uses exported cw_Mod struct from dll
using an exported function from dlsym which is a void * ptr is not portable FossilOrigin-Name: c3abfc7581aba9f8e050cdbcb0a452a74fbb076c65a5a243aa8e2483a098129d
This commit is contained in:
7u83@mail.ru
parent
4718bcf3bb
commit
00b51bacf9
199
src/cw/mod.c
199
src/cw/mod.c
@ -33,25 +33,26 @@
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#include "cw.h"
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#include "cw/msgset.h"
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/*
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static void (*actions_registered_cb) (struct cw_Mod * capwap, struct cw_Mod * bindings,
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struct cw_actiondef * actions) = NULL;
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*/
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/*
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void mod_set_actions_registered_cb(void (*fun)
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(struct cw_Mod *, struct cw_Mod *,
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struct cw_actiondef *))
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{
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actions_registered_cb = fun;
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}
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*/
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struct cache_item {
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const char *capwap;
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const char *bindings;
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struct cw_MsgSet * msgset;
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struct cw_MsgSet *msgset;
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};
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static struct mavl *msgset_cache = NULL;
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@ -66,12 +67,11 @@ static int mod_null_register_actions(struct cw_actiondef *def, int mode)
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* mod_null is a dummy mod
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*/
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struct cw_Mod mod_null = {
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"none", /* name */
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NULL, /* init */
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NULL, /* init_config */
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NULL, /* detect */
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NULL /* data */
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"none", /* name */
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NULL, /* init */
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NULL, /* init_config */
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NULL, /* detect */
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NULL /* data */
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};
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@ -96,15 +96,16 @@ struct cw_actiondef *mod_cache_get(const char *capwap, const char *bindings)
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}
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struct cw_MsgSet *cw_mod_get_msg_set(struct conn *conn,
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struct cw_Mod * capwap_mod, struct cw_Mod *bindings_mod)
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struct cw_MsgSet *cw_mod_get_msg_set(struct conn *conn,
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struct cw_Mod *capwap_mod,
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struct cw_Mod *bindings_mod)
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{
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struct cache_item search;
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struct cache_item * cached_set;
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struct cw_MsgSet * set;
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struct cache_item *cached_set;
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struct cw_MsgSet *set;
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if (!msgset_cache) {
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msgset_cache = mavl_create(cmp, NULL,1312);
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msgset_cache = mavl_create(cmp, NULL, 1312);
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if (!msgset_cache) {
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cw_log(LOG_ERR, "Can't initialize msgset cache: %s",
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strerror(errno));
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@ -118,7 +119,8 @@ struct cw_MsgSet *cw_mod_get_msg_set(struct conn *conn,
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cached_set = mavl_get_ptr(msgset_cache, &search);
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if (cached_set) {
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cw_dbg(DBG_INFO, "Using cached message set for %s,%s", capwap_mod->name, bindings_mod->name);
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cw_dbg(DBG_INFO, "Using cached message set for %s,%s", capwap_mod->name,
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bindings_mod->name);
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return cached_set->msgset;
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}
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@ -130,7 +132,7 @@ struct cw_MsgSet *cw_mod_get_msg_set(struct conn *conn,
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return NULL;
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}
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memset(cached_set, 0, sizeof(struct cache_item));
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set = cw_msgset_create();
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if (!set) {
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free(cached_set);
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@ -138,16 +140,17 @@ struct cw_MsgSet *cw_mod_get_msg_set(struct conn *conn,
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strerror(errno));
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return NULL;
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}
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cached_set->msgset=set;
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cached_set->msgset = set;
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cw_dbg(DBG_INFO, "Loading message set for %s,%s", capwap_mod->name, bindings_mod->name);
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cw_dbg(DBG_INFO, "Loading message set for %s,%s", capwap_mod->name,
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bindings_mod->name);
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if (capwap_mod) {
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cached_set->capwap = capwap_mod->name;
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capwap_mod->register_messages(cached_set->msgset,CW_MOD_MODE_CAPWAP);
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capwap_mod->register_messages(cached_set->msgset, CW_MOD_MODE_CAPWAP);
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}
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if (bindings_mod) {
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cached_set->bindings = bindings_mod->name;
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@ -163,28 +166,31 @@ struct cw_MsgSet *cw_mod_get_msg_set(struct conn *conn,
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/* static mavl to store modules */
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static struct mavl * mods_loaded = NULL;
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static int mod_cmp_mavl(const void *e1, const void *e2){
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const struct cw_Mod * m1 = *((const struct cw_Mod**)e1);
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const struct cw_Mod * m2 = *((const struct cw_Mod**)e2);
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return strcmp(m1->name,m2->name);
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static struct mavl *mods_loaded = NULL;
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static int mod_cmp_mavl(const void *e1, const void *e2)
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{
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const struct cw_Mod *m1 = *((const struct cw_Mod **) e1);
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const struct cw_Mod *m2 = *((const struct cw_Mod **) e2);
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return strcmp(m1->name, m2->name);
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}
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static int mod_cmp_mlist(const void *e1, const void *e2){
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const struct cw_Mod * m1 = e1;
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const struct cw_Mod * m2 = e2;
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return strcmp(m1->name,m2->name);
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static int mod_cmp_mlist(const void *e1, const void *e2)
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{
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const struct cw_Mod *m1 = e1;
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const struct cw_Mod *m2 = e2;
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return strcmp(m1->name, m2->name);
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}
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static const char * mod_path="";
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static const char *mod_path = "";
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/**
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* @brief Set module path, where to search for modules
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* @param path Path to search
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*/
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void cw_mod_set_path(const char * path){
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void cw_mod_set_path(const char *path)
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{
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mod_path = path;
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}
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@ -193,18 +199,18 @@ void cw_mod_set_path(const char * path){
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* @param mod_name Name of the module
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* @return a pointer to the module interface
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*/
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struct cw_Mod * cw_mod_load(const char * mod_name, mavl_t global_cfg, int role){
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struct cw_Mod *cw_mod_load(const char *mod_name, mavl_t global_cfg, int role)
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{
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struct cw_Mod search;
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struct cw_Mod * mod;
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char mod_filename[CW_MOD_MAX_MOD_NAME_LEN+5];
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char * filename;
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void * handle;
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struct cw_Mod * (*mod_get_interface)();
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struct cw_Mod *mod;
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char mod_filename[CW_MOD_MAX_MOD_NAME_LEN + 5];
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char *filename;
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void *handle;
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/* if modlist is not initialized, initialize ... */
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if (mods_loaded==NULL){
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mods_loaded=mavl_create(mod_cmp_mavl,NULL,1312);
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if (mods_loaded==NULL){
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if (mods_loaded == NULL) {
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mods_loaded = mavl_create(mod_cmp_mavl, NULL, 1312);
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if (mods_loaded == NULL) {
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cw_log(LOG_ERROR, "Can't init modlist, no memory");
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return NULL;
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}
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@ -212,109 +218,104 @@ struct cw_Mod * cw_mod_load(const char * mod_name, mavl_t global_cfg, int role){
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/* Search for the module in mods_loaded, to see if it is
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* already loaded or was statically linked */
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cw_dbg(DBG_MOD,"MOD: Load module '%s'",mod_name);
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memset(&search,0,sizeof(search));
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search.name=mod_name;
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mod = mavl_find_ptr(mods_loaded,&search);
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if (mod){
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cw_dbg(DBG_MOD,"MOD: Module already loaded '%s'",mod_name);
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cw_dbg(DBG_MOD, "MOD: Load module '%s'", mod_name);
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memset(&search, 0, sizeof(search));
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search.name = mod_name;
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mod = mavl_find_ptr(mods_loaded, &search);
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if (mod) {
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cw_dbg(DBG_MOD, "MOD: Module already loaded '%s'", mod_name);
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return mod;
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}
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if (strlen(mod_name)>CW_MOD_MAX_MOD_NAME_LEN){
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cw_log(LOG_ERROR,"Mod name too long: %s (max allowed = %d)",
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mod_name,CW_MOD_MAX_MOD_NAME_LEN);
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if (strlen(mod_name) > CW_MOD_MAX_MOD_NAME_LEN) {
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cw_log(LOG_ERROR, "Mod name too long: %s (max allowed = %d)",
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mod_name, CW_MOD_MAX_MOD_NAME_LEN);
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return NULL;
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}
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sprintf(mod_filename,"mod_%s",mod_name);
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sprintf(mod_filename, "mod_%s", mod_name);
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/* we have to load the module dynamically */
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filename = cw_filename(mod_path,mod_filename,".so");
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if (filename==NULL)
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filename = cw_filename(mod_path, mod_filename, ".so");
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if (filename == NULL)
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return NULL;
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cw_dbg(DBG_MOD, "MOD: loading module from file: %s", filename);
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/* Open the DLL */
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handle = dlopen(filename,RTLD_NOW);
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if (!handle){
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cw_log(LOG_ERROR,"Failed to load module: %s",dlerror());
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handle = dlopen(filename, RTLD_NOW);
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if (!handle) {
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cw_log(LOG_ERROR, "Failed to load module: %s", dlerror());
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goto errX;
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}
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mod_get_interface = (struct cw_Mod*(*)()) dlsym(handle,mod_filename);
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if (!mod_get_interface){
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cw_log(LOG_ERROR,"Failed to load module: %s",dlerror());
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mod = dlsym(handle, mod_filename);
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if (mod == NULL) {
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cw_log(LOG_ERROR, "Failed to load module: %s", dlerror());
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goto errX;
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}
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mod = mod_get_interface();
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mod->dll_handle=handle;
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if (!mavl_add_ptr(mods_loaded,mod)){
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mod->dll_handle = handle;
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if (!mavl_add_ptr(mods_loaded, mod)) {
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dlclose(handle);
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cw_log(LOG_ERR,"Can' add module %s",mod_name);
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cw_log(LOG_ERR, "Can' add module %s", mod_name);
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goto errX;
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}
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cw_dbg(DBG_MOD, "MOD: %s sucessfull loaded, calling init now.",filename);
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mod->init(mod,global_cfg,role);
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errX:
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cw_dbg(DBG_MOD, "MOD: %s sucessfull loaded, calling init now.", filename);
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mod->init(mod, global_cfg, role);
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errX:
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free(filename);
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return mod;
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}
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static struct mlist * mods_list = NULL;
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static struct mlist *mods_list = NULL;
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struct cw_Mod * cw_mod_add_to_list(struct cw_Mod * mod ){
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struct cw_Mod *cw_mod_add_to_list(struct cw_Mod *mod)
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{
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mlistelem_t *elem;
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if (!mods_list){
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mods_list = mlist_create(mod_cmp_mlist,NULL,sizeof(struct cw_Mod *));
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if (!mods_list){
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cw_log(LOG_ERROR,"Can't init mods_list");
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if (!mods_list) {
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mods_list = mlist_create(mod_cmp_mlist, NULL, sizeof(struct cw_Mod *));
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if (!mods_list) {
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cw_log(LOG_ERROR, "Can't init mods_list");
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return 0;
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}
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}
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elem = mlist_append(mods_list,&mod);
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elem = mlist_append(mods_list, &mod);
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if (elem == NULL)
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return NULL;
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return mlistelem_dataptr(elem);
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/*return mlist_append(mods_list,mod)->data;*/
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}
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struct cw_Mod * cw_mod_detect(struct conn *conn,
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uint8_t * rawmsg, int len,
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int elems_len, struct sockaddr *from,
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int mode){
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struct mlistelem * e;
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if (mods_list==NULL)
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struct cw_Mod *cw_mod_detect(struct conn *conn,
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uint8_t * rawmsg, int len,
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int elems_len, struct sockaddr *from, int mode)
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{
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struct mlistelem *e;
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if (mods_list == NULL)
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return MOD_NULL;
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mlist_foreach(e,mods_list){
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/* /// 1312 */
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struct cw_Mod * mod = *(struct cw_Mod**)(mlistelem_dataptr(e)); /* = e->data;*/
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cw_dbg(DBG_MOD,"Checking mod: %s",mod->name);
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/*printf("Got the mod %p\n",mod);*/
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mlist_foreach(e, mods_list) {
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struct cw_Mod *mod = *(struct cw_Mod **) (mlistelem_dataptr(e)); /* = e->data; */
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cw_dbg(DBG_MOD, "Checking mod: %s", mod->name);
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/* if there is no detect method, skip */
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if (!mod->detect)
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continue;
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if ( mod->detect(conn,rawmsg,len,elems_len,from,mode) ){
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if (mod->detect(conn, rawmsg, len, elems_len, from, mode)) {
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return mod;
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}
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}
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@ -31,9 +31,6 @@
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#include "conn.h"
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struct cw_actiondef;
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enum {
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CW_MOD_MODE_CAPWAP,
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CW_MOD_MODE_BINDINGS
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@ -85,12 +82,15 @@ extern struct cw_Mod mod_null;
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#define MOD_NULL (&mod_null)
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/*
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struct cw_actiondef * mod_cache_add(struct conn *conn,struct cw_Mod *c, struct cw_Mod *b);
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*/
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#define mod_init_config(mod,cfg) (mod->init_config ? mod->init_config(cfg):1)
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/*
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void mod_set_actions_registered_cb(void (*fun) (struct cw_Mod *, struct cw_Mod *, struct cw_actiondef *));
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*/
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extern int mod_caching;
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