X-Git-Url: http://git.tuebingen.mpg.de/?p=paraslash.git;a=blobdiff_plain;f=send_common.c;h=448ddfec0f83692f0fa144487418df3a9b02fad7;hp=f570273f6c3b5d4aaa71133463d16c54149efc69;hb=3814235eb90a9952413e2bc71f66d01598717384;hpb=6ba0a5055cfdec25d54d90a56f9345d5d4be09be

diff --git a/send_common.c b/send_common.c
index f570273f..448ddfec 100644
--- a/send_common.c
+++ b/send_common.c
@@ -393,3 +393,76 @@ char *generic_sender_help(void)
 		"example: allow 127.0.0.1 32\n"
 	);
 }
+
+static int parse_fec_parms(const char *arg, struct sender_command_data *scd)
+{
+	int32_t val;
+	char *a = para_strdup(arg), *b = a, *e = strchr(b, ':');
+	int ret = -E_COMMAND_SYNTAX;
+
+	/* parse max slice bytes */
+	if (!e)
+		goto out;
+	*e = '\0';
+	ret = para_atoi32(b, &val);
+	if (ret < 0)
+		goto out;
+	ret = -ERRNO_TO_PARA_ERROR(EINVAL);
+	if (val < 0 || val > 65535)
+		goto out;
+	scd->max_slice_bytes = val;
+	/* parse data_slices_per_group */
+	b = e + 1;
+	e = strchr(b, ':');
+	ret = -E_COMMAND_SYNTAX;
+	if (!e)
+		goto out;
+	*e = '\0';
+	ret = para_atoi32(b, &val);
+	if (ret < 0)
+		goto out;
+	ret = -ERRNO_TO_PARA_ERROR(EINVAL);
+	if (val < 0 || val > 255)
+		goto out;
+	scd->data_slices_per_group = val;
+	/* parse slices_per_group */
+	b = e + 1;
+	ret = para_atoi32(b, &val);
+	if (ret < 0)
+		goto out;
+	ret = -ERRNO_TO_PARA_ERROR(EINVAL);
+	if (val < 0 || val < scd->data_slices_per_group)
+		goto out;
+	scd->slices_per_group = val;
+	ret = 0;
+out:
+	free(a);
+	return ret;
+}
+
+int parse_fec_url(const char *arg, struct sender_command_data *scd)
+{
+	int ret;
+	ssize_t len = sizeof(scd->host);
+	char *a = para_strdup(arg), *p = strchr(a, '/');
+
+	if (p) {
+		*p = '\0';
+		len = strlen(a);
+	}
+	ret = -ERRNO_TO_PARA_ERROR(EINVAL);
+	if (!parse_url(a, scd->host, len, &scd->port))
+		goto out;
+	if (p) {
+		ret = parse_fec_parms(p + 1, scd);
+		goto out;
+	}
+	/* use default fec parameters. */
+	scd->max_slice_bytes = 1490;
+	scd->slices_per_group = 16;
+	scd->data_slices_per_group = 14;
+	ret = 0;
+out:
+	free(a);
+	return ret;
+}