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FIFO stuff, smaller changes

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git-svn-id: https://geany.svn.sourceforge.net/svnroot/geany/trunk@194 ea778897-0a13-0410-b9d1-a72fbfd435f5
This commit is contained in:
Enrico Tröger 2006-02-10 21:06:41 +00:00
parent bdd5c2573f
commit 7f6c628148
1 changed files with 109 additions and 7 deletions
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116
src/main.c
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@ -23,7 +23,12 @@
#include <signal.h>
#include <time.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include <fcntl.h>
#include <errno.h>
#include <string.h>
#include "geany.h"
@ -45,6 +50,7 @@
#endif
static gchar fifo_name[512];
static gboolean debug_mode = FALSE;
static gboolean ignore_global_tags = FALSE;
static gboolean no_vte = FALSE;
@ -67,6 +73,8 @@ static GOptionEntry entries[] =
};
/* Geany main debug function */
void geany_debug(gchar const *format, ...)
{
#ifndef GEANY_DEBUG
@ -84,7 +92,7 @@ void geany_debug(gchar const *format, ...)
/* special things for the initial setup of the checkboxes and related stuff
* an action on a setting is only performed if the setting is not equal to the program default
* (all the following code is not perfect but it works for the moment) */
void apply_settings(void)
static void apply_settings(void)
{
// toolbar, message window and tagbar are by default visible, so don't change it if it is true
if (! app->toolbar_visible)
@ -197,7 +205,7 @@ void apply_settings(void)
}
gint main_init(void)
static gint main_init(void)
{
gint mkdir_result;
@ -217,6 +225,7 @@ gint main_init(void)
#ifdef HAVE_VTE
app->lib_vte = lib_vte;
#endif
app->window = NULL;
app->search_text = NULL;
app->build_args_inc = NULL;
app->build_args_libs = NULL;
@ -303,6 +312,95 @@ gint main_init(void)
}
static gboolean read_fifo(GIOChannel *source, GIOCondition condition, gpointer data)
{
GIOStatus status;
gchar *read_data = NULL;
gint len = 0;
status = g_io_channel_read_to_end(source, &read_data, &len, NULL);
// try to interpret the received data as a filename, otherwise do nothing
if (g_file_test(read_data, G_FILE_TEST_IS_REGULAR | G_FILE_TEST_IS_SYMLINK))
{
document_open_file(-1, read_data, 0, FALSE, NULL);
}
else
{
geany_debug("got data from named pipe, but could not interpret it (this is nothing critical, just a notice)");
}
g_free(read_data);
return TRUE;
}
static void write_fifo(gint argc, gchar **argv)
{
GIOChannel *ioc = g_io_channel_unix_new(open(fifo_name, O_WRONLY));
gint i;
for(i = 1; i < argc; i++)
{
geany_debug(argv[i]);
if (argv[i] && g_file_test(argv[i], G_FILE_TEST_IS_REGULAR || G_FILE_TEST_IS_SYMLINK))
{
g_io_channel_write_chars(ioc, argv[i], -1, NULL, NULL);
//g_io_channel_flush(ioc, NULL);
}
}
g_io_channel_shutdown(ioc, TRUE, NULL);
}
/* creates a named pipe in GEANY_FIFO_NAME, to communicate with new instances of Geany
* to submit filenames and possibly other things */
static void create_fifo(gint argc, gchar **argv)
{
struct stat st;
gchar *tmp;
GIOChannel *ioc;
if (alternate_config)
tmp = g_strconcat(alternate_config, G_DIR_SEPARATOR_S, GEANY_FIFO_NAME, NULL);
else
tmp = g_strconcat(GEANY_HOME_DIR, G_DIR_SEPARATOR_S, ".", PACKAGE, G_DIR_SEPARATOR_S, GEANY_FIFO_NAME, NULL);
strncpy(fifo_name, tmp, MAX(strlen(tmp), sizeof(fifo_name)));
g_free(tmp);
if (stat(fifo_name, &st) == 0 && (! S_ISFIFO(st.st_mode)))
{ // the FIFO file exists, but is not a FIFO
unlink(fifo_name);
}
else if (stat(fifo_name, &st) == 0 && S_ISFIFO(st.st_mode))
{ // FIFO exists, there should be a running instance of Geany
if (argc > 1)
{
geany_debug("using running instance of Geany");
write_fifo(argc, argv);
}
else
{
printf(_("Geany is exiting because a named pipe was found. Mostly this means, Geany is already running. If Geany is not running, please delete the file %s and start Geany again.\n"), fifo_name);
}
exit(0);
}
// there is no Geany running, create fifo and start as usual, so we are a kind of server
geany_debug("trying to create a new named pipe");
if ((mkfifo(fifo_name, S_IRUSR | S_IWUSR)) == -1)
{
if(errno != EEXIST) geany_debug("creating of a named pipe for IPC failed!");
}
//channel = g_io_channel_new_file(fifo_name, "r", NULL);
ioc = g_io_channel_unix_new(open(fifo_name, O_RDONLY | O_NONBLOCK));
g_io_add_watch(ioc, G_IO_IN | G_IO_PRI, read_fifo, NULL);
}
gint main(gint argc, gchar **argv)
{
GError *error = NULL;
@ -314,7 +412,6 @@ gint main(gint argc, gchar **argv)
this_month = tm->tm_mon + 1;
this_day = tm->tm_mday;
#ifdef ENABLE_NLS
bindtextdomain(GETTEXT_PACKAGE, PACKAGE_LOCALE_DIR);
bind_textdomain_codeset(GETTEXT_PACKAGE, "UTF-8");
@ -322,8 +419,6 @@ gint main(gint argc, gchar **argv)
#endif
gtk_set_locale();
signal(SIGTERM, signal_cb);
context = g_option_context_new(_(" - A fast and lightweight IDE"));
g_option_context_add_main_entries(context, entries, GETTEXT_PACKAGE);
g_option_context_add_group(context, gtk_get_option_group(TRUE));
@ -341,6 +436,11 @@ gint main(gint argc, gchar **argv)
return (0);
}
signal(SIGTERM, signal_cb);
signal(SIGUSR1, signal_cb);
create_fifo(argc, argv);
gtk_init(&argc, &argv);
mkdir_result = main_init();
@ -395,7 +495,7 @@ gint main(gint argc, gchar **argv)
{
if (opened < GEANY_MAX_OPEN_FILES)
{
document_open_file(-1, argv[i], 0, FALSE);
document_open_file(-1, argv[i], 0, FALSE, NULL);
opened++;
}
else
@ -439,3 +539,5 @@ gint main(gint argc, gchar **argv)
}