SPICE之spicy主函数源码分析

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我是靠谱客的博主迷人小蝴蝶，最近开发中收集的这篇文章主要介绍SPICE之spicy主函数源码分析，觉得挺不错的，现在分享给大家，希望可以做个参考。

概述

int main(int argc, char *argv[])
{
GError *error = NULL;
GOptionContext *context;
spice_connection *conn;
gchar *conf_file, *conf;
char *host = NULL, *port = NULL, *tls_port = NULL;
#if !GLIB_CHECK_VERSION(2,31,18)
g_thread_init(NULL);
#endif
/*国际化*/
bindtextdomain(GETTEXT_PACKAGE, SPICE_GTK_LOCALEDIR);
bind_textdomain_codeset(GETTEXT_PACKAGE, "UTF-8");
textdomain(GETTEXT_PACKAGE);
/*信号处理函数*/
signal(SIGINT, signal_handler);
signal(SIGTERM, signal_handler);
segv_handler = signal(SIGSEGV, signal_handler);
abrt_handler = signal(SIGABRT, signal_handler);
fpe_handler = signal(SIGFPE, signal_handler);
ill_handler = signal(SIGILL, signal_handler);
#ifndef WIN32
signal(SIGHUP, signal_handler);
bus_handler = signal(SIGBUS, signal_handler);
#endif
/*读取配置文件*/
keyfile = g_key_file_new();
int mode = S_IRWXU;
conf_file = g_build_filename(g_get_user_config_dir(), "spicy", NULL);
if (g_mkdir_with_parents(conf_file, mode) == -1)
SPICE_DEBUG("failed to create config directory");
g_free(conf_file);
conf_file = g_build_filename(g_get_user_config_dir(), "spicy", "settings", NULL);
if (!g_key_file_load_from_file(keyfile, conf_file,
G_KEY_FILE_KEEP_COMMENTS|G_KEY_FILE_KEEP_TRANSLATIONS, &error)) {
SPICE_DEBUG("Couldn't load configuration: %s", error->message);
g_clear_error(&error);
}
/*解析命令行传入的参数*/
/* parse opts */
gtk_init(&argc, &argv);
context = g_option_context_new(_("- spice client test application"));
g_option_context_set_summary(context, _("Gtk+ test client to connect to Spice servers."));
g_option_context_set_description(context, _("Report bugs to " PACKAGE_BUGREPORT "."));
g_option_context_add_group(context, spice_get_option_group());
g_option_context_set_main_group(context, spice_cmdline_get_option_group());
g_option_context_add_main_entries(context, cmd_entries, NULL);
g_option_context_add_group(context, gtk_get_option_group(TRUE));
if (!g_option_context_parse (context, &argc, &argv, &error)) {
g_print(_("option parsing failed: %sn"), error->message);
exit(1);
}
g_option_context_free(context);
if (version) {
g_print("spicy " PACKAGE_VERSION "n");
exit(0);
}
g_type_init();
mainloop = g_main_loop_new(NULL, false);
/*设置conn的通道默认回调函数，设置内部默认参数，读取命令行参数*/
conn = connection_new();
spice_set_session_option(conn->session);
spice_cmdline_session_setup(conn->session);
g_object_get(conn->session,
"host", &host,
"port", &port,
"tls-port", &tls_port,
NULL);
/* If user doesn't provide hostname and port, show the dialog window
instead of connecting to server automatically */
if (host == NULL || (port == NULL && tls_port == NULL)) {
int ret = connect_dialog(conn->session);
if (ret != 0) {
exit(0);
}
}
g_free(host);
g_free(port);
g_free(tls_port);
watch_stdin();
/*创建主通道，激活channel_new（）*/
connection_connect(conn);
if (connections > 0)
g_main_loop_run(mainloop);
g_main_loop_unref(mainloop);
if ((conf = g_key_file_to_data(keyfile, NULL, &error)) == NULL ||
!g_file_set_contents(conf_file, conf, -1, &error)) {
SPICE_DEBUG("Couldn't save configuration: %s", error->message);
g_error_free(error);
error = NULL;
}
g_free(conf_file);
g_free(conf);
g_key_file_free(keyfile);
g_free(spicy_title);
setup_terminal(true);
return 0;
}