Mercurial > hg > freeDiameter
changeset 1364:a37692441c4d
Snapshot commit of loadtest_cc extension, does not work.
| author | Thomas Klausner <tk@giga.or.at> |
|---|---|
| date | Fri, 07 Jun 2019 14:27:30 +0200 |
| parents | 1bc02b9ecbd6 |
| children | 0d951a67648b |
| files | extensions/loadtest_cc/CMakeLists.txt extensions/loadtest_cc/loadtest_cc.c |
| diffstat | 2 files changed, 307 insertions(+), 0 deletions(-) [+] |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/extensions/loadtest_cc/CMakeLists.txt Fri Jun 07 14:27:30 2019 +0200 @@ -0,0 +1,13 @@ +# The loadtest_cc extension +PROJECT("Credit Control load generator server" C) + +FD_ADD_EXTENSION(loadtest_cc loadtest_cc.c) + + +#### +## INSTALL section ## + +INSTALL(TARGETS loadtest_cc + LIBRARY DESTINATION ${INSTALL_EXTENSIONS_SUFFIX} + COMPONENT freeDiameter-debug-tools) +
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/extensions/loadtest_cc/loadtest_cc.c Fri Jun 07 14:27:30 2019 +0200 @@ -0,0 +1,294 @@ +/********************************************************************************************************** + * Software License Agreement(BSD License) * + * Author: Thomas Klausner <tk@giga.or.at> * + * * + * Copyright(c) 2019, Thomas Klausner * + * All rights reserved. * + * * + * Written under contract by nfotex IT GmbH, http://nfotex.com/ * + * * + * Redistribution and use of this software in source and binary forms, with or without modification, are * + * permitted provided that the following conditions are met: * + * * + * * Redistributions of source code must retain the above * + * copyright notice, this list of conditions and the * + * following disclaimer. * + * * + * * 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. * + * * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "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 THE COPYRIGHT OWNER OR CONTRIBUTORS 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. * + **********************************************************************************************************/ + +/* This extension waits for a signal (SIGUSR2). When it gets it, it + * generates messages as quickly as possible to the configured target + * host; a second SIGUSR2 signal will stop this */ + +#include <freeDiameter/extension.h> + +#include <pthread.h> +#include <signal.h> + +#define MODULE_NAME "loadtest_cc" + +static pthread_t gen_thr = (pthread_t)NULL; +struct disp_hdl *ccr_handler_hdl; +volatile int do_generate = 0; + +const char *target = NULL; + +struct dict_object * aai_avp_do; /* cache the Auth-Application-Id dictionary object */ +struct dict_object * dh_avp_do; /* cache the Destination-Host dictionary object */ +struct dict_object * dr_avp_do; /* cache the Destination-Realm dictionary object */ +struct dict_object * rc_avp_do; /* cache the Result-Code dictionary object */ +struct dict_object * si_avp_do; /* cache the Session-Id dictionary object */ +struct dict_object * pi_avp_do; /* cache the Proxy-Info dictionary object */ +struct dict_object * ph_avp_do; /* cache the Proxy-Host dictionary object */ +struct dict_object * ps_avp_do; /* cache the Proxy-State dictionary object */ + + +static int ccr_handler(struct msg ** msg, struct avp * avp, struct session * sess, void * data, enum disp_action * act) +{ + struct msg_hdr *hdr = NULL; + + TRACE_ENTRY("%p %p %p %p", msg, avp, sess, act); + + if (msg == NULL) + return EINVAL; + + CHECK_FCT(fd_msg_hdr(*msg, &hdr)); + if (hdr->msg_flags & CMD_FLAG_REQUEST) { + fd_log_error("received Credit-Control-Request, dropping it"); + CHECK_FCT(fd_msg_free(*msg)); + *msg = NULL; + return 0; + } + + /* Answer received, check it */ + fd_log_notice("Credit-Control-Answer received, this code should do something about it but doesn't yet"); + /* TODO */ + CHECK_FCT(fd_msg_free(*msg)); + *msg = NULL; + return 0; +} + +/* create message to send */ +struct msg *create_message(const char *destination) +{ + struct dict_object *command; + struct msg *msg; + struct avp *avp, *avp1; + union avp_value val; + struct msg_hdr *msg_hdr; + const char *realm; + const char *session_id = "fixed-session-id-for-now"; + const char *proxy_host = "Dummy-Proxy-Host-to-Increase-Package-Size"; + const char *proxy_state = "This is just date to increase the package size\nXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX"; + + if (fd_dict_search(fd_g_config->cnf_dict, DICT_COMMAND, CMD_BY_NAME, "Credit-Control-Request", &command, ENOENT) != 0) { + fd_log_error("can't find template for 'Credit-Control-Request'"); + return NULL; + } + + if (fd_msg_new(command, MSGFL_ALLOC_ETEID, &msg) != 0) { + fd_log_error("can't create new 'Credit-Control-Request' message"); + return NULL; + } + + /* Application Id in header needs to be set to for since this Credit-Control-Request is for Diameter Credit Control */ + if (fd_msg_hdr(msg, &msg_hdr) != 0) { + fd_log_error("can't get message header for 'Credit-Control-Request' message"); + fd_msg_free(msg); + return NULL; + } + msg_hdr->msg_appl = 4; + + if (fd_msg_add_origin(msg, 0) != 0) { + fd_log_error("can't set Origin for 'Credit-Control-Request' message"); + fd_msg_free(msg); + return NULL; + } + /* Destination-Host */ + fd_msg_avp_new(dh_avp_do, 0, &avp); + memset(&val, 0, sizeof(val)); + val.os.data = (uint8_t *)target; + val.os.len = strlen(target); + if (fd_msg_avp_setvalue(avp, &val) != 0) { + fd_msg_free(msg); + fd_log_error("can't set value for 'Destination-Host' for 'Credit-Control-Request' message"); + return NULL; + } + fd_msg_avp_add(msg, MSG_BRW_LAST_CHILD, avp); + + if ((realm = strchr(target, '.')) == NULL) { + fd_msg_free(msg); + fd_log_error("can't extract realm from host '%s'", target); + return NULL; + } + /* skip dot */ + realm++; + /* Destination-Realm */ + fd_msg_avp_new(dr_avp_do, 0, &avp); + memset(&val, 0, sizeof(val)); + val.os.data = (uint8_t *)realm; + val.os.len = strlen(realm); + if (fd_msg_avp_setvalue(avp, &val) != 0) { + fd_msg_free(msg); + fd_log_error("can't set value for 'Destination-Realm' for 'Credit-Control-Request' message"); + return NULL; + } + fd_msg_avp_add(msg, MSG_BRW_LAST_CHILD, avp); + /* Session-Id */ + fd_msg_avp_new(si_avp_do, 0, &avp); + memset(&val, 0, sizeof(val)); + val.os.data = (uint8_t *)session_id; + val.os.len = strlen(session_id); + if (fd_msg_avp_setvalue(avp, &val) != 0) { + fd_msg_free(msg); + fd_log_error("can't set value for 'Session-Id' for 'Credit-Control-Request' message"); + return NULL; + } + fd_msg_avp_add(msg, MSG_BRW_FIRST_CHILD, avp); + /* Auth-Application-Id */ + fd_msg_avp_new(aai_avp_do, 0, &avp); + memset(&val, 0, sizeof(val)); + val.i32 = 4; + if (fd_msg_avp_setvalue(avp, &val) != 0) { + fd_msg_free(msg); + fd_log_error("can't set value for 'Auth-Application-Id' for 'Credit-Control-Request' message"); + return NULL; + } + fd_msg_avp_add(msg, MSG_BRW_LAST_CHILD, avp); + + /* Proxy-Info */ + fd_msg_avp_new(pi_avp_do, 0, &avp); + /* Proxy-Host */ + fd_msg_avp_new(ph_avp_do, 0, &avp1); + memset(&val, 0, sizeof(val)); + val.os.data = (uint8_t *)proxy_host; + val.os.len = strlen(proxy_host); + if (fd_msg_avp_setvalue(avp1, &val) != 0) { + fd_msg_free(msg); + fd_log_error("can't set value for 'Proxy-Host' for 'Credit-Control-Request' message"); + return NULL; + } + fd_msg_avp_add(avp, MSG_BRW_LAST_CHILD, avp1); + /* Proxy-State */ + fd_msg_avp_new(ps_avp_do, 0, &avp1); + memset(&val, 0, sizeof(val)); + val.os.data = (uint8_t *)proxy_state; + val.os.len = strlen(proxy_state); + if (fd_msg_avp_setvalue(avp1, &val) != 0) { + fd_msg_free(msg); + fd_log_error("can't set value for 'Proxy-State' for 'Credit-Control-Request' message"); + return NULL; + } + fd_msg_avp_add(avp, MSG_BRW_LAST_CHILD, avp1); + fd_msg_avp_add(msg, MSG_BRW_LAST_CHILD, avp); + + return msg; +} + +/* The thread that handles expired entries cleanup. */ +void * gen_thr_fct(void * arg) +{ + struct msg *msg; + fd_log_threadname ( "Loadtest/Generator" ); + + do { + if (do_generate) { + fd_msg_send(&msg, NULL, NULL); + fd_log_notice("sent message"); + sleep(1); + } else { + sleep(1); + } + } while (1); +} + +/* signal handler */ +static void sig_hdlr(void) +{ + if (do_generate) { + do_generate = 0; + } else { + do_generate = 1; + } + fd_log_notice("%s: switched generation of CCRs %s", MODULE_NAME, do_generate ? "on" : "off"); +} + +/* entry hook: register callback */ +static int cc_entry(char * conffile) +{ + struct disp_when data; + + if ((target = conffile) == NULL) { + fd_log_error("invalid conffile"); + return EINVAL; + } + + memset(&data, 0, sizeof(data)); + + /* Advertise the support for the Diameter Credit Control application in the peer */ + CHECK_FCT( fd_dict_search( fd_g_config->cnf_dict, DICT_APPLICATION, APPLICATION_BY_NAME, "Diameter Credit Control Application", &data.app, ENOENT) ); + CHECK_FCT( fd_disp_app_support ( data.app, NULL, 1, 0 ) ); + + /* register handler for CCR */ + CHECK_FCT( fd_dict_search( fd_g_config->cnf_dict, DICT_COMMAND, CMD_BY_NAME, "Credit-Control-Request", &data.command, ENOENT) ); + CHECK_FCT( fd_disp_register( ccr_handler, DISP_HOW_CC, &data, NULL, &ccr_handler_hdl ) ); + + CHECK_FCT_DO(fd_dict_search(fd_g_config->cnf_dict, DICT_AVP, AVP_BY_NAME, "Auth-Application-Id", &aai_avp_do, ENOENT), + { LOG_E("Unable to find 'Auth-Application-Id' AVP in the loaded dictionaries."); }); + CHECK_FCT_DO(fd_dict_search(fd_g_config->cnf_dict, DICT_AVP, AVP_BY_NAME, "Destination-Host", &dh_avp_do, ENOENT), + { LOG_E("Unable to find 'Destination-Host' AVP in the loaded dictionaries."); }); + CHECK_FCT_DO(fd_dict_search(fd_g_config->cnf_dict, DICT_AVP, AVP_BY_NAME, "Destination-Realm", &dr_avp_do, ENOENT), + { LOG_E("Unable to find 'Destination-Realm' AVP in the loaded dictionaries."); }); + CHECK_FCT_DO(fd_dict_search(fd_g_config->cnf_dict, DICT_AVP, AVP_BY_NAME, "Result-Code", &rc_avp_do, ENOENT), + { LOG_E("Unable to find 'Result-Code' AVP in the loaded dictionaries."); }); + CHECK_FCT_DO(fd_dict_search(fd_g_config->cnf_dict, DICT_AVP, AVP_BY_NAME, "Session-Id", &si_avp_do, ENOENT), + { LOG_E("Unable to find 'Session-Id' AVP in the loaded dictionaries."); }); + CHECK_FCT_DO(fd_dict_search(fd_g_config->cnf_dict, DICT_AVP, AVP_BY_NAME, "Proxy-Info", &pi_avp_do, ENOENT), + { LOG_E("Unable to find 'Proxy-Info' AVP in the loaded dictionaries."); }); + CHECK_FCT_DO(fd_dict_search(fd_g_config->cnf_dict, DICT_AVP, AVP_BY_NAME, "Proxy-Host", &ph_avp_do, ENOENT), + { LOG_E("Unable to find 'Proxy-Host' AVP in the loaded dictionaries."); }); + CHECK_FCT_DO(fd_dict_search(fd_g_config->cnf_dict, DICT_AVP, AVP_BY_NAME, "Proxy-State", &ps_avp_do, ENOENT), + { LOG_E("Unable to find 'Proxy-State' AVP in the loaded dictionaries."); }); + + /* Start the generator thread */ + CHECK_POSIX( pthread_create( &gen_thr, NULL, gen_thr_fct, NULL ) ); + + /* Register generator callback */ + CHECK_FCT(fd_event_trig_regcb(SIGUSR2, MODULE_NAME, sig_hdlr)); + + return 0; +} + +/* And terminate it */ +void fd_ext_fini(void) +{ + /* stop sending */ + do_generate = 0; + + /* Stop the expiry thread */ + CHECK_FCT_DO( fd_thr_term(&gen_thr), ); + + /* Unregister the callbacks */ + if (ccr_handler_hdl) { + CHECK_FCT_DO( fd_disp_unregister(&ccr_handler_hdl, NULL), ); + ccr_handler_hdl = NULL; + } + + return; +} + + +EXTENSION_ENTRY(MODULE_NAME, cc_entry);