| /* $Id$ */ |
| /* |
| * Copyright (C) 2008-2011 Teluu Inc. (http://www.teluu.com) |
| * Copyright (C) 2003-2008 Benny Prijono <benny@prijono.org> |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 2 of the License, or |
| * (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| */ |
| #include <pjsip-simple/iscomposing.h> |
| #include <pjsip-simple/errno.h> |
| #include <pjsip/sip_msg.h> |
| #include <pjlib-util/errno.h> |
| #include <pj/pool.h> |
| #include <pj/string.h> |
| |
| |
| /* MIME */ |
| static const pj_str_t STR_MIME_TYPE = { "application", 11 }; |
| static const pj_str_t STR_MIME_SUBTYPE = { "im-iscomposing+xml", 18 }; |
| |
| |
| /* XML node constants. */ |
| static const pj_str_t STR_ISCOMPOSING = { "isComposing", 11 }; |
| static const pj_str_t STR_STATE = { "state", 5 }; |
| static const pj_str_t STR_ACTIVE = { "active", 6 }; |
| static const pj_str_t STR_IDLE = { "idle", 4 }; |
| static const pj_str_t STR_LASTACTIVE = { "lastactive", 10 }; |
| static const pj_str_t STR_CONTENTTYPE = { "contenttype", 11 }; |
| static const pj_str_t STR_REFRESH = { "refresh", 7 }; |
| |
| |
| /* XML attributes constants */ |
| static const pj_str_t STR_XMLNS_NAME = { "xmlns", 5 }; |
| static const pj_str_t STR_XMLNS_VAL = { "urn:ietf:params:xml:ns:im-iscomposing", 37 }; |
| static const pj_str_t STR_XMLNS_XSI_NAME = { "xmlns:xsi", 9 }; |
| static const pj_str_t STR_XMLNS_XSI_VAL = { "http://www.w3.org/2001/XMLSchema-instance", 41 }; |
| static const pj_str_t STR_XSI_SLOC_NAME = { "xsi:schemaLocation", 18 }; |
| static const pj_str_t STR_XSI_SLOC_VAL = { "urn:ietf:params:xml:ns:im-composing iscomposing.xsd", 51 }; |
| |
| |
| PJ_DEF(pj_xml_node*) pjsip_iscomposing_create_xml( pj_pool_t *pool, |
| pj_bool_t is_composing, |
| const pj_time_val *lst_actv, |
| const pj_str_t *content_tp, |
| int refresh) |
| { |
| pj_xml_node *doc, *node; |
| pj_xml_attr *attr; |
| |
| /* Root document. */ |
| doc = pj_xml_node_new(pool, &STR_ISCOMPOSING); |
| |
| /* Add attributes */ |
| attr = pj_xml_attr_new(pool, &STR_XMLNS_NAME, &STR_XMLNS_VAL); |
| pj_xml_add_attr(doc, attr); |
| |
| attr = pj_xml_attr_new(pool, &STR_XMLNS_XSI_NAME, &STR_XMLNS_XSI_VAL); |
| pj_xml_add_attr(doc, attr); |
| |
| attr = pj_xml_attr_new(pool, &STR_XSI_SLOC_NAME, &STR_XSI_SLOC_VAL); |
| pj_xml_add_attr(doc, attr); |
| |
| |
| /* Add state. */ |
| node = pj_xml_node_new(pool, &STR_STATE); |
| if (is_composing) |
| node->content = STR_ACTIVE; |
| else |
| node->content = STR_IDLE; |
| pj_xml_add_node(doc, node); |
| |
| /* Add lastactive, if any. */ |
| PJ_UNUSED_ARG(lst_actv); |
| //if (!is_composing && lst_actv) { |
| // PJ_TODO(IMPLEMENT_LAST_ACTIVE_ATTRIBUTE); |
| //} |
| |
| /* Add contenttype, if any. */ |
| if (content_tp) { |
| node = pj_xml_node_new(pool, &STR_CONTENTTYPE); |
| pj_strdup(pool, &node->content, content_tp); |
| pj_xml_add_node(doc, node); |
| } |
| |
| /* Add refresh, if any. */ |
| if (is_composing && refresh > 1 && refresh < 3601) { |
| node = pj_xml_node_new(pool, &STR_REFRESH); |
| node->content.ptr = (char*) pj_pool_alloc(pool, 10); |
| node->content.slen = pj_utoa(refresh, node->content.ptr); |
| pj_xml_add_node(doc, node); |
| } |
| |
| /* Done! */ |
| |
| return doc; |
| } |
| |
| |
| |
| /* |
| * Function to print XML message body. |
| */ |
| static int xml_print_body( struct pjsip_msg_body *msg_body, |
| char *buf, pj_size_t size) |
| { |
| return pj_xml_print((const pj_xml_node*)msg_body->data, buf, size, |
| PJ_TRUE); |
| } |
| |
| |
| /* |
| * Function to clone XML document. |
| */ |
| static void* xml_clone_data(pj_pool_t *pool, const void *data, unsigned len) |
| { |
| PJ_UNUSED_ARG(len); |
| return pj_xml_clone( pool, (const pj_xml_node*)data); |
| } |
| |
| |
| |
| PJ_DEF(pjsip_msg_body*) pjsip_iscomposing_create_body( pj_pool_t *pool, |
| pj_bool_t is_composing, |
| const pj_time_val *lst_actv, |
| const pj_str_t *content_tp, |
| int refresh) |
| { |
| pj_xml_node *doc; |
| pjsip_msg_body *body; |
| |
| doc = pjsip_iscomposing_create_xml( pool, is_composing, lst_actv, |
| content_tp, refresh); |
| if (doc == NULL) |
| return NULL; |
| |
| |
| body = PJ_POOL_ZALLOC_T(pool, pjsip_msg_body); |
| body->content_type.type = STR_MIME_TYPE; |
| body->content_type.subtype = STR_MIME_SUBTYPE; |
| |
| body->data = doc; |
| body->len = 0; |
| |
| body->print_body = &xml_print_body; |
| body->clone_data = &xml_clone_data; |
| |
| return body; |
| } |
| |
| |
| PJ_DEF(pj_status_t) pjsip_iscomposing_parse( pj_pool_t *pool, |
| char *msg, |
| pj_size_t len, |
| pj_bool_t *p_is_composing, |
| pj_str_t **p_last_active, |
| pj_str_t **p_content_type, |
| int *p_refresh ) |
| { |
| pj_xml_node *doc, *node; |
| |
| /* Set defaults: */ |
| if (p_is_composing) *p_is_composing = PJ_FALSE; |
| if (p_last_active) *p_last_active = NULL; |
| if (p_content_type) *p_content_type = NULL; |
| |
| /* Parse XML */ |
| doc = pj_xml_parse( pool, msg, len); |
| if (!doc) |
| return PJLIB_UTIL_EINXML; |
| |
| /* Root document must be "isComposing" */ |
| if (pj_stricmp(&doc->name, &STR_ISCOMPOSING) != 0) |
| return PJSIP_SIMPLE_EBADISCOMPOSE; |
| |
| /* Get the status. */ |
| if (p_is_composing) { |
| node = pj_xml_find_node(doc, &STR_STATE); |
| if (node == NULL) |
| return PJSIP_SIMPLE_EBADISCOMPOSE; |
| *p_is_composing = (pj_stricmp(&node->content, &STR_ACTIVE)==0); |
| } |
| |
| /* Get last active. */ |
| if (p_last_active) { |
| node = pj_xml_find_node(doc, &STR_LASTACTIVE); |
| if (node) |
| *p_last_active = &node->content; |
| } |
| |
| /* Get content type */ |
| if (p_content_type) { |
| node = pj_xml_find_node(doc, &STR_CONTENTTYPE); |
| if (node) |
| *p_content_type = &node->content; |
| } |
| |
| /* Get refresh */ |
| if (p_refresh) { |
| node = pj_xml_find_node(doc, &STR_REFRESH); |
| if (node) |
| *p_refresh = pj_strtoul(&node->content); |
| } |
| |
| return PJ_SUCCESS; |
| } |
| |
| |