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Viewing changes to clc/modules/storage-controller/native/edu_ucsb_eucalyptus_storage_LVM2Manager.c

  • Committer: Bazaar Package Importer
  • Author(s): Dave Walker (Daviey)
  • Date: 2010-07-21 17:27:10 UTC
  • mfrom: (1.1.38 upstream)
  • Revision ID: james.westby@ubuntu.com-20100721172710-7xv07dmdqgivc3t9
Tags: 2.0~bzr1211-0ubuntu1
https://launchpad.net/bugs/597330
https://launchpad.net/bugs/595421
* New major upstream version merge, 2.0 (r1211).
* debian/patches/:
  - 01-wsdl-stubs.patch, debian/wsdl.md5sums: wsdl stubs updated.
  - 02-Makefile.patch: Updated to reflect new code layout.
  - 07-local_support_euca_conf-in.patch: Updated to reflect new code layout.
  - 08-ubuntu-default-networking.patch: Refreshed.
  - 09-small-128-192MB.patch: Updated to point to new location.
  - 10-disable-iscsi.patch: Refreshed.
  - 11-state-cleanup-memleakfix.patch: Removed, fixed upstream.
  - 15-fix-default-ramdisk.patch: Updated to point to new location.
  - 16-kvm_libvirt_xml_default_use_kvm.patch: Updated to reflect changes.
  - 17-fix_walrus_OOM_errors.patch: Removed, fixed upstream.
  - 18-priv_security.patch: Updated to reflect upstream changes.
  - 20-brute-force-webui.patch: Updated to reflect upstream changes. 
  - 21-eucalyptus-1.7-with-gwt-1.6.4.patch: New patch, allows 
    eucalyptus-1.7 to be built against gwt 1.6.4. Based on patch courtesy 
    of Dmitrii Zagorodnov, upstream. (LP: #597330)
* debian/eucalyptus-java-common.links: 
  - Changed symlink for groovy, point to groovy.all.jar, making compatiable 
    with groovy versions >1.7. (LP: #595421)
  - Added ant.jar & jetty-rewrite-handler.jar as they are now required.
* debian/control
  - & debian/build-jars: Added libjavassist-java and libjetty-extra-java as 
    build dependencies.
  - Added libjetty-extra-java as a dependency of eucalyptus-java-common
* The binary resulting jar's have been renamed from eucalyptus-*-1.6.2.jar
  to eucalyptus-*-main.jar:    
  - debian/eucalyptus-cc.upstart
  - debian/eucalyptus-cloud.install
  - debian/eucalyptus-common.eucalyptus.upstart
  - debian/eucalyptus-java-common.install
  - debian/eucalyptus-network.upstart
  - debian/eucalyptus-sc.install
  - debian/eucalyptus-walrus.install
* debian/eucalyptus-java-common.install: New upstream jars that have been
  installed:
  - eucalyptus-db-hsqldb-ext-main.jar
  - eucalyptus-component-main.jar
* debian/control:
  - Updated Standards Version to 3.8.4 (no change)
  - Updated the upstream Homepage to: http://open.eucalyptus.com/
  - Changed Vcs-Bzr to reflect new location of Ubuntu hosted development branch.
  - Made the Build Dependency of groovy and the binary eucalyptus-java-common
    package depend on version >=1.7.

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clc/modules/storage-controller/native/edu_ucsb_eucalyptus_storage_LVM2Manager.c
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/*
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 * Author: Sunil Soman sunils@cs.ucsb.edu
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 */
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#include <edu_ucsb_eucalyptus_storage_LVM2Manager.h>
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#include <unistd.h>
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#include <string.h>
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#include <stdlib.h>
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#include <sys/types.h>
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#include <dirent.h>
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#include <sys/wait.h>
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#include <signal.h>
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#define EUCALYPTUS_ENV_VAR_NAME  "EUCALYPTUS"
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static const char* blockSize = "1M";
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int run_command_and_get_pid(char *cmd, char **args) {
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        int pid = -1;
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        int fds_to_close[1024];
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        int curr_fd = 0;
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        if ((pid = fork()) == -1) {
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                perror("Could not run command");
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                return -1;
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        }
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        if (pid == 0) {
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                //daemonize
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                DIR *proc_fd_dir;
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                struct dirent *fd_dir;
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                int fd_to_close;
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                char fd_path[128];
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                int my_pid = getpid();
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                umask(0);
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                int sid = setsid();
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                if(sid < 0)
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                        exit(-1);
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                char* home = getenv (EUCALYPTUS_ENV_VAR_NAME);
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                if (!home) {
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                        home = strdup (""); /* root by default */
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                } else {
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                        home = strdup (home);
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                }
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                fprintf(stderr, "command: %s\n", cmd);
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                chdir(home);
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                //close all open fds
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                snprintf(fd_path, 128, "/proc/%d/fd", my_pid);
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                if ((proc_fd_dir = opendir(fd_path)) != NULL) {
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                        curr_fd = 0;
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                        while ((fd_dir = readdir(proc_fd_dir)) != NULL) {
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                                if (isdigit(fd_dir->d_name[0])) {
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                                        fds_to_close[curr_fd++] =  atoi(fd_dir->d_name);
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                                }
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                        }
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                        int i = 0;
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                        for(i=0 ; i < curr_fd; ++i) {
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                                close(fds_to_close[i]);
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                        }
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                } else {
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                        int i = 0;
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                        for(i=0 ; i < 1024; ++i) {
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                                close(i);
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                        }
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                }
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                freopen( "/dev/null", "r", stdin);
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                freopen( "/dev/null", "w", stdout);
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                freopen( "/dev/null", "w", stderr);
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                exit(execvp(cmd, args));
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        }
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        return pid;
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}
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void sigchld(int signal)
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{
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        while (0 < waitpid(-1, NULL, WNOHANG));
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}
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JNIEXPORT void JNICALL Java_edu_ucsb_eucalyptus_storage_LVM2Manager_registerSignals
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(JNIEnv *env, jobject obj) {
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        signal(SIGCHLD, sigchld);
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}
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