FunctionInfo {
u32 id;
Function func;
std::string name;
const char* name;
};
/**
@ -76,13 +76,13 @@ public:
if (itr == m_functions.end() || itr->second.func == nullptr) {
std::string function_name = (itr == m_functions.end()) ? Common::StringFromFormat("0x%08X", cmd_buff[0]) : itr->second.name;
LOG_ERROR(Service, "%s %s", "unknown/unimplemented", MakeFunctionString(function_name, GetPortName(), cmd_buff).c_str());
LOG_ERROR(Service, "unknown / unimplemented %s", MakeFunctionString(function_name.c_str(), GetPortName().c_str(), cmd_buff).c_str());
// TODO(bunnei): Hack - ignore error
cmd_buff[1] = 0;
return MakeResult<bool>(false);
} else {
LOG_TRACE(Service, "%s", MakeFunctionString(itr->second.name, GetPortName(), cmd_buff).c_str());
LOG_TRACE(Service, "%s", MakeFunctionString(itr->second.name, GetPortName().c_str(), cmd_buff).c_str());
}
itr->second.func(this);