diff options
author | 2017-05-18 11:09:08 -0400 | |
---|---|---|
committer | 2017-05-18 11:09:08 -0400 | |
commit | fee6de844f9d4c3aad87733734d35df50117b6b0 (patch) | |
tree | 3f42567107ac4a10795c8e80c42b479c4502cbda /vnfs/VES5.0/evel/evel-library/code/evel_library/evel_sipsignaling.c | |
parent | f3fe765461685a753c0f5b061c5c47383c75829f (diff) |
Change location of VES5.0 code
Change-Id: If8a1173813eb4d5c14c04b132269696a748505e7
Signed-off-by: Marco Platania <platania@research.att.com>
Diffstat (limited to 'vnfs/VES5.0/evel/evel-library/code/evel_library/evel_sipsignaling.c')
-rw-r--r-- | vnfs/VES5.0/evel/evel-library/code/evel_library/evel_sipsignaling.c | 583 |
1 files changed, 583 insertions, 0 deletions
diff --git a/vnfs/VES5.0/evel/evel-library/code/evel_library/evel_sipsignaling.c b/vnfs/VES5.0/evel/evel-library/code/evel_library/evel_sipsignaling.c new file mode 100644 index 00000000..66d01cb4 --- /dev/null +++ b/vnfs/VES5.0/evel/evel-library/code/evel_library/evel_sipsignaling.c @@ -0,0 +1,583 @@ +/**************************************************************************//** + * @file + * Implementation of EVEL functions relating to Signaling. + * + * License + * ------- + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: This product includes + * software developed by the AT&T. + * 4. Neither the name of AT&T nor the names of its contributors may be used to + * endorse or promote products derived from this software without specific + * prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY AT&T INTELLECTUAL PROPERTY ''AS IS'' AND ANY + * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL AT&T INTELLECTUAL PROPERTY BE LIABLE FOR ANY + * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + *****************************************************************************/ + +#include <string.h> +#include <assert.h> +#include <stdlib.h> + +#include "evel_throttle.h" + +/**************************************************************************//** + * Create a new Signaling event. + * + * @note The mandatory fields on the Signaling must be supplied to + * this factory function and are immutable once set. Optional fields + * have explicit setter functions, but again values may only be set + * once so that the event has immutable properties. + * @param vendor_name The vendor id to encode in the event vnf field. + * @param module The module to encode in the event. + * @param vnfname The Virtual network function to encode in the event. + * @returns pointer to the newly manufactured ::EVENT_SIGNALING. If the event + * is not used (i.e. posted) it must be released using + * ::evel_free_signaling. + * @retval NULL Failed to create the event. + *****************************************************************************/ +EVENT_SIGNALING * evel_new_signaling(const char * const vendor_name, + const char * const correlator, + const char * const local_ip_address, + const char * const local_port, + const char * const remote_ip_address, + const char * const remote_port) +{ + EVENT_SIGNALING * event = NULL; + + EVEL_ENTER(); + + /***************************************************************************/ + /* Check preconditions. */ + /***************************************************************************/ + assert(vendor_name != NULL); + + /***************************************************************************/ + /* Allocate the Signaling event. */ + /***************************************************************************/ + event = malloc(sizeof(EVENT_SIGNALING)); + if (event == NULL) + { + log_error_state("Out of memory"); + goto exit_label; + } + memset(event, 0, sizeof(EVENT_SIGNALING)); + EVEL_DEBUG("New Signaling event is at %lp", event); + + /***************************************************************************/ + /* Initialize the header & the Signaling fields. */ + /***************************************************************************/ + evel_init_header(&event->header,"SipSignaling"); + event->header.event_domain = EVEL_DOMAIN_SIPSIGNALING; + event->major_version = EVEL_SIGNALING_MAJOR_VERSION; + event->minor_version = EVEL_SIGNALING_MINOR_VERSION; + evel_init_vendor_field(&event->vnfname_field, vendor_name); + evel_set_option_string(&event->correlator,correlator,"Init correlator"); + evel_set_option_string(&event->local_ip_address,local_ip_address,"Init correlator"); + evel_set_option_string(&event->local_port,local_port,"Init local port"); + evel_set_option_string(&event->remote_ip_address,remote_ip_address,"Init remote ip"); + evel_set_option_string(&event->remote_port,remote_port,"Init remote port"); + evel_init_option_string(&event->compressed_sip); + evel_init_option_string(&event->summary_sip); + dlist_initialize(&event->additional_info); + +exit_label: + + EVEL_EXIT(); + return event; +} + +/**************************************************************************//** + * Add an additional value name/value pair to the SIP signaling. + * + * The name and value are null delimited ASCII strings. The library takes + * a copy so the caller does not have to preserve values after the function + * returns. + * + * @param event Pointer to the fault. + * @param name ASCIIZ string with the attribute's name. The caller + * does not need to preserve the value once the function + * returns. + * @param value ASCIIZ string with the attribute's value. The caller + * does not need to preserve the value once the function + * returns. + *****************************************************************************/ +void evel_signaling_addl_info_add(EVENT_SIGNALING * event, char * name, char * value) +{ + FAULT_ADDL_INFO * addl_info = NULL; + EVEL_ENTER(); + + /***************************************************************************/ + /* Check preconditions. */ + /***************************************************************************/ + assert(event != NULL); + assert(event->header.event_domain == EVEL_DOMAIN_SIPSIGNALING); + assert(name != NULL); + assert(value != NULL); + + EVEL_DEBUG("Adding name=%s value=%s", name, value); + addl_info = malloc(sizeof(SIGNALING_ADDL_FIELD)); + assert(addl_info != NULL); + memset(addl_info, 0, sizeof(SIGNALING_ADDL_FIELD)); + addl_info->name = strdup(name); + addl_info->value = strdup(value); + assert(addl_info->name != NULL); + assert(addl_info->value != NULL); + + dlist_push_last(&event->additional_info, addl_info); + + EVEL_EXIT(); +} + + +/**************************************************************************//** + * Set the Event Type property of the Signaling event. + * + * @note The property is treated as immutable: it is only valid to call + * the setter once. However, we don't assert if the caller tries to + * overwrite, just ignoring the update instead. + * + * @param event Pointer to the Signaling event. + * @param type The Event Type to be set. ASCIIZ string. The caller + * does not need to preserve the value once the function + * returns. + *****************************************************************************/ +void evel_signaling_type_set(EVENT_SIGNALING * const event, + const char * const type) +{ + EVEL_ENTER(); + + /***************************************************************************/ + /* Check preconditions and call evel_header_type_set. */ + /***************************************************************************/ + assert(event != NULL); + assert(event->header.event_domain == EVEL_DOMAIN_SIPSIGNALING); + evel_header_type_set(&event->header, type); + + EVEL_EXIT(); +} + +/**************************************************************************//** + * Set the Local Ip Address property of the Signaling event. + * + * @note The property is treated as immutable: it is only valid to call + * the setter once. However, we don't assert if the caller tries to + * overwrite, just ignoring the update instead. + * + * @param event Pointer to the Signaling event. + * @param local_ip_address + * The Local Ip Address to be set. ASCIIZ string. The + * caller does not need to preserve the value once the + * function returns. + *****************************************************************************/ +void evel_signaling_local_ip_address_set(EVENT_SIGNALING * const event, + const char * const local_ip_address) +{ + EVEL_ENTER(); + + /***************************************************************************/ + /* Check preconditions. */ + /***************************************************************************/ + assert(event != NULL); + assert(event->header.event_domain == EVEL_DOMAIN_SIPSIGNALING); + assert(local_ip_address != NULL); + + evel_set_option_string(&event->local_ip_address, + local_ip_address, + "Local Ip Address"); + + EVEL_EXIT(); +} + +/**************************************************************************//** + * Set the Local Port property of the Signaling event. + * + * @note The property is treated as immutable: it is only valid to call + * the setter once. However, we don't assert if the caller tries to + * overwrite, just ignoring the update instead. + * + * @param event Pointer to the Signaling event. + * @param local_port The Local Port to be set. ASCIIZ string. The caller + * does not need to preserve the value once the function + * returns. + *****************************************************************************/ +void evel_signaling_local_port_set(EVENT_SIGNALING * const event, + const char * const local_port) +{ + EVEL_ENTER(); + + /***************************************************************************/ + /* Check preconditions. */ + /***************************************************************************/ + assert(event != NULL); + assert(event->header.event_domain == EVEL_DOMAIN_SIPSIGNALING); + assert(local_port != NULL); + + evel_set_option_string(&event->local_port, + local_port, + "Local Port"); + + EVEL_EXIT(); +} + +/**************************************************************************//** + * Set the Remote Ip Address property of the Signaling event. + * + * @note The property is treated as immutable: it is only valid to call + * the setter once. However, we don't assert if the caller tries to + * overwrite, just ignoring the update instead. + * + * @param event Pointer to the Signaling event. + * @param remote_ip_address + * The Remote Ip Address to be set. ASCIIZ string. The + * caller does not need to preserve the value once the + * function returns. + *****************************************************************************/ +void evel_signaling_remote_ip_address_set(EVENT_SIGNALING * const event, + const char * const remote_ip_address) +{ + EVEL_ENTER(); + + /***************************************************************************/ + /* Check preconditions. */ + /***************************************************************************/ + assert(event != NULL); + assert(event->header.event_domain == EVEL_DOMAIN_SIPSIGNALING); + assert(remote_ip_address != NULL); + + evel_set_option_string(&event->remote_ip_address, + remote_ip_address, + "Remote Ip Address"); + + EVEL_EXIT(); +} + +/**************************************************************************//** + * Set the Remote Port property of the Signaling event. + * + * @note The property is treated as immutable: it is only valid to call + * the setter once. However, we don't assert if the caller tries to + * overwrite, just ignoring the update instead. + * + * @param event Pointer to the Signaling event. + * @param remote_port The Remote Port to be set. ASCIIZ string. The caller + * does not need to preserve the value once the function + * returns. + *****************************************************************************/ +void evel_signaling_remote_port_set(EVENT_SIGNALING * const event, + const char * const remote_port) +{ + EVEL_ENTER(); + + /***************************************************************************/ + /* Check preconditions. */ + /***************************************************************************/ + assert(event != NULL); + assert(event->header.event_domain == EVEL_DOMAIN_SIPSIGNALING); + assert(remote_port != NULL); + + evel_set_option_string(&event->remote_port, + remote_port, + "Remote Port"); + + EVEL_EXIT(); +} + +/**************************************************************************//** + * Set the Vendor module property of the Signaling event. + * + * @note The property is treated as immutable: it is only valid to call + * the setter once. However, we don't assert if the caller tries to + * overwrite, just ignoring the update instead. + * + * @param event Pointer to the Signaling event. + * @param modulename The module name to be set. ASCIIZ string. The caller + * does not need to preserve the value once the function + * returns. + *****************************************************************************/ +void evel_signaling_vnfmodule_name_set(EVENT_SIGNALING * const event, + const char * const module_name) +{ + EVEL_ENTER(); + + /***************************************************************************/ + /* Check preconditions. */ + /***************************************************************************/ + assert(event != NULL); + assert(event->header.event_domain == EVEL_DOMAIN_SIPSIGNALING); + assert(module_name != NULL); + + evel_vendor_field_module_set(&event->vnfname_field, module_name); + + EVEL_EXIT(); +} + +/**************************************************************************//** + * Set the Vendor module property of the Signaling event. + * + * @note The property is treated as immutable: it is only valid to call + * the setter once. However, we don't assert if the caller tries to + * overwrite, just ignoring the update instead. + * + * @param event Pointer to the Signaling event. + * @param vnfname The Virtual Network function to be set. ASCIIZ string. + * The caller does not need to preserve the value once + * the function returns. + *****************************************************************************/ +void evel_signaling_vnfname_set(EVENT_SIGNALING * const event, + const char * const vnfname) +{ + EVEL_ENTER(); + + /***************************************************************************/ + /* Check preconditions. */ + /***************************************************************************/ + assert(event != NULL); + assert(event->header.event_domain == EVEL_DOMAIN_SIPSIGNALING); + assert(vnfname != NULL); + + evel_vendor_field_vnfname_set(&event->vnfname_field, vnfname); + + EVEL_EXIT(); +} + +/**************************************************************************//** + * Set the Compressed SIP property of the Signaling event. + * + * @note The property is treated as immutable: it is only valid to call + * the setter once. However, we don't assert if the caller tries to + * overwrite, just ignoring the update instead. + * + * @param event Pointer to the Signaling event. + * @param compressed_sip + * The Compressed SIP to be set. ASCIIZ string. The caller + * does not need to preserve the value once the function + * returns. + *****************************************************************************/ +void evel_signaling_compressed_sip_set(EVENT_SIGNALING * const event, + const char * const compressed_sip) +{ + EVEL_ENTER(); + + /***************************************************************************/ + /* Check preconditions. */ + /***************************************************************************/ + assert(event != NULL); + assert(event->header.event_domain == EVEL_DOMAIN_SIPSIGNALING); + assert(compressed_sip != NULL); + + evel_set_option_string(&event->compressed_sip, + compressed_sip, + "Compressed SIP"); + + EVEL_EXIT(); +} + +/**************************************************************************//** + * Set the Summary SIP property of the Signaling event. + * + * @note The property is treated as immutable: it is only valid to call + * the setter once. However, we don't assert if the caller tries to + * overwrite, just ignoring the update instead. + * + * @param event Pointer to the Signaling event. + * @param summary_sip The Summary SIP to be set. ASCIIZ string. The caller + * does not need to preserve the value once the function + * returns. + *****************************************************************************/ +void evel_signaling_summary_sip_set(EVENT_SIGNALING * const event, + const char * const summary_sip) +{ + EVEL_ENTER(); + + /***************************************************************************/ + /* Check preconditions. */ + /***************************************************************************/ + assert(event != NULL); + assert(event->header.event_domain == EVEL_DOMAIN_SIPSIGNALING); + assert(summary_sip != NULL); + + evel_set_option_string(&event->summary_sip, + summary_sip, + "Summary SIP"); + + EVEL_EXIT(); +} + +/**************************************************************************//** + * Set the Correlator property of the Signaling event. + * + * @note The property is treated as immutable: it is only valid to call + * the setter once. However, we don't assert if the caller tries to + * overwrite, just ignoring the update instead. + * + * @param event Pointer to the Signaling event. + * @param correlator The correlator to be set. ASCIIZ string. The caller + * does not need to preserve the value once the function + * returns. + *****************************************************************************/ +void evel_signaling_correlator_set(EVENT_SIGNALING * const event, + const char * const correlator) +{ + EVEL_ENTER(); + + /***************************************************************************/ + /* Check preconditions and call evel_header_type_set. */ + /***************************************************************************/ + assert(event != NULL); + assert(event->header.event_domain == EVEL_DOMAIN_SIPSIGNALING); + evel_set_option_string(&event->correlator, + correlator, + "Correlator"); + + EVEL_EXIT(); +} + +/**************************************************************************//** + * Encode the Signaling in JSON according to AT&T's schema for the + * event type. + * + * @param jbuf Pointer to the ::EVEL_JSON_BUFFER to encode into. + * @param event Pointer to the ::EVENT_HEADER to encode. + *****************************************************************************/ +void evel_json_encode_signaling(EVEL_JSON_BUFFER * const jbuf, + EVENT_SIGNALING * const event) +{ + SIGNALING_ADDL_FIELD * addl_info = NULL; + DLIST_ITEM * addl_info_item = NULL; + + EVEL_ENTER(); + + /***************************************************************************/ + /* Check preconditions. */ + /***************************************************************************/ + assert(event != NULL); + assert(event->header.event_domain == EVEL_DOMAIN_SIPSIGNALING); + + evel_json_encode_header(jbuf, &event->header); + evel_json_open_named_object(jbuf, "signalingFields"); + + /***************************************************************************/ + /* Mandatory fields */ + /***************************************************************************/ + + /***************************************************************************/ + /* Optional fields */ + /***************************************************************************/ + evel_enc_kv_opt_string(jbuf, "compressedSip", &event->compressed_sip); + evel_enc_kv_opt_string(jbuf, "correlator", &event->correlator); + evel_enc_kv_opt_string(jbuf, "localIpAddress", &event->local_ip_address); + evel_enc_kv_opt_string(jbuf, "localPort", &event->local_port); + evel_enc_kv_opt_string(jbuf, "remoteIpAddress", &event->remote_ip_address); + evel_enc_kv_opt_string(jbuf, "remotePort", &event->remote_port); + evel_enc_version(jbuf, "signalingFieldsVersion", event->major_version,event->minor_version); + evel_enc_kv_opt_string(jbuf, "summarySip", &event->summary_sip); + evel_json_encode_vendor_field(jbuf, &event->vnfname_field); + + + /***************************************************************************/ + /* Checkpoint, so that we can wind back if all fields are suppressed. */ + /***************************************************************************/ + evel_json_checkpoint(jbuf); + if (evel_json_open_opt_named_list(jbuf, "additionalInformation")) + { + bool item_added = false; + + addl_info_item = dlist_get_first(&event->additional_info); + while (addl_info_item != NULL) + { + addl_info = (SIGNALING_ADDL_FIELD*) addl_info_item->item; + assert(addl_info != NULL); + + if (!evel_throttle_suppress_nv_pair(jbuf->throttle_spec, + "additionalInformation", + addl_info->name)) + { + evel_json_open_object(jbuf); + evel_enc_kv_string(jbuf, "name", addl_info->name); + evel_enc_kv_string(jbuf, "value", addl_info->value); + evel_json_close_object(jbuf); + item_added = true; + } + addl_info_item = dlist_get_next(addl_info_item); + } + evel_json_close_list(jbuf); + + /*************************************************************************/ + /* If we've not written anything, rewind to before we opened the list. */ + /*************************************************************************/ + if (!item_added) + { + evel_json_rewind(jbuf); + } + } + + evel_json_close_object(jbuf); + + EVEL_EXIT(); +} + +/**************************************************************************//** + * Free a Signaling event. + * + * Free off the event supplied. Will free all the contained allocated memory. + * + * @note It does not free the event itself, since that may be part of a larger + * structure. + *****************************************************************************/ +void evel_free_signaling(EVENT_SIGNALING * const event) +{ + SIGNALING_ADDL_FIELD * addl_info = NULL; + EVEL_ENTER(); + + /***************************************************************************/ + /* Check preconditions. As an internal API we don't allow freeing NULL */ + /* events as we do on the public API. */ + /***************************************************************************/ + assert(event != NULL); + assert(event->header.event_domain == EVEL_DOMAIN_SIPSIGNALING); + + /***************************************************************************/ + /* Free all internal strings then the header itself. */ + /***************************************************************************/ + addl_info = dlist_pop_last(&event->additional_info); + while (addl_info != NULL) + { + EVEL_DEBUG("Freeing Additional Info (%s, %s)", + addl_info->name, + addl_info->value); + free(addl_info->name); + free(addl_info->value); + free(addl_info); + addl_info = dlist_pop_last(&event->additional_info); + } + + evel_free_event_vendor_field(&event->vnfname_field); + evel_free_option_string(&event->correlator); + evel_free_option_string(&event->local_ip_address); + evel_free_option_string(&event->local_port); + evel_free_option_string(&event->remote_ip_address); + evel_free_option_string(&event->remote_port); + evel_free_option_string(&event->compressed_sip); + evel_free_option_string(&event->summary_sip); + evel_free_header(&event->header); + + EVEL_EXIT(); +} |