The function at_util_get_cgdcont_command computes the AT+CGDCONT
string, as per 3GPP 27.007.
It uses a second function, at_util_gprs_proto_to_pdp_type,
that returns the pdp_type string for the command
---
drivers/atmodem/atutil.c | 27 +++++++++++++++++++++++++++
drivers/atmodem/atutil.h | 13 +++++++++++++
2 files changed, 40 insertions(+)
diff --git a/drivers/atmodem/atutil.c b/drivers/atmodem/atutil.c
index ed57b55a..7725513a 100644
--- a/drivers/atmodem/atutil.c
+++ b/drivers/atmodem/atutil.c
@@ -670,3 +670,30 @@ int at_util_auth_type_from_method(enum
ofono_gprs_auth_method auth_method)
return 0;
}
+
+const char *at_util_gprs_proto_to_pdp_type(enum ofono_gprs_proto proto)
+{
+ switch (proto) {
+ case OFONO_GPRS_PROTO_IPV6:
+ return "IPV6";
+ case OFONO_GPRS_PROTO_IPV4V6:
+ return "IPV4V6";
+ break;
+ case OFONO_GPRS_PROTO_IP:
+ return "IP";
+ }
+
+ return NULL;
+}
+
+char *at_util_get_cgdcont_command(guint cid, enum ofono_gprs_proto proto,
+ const char *apn)
+{
+ const char *pdp_type = at_util_gprs_proto_to_pdp_type(proto);
+
+ if (!apn)
+ return g_strdup_printf("AT+CGDCONT=%u", cid);
+
+ return g_strdup_printf("AT+CGDCONT=%u,\"%s\",\"%s\"", cid, pdp_type,
+ apn);
+}
diff --git a/drivers/atmodem/atutil.h b/drivers/atmodem/atutil.h
index 006ad65a..a924b6f0 100644
--- a/drivers/atmodem/atutil.h
+++ b/drivers/atmodem/atutil.h
@@ -89,6 +89,19 @@ int at_util_get_ipv4_address_and_netmask(const char
*addrnetmask,
int at_util_auth_type_from_method(enum ofono_gprs_auth_method auth_method);
+const char *at_util_gprs_proto_to_pdp_type(enum ofono_gprs_proto proto);
+
+/*
+ * at_util_get_cgdcont_command
+ * if the apn pointer is NULL, the context will be removed: the resulting
+ * string will be like: AT+CGDCONT=7
+ * but if apn pointer is not NULL and the string is empty, then
+ * this function will create a normal context with empty apn, like:
+ * AT+CGDCONT=4,"IPV6",""
+ */
+char *at_util_get_cgdcont_command(guint cid, enum ofono_gprs_proto proto,
+ const char *apn);
+
struct cb_data {
void *cb;
void *data;
--
2.17.1
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