From 04e054f3cbc9ddda9d99e4891055ae2743b3b8ff Mon Sep 17 00:00:00 2001 From: Aurelien Foret Date: Wed, 6 Apr 2005 18:25:33 +0000 Subject: replaced transaction 'packages' field by 2 queues: one for packages to be installed and the other for the ones to be removed --- lib/libalpm/add.c | 18 +++++++++--------- lib/libalpm/remove.c | 25 ++++++++++++++----------- lib/libalpm/trans.c | 23 ++++++++++++++++++----- lib/libalpm/trans.h | 3 ++- 4 files changed, 43 insertions(+), 26 deletions(-) (limited to 'lib/libalpm') diff --git a/lib/libalpm/add.c b/lib/libalpm/add.c index 07b16dec..cb11a871 100644 --- a/lib/libalpm/add.c +++ b/lib/libalpm/add.c @@ -93,7 +93,7 @@ int add_loadtarget(pmdb_t *db, pmtrans_t *trans, char *name) * if so, replace it in the list */ /* ORE we'd better do it before load_pkg. */ - for(j = trans->packages; j; j = j->next) { + for(j = trans->install_q; j; j = j->next) { pmpkg_t *pkg = j->data; if(strcmp(pkg->name, info->name) == 0) { @@ -107,7 +107,7 @@ int add_loadtarget(pmdb_t *db, pmtrans_t *trans, char *name) } /* add the package to the transaction */ - trans->packages = pm_list_add(trans->packages, info); + trans->install_q = pm_list_add(trans->install_q, info); return(0); @@ -138,7 +138,7 @@ int add_prepare(pmdb_t *db, pmtrans_t *trans, PMList **data) TRANS_CB(trans, PM_TRANS_EVT_CHECKDEPS_START, NULL, NULL); _alpm_log(PM_LOG_FLOW1, "looking for conflicts or unsatisfied dependencies"); - lp = checkdeps(db, trans->type, trans->packages); + lp = checkdeps(db, trans->type, trans->install_q); if(lp != NULL) { int errorout = 0; @@ -187,10 +187,10 @@ int add_prepare(pmdb_t *db, pmtrans_t *trans, PMList **data) /* re-order w.r.t. dependencies */ _alpm_log(PM_LOG_FLOW1, "sorting by dependencies"); - lp = sortbydeps(trans->packages, PM_TRANS_TYPE_ADD); + lp = sortbydeps(trans->install_q, PM_TRANS_TYPE_ADD); /* free the old alltargs */ - FREELISTPTR(trans->packages); - trans->packages = lp; + FREELISTPTR(trans->install_q); + trans->install_q = lp; TRANS_CB(trans, PM_TRANS_EVT_CHECKDEPS_DONE, NULL, NULL); } @@ -201,7 +201,7 @@ int add_prepare(pmdb_t *db, pmtrans_t *trans, PMList **data) TRANS_CB(trans, PM_TRANS_EVT_FILECONFLICTS_START, NULL, NULL); _alpm_log(PM_LOG_FLOW1, "looking for file conflicts"); - lp = db_find_conflicts(db, trans->packages, handle->root); + lp = db_find_conflicts(db, trans->install_q, handle->root); if(lp != NULL) { *data = lp; RET_ERR(PM_ERR_FILE_CONFLICTS, -1); @@ -225,11 +225,11 @@ int add_commit(pmdb_t *db, pmtrans_t *trans) ASSERT(db != NULL, RET_ERR(PM_ERR_DB_NULL, -1)); ASSERT(trans != NULL, RET_ERR(PM_ERR_TRANS_NULL, -1)); - if(trans->packages == NULL) { + if(trans->install_q == NULL) { return(0); } - for(targ = trans->packages; targ; targ = targ->next) { + for(targ = trans->install_q; targ; targ = targ->next) { tartype_t gztype = { (openfunc_t)_alpm_gzopen_frontend, (closefunc_t)gzclose, diff --git a/lib/libalpm/remove.c b/lib/libalpm/remove.c index acff25fc..4ac99220 100644 --- a/lib/libalpm/remove.c +++ b/lib/libalpm/remove.c @@ -53,11 +53,14 @@ int remove_loadtarget(pmdb_t *db, pmtrans_t *trans, char *name) ASSERT(trans != NULL, RET_ERR(PM_ERR_TRANS_NULL, -1)); ASSERT(name != NULL, RET_ERR(PM_ERR_WRONG_ARGS, -1)); + /* ORE + we should better find the package in the cache, and then perform a + db_read(INFRQ_FILES) to add files information to it. */ if((info = db_scan(db, name, INFRQ_ALL)) == NULL) { _alpm_log(PM_LOG_ERROR, "could not find %s in database", name); RET_ERR(PM_ERR_PKG_NOT_FOUND, -1); } - trans->packages = pm_list_add(trans->packages, info); + trans->remove_q = pm_list_add(trans->remove_q, info); return(0); } @@ -74,20 +77,20 @@ int remove_prepare(pmdb_t *db, pmtrans_t *trans, PMList **data) if(!(trans->flags & (PM_TRANS_FLAG_NODEPS)) && (trans->type != PM_TRANS_TYPE_UPGRADE)) { TRANS_CB(trans, PM_TRANS_EVT_CHECKDEPS_START, NULL, NULL); - _alpm_log(PM_LOG_FLOW1, "looking for conflicts or unsatisfied dependencies"); - if((lp = checkdeps(db, trans->type, trans->packages)) != NULL) { + _alpm_log(PM_LOG_FLOW1, "looking for unsatisfied dependencies"); + if((lp = checkdeps(db, trans->type, trans->remove_q)) != NULL) { if(trans->flags & PM_TRANS_FLAG_CASCADE) { while(lp) { PMList *j; for(j = lp; j; j = j->next) { pmdepmissing_t* miss = (pmdepmissing_t*)j->data; info = db_scan(db, miss->depend.name, INFRQ_ALL); - if(!pkg_isin(info, trans->packages)) { - trans->packages = pm_list_add(trans->packages, info); + if(!pkg_isin(info, trans->remove_q)) { + trans->remove_q = pm_list_add(trans->remove_q, info); } } FREELIST(lp); - lp = checkdeps(db, trans->type, trans->packages); + lp = checkdeps(db, trans->type, trans->remove_q); } } else { *data = lp; @@ -97,15 +100,15 @@ int remove_prepare(pmdb_t *db, pmtrans_t *trans, PMList **data) if(trans->flags & PM_TRANS_FLAG_RECURSE) { _alpm_log(PM_LOG_FLOW1, "finding removable dependencies"); - trans->packages = removedeps(db, trans->packages); + trans->remove_q = removedeps(db, trans->remove_q); } /* re-order w.r.t. dependencies */ _alpm_log(PM_LOG_FLOW1, "sorting by dependencies"); - lp = sortbydeps(trans->packages, PM_TRANS_TYPE_REMOVE); + lp = sortbydeps(trans->remove_q, PM_TRANS_TYPE_REMOVE); /* free the old alltargs */ - FREELISTPTR(trans->packages); - trans->packages = lp; + FREELISTPTR(trans->remove_q); + trans->remove_q = lp; TRANS_CB(trans, PM_TRANS_EVT_CHECKDEPS_DONE, NULL, NULL); } @@ -123,7 +126,7 @@ int remove_commit(pmdb_t *db, pmtrans_t *trans) ASSERT(db != NULL, RET_ERR(PM_ERR_DB_NULL, -1)); ASSERT(trans != NULL, RET_ERR(PM_ERR_TRANS_NULL, -1)); - for(targ = trans->packages; targ; targ = targ->next) { + for(targ = trans->remove_q; targ; targ = targ->next) { char pm_install[PATH_MAX]; info = (pmpkg_t*)targ->data; diff --git a/lib/libalpm/trans.c b/lib/libalpm/trans.c index 6e278cd7..af0c6b7d 100644 --- a/lib/libalpm/trans.c +++ b/lib/libalpm/trans.c @@ -45,7 +45,8 @@ pmtrans_t *trans_new() } trans->targets = NULL; - trans->packages = NULL; + trans->install_q = NULL; + trans->remove_q = NULL; trans->type = 0; trans->flags = 0; trans->cb = NULL; @@ -63,9 +64,17 @@ void trans_free(pmtrans_t *trans) FREELIST(trans->targets); /* ORE - ugly */ if(trans->type == PM_TRANS_TYPE_SYNC) { - FREELISTPTR(trans->packages); + PMList *i = trans->install_q; + while(i) { + PMList *j = i->next; + sync_free(i->data); + i->data = NULL; + pm_list_free(i); + i = j; + } } else { - FREELISTPKGS(trans->packages); + FREELISTPKGS(trans->install_q); + FREELISTPKGS(trans->remove_q); } free(trans); @@ -133,7 +142,9 @@ int trans_prepare(pmtrans_t *trans, PMList **data) /* Sanity checks */ ASSERT(trans != NULL, RET_ERR(PM_ERR_WRONG_ARGS, -1)); - ASSERT(trans->packages != NULL, return(0)); + if(trans->install_q == NULL && trans->remove_q == NULL) { + return(0); + } switch(trans->type) { case PM_TRANS_TYPE_ADD: @@ -168,7 +179,9 @@ int trans_commit(pmtrans_t *trans) ASSERT(trans != NULL, RET_ERR(PM_ERR_WRONG_ARGS, -1)); /* If there's nothing to do, return without complaining */ - ASSERT(trans->packages != NULL, return(0)); + if(trans->install_q == NULL && trans->remove_q == NULL) { + return(0); + } switch(trans->type) { case PM_TRANS_TYPE_ADD: diff --git a/lib/libalpm/trans.h b/lib/libalpm/trans.h index 98732fbf..74ea7e8c 100644 --- a/lib/libalpm/trans.h +++ b/lib/libalpm/trans.h @@ -35,7 +35,8 @@ typedef struct __pmtrans_t { unsigned char flags; unsigned char state; PMList *targets; /* PMList of (char *) */ - PMList *packages; /* PMList of (pmpkginfo_t *) */ + PMList *install_q; /* PMList of (pmpkginfo_t *) */ + PMList *remove_q; /* PMList of (pmpkginfo_t *) */ alpm_trans_cb cb; } pmtrans_t; -- cgit v1.2.3-70-g09d2