[pacman-dev] [PATCH 4/8] Update the event callback

Olivier Brunel jjk at jjacky.com
Sun Dec 15 09:58:40 EST 2013


On 12/15/13 13:10, Allan McRae wrote:
> On 03/12/13 06:45, Olivier Brunel wrote:
>> Instead of using two void* arguments for all events, we now send one
>> pointer to an alpm_event_t struct. This contains the type of event that
>> was triggered.
>>
>> With this information, the pointer can then be typecasted to the
>> event-specific struct in order to get additional arguments.
>>
>> Signed-off-by: Olivier Brunel <jjk at jjacky.com>
> 
> I have given couple of suggestions below for naming that I think makes
> things clearer.  Also a query regarding the delta event struct.
> 
> Otherwise, this looks good.
> 
>> ---
>>  lib/libalpm/add.c     |  31 ++++++-----
>>  lib/libalpm/alpm.h    | 150 +++++++++++++++++++++++++++++---------------------
>>  lib/libalpm/be_sync.c |   6 +-
>>  lib/libalpm/handle.h  |   4 +-
>>  lib/libalpm/remove.c  |  25 +++++++--
>>  lib/libalpm/sync.c    |  82 +++++++++++++++++++--------
>>  lib/libalpm/util.c    |   6 +-
>>  src/pacman/callback.c |  87 ++++++++++++++++-------------
>>  src/pacman/callback.h |   2 +-
>>  9 files changed, 244 insertions(+), 149 deletions(-)
>>
>> diff --git a/lib/libalpm/add.c b/lib/libalpm/add.c
>> index c7e5b5d..3067df5 100644
>> --- a/lib/libalpm/add.c
>> +++ b/lib/libalpm/add.c
>> @@ -460,7 +460,7 @@ static int commit_single_pkg(alpm_handle_t *handle, alpm_pkg_t *newpkg,
>>  	alpm_db_t *db = handle->db_local;
>>  	alpm_trans_t *trans = handle->trans;
>>  	alpm_progress_t progress = ALPM_PROGRESS_ADD_START;
>> -	alpm_event_t done = ALPM_EVENT_ADD_DONE, start = ALPM_EVENT_ADD_START;
>> +	alpm_event_update_t event;
>>  	const char *log_msg = "adding";
>>  	const char *pkgfile;
>>  
>> @@ -473,18 +473,15 @@ static int commit_single_pkg(alpm_handle_t *handle, alpm_pkg_t *newpkg,
>>  		if(cmp < 0) {
>>  			log_msg = "downgrading";
>>  			progress = ALPM_PROGRESS_DOWNGRADE_START;
>> -			start = ALPM_EVENT_DOWNGRADE_START;
>> -			done = ALPM_EVENT_DOWNGRADE_DONE;
>> +			event.operation = ALPM_OPERATION_DOWNGRADE;
>>  		} else if(cmp == 0) {
>>  			log_msg = "reinstalling";
>>  			progress = ALPM_PROGRESS_REINSTALL_START;
>> -			start = ALPM_EVENT_REINSTALL_START;
>> -			done = ALPM_EVENT_REINSTALL_DONE;
>> +			event.operation = ALPM_OPERATION_REINSTALL;
>>  		} else {
>>  			log_msg = "upgrading";
>>  			progress = ALPM_PROGRESS_UPGRADE_START;
>> -			start = ALPM_EVENT_UPGRADE_START;
>> -			done = ALPM_EVENT_UPGRADE_DONE;
>> +			event.operation = ALPM_OPERATION_UPGRADE;
>>  		}
>>  		is_upgrade = 1;
>>  
>> @@ -496,9 +493,14 @@ static int commit_single_pkg(alpm_handle_t *handle, alpm_pkg_t *newpkg,
>>  
>>  		/* copy over the install reason */
>>  		newpkg->reason = alpm_pkg_get_reason(local);
>> +	} else {
>> +		event.operation = ALPM_OPERATION_INSTALL;
>>  	}
>>  
>> -	EVENT(handle, start, newpkg, local);
>> +	event.type = ALPM_EVENT_UPDATE_START;
>> +	event.oldpkg = oldpkg;
>> +	event.newpkg = newpkg;
>> +	EVENT(handle, &event);
>>  
>>  	pkgfile = newpkg->origin_data.file;
>>  
>> @@ -649,20 +651,20 @@ static int commit_single_pkg(alpm_handle_t *handle, alpm_pkg_t *newpkg,
>>  
>>  	PROGRESS(handle, progress, newpkg->name, 100, pkg_count, pkg_current);
>>  
>> -	switch(done) {
>> -		case ALPM_EVENT_ADD_DONE:
>> +	switch(event.operation) {
>> +		case ALPM_OPERATION_INSTALL:
>>  			alpm_logaction(handle, ALPM_CALLER_PREFIX, "installed %s (%s)\n",
>>  					newpkg->name, newpkg->version);
>>  			break;
>> -		case ALPM_EVENT_DOWNGRADE_DONE:
>> +		case ALPM_OPERATION_DOWNGRADE:
>>  			alpm_logaction(handle, ALPM_CALLER_PREFIX, "downgraded %s (%s -> %s)\n",
>>  					newpkg->name, oldpkg->version, newpkg->version);
>>  			break;
>> -		case ALPM_EVENT_REINSTALL_DONE:
>> +		case ALPM_OPERATION_REINSTALL:
>>  			alpm_logaction(handle, ALPM_CALLER_PREFIX, "reinstalled %s (%s)\n",
>>  					newpkg->name, newpkg->version);
>>  			break;
>> -		case ALPM_EVENT_UPGRADE_DONE:
>> +		case ALPM_OPERATION_UPGRADE:
>>  			alpm_logaction(handle, ALPM_CALLER_PREFIX, "upgraded %s (%s -> %s)\n",
>>  					newpkg->name, oldpkg->version, newpkg->version);
>>  			break;
>> @@ -682,7 +684,8 @@ static int commit_single_pkg(alpm_handle_t *handle, alpm_pkg_t *newpkg,
>>  		free(scriptlet);
>>  	}
>>  
>> -	EVENT(handle, done, newpkg, oldpkg);
>> +	event.type = ALPM_EVENT_UPDATE_DONE;
>> +	EVENT(handle, &event);
>>  
>>  cleanup:
>>  	_alpm_pkg_free(oldpkg);
>> diff --git a/lib/libalpm/alpm.h b/lib/libalpm/alpm.h
>> index c6d9064..eba9375 100644
>> --- a/lib/libalpm/alpm.h
>> +++ b/lib/libalpm/alpm.h
>> @@ -275,10 +275,9 @@ int alpm_logaction(alpm_handle_t *handle, const char *prefix,
>>  		const char *fmt, ...) __attribute__((format(printf, 3, 4)));
>>  
>>  /**
>> - * Events.
>> - * NULL parameters are passed to in all events unless specified otherwise.
>> + * Type of events.
>>   */
>> -typedef enum _alpm_event_t {
>> +typedef enum _alpm_event_type_t {
>>  	/** Dependencies will be computed for a package. */
>>  	ALPM_EVENT_CHECKDEPS_START = 1,
>>  	/** Dependencies were computed for a package. */
>> @@ -295,49 +294,12 @@ typedef enum _alpm_event_t {
>>  	ALPM_EVENT_INTERCONFLICTS_START,
>>  	/** Inter-conflicts were checked for target package. */
>>  	ALPM_EVENT_INTERCONFLICTS_DONE,
>> -	/** Package will be installed.
>> -	 * A pointer to the target package is passed to the callback.
>> -	 */
>> -	ALPM_EVENT_ADD_START,
>> -	/** Package was installed.
>> -	 * A pointer to the new package is passed to the callback.
>> -	 */
>> -	ALPM_EVENT_ADD_DONE,
>> -	/** Package will be removed.
>> -	 * A pointer to the target package is passed to the callback.
>> -	 */
>> -	ALPM_EVENT_REMOVE_START,
>> -	/** Package was removed.
>> -	 * A pointer to the removed package is passed to the callback.
>> -	 */
>> -	ALPM_EVENT_REMOVE_DONE,
>> -	/** Package will be upgraded.
>> -	 * A pointer to the upgraded package is passed to the callback.
>> -	 */
>> -	ALPM_EVENT_UPGRADE_START,
>> -	/** Package was upgraded.
>> -	 * A pointer to the new package, and a pointer to the old package is passed
>> -	 * to the callback, respectively.
>> -	 */
>> -	ALPM_EVENT_UPGRADE_DONE,
>> -	/** Package will be downgraded.
>> -	 * A pointer to the downgraded package is passed to the callback.
>> -	 */
>> -	ALPM_EVENT_DOWNGRADE_START,
>> -	/** Package was downgraded.
>> -	 * A pointer to the new package, and a pointer to the old package is passed
>> -	 * to the callback, respectively.
>> -	 */
>> -	ALPM_EVENT_DOWNGRADE_DONE,
>> -	/** Package will be reinstalled.
>> -	 * A pointer to the reinstalled package is passed to the callback.
>> -	 */
>> -	ALPM_EVENT_REINSTALL_START,
>> -	/** Package was reinstalled.
>> -	 * A pointer to the new package, and a pointer to the old package is passed
>> -	 * to the callback, respectively.
>> -	 */
>> -	ALPM_EVENT_REINSTALL_DONE,
>> +	/** Package will be installed/upgraded/downgraded/re-installed/removed; See
>> +	 * alpm_event_update_t for arguments. */
>> +	ALPM_EVENT_UPDATE_START,
> 
> UPDATE does not sound right to me here.  How about
> ALPM_EVENT_PACKAGE_OPERATION_START?

Yes, that sounds better.

> 
>> +	/** Package was installed/upgraded/downgraded/re-installed/removed; See
>> +	 * alpm_event_update_t for arguments. */
>> +	ALPM_EVENT_UPDATE_DONE,
>>  	/** Target package's integrity will be checked. */
>>  	ALPM_EVENT_INTEGRITY_START,
>>  	/** Target package's integrity was checked. */
>> @@ -354,31 +316,27 @@ typedef enum _alpm_event_t {
>>  	ALPM_EVENT_DELTA_PATCHES_START,
>>  	/** Deltas were applied to packages. */
>>  	ALPM_EVENT_DELTA_PATCHES_DONE,
>> -	/** Delta patch will be applied to target package.
>> -	 * The filename of the package and the filename of the patch is passed to the
>> -	 * callback.
>> -	 */
>> +	/** Delta patch will be applied to target package; See
>> +	 * alpm_event_delta_patch_t for arguments.. */
>>  	ALPM_EVENT_DELTA_PATCH_START,
>>  	/** Delta patch was applied to target package. */
>>  	ALPM_EVENT_DELTA_PATCH_DONE,
>>  	/** Delta patch failed to apply to target package. */
>>  	ALPM_EVENT_DELTA_PATCH_FAILED,
>> -	/** Scriptlet has printed information.
>> -	 * A line of text is passed to the callback.
>> -	 */
>> +	/** Scriptlet has printed information; See alpm_event_scriptlet_info_t for
>> +	 * arguments. */
>>  	ALPM_EVENT_SCRIPTLET_INFO,
>> -	/** Files will be downloaded from a repository.
>> -	 * The repository's tree name is passed to the callback.
>> -	 */
>> +	/** Files will be downloaded from a repository. */
>>  	ALPM_EVENT_RETRIEVE_START,
>> -	/** Disk space usage will be computed for a package */
>> +	/** Disk space usage will be computed for a package. */
>>  	ALPM_EVENT_DISKSPACE_START,
>> -	/** Disk space usage was computed for a package */
>> +	/** Disk space usage was computed for a package. */
>>  	ALPM_EVENT_DISKSPACE_DONE,
>> -	/** An optdepend for another package is being removed
>> -	 * The requiring package and its dependency are passed to the callback */
>> +	/** An optdepend for another package is being removed; See
>> +	 * alpm_event_optdep_removed_t for arguments. */
>>  	ALPM_EVENT_OPTDEP_REMOVED,
>> -	/** A configured repository database is missing */
>> +	/** A configured repository database is missing; See
>> +	 * alpm_event_database_missing_t for arguments. */
>>  	ALPM_EVENT_DATABASE_MISSING,
>>  	/** Checking keys used to create signatures are in keyring. */
>>  	ALPM_EVENT_KEYRING_START,
>> @@ -388,10 +346,76 @@ typedef enum _alpm_event_t {
>>  	ALPM_EVENT_KEY_DOWNLOAD_START,
>>  	/** Key downloading is finished. */
>>  	ALPM_EVENT_KEY_DOWNLOAD_DONE
>> +} alpm_event_type_t;
>> +
>> +/** Events.
>> + * This is a generic struct this is passed to the callback, that allows the
>> + * frontend to know which type of event was triggered. It is then possible to
>> + * typecast the pointer to the right structure, in order to access
>> + * event-specific data. */
>> +typedef struct _alpm_event_t {
>> +	/** Type of event. */
>> +	alpm_event_type_t type;
>>  } alpm_event_t;
>>  
>> -/** Event callback */
>> -typedef void (*alpm_cb_event)(alpm_event_t, void *, void *);
>> +typedef enum _alpm_pkg_operation_t {
> 
> _alpm_package_operation_t
> 
>> +	/** Package (to be) installed. (No oldpkg) */
>> +	ALPM_OPERATION_INSTALL = 1,
> 
> ALPM_PACKAGE_INSTALL
> 
>> +	/** Package (to be) upgraded */
>> +	ALPM_OPERATION_UPGRADE,
>> +	/** Package (to be) re-installed. */
>> +	ALPM_OPERATION_REINSTALL,
>> +	/** Package (to be) downgraded. */
>> +	ALPM_OPERATION_DOWNGRADE,
>> +	/** Package (to be) removed. (No newpkg) */
>> +	ALPM_OPERATION_REMOVE
>> +} alpm_operation_t;
> 
> alpm_package_operation_t
> 
> 
>> +typedef struct _alpm_event_update_t {
> 
> _alpm_event_package_operation_t
> 
>> +	/** Type of event. */
>> +	alpm_event_type_t type;
>> +	/** Type of operation. */
>> +	alpm_operation_t operation;
>> +	/** Old package. */
>> +	alpm_pkg_t *oldpkg;
>> +	/** New package. */
>> +	alpm_pkg_t *newpkg;
>> +} alpm_event_update_t;
>> +
>> +typedef struct _alpm_event_optdep_removed_t {
>> +	/** Type of event. */
>> +	alpm_event_type_t type;
>> +	/** Package with the optdep. */
>> +	alpm_pkg_t *pkg;
>> +	/** Optdep being removed. */
>> +	alpm_depend_t *optdep;
>> +} alpm_event_optdep_removed_t;
>> +
>> +typedef struct _alpm_event_delta_patch_t {
>> +	/** Type of event. */
>> +	alpm_event_type_t type;
>> +	/** Name of the file. */
>> +	const char *pkg_filename;
>> +	/** Name of the patch. */
>> +	const char *patch_filename;
> 
> Any reason to not just pass the alpm_delta_t* here?

I don't think so, I just kept the same arguments as before. Looking at
the log it doesn't seem there is a reason to not send the alpm_delta_t*
currently, so I'll do that instead yes.

> 
>> +} alpm_event_delta_patch_t;
>> +
>> +typedef struct _alpm_event_scriptlet_info_t {
>> +	/** Type of event. */
>> +	alpm_event_type_t type;
>> +	/** Line of scriptlet output. */
>> +	const char *line;
>> +} alpm_event_scriptlet_info_t;
>> +
>> +typedef struct _alpm_event_database_missing_t {
>> +	/** Type of event. */
>> +	alpm_event_type_t type;
>> +	/** Name of the database. */
>> +	const char *dbname;
>> +} alpm_event_database_missing_t;
>> +
>> +/** Event callback. */
>> +typedef void (*alpm_cb_event)(alpm_event_t *);
>>  
>>  /**
>>   * Questions.
>> diff --git a/lib/libalpm/be_sync.c b/lib/libalpm/be_sync.c
>> index 123d953..3f3d54f 100644
>> --- a/lib/libalpm/be_sync.c
>> +++ b/lib/libalpm/be_sync.c
>> @@ -89,9 +89,13 @@ static int sync_db_validate(alpm_db_t *db)
>>  
>>  	/* we can skip any validation if the database doesn't exist */
>>  	if(_alpm_access(db->handle, NULL, dbpath, R_OK) != 0 && errno == ENOENT) {
>> +		alpm_event_database_missing_t event = {
>> +			.type = ALPM_EVENT_DATABASE_MISSING,
>> +			.dbname = db->treename
>> +		};
>>  		db->status &= ~DB_STATUS_EXISTS;
>>  		db->status |= DB_STATUS_MISSING;
>> -		EVENT(db->handle, ALPM_EVENT_DATABASE_MISSING, db->treename, NULL);
>> +		EVENT(db->handle, &event);
>>  		goto valid;
>>  	}
>>  	db->status |= DB_STATUS_EXISTS;
>> diff --git a/lib/libalpm/handle.h b/lib/libalpm/handle.h
>> index 4126e1a..4275d13 100644
>> --- a/lib/libalpm/handle.h
>> +++ b/lib/libalpm/handle.h
>> @@ -31,10 +31,10 @@
>>  #include <curl/curl.h>
>>  #endif
>>  
>> -#define EVENT(h, e, d1, d2) \
>> +#define EVENT(h, e) \
>>  do { \
>>  	if((h)->eventcb) { \
>> -		(h)->eventcb(e, d1, d2); \
>> +		(h)->eventcb((alpm_event_t *) (e)); \
>>  	} \
>>  } while(0)
>>  #define QUESTION(h, q, d1, d2, d3, r) \
>> diff --git a/lib/libalpm/remove.c b/lib/libalpm/remove.c
>> index 8884495..32d71ab 100644
>> --- a/lib/libalpm/remove.c
>> +++ b/lib/libalpm/remove.c
>> @@ -179,7 +179,12 @@ static void remove_notify_needed_optdepends(alpm_handle_t *handle, alpm_list_t *
>>  			for(j = optdeps; j; j = alpm_list_next(j)) {
>>  				alpm_depend_t *optdep = j->data;
>>  				if(alpm_pkg_find(lp, optdep->name)) {
>> -					EVENT(handle, ALPM_EVENT_OPTDEP_REMOVED, pkg, optdep);
>> +					alpm_event_optdep_removed_t event = {
>> +						.type = ALPM_EVENT_OPTDEP_REMOVED,
>> +						.pkg = pkg,
>> +						.optdep = optdep
>> +					};
>> +					EVENT(handle, &event);
>>  				}
>>  			}
>>  		}
>> @@ -203,6 +208,7 @@ int _alpm_remove_prepare(alpm_handle_t *handle, alpm_list_t **data)
>>  	alpm_list_t *lp;
>>  	alpm_trans_t *trans = handle->trans;
>>  	alpm_db_t *db = handle->db_local;
>> +	alpm_event_t event;
>>  
>>  	if((trans->flags & ALPM_TRANS_FLAG_RECURSE)
>>  			&& !(trans->flags & ALPM_TRANS_FLAG_CASCADE)) {
>> @@ -214,7 +220,8 @@ int _alpm_remove_prepare(alpm_handle_t *handle, alpm_list_t **data)
>>  	}
>>  
>>  	if(!(trans->flags & ALPM_TRANS_FLAG_NODEPS)) {
>> -		EVENT(handle, ALPM_EVENT_CHECKDEPS_START, NULL, NULL);
>> +		event.type = ALPM_EVENT_CHECKDEPS_START;
>> +		EVENT(handle, &event);
>>  
>>  		_alpm_log(handle, ALPM_LOG_DEBUG, "looking for unsatisfied dependencies\n");
>>  		lp = alpm_checkdeps(handle, _alpm_db_get_pkgcache(db), trans->remove, NULL, 1);
>> @@ -261,7 +268,8 @@ int _alpm_remove_prepare(alpm_handle_t *handle, alpm_list_t **data)
>>  	remove_notify_needed_optdepends(handle, trans->remove);
>>  
>>  	if(!(trans->flags & ALPM_TRANS_FLAG_NODEPS)) {
>> -		EVENT(handle, ALPM_EVENT_CHECKDEPS_DONE, NULL, NULL);
>> +		event.type = ALPM_EVENT_CHECKDEPS_DONE;
>> +		EVENT(handle, &event);
>>  	}
>>  
>>  	return 0;
>> @@ -663,12 +671,18 @@ int _alpm_remove_single_package(alpm_handle_t *handle,
>>  {
>>  	const char *pkgname = oldpkg->name;
>>  	const char *pkgver = oldpkg->version;
>> +	alpm_event_update_t event = {
>> +		.type = ALPM_EVENT_UPDATE_START,
>> +		.operation = ALPM_OPERATION_REMOVE,
>> +		.oldpkg = oldpkg,
>> +		.newpkg = NULL
>> +	};
>>  
>>  	if(newpkg) {
>>  		_alpm_log(handle, ALPM_LOG_DEBUG, "removing old package first (%s-%s)\n",
>>  				pkgname, pkgver);
>>  	} else {
>> -		EVENT(handle, ALPM_EVENT_REMOVE_START, oldpkg, NULL);
>> +		EVENT(handle, &event);
>>  		_alpm_log(handle, ALPM_LOG_DEBUG, "removing package %s-%s\n",
>>  				pkgname, pkgver);
>>  
>> @@ -702,7 +716,8 @@ int _alpm_remove_single_package(alpm_handle_t *handle,
>>  	}
>>  
>>  	if(!newpkg) {
>> -		EVENT(handle, ALPM_EVENT_REMOVE_DONE, oldpkg, NULL);
>> +		event.type = ALPM_EVENT_UPDATE_DONE;
>> +		EVENT(handle, &event);
>>  	}
>>  
>>  	/* remove the package from the database */
>> diff --git a/lib/libalpm/sync.c b/lib/libalpm/sync.c
>> index 551f926..c79000c 100644
>> --- a/lib/libalpm/sync.c
>> +++ b/lib/libalpm/sync.c
>> @@ -369,6 +369,7 @@ int _alpm_sync_prepare(alpm_handle_t *handle, alpm_list_t **data)
>>  	size_t from_sync = 0;
>>  	int ret = 0;
>>  	alpm_trans_t *trans = handle->trans;
>> +	alpm_event_t event;
>>  
>>  	if(data) {
>>  		*data = NULL;
>> @@ -398,7 +399,8 @@ int _alpm_sync_prepare(alpm_handle_t *handle, alpm_list_t **data)
>>  
>>  		/* Build up list by repeatedly resolving each transaction package */
>>  		/* Resolve targets dependencies */
>> -		EVENT(handle, ALPM_EVENT_RESOLVEDEPS_START, NULL, NULL);
>> +		event.type = ALPM_EVENT_RESOLVEDEPS_START;
>> +		EVENT(handle, &event);
>>  		_alpm_log(handle, ALPM_LOG_DEBUG, "resolving target's dependencies\n");
>>  
>>  		/* build remove list for resolvedeps */
>> @@ -474,12 +476,14 @@ int _alpm_sync_prepare(alpm_handle_t *handle, alpm_list_t **data)
>>  		alpm_list_free(trans->add);
>>  		trans->add = resolved;
>>  
>> -		EVENT(handle, ALPM_EVENT_RESOLVEDEPS_DONE, NULL, NULL);
>> +		event.type = ALPM_EVENT_RESOLVEDEPS_DONE;
>> +		EVENT(handle, &event);
>>  	}
>>  
>>  	if(!(trans->flags & ALPM_TRANS_FLAG_NOCONFLICTS)) {
>>  		/* check for inter-conflicts and whatnot */
>> -		EVENT(handle, ALPM_EVENT_INTERCONFLICTS_START, NULL, NULL);
>> +		event.type = ALPM_EVENT_INTERCONFLICTS_START;
>> +		EVENT(handle, &event);
>>  
>>  		_alpm_log(handle, ALPM_LOG_DEBUG, "looking for conflicts\n");
>>  
>> @@ -590,7 +594,8 @@ int _alpm_sync_prepare(alpm_handle_t *handle, alpm_list_t **data)
>>  				goto cleanup;
>>  			}
>>  		}
>> -		EVENT(handle, ALPM_EVENT_INTERCONFLICTS_DONE, NULL, NULL);
>> +		event.type = ALPM_EVENT_INTERCONFLICTS_DONE;
>> +		EVENT(handle, &event);
>>  		alpm_list_free_inner(deps, (alpm_list_fn_free)_alpm_conflict_free);
>>  		alpm_list_free(deps);
>>  	}
>> @@ -679,6 +684,7 @@ static int apply_deltas(alpm_handle_t *handle)
>>  	int deltas_found = 0, ret = 0;
>>  	const char *cachedir = _alpm_filecache_setup(handle);
>>  	alpm_trans_t *trans = handle->trans;
>> +	alpm_event_delta_patch_t event;
>>  
>>  	for(i = trans->add; i; i = i->next) {
>>  		alpm_pkg_t *spkg = i->data;
>> @@ -692,7 +698,8 @@ static int apply_deltas(alpm_handle_t *handle)
>>  		if(!deltas_found) {
>>  			/* only show this if we actually have deltas to apply, and it is before
>>  			 * the very first one */
>> -			EVENT(handle, ALPM_EVENT_DELTA_PATCHES_START, NULL, NULL);
>> +			event.type = ALPM_EVENT_DELTA_PATCHES_START;
>> +			EVENT(handle, &event);
>>  			deltas_found = 1;
>>  		}
>>  
>> @@ -726,11 +733,15 @@ static int apply_deltas(alpm_handle_t *handle)
>>  
>>  			_alpm_log(handle, ALPM_LOG_DEBUG, "command: %s\n", command);
>>  
>> -			EVENT(handle, ALPM_EVENT_DELTA_PATCH_START, d->to, d->delta);
>> +			event.type = ALPM_EVENT_DELTA_PATCH_START;
>> +			event.pkg_filename = d->to;
>> +			event.patch_filename = d->delta;
>> +			EVENT(handle, &event);
>>  
>>  			int retval = system(command);
>>  			if(retval == 0) {
>> -				EVENT(handle, ALPM_EVENT_DELTA_PATCH_DONE, NULL, NULL);
>> +				event.type = ALPM_EVENT_DELTA_PATCH_DONE;
>> +				EVENT(handle, &event);
>>  
>>  				/* delete the delta file */
>>  				unlink(delta);
>> @@ -748,7 +759,8 @@ static int apply_deltas(alpm_handle_t *handle)
>>  
>>  			if(retval != 0) {
>>  				/* one delta failed for this package, cancel the remaining ones */
>> -				EVENT(handle, ALPM_EVENT_DELTA_PATCH_FAILED, NULL, NULL);
>> +				event.type = ALPM_EVENT_DELTA_PATCH_FAILED;
>> +				EVENT(handle, &event);
>>  				handle->pm_errno = ALPM_ERR_DLT_PATCHFAILED;
>>  				ret = 1;
>>  				break;
>> @@ -756,7 +768,8 @@ static int apply_deltas(alpm_handle_t *handle)
>>  		}
>>  	}
>>  	if(deltas_found) {
>> -		EVENT(handle, ALPM_EVENT_DELTA_PATCHES_DONE, NULL, NULL);
>> +		event.type = ALPM_EVENT_DELTA_PATCHES_DONE;
>> +		EVENT(handle, &event);
>>  	}
>>  
>>  	return ret;
>> @@ -785,13 +798,15 @@ static int prompt_to_delete(alpm_handle_t *handle, const char *filepath,
>>  static int validate_deltas(alpm_handle_t *handle, alpm_list_t *deltas)
>>  {
>>  	alpm_list_t *i, *errors = NULL;
>> +	alpm_event_t event;
>>  
>>  	if(!deltas) {
>>  		return 0;
>>  	}
>>  
>>  	/* Check integrity of deltas */
>> -	EVENT(handle, ALPM_EVENT_DELTA_INTEGRITY_START, NULL, NULL);
>> +	event.type = ALPM_EVENT_DELTA_INTEGRITY_START;
>> +	EVENT(handle, &event);
>>  	for(i = deltas; i; i = i->next) {
>>  		alpm_delta_t *d = i->data;
>>  		char *filepath = _alpm_filecache_find(handle, d->delta);
>> @@ -802,7 +817,8 @@ static int validate_deltas(alpm_handle_t *handle, alpm_list_t *deltas)
>>  			FREE(filepath);
>>  		}
>>  	}
>> -	EVENT(handle, ALPM_EVENT_DELTA_INTEGRITY_DONE, NULL, NULL);
>> +	event.type = ALPM_EVENT_DELTA_INTEGRITY_DONE;
>> +	EVENT(handle, &event);
>>  
>>  	if(errors) {
>>  		for(i = errors; i; i = i->next) {
>> @@ -908,6 +924,7 @@ static int download_files(alpm_handle_t *handle, alpm_list_t **deltas)
>>  	const char *cachedir;
>>  	alpm_list_t *i, *files = NULL;
>>  	int errors = 0;
>> +	alpm_event_t event;
>>  
>>  	cachedir = _alpm_filecache_setup(handle);
>>  	handle->trans->state = STATE_DOWNLOADING;
>> @@ -955,7 +972,8 @@ static int download_files(alpm_handle_t *handle, alpm_list_t **deltas)
>>  			}
>>  		}
>>  
>> -		EVENT(handle, ALPM_EVENT_RETRIEVE_START, NULL, NULL);
>> +		event.type = ALPM_EVENT_RETRIEVE_START;
>> +		EVENT(handle, &event);
>>  		for(i = files; i; i = i->next) {
>>  			if(download_single_file(handle, i->data, cachedir) == -1) {
>>  				errors++;
>> @@ -989,8 +1007,10 @@ static int check_keyring(alpm_handle_t *handle)
>>  {
>>  	size_t current = 0, numtargs;
>>  	alpm_list_t *i, *errors = NULL;
>> +	alpm_event_t event;
>>  
>> -	EVENT(handle, ALPM_EVENT_KEYRING_START, NULL, NULL);
>> +	event.type = ALPM_EVENT_KEYRING_START;
>> +	EVENT(handle, &event);
>>  
>>  	numtargs = alpm_list_count(handle->trans->add);
>>  
>> @@ -1033,10 +1053,12 @@ static int check_keyring(alpm_handle_t *handle)
>>  
>>  	PROGRESS(handle, ALPM_PROGRESS_KEYRING_START, "", 100,
>>  			numtargs, current);
>> -	EVENT(handle, ALPM_EVENT_KEYRING_DONE, NULL, NULL);
>> +	event.type = ALPM_EVENT_KEYRING_DONE;
>> +	EVENT(handle, &event);
>>  
>>  	if(errors) {
>> -		EVENT(handle, ALPM_EVENT_KEY_DOWNLOAD_START, NULL, NULL);
>> +		event.type = ALPM_EVENT_KEY_DOWNLOAD_START;
>> +		EVENT(handle, &event);
>>  		int fail = 0;
>>  		alpm_list_t *k;
>>  		for(k = errors; k; k = k->next) {
>> @@ -1045,7 +1067,8 @@ static int check_keyring(alpm_handle_t *handle)
>>  				fail = 1;
>>  			}
>>  		}
>> -		EVENT(handle, ALPM_EVENT_KEY_DOWNLOAD_DONE, NULL, NULL);
>> +		event.type = ALPM_EVENT_KEY_DOWNLOAD_DONE;
>> +		EVENT(handle, &event);
>>  		if(fail) {
>>  			_alpm_log(handle, ALPM_LOG_ERROR, _("required key missing from keyring\n"));
>>  			return -1;
>> @@ -1070,9 +1093,11 @@ static int check_validity(alpm_handle_t *handle,
>>  	size_t current = 0;
>>  	uint64_t current_bytes = 0;
>>  	alpm_list_t *i, *errors = NULL;
>> +	alpm_event_t event;
>>  
>>  	/* Check integrity of packages */
>> -	EVENT(handle, ALPM_EVENT_INTEGRITY_START, NULL, NULL);
>> +	event.type = ALPM_EVENT_INTEGRITY_START;
>> +	EVENT(handle, &event);
>>  
>>  	for(i = handle->trans->add; i; i = i->next, current++) {
>>  		struct validity v = { i->data, NULL, NULL, 0, 0, 0 };
>> @@ -1104,7 +1129,8 @@ static int check_validity(alpm_handle_t *handle,
>>  
>>  	PROGRESS(handle, ALPM_PROGRESS_INTEGRITY_START, "", 100,
>>  			total, current);
>> -	EVENT(handle, ALPM_EVENT_INTEGRITY_DONE, NULL, NULL);
>> +	event.type = ALPM_EVENT_INTEGRITY_DONE;
>> +	EVENT(handle, &event);
>>  
>>  	if(errors) {
>>  		for(i = errors; i; i = i->next) {
>> @@ -1143,9 +1169,11 @@ static int load_packages(alpm_handle_t *handle, alpm_list_t **data,
>>  	size_t current = 0, current_bytes = 0;
>>  	int errors = 0;
>>  	alpm_list_t *i;
>> +	alpm_event_t event;
>>  
>>  	/* load packages from disk now that they are known-valid */
>> -	EVENT(handle, ALPM_EVENT_LOAD_START, NULL, NULL);
>> +	event.type = ALPM_EVENT_LOAD_START;
>> +	EVENT(handle, &event);
>>  
>>  	for(i = handle->trans->add; i; i = i->next, current++) {
>>  		alpm_pkg_t *spkg = i->data;
>> @@ -1186,7 +1214,8 @@ static int load_packages(alpm_handle_t *handle, alpm_list_t **data,
>>  
>>  	PROGRESS(handle, ALPM_PROGRESS_LOAD_START, "", 100,
>>  			total, current);
>> -	EVENT(handle, ALPM_EVENT_LOAD_DONE, NULL, NULL);
>> +	event.type = ALPM_EVENT_LOAD_DONE;
>> +	EVENT(handle, &event);
>>  
>>  	if(errors) {
>>  		if(!handle->pm_errno) {
>> @@ -1204,6 +1233,7 @@ int _alpm_sync_commit(alpm_handle_t *handle, alpm_list_t **data)
>>  	size_t total = 0;
>>  	uint64_t total_bytes = 0;
>>  	alpm_trans_t *trans = handle->trans;
>> +	alpm_event_t event;
>>  
>>  	if(download_files(handle, &deltas)) {
>>  		alpm_list_free(deltas);
>> @@ -1262,7 +1292,8 @@ int _alpm_sync_commit(alpm_handle_t *handle, alpm_list_t **data)
>>  
>>  	/* fileconflict check */
>>  	if(!(trans->flags & ALPM_TRANS_FLAG_DBONLY)) {
>> -		EVENT(handle, ALPM_EVENT_FILECONFLICTS_START, NULL, NULL);
>> +		event.type = ALPM_EVENT_FILECONFLICTS_START;
>> +		EVENT(handle, &event);
>>  
>>  		_alpm_log(handle, ALPM_LOG_DEBUG, "looking for file conflicts\n");
>>  		alpm_list_t *conflict = _alpm_db_find_fileconflicts(handle,
>> @@ -1277,12 +1308,14 @@ int _alpm_sync_commit(alpm_handle_t *handle, alpm_list_t **data)
>>  			RET_ERR(handle, ALPM_ERR_FILE_CONFLICTS, -1);
>>  		}
>>  
>> -		EVENT(handle, ALPM_EVENT_FILECONFLICTS_DONE, NULL, NULL);
>> +		event.type = ALPM_EVENT_FILECONFLICTS_DONE;
>> +		EVENT(handle, &event);
>>  	}
>>  
>>  	/* check available disk space */
>>  	if(handle->checkspace && !(trans->flags & ALPM_TRANS_FLAG_DBONLY)) {
>> -		EVENT(handle, ALPM_EVENT_DISKSPACE_START, NULL, NULL);
>> +		event.type = ALPM_EVENT_DISKSPACE_START;
>> +		EVENT(handle, &event);
>>  
>>  		_alpm_log(handle, ALPM_LOG_DEBUG, "checking available disk space\n");
>>  		if(_alpm_check_diskspace(handle) == -1) {
>> @@ -1290,7 +1323,8 @@ int _alpm_sync_commit(alpm_handle_t *handle, alpm_list_t **data)
>>  			return -1;
>>  		}
>>  
>> -		EVENT(handle, ALPM_EVENT_DISKSPACE_DONE, NULL, NULL);
>> +		event.type = ALPM_EVENT_DISKSPACE_DONE;
>> +		EVENT(handle, &event);
>>  	}
>>  
>>  	/* remove conflicting and to-be-replaced packages */
>> diff --git a/lib/libalpm/util.c b/lib/libalpm/util.c
>> index f9fdb01..4a9ea75 100644
>> --- a/lib/libalpm/util.c
>> +++ b/lib/libalpm/util.c
>> @@ -571,10 +571,14 @@ int _alpm_run_chroot(alpm_handle_t *handle, const char *cmd, char *const argv[])
>>  		} else {
>>  			while(!feof(pipe_file)) {
>>  				char line[PATH_MAX];
>> +				alpm_event_scriptlet_info_t event = {
>> +					.type = ALPM_EVENT_SCRIPTLET_INFO,
>> +					.line = line
>> +				};
>>  				if(fgets(line, PATH_MAX, pipe_file) == NULL)
>>  					break;
>>  				alpm_logaction(handle, "ALPM-SCRIPTLET", "%s", line);
>> -				EVENT(handle, ALPM_EVENT_SCRIPTLET_INFO, line, NULL);
>> +				EVENT(handle, &event);
>>  			}
>>  			fclose(pipe_file);
>>  		}
>> diff --git a/src/pacman/callback.c b/src/pacman/callback.c
>> index e80a071..040c2bd 100644
>> --- a/src/pacman/callback.c
>> +++ b/src/pacman/callback.c
>> @@ -149,12 +149,12 @@ static void fill_progress(const int bar_percent, const int disp_percent,
>>  }
>>  
>>  /* callback to handle messages/notifications from libalpm transactions */
>> -void cb_event(alpm_event_t event, void *data1, void *data2)
>> +void cb_event(alpm_event_t *event)
>>  {
>>  	if(config->print) {
>>  		return;
>>  	}
>> -	switch(event) {
>> +	switch(event->type) {
>>  		case ALPM_EVENT_CHECKDEPS_START:
>>  			printf(_("checking dependencies...\n"));
>>  			break;
>> @@ -169,38 +169,43 @@ void cb_event(alpm_event_t event, void *data1, void *data2)
>>  		case ALPM_EVENT_INTERCONFLICTS_START:
>>  			printf(_("looking for conflicting packages...\n"));
>>  			break;
>> -		case ALPM_EVENT_ADD_START:
>> -			if(config->noprogressbar) {
>> -				printf(_("installing %s...\n"), alpm_pkg_get_name(data1));
>> -			}
>> -			break;
>> -		case ALPM_EVENT_ADD_DONE:
>> -			display_optdepends(data1);
>> -			break;
>> -		case ALPM_EVENT_REMOVE_START:
>> +		case ALPM_EVENT_UPDATE_START:
>>  			if(config->noprogressbar) {
>> -			printf(_("removing %s...\n"), alpm_pkg_get_name(data1));
>> -			}
>> -			break;
>> -		case ALPM_EVENT_UPGRADE_START:
>> -			if(config->noprogressbar) {
>> -				printf(_("upgrading %s...\n"), alpm_pkg_get_name(data1));
>> -			}
>> -			break;
>> -		case ALPM_EVENT_UPGRADE_DONE:
>> -			display_new_optdepends(data2, data1);
>> -			break;
>> -		case ALPM_EVENT_DOWNGRADE_START:
>> -			if(config->noprogressbar) {
>> -				printf(_("downgrading %s...\n"), alpm_pkg_get_name(data1));
>> +				alpm_event_update_t *e = (alpm_event_update_t *) event;
>> +				switch(e->operation) {
>> +					case ALPM_OPERATION_INSTALL:
>> +						printf(_("installing %s...\n"), alpm_pkg_get_name(e->newpkg));
>> +						break;
>> +					case ALPM_OPERATION_UPGRADE:
>> +						printf(_("upgrading %s...\n"), alpm_pkg_get_name(e->newpkg));
>> +						break;
>> +					case ALPM_OPERATION_REINSTALL:
>> +						printf(_("reinstalling %s...\n"), alpm_pkg_get_name(e->newpkg));
>> +						break;
>> +					case ALPM_OPERATION_DOWNGRADE:
>> +						printf(_("downgrading %s...\n"), alpm_pkg_get_name(e->newpkg));
>> +						break;
>> +					case ALPM_OPERATION_REMOVE:
>> +						printf(_("removing %s...\n"), alpm_pkg_get_name(e->oldpkg));
>> +						break;
>> +				}
>>  			}
>>  			break;
>> -		case ALPM_EVENT_DOWNGRADE_DONE:
>> -			display_new_optdepends(data2, data1);
>> -			break;
>> -		case ALPM_EVENT_REINSTALL_START:
>> -			if(config->noprogressbar) {
>> -				printf(_("reinstalling %s...\n"), alpm_pkg_get_name(data1));
>> +		case ALPM_EVENT_UPDATE_DONE:
>> +			{
>> +				alpm_event_update_t *e = (alpm_event_update_t *) event;
>> +				switch(e->operation) {
>> +					case ALPM_OPERATION_INSTALL:
>> +						display_optdepends(e->newpkg);
>> +						break;
>> +					case ALPM_OPERATION_UPGRADE:
>> +					case ALPM_OPERATION_DOWNGRADE:
>> +						display_new_optdepends(e->oldpkg, e->newpkg);
>> +						break;
>> +					case ALPM_OPERATION_REINSTALL:
>> +					case ALPM_OPERATION_REMOVE:
>> +						break;
>> +				}
>>  			}
>>  			break;
>>  		case ALPM_EVENT_INTEGRITY_START:
>> @@ -228,7 +233,10 @@ void cb_event(alpm_event_t event, void *data1, void *data2)
>>  			printf(_("applying deltas...\n"));
>>  			break;
>>  		case ALPM_EVENT_DELTA_PATCH_START:
>> -			printf(_("generating %s with %s... "), (char *)data1, (char *)data2);
>> +			{
>> +				alpm_event_delta_patch_t *e = (alpm_event_delta_patch_t *) event;
>> +			  printf(_("generating %s with %s... "), e->pkg_filename, e->patch_filename);
>> +			}
>>  			break;
>>  		case ALPM_EVENT_DELTA_PATCH_DONE:
>>  			printf(_("success!\n"));
>> @@ -237,7 +245,7 @@ void cb_event(alpm_event_t event, void *data1, void *data2)
>>  			printf(_("failed.\n"));
>>  			break;
>>  		case ALPM_EVENT_SCRIPTLET_INFO:
>> -			fputs((const char *)data1, stdout);
>> +			fputs(((alpm_event_scriptlet_info_t *) event)->line, stdout);
>>  			break;
>>  		case ALPM_EVENT_RETRIEVE_START:
>>  			colon_printf(_("Retrieving packages ...\n"));
>> @@ -248,18 +256,21 @@ void cb_event(alpm_event_t event, void *data1, void *data2)
>>  			}
>>  			break;
>>  		case ALPM_EVENT_OPTDEP_REMOVED:
>> -			colon_printf(_("%s optionally requires %s\n"), alpm_pkg_get_name(data1),
>> -				alpm_dep_compute_string(data2));
>> +			{
>> +				alpm_event_optdep_removed_t *e = (alpm_event_optdep_removed_t *) event;
>> +				colon_printf(_("%s optionally requires %s\n"),
>> +						alpm_pkg_get_name(e->pkg),
>> +						alpm_dep_compute_string(e->optdep));
>> +			}
>>  			break;
>>  		case ALPM_EVENT_DATABASE_MISSING:
>>  			if(!config->op_s_sync) {
>>  				pm_printf(ALPM_LOG_WARNING,
>> -					"database file for '%s' does not exist\n", (char *)data1);
>> +					"database file for '%s' does not exist\n",
>> +					((alpm_event_database_missing_t *) event)->dbname);
>>  			}
>>  			break;
>>  		/* all the simple done events, with fallthrough for each */
>> -		case ALPM_EVENT_REINSTALL_DONE:
>> -		case ALPM_EVENT_REMOVE_DONE:
>>  		case ALPM_EVENT_FILECONFLICTS_DONE:
>>  		case ALPM_EVENT_CHECKDEPS_DONE:
>>  		case ALPM_EVENT_RESOLVEDEPS_DONE:
>> diff --git a/src/pacman/callback.h b/src/pacman/callback.h
>> index a291fc7..b19b952 100644
>> --- a/src/pacman/callback.h
>> +++ b/src/pacman/callback.h
>> @@ -25,7 +25,7 @@
>>  #include <alpm.h>
>>  
>>  /* callback to handle messages/notifications from libalpm */
>> -void cb_event(alpm_event_t event, void *data1, void *data2);
>> +void cb_event(alpm_event_t *event);
>>  
>>  /* callback to handle questions from libalpm (yes/no) */
>>  void cb_question(alpm_question_t event, void *data1, void *data2,
>>
> 
> 



More information about the pacman-dev mailing list