pacman/src/pacman/callback.c

575 lines
16 KiB
C

/*
* callback.c
*
* Copyright (c) 2002-2007 by Judd Vinet <jvinet@zeroflux.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "config.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/time.h>
#include <unistd.h>
#include <dirent.h>
#include <wchar.h>
#include <alpm.h>
/* pacman */
#include "callback.h"
#include "util.h"
#include "conf.h"
/* TODO this should not have to be defined twice- trans.c & log.c */
#define LOG_STR_LEN 256
#define FILENAME_TRIM_LEN 23
/* download progress bar */
static float rate_last;
static int xfered_last;
static struct timeval initial_time;
/* transaction progress bar */
static int prevpercent = 0; /* for less progressbar output */
/* delayed output during progress bar */
static int on_progress = 0;
static alpm_list_t *output = NULL;
/* Silly little helper function, determines if the caller needs a visual update
* since the last time this function was called.
* This is made for the two progress bar functions, to prevent flicker
*
* first_call indicates if this is the first time it is called, for
* initialization purposes */
static float get_update_timediff(int first_call)
{
float retval = 0.0;
static struct timeval last_time = {0, 0};
/* on first call, simply set the last time and return */
if(first_call) {
gettimeofday(&last_time, NULL);
} else {
struct timeval this_time;
float diff_sec, diff_usec;
gettimeofday(&this_time, NULL);
diff_sec = this_time.tv_sec - last_time.tv_sec;
diff_usec = this_time.tv_usec - last_time.tv_usec;
retval = diff_sec + (diff_usec / 1000000.0);
/* return 0 and do not update last_time if interval was too short */
if(retval < UPDATE_SPEED_SEC) {
retval = 0.0;
} else {
last_time = this_time;
/* printf("\nupdate retval: %f\n", retval); DEBUG*/
}
}
return(retval);
}
/* refactored from cb_trans_progress */
static void fill_progress(const int graph_percent, const int display_percent,
const int proglen)
{
const unsigned int hashlen = proglen - 8;
const unsigned int hash = graph_percent * hashlen / 100;
static unsigned int lasthash = 0, mouth = 0;
unsigned int i;
/* printf("\ndebug: proglen: %i\n", proglen); DEBUG*/
if(graph_percent == 0) {
lasthash = 0;
mouth = 0;
}
/* magic numbers, how I loathe thee */
if(proglen > 8) {
printf(" [");
for(i = hashlen; i > 1; --i) {
/* if special progress bar enabled */
if(config->chomp) {
if(i > hashlen - hash) {
printf("-");
} else if(i == hashlen - hash) {
if(lasthash == hash) {
if(mouth) {
printf("\033[1;33mC\033[m");
} else {
printf("\033[1;33mc\033[m");
}
} else {
lasthash = hash;
mouth = mouth == 1 ? 0 : 1;
if(mouth) {
printf("\033[1;33mC\033[m");
} else {
printf("\033[1;33mc\033[m");
}
}
} else if(i%3 == 0) {
printf("\033[0;37mo\033[m");
} else {
printf("\033[0;37m \033[m");
}
} /* else regular progress bar */
else if(i > hashlen - hash) {
printf("#");
} else {
printf("-");
}
}
printf("]");
}
/* print percent after progress bar */
if(proglen > 5) {
printf(" %3d%%", display_percent);
}
if(graph_percent == 100) {
printf("\n");
} else {
printf("\r");
}
fflush(stdout);
}
/* callback to handle messages/notifications from libalpm transactions */
void cb_trans_evt(pmtransevt_t event, void *data1, void *data2)
{
char str[LOG_STR_LEN] = "";
switch(event) {
case PM_TRANS_EVT_CHECKDEPS_START:
printf(_("checking dependencies...\n"));
break;
case PM_TRANS_EVT_FILECONFLICTS_START:
if(config->noprogressbar) {
printf(_("checking for file conflicts...\n"));
}
break;
case PM_TRANS_EVT_RESOLVEDEPS_START:
printf(_("resolving dependencies...\n"));
break;
case PM_TRANS_EVT_INTERCONFLICTS_START:
printf(_("looking for inter-conflicts...\n"));
break;
case PM_TRANS_EVT_ADD_START:
if(config->noprogressbar) {
printf(_("installing %s...\n"), alpm_pkg_get_name(data1));
}
break;
case PM_TRANS_EVT_ADD_DONE:
snprintf(str, LOG_STR_LEN, "installed %s (%s)\n",
alpm_pkg_get_name(data1),
alpm_pkg_get_version(data1));
alpm_logaction(str);
break;
case PM_TRANS_EVT_REMOVE_START:
if(config->noprogressbar) {
printf(_("removing %s...\n"), alpm_pkg_get_name(data1));
}
break;
case PM_TRANS_EVT_REMOVE_DONE:
snprintf(str, LOG_STR_LEN, "removed %s (%s)\n",
alpm_pkg_get_name(data1),
alpm_pkg_get_version(data1));
alpm_logaction(str);
break;
case PM_TRANS_EVT_UPGRADE_START:
if(config->noprogressbar) {
printf(_("upgrading %s...\n"), alpm_pkg_get_name(data1));
}
break;
case PM_TRANS_EVT_UPGRADE_DONE:
snprintf(str, LOG_STR_LEN, "upgraded %s (%s -> %s)\n",
(char *)alpm_pkg_get_name(data1),
(char *)alpm_pkg_get_version(data2),
(char *)alpm_pkg_get_version(data1));
alpm_logaction(str);
break;
case PM_TRANS_EVT_INTEGRITY_START:
printf(_("checking package integrity...\n"));
break;
case PM_TRANS_EVT_DELTA_INTEGRITY_START:
printf(_("checking delta integrity...\n"));
break;
case PM_TRANS_EVT_DELTA_PATCHES_START:
printf(_("applying deltas...\n"));
break;
case PM_TRANS_EVT_DELTA_PATCH_START:
printf(_("generating %s with %s... "), (char *)data1, (char *)data2);
break;
case PM_TRANS_EVT_DELTA_PATCH_DONE:
printf(_("success!\n"));
break;
case PM_TRANS_EVT_DELTA_PATCH_FAILED:
printf(_("failed.\n"));
break;
case PM_TRANS_EVT_SCRIPTLET_INFO:
printf("%s", (char*)data1);
break;
case PM_TRANS_EVT_PRINTURI:
printf("%s/%s\n", (char*)data1, (char*)data2);
break;
case PM_TRANS_EVT_RETRIEVE_START:
printf(_(":: Retrieving packages from %s...\n"), (char*)data1);
break;
/* all the simple done events, with fallthrough for each */
case PM_TRANS_EVT_FILECONFLICTS_DONE:
case PM_TRANS_EVT_EXTRACT_DONE:
case PM_TRANS_EVT_CHECKDEPS_DONE:
case PM_TRANS_EVT_RESOLVEDEPS_DONE:
case PM_TRANS_EVT_INTERCONFLICTS_DONE:
case PM_TRANS_EVT_INTEGRITY_DONE:
case PM_TRANS_EVT_DELTA_INTEGRITY_DONE:
case PM_TRANS_EVT_DELTA_PATCHES_DONE:
/* nothing */
break;
}
fflush(stdout);
}
/* callback to handle questions from libalpm transactions (yes/no) */
/* TODO this is one of the worst ever functions written. void *data ? wtf */
void cb_trans_conv(pmtransconv_t event, void *data1, void *data2,
void *data3, int *response)
{
char str[LOG_STR_LEN] = "";
switch(event) {
case PM_TRANS_CONV_INSTALL_IGNOREPKG:
if(data2) {
/* TODO we take this route based on data2 being not null? WTF */
snprintf(str, LOG_STR_LEN, _(":: %s requires installing %s from IgnorePkg/IgnoreGroup. Install anyway? [Y/n] "),
alpm_pkg_get_name(data1),
alpm_pkg_get_name(data2));
*response = yesno(str);
} else {
snprintf(str, LOG_STR_LEN, _(":: %s is in IgnorePkg/IgnoreGroup. Install anyway? [Y/n] "),
alpm_pkg_get_name(data1));
*response = yesno(str);
}
break;
case PM_TRANS_CONV_REMOVE_HOLDPKG:
snprintf(str, LOG_STR_LEN, _(":: %s is designated as a HoldPkg. Remove anyway? [Y/n] "),
alpm_pkg_get_name(data1));
*response = yesno(str);
break;
case PM_TRANS_CONV_REPLACE_PKG:
snprintf(str, LOG_STR_LEN, _(":: Replace %s with %s/%s? [Y/n] "),
alpm_pkg_get_name(data1),
(char *)data3,
alpm_pkg_get_name(data2));
*response = yesno(str);
break;
case PM_TRANS_CONV_CONFLICT_PKG:
snprintf(str, LOG_STR_LEN, _(":: %s conflicts with %s. Remove %s? [Y/n] "),
(char *)data1,
(char *)data2,
(char *)data2);
*response = yesno(str);
break;
case PM_TRANS_CONV_LOCAL_NEWER:
if(!config->op_s_downloadonly) {
snprintf(str, LOG_STR_LEN, _(":: %s-%s: local version is newer. Upgrade anyway? [Y/n] "),
alpm_pkg_get_name(data1),
alpm_pkg_get_version(data1));
*response = yesno(str);
} else {
*response = 1;
}
break;
case PM_TRANS_CONV_CORRUPTED_PKG:
if(!config->noconfirm) {
snprintf(str, LOG_STR_LEN, _(":: File %s is corrupted. Do you want to delete it? [Y/n] "),
(char *)data1);
*response = yesno(str);
} else {
*response = 1;
}
break;
}
}
/* callback to handle display of transaction progress */
void cb_trans_progress(pmtransprog_t event, const char *pkgname, int percent,
int howmany, int remain)
{
float timediff;
/* size of line to allocate for text printing (e.g. not progressbar) */
const int infolen = 50;
int tmp, digits, oprlen, textlen, pkglen;
char *opr = NULL;
wchar_t *wcopr = NULL;
if(config->noprogressbar) {
return;
}
if(percent == 0) {
timediff = get_update_timediff(1);
} else {
timediff = get_update_timediff(0);
}
if(percent > 0 && percent < 100 && !timediff) {
/* only update the progress bar when
* a) we first start
* b) we end the progress
* c) it has been long enough since the last call
*/
return;
}
/* if no pkgname, percent is too high or unchanged, then return */
if(!pkgname || percent == prevpercent) {
return;
}
prevpercent=percent;
/* set text of message to display */
switch (event) {
case PM_TRANS_PROGRESS_ADD_START:
opr = _("installing");
break;
case PM_TRANS_PROGRESS_UPGRADE_START:
opr = _("upgrading");
break;
case PM_TRANS_PROGRESS_REMOVE_START:
opr = _("removing");
break;
case PM_TRANS_PROGRESS_CONFLICTS_START:
opr = _("checking for file conflicts");
break;
}
/* convert above strings to wide chars */
oprlen = strlen(opr);
wcopr = calloc(oprlen, sizeof(wchar_t));
if(!wcopr) {
fprintf(stderr, "malloc failure: could not allocate %zd bytes\n",
strlen(opr) * sizeof(wchar_t));
return;
}
oprlen = mbstowcs(wcopr, opr, oprlen);
/* find # of digits in package counts to scale output */
digits = 1;
tmp = howmany;
while((tmp /= 10)) {
++digits;
}
/* determine room left for non-digits text [not ( 1/12) part] */
textlen = infolen - 3 - (2 * digits);
/* room left for package name */
pkglen = textlen - oprlen - 1;
switch (event) {
case PM_TRANS_PROGRESS_ADD_START:
case PM_TRANS_PROGRESS_UPGRADE_START:
case PM_TRANS_PROGRESS_REMOVE_START:
/* old way of doing it, but ISO C does not recognize it
printf("(%2$*1$d/%3$*1$d) %4$s %6$-*5$.*5$s", digits, remain, howmany,
opr, pkglen, pkgname);*/
printf("(%*d/%*d) %s %-*.*s", digits, remain, digits, howmany,
opr, pkglen, pkglen, pkgname);
break;
case PM_TRANS_PROGRESS_CONFLICTS_START:
/* old way of doing it, but ISO C does not recognize it
printf("(%2$*1$d/%3$*1$d) %5$-*4$s", digits, remain, howmany,
textlen, opr);*/
printf("(%*d/%*d) %-*s", digits, remain, digits, howmany,
textlen, opr);
break;
}
free(wcopr);
/* call refactored fill progress function */
fill_progress(percent, percent, getcols() - infolen);
if(percent == 100) {
alpm_list_t *i = NULL;
on_progress = 0;
for(i = output; i; i = i->next) {
printf("%s", (char *)i->data);
}
fflush(stdout);
FREELIST(output);
} else {
on_progress = 1;
}
}
/* callback to handle display of download progress */
void cb_dl_progress(const char *filename, int file_xfered, int file_total,
int list_xfered, int list_total)
{
const int infolen = 50;
char *fname, *p;
float rate = 0.0, timediff = 0.0, f_xfered = 0.0;
unsigned int eta_h = 0, eta_m = 0, eta_s = 0;
int graph_percent = 0, display_percent = 0;
char rate_size = 'K', xfered_size = 'K';
int xfered = 0, total = 0;
/* Need this variable when TotalDownload is set to know if we should
* reset xfered_last and rate_last. */
static int has_init = 0;
if(config->noprogressbar) {
return;
}
/* Choose how to display the amount downloaded, rate, ETA, and
* percentage depending on the TotalDownload option. */
if (config->totaldownload && list_total > 0) {
xfered = list_xfered;
total = list_total;
} else {
xfered = file_xfered;
total = file_total;
}
/* this is basically a switch on file_xferred: 0, file_total, and
* anything else */
if(file_xfered == 0) {
/* set default starting values, but only once for TotalDownload */
if (!(config->totaldownload && list_total > 0) ||
(config->totaldownload && list_total > 0 && !has_init)) {
gettimeofday(&initial_time, NULL);
timediff = get_update_timediff(1);
xfered_last = 0;
rate_last = 0.0;
has_init = 1;
}
rate = 0.0;
eta_s = 0;
} else if(file_xfered == file_total) {
/* compute final values */
struct timeval current_time;
float diff_sec, diff_usec;
gettimeofday(&current_time, NULL);
diff_sec = current_time.tv_sec - initial_time.tv_sec;
diff_usec = current_time.tv_usec - initial_time.tv_usec;
timediff = diff_sec + (diff_usec / 1000000.0);
rate = xfered / (timediff * 1024.0);
/* round elapsed time to the nearest second */
eta_s = (int)(timediff + 0.5);
} else {
/* compute current average values */
timediff = get_update_timediff(0);
if(timediff < UPDATE_SPEED_SEC) {
/* return if the calling interval was too short */
return;
}
rate = (xfered - xfered_last) / (timediff * 1024.0);
/* average rate to reduce jumpiness */
rate = (rate + 2*rate_last) / 3;
eta_s = (total - xfered) / (rate * 1024.0);
rate_last = rate;
xfered_last = xfered;
}
/* fix up time for display */
eta_h = eta_s / 3600;
eta_s -= eta_h * 3600;
eta_m = eta_s / 60;
eta_s -= eta_m * 60;
fname = strdup(filename);
/* strip package or DB extension for cleaner look */
if((p = strstr(fname, PKGEXT)) || (p = strstr(fname, DBEXT))) {
*p = '\0';
}
if(strlen(fname) > FILENAME_TRIM_LEN) {
strcpy(fname + FILENAME_TRIM_LEN -3,"...");
}
/* Awesome formatting for progress bar. We need a mess of Kb->Mb->Gb stuff
* here. We'll use limit of 2048 for each until we get some empirical */
/* rate_size = 'K'; was set above */
if(rate > 2048.0) {
rate /= 1024.0;
rate_size = 'M';
if(rate > 2048.0) {
rate /= 1024.0;
rate_size = 'G';
/* we should not go higher than this for a few years (9999.9 Gb/s?)*/
}
}
f_xfered = xfered / 1024.0; /* convert to K by default */
/* xfered_size = 'K'; was set above */
if(f_xfered > 2048.0) {
f_xfered /= 1024.0;
xfered_size = 'M';
if(f_xfered > 2048.0) {
f_xfered /= 1024.0;
xfered_size = 'G';
/* I should seriously hope that archlinux packages never break
* the 9999.9GB mark... we'd have more serious problems than the progress
* bar in pacman */
}
}
printf(" %-*s %6.1f%c %#6.1f%c/s %02u:%02u:%02u", FILENAME_TRIM_LEN, fname,
f_xfered, xfered_size, rate, rate_size, eta_h, eta_m, eta_s);
free(fname);
/* The progress bar is based on the file percent regardless of the
* TotalDownload option. */
graph_percent = (int)((float)file_xfered) / ((float)file_total) * 100;
display_percent = (int)((float)xfered) / ((float)total) * 100;
fill_progress(graph_percent, display_percent, getcols() - infolen);
return;
}
/* Callback to handle notifications from the library */
void cb_log(pmloglevel_t level, char *fmt, va_list args)
{
if(!strlen(fmt)) {
return;
}
if(on_progress) {
char *string = NULL;
pm_vasprintf(&string, level, fmt, args);
if(string != NULL) {
output = alpm_list_add(output, string);
}
} else {
pm_vfprintf(stdout, level, fmt, args);
}
}
/* vim: set ts=2 sw=2 noet: */