1
1
- changed reactor i/f

This commit was SVN r546.
Этот коммит содержится в:
Tim Woodall 2004-01-26 18:41:37 +00:00
родитель 89e3cff948
Коммит d78ddd7cf2
6 изменённых файлов: 90 добавлений и 42 удалений

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@ -21,7 +21,8 @@ enum {
LAM_ERR_NOT_SUPPORTED = -11,
LAM_ERR_INTERUPTED = -12,
LAM_ERR_WOULD_BLOCK = -13,
LAM_ERR_IN_ERRNO = -14
LAM_ERR_IN_ERRNO = -14,
LAM_ERR_UNREACH = -15
};
#endif /* LAM_CONSTANTS_H */

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@ -10,6 +10,7 @@
#include "lam_config.h"
#include "lam/stdint.h"
#include "lam/types.h"
/*
* Increase FD_SETSIZE
@ -35,5 +36,15 @@ typedef struct lam_fd_set_t lam_fd_set_t;
typedef char* lam_job_handle_t;
/*
* portable assignment of pointer to int
*/
typedef union {
uint64_t lval;
uint32_t ival;
void* pval;
} lam_ptr_t;
#endif

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@ -31,6 +31,7 @@ struct lam_if_t {
int if_flags;
struct sockaddr_in if_addr;
struct sockaddr_in if_mask;
uint32_t if_bandwidth;
};
typedef struct lam_if_t lam_if_t;
@ -69,7 +70,7 @@ static int lam_ifinit(void)
struct ifreq* ifr = (struct ifreq*)ptr;
lam_if_t intf;
lam_if_t *intf_ptr;
lam_list_init(&intf.if_item);
lam_list_item_init(&intf.if_item);
#if defined(__APPLE__)
ptr += (sizeof(ifr->ifr_name) +
@ -273,6 +274,31 @@ int lam_ifindextoaddr(int if_index, struct sockaddr* if_addr, int length)
}
/*
* Lookup the interface by kernel index and return the
* network mask assigned to the interface.
*/
int lam_ifindextomask(int if_index, struct sockaddr* if_mask, int length)
{
lam_if_t* intf;
int rc = lam_ifinit();
if(rc != LAM_SUCCESS)
return rc;
for(intf = (lam_if_t*)lam_list_get_first(&lam_if_list);
intf != (lam_if_t*)lam_list_get_end(&lam_if_list);
intf = (lam_if_t*)lam_list_get_next(intf)) {
if(intf->if_index == if_index) {
memcpy(if_mask, &intf->if_mask, length);
return LAM_SUCCESS;
}
}
return LAM_ERROR;
}
/*
* Lookup the interface by kernel index and return
* the associated name.

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@ -72,5 +72,14 @@ int lam_ifindextoname(int if_index, char* if_name, int);
*/
int lam_ifindextoaddr(int if_index, struct sockaddr*, int);
/**
* Lookup an interface by index and return its network mask.
*
* @param if_index (IN) Interface index
* @param if_name (OUT) Interface address buffer
* @param size (IN) Interface address buffer size
*/
int lam_ifindextomask(int if_index, struct sockaddr*, int);
#endif

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@ -9,7 +9,7 @@
#include <errno.h>
#include "lam_config.h"
#include "lam/mem/malloc.h"
#include "lam/constants.h"
#include "lam/util/reactor.h"
#include "lam/util/output.h"
#include "lam/runtime/runtime.h"
@ -24,37 +24,39 @@ const int LAM_NOTIFY_ALL = 7;
lam_class_info_t lam_reactor_cls = {
"lam_reactor_t", &lam_object_cls, (class_init_t)lam_reactor_init,
"lam_reactor_t",
&lam_object_cls,
(class_init_t)lam_reactor_init,
(class_destroy_t)lam_reactor_destroy
};
lam_class_info_t lam_reactor_descriptor_cls = {
"lam_reactor_t", &lam_list_item_cls, (class_init_t)lam_reactor_descriptor_init,
"lam_reactor_t",
&lam_list_item_cls,
(class_init_t)lam_reactor_descriptor_init,
(class_destroy_t)lam_reactor_descriptor_destroy
};
void lam_reactor_descriptor_init(lam_reactor_descriptor_t* rd)
{
lam_list_item_init(&rd->rd_base);
rd->rd_base.super.obj_class = &lam_reactor_descriptor_cls;
SUPER_INIT(rd, &lam_list_item_cls);
}
void lam_reactor_descriptor_destroy(lam_reactor_descriptor_t* rd)
{
lam_list_item_destroy(&rd->rd_base);
SUPER_DESTROY(rd, &lam_list_item_cls);
}
static inline lam_reactor_descriptor_t* lam_reactor_get_descriptor(lam_reactor_t* r, int sd)
{
lam_reactor_descriptor_t *descriptor;
if(lam_list_get_size(&r->r_free))
if(lam_list_get_size(&r->r_free)) {
descriptor = (lam_reactor_descriptor_t*)lam_list_remove_first(&r->r_free);
else {
descriptor = (lam_reactor_descriptor_t*)LAM_MALLOC(sizeof(lam_reactor_descriptor_t));
lam_reactor_descriptor_init(descriptor);
} else {
descriptor = OBJ_CREATE(lam_reactor_descriptor_t, &lam_reactor_descriptor_cls);
}
if (NULL == descriptor) {
return 0;
@ -70,8 +72,7 @@ static inline lam_reactor_descriptor_t* lam_reactor_get_descriptor(lam_reactor_t
void lam_reactor_init(lam_reactor_t* r)
{
lam_obj_init(&r->r_base);
r->r_base.obj_class = &lam_reactor_cls;
SUPER_INIT(r, &lam_object_cls);
lam_mutex_init(&r->r_mutex);
lam_list_init(&r->r_active);
@ -96,16 +97,16 @@ void lam_reactor_destroy(lam_reactor_t* r)
lam_list_destroy(&r->r_free);
lam_list_destroy(&r->r_pending);
lam_fh_destroy(&r->r_hash);
lam_obj_destroy(&r->r_base);
SUPER_DESTROY(r, &lam_object_cls);
}
bool lam_reactor_insert(lam_reactor_t* r, int sd, lam_reactor_listener_t* listener, void* user, int flags)
int lam_reactor_insert(lam_reactor_t* r, int sd, lam_reactor_listener_t* listener, void* user, int flags)
{
#ifndef NDEBUG
#if LAM_ENABLE_DEBUG > 0
if(sd < 0 || sd > LAM_FD_SETSIZE) {
lam_output(0, "lam_reactor_insert(%d) invalid descriptor", sd);
return false;
return LAM_ERR_BAD_PARAM;
}
#endif
@ -115,9 +116,9 @@ bool lam_reactor_insert(lam_reactor_t* r, int sd, lam_reactor_listener_t* listen
descriptor = lam_reactor_get_descriptor(r, sd);
if(descriptor == 0) {
lam_mutex_unlock(&r->r_mutex);
return false;
return LAM_ERR_OUT_OF_RESOURCE;
}
lam_list_append(&r->r_pending, &descriptor->rd_base);
lam_list_append(&r->r_pending, &descriptor->super);
lam_fh_set_value_for_ikey(&r->r_hash,descriptor,sd);
}
@ -139,16 +140,16 @@ bool lam_reactor_insert(lam_reactor_t* r, int sd, lam_reactor_listener_t* listen
}
r->r_changes++;
lam_mutex_unlock(&r->r_mutex);
return true;
return LAM_SUCCESS;
}
bool lam_reactor_remove(lam_reactor_t* r, int sd, int flags)
int lam_reactor_remove(lam_reactor_t* r, int sd, int flags)
{
#ifndef NDEBUG
#if LAM_ENABLE_DEBUG > 0
if(sd < 0 || sd > LAM_FD_SETSIZE) {
lam_output(0, "lam_reactor_remove(%d) invalid descriptor", sd);
return false;
return LAM_ERR_BAD_PARAM;
}
#endif
@ -157,7 +158,7 @@ bool lam_reactor_remove(lam_reactor_t* r, int sd, int flags)
if (NULL == descriptor) {
lam_output(0, "lam_reactor_remove(%d): descriptor not registered", sd);
lam_mutex_unlock(&r->r_mutex);
return false;
return LAM_ERR_BAD_PARAM;
}
descriptor->rd_flags &= ~flags;
if(flags & LAM_NOTIFY_RECV) {
@ -174,7 +175,7 @@ bool lam_reactor_remove(lam_reactor_t* r, int sd, int flags)
}
r->r_changes++;
lam_mutex_unlock(&r->r_mutex);
return true;
return LAM_SUCCESS;
}
@ -194,15 +195,15 @@ void lam_reactor_dispatch(lam_reactor_t* r, int cnt, lam_fd_set_t* rset, lam_fd_
int rd = descriptor->rd;
int flags = 0;
if(LAM_FD_ISSET(rd, rset) && descriptor->rd_flags & LAM_NOTIFY_RECV) {
descriptor->rd_recv->rl_recv_handler(rd, descriptor->rd_recv_user);
descriptor->rd_recv->rl_recv_handler(descriptor->rd_recv_user, rd);
flags |= LAM_NOTIFY_RECV;
}
if(LAM_FD_ISSET(rd, sset) && descriptor->rd_flags & LAM_NOTIFY_SEND) {
descriptor->rd_send->rl_send_handler(rd, descriptor->rd_send_user);
descriptor->rd_send->rl_send_handler(descriptor->rd_send_user, rd);
flags |= LAM_NOTIFY_SEND;
}
if(LAM_FD_ISSET(rd, eset) && descriptor->rd_flags & LAM_NOTIFY_EXCEPT) {
descriptor->rd_except->rl_except_handler(rd, descriptor->rd_except_user);
descriptor->rd_except->rl_except_handler(descriptor->rd_except_user, rd);
flags |= LAM_NOTIFY_EXCEPT;
}
if(flags) cnt--;
@ -222,7 +223,7 @@ void lam_reactor_dispatch(lam_reactor_t* r, int cnt, lam_fd_set_t* rset, lam_fd_
lam_fh_remove_value_for_ikey(&r->r_hash, descriptor->rd);
lam_list_remove(&r->r_active, (lam_list_item_t*)descriptor);
if(lam_list_get_size(&r->r_free) < MAX_DESCRIPTOR_POOL_SIZE) {
lam_list_append(&r->r_free, &descriptor->rd_base);
lam_list_append(&r->r_free, &descriptor->super);
} else {
lam_reactor_descriptor_destroy(descriptor);
LAM_FREE(descriptor);
@ -237,13 +238,13 @@ void lam_reactor_dispatch(lam_reactor_t* r, int cnt, lam_fd_set_t* rset, lam_fd_
if(descriptor->rd_flags == 0) {
lam_fh_remove_value_for_ikey(&r->r_hash, descriptor->rd);
if(lam_list_get_size(&r->r_free) < MAX_DESCRIPTOR_POOL_SIZE) {
lam_list_append(&r->r_free, &descriptor->rd_base);
lam_list_append(&r->r_free, &descriptor->super);
} else {
lam_reactor_descriptor_destroy(descriptor);
LAM_FREE(descriptor);
}
} else {
lam_list_append(&r->r_active, &descriptor->rd_base);
lam_list_append(&r->r_active, &descriptor->super);
if(descriptor->rd > r->r_max)
r->r_max = descriptor->rd;
}

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@ -26,20 +26,20 @@ extern lam_class_info_t lam_reactor_cls;
*/
struct lam_reactor_listener_t;
typedef void (*rl_recv_handler_fn_t)(int sd, void* user);
typedef void (*rl_send_handler_fn_t)(int sd, void* user);
typedef void (*rl_except_handler_fn_t)(int sd, void* user);
typedef void (*lam_rl_recv_handler_fn_t)(void* user, int sd);
typedef void (*lam_rl_send_handler_fn_t)(void* user, int sd);
typedef void (*lam_rl_except_handler_fn_t)(void* user, int sd);
struct lam_reactor_listener_t {
rl_recv_handler_fn_t rl_recv_handler;
rl_send_handler_fn_t rl_send_handler;
rl_except_handler_fn_t rl_except_handler;
lam_rl_recv_handler_fn_t rl_recv_handler;
lam_rl_send_handler_fn_t rl_send_handler;
lam_rl_except_handler_fn_t rl_except_handler;
};
typedef struct lam_reactor_listener_t lam_reactor_listener_t;
struct lam_reactor_descriptor_t {
lam_list_item_t rd_base;
lam_list_item_t super;
int rd;
volatile int rd_flags;
lam_reactor_listener_t* rd_recv;
@ -57,7 +57,7 @@ void lam_reactor_descriptor_destroy(lam_reactor_descriptor_t*);
struct lam_reactor_t {
lam_object_t r_base;
lam_object_t super;
lam_mutex_t r_mutex;
lam_list_t r_active;
lam_list_t r_free;
@ -76,8 +76,8 @@ typedef struct lam_reactor_t lam_reactor_t;
void lam_reactor_init(lam_reactor_t*);
void lam_reactor_destroy(lam_reactor_t*);
bool lam_reactor_insert(lam_reactor_t*, int sd, lam_reactor_listener_t*, void* user, int flags);
bool lam_reactor_remove(lam_reactor_t*, int sd, int flags);
int lam_reactor_insert(lam_reactor_t*, int sd, lam_reactor_listener_t*, void* user, int flags);
int lam_reactor_remove(lam_reactor_t*, int sd, int flags);
void lam_reactor_poll(lam_reactor_t*);
void lam_reactor_run(lam_reactor_t*);
void lam_reactor_dispatch(lam_reactor_t* r, int cnt, lam_fd_set_t* rset, lam_fd_set_t* sset, lam_fd_set_t* eset);