--- /dev/null
+/*
+ * Asterisk -- An open source telephony toolkit.
+ *
+ * Copyright (C) 2022, Michael Kuron
+ *
+ * Michael Kuron <m.kuron@gmx.de>
+ *
+ * See http://www.asterisk.org for more information about
+ * the Asterisk project. Please do not directly contact
+ * any of the maintainers of this project for assistance;
+ * the project provides a web site, mailing lists and IRC
+ * channels for your use.
+ *
+ * This program is free software, distributed under the terms of
+ * the GNU General Public License Version 2. See the LICENSE file
+ * at the top of the source tree.
+ */
+
+/*** MODULEINFO
+ <depend>pjproject</depend>
+ <depend>res_pjsip</depend>
+ <support_level>extended</support_level>
+ ***/
+
+#include "asterisk.h"
+
+#include <pjsip.h>
+#include <pjlib.h>
+
+#include "asterisk/aoc.h"
+#include "asterisk/module.h"
+#include "asterisk/pbx.h"
+#include "asterisk/res_pjsip.h"
+#include "asterisk/res_pjsip_session.h"
+
+static pj_xml_attr *aoc_xml_create_attr(pj_pool_t *pool, pj_xml_node *node,
+ const char *name, const char *value)
+{
+ pj_xml_attr *attr;
+
+ attr = PJ_POOL_ALLOC_T(pool, pj_xml_attr);
+
+ pj_strdup2(pool, &attr->name, name);
+ pj_strdup2(pool, &attr->value, value);
+
+ pj_xml_add_attr(node, attr);
+ return attr;
+}
+
+static pj_xml_node *aoc_xml_create_node(pj_pool_t *pool, pj_xml_node *parent,
+ const char *name)
+{
+ pj_xml_node *node;
+
+ node = PJ_POOL_ZALLOC_T(pool, pj_xml_node);
+
+ pj_list_init(&node->attr_head);
+ pj_list_init(&node->node_head);
+
+ pj_strdup2(pool, &node->name, name);
+
+ if (parent) {
+ pj_xml_add_node(parent, node);
+ }
+
+ return node;
+}
+
+static void aoc_xml_set_node_content(pj_pool_t *pool, pj_xml_node *node,
+ const char *content)
+{
+ pj_strdup2(pool, &node->content, content);
+}
+
+static char * aoc_format_amount(pj_pool_t *pool, unsigned int amount,
+ enum ast_aoc_currency_multiplier multiplier)
+{
+ const size_t amount_max_size = 16;
+ char *amount_str;
+
+ amount_str = pj_pool_alloc(pool, amount_max_size);
+
+ switch (multiplier) {
+ case AST_AOC_MULT_ONETHOUSANDTH:
+ pj_ansi_snprintf(amount_str, amount_max_size, "%.3f", amount*0.001f);
+ break;
+ case AST_AOC_MULT_ONEHUNDREDTH:
+ pj_ansi_snprintf(amount_str, amount_max_size, "%.2f", amount*0.01f);
+ break;
+ case AST_AOC_MULT_ONETENTH:
+ pj_ansi_snprintf(amount_str, amount_max_size, "%.1f", amount*0.1f);
+ break;
+ case AST_AOC_MULT_ONE:
+ pj_ansi_snprintf(amount_str, amount_max_size, "%d", amount);
+ break;
+ case AST_AOC_MULT_TEN:
+ pj_ansi_snprintf(amount_str, amount_max_size, "%d", amount*10);
+ break;
+ case AST_AOC_MULT_HUNDRED:
+ pj_ansi_snprintf(amount_str, amount_max_size, "%d", amount*100);
+ break;
+ case AST_AOC_MULT_THOUSAND:
+ pj_ansi_snprintf(amount_str, amount_max_size, "%d", amount*1000);
+ break;
+ default:
+ pj_ansi_snprintf(amount_str, amount_max_size, "%d", amount);
+ }
+
+ return amount_str;
+}
+
+static const char *aoc_time_scale_str(enum ast_aoc_time_scale value)
+{
+ const char *str;
+
+ switch (value) {
+ default:
+ case AST_AOC_TIME_SCALE_HUNDREDTH_SECOND:
+ str = "one-hundredth-second";
+ break;
+ case AST_AOC_TIME_SCALE_TENTH_SECOND:
+ str = "one-tenth-second";
+ break;
+ case AST_AOC_TIME_SCALE_SECOND:
+ str = "one-second";
+ break;
+ case AST_AOC_TIME_SCALE_TEN_SECOND:
+ str = "ten-seconds";
+ break;
+ case AST_AOC_TIME_SCALE_MINUTE:
+ str = "one-minute";
+ break;
+ case AST_AOC_TIME_SCALE_HOUR:
+ str = "one-hour";
+ break;
+ case AST_AOC_TIME_SCALE_DAY:
+ str = "twenty-four-hours";
+ break;
+ }
+ return str;
+}
+
+static void aoc_datastore_destroy(void *obj)
+{
+ char *xml = obj;
+ ast_free(xml);
+}
+
+static const struct ast_datastore_info aoc_s_datastore = {
+ .type = "AOC-S",
+ .destroy = aoc_datastore_destroy,
+};
+
+static const struct ast_datastore_info aoc_d_datastore = {
+ .type = "AOC-D",
+ .destroy = aoc_datastore_destroy,
+};
+
+static const struct ast_datastore_info aoc_e_datastore = {
+ .type = "AOC-E",
+ .destroy = aoc_datastore_destroy,
+};
+
+struct aoc_data {
+ struct ast_sip_session *session;
+ struct ast_aoc_decoded *decoded;
+ enum ast_channel_state channel_state;
+};
+
+static void aoc_release_pool(void * data)
+{
+ pj_pool_t *pool = data;
+ pjsip_endpt_release_pool(ast_sip_get_pjsip_endpoint(), pool);
+}
+
+static int aoc_send_as_xml(void * data)
+{
+ RAII_VAR(struct aoc_data *, adata, data, ao2_cleanup);
+ RAII_VAR(pj_pool_t *, pool, NULL, aoc_release_pool);
+
+ pool = pjsip_endpt_create_pool(ast_sip_get_pjsip_endpoint(), "AOC", 2048, 512);
+
+ if (!pool) {
+ ast_log(LOG_ERROR, "Could not create a memory pool for AOC XML\n");
+ return 1;
+ }
+
+ if (ast_aoc_get_msg_type(adata->decoded) == AST_AOC_D ||
+ ast_aoc_get_msg_type(adata->decoded) == AST_AOC_E) {
+ pj_xml_node *aoc;
+ pj_xml_node *aoc_type;
+ pj_xml_node *charging_info = NULL;
+ pj_xml_node *charges;
+ pj_xml_node *charge;
+ char *xml;
+ size_t size;
+ const size_t xml_max_size = 512;
+
+ aoc = aoc_xml_create_node(pool, NULL, "aoc");
+ aoc_xml_create_attr(pool, aoc, "xmlns",
+ "http://uri.etsi.org/ngn/params/xml/simservs/aoc");
+ aoc_type = aoc_xml_create_node(pool, aoc,
+ ast_aoc_get_msg_type(adata->decoded) == AST_AOC_D ? "aoc-d" : "aoc-e");
+ if (ast_aoc_get_msg_type(adata->decoded) == AST_AOC_D) {
+ charging_info = aoc_xml_create_node(pool, aoc_type, "charging-info");
+ aoc_xml_set_node_content(pool, charging_info,
+ ast_aoc_get_total_type(adata->decoded) == AST_AOC_SUBTOTAL ? "subtotal" : "total");
+ }
+ charges = aoc_xml_create_node(pool, aoc_type, "recorded-charges");
+
+ if (ast_aoc_get_charge_type(adata->decoded) == AST_AOC_CHARGE_FREE) {
+ charge = aoc_xml_create_node(pool, charges, "free-charge");
+ } else if (ast_aoc_get_charge_type(adata->decoded) == AST_AOC_CHARGE_CURRENCY ||
+ ast_aoc_get_charge_type(adata->decoded) == AST_AOC_CHARGE_UNIT) {
+ charge = aoc_xml_create_node(pool, charges, "recorded-currency-units");
+ } else {
+ charge = aoc_xml_create_node(pool, charges, "not-available");
+ }
+
+ if (ast_aoc_get_charge_type(adata->decoded) == AST_AOC_CHARGE_CURRENCY) {
+ const char *currency;
+ pj_xml_node *amount;
+ char *amount_str;
+
+ currency = ast_aoc_get_currency_name(adata->decoded);
+ if (!ast_strlen_zero(currency)) {
+ pj_xml_node *currency_id;
+
+ currency_id = aoc_xml_create_node(pool, charge, "currency-id");
+ aoc_xml_set_node_content(pool, currency_id, currency);
+ }
+
+ amount = aoc_xml_create_node(pool, charge, "currency-amount");
+ amount_str = aoc_format_amount(pool, ast_aoc_get_currency_amount(adata->decoded),
+ ast_aoc_get_currency_multiplier(adata->decoded));
+ aoc_xml_set_node_content(pool, amount, amount_str);
+ } else if (ast_aoc_get_charge_type(adata->decoded) == AST_AOC_CHARGE_UNIT) {
+ pj_xml_node *currency_id;
+ const struct ast_aoc_unit_entry *unit_entry;
+
+ currency_id = aoc_xml_create_node(pool, charge, "currency-id");
+ aoc_xml_set_node_content(pool, currency_id, "UNIT");
+
+ unit_entry = ast_aoc_get_unit_info(adata->decoded, 0);
+ if (unit_entry) {
+ pj_xml_node *amount;
+ char *amount_str;
+
+ amount = aoc_xml_create_node(pool, charge, "currency-amount");
+ amount_str = aoc_format_amount(pool, unit_entry->amount,
+ AST_AOC_MULT_ONE);
+ aoc_xml_set_node_content(pool, amount, amount_str);
+ }
+ }
+
+ xml = pj_pool_alloc(pool, xml_max_size);
+ size = pj_xml_print(aoc, xml, xml_max_size - 1, PJ_TRUE);
+ if (size >= xml_max_size) {
+ ast_log(LOG_ERROR, "aoc+xml body text too large\n");
+ return 1;
+ }
+ xml[size] = 0;
+
+ if (ast_aoc_get_msg_type(adata->decoded) == AST_AOC_D) {
+ RAII_VAR(struct ast_datastore *, datastore,
+ ast_sip_session_get_datastore(adata->session, aoc_d_datastore.type),
+ ao2_cleanup);
+ struct pjsip_tx_data *tdata;
+ struct ast_sip_body body = {
+ .type = "application",
+ .subtype = "vnd.etsi.aoc+xml",
+ .body_text = xml
+ };
+
+ if (ast_sip_create_request("INFO", adata->session->inv_session->dlg,
+ adata->session->endpoint, NULL, NULL, &tdata)) {
+ ast_log(LOG_ERROR, "Could not create AOC INFO request\n");
+ return 1;
+ }
+ if (ast_sip_add_body(tdata, &body)) {
+ ast_log(LOG_ERROR, "Could not add body to AOC INFO request\n");
+ pjsip_tx_data_dec_ref(tdata);
+ return 1;
+ }
+ ast_sip_session_send_request(adata->session, tdata);
+
+ if (!datastore) {
+ datastore = ast_sip_session_alloc_datastore(&aoc_d_datastore, aoc_d_datastore.type);
+ if (!datastore) {
+ ast_log(LOG_ERROR, "Unable to create datastore for AOC-D.\n");
+ return 1;
+ }
+ datastore->data = NULL;
+ if (ast_sip_session_add_datastore(adata->session, datastore)) {
+ ast_log(LOG_ERROR, "Unable to create datastore for AOC-D.\n");
+ return 1;
+ }
+ } else {
+ ast_free(datastore->data);
+ }
+
+ aoc_xml_set_node_content(pool, charging_info, "total");
+ size = pj_xml_print(aoc, xml, xml_max_size - 1, PJ_TRUE);
+ xml[size] = 0;
+ datastore->data = ast_strdup(xml);
+ } else if (ast_aoc_get_msg_type(adata->decoded) == AST_AOC_E) {
+ RAII_VAR(struct ast_datastore *, datastore,
+ ast_sip_session_get_datastore(adata->session, aoc_e_datastore.type),
+ ao2_cleanup);
+ if (!datastore) {
+ datastore = ast_sip_session_alloc_datastore(&aoc_e_datastore, aoc_e_datastore.type);
+ if (!datastore) {
+ ast_log(LOG_ERROR, "Unable to create datastore for AOC-E.\n");
+ return 1;
+ }
+ datastore->data = NULL;
+ if (ast_sip_session_add_datastore(adata->session, datastore)) {
+ ast_log(LOG_ERROR, "Unable to create datastore for AOC-E.\n");
+ return 1;
+ }
+ } else {
+ ast_free(datastore->data);
+ }
+ datastore->data = ast_strdup(xml);
+ }
+ } else if (ast_aoc_get_msg_type(adata->decoded) == AST_AOC_S) {
+ pj_xml_node *aoc;
+ pj_xml_node *aoc_type;
+ pj_xml_node *charged_items;
+ const struct ast_aoc_s_entry *entry;
+ int idx;
+ char *xml;
+ size_t size;
+ const size_t xml_max_size = 1024;
+
+ aoc = aoc_xml_create_node(pool, NULL, "aoc");
+ aoc_xml_create_attr(pool, aoc, "xmlns",
+ "http://uri.etsi.org/ngn/params/xml/simservs/aoc");
+ aoc_type = aoc_xml_create_node(pool, aoc, "aoc-s");
+ charged_items = aoc_xml_create_node(pool, aoc_type, "charged-items");
+
+ for (idx = 0; idx < ast_aoc_s_get_count(adata->decoded); idx++) {
+ pj_xml_node *charged_item;
+ pj_xml_node *charge;
+
+ if (!(entry = ast_aoc_s_get_rate_info(adata->decoded, idx))) {
+ break;
+ }
+
+ if (entry->charged_item == AST_AOC_CHARGED_ITEM_BASIC_COMMUNICATION) {
+ charged_item = aoc_xml_create_node(pool, charged_items, "basic");
+ } else if (entry->charged_item == AST_AOC_CHARGED_ITEM_CALL_ATTEMPT) {
+ charged_item = aoc_xml_create_node(pool, charged_items,
+ "communication-attempt");
+ } else if (entry->charged_item == AST_AOC_CHARGED_ITEM_CALL_SETUP) {
+ charged_item = aoc_xml_create_node(pool, charged_items,
+ "communication-setup");
+ } else {
+ continue;
+ }
+
+ if (entry->rate_type == AST_AOC_RATE_TYPE_FREE) {
+ charge = aoc_xml_create_node(pool, charged_item, "free-charge");
+ } else if (entry->rate_type == AST_AOC_RATE_TYPE_FLAT) {
+ charge = aoc_xml_create_node(pool, charged_item, "flat-rate");
+ } else if (entry->rate_type == AST_AOC_RATE_TYPE_DURATION &&
+ entry->charged_item == AST_AOC_CHARGED_ITEM_BASIC_COMMUNICATION) {
+ charge = aoc_xml_create_node(pool, charged_item, "price-time");
+ } else {
+ continue;
+ }
+
+ if (entry->rate_type == AST_AOC_RATE_TYPE_DURATION ||
+ entry->rate_type == AST_AOC_RATE_TYPE_FLAT) {
+ const char *currency;
+ pj_xml_node *amount;
+ uint32_t amount_val;
+ enum ast_aoc_currency_multiplier multiplier_val;
+ char *amount_str;
+
+ currency = (entry->rate_type == AST_AOC_RATE_TYPE_DURATION ?
+ entry->rate.duration.currency_name :
+ entry->rate.flat.currency_name);
+ if (!ast_strlen_zero(currency)) {
+ pj_xml_node *currency_id;
+
+ currency_id = aoc_xml_create_node(pool, charge, "currency-id");
+ aoc_xml_set_node_content(pool, currency_id, currency);
+ }
+
+ amount = aoc_xml_create_node(pool, charge, "currency-amount");
+ amount_val = (entry->rate_type == AST_AOC_RATE_TYPE_DURATION ?
+ entry->rate.duration.amount : entry->rate.flat.amount);
+ multiplier_val = (entry->rate_type == AST_AOC_RATE_TYPE_DURATION ?
+ entry->rate.duration.multiplier : entry->rate.flat.multiplier);
+ amount_str = aoc_format_amount(pool, amount_val, multiplier_val);
+ aoc_xml_set_node_content(pool, amount, amount_str);
+ }
+
+ if (entry->rate_type == AST_AOC_RATE_TYPE_DURATION) {
+ pj_xml_node *length_time_unit;
+ pj_xml_node *time_unit;
+ char *time_str;
+ pj_xml_node *scale;
+ pj_xml_node *charging_type;
+
+ length_time_unit = aoc_xml_create_node(pool, charge, "length-time-unit");
+ time_unit = aoc_xml_create_node(pool, length_time_unit, "time-unit");
+ time_str = aoc_format_amount(pool, entry->rate.duration.time,
+ AST_AOC_MULT_ONE);
+ aoc_xml_set_node_content(pool, time_unit, time_str);
+ scale = aoc_xml_create_node(pool, length_time_unit, "scale");
+ aoc_xml_set_node_content(pool, scale,
+ aoc_time_scale_str(entry->rate.duration.time_scale));
+ charging_type = aoc_xml_create_node(pool, charge, "charging-type");
+ aoc_xml_set_node_content(pool, charging_type,
+ entry->rate.duration.charging_type ? "step-function" :
+ "continuous");
+ }
+ }
+
+ xml = pj_pool_alloc(pool, xml_max_size);
+ size = pj_xml_print(aoc, xml, xml_max_size - 1, PJ_TRUE);
+ if (size >= xml_max_size) {
+ ast_log(LOG_ERROR, "aoc+xml body text too large\n");
+ return 1;
+ }
+ xml[size] = 0;
+
+ if (adata->channel_state == AST_STATE_UP ||
+ adata->session->call_direction == AST_SIP_SESSION_OUTGOING_CALL) {
+ struct pjsip_tx_data *tdata;
+ struct ast_sip_body body = {
+ .type = "application",
+ .subtype = "vnd.etsi.aoc+xml",
+ .body_text = xml
+ };
+
+ if (ast_sip_create_request("INFO", adata->session->inv_session->dlg,
+ adata->session->endpoint, NULL, NULL, &tdata)) {
+ ast_log(LOG_ERROR, "Could not create AOC INFO request\n");
+ return 1;
+ }
+ if (ast_sip_add_body(tdata, &body)) {
+ ast_log(LOG_ERROR, "Could not add body to AOC INFO request\n");
+ pjsip_tx_data_dec_ref(tdata);
+ return 1;
+ }
+ ast_sip_session_send_request(adata->session, tdata);
+ } else {
+ RAII_VAR(struct ast_datastore *, datastore,
+ ast_sip_session_get_datastore(adata->session, aoc_s_datastore.type),
+ ao2_cleanup);
+ if (!datastore) {
+ datastore = ast_sip_session_alloc_datastore(&aoc_s_datastore, aoc_s_datastore.type);
+ if (!datastore) {
+ ast_log(LOG_ERROR, "Unable to create datastore for AOC-S.\n");
+ return 1;
+ }
+ if (ast_sip_session_add_datastore(adata->session, datastore)) {
+ ast_log(LOG_ERROR, "Unable to create datastore for AOC-S.\n");
+ return 1;
+ }
+ } else {
+ ast_free(datastore->data);
+ }
+ datastore->data = ast_strdup(xml);
+ }
+ }
+
+ return 0;
+}
+
+static void aoc_data_destroy(void * data)
+{
+ struct aoc_data *adata = data;
+
+ ast_aoc_destroy_decoded(adata->decoded);
+ ao2_cleanup(adata->session);
+}
+
+static struct ast_frame *aoc_framehook(struct ast_channel *ast, struct ast_frame *f,
+ enum ast_framehook_event event, void *data)
+{
+ struct ast_sip_channel_pvt *channel;
+ struct aoc_data *adata;
+
+ if (!f || f->frametype != AST_FRAME_CONTROL || event != AST_FRAMEHOOK_EVENT_WRITE ||
+ f->subclass.integer != AST_CONTROL_AOC) {
+ return f;
+ }
+
+ adata = ao2_alloc(sizeof(struct aoc_data), aoc_data_destroy);
+ if (!adata) {
+ ast_log(LOG_ERROR, "Failed to allocate AOC data\n");
+ return f;
+ }
+
+ adata->decoded = ast_aoc_decode((struct ast_aoc_encoded *) f->data.ptr, f->datalen, ast);
+ if (!adata->decoded) {
+ ast_log(LOG_ERROR, "Error decoding indicated AOC data\n");
+ ao2_ref(adata, -1);
+ return f;
+ }
+
+ channel = ast_channel_tech_pvt(ast);
+ adata->session = ao2_bump(channel->session);
+ adata->channel_state = ast_channel_state(ast);
+
+ if (ast_sip_push_task(adata->session->serializer, aoc_send_as_xml, adata)) {
+ ast_log(LOG_ERROR, "Unable to send AOC XML for channel %s\n", ast_channel_name(ast));
+ ao2_ref(adata, -1);
+ }
+ return &ast_null_frame;
+}
+
+static int aoc_consume(void *data, enum ast_frame_type type)
+{
+ return (type == AST_FRAME_CONTROL) ? 1 : 0;
+}
+
+static void aoc_attach_framehook(struct ast_sip_session *session)
+{
+ int framehook_id;
+ static struct ast_framehook_interface hook = {
+ .version = AST_FRAMEHOOK_INTERFACE_VERSION,
+ .event_cb = aoc_framehook,
+ .consume_cb = aoc_consume,
+ };
+
+ if (!session->channel || !session->endpoint->send_aoc) {
+ return;
+ }
+
+ ast_channel_lock(session->channel);
+
+ framehook_id = ast_framehook_attach(session->channel, &hook);
+ if (framehook_id < 0) {
+ ast_log(LOG_WARNING, "Could not attach AOC Frame hook, AOC will be unavailable on '%s'\n",
+ ast_channel_name(session->channel));
+ }
+
+ ast_channel_unlock(session->channel);
+}
+
+static int aoc_incoming_invite_request(struct ast_sip_session *session,
+ struct pjsip_rx_data *rdata)
+{
+ aoc_attach_framehook(session);
+ return 0;
+}
+
+static void aoc_outgoing_invite_request(struct ast_sip_session *session,
+ struct pjsip_tx_data *tdata)
+{
+ aoc_attach_framehook(session);
+}
+
+static void aoc_bye_outgoing_response(struct ast_sip_session *session,
+ struct pjsip_tx_data *tdata)
+{
+ struct ast_sip_body body = {
+ .type = "application",
+ .subtype = "vnd.etsi.aoc+xml",
+ };
+ RAII_VAR(struct ast_datastore *, datastore_d, ast_sip_session_get_datastore(session,
+ aoc_d_datastore.type), ao2_cleanup);
+ RAII_VAR(struct ast_datastore *, datastore_e, ast_sip_session_get_datastore(session,
+ aoc_e_datastore.type), ao2_cleanup);
+
+ if (datastore_e) {
+ body.body_text = datastore_e->data;
+ } else if (datastore_d) {
+ body.body_text = datastore_d->data;
+ }
+ else {
+ return;
+ }
+
+ if (ast_sip_add_body(tdata, &body)) {
+ ast_log(LOG_ERROR, "Could not add body to AOC INFO request\n");
+ }
+}
+
+static void aoc_bye_outgoing_request(struct ast_sip_session *session,
+ struct pjsip_tx_data *tdata)
+{
+ struct ast_sip_body body = {
+ .type = "application",
+ .subtype = "vnd.etsi.aoc+xml",
+ };
+ RAII_VAR(struct ast_datastore *, datastore_d, ast_sip_session_get_datastore(session,
+ aoc_d_datastore.type), ao2_cleanup);
+ RAII_VAR(struct ast_datastore *, datastore_e, ast_sip_session_get_datastore(session,
+ aoc_e_datastore.type), ao2_cleanup);
+
+ if (datastore_e) {
+ body.body_text = datastore_e->data;
+ } else if (datastore_d) {
+ body.body_text = datastore_d->data;
+ }
+ else {
+ return;
+ }
+
+ if (ast_sip_add_body(tdata, &body)) {
+ ast_log(LOG_ERROR, "Could not add body to AOC INFO request\n");
+ }
+}
+
+static void aoc_invite_outgoing_response(struct ast_sip_session *session,
+ struct pjsip_tx_data *tdata)
+{
+ pjsip_msg_body *multipart_body;
+ pjsip_multipart_part *part;
+ pj_str_t body_text;
+ pj_str_t type;
+ pj_str_t subtype;
+ RAII_VAR(struct ast_datastore *, datastore, ast_sip_session_get_datastore(session,
+ aoc_s_datastore.type), ao2_cleanup);
+
+ if (tdata->msg->line.status.code != 180 && tdata->msg->line.status.code != 183 &&
+ tdata->msg->line.status.code != 200) {
+ return;
+ }
+
+ if (!datastore) {
+ return;
+ }
+
+ if (pjsip_media_type_cmp(&tdata->msg->body->content_type,
+ &pjsip_media_type_multipart_mixed, 0) == 0) {
+ multipart_body = tdata->msg->body;
+ } else {
+ pjsip_sdp_info *tdata_sdp_info;
+
+ tdata_sdp_info = pjsip_tdata_get_sdp_info(tdata);
+ if (tdata_sdp_info->sdp) {
+ pj_status_t rc;
+
+ rc = pjsip_create_multipart_sdp_body(tdata->pool, tdata_sdp_info->sdp,
+ &multipart_body);
+ if (rc != PJ_SUCCESS) {
+ ast_log(LOG_ERROR, "Unable to create sdp multipart body\n");
+ return;
+ }
+ } else {
+ multipart_body = pjsip_multipart_create(tdata->pool,
+ &pjsip_media_type_multipart_mixed, NULL);
+ }
+ }
+
+ part = pjsip_multipart_create_part(tdata->pool);
+ pj_strdup2(tdata->pool, &body_text, datastore->data);
+ pj_cstr(&type, "application");
+ pj_cstr(&subtype, "vnd.etsi.aoc+xml");
+ part->body = pjsip_msg_body_create(tdata->pool, &type, &subtype, &body_text);
+ pjsip_multipart_add_part(tdata->pool, multipart_body, part);
+
+ tdata->msg->body = multipart_body;
+}
+
+static struct ast_sip_session_supplement aoc_bye_supplement = {
+ .method = "BYE",
+ .priority = AST_SIP_SUPPLEMENT_PRIORITY_LAST,
+ .outgoing_request = aoc_bye_outgoing_request,
+ .outgoing_response = aoc_bye_outgoing_response,
+};
+
+static struct ast_sip_session_supplement aoc_invite_supplement = {
+ .method = "INVITE",
+ .priority = AST_SIP_SUPPLEMENT_PRIORITY_LAST,
+ .incoming_request = aoc_incoming_invite_request,
+ .outgoing_request = aoc_outgoing_invite_request,
+ .outgoing_response = aoc_invite_outgoing_response,
+};
+
+static int load_module(void)
+{
+ ast_sip_session_register_supplement(&aoc_bye_supplement);
+ ast_sip_session_register_supplement(&aoc_invite_supplement);
+ return AST_MODULE_LOAD_SUCCESS;
+}
+
+static int unload_module(void)
+{
+ ast_sip_session_unregister_supplement(&aoc_bye_supplement);
+ ast_sip_session_unregister_supplement(&aoc_invite_supplement);
+ return 0;
+}
+
+AST_MODULE_INFO(ASTERISK_GPL_KEY, AST_MODFLAG_LOAD_ORDER, "PJSIP AOC Support",
+ .support_level = AST_MODULE_SUPPORT_EXTENDED,
+ .load = load_module,
+ .unload = unload_module,
+ .load_pri = AST_MODPRI_CHANNEL_DEPEND,
+ .requires = "res_pjsip",
+);
projects / thirdparty / asterisk.git / commitdiff
