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Add first draft of calls to backend web service

This commit is contained in:
vemax78 2013-07-23 22:10:26 +02:00
parent c857ab0d7f
commit 4953ff684d
7 changed files with 293 additions and 4 deletions
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1
build/ac/Makefile.am
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@ -46,6 +46,7 @@ ac_SOURCES = \
$(top_srcdir)/src/common/capwap_lock.c \
$(top_srcdir)/src/common/capwap_socket.c \
$(top_srcdir)/src/ac/ac.c \
$(top_srcdir)/src/ac/ac_backend.c \
$(top_srcdir)/src/ac/ac_execute.c \
$(top_srcdir)/src/ac/ac_session.c \
$(top_srcdir)/src/ac/ac_discovery.c \

8
conf/ac.conf
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@ -3,7 +3,7 @@
version = "1.0";
application: {
standalone = false;
standalone = true;
name = "ac 1";
@ -76,6 +76,12 @@ application: {
};
};
backend: {
server: (
{ url = "http://localhost/csoap.php"; }
);
};
logging: {
enable = true;
level = "debug";

62
src/ac/ac.c
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@ -1,4 +1,6 @@
#include "ac.h"
#include "ac_soap.h"
#include "ac_backend.h"
#include "capwap_dtls.h"
#include <libconfig.h>
@ -63,6 +65,9 @@ static int ac_init(void) {
capwap_lock_init(&g_ac.sessionslock);
g_ac.datasessionshandshake = capwap_list_create();
/* Backend */
g_ac.availablebackends = capwap_array_create(sizeof(struct ac_http_soap_server*), 0, 0);
return 1;
}
@ -96,6 +101,13 @@ static void ac_destroy(void) {
capwap_lock_destroy(&g_ac.sessionslock);
capwap_event_destroy(&g_ac.changesessionlist);
capwap_list_free(g_ac.datasessionshandshake);
/* Backend */
for (i = 0; i < g_ac.availablebackends->count; i++) {
ac_soapclient_free_server(*(struct ac_http_soap_server**)capwap_array_get_item_pointer(g_ac.availablebackends, i));
}
capwap_array_free(g_ac.availablebackends);
}
/* Help */
@ -288,7 +300,12 @@ static int ac_parsing_configuration_1_0(config_t* config) {
desc->vendor = (unsigned long)configVendor;
desc->type = type;
desc->length = lengthValue;
desc->data = (uint8_t*)capwap_alloc(desc->length + 1);
if (!desc->data) {
capwap_outofmemory();
}
strcpy((char*)desc->data, configValue);
desc->data[desc->length] = 0;
} else {
@ -552,6 +569,29 @@ static int ac_parsing_configuration_1_0(config_t* config) {
}
}
/* Backend */
configSetting = config_lookup(config, "backend.server");
if (configSetting != NULL) {
int count = config_setting_length(configSetting);
/* Retrieve server */
for (i = 0; i < count; i++) {
config_setting_t* configServer = config_setting_get_elem(configSetting, i);
if (configServer != NULL) {
if (config_setting_lookup_string(configServer, "url", &configString) == CONFIG_TRUE) {
struct ac_http_soap_server** server = (struct ac_http_soap_server**)capwap_array_get_item_pointer(g_ac.availablebackends, g_ac.availablebackends->count);
/* */
*server = ac_soapclient_create_server(configString);
if (!*server) {
capwap_logging_error("Invalid configuration file, invalid backend.server value");
return 0;
}
}
}
}
}
return 1;
}
@ -688,6 +728,9 @@ int main(int argc, char** argv) {
return CAPWAP_CRYPT_ERROR;
}
/* Init soap module */
ac_soapclient_init();
/* Alloc AC */
if (!ac_init()) {
return AC_ERROR_SYSTEM_FAILER;
@ -709,15 +752,28 @@ int main(int argc, char** argv) {
/* Complete configuration AC */
result = ac_configure();
if (result == CAPWAP_SUCCESSFUL) {
/* Running AC */
result = ac_execute();
ac_close();
/* Enable Backend Management */
if (ac_backend_start()) {
/* Running AC */
result = ac_execute();
/* Disable Backend Management */
ac_backend_stop();
/* Close connection */
ac_close();
} else {
capwap_logging_error("Unable start backend management");
}
}
}
/* Free memory */
ac_destroy();
/* Free soap */
ac_soapclient_free();
/* Free crypt */
capwap_crypt_free();

3
src/ac/ac.h
View File

@ -105,6 +105,9 @@ struct ac_t {
/* Dtls */
int enabledtls;
struct capwap_dtls_context dtlscontext;
/* Backend Management */
struct capwap_array* availablebackends;
};
extern struct ac_t g_ac;

166
src/ac/ac_backend.c Normal file
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@ -0,0 +1,166 @@
#include "ac.h"
#include "ac_backend.h"
#include "ac_soap.h"
/* */
#define SOAP_NAMESPACE_URI "http://smartcapwap/namespace"
/* */
#define AC_BACKEND_WAIT_TIMEOUT 60000
/* */
struct ac_backend_t {
pthread_t threadid;
int endthread;
capwap_event_t wait;
/* Backend Soap */
int activebackend;
int backendstatus;
int errorjoinbackend;
/* Soap Request */
struct ac_http_soap_request* soaprequest;
};
static struct ac_backend_t g_ac_backend;
/* */
static int ac_backend_soap_join(void) {
int result = 0;
struct ac_soap_request* request;
struct ac_http_soap_server* server;
/* Get HTTP Soap Server */
server = *(struct ac_http_soap_server**)capwap_array_get_item_pointer(g_ac.availablebackends, g_ac_backend.activebackend);
/* Build Soap Request */
request = ac_soapclient_create_request("joinBackend", SOAP_NAMESPACE_URI);
if (!request) {
return 0;
}
/* Prepare to Send Request */
g_ac_backend.soaprequest = ac_soapclient_prepare_request(request, server);
if (!g_ac_backend.soaprequest) {
ac_soapclient_free_request(request);
return 0;
}
/* Send Request & Recv Response */
if (ac_soapclient_send_request(g_ac_backend.soaprequest, "presence::joinBackend")) {
struct ac_soap_response* response = ac_soapclient_recv_response(g_ac_backend.soaprequest);
if (response) {
/* */
ac_soapclient_free_response(response);
}
}
/* */
ac_soapclient_close_request(g_ac_backend.soaprequest, 1);
g_ac_backend.soaprequest = NULL;
return result;
}
/* */
static void ac_backend_soap_leave(void) {
if (!g_ac_backend.backendstatus) {
return;
}
}
/* */
static void ac_backend_run(void) {
while (!g_ac_backend.endthread) {
if (g_ac_backend.backendstatus) {
} else {
/* Join with a Backend Server */
if (ac_backend_soap_join()) {
/* Join Complete */
g_ac_backend.backendstatus = 1;
g_ac_backend.errorjoinbackend = 0;
} else {
/* Change Backend Server */
g_ac_backend.activebackend = (g_ac_backend.activebackend + 1) % g_ac.availablebackends->count;
g_ac_backend.errorjoinbackend++;
/* Wait timeout before continue */
if (g_ac_backend.errorjoinbackend >= g_ac.availablebackends->count) {
capwap_event_wait_timeout(&g_ac_backend.wait, AC_BACKEND_WAIT_TIMEOUT);
/* */
g_ac_backend.errorjoinbackend = 0;
}
}
}
}
/* Leave backend */
ac_backend_soap_leave();
}
/* */
static void* ac_backend_thread(void* param) {
capwap_logging_debug("Backend start");
ac_backend_run();
capwap_logging_debug("Backend stop");
/* Thread exit */
pthread_exit(NULL);
return NULL;
}
/* */
int ac_backend_isconnect(void) {
return (g_ac_backend.backendstatus ? 1 : 0);
}
/* */
struct ac_http_soap_server* ac_backend_gethttpsoapserver(void) {
if (!ac_backend_isconnect()) {
return NULL;
}
return *(struct ac_http_soap_server**)capwap_array_get_item_pointer(g_ac.availablebackends, g_ac_backend.activebackend);
}
/* */
int ac_backend_start(void) {
int result;
memset(&g_ac_backend, 0, sizeof(struct ac_backend_t));
/* */
if (!g_ac.availablebackends->count) {
capwap_logging_error("List of available backends is empty");
return 0;
}
/* Init */
capwap_event_init(&g_ac_backend.wait);
/* Create thread */
result = pthread_create(&g_ac_backend.threadid, NULL, ac_backend_thread, NULL);
if (result) {
capwap_logging_debug("Unable create backend thread");
return 0;
}
return 1;
}
/* */
void ac_backend_stop(void) {
void* dummy;
g_ac_backend.endthread = 1;
capwap_event_signal(&g_ac_backend.wait);
pthread_join(g_ac_backend.threadid, &dummy);
/* */
capwap_event_destroy(&g_ac_backend.wait);
}

12
src/ac/ac_backend.h Normal file
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@ -0,0 +1,12 @@
#ifndef __AC_BACKEND_HEADER__
#define __AC_BACKEND_HEADER__
/* */
int ac_backend_start(void);
void ac_backend_stop(void);
/* */
int ac_backend_isconnect(void);
struct ac_http_soap_server* ac_backend_gethttpsoapserver(void);
#endif /* __AC_BACKEND_HEADER__ */

45
webservice/smartcapwap.wsdl Normal file
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@ -0,0 +1,45 @@
<?xml version="1.0" encoding="UTF-8"?>
<wsdl:definitions
name="SmartCAPWAP WebService"
xmlns:wsdl="http://schemas.xmlsoap.org/wsdl/"
xmlns:soap="http://schemas.xmlsoap.org/wsdl/soap/"
xmlns:http="http://schemas.xmlsoap.org/wsdl/http/"
xmlns:xs="http://www.w3.org/2001/XMLSchema"
xmlns:soapenc="http://schemas.xmlsoap.org/soap/encoding/"
xmlns:mime="http://schemas.xmlsoap.org/wsdl/mime/"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:tns="http://smartcapwap/namespace"
targetNamespace="http://smartcapwap/namespace"
>
<wsdl:types>
<xs:schema targetNamespace="http://smartcapwap/namespace" elementFormDefault="qualified"/>
</wsdl:types>
<wsdl:message name="joinBackend"/>
<wsdl:message name="joinBackendResponse">
<wsdl:part name="return" type="xsd:int"/>
</wsdl:message>
<wsdl:portType name="Presence">
<wsdl:operation name="joinBackend">
<wsdl:input message="tns:joinBackend"/>
<wsdl:output message="tns:joinBackendResponse"/>
</wsdl:operation>
</wsdl:portType>
<wsdl:binding name="Presence" type="tns:Presence">
<soap:binding style="rpc" transport="http://schemas.xmlsoap.org/soap/http"/>
<wsdl:operation name="joinBackend">
<soap:operation soapAction="presence::joinBackend"/>
<wsdl:input>
<soap:body use="literal"/>
</wsdl:input>
<wsdl:output>
<soap:body use="literal"/>
</wsdl:output>
</wsdl:operation>
</wsdl:binding>
<wsdl:service name="SmartCAPWAP">
<wsdl:port name="presence" binding="tns:Presence">
<soap:address location=""/>
</wsdl:port>
</wsdl:service>
</wsdl:definitions>