Re: what's problem in GIOChannel ?

["chen.shengqi" <chen shengqi connet com tw>]

I thank I get it.
after g_io_channel_unix_new, I call g_io_set_encoding( to NULL)  and g_io_set_flags( add G_IO_FLAG_NONBLOCK 
). it ok now.
thanks.

----- Original Message ----- 
From: "Martyn Russell" <ginxd btopenworld com>
To: "chen.shengqi" <chen shengqi connet com tw>
Cc: <gtk-app-devel-list gnome org>
Sent: Saturday, September 28, 2002 2:06 AM
Subject: Re: what's problem in GIOChannel ?


> chen.shengqi wrote:
>
> > dear sirs:
> >     I use following code to connect to 192.141.140.2:9999, when read data,recvbytes is  28( include data 
> > in first packet and 2bytes in second packet ) and ret=1, then recvbytes always return 0,and ret=0, but 
> > server should send serval packet, first packet is 26bytes,and following packet is large than 26 bytes, 
> > total are large then 1024 bytes. If I use telnet connect to the port, telnet can receive data correctly. 
> > How should I use GIOChannel?
> >    thanks.
> >
> >
> > int swarefd=-1;
> > GIOChannel *SwareSocketChannel=NULL;
> >
> > void
> > on_open1_activate                      (GtkMenuItem     *menuitem,
> >                                        gpointer         user_data)
> > {
> >    printf("open now\n");
> >    swarefd = connect_to_sware("192.141.140.6",9999);
> >    if (swarefd<0) { printf("connect_to_sware failed\n"); return; }
> >    printf("connect_to_sware ok swarefd=%d\n",swarefd);
> >    SwareSocketChannel = g_io_channel_unix_new(swarefd);
> >    if (SwareSocketChannel==NULL) { printf("g_io_channel_unix_new failed \n"); return; }
> >    printf("g_io_channel_unix_new ok \n");
> >    g_io_add_watch(SwareSocketChannel, G_IO_IN | G_IO_PRI | G_IO_HUP, read_data_from_socket,NULL);
> >    printf("g_io_add_watch ok \n");
> >    return;
> > }
> >
> >
> > /* read data on socket */
> > gboolean read_data_from_socket(GIOChannel *source, GIOCondition condition, gpointer data)
> > {
> >    gchar recvbuf[2048];
> >    GError *err=NULL;
> >    GIOStatus ret;
> >    int recvbytes=0;
> >    ret=g_io_channel_read_chars(source, recvbuf,2048,&recvbytes,&err);
> >    printf("condition=%d,read return %d, recvbytes=%d\n",condition,ret,recvbytes);
> >    if (recvbytes>0) debug_hex("read_data_from_socket",recvbuf,recvbytes,1);
> >    return TRUE;
> > }
> >
> >
> > ????^介e??fj)b? b藏-??iu朕?X?? ???+?m???j)`???????ē????+-?w棹 dj?]z鳐?+-
>
>
> Might I suggest you use gtk_input_add. It is better at handling sockets
> than g_io_channel. (unless your application is completely GLIB based and
> includes NO GTK, but if that was the case you wouldnt be on this list
> right!).
>
> Regards,
>
> Martyn