Commands can contain $TERM to allow running apps in terminal.

Some heuristic gui/console determination, but pretty sucks for now.
This commit is contained in:
Sanel Zukan 2007-08-31 13:41:27 +00:00
parent aced43a39a
commit 8c57ce3e43
4 changed files with 94 additions and 9 deletions

View File

@ -19,6 +19,7 @@
#include "Autostart.h"
#include <edelib/File.h>
#include <edelib/Regex.h>
#include <edelib/Config.h>
#include <edelib/DesktopFile.h>
#include <edelib/Directory.h>
@ -465,16 +466,93 @@ void EvokeService::service_watcher(int pid, int signum) {
* Execute program. It's return status
* will be reported via service_watcher()
*/
void EvokeService::run_program(const char* cmd) {
void EvokeService::run_program(const char* cmd, bool enable_vars) {
EASSERT(cmd != NULL);
edelib::String scmd(cmd);
pid_t child;
int r = spawn_program_with_core(cmd, service_watcher_cb, &child);
if(enable_vars && scmd.length() > 6) {
if(scmd.substr(0, 6) == "$TERM ") {
char* term = getenv("TERM");
if(!term)
term = "xterm";
edelib::String tmp(term);
tmp += " -e ";
tmp += scmd.substr(6, scmd.length());
scmd = tmp;
}
}
int r = spawn_program_with_core(scmd.c_str(), service_watcher_cb, &child);
if(r != 0)
edelib::alert("Unable to start %s. Got code %i", cmd, r);
else
register_process(cmd, child);
register_process(scmd.c_str(), child);
}
void EvokeService::heuristic_run_program(const char* cmd) {
if(strncmp(cmd, "$TERM ", 6) == 0) {
run_program(cmd);
return;
}
edelib::String ldd = edelib::file_path("ldd");
if(ldd.empty()) {
run_program(cmd);
return;
}
ldd += " ";
ldd += edelib::file_path(cmd);
int r = spawn_program(ldd.c_str(), 0, 0, "/tmp/eshrun");
printf("%s\n", ldd.c_str());
if(r != 0) {
printf("spawn %i\n", r);
return;
}
sleep(1);
//edelib::File f;
FILE* f = fopen("/tmp/eshrun", "r");
if(!f) {
puts("File::open");
return;
} else {
puts("opened /tmp/eshrun");
}
edelib::Regex rx;
rx.compile("^\\s*libX11");
char buff[1024];
bool is_gui = 0;
while(fgets(buff, sizeof(buff)-1, f)) {
printf("checking %s\n", buff);
if(rx.match(buff)) {
printf("found libX11\n");
is_gui = 1;
//break;
}
}
fclose(f);
edelib::String fcmd;
if(!is_gui) {
fcmd = "$TERM ";
fcmd += cmd;
} else {
fcmd = cmd;
}
run_program(fcmd.c_str());
}
void EvokeService::register_process(const char* cmd, pid_t pid) {
@ -545,6 +623,7 @@ int EvokeService::handle(const XEvent* ev) {
if(get_string_property_value(_ede_spawn, buff, sizeof(buff))) {
logfile->printf("Got _EVOKE_SPAWN with %s. Starting client...\n", buff);
run_program(buff);
//heuristic_run_program(buff);
} else {
logfile->printf("Got _EVOKE_SPAWN with malformed data. Ignoring...\n");
}

View File

@ -79,7 +79,8 @@ class EvokeService {
void unregister_top(void) { top_win = NULL; }
void service_watcher(int pid, int signum);
void run_program(const char* cmd);
void run_program(const char* cmd, bool enable_vars = 1);
void heuristic_run_program(const char* cmd);
void register_process(const char* cmd, pid_t pid);
void unregister_process(pid_t pid);
bool find_and_unregister_process(pid_t pid, EvokeProcess& pc);

View File

@ -49,7 +49,7 @@ void sigchld_handler(int sig) {
} while(pid <= 0 && errno == EINTR);
}
int spawn_program(const char* cmd, SignalWatch wf, pid_t* child_pid_ret) {
int spawn_program(const char* cmd, SignalWatch wf, pid_t* child_pid_ret, const char* ofile) {
if(!cmd)
return SPAWN_EMPTY;
@ -84,15 +84,19 @@ int spawn_program(const char* cmd, SignalWatch wf, pid_t* child_pid_ret) {
* The following is to avoid X locking when executing
* terminal based application that requires user input
*/
if((nulldev = open("/dev/null", O_RDWR)) == -1)
return SPAWN_FORK_FAILED;
if(ofile)
nulldev = open(ofile, O_WRONLY | O_TRUNC | O_CREAT, 0770);
else
nulldev = open("/dev/null", O_RDWR);
if(nulldev == -1)
return SPAWN_OPEN_FAILED;
/* TODO: redirect these to EvokeService log */
close(0); dup(nulldev);
close(1); dup(nulldev);
close(2); dup(nulldev);
if(execve(argv[0], argv, environ) == -1) {
close(nulldev);
// should not get here

View File

@ -26,13 +26,14 @@
#define SPAWN_FORK_FAILED 1
#define SPAWN_EMPTY 2
#define SPAWN_EXECVE_FAILED 3
#define SPAWN_OPEN_FAILED 4
#define SPAWN_CHILD_CRASHED -2
#define SPAWN_CHILD_KILLED -3
typedef void (SignalWatch)(int pid, int status);
int spawn_program(const char* cmd, SignalWatch* wf = 0, pid_t* child_pid_ret = 0);
int spawn_program(const char* cmd, SignalWatch* wf = 0, pid_t* child_pid_ret = 0, const char* ofile = 0);
int spawn_program_with_core(const char* cmd, SignalWatch* wf = 0, pid_t* child_pid_ret = 0);
int spawn_backtrace(const char* program, const char* core, const char* output, const char* script);