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haproxy/addons/wurfl/wurfl.c

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#include <stdio.h>
#include <stdarg.h>
#include <import/ebmbtree.h>
#include <import/ebsttree.h>
#include <haproxy/api.h>
#include <haproxy/arg.h>
#include <haproxy/buf-t.h>
#include <haproxy/cfgparse.h>
#include <haproxy/chunk.h>
#include <haproxy/errors.h>
#include <haproxy/global.h>
#include <haproxy/http_ana.h>
#include <haproxy/http_fetch.h>
#include <haproxy/http_htx.h>
#include <haproxy/log.h>
#include <haproxy/sample.h>
#include <haproxy/tools.h>
#include <wurfl/wurfl.h>
static struct {
char *data_file; /* the WURFL data file */
char *cache_size; /* the WURFL cache parameters */
struct list patch_file_list; /* the list of WURFL patch file to use */
char information_list_separator; /* the separator used in request to separate values */
struct list information_list; /* the list of WURFL data to return into request */
void *handle; /* the handle to WURFL engine */
struct eb_root btree; /* btree containing info (name/type) on WURFL data to return */
} global_wurfl = {
.data_file = NULL,
.cache_size = NULL,
.information_list_separator = ',',
.information_list = LIST_HEAD_INIT(global_wurfl.information_list),
.patch_file_list = LIST_HEAD_INIT(global_wurfl.patch_file_list),
.handle = NULL,
};
#ifdef WURFL_DEBUG
inline static void ha_wurfl_log(char * message, ...)
{
char logbuf[256];
va_list argp;
va_start(argp, message);
vsnprintf(logbuf, sizeof(logbuf), message, argp);
va_end(argp);
send_log(NULL, LOG_NOTICE, "%s", logbuf);
}
#else
inline static void ha_wurfl_log(char * message, ...)
{
}
#endif
#define HA_WURFL_MAX_HEADER_LENGTH 1024
typedef char *(*PROP_CALLBACK_FUNC)(wurfl_handle wHandle, wurfl_device_handle dHandle);
enum wurfl_data_type {
HA_WURFL_DATA_TYPE_UNKNOWN = 0,
HA_WURFL_DATA_TYPE_CAP = 100,
HA_WURFL_DATA_TYPE_VCAP = 200,
HA_WURFL_DATA_TYPE_PROPERTY = 300
};
typedef struct {
char *name;
enum wurfl_data_type type;
PROP_CALLBACK_FUNC func_callback;
struct ebmb_node nd;
} wurfl_data_t;
static const char HA_WURFL_MODULE_VERSION[] = "2.0";
static const char HA_WURFL_ISDEVROOT_FALSE[] = "FALSE";
static const char HA_WURFL_ISDEVROOT_TRUE[] = "TRUE";
static const char HA_WURFL_DATA_TYPE_UNKNOWN_STRING[] = "unknown";
static const char HA_WURFL_DATA_TYPE_CAP_STRING[] = "capability";
static const char HA_WURFL_DATA_TYPE_VCAP_STRING[] = "virtual_capability";
static const char HA_WURFL_DATA_TYPE_PROPERTY_STRING[] = "property";
static const char *ha_wurfl_retrieve_header(const char *header_name, const void *wh);
static const char *ha_wurfl_get_wurfl_root_id (wurfl_handle wHandle, wurfl_device_handle dHandle);
static const char *ha_wurfl_get_wurfl_id (wurfl_handle wHandle, wurfl_device_handle dHandle);
static const char *ha_wurfl_get_wurfl_isdevroot (wurfl_handle wHandle, wurfl_device_handle dHandle);
static const char *ha_wurfl_get_wurfl_useragent (wurfl_handle wHandle, wurfl_device_handle dHandle);
static const char *ha_wurfl_get_wurfl_api_version (wurfl_handle wHandle, wurfl_device_handle dHandle);
static const char *ha_wurfl_get_wurfl_engine_target (wurfl_handle wHandle, wurfl_device_handle dHandle);
static const char *ha_wurfl_get_wurfl_info (wurfl_handle wHandle, wurfl_device_handle dHandle);
static const char *ha_wurfl_get_wurfl_last_load_time (wurfl_handle wHandle, wurfl_device_handle dHandle);
static const char *ha_wurfl_get_wurfl_normalized_useragent (wurfl_handle wHandle, wurfl_device_handle dHandle);
static const char *ha_wurfl_get_wurfl_useragent_priority (wurfl_handle wHandle, wurfl_device_handle dHandle);
static const char *(*ha_wurfl_get_property_callback(char *name)) (wurfl_handle wHandle, wurfl_device_handle dHandle);
// ordered property=>function map, suitable for binary search
static const struct {
const char *name;
const char *(*func)(wurfl_handle wHandle, wurfl_device_handle dHandle);
} wurfl_properties_function_map [] = {
{"wurfl_api_version", ha_wurfl_get_wurfl_api_version},
{"wurfl_engine_target", ha_wurfl_get_wurfl_engine_target}, // kept for backward conf file compat
{"wurfl_id", ha_wurfl_get_wurfl_id },
{"wurfl_info", ha_wurfl_get_wurfl_info },
{"wurfl_isdevroot", ha_wurfl_get_wurfl_isdevroot},
{"wurfl_last_load_time", ha_wurfl_get_wurfl_last_load_time},
{"wurfl_normalized_useragent", ha_wurfl_get_wurfl_normalized_useragent},
{"wurfl_root_id", ha_wurfl_get_wurfl_root_id},
{"wurfl_useragent", ha_wurfl_get_wurfl_useragent},
{"wurfl_useragent_priority", ha_wurfl_get_wurfl_useragent_priority }, // kept for backward conf file compat
};
static const int HA_WURFL_PROPERTIES_NBR = 10;
typedef struct {
struct list list;
wurfl_data_t data;
} wurfl_information_t;
typedef struct {
struct list list;
char *patch_file_path;
} wurfl_patches_t;
typedef struct {
struct sample *wsmp;
char header_value[HA_WURFL_MAX_HEADER_LENGTH + 1];
} ha_wurfl_header_t;
/*
* configuration parameters parsing functions
*/
static int ha_wurfl_cfg_data_file(char **args, int section_type, struct proxy *curpx,
const struct proxy *defpx, const char *file, int line,
char **err)
{
if (*(args[1]) == 0) {
memprintf(err, "WURFL: %s expects a value.\n", args[0]);
return -1;
}
global_wurfl.data_file = strdup(args[1]);
return 0;
}
static int ha_wurfl_cfg_cache(char **args, int section_type, struct proxy *curpx,
const struct proxy *defpx, const char *file, int line,
char **err)
{
if (*(args[1]) == 0) {
memprintf(err, "WURFL: %s expects a value.\n", args[0]);
return -1;
}
global_wurfl.cache_size = strdup(args[1]);
return 0;
}
static int ha_wurfl_cfg_engine_mode(char **args, int section_type, struct proxy *curpx,
const struct proxy *defpx, const char *file, int line,
char **err)
{
// kept for backward conf file compat
return 0;
}
static int ha_wurfl_cfg_information_list_separator(char **args, int section_type, struct proxy *curpx,
const struct proxy *defpx, const char *file, int line,
char **err)
{
if (*(args[1]) == 0) {
memprintf(err, "WURFL: %s expects a single character.\n", args[0]);
return -1;
}
if (strlen(args[1]) > 1) {
memprintf(err, "WURFL: %s expects a single character, got %s.\n", args[0], args[1]);
return -1;
}
global_wurfl.information_list_separator = *args[1];
return 0;
}
static int ha_wurfl_cfg_information_list(char **args, int section_type, struct proxy *curpx,
const struct proxy *defpx, const char *file, int line,
char **err)
{
int argIdx = 1;
wurfl_information_t *wi;
if (*(args[argIdx]) == 0) {
memprintf(err, "WURFL: %s expects a value.\n", args[0]);
return -1;
}
while (*(args[argIdx])) {
wi = calloc(1, sizeof(*wi));
if (wi == NULL) {
memprintf(err, "WURFL: Error allocating memory for %s element.\n", args[0]);
return -1;
}
wi->data.name = strdup(args[argIdx]);
wi->data.type = HA_WURFL_DATA_TYPE_UNKNOWN;
wi->data.func_callback = NULL;
LIST_APPEND(&global_wurfl.information_list, &wi->list);
++argIdx;
}
return 0;
}
static int ha_wurfl_cfg_patch_file_list(char **args, int section_type, struct proxy *curpx,
const struct proxy *defpx, const char *file, int line,
char **err)
{
int argIdx = 1;
wurfl_patches_t *wp;
if (*(args[argIdx]) == 0) {
memprintf(err, "WURFL: %s expects a value.\n", args[0]);
return -1;
}
while (*(args[argIdx])) {
wp = calloc(1, sizeof(*wp));
if (wp == NULL) {
memprintf(err, "WURFL: Error allocating memory for %s element.\n", args[0]);
return -1;
}
wp->patch_file_path = strdup(args[argIdx]);
LIST_APPEND(&global_wurfl.patch_file_list, &wp->list);
++argIdx;
}
return 0;
}
static int ha_wurfl_cfg_useragent_priority(char **args, int section_type, struct proxy *curpx,
const struct proxy *defpx, const char *file, int line,
char **err)
{
// this feature is deprecated, keeping only not to break compatibility
// with old configuration files.
return 0;
}
/*
* module init / deinit functions. Returns 0 if OK, or a combination of ERR_*.
*/
static int ha_wurfl_init(void)
{
wurfl_information_t *wi;
wurfl_patches_t *wp;
wurfl_data_t * wn;
int wurfl_result_code = WURFL_OK;
int len;
// wurfl-data-file not configured, WURFL is not used so don't try to
// configure it.
if (global_wurfl.data_file == NULL)
return ERR_NONE;
ha_notice("WURFL: Loading module v.%s\n", HA_WURFL_MODULE_VERSION);
// creating WURFL handler
global_wurfl.handle = wurfl_create();
if (global_wurfl.handle == NULL) {
ha_warning("WURFL: Engine handler creation failed\n");
return ERR_WARN;
}
ha_notice("WURFL: Engine handler created - API version %s\n", wurfl_get_api_version() );
// set wurfl data file
if (wurfl_set_root(global_wurfl.handle, global_wurfl.data_file) != WURFL_OK) {
ha_warning("WURFL: Engine setting root file failed - %s\n", wurfl_get_error_message(global_wurfl.handle));
return ERR_WARN;
}
ha_notice("WURFL: Engine root file set to %s\n", global_wurfl.data_file);
// just a log to inform which separator char has to be used
ha_notice("WURFL: Information list separator set to '%c'\n", global_wurfl.information_list_separator);
// load wurfl data needed ( and filter whose are supposed to be capabilities )
if (LIST_ISEMPTY(&global_wurfl.information_list)) {
ha_warning("WURFL: missing wurfl-information-list parameter in global configuration\n");
return ERR_WARN;
} else {
// ebtree initialization
global_wurfl.btree = EB_ROOT;
// checking if information is valid WURFL data ( cap, vcaps, properties )
list_for_each_entry(wi, &global_wurfl.information_list, list) {
// check if information is already loaded looking into btree
if (ebst_lookup(&global_wurfl.btree, wi->data.name) == NULL) {
if ((wi->data.func_callback = (PROP_CALLBACK_FUNC) ha_wurfl_get_property_callback(wi->data.name)) != NULL) {
wi->data.type = HA_WURFL_DATA_TYPE_PROPERTY;
#ifdef WURFL_DEBUG
ha_notice("WURFL: [%s] is a valid wurfl data [property]\n",wi->data.name);
#endif
} else if (wurfl_has_virtual_capability(global_wurfl.handle, wi->data.name)) {
wi->data.type = HA_WURFL_DATA_TYPE_VCAP;
#ifdef WURFL_DEBUG
ha_notice("WURFL: [%s] is a valid wurfl data [virtual capability]\n",wi->data.name);
#endif
} else {
// by default a cap type is assumed to be and we control it on engine load
wi->data.type = HA_WURFL_DATA_TYPE_CAP;
if (wurfl_add_requested_capability(global_wurfl.handle, wi->data.name) != WURFL_OK) {
ha_warning("WURFL: capability filtering failed - %s\n", wurfl_get_error_message(global_wurfl.handle));
return ERR_WARN;
}
ha_notice("WURFL: [%s] treated as wurfl capability. Will check its validity later, on engine load\n",wi->data.name);
}
// ebtree insert here
len = strlen(wi->data.name);
wn = malloc(sizeof(wurfl_data_t) + len + 1);
if (wn == NULL) {
ha_warning("WURFL: Error allocating memory for information tree element.\n");
return ERR_WARN;
}
wn->name = wi->data.name;
wn->type = wi->data.type;
wn->func_callback = wi->data.func_callback;
memcpy(wn->nd.key, wi->data.name, len);
wn->nd.key[len] = 0;
if (!ebst_insert(&global_wurfl.btree, &wn->nd)) {
ha_warning("WURFL: [%s] not inserted in btree\n",wn->name);
return ERR_WARN;
}
} else {
#ifdef WURFL_DEBUG
ha_notice("WURFL: [%s] already loaded\n",wi->data.name);
#endif
}
}
}
// adding WURFL patches if needed
if (!LIST_ISEMPTY(&global_wurfl.patch_file_list)) {
list_for_each_entry(wp, &global_wurfl.patch_file_list, list) {
if (wurfl_add_patch(global_wurfl.handle, wp->patch_file_path) != WURFL_OK) {
ha_warning("WURFL: Engine adding patch file failed - %s\n", wurfl_get_error_message(global_wurfl.handle));
return ERR_WARN;
}
ha_notice("WURFL: Engine patch file added %s\n", wp->patch_file_path);
}
}
// setting cache provider if specified in cfg, otherwise let engine choose
if (global_wurfl.cache_size != NULL) {
if (strpbrk(global_wurfl.cache_size, ",") != NULL) {
wurfl_result_code = wurfl_set_cache_provider(global_wurfl.handle, WURFL_CACHE_PROVIDER_DOUBLE_LRU, global_wurfl.cache_size) ;
} else {
if (strcmp(global_wurfl.cache_size, "0")) {
wurfl_result_code = wurfl_set_cache_provider(global_wurfl.handle, WURFL_CACHE_PROVIDER_LRU, global_wurfl.cache_size) ;
} else {
wurfl_result_code = wurfl_set_cache_provider(global_wurfl.handle, WURFL_CACHE_PROVIDER_NONE, 0);
}
}
if (wurfl_result_code != WURFL_OK) {
ha_warning("WURFL: Setting cache to [%s] failed - %s\n", global_wurfl.cache_size, wurfl_get_error_message(global_wurfl.handle));
return ERR_WARN;
}
ha_notice("WURFL: Cache set to [%s]\n", global_wurfl.cache_size);
}
// loading WURFL engine
if (wurfl_load(global_wurfl.handle) != WURFL_OK) {
ha_warning("WURFL: Engine load failed - %s\n", wurfl_get_error_message(global_wurfl.handle));
return ERR_WARN;
}
ha_notice("WURFL: Engine loaded\n");
ha_notice("WURFL: Module load completed\n");
return ERR_NONE;
}
static void ha_wurfl_deinit(void)
{
wurfl_information_t *wi, *wi2;
wurfl_patches_t *wp, *wp2;
send_log(NULL, LOG_NOTICE, "WURFL: Unloading module v.%s\n", HA_WURFL_MODULE_VERSION);
wurfl_destroy(global_wurfl.handle);
global_wurfl.handle = NULL;
ha_free(&global_wurfl.data_file);
ha_free(&global_wurfl.cache_size);
list_for_each_entry_safe(wi, wi2, &global_wurfl.information_list, list) {
LIST_DELETE(&wi->list);
free(wi);
}
list_for_each_entry_safe(wp, wp2, &global_wurfl.patch_file_list, list) {
LIST_DELETE(&wp->list);
free(wp);
}
send_log(NULL, LOG_NOTICE, "WURFL: Module unloaded\n");
}
static int ha_wurfl_get_all(const struct arg *args, struct sample *smp, const char *kw, void *private)
{
wurfl_device_handle dHandle;
struct buffer *temp;
wurfl_information_t *wi;
ha_wurfl_header_t wh;
struct channel *chn;
struct htx *htx;
ha_wurfl_log("WURFL: starting ha_wurfl_get_all\n");
chn = (smp->strm ? &smp->strm->req : NULL);
htx = smp_prefetch_htx(smp, chn, NULL, 1);
if (!htx)
return 0;
wh.wsmp = smp;
dHandle = wurfl_lookup(global_wurfl.handle, &ha_wurfl_retrieve_header, &wh);
temp = get_trash_chunk();
chunk_reset(temp);
if (!dHandle) {
ha_wurfl_log("WURFL: unable to retrieve device from request %s\n", wurfl_get_error_message(global_wurfl.handle));
goto wurfl_get_all_completed;
}
list_for_each_entry(wi, &global_wurfl.information_list, list) {
switch(wi->data.type) {
case HA_WURFL_DATA_TYPE_UNKNOWN :
ha_wurfl_log("WURFL: %s is of an %s type\n", wi->data.name, HA_WURFL_DATA_TYPE_UNKNOWN_STRING);
#ifdef WURFL_HEADER_WITH_DETAILS
// write WURFL property type and name before its value...
chunk_appendf(temp, "%s=%s", HA_WURFL_DATA_TYPE_UNKNOWN_STRING, wi->data.name);
#endif
break;
case HA_WURFL_DATA_TYPE_CAP :
ha_wurfl_log("WURFL: %s is a %s\n", wi->data.name, HA_WURFL_DATA_TYPE_CAP_STRING);
#ifdef WURFL_HEADER_WITH_DETAILS
// write WURFL property type and name before its value...
chunk_appendf(temp, "%s=%s=", HA_WURFL_DATA_TYPE_CAP_STRING, wi->data.name);
#endif
chunk_appendf(temp, "%s", wurfl_device_get_capability(dHandle, wi->data.name));
break;
case HA_WURFL_DATA_TYPE_VCAP :
ha_wurfl_log("WURFL: %s is a %s\n", wi->data.name, HA_WURFL_DATA_TYPE_VCAP_STRING);
#ifdef WURFL_HEADER_WITH_DETAILS
// write WURFL property type and name before its value...
chunk_appendf(temp, "%s=%s=", HA_WURFL_DATA_TYPE_VCAP_STRING, wi->data.name);
#endif
chunk_appendf(temp, "%s", wurfl_device_get_virtual_capability(dHandle, wi->data.name));
break;
case HA_WURFL_DATA_TYPE_PROPERTY :
ha_wurfl_log("WURFL: %s is a %s\n", wi->data.name, HA_WURFL_DATA_TYPE_PROPERTY_STRING);
#ifdef WURFL_HEADER_WITH_DETAILS
// write WURFL property type and name before its value...
chunk_appendf(temp, "%s=%s=", HA_WURFL_DATA_TYPE_PROPERTY_STRING, wi->data.name);
#endif
chunk_appendf(temp, "%s", wi->data.func_callback(global_wurfl.handle, dHandle));
break;
}
// append wurfl-information-list-separator
chunk_appendf(temp, "%c", global_wurfl.information_list_separator);
}
wurfl_get_all_completed:
wurfl_device_destroy(dHandle);
smp->data.u.str.area = temp->area;
smp->data.u.str.data = temp->data;
// remove trailing wurfl-information-list-separator
if (temp->data) {
temp->area[temp->data] = '\0';
--smp->data.u.str.data;
}
smp->data.type = SMP_T_STR;
return 1;
}
static int ha_wurfl_get(const struct arg *args, struct sample *smp, const char *kw, void *private)
{
wurfl_device_handle dHandle;
struct buffer *temp;
wurfl_data_t *wn = NULL;
struct ebmb_node *node;
ha_wurfl_header_t wh;
int i = 0;
struct channel *chn;
struct htx *htx;
ha_wurfl_log("WURFL: starting ha_wurfl_get\n");
chn = (smp->strm ? &smp->strm->req : NULL);
htx = smp_prefetch_htx(smp, chn, NULL, 1);
if (!htx)
return 0;
wh.wsmp = smp;
dHandle = wurfl_lookup(global_wurfl.handle, &ha_wurfl_retrieve_header, &wh);
temp = get_trash_chunk();
chunk_reset(temp);
if (!dHandle) {
ha_wurfl_log("WURFL: unable to retrieve device from request %s\n", wurfl_get_error_message(global_wurfl.handle));
goto wurfl_get_completed;
}
while (args[i].data.str.area) {
node = ebst_lookup(&global_wurfl.btree, args[i].data.str.area);
if (node) {
wn = container_of(node, wurfl_data_t, nd);
switch(wn->type) {
case HA_WURFL_DATA_TYPE_UNKNOWN :
ha_wurfl_log("WURFL: %s is of an %s type\n", wn->name, HA_WURFL_DATA_TYPE_UNKNOWN_STRING);
#ifdef WURFL_HEADER_WITH_DETAILS
// write WURFL property type and name before its value...
chunk_appendf(temp, "%s=%s", HA_WURFL_DATA_TYPE_UNKNOWN_STRING, wn->name);
#endif
break;
case HA_WURFL_DATA_TYPE_CAP :
ha_wurfl_log("WURFL: %s is a %s\n", wn->name, HA_WURFL_DATA_TYPE_CAP_STRING);
#ifdef WURFL_HEADER_WITH_DETAILS
// write WURFL property type and name before its value...
chunk_appendf(temp, "%s=%s=", HA_WURFL_DATA_TYPE_CAP_STRING, wn->name);
#endif
chunk_appendf(temp, "%s", wurfl_device_get_capability(dHandle, wn->name));
break;
case HA_WURFL_DATA_TYPE_VCAP :
ha_wurfl_log("WURFL: %s is a %s\n", wn->name, HA_WURFL_DATA_TYPE_VCAP_STRING);
#ifdef WURFL_HEADER_WITH_DETAILS
// write WURFL property type and name before its value...
chunk_appendf(temp, "%s=%s=", HA_WURFL_DATA_TYPE_VCAP_STRING, wn->name);
#endif
chunk_appendf(temp, "%s", wurfl_device_get_virtual_capability(dHandle, wn->name));
break;
case HA_WURFL_DATA_TYPE_PROPERTY :
ha_wurfl_log("WURFL: %s is a %s\n", wn->name, HA_WURFL_DATA_TYPE_PROPERTY_STRING);
#ifdef WURFL_HEADER_WITH_DETAILS
// write WURFL property type and name before its value...
chunk_appendf(temp, "%s=%s=", HA_WURFL_DATA_TYPE_PROPERTY_STRING, wn->name);
#endif
chunk_appendf(temp, "%s", wn->func_callback(global_wurfl.handle, dHandle));
break;
}
// append wurfl-information-list-separator
chunk_appendf(temp, "%c", global_wurfl.information_list_separator);
} else {
ha_wurfl_log("WURFL: %s not in wurfl-information-list \n",
args[i].data.str.area);
}
i++;
}
wurfl_get_completed:
wurfl_device_destroy(dHandle);
smp->data.u.str.area = temp->area;
smp->data.u.str.data = temp->data;
// remove trailing wurfl-information-list-separator
if (temp->data) {
temp->area[temp->data] = '\0';
--smp->data.u.str.data;
}
smp->data.type = SMP_T_STR;
return 1;
}
static struct cfg_kw_list wurflcfg_kws = {{ }, {
{ CFG_GLOBAL, "wurfl-data-file", ha_wurfl_cfg_data_file },
{ CFG_GLOBAL, "wurfl-information-list-separator", ha_wurfl_cfg_information_list_separator },
{ CFG_GLOBAL, "wurfl-information-list", ha_wurfl_cfg_information_list },
{ CFG_GLOBAL, "wurfl-patch-file", ha_wurfl_cfg_patch_file_list },
{ CFG_GLOBAL, "wurfl-cache-size", ha_wurfl_cfg_cache },
{ CFG_GLOBAL, "wurfl-engine-mode", ha_wurfl_cfg_engine_mode },
{ CFG_GLOBAL, "wurfl-useragent-priority", ha_wurfl_cfg_useragent_priority },
{ 0, NULL, NULL },
}
};
INITCALL1(STG_REGISTER, cfg_register_keywords, &wurflcfg_kws);
/* Note: must not be declared <const> as its list will be overwritten */
static struct sample_fetch_kw_list fetch_kws = {ILH, {
{ "wurfl-get-all", ha_wurfl_get_all, 0, NULL, SMP_T_STR, SMP_USE_HRQHV },
{ "wurfl-get", ha_wurfl_get, ARG12(1,STR,STR,STR,STR,STR,STR,STR,STR,STR,STR,STR,STR), NULL, SMP_T_STR, SMP_USE_HRQHV },
{ NULL, NULL, 0, 0, 0 },
}
};
INITCALL1(STG_REGISTER, sample_register_fetches, &fetch_kws);
/* Note: must not be declared <const> as its list will be overwritten */
static struct sample_conv_kw_list conv_kws = {ILH, {
{ NULL, NULL, 0, 0, 0 },
}
};
INITCALL1(STG_REGISTER, sample_register_convs, &conv_kws);
// WURFL properties wrapper functions
static const char *ha_wurfl_get_wurfl_root_id (wurfl_handle wHandle, wurfl_device_handle dHandle)
{
if (wurfl_device_get_root_id(dHandle))
return wurfl_device_get_root_id(dHandle);
else
return "";
}
static const char *ha_wurfl_get_wurfl_id (wurfl_handle wHandle, wurfl_device_handle dHandle)
{
return wurfl_device_get_id(dHandle);
}
static const char *ha_wurfl_get_wurfl_isdevroot (wurfl_handle wHandle, wurfl_device_handle dHandle)
{
if (wurfl_device_is_actual_device_root(dHandle))
return HA_WURFL_ISDEVROOT_TRUE;
else
return HA_WURFL_ISDEVROOT_FALSE;
}
static const char *ha_wurfl_get_wurfl_useragent (wurfl_handle wHandle, wurfl_device_handle dHandle)
{
return wurfl_device_get_original_useragent(dHandle);
}
static const char *ha_wurfl_get_wurfl_api_version (wurfl_handle wHandle, wurfl_device_handle dHandle)
{
return wurfl_get_api_version();
}
static const char *ha_wurfl_get_wurfl_engine_target (wurfl_handle wHandle, wurfl_device_handle dHandle)
{
return "default";
}
static const char *ha_wurfl_get_wurfl_info (wurfl_handle wHandle, wurfl_device_handle dHandle)
{
return wurfl_get_wurfl_info(wHandle);
}
static const char *ha_wurfl_get_wurfl_last_load_time (wurfl_handle wHandle, wurfl_device_handle dHandle)
{
return wurfl_get_last_load_time_as_string(wHandle);
}
static const char *ha_wurfl_get_wurfl_normalized_useragent (wurfl_handle wHandle, wurfl_device_handle dHandle)
{
return wurfl_device_get_normalized_useragent(dHandle);
}
static const char *ha_wurfl_get_wurfl_useragent_priority (wurfl_handle wHandle, wurfl_device_handle dHandle)
{
return "default";
}
// call function for WURFL properties
static const char *(*ha_wurfl_get_property_callback(char *name)) (wurfl_handle wHandle, wurfl_device_handle dHandle)
{
int position;
int begin = 0;
int end = HA_WURFL_PROPERTIES_NBR - 1;
int cond = 0;
while(begin <= end) {
position = (begin + end) / 2;
if((cond = strcmp(wurfl_properties_function_map[position].name, name)) == 0) {
ha_wurfl_log("WURFL: ha_wurfl_get_property_callback match %s\n", wurfl_properties_function_map[position].name );
return wurfl_properties_function_map[position].func;
} else if(cond < 0)
begin = position + 1;
else
end = position - 1;
}
return NULL;
}
static const char *ha_wurfl_retrieve_header(const char *header_name, const void *wh)
{
struct sample *smp;
struct channel *chn;
struct htx *htx;
struct http_hdr_ctx ctx;
struct ist name;
int header_len = HA_WURFL_MAX_HEADER_LENGTH;
smp = ((ha_wurfl_header_t *)wh)->wsmp;
chn = (smp->strm ? &smp->strm->req : NULL);
ha_wurfl_log("WURFL: retrieve header (HTX) request [%s]\n", header_name);
//the header is searched from the beginning
ctx.blk = NULL;
// We could skip this check since ha_wurfl_retrieve_header is called from inside
// ha_wurfl_get()/ha_wurfl_get_all() that already perform the same check
// We choose to keep it in case ha_wurfl_retrieve_header will be called directly
htx = smp_prefetch_htx(smp, chn, NULL, 1);
if (!htx) {
return NULL;
}
name = ist2((char *)header_name, strlen(header_name));
// If 4th param is set, it works on full-line headers in whose comma is not a delimiter but is
// part of the syntax
if (!http_find_header(htx, name, &ctx, 1)) {
return NULL;
}
if (header_len > ctx.value.len)
header_len = ctx.value.len;
strncpy(((ha_wurfl_header_t *)wh)->header_value, ctx.value.ptr, header_len);
((ha_wurfl_header_t *)wh)->header_value[header_len] = '\0';
ha_wurfl_log("WURFL: retrieve header request returns [%s]\n", ((ha_wurfl_header_t *)wh)->header_value);
return ((ha_wurfl_header_t *)wh)->header_value;
}
static void ha_wurfl_register_build_options()
{
const char *ver = wurfl_get_api_version();
char *ptr = NULL;
memprintf(&ptr, "Built with WURFL support (%sversion %s)",
strcmp(ver, "1.11.2.100") ? "" : "dummy library ",
ver);
hap_register_build_opts(ptr, 1);
}
REGISTER_POST_CHECK(ha_wurfl_init);
REGISTER_POST_DEINIT(ha_wurfl_deinit);
INITCALL0(STG_REGISTER, ha_wurfl_register_build_options);
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