Mor work on dynamic loading of modules
FossilOrigin-Name: b02170339426d0c9efc42d700e891a90f7ddb0961a67b679909a1c929e1501e1
This commit is contained in:
7u83@mail.ru
parent
a71b86b125
commit
6316dd6576
@ -3,9 +3,9 @@
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<Project Name="ac" Path="ac.project" Active="No"/>
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<Project Name="wtp" Path="wtp.project" Active="No"/>
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<Project Name="mod_cipwap" Path="mod_cipwap.project" Active="No"/>
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<Project Name="mod_capwap" Path="mod_capwap.project" Active="Yes"/>
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<Project Name="mod_capwap" Path="mod_capwap.project" Active="No"/>
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<Project Name="mod_cisco" Path="mod_cisco.project" Active="No"/>
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<Project Name="libcw" Path="libcw.project" Active="No"/>
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<Project Name="libcw" Path="libcw.project" Active="Yes"/>
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<Project Name="mod_capwap80211" Path="mod_capwap80211.project" Active="No"/>
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<Project Name="mod_fortinet" Path="mod_fortinet.project" Active="No"/>
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<BuildMatrix>
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@ -38,7 +38,7 @@ uint8_t conf_macaddress_len = 0;
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long conf_strict_capwap = 1;
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long conf_strict_headers = 0;
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char *conf_capwap_mode_str = NULL;
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//char *conf_capwap_mode_str = NULL;
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int conf_capwap_mode = CW_MODE_CAPWAP;
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@ -540,7 +540,7 @@ static int conf_read_dbg_level(cfg_t * cfg)
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struct cw_Mod ** conf_mods; //[10];
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char *conf_mods_dir = NULL;
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static int init_mods()
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@ -572,19 +572,28 @@ static int conf_read_mods(cfg_t *cfg){
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conf_mods = malloc(sizeof(struct cw_Mod *)*(n+1));
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cw_dbg(DBG_INFO,"Mods directory: %s",conf_mods_dir);
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for (i=0; i < n; i++){
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char *modname = cfg_getnstr(cfg, CFG_ENTRY_MODS, i);
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conf_mods[i] = NULL; //modload_ac(modname);
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struct cw_Mod * mod = cw_mod_add_dynamic(conf_mods_dir,modname);
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if (!mod)
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return 0;
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/* conf_mods[i] = NULL; //modload_ac(modname);
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if (!conf_mods[i]){
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cw_log(LOG_ERR,"Can't load mod: %s",modname);
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return 0;
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}
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*/
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}
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conf_mods[i]=NULL;
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return 1;
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}
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/*
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void conf_init_capwap_mode()
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{
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if (conf_capwap_mode_str == NULL)
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@ -600,7 +609,7 @@ void conf_init_capwap_mode()
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}
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*/
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int conf_parse_listen_addr(const char *addrstr, char *saddr, char *port, int *proto)
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@ -700,6 +709,8 @@ int read_config(const char *filename)
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cfg_opt_t opts[] = {
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CFG_STR_LIST("mods", "{}", CFGF_NONE),
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CFG_SIMPLE_STR("mods_dir", &conf_mods_dir),
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CFG_STR_LIST("dbg", "{}", CFGF_NONE),
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CFG_STR_LIST("listen", "{}", CFGF_NONE),
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CFG_STR_LIST("mcast_groups", "{}", CFGF_NONE),
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@ -710,7 +721,7 @@ int read_config(const char *filename)
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CFG_SIMPLE_BOOL("strict_capwap", &conf_strict_capwap),
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CFG_SIMPLE_BOOL("strict_headers", &conf_strict_headers),
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CFG_SIMPLE_BOOL("use_loopback", &conf_use_loopback),
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CFG_SIMPLE_STR("capwap_mode", &conf_capwap_mode_str),
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// CFG_SIMPLE_STR("capwap_mode", &conf_capwap_mode_str),
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#ifdef WITH_LWAPP
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@ -817,7 +828,7 @@ int read_config(const char *filename)
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init_mods();
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conf_init_capwap_mode();
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// conf_init_capwap_mode();
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init_listen_addrs();
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@ -3,7 +3,8 @@ include ../CWConfig.mak
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-include ../Config.local.mak
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LIBARCHDIR := ../../lib/$(ARCH)
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LIBDIR := ../../lib
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LIBARCHDIR := $(LIBDIR)/$(ARCH)
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OBJDIR := ../../obj/cw/$(ARCH)
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SNAME := $(LIBARCHDIR)/libcw.a
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38
src/cw/mod.c
38
src/cw/mod.c
@ -144,9 +144,9 @@ struct cw_actiondef *mod_cache_add(struct conn *conn, struct cw_Mod *c, struct c
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/* static mavl to store modules */
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static struct mavl * modlist = NULL;
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static int mod_cmp(const void *e1, const void *e2){
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struct cw_Mod * (*m1fn)() = e1;
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struct cw_Mod * (*m2fn)() = e2;
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return strcmp(m1fn()->name,m2fn()->name);
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struct cw_Mod * m1 = e1;
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struct cw_Mod * m2 = e2;
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return strcmp(m1->name,m2->name);
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}
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@ -182,9 +182,24 @@ int cw_mod_add(struct cw_Mod * (*modfn)() ){
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}
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int cw_mod_add_dynamic(const char * path, const char * mod_name){
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struct cw_Mod * cw_mod_add_dynamic(const char * path, const char * mod_name){
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/* Search for the module in modlist, to see if it is
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* already loaded or was statically linked */
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struct cw_Mod search;
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memset(&search,0,sizeof(search));
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search.name=mod_name;
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struct cw_Mod * mod;
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mod = mavl_find(modlist,&search);
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if (mod){
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return mod;
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}
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int n = strlen(path)+strlen(mod_name)+8;
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char * filename = malloc(n);
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char * filename = malloc(strlen(path)+strlen(mod_name)+8);
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if (!filename)
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return 0;
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strcpy(filename,path);
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@ -192,22 +207,25 @@ int cw_mod_add_dynamic(const char * path, const char * mod_name){
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strcat(filename,mod_name);
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strcat(filename,".so");
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int rc=0;
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/* Open the DLL */
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void * handle;
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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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void * ifu = dlsym(handle,"mod_get_interface");
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if (!ifu){
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struct cw_Mod * (*mod_get_interface)();
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mod_get_interface = dlsym(handle,"mod_get_interface");
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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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goto errX;
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}
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mod = mod_get_interface();
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mod->init();
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errX:
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free(filename);
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return rc;
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return mod;
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}
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@ -64,6 +64,11 @@ struct cw_Mod {
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int (*register_actions) (struct cw_actiondef * def,int mode);
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struct cw_MsgSet * (*register_messages)(struct cw_MsgSet set, int mode);
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/**
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* Handle returned by dlopen, if this module was loaded dynamically
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* with dlopen */
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void * handle;
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};
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@ -84,6 +89,6 @@ extern int mod_caching;
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#define mod_set_caching(var) (mod_caching=var)
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#define mod_get_caching() (mod_caching)
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extern int cw_mod_add_dynamic(const char * path, const char * file);
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struct cw_Mod * cw_mod_add_dynamic(const char * path, const char * file);
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#endif
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@ -10,7 +10,7 @@ CFLAGS = -fPIC -Wall -g -O0 -D_REENTRANT -DWITH_IPV6 $(COMPDEFS) -DWITH_RMAC_SUP
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SRCS = $(OBJS:.o=.c)
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all: $(SNAME) $(DNAME)
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all: $(SNAME) $(DNAME) $(MODNAME)
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$(OBJDIR)/%.o:%.c
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@mkdir -p $(OBJDIR)
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@ -19,20 +19,25 @@ $(OBJDIR)/%.o:%.c
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$(SNAME) : $(OBJS) $(MODOBJS)
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@mkdir -p $(LIBDIR)
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@mkdir -p $(LIBARCHDIR)
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@echo " $(AR) $(SNAME)"
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@$(AR) rcs $(SNAME) $(OBJS) $(MODOBJS)
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$(DNAME) : $(OBJS) $(MODOBJS)
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@mkdir -p $(LIBDIR)
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@mkdir -p $(LIBARCHDIR)
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@echo " $(CC) $(DNAME)"
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@$(CC) $(LDFLAGS) -shared -o $(DNAME) $(OBJS) $(MODOBJS) $(LIBS)
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@$(CC) -L$(LIBARCHDIR) $(LDFLAGS) -shared -o $(DNAME) $(OBJS) $(MODOBJS) $(SLIBS) $(LIBS)
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# $(CC) -L$(LIBDIR) $(OBJS) $(MODOBJS) $(SLIBS) -v -shared -o ../../../lib/actube/capwap.so
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$(MODNAME) : $(DNAME)
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cp $(DNAME) $(MODNAME)
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# $(CC) -L$(LIBARCHDIR) $(OBJS) $(MODOBJS) $(SLIBS) -v -shared -o ../../../lib/actube/capwap.so
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clean:
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rm -rf $(OBJDIR)
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rm -f $(SNAME)
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rm -f $(DNAME)
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rm -f $(MODNAME)
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@ -19,10 +19,12 @@ OBJS=\
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capwap_in_session_id.o \
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LIBDIR := ../../../lib/$(ARCH)
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LIBDIR := ../../../lib
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LIBARCHDIR := $(LIBDIR)/$(ARCH)
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OBJDIR := ../../../obj/mod_capwap/$(ARCH)
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SNAME := $(LIBDIR)/libcapwap.a
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DNAME := $(LIBDIR)/capwap.so
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SNAME := $(LIBARCHDIR)/libcapwap.a
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DNAME := $(LIBARCHDIR)/capwap.so
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MODNAME := $(LIBDIR)/capwap.so
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SLIBS := -lcw
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include ../Mod.mak
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