#include <unistd.h>
#include <stdlib.h>
#include <fcntl.h>
+ #include <sys/select.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <signal.h>
return true;
}
+
+ /*}}}*/
+ // DPkgPM::DoStdin - Read stdin and pass to slave pty /*{{{*/
+ // ---------------------------------------------------------------------
+ /*
+ */
+ void pkgDPkgPM::DoStdin(int master)
+ {
+ char input_buf[256] = {0,};
+ int len = read(0, input_buf, sizeof(input_buf));
+ write(master, input_buf, len);
+ }
+ /*}}}*/
+ // DPkgPM::DoTerminalPty - Read the terminal pty and write log /*{{{*/
+ // ---------------------------------------------------------------------
+ /*
+ * read the terminal pty and write log
+ */
+ void pkgDPkgPM::DoTerminalPty(int master, FILE *term_out)
+ {
+ char term_buf[1024] = {0,};
+
+ int len=read(master, term_buf, sizeof(term_buf));
+ if(len <= 0)
+ return;
+ fwrite(term_buf, len, sizeof(char), term_out);
+ write(1, term_buf, len);
+ }
/*}}}*/
+
+
+
// DPkgPM::Go - Run the sequence /*{{{*/
// ---------------------------------------------------------------------
/* This globs the operations and calls dpkg
int master;
int slave;
+ // FIXME: setup sensible signal handling (*ick*)
tcgetattr(0, &tt);
ioctl(0, TIOCGWINSZ, (char *)&win);
- if (openpty(&master, &slave, NULL, &tt, &win) < 0) {
+ if (openpty(&master, &slave, NULL, &tt, &win) < 0)
+ {
fprintf(stderr, _("openpty failed\n"));
}
dup2(slave, 1);
dup2(slave, 2);
close(slave);
-
close(fd[0]); // close the read end of the pipe
if (chdir(_config->FindDir("DPkg::Run-Directory","/").c_str()) != 0)
// the read buffers for the communication with dpkg
char line[1024] = {0,};
-
char buf[2] = {0,0};
- char term_buf[2] = {0,0};
- char input_buf[2] = {0,0};
// the result of the waitpid call
int res;
close(slave);
+ #if 0
fcntl(0, F_SETFL, O_NONBLOCK);
fcntl(master, F_SETFL, O_NONBLOCK);
+ #endif
+ // FIXME: make this a apt config option and add a logrotate file
FILE *term_out = fopen("/var/log/dpkg-out.log","a");
chmod("/var/log/dpkg-out.log", 0600);
-
+ // output current time
+ char outstr[200];
+ time_t t = time(NULL);
+ struct tm *tmp = localtime(&t);
+ strftime(outstr, sizeof(outstr), "%F %T", tmp);
+ fprintf(term_out, "Log started: ");
+ fprintf(term_out, outstr);
+ fprintf(term_out, "\n");
+
+ // setups fds
+ fd_set rfds;
+ struct timeval tv;
+ int select_ret;
while ((res=waitpid(Child,&Status, WNOHANG)) != Child) {
if(res < 0) {
// FIXME: move this to a function or something, looks ugly here
}
// wait for input or output here
-
- // FIXME: use select() instead of the rubish below
-
- // read a single char, make sure that the read can't block
- // (otherwise we may leave zombies)
- int term_len = read(master, term_buf, 1);
- int input_len = read(0, input_buf, 1);
- int len = read(_dpkgin, buf, 1);
-
- // see if we have any input that needs to go to the
- // master pty
- if(input_len > 0)
- write(master, input_buf, 1);
-
- // see if we have any output that needs to be echoed
- // and written to the log
- if(term_len > 0)
- {
- do
- {
- fwrite(term_buf, 1, 1, term_out);
- write(1, term_buf, 1);
- } while(read(master, term_buf, 1) > 0);
- term_buf[0] = 0;
- }
-
- // nothing to read from dpkg , wait a bit for more
- if(len <= 0)
- {
- usleep(1000);
+ FD_ZERO(&rfds);
+ FD_SET(0, &rfds);
+ FD_SET(_dpkgin, &rfds);
+ FD_SET(master, &rfds);
+ tv.tv_sec = 1;
+ tv.tv_usec = 0;
+ select_ret = select(max(master, _dpkgin)+1, &rfds, NULL, NULL, &tv);
+ if (select_ret < 0)
+ std::cerr << "Error in select()" << std::endl;
+ else if (select_ret == 0)
continue;
- }
- // sanity check (should never happen)
- if(strlen(line) >= sizeof(line)-10)
+ if(FD_ISSET(master, &rfds))
+ DoTerminalPty(master, term_out);
+ if(FD_ISSET(0, &rfds))
+ DoStdin(master);
+
+ // FIXME: move this into its own function too
++ // FIXME2: do not use non-blocking read here,
++ // read/process as much data as possible
++ // Yin one run
+ //DoDpkgStatusFd();
+ if(FD_ISSET(_dpkgin, &rfds))
+ while(true)
{
- _error->Error("got a overlong line from dpkg: '%s'",line);
- line[0]=0;
- }
- // append to line, check if we got a complete line
- strcat(line, buf);
- if(buf[0] != '\n')
- continue;
+ if(read(_dpkgin, buf, 1) <= 0)
+ break;
- if (_config->FindB("Debug::pkgDPkgProgressReporting",false) == true)
- std::clog << "got from dpkg '" << line << "'" << std::endl;
+ // sanity check (should never happen)
+ if(strlen(line) >= sizeof(line)-10)
+ {
+ _error->Error("got a overlong line from dpkg: '%s'",line);
+ line[0]=0;
+ continue;
+ }
+ // append to line, check if we got a complete line
+ strcat(line, buf);
+ if(buf[0] != '\n')
+ continue;
- // the status we output
- ostringstream status;
+ if (_config->FindB("Debug::pkgDPkgProgressReporting",false) == true)
+ std::clog << "got from dpkg '" << line << "'" << std::endl;
- /* dpkg sends strings like this:
- 'status: <pkg>: <pkg qstate>'
- errors look like this:
- 'status: /var/cache/apt/archives/krecipes_0.8.1-0ubuntu1_i386.deb : error : trying to overwrite `/usr/share/doc/kde/HTML/en/krecipes/krectip.png', which is also in package krecipes-data
- and conffile-prompt like this
- 'status: conffile-prompt: conffile : 'current-conffile' 'new-conffile' useredited distedited
+ // the status we output
+ ostringstream status;
+
+ /* dpkg sends strings like this:
+ 'status: <pkg>: <pkg qstate>'
+ errors look like this:
+ 'status: /var/cache/apt/archives/krecipes_0.8.1-0ubuntu1_i386.deb : error : trying to overwrite `/usr/share/doc/kde/HTML/en/krecipes/krectip.png', which is also in package krecipes-data
+ and conffile-prompt like this
+ 'status: conffile-prompt: conffile : 'current-conffile' 'new-conffile' useredited distedited
- */
- char* list[5];
- // dpkg sends multiline error messages sometimes (see
- // #374195 for a example. we should support this by
- // either patching dpkg to not send multiline over the
- // statusfd or by rewriting the code here to deal with
- // it. for now we just ignore it and not crash
- TokSplitString(':', line, list, sizeof(list)/sizeof(list[0]));
- char *pkg = list[1];
- char *action = _strstrip(list[2]);
- if( pkg == NULL || action == NULL)
- {
- if (_config->FindB("Debug::pkgDPkgProgressReporting",false) == true)
- std::clog << "ignoring line: not enough ':'" << std::endl;
- // reset the line buffer
- line[0]=0;
- continue;
- }
+ */
+ char* list[5];
+ // dpkg sends multiline error messages sometimes (see
+ // #374195 for a example. we should support this by
+ // either patching dpkg to not send multiline over the
+ // statusfd or by rewriting the code here to deal with
+ // it. for now we just ignore it and not crash
+ TokSplitString(':', line, list, sizeof(list)/sizeof(list[0]));
+ char *pkg = list[1];
+ char *action = _strstrip(list[2]);
+ if( pkg == NULL || action == NULL)
+ {
+ if (_config->FindB("Debug::pkgDPkgProgressReporting",false) == true)
+ std::clog << "ignoring line: not enough ':'" << std::endl;
+ // reset the line buffer
+ line[0]=0;
+ continue;
+ }
- if(strncmp(action,"error",strlen("error")) == 0)
- {
- status << "pmerror:" << list[1]
- << ":" << (Done/float(Total)*100.0)
- << ":" << list[3]
- << endl;
- if(OutStatusFd > 0)
- write(OutStatusFd, status.str().c_str(), status.str().size());
- line[0]=0;
- if (_config->FindB("Debug::pkgDPkgProgressReporting",false) == true)
- std::clog << "send: '" << status.str() << "'" << endl;
- continue;
- }
- if(strncmp(action,"conffile",strlen("conffile")) == 0)
- {
- status << "pmconffile:" << list[1]
- << ":" << (Done/float(Total)*100.0)
- << ":" << list[3]
- << endl;
- if(OutStatusFd > 0)
- write(OutStatusFd, status.str().c_str(), status.str().size());
- line[0]=0;
- if (_config->FindB("Debug::pkgDPkgProgressReporting",false) == true)
- std::clog << "send: '" << status.str() << "'" << endl;
- continue;
- }
+ if(strncmp(action,"error",strlen("error")) == 0)
+ {
+ status << "pmerror:" << list[1]
+ << ":" << (Done/float(Total)*100.0)
+ << ":" << list[3]
+ << endl;
+ if(OutStatusFd > 0)
+ write(OutStatusFd, status.str().c_str(), status.str().size());
+ line[0]=0;
+ if (_config->FindB("Debug::pkgDPkgProgressReporting",false) == true)
+ std::clog << "send: '" << status.str() << "'" << endl;
+ continue;
+ }
+ if(strncmp(action,"conffile",strlen("conffile")) == 0)
+ {
+ status << "pmconffile:" << list[1]
+ << ":" << (Done/float(Total)*100.0)
+ << ":" << list[3]
+ << endl;
+ if(OutStatusFd > 0)
+ write(OutStatusFd, status.str().c_str(), status.str().size());
+ line[0]=0;
+ if (_config->FindB("Debug::pkgDPkgProgressReporting",false) == true)
+ std::clog << "send: '" << status.str() << "'" << endl;
+ continue;
+ }
- vector<struct DpkgState> &states = PackageOps[pkg];
- const char *next_action = NULL;
- if(PackageOpsDone[pkg] < states.size())
- next_action = states[PackageOpsDone[pkg]].state;
- // check if the package moved to the next dpkg state
- if(next_action && (strcmp(action, next_action) == 0))
- {
- // only read the translation if there is actually a next
- // action
- const char *translation = _(states[PackageOpsDone[pkg]].str);
- char s[200];
- snprintf(s, sizeof(s), translation, pkg);
-
- // we moved from one dpkg state to a new one, report that
- PackageOpsDone[pkg]++;
- Done++;
- // build the status str
- status << "pmstatus:" << pkg
- << ":" << (Done/float(Total)*100.0)
- << ":" << s
- << endl;
- if(OutStatusFd > 0)
- write(OutStatusFd, status.str().c_str(), status.str().size());
- if (_config->FindB("Debug::pkgDPkgProgressReporting",false) == true)
- std::clog << "send: '" << status.str() << "'" << endl;
+ vector<struct DpkgState> &states = PackageOps[pkg];
+ const char *next_action = NULL;
+ if(PackageOpsDone[pkg] < states.size())
+ next_action = states[PackageOpsDone[pkg]].state;
+ // check if the package moved to the next dpkg state
+ if(next_action && (strcmp(action, next_action) == 0))
+ {
+ // only read the translation if there is actually a next
+ // action
+ const char *translation = _(states[PackageOpsDone[pkg]].str);
+ char s[200];
+ snprintf(s, sizeof(s), translation, pkg);
+
+ // we moved from one dpkg state to a new one, report that
+ PackageOpsDone[pkg]++;
+ Done++;
+ // build the status str
+ status << "pmstatus:" << pkg
+ << ":" << (Done/float(Total)*100.0)
+ << ":" << s
+ << endl;
+ if(OutStatusFd > 0)
+ write(OutStatusFd, status.str().c_str(), status.str().size());
+ if (_config->FindB("Debug::pkgDPkgProgressReporting",false) == true)
+ std::clog << "send: '" << status.str() << "'" << endl;
- }
- if (_config->FindB("Debug::pkgDPkgProgressReporting",false) == true)
- std::clog << "(parsed from dpkg) pkg: " << pkg
- << " action: " << action << endl;
+ }
+ if (_config->FindB("Debug::pkgDPkgProgressReporting",false) == true)
+ std::clog << "(parsed from dpkg) pkg: " << pkg
+ << " action: " << action << endl;
- // reset the line buffer
- line[0]=0;
+ // reset the line buffer
+ line[0]=0;
+ }
}
close(_dpkgin);
fclose(term_out);
projects / apt.git / commitdiff
