static int
sdp_append_time_descr (char *string, int size, char *tmp,
sdp_time_descr_t * time_descr, char **next_tmp)
{
int pos;
if (time_descr->t_start_time == NULL)
return -1;
if (time_descr->t_stop_time == NULL)
return -1;
tmp = __osip_sdp_append_string (string, size, tmp, "t=");
tmp =
__osip_sdp_append_string (string, size, tmp, time_descr->t_start_time);
tmp = __osip_sdp_append_string (string, size, tmp, " ");
tmp = __osip_sdp_append_string (string, size, tmp, time_descr->t_stop_time);
tmp = __osip_sdp_append_string (string, size, tmp, CRLF);
pos = 0;
while (!osip_list_eol (time_descr->r_repeats, pos))
{
char *str = (char *) osip_list_get (time_descr->r_repeats, pos);
tmp = __osip_sdp_append_string (string, size, tmp, "r=");
tmp = __osip_sdp_append_string (string, size, tmp, str);
tmp = __osip_sdp_append_string (string, size, tmp, CRLF);
pos++;
}
*next_tmp = tmp;
return 0;
}
static int
sdp_append_key (char *string, int size, char *tmp, sdp_key_t * key,
char **next_tmp)
{
if (key->k_keytype == NULL)
return -1;
tmp = __osip_sdp_append_string (string, size, tmp, "k=");
tmp = __osip_sdp_append_string (string, size, tmp, key->k_keytype);
if (key->k_keydata != NULL)
{
tmp = __osip_sdp_append_string (string, size, tmp, ":");
tmp = __osip_sdp_append_string (string, size, tmp, key->k_keydata);
}
tmp = __osip_sdp_append_string (string, size, tmp, CRLF);
*next_tmp = tmp;
return 0;
}
static int
sdp_append_bandwidth (char *string, int size, char *tmp,
sdp_bandwidth_t * bandwidth, char **next_tmp)
{
if (bandwidth->b_bwtype == NULL)
return -1;
if (bandwidth->b_bandwidth == NULL)
return -1;
tmp = __osip_sdp_append_string (string, size, tmp, "b=");
tmp = __osip_sdp_append_string (string, size, tmp, bandwidth->b_bwtype);
tmp = __osip_sdp_append_string (string, size, tmp, ":");
tmp = __osip_sdp_append_string (string, size, tmp, bandwidth->b_bandwidth);
tmp = __osip_sdp_append_string (string, size, tmp, CRLF);
*next_tmp = tmp;
return 0;
}
/* internal facility */
int
sdp_append_attribute (char *string, int size, char *tmp,
sdp_attribute_t * attribute, char **next_tmp)
{
if (attribute->a_att_field == NULL)
return -1;
tmp = __osip_sdp_append_string (string, size, tmp, "a=");
tmp = __osip_sdp_append_string (string, size, tmp, attribute->a_att_field);
if (attribute->a_att_value != NULL)
{
tmp = __osip_sdp_append_string (string, size, tmp, ":");
tmp = __osip_sdp_append_string (string, size, tmp, attribute->a_att_value);
}
tmp = __osip_sdp_append_string (string, size, tmp, CRLF);
*next_tmp = tmp;
return 0;
}
int
sdp_message_to_str (sdp_message_t * sdp, char **dest)
{
int size;
int pos;
char *tmp;
char *string;
*dest = NULL;
if (sdp->v_version == NULL)
return -1;
if (sdp->o_username == NULL ||
sdp->o_sess_id == NULL ||
sdp->o_sess_version == NULL ||
sdp->o_nettype == NULL || sdp->o_addrtype == NULL
|| sdp->o_addr == NULL)
return -1;
/* RFC says "s=" is mandatory... rfc2543 (SIP) recommends to
accept SDP datas without s_name... as some buggy implementations
often forget it...
*/
/* if (sdp->s_name == NULL)
return -1; */
size = 4000;
tmp = (char *) osip_malloc (size);
string = tmp;
tmp = __osip_sdp_append_string (string, size, tmp, "v=");
tmp = __osip_sdp_append_string (string, size, tmp, sdp->v_version);
tmp = __osip_sdp_append_string (string, size, tmp, CRLF);
tmp = __osip_sdp_append_string (string, size, tmp, "o=");
tmp = __osip_sdp_append_string (string, size, tmp, sdp->o_username);
tmp = __osip_sdp_append_string (string, size, tmp, " ");
tmp = __osip_sdp_append_string (string, size, tmp, sdp->o_sess_id);
tmp = __osip_sdp_append_string (string, size, tmp, " ");
tmp = __osip_sdp_append_string (string, size, tmp, sdp->o_sess_version);
tmp = __osip_sdp_append_string (string, size, tmp, " ");
tmp = __osip_sdp_append_string (string, size, tmp, sdp->o_nettype);
tmp = __osip_sdp_append_string (string, size, tmp, " ");
tmp = __osip_sdp_append_string (string, size, tmp, sdp->o_addrtype);
tmp = __osip_sdp_append_string (string, size, tmp, " ");
tmp = __osip_sdp_append_string (string, size, tmp, sdp->o_addr);
tmp = __osip_sdp_append_string (string, size, tmp, CRLF);
if (sdp->s_name != NULL)
{
tmp = __osip_sdp_append_string (string, size, tmp, "s=");
tmp = __osip_sdp_append_string (string, size, tmp, sdp->s_name);
tmp = __osip_sdp_append_string (string, size, tmp, CRLF);
}
if (sdp->i_info != NULL)
{
tmp = __osip_sdp_append_string (string, size, tmp, "i=");
tmp = __osip_sdp_append_string (string, size, tmp, sdp->i_info);
tmp = __osip_sdp_append_string (string, size, tmp, CRLF);
}
if (sdp->u_uri != NULL)
{
tmp = __osip_sdp_append_string (string, size, tmp, "u=");
tmp = __osip_sdp_append_string (string, size, tmp, sdp->u_uri);
tmp = __osip_sdp_append_string (string, size, tmp, CRLF);
}
pos = 0;
while (!osip_list_eol (sdp->e_emails, pos))
{
char *email = (char *) osip_list_get (sdp->e_emails, pos);
tmp = __osip_sdp_append_string (string, size, tmp, "e=");
tmp = __osip_sdp_append_string (string, size, tmp, email);
tmp = __osip_sdp_append_string (string, size, tmp, CRLF);
pos++;
}
pos = 0;
while (!osip_list_eol (sdp->p_phones, pos))
{
char *phone = (char *) osip_list_get (sdp->p_phones, pos);
tmp = __osip_sdp_append_string (string, size, tmp, "p=");
tmp = __osip_sdp_append_string (string, size, tmp, phone);
tmp = __osip_sdp_append_string (string, size, tmp, CRLF);
pos++;
}
if (sdp->c_connection != NULL)
{
char *next_tmp;
int i;
i =
sdp_append_connection (string, size, tmp, sdp->c_connection,
&next_tmp);
if (i != 0)
return -1;
tmp = next_tmp;
}
pos = 0;
while (!osip_list_eol (sdp->b_bandwidths, pos))
{
sdp_bandwidth_t *header =
(sdp_bandwidth_t *) osip_list_get (sdp->b_bandwidths, pos);
char *next_tmp;
int i;
i = sdp_append_bandwidth (string, size, tmp, header, &next_tmp);
if (i != 0)
return -1;
tmp = next_tmp;
pos++;
}
pos = 0;
while (!osip_list_eol (sdp->t_descrs, pos))
{
sdp_time_descr_t *header =
(sdp_time_descr_t *) osip_list_get (sdp->t_descrs, pos);
char *next_tmp;
int i;
i = sdp_append_time_descr (string, size, tmp, header, &next_tmp);
if (i != 0)
return -1;
tmp = next_tmp;
pos++;
}
if (sdp->z_adjustments != NULL)
{
tmp = __osip_sdp_append_string (string, size, tmp, "z=");
tmp = __osip_sdp_append_string (string, size, tmp, sdp->z_adjustments);
tmp = __osip_sdp_append_string (string, size, tmp, CRLF);
}
if (sdp->k_key != NULL)
{
char *next_tmp;
int i;
i = sdp_append_key (string, size, tmp, sdp->k_key, &next_tmp);
if (i != 0)
return -1;
tmp = next_tmp;
}
pos = 0;
while (!osip_list_eol (sdp->a_attributes, pos))
{
sdp_attribute_t *header =
(sdp_attribute_t *) osip_list_get (sdp->a_attributes, pos);
char *next_tmp;
int i;
i = sdp_append_attribute (string, size, tmp, header, &next_tmp);
if (i != 0)
return -1;
tmp = next_tmp;
pos++;
}
pos = 0;
while (!osip_list_eol (sdp->m_medias, pos))
{
sdp_media_t *header =
(sdp_media_t *) osip_list_get (sdp->m_medias, pos);
char *next_tmp;
int i;
i = sdp_append_media (string, size, tmp, header, &next_tmp);
if (i != 0)
return -1;
tmp = next_tmp;
pos++;
}
*dest = string;
return 0;
}
/* internal facility */
static int
sdp_append_media (char *string, int size, char *tmp, sdp_media_t * media,
char **next_tmp)
{
int pos;
if (media->m_media == NULL)
return -1;
if (media->m_port == NULL)
return -1;
if (media->m_proto == NULL)
return -1;
tmp = __osip_sdp_append_string (string, size, tmp, "m=");
tmp = __osip_sdp_append_string (string, size, tmp, media->m_media);
tmp = __osip_sdp_append_string (string, size, tmp, " ");
tmp = __osip_sdp_append_string (string, size, tmp, media->m_port);
if (media->m_number_of_port != NULL)
{
tmp = __osip_sdp_append_string (string, size, tmp, "/");
tmp =
__osip_sdp_append_string (string, size, tmp, media->m_number_of_port);
}
tmp = __osip_sdp_append_string (string, size, tmp, " ");
tmp = __osip_sdp_append_string (string, size, tmp, media->m_proto);
pos = 0;
while (!osip_list_eol (media->m_payloads, pos))
{
char *str = (char *) osip_list_get (media->m_payloads, pos);
tmp = __osip_sdp_append_string (string, size, tmp, " ");
tmp = __osip_sdp_append_string (string, size, tmp, str);
pos++;
}
tmp = __osip_sdp_append_string (string, size, tmp, CRLF);
if (media->i_info != NULL)
{
tmp = __osip_sdp_append_string (string, size, tmp, "i=");
tmp = __osip_sdp_append_string (string, size, tmp, media->i_info);
tmp = __osip_sdp_append_string (string, size, tmp, CRLF);
}
pos = 0;
while (!osip_list_eol (media->c_connections, pos))
{
sdp_connection_t *conn =
(sdp_connection_t *) osip_list_get (media->c_connections, pos);
char *next_tmp2;
int i;
i = sdp_append_connection (string, size, tmp, conn, &next_tmp2);
if (i != 0)
return -1;
tmp = next_tmp2;
pos++;
}
pos = 0;
while (!osip_list_eol (media->b_bandwidths, pos))
{
sdp_bandwidth_t *band =
(sdp_bandwidth_t *) osip_list_get (media->b_bandwidths, pos);
char *next_tmp2;
int i;
i = sdp_append_bandwidth (string, size, tmp, band, &next_tmp2);
if (i != 0)
return -1;
tmp = next_tmp2;
pos++;
}
if (media->k_key != NULL)
{
char *next_tmp2;
int i;
i = sdp_append_key (string, size, tmp, media->k_key, &next_tmp2);
if (i != 0)
return -1;
tmp = next_tmp2;
}
pos = 0;
while (!osip_list_eol (media->a_attributes, pos))
{
sdp_attribute_t *attr =
(sdp_attribute_t *) osip_list_get (media->a_attributes, pos);
char *next_tmp2;
int i;
i = sdp_append_attribute (string, size, tmp, attr, &next_tmp2);
if (i != 0)
return -1;
tmp = next_tmp2;
pos++;
}
*next_tmp = tmp;
return 0;
}
static int
sdp_append_connection (char *string, int size, char *tmp,
sdp_connection_t * conn, char **next_tmp)
{
if (conn->c_nettype == NULL)
return -1;
if (conn->c_addrtype == NULL)
return -1;
if (conn->c_addr == NULL)
return -1;
tmp = __osip_sdp_append_string (string, size, tmp, "c=");
tmp = __osip_sdp_append_string (string, size, tmp, conn->c_nettype);
tmp = __osip_sdp_append_string (string, size, tmp, " ");
tmp = __osip_sdp_append_string (string, size, tmp, conn->c_addrtype);
tmp = __osip_sdp_append_string (string, size, tmp, " ");
tmp = __osip_sdp_append_string (string, size, tmp, conn->c_addr);
if (conn->c_addr_multicast_ttl != NULL)
{
tmp = __osip_sdp_append_string (string, size, tmp, "/");
tmp =
__osip_sdp_append_string (string, size, tmp,
conn->c_addr_multicast_ttl);
}
if (conn->c_addr_multicast_int != NULL)
{
tmp = __osip_sdp_append_string (string, size, tmp, "/");
tmp =
__osip_sdp_append_string (string, size, tmp,
conn->c_addr_multicast_int);
}
tmp = __osip_sdp_append_string (string, size, tmp, CRLF);
*next_tmp = tmp;
return 0;
}
