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Code Issues Releases Wiki Activity

Remove all traces of libfetch

Browse Source 
Signed-off-by: Dave Reisner <d@falconindy.com>
This commit is contained in:
Dave Reisner 2011-02-08 21:05:53 -05:00
parent 4ad4527d10
commit f2eac18a6e
5 changed files with 2 additions and 340 deletions
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24
configure.ac
View File

@ -93,11 +93,6 @@ AC_ARG_WITH(openssl,
AS_HELP_STRING([--with-openssl], [use OpenSSL crypto implementations instead of internal routines]),
[], [with_openssl=check])
# Help line for libfetch
AC_ARG_WITH(fetch,
AS_HELP_STRING([--with-fetch], [use libfetch as an internal downloader]),
[], [with_fetch=no])
# Help line for libcurl
AC_ARG_WITH(curl,
AS_HELP_STRING([--with-curl], [use libcurl as an internal downloader]),
@ -166,25 +161,6 @@ AS_IF([test "x$with_curl" != "xno"],
AC_MSG_RESULT(no))
AM_CONDITIONAL([HAVE_LIBCURL], [test "x$ac_cv_lib_curl_curl_easy_perform" = "xyes"])
# Enable or disable usage of libfetch
AC_MSG_CHECKING(whether to link with libfetch)
AS_IF([test "x$with_fetch" != "xno"],
[AC_MSG_RESULT(yes)
AC_CHECK_LIB([fetch], [fetchParseURL], ,
[if test "x$with_fetch" != "xcheck"; then
AC_MSG_FAILURE([--with-fetch was given, but -lfetch was not found])
fi],
[-lcrypto -ldl])
# Check if libfetch supports connnection caching which we use
AS_IF([test "x$ac_cv_lib_fetch_fetchParseURL" = "xyes"],
[AC_CHECK_DECL(fetchConnectionCacheInit, ,
AC_MSG_ERROR([libfetch must be version 2.28 or greater]),
[#include <fetch.h>])
])
],
AC_MSG_RESULT(no))
AM_CONDITIONAL([HAVE_LIBFETCH], [test "x$ac_cv_lib_fetch_fetchParseURL" = "xyes"])
# Checks for header files.
AC_CHECK_HEADERS([fcntl.h glob.h libintl.h locale.h mntent.h string.h \
sys/ioctl.h sys/mount.h sys/param.h sys/statvfs.h \

13
lib/libalpm/alpm.c
View File

@ -27,11 +27,6 @@
#include <curl/curl.h>
#endif
/* connection caching setup */
#ifdef HAVE_LIBFETCH
#include <fetch.h>
#endif
/* libalpm */
#include "alpm.h"
#include "alpm_list.h"
@ -69,10 +64,6 @@ int SYMEXPORT alpm_initialize(void)
bindtextdomain("libalpm", LOCALEDIR);
#endif
#ifdef HAVE_LIBFETCH
fetchConnectionCacheInit(5, 1);
#endif
#ifdef HAVE_LIBCURL
curl_global_init(CURL_GLOBAL_SSL);
handle->curl = curl_easy_init();
@ -97,10 +88,6 @@ int SYMEXPORT alpm_release(void)
_alpm_handle_free(handle);
handle = NULL;
#ifdef HAVE_LIBFETCH
fetchConnectionCacheClose();
#endif
#ifdef HAVE_LIBCURL
curl_global_cleanup();
#endif

284
lib/libalpm/dload.c
View File

@ -39,10 +39,6 @@
#include <curl/curl.h>
#endif
#ifdef HAVE_LIBFETCH
#include <fetch.h>
#endif
/* libalpm */
#include "dload.h"
#include "alpm_list.h"
@ -59,7 +55,7 @@ static char *get_filename(const char *url) {
return(filename);
}
#if defined(HAVE_LIBFETCH) || defined(HAVE_LIBCURL)
#ifdef HAVE_LIBCURL
static char *get_destfile(const char *path, const char *filename) {
char *destfile;
/* len = localpath len + filename len + null */
@ -88,269 +84,7 @@ static void inthandler(int signum)
{
dload_interrupted = 1;
}
#endif
#ifdef HAVE_LIBFETCH
static const char *fetch_gethost(struct url *fileurl)
{
const char *host = _("disk");
if(strcmp(SCHEME_FILE, fileurl->scheme) != 0) {
host = fileurl->host;
}
return(host);
}
static int fetch_download_internal(const char *url, const char *localpath,
int force) {
FILE *localf = NULL;
struct stat st;
int ret = 0;
off_t dl_thisfile = 0;
ssize_t nread = 0;
char *tempfile, *destfile, *filename;
struct sigaction sig_pipe[2], sig_int[2];
off_t local_size = 0;
time_t local_time = 0;
struct url *fileurl;
struct url_stat ust;
fetchIO *dlf = NULL;
char buffer[PM_DLBUF_LEN];
filename = get_filename(url);
if(!filename) {
_alpm_log(PM_LOG_ERROR, _("url '%s' is invalid\n"), url);
RET_ERR(PM_ERR_SERVER_BAD_URL, -1);
}
fileurl = fetchParseURL(url);
if(!fileurl) {
_alpm_log(PM_LOG_ERROR, _("url '%s' is invalid\n"), url);
RET_ERR(PM_ERR_LIBFETCH, -1);
}
destfile = get_destfile(localpath, filename);
tempfile = get_tempfile(localpath, filename);
if(stat(tempfile, &st) == 0 && S_ISREG(st.st_mode) && st.st_size > 0) {
_alpm_log(PM_LOG_DEBUG, "tempfile found, attempting continuation\n");
local_time = fileurl->last_modified = st.st_mtime;
local_size = fileurl->offset = (off_t)st.st_size;
dl_thisfile = st.st_size;
localf = fopen(tempfile, "ab");
} else if(!force && stat(destfile, &st) == 0 && S_ISREG(st.st_mode) && st.st_size > 0) {
_alpm_log(PM_LOG_DEBUG, "destfile found, using mtime only\n");
local_time = fileurl->last_modified = st.st_mtime;
local_size = /* no fu->off here */ (off_t)st.st_size;
} else {
_alpm_log(PM_LOG_DEBUG, "no file found matching criteria, starting from scratch\n");
}
/* pass the raw filename for passing to the callback function */
_alpm_log(PM_LOG_DEBUG, "using '%s' for download progress\n", filename);
/* print proxy info for debug purposes */
_alpm_log(PM_LOG_DEBUG, "HTTP_PROXY: %s\n", getenv("HTTP_PROXY"));
_alpm_log(PM_LOG_DEBUG, "http_proxy: %s\n", getenv("http_proxy"));
_alpm_log(PM_LOG_DEBUG, "FTP_PROXY: %s\n", getenv("FTP_PROXY"));
_alpm_log(PM_LOG_DEBUG, "ftp_proxy: %s\n", getenv("ftp_proxy"));
/* 10s timeout */
fetchTimeout = 10;
/* ignore any SIGPIPE signals- these may occur if our FTP socket dies or
* something along those lines. Store the old signal handler first. */
sig_pipe[NEW].sa_handler = SIG_IGN;
sigemptyset(&sig_pipe[NEW].sa_mask);
sig_pipe[NEW].sa_flags = 0;
sigaction(SIGPIPE, NULL, &sig_pipe[OLD]);
sigaction(SIGPIPE, &sig_pipe[NEW], NULL);
dload_interrupted = 0;
sig_int[NEW].sa_handler = &inthandler;
sigemptyset(&sig_int[NEW].sa_mask);
sig_int[NEW].sa_flags = 0;
sigaction(SIGINT, NULL, &sig_int[OLD]);
sigaction(SIGINT, &sig_int[NEW], NULL);
/* NOTE: libfetch does not reset the error code, be sure to do it before
* calls into the library */
/* TODO: if we call fetchStat() and get a redirect (disabling automagic
* redirect following), we should repeat the file locator stuff and get a new
* filename rather than only base if off the first URL, and then verify
* get_filename() didn't return ''. Of course, libfetch might not even allow
* us to even get that URL...FS#22645. This would allow us to download things
* without totally puking like
* http://www.archlinux.org/packages/community/x86_64/exim/download/ */
/* find out the remote size *and* mtime in one go. there is a lot of
* trouble in trying to do both size and "if-modified-since" logic in a
* non-stat request, so avoid it. */
fetchLastErrCode = 0;
if(fetchStat(fileurl, &ust, "") == -1) {
pm_errno = PM_ERR_LIBFETCH;
_alpm_log(PM_LOG_ERROR, _("failed retrieving file '%s' from %s : %s\n"),
filename, fetch_gethost(fileurl), fetchLastErrString);
ret = -1;
goto cleanup;
}
check_stop();
_alpm_log(PM_LOG_DEBUG, "ust.mtime: %ld local_time: %ld compare: %ld\n",
ust.mtime, local_time, local_time - ust.mtime);
_alpm_log(PM_LOG_DEBUG, "ust.size: %jd local_size: %jd compare: %jd\n",
(intmax_t)ust.size, (intmax_t)local_size, (intmax_t)(local_size - ust.size));
if(!force && ust.mtime && ust.mtime == local_time
&& ust.size && ust.size == local_size) {
/* the remote time and size values agreed with what we have, so move on
* because there is nothing more to do. */
_alpm_log(PM_LOG_DEBUG, "files are identical, skipping %s\n", filename);
ret = 1;
goto cleanup;
}
if(!ust.mtime || ust.mtime != local_time) {
_alpm_log(PM_LOG_DEBUG, "mtimes were different or unavailable, downloading %s from beginning\n", filename);
fileurl->offset = 0;
}
fetchLastErrCode = 0;
dlf = fetchGet(fileurl, "");
check_stop();
if(fetchLastErrCode != 0 || dlf == NULL) {
pm_errno = PM_ERR_LIBFETCH;
_alpm_log(PM_LOG_ERROR, _("failed retrieving file '%s' from %s : %s\n"),
filename, fetch_gethost(fileurl), fetchLastErrString);
ret = -1;
goto cleanup;
} else {
_alpm_log(PM_LOG_DEBUG, "connected to %s successfully\n", fileurl->host);
}
if(localf && fileurl->offset == 0) {
_alpm_log(PM_LOG_WARNING, _("resuming download of %s not possible; starting over\n"), filename);
fclose(localf);
localf = NULL;
} else if(fileurl->offset) {
_alpm_log(PM_LOG_DEBUG, "resuming download at position %jd\n", (intmax_t)fileurl->offset);
}
if(localf == NULL) {
_alpm_rmrf(tempfile);
fileurl->offset = (off_t)0;
dl_thisfile = 0;
localf = fopen(tempfile, "wb");
if(localf == NULL) { /* still null? */
pm_errno = PM_ERR_RETRIEVE;
_alpm_log(PM_LOG_ERROR, _("error writing to file '%s': %s\n"),
tempfile, strerror(errno));
ret = -1;
goto cleanup;
}
}
/* Progress 0 - initialize */
if(handle->dlcb) {
handle->dlcb(filename, 0, ust.size);
}
while((nread = fetchIO_read(dlf, buffer, PM_DLBUF_LEN)) > 0) {
check_stop();
size_t nwritten = 0;
nwritten = fwrite(buffer, 1, (size_t)nread, localf);
if((nwritten != (size_t)nread) || ferror(localf)) {
pm_errno = PM_ERR_RETRIEVE;
_alpm_log(PM_LOG_ERROR, _("error writing to file '%s': %s\n"),
tempfile, strerror(errno));
ret = -1;
goto cleanup;
}
dl_thisfile += nread;
if(handle->dlcb) {
handle->dlcb(filename, dl_thisfile, ust.size);
}
}
/* did the transfer complete normally? */
if (nread == -1) {
/* not PM_ERR_LIBFETCH here because libfetch error string might be empty */
pm_errno = PM_ERR_RETRIEVE;
_alpm_log(PM_LOG_ERROR, _("failed retrieving file '%s' from %s\n"),
filename, fetch_gethost(fileurl));
ret = -1;
goto cleanup;
}
if (ust.size != -1 && dl_thisfile < ust.size) {
pm_errno = PM_ERR_RETRIEVE;
_alpm_log(PM_LOG_ERROR, _("%s appears to be truncated: %jd/%jd bytes\n"),
filename, (intmax_t)dl_thisfile, (intmax_t)ust.size);
ret = -1;
goto cleanup;
}
/* probably safer to close the file descriptors now before renaming the file,
* for example to make sure the buffers are flushed.
*/
fclose(localf);
localf = NULL;
fetchIO_close(dlf);
dlf = NULL;
/* set the times on the file to the same as that of the remote file */
if(ust.mtime) {
struct timeval tv[2];
memset(&tv, 0, sizeof(tv));
tv[0].tv_sec = ust.atime;
tv[1].tv_sec = ust.mtime;
utimes(tempfile, tv);
}
if(rename(tempfile, destfile)) {
_alpm_log(PM_LOG_ERROR, _("could not rename %s to %s (%s)\n"),
tempfile, destfile, strerror(errno));
ret = -1;
}
ret = 0;
cleanup:
FREE(tempfile);
FREE(destfile);
if(localf != NULL) {
/* if we still had a local file open, we got interrupted. set the mtimes on
* the file accordingly. */
fflush(localf);
if(ust.mtime) {
struct timeval tv[2];
memset(&tv, 0, sizeof(tv));
tv[0].tv_sec = ust.atime;
tv[1].tv_sec = ust.mtime;
futimes(fileno(localf), tv);
}
fclose(localf);
}
if(dlf != NULL) {
fetchIO_close(dlf);
}
fetchFreeURL(fileurl);
/* restore the old signal handlers */
sigaction(SIGINT, &sig_int[OLD], NULL);
sigaction(SIGPIPE, &sig_pipe[OLD], NULL);
/* if we were interrupted, trip the old handler */
if(dload_interrupted) {
raise(SIGINT);
}
return(ret);
}
#endif
#ifdef HAVE_LIBCURL
static int curl_progress(void *filename, double dltotal, double dlnow,
double ultotal, double ulnow) {
@ -561,21 +295,7 @@ cleanup:
static int download(const char *url, const char *localpath,
int force) {
if(handle->fetchcb == NULL) {
#if defined(HAVE_LIBFETCH) && defined(HAVE_LIBCURL)
const char *pmdownloader = getenv("PACMANDL");
if(!pmdownloader || strcmp(pmdownloader, "curl") == 0) {
printf(">> using libcurl as internal downloader\n");
return(curl_download_internal(url, localpath, force));
} else if(strcmp(pmdownloader, "fetch") == 0) {
printf(">> using libfetch as internal downloader\n");
return(fetch_download_internal(url, localpath, force));
} else {
_alpm_log(PM_LOG_ERROR, "PACMANDL unset or invalid! Use `curl' or `fetch'\n");
return(-1);
}
#elif HAVE_LIBFETCH
return(fetch_download_internal(url, localpath, force));
#elif HAVE_LIBCURL
#ifdef HAVE_LIBCURL
return(curl_download_internal(url, localpath, force));
#else
RET_ERR(PM_ERR_EXTERNAL_DOWNLOAD, -1);

2
lib/libalpm/dload.h
View File

@ -25,8 +25,6 @@
#include <time.h>
#define PM_DLBUF_LEN (1024 * 16)
int _alpm_download_single_file(const char *filename,
alpm_list_t *servers, const char *localpath,
int force);

19
lib/libalpm/error.c
View File

@ -20,22 +20,10 @@
#include "config.h"
/* TODO: needed for the libfetch stuff, unfortunately- we should kill it */
#include <stdio.h>
/* the following two are needed for FreeBSD's libfetch */
#include <limits.h> /* PATH_MAX */
#if defined(HAVE_SYS_PARAM_H)
#include <sys/param.h> /* MAXHOSTNAMELEN */
#endif
#ifdef HAVE_LIBCURL
#include <curl/curl.h>
#endif
#ifdef HAVE_LIBFETCH
#include <fetch.h> /* fetchLastErrString */
#endif
/* libalpm */
#include "util.h"
#include "alpm.h"
@ -152,13 +140,6 @@ const char SYMEXPORT *alpm_strerror(int err)
* requires the archive struct, so we can't. Just use a generic
* error string instead. */
return _("libarchive error");
case PM_ERR_LIBFETCH:
#ifdef HAVE_LIBFETCH
return fetchLastErrString;
#else
/* obviously shouldn't get here... */
return _("download library error");
#endif
case PM_ERR_LIBCURL:
#ifdef HAVE_LIBCURL
return(curl_easy_strerror(handle->curlerr));