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-rw-r--r--lib/libalpm/alpm.c26
-rw-r--r--lib/libalpm/alpm.h3
-rw-r--r--lib/libalpm/db.c78
-rw-r--r--lib/libalpm/db.h4
-rw-r--r--src/pacman/download.c87
-rw-r--r--src/pacman/download.h3
-rw-r--r--src/pacman/log.c5
-rw-r--r--src/pacman/sync.c59
8 files changed, 205 insertions, 60 deletions
diff --git a/lib/libalpm/alpm.c b/lib/libalpm/alpm.c
index 94c8d2dc..93ac2fad 100644
--- a/lib/libalpm/alpm.c
+++ b/lib/libalpm/alpm.c
@@ -205,17 +205,31 @@ int alpm_db_unregister(PM_DB *db)
return(0);
}
-int alpm_db_update(char *treename, char *archive)
+int alpm_db_getlastupdate(PM_DB *db, char *ts)
{
/* Sanity checks */
- ASSERT(handle != NULL, return(-1));
- ASSERT(treename != NULL && strlen(treename) != 0, RET_ERR(PM_ERR_WRONG_ARGS, -1));
+ ASSERT(handle != NULL, RET_ERR(PM_ERR_HANDLE_NULL, -1));
+ ASSERT(db != NULL, RET_ERR(PM_ERR_WRONG_ARGS, -1));
+
+ return(db_getlastupdate(db, handle->root, handle->dbpath, ts));
+}
+
+int alpm_db_update(PM_DB *db, char *archive, char *ts)
+{
+ /* Sanity checks */
+ ASSERT(handle != NULL, RET_ERR(PM_ERR_HANDLE_NULL, -1));
+ ASSERT(db != NULL, RET_ERR(PM_ERR_WRONG_ARGS, -1));
+
+ /* ORE
+ Does it make sense to update the 'local' database, or should we prevent it? */
+
+ /* ORE
+ check if the database is registered: if not, return an error */
/* ORE
- Does it make sense to update the 'local' database, or should we prevent it?
- stat(archive); */
+ stat() the archive to check it exists */
- return(db_update(handle->root, handle->dbpath, treename, archive));
+ return(db_update(db, handle->root, handle->dbpath, archive, ts));
}
PM_PKG *alpm_db_readpkg(PM_DB *db, char *name)
diff --git a/lib/libalpm/alpm.h b/lib/libalpm/alpm.h
index 8eb1ece0..6b69b3b0 100644
--- a/lib/libalpm/alpm.h
+++ b/lib/libalpm/alpm.h
@@ -98,7 +98,8 @@ int alpm_get_option(unsigned char parm, long *data);
int alpm_db_register(char *treename, PM_DB **db);
int alpm_db_unregister(PM_DB *db);
-int alpm_db_update(char *treename, char *archive);
+int alpm_db_getlastupdate(PM_DB *db, char *ts);
+int alpm_db_update(PM_DB *db, char *archive, char *ts);
PM_PKG *alpm_db_readpkg(PM_DB *db, char *name);
PM_LIST *alpm_db_getpkgcache(PM_DB *db);
diff --git a/lib/libalpm/db.c b/lib/libalpm/db.c
index c555f256..7768b8a5 100644
--- a/lib/libalpm/db.c
+++ b/lib/libalpm/db.c
@@ -97,34 +97,92 @@ int db_create(char *root, char *dbpath, char *treename)
return(0);
}
-int db_update(char *root, char *dbpath, char *treename, char *archive)
+/* reads dbpath/.lastupdate and populates *ts with the contents.
+ * *ts should be malloc'ed and should be at least 15 bytes.
+ *
+ * Returns 0 on success, 1 on error
+ *
+ */
+int db_getlastupdate(pmdb_t *db, char *root, char *dbpath, char *ts)
+{
+ FILE *fp;
+ char path[PATH_MAX];
+
+ if(db == NULL) {
+ return(-1);
+ }
+
+ /* get the last update time, if it's there */
+ snprintf(path, PATH_MAX, "%s%s/%s/.lastupdate", root, dbpath, db->treename);
+ if((fp = fopen(path, "r")) == NULL) {
+ return(-1);
+ } else {
+ char line[256];
+ if(fgets(line, sizeof(line), fp)) {
+ strncpy(ts, line, 15); /* YYYYMMDDHHMMSS */
+ ts[14] = '\0';
+ } else {
+ fclose(fp);
+ return(-1);
+ }
+ }
+ fclose(fp);
+ return(0);
+}
+
+int db_update(pmdb_t *db, char *root, char *dbpath, char *archive, char *ts)
{
- char ldir[PATH_MAX];
+ char path[PATH_MAX];
+
+ if(db == NULL) {
+ return(-1);
+ }
+
+ snprintf(path, PATH_MAX, "%s%s/%s", root, dbpath, db->treename);
+
+ /* ORE
+ if(ts && strlen(ts)) {
+ Should we refuse to update the db if it is already uptodate?
+ if(ts != db_getlastupdate(db)) {
+ RET_ERR(PM_ERR_DB_UPTODATE, -1);
+ }
+ }*/
- snprintf(ldir, PATH_MAX, "%s%s/%s", root, dbpath, treename);
/* remove the old dir */
/* ORE - do we want to include alpm.h and use the log mechanism from db.c?
- _alpm_log(PM_LOG_FLOW2, "removing %s (if it exists)\n", ldir);*/
+ _alpm_log(PM_LOG_FLOW2, "removing %s (if it exists)\n", path);*/
/* ORE
We should only rmrf the database content, and not the top directory, in case
a (DIR *) structure is associated with it (i.e a call to db_open). */
- _alpm_rmrf(ldir);
+ _alpm_rmrf(path);
/* make the new dir */
- if(db_create(root, dbpath, treename) != 0) {
+ if(db_create(root, dbpath, db->treename) != 0) {
return(-1);
}
/* uncompress the sync database */
/* ORE
_alpm_log(PM_LOG_FLOW2, "Unpacking %s...\n", archive);*/
- if(_alpm_unpack(archive, ldir, NULL)) {
+ if(_alpm_unpack(archive, path, NULL)) {
return(-1);
}
- /* ORE
- Should we let the the library manage updates only if needed?
- Create a .lastupdate file in ldir? Ask for a timestamp as db_update argument? */
+ /* writes the db->path/.lastupdate with the contents of *ts */
+ if(ts && strlen(ts)) {
+ FILE *fp;
+ char file[PATH_MAX];
+
+ snprintf(file, PATH_MAX, "%s/.lastupdate", path);
+ if((fp = fopen(file, "w")) == NULL) {
+ return(-1);
+ }
+ if(fputs(ts, fp) <= 0) {
+ fclose(fp);
+ return(-1);
+ }
+ fclose(fp);
+ }
return(0);
}
diff --git a/lib/libalpm/db.h b/lib/libalpm/db.h
index 07fa1ef2..e2cd8aa9 100644
--- a/lib/libalpm/db.h
+++ b/lib/libalpm/db.h
@@ -48,7 +48,9 @@ typedef struct __pmdb_t {
pmdb_t *db_open(char *root, char *dbpath, char *treename);
void db_close(pmdb_t *db);
int db_create(char *root, char *dbpath, char *treename);
-int db_update(char *root, char *dbpath, char *treename, char *archive);
+
+int db_getlastupdate(pmdb_t *db, char *root, char *dbpath, char *ts);
+int db_update(pmdb_t *db, char *root, char *dbpath, char *archive, char *ts);
void db_rewind(pmdb_t *db);
pmpkg_t *db_scan(pmdb_t *db, char *target, unsigned int inforeq);
diff --git a/src/pacman/download.c b/src/pacman/download.c
index f994cab4..7727473b 100644
--- a/src/pacman/download.c
+++ b/src/pacman/download.c
@@ -31,6 +31,7 @@
#include <alpm.h>
/* pacman */
+#include "util.h"
#include "log.h"
#include "list.h"
#include "download.h"
@@ -126,8 +127,37 @@ static int copyfile(char *src, char *dest)
return(0);
}
+/*
+ * Download a list of files from a list of servers
+ * - if one server fails, we try the next one in the list
+ *
+ * RETURN: 0 for successful download, 1 on error
+ */
int downloadfiles(list_t *servers, const char *localpath, list_t *files)
{
+ return(!!downloadfiles_forreal(servers, localpath, files, NULL, NULL));
+}
+
+/*
+ * This is the real downloadfiles, used directly by sync_synctree() to check
+ * modtimes on remote (ftp only) files.
+ * - if *mtime1 is non-NULL, then only download files
+ * if they are different than *mtime1. String should be in the form
+ * "YYYYMMDDHHMMSS" to match the form of ftplib's FtpModDate() function.
+ * - if *mtime2 is non-NULL, then it will be filled with the mtime
+ * of the remote FTP file (from MDTM).
+ *
+ * NOTE: the *mtime option only works for FTP repositories, and won't work
+ * if XferCommand is used. We only use it to check mtimes on the
+ * repo db files.
+ *
+ * RETURN: 0 for successful download
+ * -1 if the mtimes are identical
+ * 1 on error
+ */
+int downloadfiles_forreal(list_t *servers, const char *localpath,
+ list_t *files, const char *mtime1, char *mtime2)
+{
int fsz;
netbuf *control = NULL;
list_t *lp;
@@ -145,7 +175,7 @@ int downloadfiles(list_t *servers, const char *localpath, list_t *files)
if(!pmo_xfercommand && strcmp(server->protocol, "file")) {
if(!strcmp(server->protocol, "ftp") && !pmo_proxyhost) {
FtpInit();
- vprint("Connecting to %s:21\n", server->server);
+ vprint("connecting to %s:21\n", server->server);
if(!FtpConnect(server->server, &control)) {
fprintf(stderr, "error: cannot connect to %s\n", server->server);
continue;
@@ -174,9 +204,9 @@ int downloadfiles(list_t *servers, const char *localpath, list_t *files)
host = (pmo_proxyhost) ? pmo_proxyhost : server->server;
port = (pmo_proxyhost) ? pmo_proxyport : 80;
if(strchr(host, ':')) {
- vprint("Connecting to %s\n", host);
+ vprint("connecting to %s\n", host);
} else {
- vprint("Connecting to %s:%u\n", host, port);
+ vprint("connecting to %s:%u\n", host, port);
}
if(!HttpConnect(host, port, &control)) {
fprintf(stderr, "error: cannot connect to %s\n", host);
@@ -296,21 +326,42 @@ int downloadfiles(list_t *servers, const char *localpath, list_t *files)
if(!FtpSize(fn, &fsz, FTPLIB_IMAGE, control)) {
fprintf(stderr, "warning: failed to get filesize for %s\n", fn);
}
- if(!stat(output, &st)) {
- offset = (int)st.st_size;
- if(!FtpRestart(offset, control)) {
- fprintf(stderr, "warning: failed to resume download -- restarting\n");
- /* can't resume: */
- /* unlink the file in order to restart download from scratch */
- unlink(output);
+ /* check mtimes */
+ if(mtime1 || mtime2) {
+ char fmtime[64];
+ if(!FtpModDate(fn, fmtime, sizeof(fmtime)-1, control)) {
+ fprintf(stderr, "warning: failed to get mtime for %s\n", fn);
+ } else {
+ strtrim(fmtime);
+ if(mtime1 && !strcmp(mtime1, fmtime)) {
+ /* mtimes are identical, skip this file */
+ vprint("mtimes are identical, skipping %s\n", fn);
+ filedone = -1;
+ complete = list_add(complete, fn);
+ }
+ if(mtime2) {
+ strncpy(mtime2, fmtime, 15); /* YYYYMMDDHHMMSS (=14b) */
+ mtime2[14] = '\0';
+ }
}
}
- if(!FtpGet(output, fn, FTPLIB_IMAGE, control)) {
- fprintf(stderr, "\nfailed downloading %s from %s: %s\n",
- fn, server->server, FtpLastResponse(control));
- /* we leave the partially downloaded file in place so it can be resumed later */
- } else {
- filedone = 1;
+ if(!filedone) {
+ if(!stat(output, &st)) {
+ offset = (int)st.st_size;
+ if(!FtpRestart(offset, control)) {
+ fprintf(stderr, "warning: failed to resume download -- restarting\n");
+ /* can't resume: */
+ /* unlink the file in order to restart download from scratch */
+ unlink(output);
+ }
+ }
+ if(!FtpGet(output, fn, FTPLIB_IMAGE, control)) {
+ fprintf(stderr, "\nfailed downloading %s from %s: %s\n",
+ fn, server->server, FtpLastResponse(control));
+ /* we leave the partially downloaded file in place so it can be resumed later */
+ } else {
+ filedone = 1;
+ }
}
} else if(!strcmp(server->protocol, "http") || (pmo_proxyhost && strcmp(server->protocol, "file"))) {
char src[PATH_MAX];
@@ -367,7 +418,7 @@ int downloadfiles(list_t *servers, const char *localpath, list_t *files)
}
}
- if(filedone) {
+ if(filedone > 0) {
char completefile[PATH_MAX];
if(!strcmp(server->protocol, "file")) {
char out[56];
@@ -385,6 +436,8 @@ int downloadfiles(list_t *servers, const char *localpath, list_t *files)
/* rename "output.part" file to "output" file */
snprintf(completefile, PATH_MAX, "%s/%s", localpath, fn);
rename(output, completefile);
+ } else if(filedone < 0) {
+ return(-1);
}
printf("\n");
fflush(stdout);
diff --git a/src/pacman/download.h b/src/pacman/download.h
index 22ecf574..a8278475 100644
--- a/src/pacman/download.h
+++ b/src/pacman/download.h
@@ -31,6 +31,9 @@ typedef struct __server_t {
} server_t;
int downloadfiles(list_t *servers, const char *localpath, list_t *files);
+int downloadfiles_forreal(list_t *servers, const char *localpath,
+ list_t *files, const char *mtime1, char *mtime2);
+
char *fetch_pkgurl(char *target);
#endif /* _PM_DOWNLOAD_H */
diff --git a/src/pacman/log.c b/src/pacman/log.c
index c0bb62b6..b5ab2400 100644
--- a/src/pacman/log.c
+++ b/src/pacman/log.c
@@ -107,7 +107,10 @@ void vprint(char *fmt, ...)
neednl = 0;
}
va_start(args, fmt);
- pm_fprintf(stdout, NL, fmt, args);
+ /* ORE
+ commented for now: it produces corruption
+ pm_fprintf(stdout, NL, fmt, args); */
+ vprintf(fmt, args);
va_end(args);
}
}
diff --git a/src/pacman/sync.c b/src/pacman/sync.c
index 86ede1cd..581d07e5 100644
--- a/src/pacman/sync.c
+++ b/src/pacman/sync.c
@@ -159,43 +159,54 @@ static int sync_cleancache(int level)
static int sync_synctree(list_t *syncs)
{
char *root, *dbpath;
+ char path[PATH_MAX];
list_t *i;
- int ret = 0;
+ int success = 0, ret;
alpm_get_option(PM_OPT_ROOT, (long *)&root);
alpm_get_option(PM_OPT_DBPATH, (long *)&dbpath);
for(i = syncs; i; i = i->next) {
- char path[PATH_MAX];
list_t *files = NULL;
+ char *mtime = NULL;
+ char newmtime[16] = "";
+ char lastupdate[16] = "";
sync_t *sync = (sync_t *)i->data;
+ /* get the lastupdate time */
+ snprintf(path, PATH_MAX, "%s/%s", path, sync->treename);
+ if(alpm_db_getlastupdate(sync->db, lastupdate) == -1) {
+ vprint("failed to get lastupdate time for %s (no big deal)\n", sync->treename);
+ }
+ mtime = lastupdate;
+
/* build a one-element list */
snprintf(path, PATH_MAX, "%s"PM_EXT_DB, sync->treename);
files = list_add(files, strdup(path));
snprintf(path, PATH_MAX, "%s%s", root, dbpath);
- if(downloadfiles(sync->servers, path, files)) {
- fprintf(stderr, "failed to synchronize %s\n", sync->treename);
- FREELIST(files);
- ret--;
- continue;
- }
-
+ ret = downloadfiles_forreal(sync->servers, path, files, mtime, newmtime);
+ vprint("sync: new mtime for %s: %s\n", sync->treename, newmtime);
FREELIST(files);
-
- snprintf(path, PATH_MAX, "%s%s/%s"PM_EXT_DB, root, dbpath, sync->treename);
- if(alpm_db_update(sync->treename, path) == -1) {
- fprintf(stderr, "error: %s\n", alpm_strerror(pm_errno));
- ret--;
+ if(ret > 0) {
+ fprintf(stderr, "failed to synchronize %s\n", sync->treename);
+ success--;
+ } else if(ret < 0) {
+ printf(":: %s is up to date\n", sync->treename);
+ } else {
+ snprintf(path, PATH_MAX, "%s%s/%s"PM_EXT_DB, root, dbpath, sync->treename);
+ if(alpm_db_update(sync->db, path, newmtime) == -1) {
+ fprintf(stderr, "error: failed to set database timestamp (%s)\n", alpm_strerror(pm_errno));
+ success--;
+ }
+ /* remove the .tar.gz */
+ unlink(path);
}
- /* remove the .tar.gz */
- unlink(path);
}
- return(ret);
+ return(success);
}
static int sync_search(list_t *syncs, list_t *targets)
@@ -375,13 +386,6 @@ int pacman_sync(list_t *targets)
return(sync_cleancache(pmo_s_clean));
}
- if(pmo_s_sync) {
- /* grab a fresh package list */
- MSG(NL, ":: Synchronizing package databases...\n");
- alpm_logaction("synchronizing package lists");
- sync_synctree(pmc_syncs);
- }
-
/* open the database(s) */
for(i = pmc_syncs; i; i = i->next) {
sync_t *sync = i->data;
@@ -391,6 +395,13 @@ int pacman_sync(list_t *targets)
}
}
+ if(pmo_s_sync) {
+ /* grab a fresh package list */
+ MSG(NL, ":: Synchronizing package databases...\n");
+ alpm_logaction("synchronizing package lists");
+ sync_synctree(pmc_syncs);
+ }
+
if(pmo_s_search) {
return(sync_search(pmc_syncs, targets));
}

Copyright © 2002-2022 Judd Vinet and Aaron Griffin. Copyright © 2022 Erich Eckner.
The Arch Linux name and logo are recognized trademarks. Some rights reserved. The registered trademark Linux® is used pursuant to a sublicense from LMI, the exclusive licensee of Linus Torvalds, owner of the mark on a world-wide basis.