<p>George Joseph has uploaded this change for <strong>review</strong>.</p><p><a href="https://gerrit.asterisk.org/6482">View Change</a></p><pre style="font-family: monospace,monospace; white-space: pre-wrap;">res_pjsip: Add handling for incoming unsolicited MWI NOTIFY<br><br>A new endpoint parameter "incoming_mwi_mailbox" allows Asterisk to<br>receive unsolicited MWI NOTIFY requests and make them available to<br>other modules via the stasis message bus.<br><br>res_pjsip_pubsub has a new handler "pubsub_on_rx_mwi_notify_request"<br>that parses a simple-message-summary body and, if<br>endpoint->incoming_mwi_account is set, calls ast_publish_mwi_state<br>with the voice-message counts from the message.<br><br>Change-Id: I08bae3d16e77af48fcccc2c936acce8fc0ef0f3c<br>---<br>M CHANGES<br>M configs/samples/pjsip.conf.sample<br>A contrib/ast-db-manage/config/versions/a1698e8bb9c5_add_incoming_mwi_mailbox.py<br>M include/asterisk/res_pjsip.h<br>M include/asterisk/strings.h<br>M main/strings.c<br>M res/res_pjsip.c<br>M res/res_pjsip/pjsip_configuration.c<br>M res/res_pjsip_pubsub.c<br>9 files changed, 198 insertions(+), 0 deletions(-)<br><br></pre><pre style="font-family: monospace,monospace; white-space: pre-wrap;">git pull ssh://gerrit.asterisk.org:29418/asterisk refs/changes/82/6482/1</pre><pre style="font-family: monospace,monospace; white-space: pre-wrap;">diff --git a/CHANGES b/CHANGES<br>index bd59575..d8f59c1 100644<br>--- a/CHANGES<br>+++ b/CHANGES<br>@@ -42,6 +42,10 @@<br> when dnsmgr refreshes are enabled will be automatically updated with the new<br> IP address of a given hostname.<br> <br>+ * A new endpoint parameter "incoming_mwi_mailbox" allows Asterisk to receive<br>+ unsolicited MWI NOTIFY requests and make them available to other modules via<br>+ the stasis message bus.<br>+<br> res_musiconhold<br> ------------------<br> * By default, when res_musiconhold reloads or unloads, it sends a HUP signal<br>diff --git a/configs/samples/pjsip.conf.sample b/configs/samples/pjsip.conf.sample<br>index 3c3e52a..1e1029b 100644<br>--- a/configs/samples/pjsip.conf.sample<br>+++ b/configs/samples/pjsip.conf.sample<br>@@ -798,6 +798,12 @@<br> ; dtls_setup=actpass<br> ; A dtls_cert_file and a dtls_ca_file still need to be specified.<br> ; Default for this option is "no"<br>+;incoming_mwi_mailbox = ; Mailbox name to use when incoming MWI NOTIFYs are<br>+ ; received.<br>+ ; If an MWI NOTIFY is received FROM this endpoint,<br>+ ; this mailbox will be used when notifying other modules<br>+ ; of MWI status changes. If not set, incoming MWI<br>+ ; NOTIFYs are ignored.<br> <br> ;==========================AUTH SECTION OPTIONS=========================<br> ;[auth]<br>diff --git a/contrib/ast-db-manage/config/versions/a1698e8bb9c5_add_incoming_mwi_mailbox.py b/contrib/ast-db-manage/config/versions/a1698e8bb9c5_add_incoming_mwi_mailbox.py<br>new file mode 100644<br>index 0000000..86c307e<br>--- /dev/null<br>+++ b/contrib/ast-db-manage/config/versions/a1698e8bb9c5_add_incoming_mwi_mailbox.py<br>@@ -0,0 +1,21 @@<br>+"""add_incoming_mwi_mailbox<br>+<br>+Revision ID: a1698e8bb9c5<br>+Revises: b83645976fdd<br>+Create Date: 2017-09-08 13:45:18.937571<br>+<br>+"""<br>+<br>+# revision identifiers, used by Alembic.<br>+revision = 'a1698e8bb9c5'<br>+down_revision = 'b83645976fdd'<br>+<br>+from alembic import op<br>+import sqlalchemy as sa<br>+<br>+<br>+def upgrade():<br>+ op.add_column('ps_endpoints', sa.Column('incoming_mwi_mailbox', sa.String(40)))<br>+<br>+def downgrade():<br>+ op.drop_column('ps_endpoints', 'incoming_mwi_mailbox')<br>diff --git a/include/asterisk/res_pjsip.h b/include/asterisk/res_pjsip.h<br>index ad88138..b6403d6 100644<br>--- a/include/asterisk/res_pjsip.h<br>+++ b/include/asterisk/res_pjsip.h<br>@@ -804,6 +804,8 @@<br> unsigned int refer_blind_progress;<br> /*! Whether to notifies dialog-info 'early' on INUSE && RINGING state */<br> unsigned int notify_early_inuse_ringing;<br>+ /*! If set, we'll push incoming MWI NOTIFYs to stasis using this mailbox */<br>+ AST_STRING_FIELD_EXTENDED(incoming_mwi_mailbox);<br> };<br> <br> /*! URI parameter for symmetric transport */<br>diff --git a/include/asterisk/strings.h b/include/asterisk/strings.h<br>index 1200eb9..963519d 100644<br>--- a/include/asterisk/strings.h<br>+++ b/include/asterisk/strings.h<br>@@ -1383,4 +1383,24 @@<br> */<br> int ast_strings_match(const char *left, const char *op, const char *right);<br> <br>+/*!<br>+ * \brief Read lines from a string buffer<br>+ * \since 13.18.0<br>+ *<br>+ * \param buffer [IN/OUT] A pointer to a char * string with either Unix or Windows line endings<br>+ *<br>+ * \return The "next" line<br>+ *<br>+ * \warning The original string and *buffer will be modified.<br>+ *<br>+ * \details<br>+ * Both '\n' and '\r\n' are treated as single delimiters but consecutive occurrances of<br>+ * the delimiters are NOT considered to be a single delimiter. This preserves blank<br>+ * lines in the input.<br>+ *<br>+ * MacOS line endings ('\r') are not supported at this time.<br>+ *<br>+ */<br>+char *ast_read_line_from_buffer(char **buffer);<br>+<br> #endif /* _ASTERISK_STRINGS_H */<br>diff --git a/main/strings.c b/main/strings.c<br>index d29da67..3207fa1 100644<br>--- a/main/strings.c<br>+++ b/main/strings.c<br>@@ -369,4 +369,23 @@<br> return 0;<br> }<br> <br>+char *ast_read_line_from_buffer(char **buffer)<br>+{<br>+ char *start = *buffer;<br> <br>+ if (!buffer || !*buffer || *(*buffer) == '\0') {<br>+ return NULL;<br>+ }<br>+<br>+ while (*(*buffer) && *(*buffer) != '\n' ) {<br>+ (*buffer)++;<br>+ }<br>+<br>+ *(*buffer) = '\0';<br>+ if (*(*buffer - 1) == '\r') {<br>+ *(*buffer - 1) = '\0';<br>+ }<br>+ (*buffer)++;<br>+<br>+ return start;<br>+}<br>diff --git a/res/res_pjsip.c b/res/res_pjsip.c<br>index ca0c301..0ff6ab8 100644<br>--- a/res/res_pjsip.c<br>+++ b/res/res_pjsip.c<br>@@ -1025,6 +1025,14 @@<br> <para>dtls_setup=actpass</para><br> </description><br> </configOption><br>+ <configOption name="incoming_mwi_mailbox"><br>+ <synopsis>Mailbox name to use when incoming MWI NOTIFYs are received</synopsis><br>+ <description><para><br>+ If an MWI NOTIFY is received <emphasis>from</emphasis> this endpoint,<br>+ this mailbox will be used when notifying other modules of MWI status<br>+ changes. If not set, incoming MWI NOTIFYs are ignored.<br>+ </para></description><br>+ </configOption><br> </configObject><br> <configObject name="auth"><br> <synopsis>Authentication type</synopsis><br>diff --git a/res/res_pjsip/pjsip_configuration.c b/res/res_pjsip/pjsip_configuration.c<br>index 715ffe8..cba8a7e 100644<br>--- a/res/res_pjsip/pjsip_configuration.c<br>+++ b/res/res_pjsip/pjsip_configuration.c<br>@@ -1995,6 +1995,7 @@<br> ast_sorcery_object_field_register(sip_sorcery, "endpoint", "max_video_streams", "1", OPT_UINT_T, 0, FLDSET(struct ast_sip_endpoint, media.max_video_streams));<br> ast_sorcery_object_field_register(sip_sorcery, "endpoint", "bundle", "no", OPT_BOOL_T, 1, FLDSET(struct ast_sip_endpoint, media.bundle));<br> ast_sorcery_object_field_register(sip_sorcery, "endpoint", "webrtc", "no", OPT_YESNO_T, 1, FLDSET(struct ast_sip_endpoint, media.webrtc));<br>+ ast_sorcery_object_field_register(sip_sorcery, "endpoint", "incoming_mwi_mailbox", "", OPT_STRINGFIELD_T, 0, STRFLDSET(struct ast_sip_endpoint, incoming_mwi_mailbox));<br> <br> if (ast_sip_initialize_sorcery_transport()) {<br> ast_log(LOG_ERROR, "Failed to register SIP transport support with sorcery\n");<br>@@ -2159,6 +2160,9 @@<br> ao2_cleanup(endpoint);<br> return NULL;<br> }<br>+<br>+ ast_string_field_init_extended(endpoint, incoming_mwi_mailbox);<br>+<br> if (!(endpoint->media.codecs = ast_format_cap_alloc(AST_FORMAT_CAP_FLAG_DEFAULT))) {<br> ao2_cleanup(endpoint);<br> return NULL;<br>diff --git a/res/res_pjsip_pubsub.c b/res/res_pjsip_pubsub.c<br>index 9f0eae2..a5c4a60 100644<br>--- a/res/res_pjsip_pubsub.c<br>+++ b/res/res_pjsip_pubsub.c<br>@@ -31,6 +31,7 @@<br> #include <pjsip_simple.h><br> #include <pjlib.h><br> <br>+#include "asterisk/app.h"<br> #include "asterisk/res_pjsip_pubsub.h"<br> #include "asterisk/module.h"<br> #include "asterisk/linkedlists.h"<br>@@ -3402,12 +3403,125 @@<br> return res;<br> }<br> <br>+struct simple_message_summary {<br>+ int messages_waiting;<br>+ int voice_messages_new;<br>+ int voice_messages_old;<br>+ int voice_messages_urgent_new;<br>+ int voice_messages_urgent_old;<br>+ char message_account[PJSIP_MAX_URL_SIZE];<br>+};<br>+<br>+static struct simple_message_summary *parse_simple_message_summary(char *body)<br>+{<br>+ char *line;<br>+ char *buffer;<br>+ struct simple_message_summary *summary;<br>+<br>+ if (ast_strlen_zero(body)) {<br>+ return NULL;<br>+ }<br>+<br>+ summary = ast_calloc(1, sizeof(*summary));<br>+ if (!summary) {<br>+ return NULL;<br>+ }<br>+ buffer = ast_strdupa(body);<br>+<br>+ while ((line = ast_read_line_from_buffer(&buffer))) {<br>+ line = ast_str_to_lower(line);<br>+<br>+ if (!sscanf(line, "voice-message: %d/%d (%d/%d)",<br>+ &summary->voice_messages_new, &summary->voice_messages_old,<br>+ &summary->voice_messages_urgent_new, &summary->voice_messages_urgent_old)) {<br>+ sscanf(line, "message-account: %s", summary->message_account);<br>+ }<br>+ }<br>+<br>+ return summary;<br>+}<br>+<br>+static pj_bool_t pubsub_on_rx_mwi_notify_request(pjsip_rx_data *rdata)<br>+{<br>+ RAII_VAR(struct ast_sip_endpoint *, endpoint, NULL, ao2_cleanup);<br>+ struct simple_message_summary *summary = NULL;<br>+ const char *endpoint_name;<br>+ char *atsign;<br>+ char *context;<br>+ char *body;<br>+ char *mailbox;<br>+ int rc;<br>+<br>+ endpoint = ast_pjsip_rdata_get_endpoint(rdata);<br>+ if (!endpoint) {<br>+ ast_debug(1, "Endpoint not found in rdata (%p)\n", rdata);<br>+ rc = 404;<br>+ goto error;<br>+ }<br>+<br>+ endpoint_name = ast_sorcery_object_get_id(endpoint);<br>+ ast_debug(1, "Found endpoint: %s\n", endpoint_name);<br>+ if (ast_strlen_zero(endpoint->incoming_mwi_mailbox)) {<br>+ ast_debug(1, "No incoming mailbox specified for endpoint '%s'\n", endpoint_name);<br>+ rc = 404;<br>+ goto error;<br>+ }<br>+<br>+ mailbox = ast_strdupa(endpoint->incoming_mwi_mailbox);<br>+ atsign = strchr(mailbox, '@');<br>+ if (!atsign) {<br>+ ast_debug(1, "No '@' found in endpoint %s's incoming mailbox '%s'. Can't parse context\n",<br>+ endpoint_name, endpoint->incoming_mwi_mailbox);<br>+ rc = 404;<br>+ goto error;<br>+ }<br>+<br>+ *atsign = '\0';<br>+ context = atsign + 1;<br>+<br>+ body = ast_alloca(rdata->msg_info.msg->body->len + 1);<br>+ rdata->msg_info.msg->body->print_body(rdata->msg_info.msg->body, body,<br>+ rdata->msg_info.msg->body->len + 1);<br>+ summary = parse_simple_message_summary(body);<br>+ if (!summary) {<br>+ ast_debug(1, "Endpoint: '%s' There was an issue getting message info from body '%s'\n",<br>+ ast_sorcery_object_get_id(endpoint), body);<br>+ rc = 404;<br>+ goto error;<br>+ }<br>+<br>+ ast_debug(1, "Endpoint: '%s' Mailbox: %s Message-Account: %s Voice-Messages: %d/%d (%d/%d)\n",<br>+ endpoint_name, endpoint->incoming_mwi_mailbox, summary->message_account,<br>+ summary->voice_messages_new, summary->voice_messages_old,<br>+ summary->voice_messages_urgent_new, summary->voice_messages_urgent_old);<br>+<br>+ ast_publish_mwi_state(mailbox, context,<br>+ summary->voice_messages_new, summary->voice_messages_old);<br>+ rc = 200;<br>+<br>+error:<br>+ ast_free(summary);<br>+ pjsip_endpt_respond_stateless(ast_sip_get_pjsip_endpoint(), rdata, rc, NULL, NULL, NULL);<br>+ return PJ_TRUE;<br>+}<br>+<br>+static pj_bool_t pubsub_on_rx_notify_request(pjsip_rx_data *rdata)<br>+{<br>+ if (pj_stricmp2(&rdata->msg_info.msg->body->content_type.type, "application") == 0 &&<br>+ pj_stricmp2(&rdata->msg_info.msg->body->content_type.subtype, "simple-message-summary") == 0) {<br>+ return pubsub_on_rx_mwi_notify_request(rdata);<br>+ }<br>+ return PJ_FALSE;<br>+}<br>+<br> static pj_bool_t pubsub_on_rx_request(pjsip_rx_data *rdata)<br> {<br> if (!pjsip_method_cmp(&rdata->msg_info.msg->line.req.method, pjsip_get_subscribe_method())) {<br> return pubsub_on_rx_subscribe_request(rdata);<br> } else if (!pjsip_method_cmp(&rdata->msg_info.msg->line.req.method, &pjsip_publish_method)) {<br> return pubsub_on_rx_publish_request(rdata);<br>+ } else if (!pjsip_method_cmp(&rdata->msg_info.msg->line.req.method, &pjsip_notify_method)) {<br>+ return pubsub_on_rx_notify_request(rdata);<br> }<br> <br> return PJ_FALSE;<br></pre><p>To view, visit <a href="https://gerrit.asterisk.org/6482">change 6482</a>. To unsubscribe, visit <a href="https://gerrit.asterisk.org/settings">settings</a>.</p><div itemscope itemtype="http://schema.org/EmailMessage"><div itemscope itemprop="action" itemtype="http://schema.org/ViewAction"><link itemprop="url" href="https://gerrit.asterisk.org/6482"/><meta itemprop="name" content="View Change"/></div></div>
<div style="display:none"> Gerrit-Project: asterisk </div>
<div style="display:none"> Gerrit-Branch: 15 </div>
<div style="display:none"> Gerrit-MessageType: newchange </div>
<div style="display:none"> Gerrit-Change-Id: I08bae3d16e77af48fcccc2c936acce8fc0ef0f3c </div>
<div style="display:none"> Gerrit-Change-Number: 6482 </div>
<div style="display:none"> Gerrit-PatchSet: 1 </div>
<div style="display:none"> Gerrit-Owner: George Joseph <gjoseph@digium.com> </div>