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replaced transaction 'packages' field by 2 queues: one for packages to be installed and the other for the ones to be removed

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This commit is contained in:
Aurelien Foret 2005-04-06 18:25:33 +00:00
parent 08b34b8aef
commit 04e054f3cb
4 changed files with 43 additions and 26 deletions
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18
lib/libalpm/add.c
View File

@ -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,

25
lib/libalpm/remove.c
View File

@ -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;

23
lib/libalpm/trans.c
View File

@ -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:

3
lib/libalpm/trans.h
View File

@ -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;