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This commit is contained in:
Godzil
2011-05-10 11:56:02 +02:00
committed by Manoel Trapier
parent bd9d3e1df3
commit 57dc545fad
6 changed files with 2381 additions and 2113 deletions
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20
libfusd/libfusd.c
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@@ -328,8 +328,6 @@ void fusd_fdset_add(fd_set *set, int *max)
}
}
/*
* fusd_dispatch_fdset: given an fd_set full of descriptors, call
* fusd_dispatch on every descriptor in the set which is a valid FUSD
@@ -410,16 +408,21 @@ static int fusd_dispatch_one(int fd, fusd_file_operations_t *fops)
/* dispatch on operation type */
user_retval = -ENOSYS;
printf("dispatch_one: subcmd: %d - ", msg->subcmd);
switch (msg->subcmd) {
case FUSD_OPEN:
printf("FUSD_OPEN\n");
if (fops && fops->open)
user_retval = fops->open(file);
break;
case FUSD_CLOSE:
printf("FUSD_CLOSE\n");
if (fops && fops->close)
user_retval = fops->close(file);
break;
case FUSD_READ:
printf("FUSD_READ\n");
/* allocate a buffer and make the call */
if (fops && fops->read) {
if ((msg->data = malloc(msg->parm.fops_msg.length)) == NULL) {
@@ -433,11 +436,13 @@ static int fusd_dispatch_one(int fd, fusd_file_operations_t *fops)
}
break;
case FUSD_WRITE:
printf("FUSD_WRITE\n");
if (fops && fops->write)
user_retval = fops->write(file, msg->data, msg->datalen,
&msg->parm.fops_msg.offset);
break;
case FUSD_MMAP:
printf("FUSD_MMAP\n");
if (fops && fops->mmap)
{
user_retval = fops->mmap(file, msg->parm.fops_msg.offset, msg->parm.fops_msg.length, msg->parm.fops_msg.flags,
@@ -445,6 +450,7 @@ static int fusd_dispatch_one(int fd, fusd_file_operations_t *fops)
}
break;
case FUSD_IOCTL:
printf("FUSD_IOCTL\n");
if (fops && fops->ioctl) {
/* in the case of an ioctl read, allocate a buffer for the
* driver to write to, IF there isn't already a buffer. (there
@@ -466,6 +472,7 @@ static int fusd_dispatch_one(int fd, fusd_file_operations_t *fops)
break;
case FUSD_POLL_DIFF:
printf("FUSD_POLL_DIFF\n");
/* This callback requests notification when an event occurs on a file,
* e.g. becoming readable or writable */
if (fops && fops->poll_diff)
@@ -473,6 +480,7 @@ static int fusd_dispatch_one(int fd, fusd_file_operations_t *fops)
break;
case FUSD_UNBLOCK:
printf("FUSD_UNBLOCK\n");
/* This callback is called when a system call is interrupted */
if (fops && fops->unblock)
user_retval = fops->unblock(file);
@@ -533,6 +541,7 @@ void fusd_dispatch(int fd)
if (!FUSD_FD_VALID(fd)) {
errno = EBADF;
retval = -1;
fprintf(stderr, "libfusd: not a valid FUSD FD\n");
goto out;
}
fops = FUSD_GET_FOPS(fd);
@@ -555,7 +564,7 @@ void fusd_dispatch(int fd)
out:
if (retval < 0 && errno != EPIPE)
fprintf(stderr, "libfusd: fusd_dispatch error on fd %d: %m\n", fd);
fprintf(stderr, "libfusd: fusd_dispatch error on fd %d: [%d] %m \n", fd, retval);
}
@@ -648,11 +657,16 @@ int fusd_return(fusd_file_info_t *file, ssize_t retval)
/* send message to kernel */
if (msg->datalen && msg->data != NULL) {
printf("(msg->datalen [%d] && msg->data != NULL [%p]", msg->datalen, msg->data);
iov[0].iov_base = msg;
iov[0].iov_len = sizeof(fusd_msg_t);
iov[1].iov_base = msg->data;
iov[1].iov_len = msg->datalen;
#if 0
driver_retval = writev(fd, iov, 2);
#else
driver_retval = ioctl(fd, 0xb16b00b5, iov);
#endif
}
else {
driver_retval = write(fd, msg, sizeof(fusd_msg_t));