diff options
Diffstat (limited to 'qga/main.c')
| -rw-r--r-- | qga/main.c | 57 |
1 files changed, 50 insertions, 7 deletions
@@ -45,16 +45,21 @@ #ifndef _WIN32 #define QGA_VIRTIO_PATH_DEFAULT "/dev/virtio-ports/org.qemu.guest_agent.0" +#define QGA_STATE_RELATIVE_DIR "run" #else #define QGA_VIRTIO_PATH_DEFAULT "\\\\.\\Global\\org.qemu.guest_agent.0" +#define QGA_STATE_RELATIVE_DIR "qemu-ga" #endif -#define QGA_STATEDIR_DEFAULT CONFIG_QEMU_LOCALSTATEDIR "/run" -#define QGA_PIDFILE_DEFAULT QGA_STATEDIR_DEFAULT "/qemu-ga.pid" #ifdef CONFIG_FSFREEZE #define QGA_FSFREEZE_HOOK_DEFAULT CONFIG_QEMU_CONFDIR "/fsfreeze-hook" #endif #define QGA_SENTINEL_BYTE 0xFF +static struct { + const char *state_dir; + const char *pidfile; +} dfl_pathnames; + typedef struct GAPersistentState { #define QGA_PSTATE_DEFAULT_FD_COUNTER 1000 int64_t fd_counter; @@ -106,6 +111,17 @@ DWORD WINAPI service_ctrl_handler(DWORD ctrl, DWORD type, LPVOID data, VOID WINAPI service_main(DWORD argc, TCHAR *argv[]); #endif +static void +init_dfl_pathnames(void) +{ + g_assert(dfl_pathnames.state_dir == NULL); + g_assert(dfl_pathnames.pidfile == NULL); + dfl_pathnames.state_dir = qemu_get_local_state_pathname( + QGA_STATE_RELATIVE_DIR); + dfl_pathnames.pidfile = qemu_get_local_state_pathname( + QGA_STATE_RELATIVE_DIR G_DIR_SEPARATOR_S "qemu-ga.pid"); +} + static void quit_handler(int sig) { /* if we're frozen, don't exit unless we're absolutely forced to, @@ -198,11 +214,11 @@ static void usage(const char *cmd) " -h, --help display this help and exit\n" "\n" "Report bugs to <mdroth@linux.vnet.ibm.com>\n" - , cmd, QEMU_VERSION, QGA_VIRTIO_PATH_DEFAULT, QGA_PIDFILE_DEFAULT, + , cmd, QEMU_VERSION, QGA_VIRTIO_PATH_DEFAULT, dfl_pathnames.pidfile, #ifdef CONFIG_FSFREEZE QGA_FSFREEZE_HOOK_DEFAULT, #endif - QGA_STATEDIR_DEFAULT); + dfl_pathnames.state_dir); } static const char *ga_log_level_str(GLogLevelFlags level) @@ -908,11 +924,11 @@ int main(int argc, char **argv) const char *sopt = "hVvdm:p:l:f:F::b:s:t:"; const char *method = NULL, *path = NULL; const char *log_filepath = NULL; - const char *pid_filepath = QGA_PIDFILE_DEFAULT; + const char *pid_filepath; #ifdef CONFIG_FSFREEZE const char *fsfreeze_hook = NULL; #endif - const char *state_dir = QGA_STATEDIR_DEFAULT; + const char *state_dir; #ifdef _WIN32 const char *service = NULL; #endif @@ -942,6 +958,10 @@ int main(int argc, char **argv) module_call_init(MODULE_INIT_QAPI); + init_dfl_pathnames(); + pid_filepath = dfl_pathnames.pidfile; + state_dir = dfl_pathnames.state_dir; + while ((ch = getopt_long(argc, argv, sopt, lopt, &opt_ind)) != -1) { switch (ch) { case 'm': @@ -1002,7 +1022,16 @@ int main(int argc, char **argv) case 's': service = optarg; if (strcmp(service, "install") == 0) { - return ga_install_service(path, log_filepath); + const char *fixed_state_dir; + + /* If the user passed the "-t" option, we save that state dir + * in the service. Otherwise we let the service fetch the state + * dir from the environment when it starts. + */ + fixed_state_dir = (state_dir == dfl_pathnames.state_dir) ? + NULL : + state_dir; + return ga_install_service(path, log_filepath, fixed_state_dir); } else if (strcmp(service, "uninstall") == 0) { return ga_uninstall_service(); } else { @@ -1021,6 +1050,20 @@ int main(int argc, char **argv) } } +#ifdef _WIN32 + /* On win32 the state directory is application specific (be it the default + * or a user override). We got past the command line parsing; let's create + * the directory (with any intermediate directories). If we run into an + * error later on, we won't try to clean up the directory, it is considered + * persistent. + */ + if (g_mkdir_with_parents(state_dir, S_IRWXU) == -1) { + g_critical("unable to create (an ancestor of) the state directory" + " '%s': %s", state_dir, strerror(errno)); + return EXIT_FAILURE; + } +#endif + s = g_malloc0(sizeof(GAState)); s->log_level = log_level; s->log_file = stderr; |