Sync the libusb 1.0 exported api to the latest GSoC code.

- Fix possible uninitialised variables and null derefs
 - Support big transfers
 - Various bug fixes and style changes

Submitted by:	Sylvestre Gallon
Sponsored by:	Google Summer of Code 2009
Approved by:	re (kib)
This commit is contained in:
Andrew Thompson 2009-07-10 14:15:53 +00:00
parent d77e2734a1
commit c500e4dd03
5 changed files with 510 additions and 506 deletions

View File

@ -27,14 +27,16 @@
#ifndef __LIBUSB_H__
#define __LIBUSB_H__
#include <sys/time.h>
#include <sys/types.h>
#include <sys/endian.h>
#include <sys/queue.h>
#include <stdint.h>
#include <time.h>
#include <string.h>
#include <pthread.h>
#include <sys/time.h>
#include <sys/types.h>
#include <sys/endian.h>
#ifdef __cplusplus
extern "C" {
@ -44,10 +46,6 @@ extern "C" {
#endif
struct list_head {
struct list_head *prev, *next;
};
/* libusb enums */
enum libusb_class_code {
@ -183,6 +181,33 @@ enum libusb_debug_level {
LIBUSB_DEBUG_TRANSFER=2,
};
/* internal structures */
typedef struct libusb_pollfd {
int fd;
short events;
} libusb_pollfd;
struct usb_pollfd {
TAILQ_ENTRY(usb_pollfd) list;
struct libusb_pollfd pollfd;
};
struct usb_transfer {
TAILQ_ENTRY(usb_transfer) list;
int num_iso_packets;
struct timeval timeout;
int transferred;
uint8_t flags;
};
struct usb_ep_tr {
TAILQ_ENTRY(usb_ep_tr) list;
uint8_t addr;
uint8_t idx;
uint8_t flags;
void *os_priv;
};
/* libusb structures */
typedef void (*libusb_pollfd_added_cb) (int fd, short events, void *user_data);
@ -194,16 +219,16 @@ typedef struct libusb_context {
int ctrl_pipe[2];
struct list_head usb_devs;
TAILQ_HEAD(usb_devs_list, libusb_device) usb_devs;
pthread_mutex_t usb_devs_lock;
struct list_head open_devs;
TAILQ_HEAD(open_devs_list, libusb_device_handle) open_devs;
pthread_mutex_t open_devs_lock;
struct list_head flying_transfers;
TAILQ_HEAD(flying_transfers_list, usb_transfer) flying_transfers;
pthread_mutex_t flying_transfers_lock;
struct list_head pollfds;
TAILQ_HEAD(pollfds_list, usb_pollfd) pollfds;
pthread_mutex_t pollfds_lock;
unsigned int pollfd_modify;
@ -230,7 +255,7 @@ typedef struct libusb_device {
uint8_t device_address;
uint8_t num_configurations;
struct list_head list;
TAILQ_ENTRY(libusb_device) list;
unsigned long session_data;
void *os_priv;
} libusb_device;
@ -239,9 +264,10 @@ typedef struct libusb_device_handle {
pthread_mutex_t lock;
unsigned long claimed_interfaces;
struct list_head list;
TAILQ_ENTRY(libusb_device_handle) list;
struct libusb_device *dev;
void *os_priv;
TAILQ_HEAD(ep_list, usb_ep_tr) ep_list;
} libusb_device_handle;
typedef struct libusb_device_descriptor {
@ -343,11 +369,6 @@ typedef struct libusb_transfer {
struct libusb_iso_packet_descriptor iso_packet_desc[0];
} libusb_transfer __aligned(sizeof(void *));
typedef struct libusb_pollfd {
int fd;
short events;
} libusb_pollfd;
/* Library initialisation */
void libusb_set_debug(libusb_context * ctx, int level);
@ -360,6 +381,7 @@ ssize_t libusb_get_device_list(libusb_context * ctx, libusb_device *** list);
void libusb_free_device_list(libusb_device ** list, int unref_devices);
uint8_t libusb_get_bus_number(libusb_device * dev);
uint8_t libusb_get_device_address(libusb_device * dev);
int libusb_clear_halt(libusb_device_handle *devh, unsigned char endpoint);
int libusb_get_max_packet_size(libusb_device * dev, unsigned char endpoint);
libusb_device *libusb_ref_device(libusb_device * dev);
void libusb_unref_device(libusb_device * dev);

View File

@ -75,8 +75,8 @@ libusb_init(libusb_context ** context)
pthread_mutex_init(&ctx->usb_devs_lock, NULL);
pthread_mutex_init(&ctx->open_devs_lock, NULL);
USB_LIST_INIT(&ctx->usb_devs);
USB_LIST_INIT(&ctx->open_devs);
TAILQ_INIT(&ctx->usb_devs);
TAILQ_INIT(&ctx->open_devs);
pthread_mutex_init(&ctx->flying_transfers_lock, NULL);
pthread_mutex_init(&ctx->pollfds_lock, NULL);
@ -85,8 +85,8 @@ libusb_init(libusb_context ** context)
pthread_mutex_init(&ctx->event_waiters_lock, NULL);
pthread_cond_init(&ctx->event_waiters_cond, NULL);
USB_LIST_INIT(&ctx->flying_transfers);
USB_LIST_INIT(&ctx->pollfds);
TAILQ_INIT(&ctx->flying_transfers);
TAILQ_INIT(&ctx->pollfds);
ret = pipe(ctx->ctrl_pipe);
if (ret < 0) {
@ -123,7 +123,7 @@ libusb_exit(libusb_context * ctx)
{
GET_CONTEXT(ctx);
dprintf(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_exit enter");
DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_exit enter");
usb_remove_pollfd(ctx, ctx->ctrl_pipe[0]);
close(ctx->ctrl_pipe[0]);
close(ctx->ctrl_pipe[1]);
@ -135,7 +135,7 @@ libusb_exit(libusb_context * ctx)
pthread_mutex_unlock(&default_context_lock);
free(ctx);
dprintf(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_exit leave");
DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_exit leave");
}
/* Device handling and initialisation. */
@ -150,7 +150,7 @@ libusb_get_device_list(libusb_context * ctx, libusb_device *** list)
int i;
GET_CONTEXT(ctx);
dprintf(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_get_device_list enter");
DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_get_device_list enter");
usb_backend = libusb20_be_alloc_default();
if (usb_backend == NULL)
@ -178,6 +178,10 @@ libusb_get_device_list(libusb_context * ctx, libusb_device *** list)
ddesc = libusb20_dev_get_device_desc(pdev);
dev = malloc(sizeof(*dev));
if (dev == NULL) {
while (i != 0) {
libusb_unref_device((*list)[i - 1]);
i--;
}
free(*list);
libusb20_be_free(usb_backend);
return (LIBUSB_ERROR_NO_MEM);
@ -194,7 +198,7 @@ libusb_get_device_list(libusb_context * ctx, libusb_device *** list)
dev->os_priv = pdev;
pthread_mutex_lock(&ctx->usb_devs_lock);
LIST_ADD(&dev->list, &ctx->usb_devs);
TAILQ_INSERT_HEAD(&ctx->usb_devs, dev, list);
pthread_mutex_unlock(&ctx->usb_devs_lock);
(*list)[i] = libusb_ref_device(dev);
@ -203,7 +207,7 @@ libusb_get_device_list(libusb_context * ctx, libusb_device *** list)
(*list)[i] = NULL;
libusb20_be_free(usb_backend);
dprintf(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_get_device_list leave");
DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_get_device_list leave");
return (i);
}
@ -219,7 +223,7 @@ libusb_free_device_list(libusb_device **list, int unref_devices)
ctx = NULL;
GET_CONTEXT(ctx);
dprintf(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_free_device_list enter");
DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_free_device_list enter");
if (list == NULL)
return ;
@ -229,7 +233,7 @@ libusb_free_device_list(libusb_device **list, int unref_devices)
libusb_unref_device(list[i]);
}
free(list);
dprintf(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_free_device_list leave");
DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_free_device_list leave");
}
uint8_t
@ -239,11 +243,11 @@ libusb_get_bus_number(libusb_device * dev)
ctx = NULL;
GET_CONTEXT(ctx);
dprintf(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_get_bus_number enter");
DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_get_bus_number enter");
if (dev == NULL)
return (LIBUSB_ERROR_NO_DEVICE);
dprintf(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_get_bus_number leave");
DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_get_bus_number leave");
return (dev->bus_number);
}
@ -254,11 +258,11 @@ libusb_get_device_address(libusb_device * dev)
ctx = NULL;
GET_CONTEXT(ctx);
dprintf(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_get_device_address enter");
DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_get_device_address enter");
if (dev == NULL)
return (LIBUSB_ERROR_NO_DEVICE);
dprintf(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_get_device_address leave");
DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_get_device_address leave");
return (dev->device_address);
}
@ -274,7 +278,7 @@ libusb_get_max_packet_size(libusb_device *dev, unsigned char endpoint)
ctx = NULL;
GET_CONTEXT(ctx);
dprintf(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_get_max_packet_size enter");
DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_get_max_packet_size enter");
if (dev == NULL)
return (LIBUSB_ERROR_NO_DEVICE);
@ -299,7 +303,7 @@ libusb_get_max_packet_size(libusb_device *dev, unsigned char endpoint)
out:
libusb_free_config_descriptor(pdconf);
dprintf(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_get_max_packet_size leave");
DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_get_max_packet_size leave");
return (ret);
}
@ -310,7 +314,7 @@ libusb_ref_device(libusb_device * dev)
ctx = NULL;
GET_CONTEXT(ctx);
dprintf(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_ref_device enter");
DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_ref_device enter");
if (dev == NULL)
return (NULL);
@ -319,7 +323,7 @@ libusb_ref_device(libusb_device * dev)
dev->refcnt++;
pthread_mutex_unlock(&dev->lock);
dprintf(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_ref_device leave");
DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_ref_device leave");
return (dev);
}
@ -330,7 +334,7 @@ libusb_unref_device(libusb_device * dev)
ctx = NULL;
GET_CONTEXT(ctx);
dprintf(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_unref_device enter");
DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_unref_device enter");
if (dev == NULL)
return;
@ -341,13 +345,13 @@ libusb_unref_device(libusb_device * dev)
if (dev->refcnt == 0) {
pthread_mutex_lock(&dev->ctx->usb_devs_lock);
LIST_DEL(&dev->list);
TAILQ_REMOVE(&ctx->usb_devs, dev, list);
pthread_mutex_unlock(&dev->ctx->usb_devs_lock);
libusb20_dev_free(dev->os_priv);
free(dev);
}
dprintf(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_unref_device leave");
DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_unref_device leave");
}
int
@ -360,7 +364,7 @@ libusb_open(libusb_device * dev, libusb_device_handle **devh)
int err;
GET_CONTEXT(ctx);
dprintf(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_open enter");
DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_open enter");
dummy = 1;
if (devh == NULL)
@ -378,6 +382,7 @@ libusb_open(libusb_device * dev, libusb_device_handle **devh)
memset(hdl, 0, sizeof(*hdl));
pthread_mutex_init(&hdl->lock, NULL);
TAILQ_INIT(&hdl->ep_list);
hdl->dev = libusb_ref_device(dev);
hdl->claimed_interfaces = 0;
hdl->os_priv = dev->os_priv;
@ -390,7 +395,7 @@ libusb_open(libusb_device * dev, libusb_device_handle **devh)
}
pthread_mutex_lock(&ctx->open_devs_lock);
LIST_ADD(&hdl->list, &ctx->open_devs);
TAILQ_INSERT_HEAD(&ctx->open_devs, hdl, list);
pthread_mutex_unlock(&ctx->open_devs_lock);
*devh = hdl;
@ -414,7 +419,7 @@ libusb_open(libusb_device * dev, libusb_device_handle **devh)
pthread_mutex_unlock(&ctx->pollfd_modify_lock);
libusb_unlock_events(ctx);
dprintf(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_open leave");
DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_open leave");
return (0);
}
@ -429,7 +434,7 @@ libusb_open_device_with_vid_pid(libusb_context * ctx, uint16_t vendor_id,
int i, j;
GET_CONTEXT(ctx);
dprintf(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_open_device_width_vid_pid enter");
DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_open_device_width_vid_pid enter");
devh = NULL;
@ -440,13 +445,15 @@ libusb_open_device_with_vid_pid(libusb_context * ctx, uint16_t vendor_id,
pdev = (struct libusb20_device *)devs[j]->os_priv;
pdesc = libusb20_dev_get_device_desc(pdev);
if (pdesc->idVendor == vendor_id &&
pdesc->idProduct == product_id)
pdesc->idProduct == product_id) {
if (libusb_open(devs[j], &devh) < 0)
devh = NULL;
break ;
}
}
libusb_free_device_list(devs, 1);
dprintf(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_open_device_width_vid_pid leave");
DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_open_device_width_vid_pid leave");
return (devh);
}
@ -455,6 +462,7 @@ libusb_close(libusb_device_handle * devh)
{
libusb_context *ctx;
struct libusb20_device *pdev;
struct usb_ep_tr *eptr;
unsigned char dummy = 1;
int err;
@ -465,7 +473,7 @@ libusb_close(libusb_device_handle * devh)
pdev = devh->os_priv;
GET_CONTEXT(ctx);
dprintf(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_close enter");
DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_close enter");
pthread_mutex_lock(&ctx->pollfd_modify_lock);
ctx->pollfd_modify++;
@ -475,12 +483,21 @@ libusb_close(libusb_device_handle * devh)
if (err <= 0) {
pthread_mutex_lock(&ctx->open_devs_lock);
LIST_DEL(&devh->list);
TAILQ_REMOVE(&ctx->open_devs, devh, list);
pthread_mutex_unlock(&ctx->open_devs_lock);
usb_remove_pollfd(ctx, libusb20_dev_get_fd(pdev));
libusb_unref_device(devh->dev);
libusb20_dev_close(pdev);
libusb_unref_device(devh->dev);
TAILQ_FOREACH(eptr, &devh->ep_list, list) {
TAILQ_REMOVE(&devh->ep_list, eptr, list);
libusb20_tr_close(((struct libusb20_transfer **)
eptr->os_priv)[0]);
if (eptr->flags)
libusb20_tr_close(((struct libusb20_transfer **)
eptr->os_priv)[1]);
free((struct libusb20_transfer **)eptr->os_priv);
}
free(devh);
pthread_mutex_lock(&ctx->pollfd_modify_lock);
@ -492,12 +509,21 @@ libusb_close(libusb_device_handle * devh)
read(ctx->ctrl_pipe[0], &dummy, sizeof(dummy));
pthread_mutex_lock(&ctx->open_devs_lock);
LIST_DEL(&devh->list);
TAILQ_REMOVE(&ctx->open_devs, devh, list);
pthread_mutex_unlock(&ctx->open_devs_lock);
usb_remove_pollfd(ctx, libusb20_dev_get_fd(pdev));
libusb_unref_device(devh->dev);
libusb20_dev_close(pdev);
libusb_unref_device(devh->dev);
TAILQ_FOREACH(eptr, &devh->ep_list, list) {
TAILQ_REMOVE(&devh->ep_list, eptr, list);
libusb20_tr_close(((struct libusb20_transfer **)
eptr->os_priv)[0]);
if (eptr->flags)
libusb20_tr_close(((struct libusb20_transfer **)
eptr->os_priv)[1]);
free((struct libusb20_transfer **)eptr->os_priv);
}
free(devh);
pthread_mutex_lock(&ctx->pollfd_modify_lock);
@ -505,7 +531,7 @@ libusb_close(libusb_device_handle * devh)
pthread_mutex_unlock(&ctx->pollfd_modify_lock);
libusb_unlock_events(ctx);
dprintf(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_close leave");
DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_close leave");
}
libusb_device *
@ -515,12 +541,12 @@ libusb_get_device(libusb_device_handle * devh)
ctx = NULL;
GET_CONTEXT(ctx);
dprintf(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_get_device enter");
DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_get_device enter");
if (devh == NULL)
return (NULL);
dprintf(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_get_device leave");
DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_get_device leave");
return (devh->dev);
}
@ -531,7 +557,7 @@ libusb_get_configuration(libusb_device_handle * devh, int *config)
ctx = NULL;
GET_CONTEXT(ctx);
dprintf(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_get_configuration enter");
DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_get_configuration enter");
if (devh == NULL || config == NULL)
return (LIBUSB_ERROR_INVALID_PARAM);
@ -539,14 +565,10 @@ libusb_get_configuration(libusb_device_handle * devh, int *config)
*config = libusb20_dev_get_config_index((struct libusb20_device *)
devh->dev->os_priv);
dprintf(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_get_configuration leave");
DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_get_configuration leave");
return (0);
}
/*
* XXX this code is wrong. need update.
*/
int
libusb_set_configuration(libusb_device_handle * devh, int configuration)
{
@ -555,16 +577,15 @@ libusb_set_configuration(libusb_device_handle * devh, int configuration)
ctx = NULL;
GET_CONTEXT(ctx);
dprintf(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_set_configuration enter");
DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_set_configuration enter");
if (devh == NULL)
return (LIBUSB_ERROR_INVALID_PARAM);
pdev = (struct libusb20_device *)devh->dev->os_priv;
libusb20_dev_set_alt_index(pdev, libusb20_dev_get_config_index(pdev),
configuration);
dprintf(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_set_configuration leave");
libusb20_dev_set_config_index(pdev, configuration);
DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_set_configuration leave");
return (0);
}
@ -576,7 +597,7 @@ libusb_claim_interface(libusb_device_handle * dev, int interface_number)
ctx = NULL;
GET_CONTEXT(ctx);
dprintf(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_claim_interface enter");
DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_claim_interface enter");
if (dev == NULL)
return (LIBUSB_ERROR_INVALID_PARAM);
@ -592,7 +613,7 @@ libusb_claim_interface(libusb_device_handle * dev, int interface_number)
dev->claimed_interfaces |= (1 << interface_number);
pthread_mutex_unlock(&(dev->lock));
dprintf(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_claim_interface leave");
DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_claim_interface leave");
return (ret);
}
@ -604,7 +625,7 @@ libusb_release_interface(libusb_device_handle * dev, int interface_number)
ctx = NULL;
GET_CONTEXT(ctx);
dprintf(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_release_interface enter");
DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_release_interface enter");
ret = 0;
if (dev == NULL)
@ -621,7 +642,7 @@ libusb_release_interface(libusb_device_handle * dev, int interface_number)
dev->claimed_interfaces &= ~(1 << interface_number);
pthread_mutex_unlock(&(dev->lock));
dprintf(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_release_interface leave");
DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_release_interface leave");
return (ret);
}
@ -630,11 +651,10 @@ libusb_set_interface_alt_setting(libusb_device_handle * dev,
int interface_number, int alternate_setting)
{
libusb_context *ctx;
int ret;
ctx = NULL;
GET_CONTEXT(ctx);
dprintf(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_set_interface_alt_setting enter");
DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_set_interface_alt_setting enter");
if (dev == NULL)
return (LIBUSB_ERROR_INVALID_PARAM);
@ -653,7 +673,7 @@ libusb_set_interface_alt_setting(libusb_device_handle * dev,
alternate_setting) != 0)
return (LIBUSB_ERROR_OTHER);
dprintf(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_set_interface_alt_setting leave");
DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_set_interface_alt_setting leave");
return (0);
}
@ -661,14 +681,19 @@ int
libusb_clear_halt(libusb_device_handle * devh, unsigned char endpoint)
{
struct libusb20_transfer *xfer;
struct libusb20_device *pdev;
libusb_context *ctx;
int ret;
ctx = NULL;
GET_CONTEXT(ctx);
dprintf(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_clear_halt enter");
GET_XFER(xfer, endpoint, devh->os_priv);
DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_clear_halt enter");
pdev = devh->os_priv;
xfer = libusb20_tr_get_pointer(pdev,
((endpoint / 0x40) | (endpoint * 4)) % (16 * 4));
if (xfer == NULL)
return (LIBUSB_ERROR_NO_MEM);
pthread_mutex_lock(&libusb20_lock);
ret = libusb20_tr_open(xfer, 0, 0, endpoint);
@ -682,7 +707,7 @@ libusb_clear_halt(libusb_device_handle * devh, unsigned char endpoint)
libusb20_tr_close(xfer);
pthread_mutex_unlock(&libusb20_lock);
dprintf(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_clear_halt leave");
DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_clear_halt leave");
return (0);
}
@ -693,13 +718,13 @@ libusb_reset_device(libusb_device_handle * dev)
ctx = NULL;
GET_CONTEXT(ctx);
dprintf(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_reset_device enter");
DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_reset_device enter");
if (dev == NULL)
return (LIBUSB20_ERROR_INVALID_PARAM);
libusb20_dev_reset(dev->os_priv);
dprintf(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_reset_device leave");
DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_reset_device leave");
return (0);
}
@ -710,12 +735,12 @@ libusb_kernel_driver_active(libusb_device_handle * devh, int interface)
ctx = NULL;
GET_CONTEXT(ctx);
dprintf(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_kernel_driver_active enter");
DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_kernel_driver_active enter");
if (devh == NULL)
return (LIBUSB_ERROR_INVALID_PARAM);
dprintf(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_kernel_driver_active leave");
DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_kernel_driver_active leave");
return (libusb20_dev_kernel_driver_active(devh->os_priv, interface));
}
@ -727,7 +752,7 @@ libusb_detach_kernel_driver(libusb_device_handle * devh, int interface)
ctx = NULL;
GET_CONTEXT(ctx);
dprintf(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_detach_kernel_driver enter");
DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_detach_kernel_driver enter");
if (devh == NULL)
return (LIBUSB_ERROR_INVALID_PARAM);
@ -736,7 +761,7 @@ libusb_detach_kernel_driver(libusb_device_handle * devh, int interface)
if (libusb20_dev_detach_kernel_driver(pdev, interface) == LIBUSB20_ERROR_OTHER)
return (LIBUSB_ERROR_OTHER);
dprintf(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_detach_kernel_driver leave");
DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_detach_kernel_driver leave");
return (0);
}
@ -751,12 +776,12 @@ libusb_attach_kernel_driver(libusb_device_handle * devh, int interface)
ctx = NULL;
GET_CONTEXT(ctx);
dprintf(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_attach_kernel_driver enter");
DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_attach_kernel_driver enter");
if (devh == NULL)
return (LIBUSB_ERROR_INVALID_PARAM);
dprintf(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_attach_kernel_driver leave");
DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_attach_kernel_driver leave");
return (0);
}
@ -772,7 +797,7 @@ libusb_alloc_transfer(int iso_packets)
ctx = NULL;
GET_CONTEXT(ctx);
dprintf(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_alloc_transfer enter");
DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_alloc_transfer enter");
len = sizeof(struct libusb_transfer) +
sizeof(struct usb_transfer) +
@ -788,7 +813,7 @@ libusb_alloc_transfer(int iso_packets)
xfer = (struct libusb_transfer *) ((uint8_t *)bxfer +
sizeof(struct usb_transfer));
dprintf(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_alloc_transfer leave");
DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_alloc_transfer leave");
return (xfer);
}
@ -800,7 +825,7 @@ libusb_free_transfer(struct libusb_transfer *xfer)
ctx = NULL;
GET_CONTEXT(ctx);
dprintf(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_free_transfer enter");
DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_free_transfer enter");
if (xfer == NULL)
return ;
@ -809,121 +834,10 @@ libusb_free_transfer(struct libusb_transfer *xfer)
sizeof(struct usb_transfer));
free(bxfer);
dprintf(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_free_transfer leave");
DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_free_transfer leave");
return;
}
static void
libusb10_proxy(struct libusb20_transfer *xfer)
{
struct usb_transfer *usb_backend;
struct libusb20_device *pdev;
libusb_transfer *usb_xfer;
libusb_context *ctx;
uint8_t status;
uint32_t iso_packets;
int i;
status = libusb20_tr_get_status(xfer);
usb_xfer = libusb20_tr_get_priv_sc0(xfer);
usb_backend = (struct usb_transfer *) ((uint8_t *)usb_xfer -
sizeof(struct usb_transfer));
pdev = usb_xfer->dev_handle->dev->os_priv;
ctx = usb_xfer->dev_handle->dev->ctx;
GET_CONTEXT(ctx);
switch (status) {
case LIBUSB20_TRANSFER_COMPLETED:
dprintf(ctx, LIBUSB_DEBUG_TRANSFER, "LIBUSB20 SUBMIT");
usb_xfer->actual_length += libusb20_tr_get_actual_length(xfer);
usb_xfer->callback(usb_xfer);
pthread_mutex_lock(&ctx->flying_transfers_lock);
LIST_DEL(&usb_backend->list);
pthread_mutex_unlock(&ctx->flying_transfers_lock);
break ;
case LIBUSB20_TRANSFER_START:
dprintf(ctx, LIBUSB_DEBUG_TRANSFER, "LIBUSB20 START");
usb_xfer->actual_length = 0;
switch (usb_xfer->type) {
case LIBUSB_TRANSFER_TYPE_CONTROL:
dprintf(ctx, LIBUSB_DEBUG_TRANSFER, "TYPE CTR");
libusb20_tr_setup_control(xfer, usb_xfer->buffer,
(void *)(((uint8_t *) usb_xfer->buffer) +
sizeof(libusb_control_setup)),
usb_xfer->timeout);
break ;
case LIBUSB_TRANSFER_TYPE_ISOCHRONOUS:
dprintf(ctx, LIBUSB_DEBUG_TRANSFER, "TYPE ISO");
iso_packets = libusb20_tr_get_max_frames(xfer);
if (usb_xfer->num_iso_packets > iso_packets)
usb_xfer->num_iso_packets = iso_packets;
for (i = 0 ; i < usb_xfer->num_iso_packets ; i++) {
libusb20_tr_setup_isoc(xfer,
usb_xfer->buffer, usb_xfer->length, i);
}
libusb20_tr_set_total_frames(xfer, i);
break ;
case LIBUSB_TRANSFER_TYPE_BULK:
dprintf(ctx, LIBUSB_DEBUG_TRANSFER, "TYPE BULK");
libusb20_tr_setup_bulk(xfer, usb_xfer->buffer,
usb_xfer->length, usb_xfer->timeout);
break ;
case LIBUSB_TRANSFER_TYPE_INTERRUPT:
dprintf(ctx, LIBUSB_DEBUG_TRANSFER, "TYPE INTR");
libusb20_tr_setup_intr(xfer, usb_xfer->buffer,
usb_xfer->length, usb_xfer->timeout);
break ;
}
libusb20_tr_submit(xfer);
dprintf(ctx, LIBUSB_DEBUG_TRANSFER, "LIBUSB20 SUBMITED");
break ;
default:
if (ctx->debug == LIBUSB_DEBUG_TRANSFER)
printf("LIBUSB TRANSFER DEFAULT 0x%x\n", status);
usb_xfer->actual_length = 0;
usb_xfer->status = LIBUSB_TRANSFER_CANCELLED;
pthread_mutex_lock(&ctx->flying_transfers_lock);
LIST_DEL(&usb_backend->list);
pthread_mutex_unlock(&ctx->flying_transfers_lock);
usb_xfer->callback(usb_xfer);
break ;
}
switch (status) {
case LIBUSB20_TRANSFER_COMPLETED:
dprintf(ctx, LIBUSB_DEBUG_TRANSFER, "STATUS COMPLETED");
usb_xfer->status = LIBUSB_TRANSFER_COMPLETED;
break ;
case LIBUSB20_TRANSFER_OVERFLOW:
dprintf(ctx, LIBUSB_DEBUG_TRANSFER, "STATUS TR OVERFLOW");
usb_xfer->status = LIBUSB_TRANSFER_OVERFLOW;
break ;
case LIBUSB20_TRANSFER_NO_DEVICE:
dprintf(ctx, LIBUSB_DEBUG_TRANSFER, "STATUS TR NO DEVICE");
usb_xfer->status = LIBUSB_TRANSFER_NO_DEVICE;
break ;
case LIBUSB20_TRANSFER_STALL:
dprintf(ctx, LIBUSB_DEBUG_TRANSFER, "STATUS TR STALL");
usb_xfer->status = LIBUSB_TRANSFER_STALL;
break ;
case LIBUSB20_TRANSFER_CANCELLED:
dprintf(ctx, LIBUSB_DEBUG_TRANSFER, "STATUS TR CANCELLED");
usb_xfer->status = LIBUSB_TRANSFER_CANCELLED;
break ;
case LIBUSB20_TRANSFER_TIMED_OUT:
dprintf(ctx, LIBUSB_DEBUG_TRANSFER, "STATUS TR TIMEOUT");
usb_xfer->status = LIBUSB_TRANSFER_TIMED_OUT;
break ;
case LIBUSB20_TRANSFER_ERROR:
dprintf(ctx, LIBUSB_DEBUG_TRANSFER, "ERROR");
usb_xfer->status = LIBUSB_TRANSFER_ERROR;
break ;
}
}
static int
libusb_get_maxframe(struct libusb20_device *pdev, libusb_transfer *xfer)
{
@ -975,11 +889,10 @@ libusb_get_buffsize(struct libusb20_device *pdev, libusb_transfer *xfer)
case LIBUSB20_SPEED_FULL:
ret = 64;
break ;
case LIBUSB20_SPEED_HIGH:
default:
ret = 64;
break ;
}
/*add */
ret += 8;
break ;
default :
@ -1000,6 +913,121 @@ libusb_get_buffsize(struct libusb20_device *pdev, libusb_transfer *xfer)
return ret;
}
static void
libusb10_proxy(struct libusb20_transfer *xfer)
{
struct usb_transfer *usb_backend;
struct libusb20_device *pdev;
libusb_transfer *usb_xfer;
libusb_context *ctx;
uint32_t pos;
uint32_t max;
uint32_t size;
uint8_t status;
uint32_t iso_packets;
int i;
status = libusb20_tr_get_status(xfer);
usb_xfer = libusb20_tr_get_priv_sc0(xfer);
usb_backend = (struct usb_transfer *) ((uint8_t *)usb_xfer -
sizeof(struct usb_transfer));
pdev = usb_xfer->dev_handle->dev->os_priv;
ctx = usb_xfer->dev_handle->dev->ctx;
GET_CONTEXT(ctx);
switch (status) {
case LIBUSB20_TRANSFER_COMPLETED:
usb_backend->transferred += libusb20_tr_get_actual_length(xfer);
DPRINTF(ctx, LIBUSB_DEBUG_TRANSFER, "LIBUSB20 TRANSFER %i bytes",
usb_backend->transferred);
if (usb_backend->transferred != usb_xfer->length)
goto tr_start;
DPRINTF(ctx, LIBUSB_DEBUG_TRANSFER, "LIBUSB20 TRANSFER COMPLETE");
usb_handle_transfer_completion(usb_backend, LIBUSB_TRANSFER_COMPLETED);
break ;
case LIBUSB20_TRANSFER_START:
tr_start:
DPRINTF(ctx, LIBUSB_DEBUG_TRANSFER, "LIBUSB20 START");
max = libusb_get_buffsize(pdev, usb_xfer);
pos = usb_backend->transferred;
size = (usb_xfer->length - pos);
size = (size > max) ? max : size;
usb_xfer->actual_length = 0;
switch (usb_xfer->type) {
case LIBUSB_TRANSFER_TYPE_CONTROL:
DPRINTF(ctx, LIBUSB_DEBUG_TRANSFER, "TYPE CTR");
libusb20_tr_setup_control(xfer, usb_xfer->buffer,
(void *)(((uint8_t *) &usb_xfer->buffer[pos]) +
sizeof(libusb_control_setup)),
usb_xfer->timeout);
break ;
case LIBUSB_TRANSFER_TYPE_ISOCHRONOUS:
DPRINTF(ctx, LIBUSB_DEBUG_TRANSFER, "TYPE ISO");
iso_packets = libusb20_tr_get_max_frames(xfer);
if (usb_xfer->num_iso_packets > iso_packets)
usb_xfer->num_iso_packets = iso_packets;
for (i = 0 ; i < usb_xfer->num_iso_packets ; i++) {
libusb20_tr_setup_isoc(xfer,
&usb_xfer->buffer[pos], size, i);
}
libusb20_tr_set_total_frames(xfer, i);
break ;
case LIBUSB_TRANSFER_TYPE_BULK:
DPRINTF(ctx, LIBUSB_DEBUG_TRANSFER, "TYPE BULK");
libusb20_tr_setup_bulk(xfer, &usb_xfer->buffer[pos],
size, usb_xfer->timeout);
break ;
case LIBUSB_TRANSFER_TYPE_INTERRUPT:
DPRINTF(ctx, LIBUSB_DEBUG_TRANSFER, "TYPE INTR");
libusb20_tr_setup_intr(xfer, &usb_xfer->buffer[pos],
size, usb_xfer->timeout);
break ;
}
libusb20_tr_submit(xfer);
DPRINTF(ctx, LIBUSB_DEBUG_TRANSFER, "LIBUSB20 SUBMITED");
break ;
default:
DPRINTF(ctx, LIBUSB_DEBUG_TRANSFER, "TRANSFER DEFAULT 0x%x\n",
status);
usb_backend->transferred = 0;
usb_handle_transfer_completion(usb_backend, LIBUSB_TRANSFER_CANCELLED);
break ;
}
switch (status) {
case LIBUSB20_TRANSFER_COMPLETED:
DPRINTF(ctx, LIBUSB_DEBUG_TRANSFER, "STATUS COMPLETED");
usb_xfer->status = LIBUSB_TRANSFER_COMPLETED;
break ;
case LIBUSB20_TRANSFER_OVERFLOW:
DPRINTF(ctx, LIBUSB_DEBUG_TRANSFER, "STATUS TR OVERFLOW");
usb_xfer->status = LIBUSB_TRANSFER_OVERFLOW;
break ;
case LIBUSB20_TRANSFER_NO_DEVICE:
DPRINTF(ctx, LIBUSB_DEBUG_TRANSFER, "STATUS TR NO DEVICE");
usb_xfer->status = LIBUSB_TRANSFER_NO_DEVICE;
break ;
case LIBUSB20_TRANSFER_STALL:
DPRINTF(ctx, LIBUSB_DEBUG_TRANSFER, "STATUS TR STALL");
usb_xfer->status = LIBUSB_TRANSFER_STALL;
break ;
case LIBUSB20_TRANSFER_CANCELLED:
DPRINTF(ctx, LIBUSB_DEBUG_TRANSFER, "STATUS TR CANCELLED");
usb_xfer->status = LIBUSB_TRANSFER_CANCELLED;
break ;
case LIBUSB20_TRANSFER_TIMED_OUT:
DPRINTF(ctx, LIBUSB_DEBUG_TRANSFER, "STATUS TR TIMEOUT");
usb_xfer->status = LIBUSB_TRANSFER_TIMED_OUT;
break ;
case LIBUSB20_TRANSFER_ERROR:
DPRINTF(ctx, LIBUSB_DEBUG_TRANSFER, "ERROR");
usb_xfer->status = LIBUSB_TRANSFER_ERROR;
break ;
}
}
int
libusb_submit_transfer(struct libusb_transfer *xfer)
{
@ -1007,15 +1035,15 @@ libusb_submit_transfer(struct libusb_transfer *xfer)
struct usb_transfer *usb_backend;
struct usb_transfer *usb_node;
struct libusb20_device *pdev;
struct libusb_context *ctx;
struct usb_ep_tr *eptr;
struct timespec cur_ts;
struct timeval *cur_tv;
libusb_device_handle *devh;
libusb_context *ctx;
int maxframe;
int buffsize;
int num_frame;
int ep_idx;
int ret;
int i;
if (xfer == NULL)
return (LIBUSB_ERROR_NO_MEM);
@ -1026,8 +1054,9 @@ libusb_submit_transfer(struct libusb_transfer *xfer)
ctx = xfer->dev_handle->dev->ctx;
pdev = xfer->dev_handle->os_priv;
devh = xfer->dev_handle;
dprintf(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_submit_transfer enter");
DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_submit_transfer enter");
usb_backend = (struct usb_transfer *) ((uint8_t *)xfer -
sizeof(struct usb_transfer));
@ -1045,37 +1074,36 @@ libusb_submit_transfer(struct libusb_transfer *xfer)
}
TIMESPEC_TO_TIMEVAL(&usb_backend->timeout, &cur_ts);
}
}
/*Add to flying list*/
pthread_mutex_lock(&ctx->flying_transfers_lock);
if (USB_LIST_EMPTY(&ctx->flying_transfers)) {
LIST_ADD(&usb_backend->list, &ctx->flying_transfers);
if (TAILQ_EMPTY(&ctx->flying_transfers)) {
TAILQ_INSERT_HEAD(&ctx->flying_transfers, usb_backend, list);
goto out;
}
if (timerisset(&usb_backend->timeout) == 0) {
LIST_ADD_TAIL(&usb_backend->list, &ctx->flying_transfers);
TAILQ_INSERT_HEAD(&ctx->flying_transfers, usb_backend, list);
goto out;
}
LIST_FOREACH_ENTRY(usb_node, &ctx->flying_transfers, list) {
TAILQ_FOREACH(usb_node, &ctx->flying_transfers, list) {
cur_tv = &usb_node->timeout;
if (timerisset(cur_tv) == 0 ||
(cur_tv->tv_sec > usb_backend->timeout.tv_sec) ||
(cur_tv->tv_sec == usb_backend->timeout.tv_sec &&
cur_tv->tv_usec > usb_backend->timeout.tv_usec)) {
LIST_ADD_TAIL(&usb_backend->list, &usb_node->list);
TAILQ_INSERT_TAIL(&ctx->flying_transfers, usb_backend, list);
goto out;
}
}
LIST_ADD_TAIL(&usb_backend->list, &ctx->flying_transfers);
TAILQ_INSERT_TAIL(&ctx->flying_transfers, usb_backend, list);
out:
pthread_mutex_unlock(&ctx->flying_transfers_lock);
usb20_xfer[0] = libusb20_tr_get_pointer(pdev,
((xfer->endpoint / 0x40) | (xfer->endpoint * 4)) % (16 * 4));
usb20_xfer[1] = libusb20_tr_get_pointer(pdev,
(((xfer->endpoint / 0x40) | (xfer->endpoint * 4)) % (16 * 4)) + 1);
ep_idx = (xfer->endpoint / 0x40) | (xfer->endpoint * 4) % (16 * 4);
usb20_xfer[0] = libusb20_tr_get_pointer(pdev, ep_idx);
usb20_xfer[1] = libusb20_tr_get_pointer(pdev, ep_idx + 1);
if (usb20_xfer[0] == NULL)
return (LIBUSB_ERROR_OTHER);
@ -1087,18 +1115,31 @@ libusb_submit_transfer(struct libusb_transfer *xfer)
buffsize = libusb_get_buffsize(pdev, xfer);
maxframe = libusb_get_maxframe(pdev, xfer);
ret = libusb20_tr_open(usb20_xfer[0], buffsize,
maxframe, xfer->endpoint);
if (xfer->type == LIBUSB_TRANSFER_TYPE_ISOCHRONOUS)
ret |= libusb20_tr_open(usb20_xfer[1], buffsize,
maxframe, xfer->endpoint);
ret = 0;
TAILQ_FOREACH(eptr, &devh->ep_list, list) {
if (xfer->endpoint == eptr->addr)
ret++;
}
if (ret == 0) {
eptr = malloc(sizeof(struct usb_ep_tr));
eptr->addr = xfer->endpoint;
eptr->idx = ep_idx;
eptr->os_priv = usb20_xfer;
eptr->flags = (xfer->type == LIBUSB_TRANSFER_TYPE_ISOCHRONOUS)?1:0;
TAILQ_INSERT_HEAD(&devh->ep_list, eptr, list);
ret = libusb20_tr_open(usb20_xfer[0], buffsize,
maxframe, xfer->endpoint);
if (xfer->type == LIBUSB_TRANSFER_TYPE_ISOCHRONOUS)
ret |= libusb20_tr_open(usb20_xfer[1], buffsize,
maxframe, xfer->endpoint);
if (ret != 0) {
pthread_mutex_unlock(&libusb20_lock);
pthread_mutex_lock(&ctx->flying_transfers_lock);
LIST_DEL(&usb_backend->list);
pthread_mutex_unlock(&ctx->flying_transfers_lock);
return (LIBUSB_ERROR_OTHER);
if (ret != 0) {
pthread_mutex_unlock(&libusb20_lock);
pthread_mutex_lock(&ctx->flying_transfers_lock);
TAILQ_REMOVE(&ctx->flying_transfers, usb_backend, list);
pthread_mutex_unlock(&ctx->flying_transfers_lock);
return (LIBUSB_ERROR_OTHER);
}
}
libusb20_tr_set_priv_sc0(usb20_xfer[0], xfer);
@ -1108,13 +1149,14 @@ libusb_submit_transfer(struct libusb_transfer *xfer)
libusb20_tr_set_callback(usb20_xfer[1], libusb10_proxy);
}
DPRINTF(ctx, LIBUSB_DEBUG_TRANSFER, "LIBUSB20_TR_START");
libusb20_tr_start(usb20_xfer[0]);
if (xfer->type == LIBUSB_TRANSFER_TYPE_ISOCHRONOUS)
libusb20_tr_start(usb20_xfer[1]);
pthread_mutex_unlock(&libusb20_lock);
dprintf(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_submit_transfer leave");
DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_submit_transfer leave");
return (0);
}
@ -1125,7 +1167,7 @@ libusb_cancel_transfer(struct libusb_transfer *xfer)
ctx = NULL;
GET_CONTEXT(ctx);
dprintf(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_cancel_transfer enter");
DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_cancel_transfer enter");
if (xfer == NULL)
return (LIBUSB_ERROR_NO_MEM);
@ -1134,7 +1176,7 @@ libusb_cancel_transfer(struct libusb_transfer *xfer)
libusb20_tr_stop(xfer->os_priv);
pthread_mutex_unlock(&libusb20_lock);
dprintf(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_cancel_transfer leave");
DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_cancel_transfer leave");
return (0);
}

View File

@ -31,44 +31,6 @@
* The two following macros were taken from the original LibUSB v1.0
* for sake of compatibility:
*/
#define USB_LIST_INIT(entry) \
(entry)->prev = (entry)->next = entry;
#define USB_LIST_EMPTY(entry) \
((entry)->next = (entry))
#define LIST_ADD(entry, head) \
(entry)->next = (head)->next; \
(entry)->prev = (head); \
(head)->next->prev = (entry); \
(head)->next = (entry);
#define LIST_ADD_TAIL(entry, head) \
(entry)->next = (head); \
(entry)->prev = (head)->prev; \
(head)->prev->next = (entry); \
(head)->prev = (entry);
#define LIST_DEL(entry) \
(entry)->next->prev = (entry)->prev; \
(entry)->prev->next = (entry)->next;
#define LIST_ENT(ptr, type, member) \
((type *)((char *)(ptr) - (unsigned long) (&((type*)0L)->member)))
#define LIST_FOREACH_ENTRY(pos, head, member) \
for (pos = LIST_ENT((head)->next, typeof(*pos), member) ; \
&pos->member != head ; \
pos = LIST_ENT(pos->member.next, typeof(*pos), member))
#define LIST_FOREACH_ENTRY_SAFE(pos, n, head, member) \
for (pos = LIST_ENT((head)->next, typeof(*pos), member), \
n = LIST_ENT(pos->member.next, typeof(*pos), member); \
&pos->member != (head); \
pos = n, n = LIST_ENT(n->member.next, typeof(*n), member))
/* fetch libusb20_transfer from libusb20_device */
#define GET_XFER(xfer, endpoint, pdev)\
xfer = libusb20_tr_get_pointer(pdev, \
(2 *endpoint)|(endpoint/0x80)); \
if (xfer == NULL) \
return (LIBUSB_ERROR_OTHER);
static int get_next_timeout(libusb_context *ctx, struct timeval *tv, struct timeval *out);
static int handle_timeouts(struct libusb_context *ctx);
@ -83,163 +45,26 @@ extern pthread_mutex_t libusb20_lock;
#define MAX(a,b) (((a)>(b))?(a):(b))
#define USB_TIMED_OUT (1<<0)
#define UNEXPORTED __attribute__((__visibility__("hidden")))
static inline void
dprintf(libusb_context *ctx, int debug, char *str)
{
if (ctx->debug != debug)
return ;
switch (ctx->debug) {
case LIBUSB_DEBUG_NO:
break ;
case LIBUSB_DEBUG_FUNCTION:
printf("LIBUSB FUNCTION : %s\n", str);
break ;
case LIBUSB_DEBUG_TRANSFER:
printf("LIBUSB TRANSFER : %s\n", str);
break ;
default:
printf("LIBUSB UNKNOW DEBUG\n");
break ;
}
return ;
#define DPRINTF(ctx, dbg, format, args...) \
if (ctx->debug == dbg) { \
printf("LIBUSB_%s : ", (ctx->debug == LIBUSB_DEBUG_FUNCTION) ? "FUNCTION" : "TRANSFER"); \
switch(ctx->debug) { \
case LIBUSB_DEBUG_FUNCTION: \
printf(format, ## args);\
break ; \
case LIBUSB_DEBUG_TRANSFER: \
printf(format, ## args);\
break ; \
} \
printf("\n"); \
}
struct usb_pollfd {
struct libusb_pollfd pollfd;
struct list_head list;
};
struct usb_transfer {
int num_iso_packets;
struct list_head list;
struct timeval timeout;
int transferred;
uint8_t flags;
};
static inline int
usb_add_pollfd(libusb_context *ctx, int fd, short events)
{
struct usb_pollfd *pollfd;
if (ctx == NULL)
return (LIBUSB_ERROR_INVALID_PARAM);
pollfd = malloc(sizeof(*pollfd));
if (pollfd == NULL)
return (LIBUSB_ERROR_NO_MEM);
pollfd->pollfd.fd = fd;
pollfd->pollfd.events = events;
pthread_mutex_lock(&ctx->pollfds_lock);
LIST_ADD_TAIL(&pollfd->list, &ctx->pollfds);
pthread_mutex_unlock(&ctx->pollfds_lock);
if (ctx->fd_added_cb)
ctx->fd_added_cb(fd, events, ctx->fd_cb_user_data);
return (0);
}
static inline void
usb_remove_pollfd(libusb_context *ctx, int fd)
{
struct usb_pollfd *pollfd;
int found;
found = 0;
pthread_mutex_lock(&ctx->pollfds_lock);
LIST_FOREACH_ENTRY(pollfd, &ctx->pollfds, list) {
if (pollfd->pollfd.fd == fd) {
found = 1;
break ;
}
}
if (found == 0) {
pthread_mutex_unlock(&ctx->pollfds_lock);
return ;
}
LIST_DEL(&pollfd->list);
pthread_mutex_unlock(&ctx->pollfds_lock);
free(pollfd);
if (ctx->fd_removed_cb)
ctx->fd_removed_cb(fd, ctx->fd_cb_user_data);
}
static inline void
usb_handle_transfer_completion(struct usb_transfer *uxfer,
enum libusb_transfer_status status)
{
libusb_transfer *xfer;
libusb_context *ctx;
int len;
xfer = (struct libusb_transfer *) ((uint8_t *)uxfer +
sizeof(struct usb_transfer));
ctx = xfer->dev_handle->dev->ctx;
pthread_mutex_lock(&ctx->flying_transfers_lock);
LIST_DEL(&uxfer->list);
pthread_mutex_unlock(&ctx->flying_transfers_lock);
if (status == LIBUSB_TRANSFER_COMPLETED && xfer->flags &
LIBUSB_TRANSFER_SHORT_NOT_OK) {
len = xfer->length;
if (xfer->type == LIBUSB_TRANSFER_TYPE_CONTROL)
len -= sizeof(libusb_control_setup);
if (len != uxfer->transferred) {
status = LIBUSB_TRANSFER_ERROR;
}
}
xfer->status = status;
xfer->actual_length = uxfer->transferred;
if (xfer->callback)
xfer->callback(xfer);
if (xfer->flags & LIBUSB_TRANSFER_FREE_TRANSFER)
libusb_free_transfer(xfer);
pthread_mutex_lock(&ctx->event_waiters_lock);
pthread_cond_broadcast(&ctx->event_waiters_cond);
pthread_mutex_unlock(&ctx->event_waiters_lock);
}
static inline void
usb_handle_disconnect(struct libusb_device_handle *devh)
{
struct libusb_context *ctx;
struct libusb_transfer *xfer;
struct usb_transfer *cur;
struct usb_transfer *to_cancel;
ctx = devh->dev->ctx;
while (1) {
pthread_mutex_lock(&ctx->flying_transfers_lock);
to_cancel = NULL;
LIST_FOREACH_ENTRY(cur, &ctx->flying_transfers, list) {
xfer = (struct libusb_transfer *) ((uint8_t *)cur +
sizeof(struct usb_transfer));
if (xfer->dev_handle == devh) {
to_cancel = cur;
break ;
}
}
pthread_mutex_unlock(&ctx->flying_transfers_lock);
if (to_cancel == NULL)
break ;
usb_handle_transfer_completion(to_cancel, LIBUSB_TRANSFER_NO_DEVICE);
}
return ;
}
UNEXPORTED int usb_add_pollfd(libusb_context *ctx, int fd, short events);
UNEXPORTED void usb_remove_pollfd(libusb_context *ctx, int fd);
UNEXPORTED void usb_handle_transfer_completion(struct usb_transfer *uxfer,
enum libusb_transfer_status status);
UNEXPORTED void usb_handle_disconnect(struct libusb_device_handle *devh);
#endif /*__LIBUSB10_H__*/

View File

@ -47,7 +47,7 @@ libusb_get_device_descriptor(libusb_device * dev,
ctx = NULL;
GET_CONTEXT(ctx);
dprintf(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_get_device_descriptor enter");
DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_get_device_descriptor enter");
if ((dev == NULL) || (desc == NULL))
return (LIBUSB_ERROR_INVALID_PARAM);
@ -70,7 +70,7 @@ libusb_get_device_descriptor(libusb_device * dev,
desc->iSerialNumber = pdesc->iSerialNumber;
desc->bNumConfigurations = pdesc->bNumConfigurations;
dprintf(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_get_device_descriptor leave");
DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_get_device_descriptor leave");
return (0);
}
@ -84,12 +84,12 @@ libusb_get_active_config_descriptor(libusb_device * dev,
ctx = NULL;
GET_CONTEXT(ctx);
dprintf(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_get_active_config_descriptor enter");
DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_get_active_config_descriptor enter");
pdev = dev->os_priv;
idx = libusb20_dev_get_config_index(pdev);
dprintf(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_get_active_config_descriptor leave");
DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_get_active_config_descriptor leave");
return (libusb_get_config_descriptor(dev, idx, config));
}
@ -113,7 +113,7 @@ libusb_get_config_descriptor(libusb_device * dev, uint8_t config_index,
ctx = NULL;
GET_CONTEXT(ctx);
dprintf(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_get_config_descriptor enter");
DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_get_config_descriptor enter");
if (dev == NULL || config == NULL)
return (LIBUSB_ERROR_INVALID_PARAM);
@ -225,7 +225,7 @@ libusb_get_config_descriptor(libusb_device * dev, uint8_t config_index,
}
free(pconf);
dprintf(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_get_config_descriptor leave");
DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_get_config_descriptor leave");
return (0);
}
@ -241,7 +241,7 @@ libusb_get_config_descriptor_by_value(libusb_device * dev,
ctx = NULL;
GET_CONTEXT(ctx);
dprintf(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_get_config_descriptor_by_value enter");
DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_get_config_descriptor_by_value enter");
if (dev == NULL || config == NULL)
return (LIBUSB_ERROR_INVALID_PARAM);
@ -259,7 +259,7 @@ libusb_get_config_descriptor_by_value(libusb_device * dev,
free(pconf);
}
dprintf(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_get_config_descriptor_by_value leave");
DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_get_config_descriptor_by_value leave");
return (LIBUSB_ERROR_NOT_FOUND);
}
@ -270,10 +270,10 @@ libusb_free_config_descriptor(struct libusb_config_descriptor *config)
ctx = NULL;
GET_CONTEXT(ctx);
dprintf(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_free_config_descriptor enter");
DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_free_config_descriptor enter");
free(config);
dprintf(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_free_config_descriptor leave");
DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_free_config_descriptor leave");
}
int
@ -282,17 +282,16 @@ libusb_get_string_descriptor_ascii(libusb_device_handle * dev,
{
struct libusb20_device *pdev;
libusb_context *ctx;
int ret;
ctx = NULL;
GET_CONTEXT(ctx);
dprintf(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_get_string_descriptor_ascii enter");
DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_get_string_descriptor_ascii enter");
if (dev == NULL || data == NULL)
return (LIBUSB20_ERROR_INVALID_PARAM);
pdev = dev->os_priv;
dprintf(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_get_string_descriptor_ascii leave");
DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_get_string_descriptor_ascii leave");
if (libusb20_dev_req_string_simple_sync(pdev, desc_index,
data, length) == 0)
return (strlen(data));

View File

@ -39,15 +39,135 @@
#include "libusb.h"
#include "libusb10.h"
static int
UNEXPORTED int
usb_add_pollfd(libusb_context *ctx, int fd, short events)
{
struct usb_pollfd *pollfd;
if (ctx == NULL)
return (LIBUSB_ERROR_INVALID_PARAM);
pollfd = malloc(sizeof(*pollfd));
if (pollfd == NULL)
return (LIBUSB_ERROR_NO_MEM);
pollfd->pollfd.fd = fd;
pollfd->pollfd.events = events;
pthread_mutex_lock(&ctx->pollfds_lock);
TAILQ_INSERT_TAIL(&ctx->pollfds, pollfd, list);
pthread_mutex_unlock(&ctx->pollfds_lock);
if (ctx->fd_added_cb)
ctx->fd_added_cb(fd, events, ctx->fd_cb_user_data);
return (0);
}
UNEXPORTED void
usb_remove_pollfd(libusb_context *ctx, int fd)
{
struct usb_pollfd *pollfd;
int found;
found = 0;
pthread_mutex_lock(&ctx->pollfds_lock);
TAILQ_FOREACH(pollfd, &ctx->pollfds, list) {
if (pollfd->pollfd.fd == fd) {
found = 1;
break ;
}
}
if (found == 0) {
pthread_mutex_unlock(&ctx->pollfds_lock);
return ;
}
TAILQ_REMOVE(&ctx->pollfds, pollfd, list);
pthread_mutex_unlock(&ctx->pollfds_lock);
free(pollfd);
if (ctx->fd_removed_cb)
ctx->fd_removed_cb(fd, ctx->fd_cb_user_data);
}
UNEXPORTED void
usb_handle_transfer_completion(struct usb_transfer *uxfer,
enum libusb_transfer_status status)
{
libusb_transfer *xfer;
libusb_context *ctx;
int len;
xfer = (struct libusb_transfer *) ((uint8_t *)uxfer +
sizeof(struct usb_transfer));
ctx = xfer->dev_handle->dev->ctx;
pthread_mutex_lock(&ctx->flying_transfers_lock);
TAILQ_REMOVE(&ctx->flying_transfers, uxfer, list);
pthread_mutex_unlock(&ctx->flying_transfers_lock);
if (status == LIBUSB_TRANSFER_COMPLETED && xfer->flags &
LIBUSB_TRANSFER_SHORT_NOT_OK) {
len = xfer->length;
if (xfer->type == LIBUSB_TRANSFER_TYPE_CONTROL)
len -= sizeof(libusb_control_setup);
if (len != uxfer->transferred) {
status = LIBUSB_TRANSFER_ERROR;
}
}
xfer->status = status;
xfer->actual_length = uxfer->transferred;
if (xfer->callback)
xfer->callback(xfer);
if (xfer->flags & LIBUSB_TRANSFER_FREE_TRANSFER)
libusb_free_transfer(xfer);
pthread_mutex_lock(&ctx->event_waiters_lock);
pthread_cond_broadcast(&ctx->event_waiters_cond);
pthread_mutex_unlock(&ctx->event_waiters_lock);
}
UNEXPORTED void
usb_handle_disconnect(struct libusb_device_handle *devh)
{
struct libusb_context *ctx;
struct libusb_transfer *xfer;
struct usb_transfer *cur;
struct usb_transfer *to_cancel;
ctx = devh->dev->ctx;
while (1) {
pthread_mutex_lock(&ctx->flying_transfers_lock);
to_cancel = NULL;
TAILQ_FOREACH(cur, &ctx->flying_transfers, list) {
xfer = (struct libusb_transfer *) ((uint8_t *)cur +
sizeof(struct usb_transfer));
if (xfer->dev_handle == devh) {
to_cancel = cur;
break ;
}
}
pthread_mutex_unlock(&ctx->flying_transfers_lock);
if (to_cancel == NULL)
break ;
usb_handle_transfer_completion(to_cancel, LIBUSB_TRANSFER_NO_DEVICE);
}
return ;
}
UNEXPORTED int
get_next_timeout(libusb_context *ctx, struct timeval *tv, struct timeval *out)
{
struct timeval timeout;
int ret;
ret = libusb_get_next_timeout(ctx, &timeout);
if (ret) {
if (libusb_get_next_timeout(ctx, &timeout)) {
if (timerisset(&timeout) == 0)
return 1;
if (timercmp(&timeout, tv, <) != 0)
@ -61,7 +181,7 @@ get_next_timeout(libusb_context *ctx, struct timeval *tv, struct timeval *out)
return (0);
}
static int
UNEXPORTED int
handle_timeouts(struct libusb_context *ctx)
{
struct timespec sys_ts;
@ -75,13 +195,13 @@ handle_timeouts(struct libusb_context *ctx)
ret = 0;
pthread_mutex_lock(&ctx->flying_transfers_lock);
if (USB_LIST_EMPTY(&ctx->flying_transfers))
if (TAILQ_EMPTY(&ctx->flying_transfers))
goto out;
ret = clock_gettime(CLOCK_MONOTONIC, &sys_ts);
TIMESPEC_TO_TIMEVAL(&sys_tv, &sys_ts);
LIST_FOREACH_ENTRY(xfer, &ctx->flying_transfers, list) {
TAILQ_FOREACH(xfer, &ctx->flying_transfers, list) {
cur_tv = &xfer->timeout;
if (timerisset(cur_tv) == 0)
@ -104,39 +224,35 @@ handle_timeouts(struct libusb_context *ctx)
return (ret);
}
static int
UNEXPORTED int
handle_events(struct libusb_context *ctx, struct timeval *tv)
{
struct libusb_pollfd *tmppollfd;
struct libusb_device_handle *devh;
struct usb_pollfd *ipollfd;
struct usb_transfer *cur;
struct usb_transfer *cancel;
struct libusb_transfer *xfer;
struct pollfd *fds;
struct pollfd *tfds;
nfds_t nfds;
int tmpfd;
int tmp;
int ret;
int timeout;
int i;
GET_CONTEXT(ctx);
dprintf(ctx, LIBUSB_DEBUG_FUNCTION, "handle_events enter");
DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "handle_events enter");
nfds = 0;
i = -1;
pthread_mutex_lock(&ctx->pollfds_lock);
LIST_FOREACH_ENTRY(ipollfd, &ctx->pollfds, list)
TAILQ_FOREACH(ipollfd, &ctx->pollfds, list)
nfds++;
fds = malloc(sizeof(*fds) * nfds);
fds = alloca(sizeof(*fds) * nfds);
if (fds == NULL)
return (LIBUSB_ERROR_NO_MEM);
LIST_FOREACH_ENTRY(ipollfd, &ctx->pollfds, list) {
TAILQ_FOREACH(ipollfd, &ctx->pollfds, list) {
tmppollfd = &ipollfd->pollfd;
tmpfd = tmppollfd->fd;
i++;
@ -152,16 +268,12 @@ handle_events(struct libusb_context *ctx, struct timeval *tv)
timeout++;
ret = poll(fds, nfds, timeout);
if (ret == 0) {
free(fds);
if (ret == 0)
return (handle_timeouts(ctx));
} else if (ret == -1 && errno == EINTR) {
free(fds);
else if (ret == -1 && errno == EINTR)
return (LIBUSB_ERROR_INTERRUPTED);
} else if (ret < 0) {
free(fds);
else if (ret < 0)
return (LIBUSB_ERROR_IO);
}
if (fds[0].revents) {
if (ret == 1){
@ -174,28 +286,30 @@ handle_events(struct libusb_context *ctx, struct timeval *tv)
}
pthread_mutex_lock(&ctx->open_devs_lock);
for (i = 0 ; i < nfds && ret > 0 ; i++) {
for (i = 0, devh = NULL ; i < nfds && ret > 0 ; i++) {
tfds = &fds[i];
if (!tfds->revents)
continue;
ret--;
LIST_FOREACH_ENTRY(devh, &ctx->open_devs, list) {
TAILQ_FOREACH(devh, &ctx->open_devs, list) {
if (libusb20_dev_get_fd(devh->os_priv) == tfds->fd)
break ;
}
if (tfds->revents & POLLERR) {
usb_remove_pollfd(ctx, libusb20_dev_get_fd(devh->os_priv));
usb_handle_disconnect(devh);
if (devh != NULL)
usb_handle_disconnect(devh);
continue ;
}
pthread_mutex_lock(&libusb20_lock);
dprintf(ctx, LIBUSB_DEBUG_TRANSFER, "LIBUSB20_PROCESS");
ret = libusb20_dev_process(devh->os_priv);
DPRINTF(ctx, LIBUSB_DEBUG_TRANSFER, "LIBUSB20_PROCESS");
if (devh != NULL)
ret = libusb20_dev_process(devh->os_priv);
pthread_mutex_unlock(&libusb20_lock);
@ -210,8 +324,7 @@ handle_events(struct libusb_context *ctx, struct timeval *tv)
pthread_mutex_unlock(&ctx->open_devs_lock);
handled:
free(fds);
dprintf(ctx, LIBUSB_DEBUG_FUNCTION, "handle_events leave");
DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "handle_events leave");
return ret;
}
@ -223,7 +336,7 @@ libusb_try_lock_events(libusb_context * ctx)
int ret;
GET_CONTEXT(ctx);
dprintf(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_try_lock_events enter");
DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_try_lock_events enter");
pthread_mutex_lock(&ctx->pollfd_modify_lock);
ret = ctx->pollfd_modify;
@ -239,7 +352,7 @@ libusb_try_lock_events(libusb_context * ctx)
ctx->event_handler_active = 1;
dprintf(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_try_lock_events leave");
DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_try_lock_events leave");
return (0);
}
@ -247,19 +360,19 @@ void
libusb_lock_events(libusb_context * ctx)
{
GET_CONTEXT(ctx);
dprintf(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_lock_events enter");
DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_lock_events enter");
pthread_mutex_lock(&ctx->events_lock);
ctx->event_handler_active = 1;
dprintf(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_lock_events leave");
DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_lock_events leave");
}
void
libusb_unlock_events(libusb_context * ctx)
{
GET_CONTEXT(ctx);
dprintf(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_unlock_events enter");
DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_unlock_events enter");
ctx->event_handler_active = 0;
pthread_mutex_unlock(&ctx->events_lock);
@ -268,7 +381,7 @@ libusb_unlock_events(libusb_context * ctx)
pthread_cond_broadcast(&ctx->event_waiters_cond);
pthread_mutex_unlock(&ctx->event_waiters_lock);
dprintf(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_unlock_events leave");
DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_unlock_events leave");
}
int
@ -277,7 +390,7 @@ libusb_event_handling_ok(libusb_context * ctx)
int ret;
GET_CONTEXT(ctx);
dprintf(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_event_handling_ok enter");
DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_event_handling_ok enter");
pthread_mutex_lock(&ctx->pollfd_modify_lock);
ret = ctx->pollfd_modify;
@ -286,7 +399,7 @@ libusb_event_handling_ok(libusb_context * ctx)
if (ret != 0)
return (0);
dprintf(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_event_handling_ok leave");
DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_event_handling_ok leave");
return (1);
}
@ -296,7 +409,7 @@ libusb_event_handler_active(libusb_context * ctx)
int ret;
GET_CONTEXT(ctx);
dprintf(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_event_handler_active enter");
DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_event_handler_active enter");
pthread_mutex_lock(&ctx->pollfd_modify_lock);
ret = ctx->pollfd_modify;
@ -305,7 +418,7 @@ libusb_event_handler_active(libusb_context * ctx)
if (ret != 0)
return (1);
dprintf(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_event_handler_active leave");
DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_event_handler_active leave");
return (ctx->event_handler_active);
}
@ -313,22 +426,22 @@ void
libusb_lock_event_waiters(libusb_context * ctx)
{
GET_CONTEXT(ctx);
dprintf(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_lock_event_waiters enter");
DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_lock_event_waiters enter");
pthread_mutex_lock(&ctx->event_waiters_lock);
dprintf(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_lock_event_waiters leave");
DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_lock_event_waiters leave");
}
void
libusb_unlock_event_waiters(libusb_context * ctx)
{
GET_CONTEXT(ctx);
dprintf(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_unlock_event_waiters enter");
DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_unlock_event_waiters enter");
pthread_mutex_unlock(&ctx->event_waiters_lock);
dprintf(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_unlock_event_waiters leave");
DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_unlock_event_waiters leave");
}
int
@ -338,7 +451,7 @@ libusb_wait_for_event(libusb_context * ctx, struct timeval *tv)
struct timespec ts;
GET_CONTEXT(ctx);
dprintf(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_wait_for_event enter");
DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_wait_for_event enter");
if (tv == NULL) {
pthread_cond_wait(&ctx->event_waiters_cond,
@ -363,19 +476,18 @@ libusb_wait_for_event(libusb_context * ctx, struct timeval *tv)
if (ret == ETIMEDOUT)
return (1);
dprintf(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_wait_for_event leave");
DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_wait_for_event leave");
return (0);
}
int
libusb_handle_events_timeout(libusb_context * ctx, struct timeval *tv)
{
struct timeval timeout;
struct timeval poll_timeout;
int ret;
GET_CONTEXT(ctx);
dprintf(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_handle_events_timeout enter");
DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_handle_events_timeout enter");
ret = get_next_timeout(ctx, tv, &poll_timeout);
if (ret != 0) {
@ -402,7 +514,7 @@ libusb_handle_events_timeout(libusb_context * ctx, struct timeval *tv)
else if (ret == 1)
return (handle_timeouts(ctx));
dprintf(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_handle_events_timeout leave");
DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_handle_events_timeout leave");
return (0);
}
@ -413,13 +525,13 @@ libusb_handle_events(libusb_context * ctx)
int ret;
GET_CONTEXT(ctx);
dprintf(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_handle_events enter");
DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_handle_events enter");
tv.tv_sec = 2;
tv.tv_usec = 0;
ret = libusb_handle_events_timeout(ctx, &tv);
dprintf(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_handle_events leave");
DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_handle_events leave");
return (ret);
}
@ -430,7 +542,7 @@ libusb_handle_events_locked(libusb_context * ctx, struct timeval *tv)
struct timeval poll_tv;
GET_CONTEXT(ctx);
dprintf(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_handle_events_locked enter");
DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_handle_events_locked enter");
ret = get_next_timeout(ctx, tv, &poll_tv);
if (ret != 0) {
@ -439,7 +551,7 @@ libusb_handle_events_locked(libusb_context * ctx, struct timeval *tv)
ret = handle_events(ctx, &poll_tv);
dprintf(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_handle_events_locked leave");
DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_handle_events_locked leave");
return (ret);
}
@ -454,16 +566,16 @@ libusb_get_next_timeout(libusb_context * ctx, struct timeval *tv)
int ret;
GET_CONTEXT(ctx);
dprintf(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_get_next_timeout enter");
DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_get_next_timeout enter");
found = 0;
pthread_mutex_lock(&ctx->flying_transfers_lock);
if (USB_LIST_EMPTY(&ctx->flying_transfers)) {
if (TAILQ_EMPTY(&ctx->flying_transfers)) {
pthread_mutex_unlock(&ctx->flying_transfers_lock);
return (0);
}
LIST_FOREACH_ENTRY(xfer, &ctx->flying_transfers, list) {
TAILQ_FOREACH(xfer, &ctx->flying_transfers, list) {
if (!(xfer->flags & USB_TIMED_OUT)) {
found = 1;
break ;
@ -489,7 +601,7 @@ libusb_get_next_timeout(libusb_context * ctx, struct timeval *tv)
else
timersub(next_tv, &cur_tv, tv);
dprintf(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_get_next_timeout leave");
DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_get_next_timeout leave");
return (1);
}
@ -499,13 +611,13 @@ libusb_set_pollfd_notifiers(libusb_context * ctx,
void *user_data)
{
GET_CONTEXT(ctx);
dprintf(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_set_pollfd_notifiers enter");
DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_set_pollfd_notifiers enter");
ctx->fd_added_cb = added_cb;
ctx->fd_removed_cb = removed_cb;
ctx->fd_cb_user_data = user_data;
dprintf(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_set_pollfd_notifiers leave");
DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_set_pollfd_notifiers leave");
}
struct libusb_pollfd **
@ -516,11 +628,11 @@ libusb_get_pollfds(libusb_context * ctx)
int i;
GET_CONTEXT(ctx);
dprintf(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_get_pollfds enter");
DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_get_pollfds enter");
i = 0;
pthread_mutex_lock(&ctx->pollfds_lock);
LIST_FOREACH_ENTRY(pollfd, &ctx->pollfds, list)
TAILQ_FOREACH(pollfd, &ctx->pollfds, list)
i++;
ret = calloc(i + 1 , sizeof(struct libusb_pollfd *));
@ -530,11 +642,11 @@ libusb_get_pollfds(libusb_context * ctx)
}
i = 0;
LIST_FOREACH_ENTRY(pollfd, &ctx->pollfds, list)
TAILQ_FOREACH(pollfd, &ctx->pollfds, list)
ret[i++] = (struct libusb_pollfd *) pollfd;
ret[i] = NULL;
dprintf(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_get_pollfds leave");
DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_get_pollfds leave");
return (ret);
}
@ -548,7 +660,7 @@ static void ctrl_tr_cb(struct libusb_transfer *transfer)
ctx = NULL;
GET_CONTEXT(ctx);
dprintf(ctx, LIBUSB_DEBUG_TRANSFER, "CALLBACK ENTER");
DPRINTF(ctx, LIBUSB_DEBUG_TRANSFER, "CALLBACK ENTER");
complet = transfer->user_data;
*complet = 1;
@ -568,7 +680,7 @@ libusb_control_transfer(libusb_device_handle * devh,
ctx = devh->dev->ctx;
GET_CONTEXT(ctx);
dprintf(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_control_transfer enter");
DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_control_transfer enter");
if (devh == NULL || data == NULL)
return (LIBUSB_ERROR_NO_MEM);
@ -637,7 +749,7 @@ libusb_control_transfer(libusb_device_handle * devh,
}
libusb_free_transfer(xfer);
dprintf(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_control_transfer leave");
DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_control_transfer leave");
return (ret);
}
@ -659,6 +771,7 @@ do_transfer(struct libusb_device_handle *devh,
return (LIBUSB_ERROR_NO_MEM);
ctx = devh->dev->ctx;
GET_CONTEXT(ctx);
xfer->dev_handle = devh;
xfer->endpoint = endpoint;
@ -670,8 +783,10 @@ do_transfer(struct libusb_device_handle *devh,
xfer->callback = ctrl_tr_cb;
complet = 0;
DPRINTF(ctx, LIBUSB_DEBUG_TRANSFER, "SUBMIT_TRANSFER");
if ((ret = libusb_submit_transfer(xfer)) < 0) {
libusb_free_transfer(xfer);
DPRINTF(ctx, LIBUSB_DEBUG_TRANSFER, "SUBMIT_TRANSFER FAILED %i", ret);
return (ret);
}
@ -688,6 +803,7 @@ do_transfer(struct libusb_device_handle *devh,
}
*transferred = xfer->actual_length;
DPRINTF(ctx, LIBUSB_DEBUG_TRANSFER, "xfer->status %i", xfer->status);
switch (xfer->status) {
case LIBUSB_TRANSFER_COMPLETED:
ret = xfer->actual_length;
@ -716,12 +832,12 @@ libusb_bulk_transfer(struct libusb_device_handle *devh,
ctx = NULL;
GET_CONTEXT(ctx);
dprintf(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_bulk_transfer enter");
DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_bulk_transfer enter");
ret = do_transfer(devh, endpoint, data, length, transferred,
timeout, LIBUSB_TRANSFER_TYPE_BULK);
dprintf(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_bulk_transfer leave");
DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_bulk_transfer leave");
return (ret);
}
@ -738,11 +854,11 @@ libusb_interrupt_transfer(struct libusb_device_handle *devh,
ctx = NULL;
GET_CONTEXT(ctx);
dprintf(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_interrupt_transfer enter");
DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_interrupt_transfer enter");
ret = do_transfer(devh, endpoint, data, length, transferred,
timeout, LIBUSB_TRANSFER_TYPE_INTERRUPT);
dprintf(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_interrupt_transfer leave");
DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_interrupt_transfer leave");
return (ret);
}