* Kristen Carlson Accardi <kris...@linux.intel.com> [2010-03-22 17:06:01 -0700]:
> Implement new options for gsmdial to use PPP and set the user name and
> password for authentication if needed.
> ---
> gatchat/gsmdial.c | 87
> +++++++++++++++++++++++++++++++++++++++++++++++++++--
> 1 files changed, 84 insertions(+), 3 deletions(-)
>
> diff --git a/gatchat/gsmdial.c b/gatchat/gsmdial.c
> index 2087e70..aee9eea 100644
> --- a/gatchat/gsmdial.c
> +++ b/gatchat/gsmdial.c
> @@ -36,6 +36,7 @@
> #include <glib.h>
> #include <gatchat.h>
> #include <gattty.h>
> +#include <gatppp.h>
>
> static const char *none_prefix[] = { NULL };
> static const char *cgreg_prefix[] = { "+CGREG:", NULL };
> @@ -48,7 +49,11 @@ static gint option_cid = 0;
> static gchar *option_apn = NULL;
> static gint option_offmode = 0;
> static gboolean option_legacy = FALSE;
> +static gboolean option_ppp = FALSE;
> +static gchar *option_username = NULL;
> +static gchar *option_password = NULL;
>
> +static GAtPPP *ppp;
> static GAtChat *control;
> static GAtChat *modem;
> static GMainLoop *event_loop;
> @@ -223,6 +228,76 @@ static void at_cgact_up_cb(gboolean ok, GAtResult
> *result, gpointer user_data)
> g_at_chat_send(modem, buf, none_prefix, NULL, NULL, NULL);
> }
>
> +static void print_ip_address(const char *label, guint32 ip_addr)
> +{
> + struct in_addr addr;
> + char buf[INET_ADDRSTRLEN];
> +
> + addr.s_addr = ip_addr;
> +
> + if (inet_ntop(AF_INET, &addr, buf, INET_ADDRSTRLEN))
> + g_print("%s: %s\n", label, buf);
> +}
> +
> +static void ppp_connect(GAtPPP *ppp, GAtPPPConnectStatus success,
> + guint32 ip_addr, guint32 dns1, guint32 dns2,
> + gpointer user_data)
> +{
> + if (success != G_AT_PPP_CONNECT_SUCCESS) {
> + g_print("Failed to create PPP interface!\n");
> + return;
> + }
> +
> + /* print out the negotiated address and dns server */
> + print_ip_address("IP Address", ip_addr);
> + print_ip_address("Primary DNS Server", dns1);
> + print_ip_address("Secondary DNS Server", dns2);
> +}
> +
> +static void ppp_disconnect(GAtPPP *ppp, gpointer user_data)
> +{
> + g_print("PPP Link down\n");
> +}
> +
> +static void connect_cb(gboolean ok, GAtResult *result, gpointer user_data)
> +{
> + GIOChannel *channel;
> +
> + if (!ok) {
> + g_print("Unable to define context\n");
> + exit(1);
I guess we should not call exit here. Just return.
> + }
> +
> + if (option_ppp == FALSE)
> + return;
> +
> + /* get the data IO channel */
> + channel = g_at_chat_get_channel(modem);
> +
> + /*
> + * shutdown gatchat or else it tries to take all the input
> + * from the modem and does not let PPP get it.
> + */
> + g_at_chat_shutdown(control);
> + g_at_chat_shutdown(modem);
> +
> + /* open ppp */
> + ppp = g_at_ppp_new(channel);
> + if (!ppp) {
> + g_print("Unable to create PPP object\n");
> + return;
> + }
> + g_at_ppp_set_credentials(ppp, option_username,
> + option_password);
> +
> + /* set connect and disconnect callbacks */
> + g_at_ppp_set_connect_function(ppp, ppp_connect, NULL);
> + g_at_ppp_set_disconnect_function(ppp, ppp_disconnect, NULL);
> +
> + /* open the ppp connection */
> + g_at_ppp_open(ppp);
> +}
> +
> static void at_cgdcont_cb(gboolean ok, GAtResult *result, gpointer user_data)
> {
> char buf[64];
> @@ -233,9 +308,9 @@ static void at_cgdcont_cb(gboolean ok, GAtResult *result,
> gpointer user_data)
> }
>
> if (option_legacy == TRUE) {
> - sprintf(buf, "ATD*99***%u#", option_cid);
> - g_at_chat_send(modem, buf, none_prefix,
> - NULL, NULL, NULL);
> + sprintf(buf, "ATD*99***%u#", option_cid);
> + g_at_chat_send(modem, buf, none_prefix,
> + connect_cb, NULL, NULL);
> } else {
> sprintf(buf, "AT+CGACT=1,%u", option_cid);
> g_at_chat_send(control, buf, none_prefix,
> @@ -452,6 +527,12 @@ static GOptionEntry options[] = {
> "Specify CFUN offmode" },
> { "legacy", 'l', 0, G_OPTION_ARG_NONE, &option_legacy,
> "Use ATD*99***<cid>#" },
> + { "ppp", 'P', 0, G_OPTION_ARG_NONE, &option_ppp,
> + "Connect using PPP" },
> + { "username", 'u', 0, G_OPTION_ARG_STRING, &option_username,
> + "Specify PPP username" },
> + { "password", 'w', 0, G_OPTION_ARG_STRING, &option_password,
> + "Specifiy PPP password" },
> { NULL },
> };
>
> --
> 1.6.6.1
>
> _______________________________________________
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> ofono@ofono.org
> http://lists.ofono.org/listinfo/ofono
--
Gustavo F. Padovan
ProFUSION embedded systems - http://profusion.mobi
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