77 lines
2.6 KiB
C++
77 lines
2.6 KiB
C++
#ifndef IPLATFORM_H
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#define IPLATFORM_H
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#include "IInterface.h"
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#include "CString.h"
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class IPlatform : public IInterface {
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public:
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typedef int (*DaemonFunc)(IPlatform*, int argc, const char** argv);
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enum EResult {
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kSuccess,
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kFailed,
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kAlready
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};
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// manipulators
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// install/uninstall a daemon. commandLine should *not*
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// include the name of program as the first argument.
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// FIXME -- throw on error? will get better error messages that way.
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virtual bool installDaemon(const char* name,
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const char* description,
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const char* pathname,
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const char* commandLine) = 0;
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virtual EResult uninstallDaemon(const char* name) = 0;
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// daemonize. this should call installDaemonLogger(). returns
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// true iff successful. the name is the name of the daemon.
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// daemonize. this should have the side effect of sending log
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// messages to a system message logger since messages can no
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// longer go to the console. name is the name of the daemon.
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// once daemonized, func is invoked and daemonize returns when
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// and what func does. daemonize() returns -1 on error.
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//
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// exactly what happens when daemonizing depends on the platform.
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// unix:
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// detaches from terminal. func gets one argument, the name
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// passed to daemonize().
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// win32:
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// becomes a service. argument 0 is the name of the service
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// and the rest are the arguments passed to StartService().
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// func is only called when the service is actually started.
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// func must behave like a proper ServiceMain() function; in
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// particular, it must call RegisterServiceCtrlHandler() and
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// SetServiceStatus().
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virtual int daemonize(const char* name, DaemonFunc func) = 0;
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// directs CLog to send messages to the daemon log. used when
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// messages should no longer go to the console. name is used
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// in the log to identify this process.
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virtual void installDaemonLogger(const char* name) = 0;
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// accessors
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// find the basename in the given pathname
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virtual const char* getBasename(const char* pathname) const = 0;
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// get the user's home directory. returns the empty string if
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// this cannot be determined.
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virtual CString getUserDirectory() const = 0;
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// get the system configuration file directory
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virtual CString getSystemDirectory() const = 0;
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// concatenate pathname components with a directory separator
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// between them. this should not check if the resulting path
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// is longer than allowed by the system. we'll rely on the
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// system calls to tell us that.
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virtual CString addPathComponent(
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const CString& prefix,
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const CString& suffix) const = 0;
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};
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#endif
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