diff options
Diffstat (limited to 'pjsip/src/pjsip-simple/iscomposing.c')
| -rw-r--r-- | pjsip/src/pjsip-simple/iscomposing.c | 218 |
1 files changed, 218 insertions, 0 deletions
diff --git a/pjsip/src/pjsip-simple/iscomposing.c b/pjsip/src/pjsip-simple/iscomposing.c new file mode 100644 index 0000000..7053539 --- /dev/null +++ b/pjsip/src/pjsip-simple/iscomposing.c @@ -0,0 +1,218 @@ +/* $Id: iscomposing.c 3553 2011-05-05 06:14:19Z nanang $ */ +/* + * 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; +} + + |