*
* 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
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 WriteSolution(pkgDepCache &Cache, FileFd &output);
- bool WriteSolution(pkgDepCache &Cache, FILE* output) APT_DEPRECATED_MSG("Use FileFd-based interface instead");
+ 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
*
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