diff options
Diffstat (limited to 'apt-pkg')
| -rw-r--r-- | apt-pkg/deb/dpkgpm.cc | 304 | ||||
| -rw-r--r-- | apt-pkg/deb/dpkgpm.h | 5 |
2 files changed, 178 insertions, 131 deletions
diff --git a/apt-pkg/deb/dpkgpm.cc b/apt-pkg/deb/dpkgpm.cc index 9ca519acd..46a2aaa6a 100644 --- a/apt-pkg/deb/dpkgpm.cc +++ b/apt-pkg/deb/dpkgpm.cc @@ -17,6 +17,7 @@ #include <unistd.h> #include <stdlib.h> #include <fcntl.h> +#include <sys/select.h> #include <sys/types.h> #include <sys/wait.h> #include <signal.h> @@ -328,7 +329,38 @@ bool pkgDPkgPM::RunScriptsWithPkgs(const char *Cnf) 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 @@ -527,9 +559,11 @@ bool pkgDPkgPM::Go(int OutStatusFd) 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")); } @@ -554,7 +588,6 @@ bool pkgDPkgPM::Go(int OutStatusFd) 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) @@ -598,19 +631,31 @@ bool pkgDPkgPM::Go(int OutStatusFd) // 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 @@ -626,142 +671,139 @@ bool pkgDPkgPM::Go(int OutStatusFd) } // 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); diff --git a/apt-pkg/deb/dpkgpm.h b/apt-pkg/deb/dpkgpm.h index 7da729904..a1466878d 100644 --- a/apt-pkg/deb/dpkgpm.h +++ b/apt-pkg/deb/dpkgpm.h @@ -44,6 +44,11 @@ class pkgDPkgPM : public pkgPackageManager bool RunScriptsWithPkgs(const char *Cnf); bool SendV2Pkgs(FILE *F); + // input processing + void DoStdin(int master); + void DoTerminalPty(int master, FILE *out); + // void DoDpkgStatusFd(); + // The Actuall installation implementation virtual bool Install(PkgIterator Pkg,string File); virtual bool Configure(PkgIterator Pkg); |