/** Description \file edsp.h {{{
######################################################################
Set of methods to help writing and reading everything needed for EDSP
- with the noteable exception of reading a scenario for conversion into
+ with the notable exception of reading a scenario for conversion into
a Cache as this is handled by edsp interface for listparser and friends
##################################################################### */
/*}}}*/
#ifndef PKGLIB_EDSP_H
#define PKGLIB_EDSP_H
-#include <apt-pkg/pkgcache.h>
#include <apt-pkg/cacheset.h>
+#include <apt-pkg/pkgcache.h>
+#include <apt-pkg/cacheiterators.h>
+#include <apt-pkg/macros.h>
+
+#include <stdio.h>
#include <list>
#include <string>
+#include <vector>
#ifndef APT_8_CLEANER_HEADERS
#include <apt-pkg/depcache.h>
class pkgDepCache;
class OpProgress;
-class EDSP /*{{{*/
+namespace EDSP /*{{{*/
{
- // we could use pkgCache::DepType and ::Priority, but these would be localized strings…
- static const char * const PrioMap[];
- static const char * const DepMap[];
-
- bool static ReadLine(int const input, std::string &line);
- bool static StringToBool(char const *answer, bool const defValue);
-
- void static WriteScenarioVersion(pkgDepCache &Cache, FILE* output,
- pkgCache::PkgIterator const &Pkg,
- pkgCache::VerIterator const &Ver);
- void static WriteScenarioDependency(pkgDepCache &Cache, FILE* output,
- pkgCache::PkgIterator const &Pkg,
- pkgCache::VerIterator const &Ver);
- void static WriteScenarioLimitedDependency(pkgDepCache &Cache, FILE* output,
- pkgCache::PkgIterator const &Pkg,
- pkgCache::VerIterator const &Ver,
- APT::PackageSet const &pkgset);
-public:
+ namespace Request
+ {
+ enum Flags
+ {
+ AUTOREMOVE = (1 << 0), /*!< removal of unneeded packages should be performed */
+ UPGRADE_ALL = (1 << 1), /*!< upgrade all installed packages, like 'apt-get full-upgrade' without forbid flags */
+ FORBID_NEW_INSTALL = (1 << 2), /*!< forbid the resolver to install new packages */
+ FORBID_REMOVE = (1 << 3), /*!< forbid the resolver to remove packages */
+ };
+ }
/** \brief creates the EDSP request stanza
*
* In the EDSP protocol the first thing send to the resolver is a stanza
*
* \param Cache in which the request is encoded
* \param output is written to this "file"
- * \param upgrade is true if it is an request like apt-get upgrade
- * \param distUpgrade is true if it is a request like apt-get dist-upgrade
- * \param autoRemove is true if removal of unneeded packages should be performed
+ * \param flags effecting the request documented in #EDSP::Request::Flags
* \param Progress is an instance to report progress to
*
* \return true if request was composed successfully, otherwise false
*/
- bool static WriteRequest(pkgDepCache &Cache, FILE* output,
+ bool WriteRequest(pkgDepCache &Cache, FileFd &output,
+ unsigned int const flags = 0,
+ OpProgress *Progress = NULL);
+ bool WriteRequest(pkgDepCache &Cache, FILE* output,
bool const upgrade = false,
bool const distUpgrade = false,
bool const autoRemove = false,
- OpProgress *Progress = NULL);
+ OpProgress *Progress = NULL) APT_DEPRECATED_MSG("Use FileFd-based interface instead");
/** \brief creates the scenario representing the package universe
*
* it doesn't make sense from an APT resolver point of view like versions
* with a negative pin to enable the solver to propose even that as a
* solution or at least to be able to give a hint what can be done to
- * statisfy a request.
+ * satisfy a request.
*
* \param Cache is the known package universe
* \param output is written to this "file"
*
* \return true if universe was composed successfully, otherwise false
*/
- bool static WriteScenario(pkgDepCache &Cache, FILE* output, OpProgress *Progress = NULL);
+ bool WriteScenario(pkgDepCache &Cache, FileFd &output, OpProgress *Progress = NULL);
+ bool WriteScenario(pkgDepCache &Cache, FILE* output, OpProgress *Progress = NULL) APT_DEPRECATED_MSG("Use FileFd-based interface instead");
/** \brief creates a limited scenario representing the package universe
*
*
* \return true if universe was composed successfully, otherwise false
*/
- bool static WriteLimitedScenario(pkgDepCache &Cache, FILE* output,
- APT::PackageSet const &pkgset,
+ bool WriteLimitedScenario(pkgDepCache &Cache, FileFd &output,
+ std::vector<bool> const &pkgset,
OpProgress *Progress = NULL);
+ bool WriteLimitedScenario(pkgDepCache &Cache, FILE* output,
+ APT::PackageSet const &pkgset,
+ OpProgress *Progress = NULL) APT_DEPRECATED_MSG("Use FileFd-based interface instead");
/** \brief waits and acts on the information returned from the solver
*
* This method takes care of interpreting whatever the solver sends
* through the standard output like a solution, progress or an error.
- * The main thread should handle his control over to this method to
- * wait for the solver to finish the given task
+ * The main thread should hand his control over to this method to
+ * wait for the solver to finish the given task. The file descriptor
+ * used as input is completely consumed and closed by the method.
*
* \param input file descriptor with the response from the solver
* \param Cache the solution should be applied on if any
*
* \return true if a solution is found and applied correctly, otherwise false
*/
- bool static ReadResponse(int const input, pkgDepCache &Cache, OpProgress *Progress = NULL);
+ bool ReadResponse(int const input, pkgDepCache &Cache, OpProgress *Progress = NULL);
/** \brief search and read the request stanza for action later
*
*
* \return true if the request could be found and worked on, otherwise false
*/
- bool static ReadRequest(int const input, std::list<std::string> &install,
+ bool ReadRequest(int const input, std::list<std::string> &install,
+ std::list<std::string> &remove, unsigned int &flags);
+ APT_DEPRECATED_MSG("use the flag-based version instead") bool ReadRequest(int const input, std::list<std::string> &install,
std::list<std::string> &remove, bool &upgrade,
bool &distUpgrade, bool &autoRemove);
*
* \return false if the request couldn't be applied, true otherwise
*/
- bool static ApplyRequest(std::list<std::string> const &install,
+ bool ApplyRequest(std::list<std::string> const &install,
std::list<std::string> const &remove,
pkgDepCache &Cache);
- /** \brief encodes the changes in the Cache as a EDSP solution
+ /** \brief formats a solution stanza for the given version
*
- * The markers in the Cache are observed and send to given
- * file. The solution isn't checked for consistency or alike,
- * so even broken solutions can be written successfully,
- * but the front-end revicing it will properly fail then.
+ * EDSP uses a simple format for reporting solutions:
+ * A single required field name with an ID as value.
+ * Additional fields might appear as debug aids.
*
- * \param Cache which represents the solution
- * \param output to write the stanzas forming the solution to
+ * \param output to write the stanza forming the solution to
+ * \param Type of the stanza, used as field name
+ * \param Ver this stanza applies to
*
- * \return true if solution could be written, otherwise false
+ * \return true if stanza could be written, otherwise false
*/
- bool static WriteSolution(pkgDepCache &Cache, FILE* output);
+ bool WriteSolutionStanza(FileFd &output, char const * const Type, pkgCache::VerIterator const &Ver);
+ bool WriteSolution(pkgDepCache &Cache, FILE* output) APT_DEPRECATED_MSG("Use FileFd-based single-stanza interface instead");
/** \brief sends a progress report
*
* \param message the solver wants the user to see
* \param output the front-end listens for progress report
*/
- bool static WriteProgress(unsigned short const percent, const char* const message, FILE* output);
+ bool WriteProgress(unsigned short const percent, const char* const message, FileFd &output);
+ bool WriteProgress(unsigned short const percent, const char* const message, FILE* output) APT_DEPRECATED_MSG("Use FileFd-based interface instead");
/** \brief sends an error report
*
* they were unable to calculate a solution for a given task.
* Obviously they can't send a solution through, so this
* methods deals with formatting an error message correctly
- * so that the front-ends can recieve and display it.
+ * so that the front-ends can receive and display it.
*
* The first line of the message should be a short description
* of the error so it can be used for dialog titles or alike
*
* \param uuid of this error message
- * \param message is free form text to discribe the error
+ * \param message is free form text to describe the error
* \param output the front-end listens for error messages
*/
- bool static WriteError(char const * const uuid, std::string const &message, FILE* output);
+ bool WriteError(char const * const uuid, std::string const &message, FileFd &output);
+ bool WriteError(char const * const uuid, std::string const &message, FILE* output) APT_DEPRECATED_MSG("Use FileFd-based interface instead");
/** \brief executes the given solver and returns the pipe ends
* \param[out] solver_in will be the stdin of the solver
* \param[out] solver_out will be the stdout of the solver
*
- * \return true if the solver could be started and the pipes
- * are set up correctly, otherwise false and the pipes are invalid
+ * \return PID of the started solver or 0 if failure occurred
*/
- bool static ExecuteSolver(const char* const solver, int *solver_in, int *solver_out);
+ pid_t ExecuteSolver(const char* const solver, int * const solver_in, int * const solver_out, bool /*overload*/);
+ APT_DEPRECATED_MSG("add a dummy bool parameter to use the overload returning a pid_t") bool ExecuteSolver(const char* const solver, int *solver_in, int *solver_out);
/** \brief call an external resolver to handle the request
*
*
* \param solver to execute
* \param Cache with the problem and as universe to work in
- * \param upgrade is true if it is a request like apt-get upgrade
- * \param distUpgrade is true if it is a request like apt-get dist-upgrade
- * \param autoRemove is true if unneeded packages should be removed
+ * \param flags effecting the request documented in #EDSP::Request::Flags
* \param Progress is an instance to report progress to
*
* \return true if the solver has successfully solved the problem,
* otherwise false
*/
- bool static ResolveExternal(const char* const solver, pkgDepCache &Cache,
+ bool ResolveExternal(const char* const solver, pkgDepCache &Cache,
+ unsigned int const flags = 0,
+ OpProgress *Progress = NULL);
+ APT_DEPRECATED_MSG("use the flag-based version instead") bool ResolveExternal(const char* const solver, pkgDepCache &Cache,
bool const upgrade, bool const distUpgrade,
bool const autoRemove, OpProgress *Progress = NULL);
-};
+}
+ /*}}}*/
+class pkgPackageManager;
+namespace EIPP /*{{{*/
+{
+ namespace Request
+ {
+ enum Flags
+ {
+ IMMEDIATE_CONFIGURATION_ALL = (1 << 0), /*!< try to keep the least amount of packages unconfigured as possible at all times */
+ NO_IMMEDIATE_CONFIGURATION = (1 << 1), /*!< do not perform immediate configuration at all */
+ ALLOW_TEMPORARY_REMOVE_OF_ESSENTIALS = (1 << 2), /*!< just as the name suggests, very special case and dangerous! */
+ };
+ }
+
+ APT_HIDDEN bool WriteRequest(pkgDepCache &Cache, FileFd &output,
+ unsigned int const flags, OpProgress * const Progress);
+ APT_HIDDEN bool WriteScenario(pkgDepCache &Cache, FileFd &output,
+ OpProgress * const Progress);
+
+ APT_HIDDEN bool OrderInstall(char const * const planner, pkgPackageManager * const PM,
+ unsigned int const version, OpProgress * const Progress);
+ APT_HIDDEN bool ReadResponse(int const input, pkgPackageManager * const PM,
+ OpProgress * const Progress);
+
+ enum class PKG_ACTION
+ {
+ NOOP,
+ INSTALL,
+ REINSTALL,
+ REMOVE
+ };
+ bool ReadRequest(int const input,
+ std::list<std::pair<std::string,PKG_ACTION>> &actions,
+ unsigned int &flags);
+ bool ApplyRequest(std::list<std::pair<std::string,PKG_ACTION>> &actions,
+ pkgDepCache &Cache);
+}
/*}}}*/
#endif
projects / apt.git / blobdiff