static apr_status_t serf_mmap_readline(serf_bucket_t *bucket,
int acceptable, int *found,
const char **data, apr_size_t *len)
{
mmap_context_t *ctx = bucket->data;
const char *end;
/* ### Would it be faster to call this once and do the offset ourselves? */
apr_mmap_offset((void**)data, ctx->mmap, ctx->offset);
end = *data;
/* XXX An overflow is generated if we pass &ctx->remaining to readline.
* Not real clear why.
*/
*len = ctx->remaining;
serf_util_readline(&end, len, acceptable, found);
*len = end - *data;
ctx->offset += *len;
ctx->remaining -= *len;
if (ctx->remaining == 0) {
return APR_EOF;
}
return APR_SUCCESS;
}
static apr_status_t serf_mmap_read(serf_bucket_t *bucket,
apr_size_t requested,
const char **data, apr_size_t *len)
{
mmap_context_t *ctx = bucket->data;
if (requested == SERF_READ_ALL_AVAIL || requested > ctx->remaining) {
*len = ctx->remaining;
}
else {
*len = requested;
}
/* ### Would it be faster to call this once and do the offset ourselves? */
apr_mmap_offset((void**)data, ctx->mmap, ctx->offset);
/* For the next read... */
ctx->offset += *len;
ctx->remaining -= *len;
if (ctx->remaining == 0) {
return APR_EOF;
}
return APR_SUCCESS;
}
static void test_mmap_offset(abts_case *tc, void *data)
{
apr_status_t rv;
void *addr;
ABTS_PTR_NOTNULL(tc, themmap);
rv = apr_mmap_offset(&addr, themmap, 5);
/* Must use nEquals since the string is not guaranteed to be NULL terminated */
ABTS_STR_NEQUAL(tc, addr, TEST_STRING + 5, thisfsize-5);
}
static int jk2_shm_create(jk_env_t *env, jk_shm_t *shm)
{
int rc;
apr_file_t *file;
apr_finfo_t finfo;
apr_mmap_t *aprMmap;
apr_pool_t *globalShmPool;
globalShmPool= (apr_pool_t *)env->getAprPool( env );
if( globalShmPool==NULL )
return JK_FALSE;
/* Check if the scoreboard is in a note. That's the only way we
can get HP-UX to work
*/
apr_pool_userdata_get( & shm->image, "mod_jk_shm",globalShmPool );
if( shm->image!=NULL ) {
shm->head = (jk_shm_head_t *)shm->image;
if( shm->mbean->debug > 0 )
env->l->jkLog(env, env->l, JK_LOG_DEBUG,
"shm.create(): GLOBAL_SHM %#lx\n", shm->image );
return JK_OK;
} else {
if( shm->mbean->debug > 0 )
env->l->jkLog(env, env->l, JK_LOG_DEBUG,
"shm.create(): NO GLOBAL_SHM %#lx\n", shm->image );
}
/* First make sure the file exists and is big enough
*/
rc=apr_file_open( &file, shm->fname,
APR_READ | APR_WRITE | APR_CREATE | APR_BINARY,
APR_OS_DEFAULT, globalShmPool);
if (rc!=JK_OK) {
char error[256];
apr_strerror( rc, error, 256 );
env->l->jkLog(env, env->l, JK_LOG_ERROR,
"shm.create(): error opening file %s %d %s\n",
shm->fname, rc, error );
shm->privateData=NULL;
return rc;
}
rc=apr_file_info_get(&finfo, APR_FINFO_SIZE, file);
if( shm->mbean->debug > 0 )
env->l->jkLog(env, env->l, JK_LOG_DEBUG,
"shm.create(): file open %s %d %d\n", shm->fname, shm->size, finfo.size );
if( finfo.size < shm->size ) {
char bytes[1024];
apr_size_t toWrite = (apr_size_t)(shm->size-finfo.size);
apr_off_t off=0;
memset( bytes, 0, 1024 );
apr_file_seek( file, APR_END, &off);
while( toWrite > 0 ) {
apr_size_t written;
rc=apr_file_write_full(file, bytes, 1024, &written);
if( rc!=APR_SUCCESS ) {
env->l->jkLog(env, env->l, JK_LOG_ERROR,
"shm.create(): Can't write %s %d %s\n",
shm->fname, errno, strerror( errno ));
return JK_ERR;
}
if( toWrite < written ){
toWrite=0;
}else{
toWrite-=written;
}
}
rc=apr_file_info_get(&finfo, APR_FINFO_SIZE, file);
}
/* Now mmap it
*/
rc=apr_mmap_create( &aprMmap, file, (apr_off_t)0,
(apr_size_t)finfo.size, APR_MMAP_READ | APR_MMAP_WRITE,
globalShmPool );
if( rc!=JK_OK ) {
char error[256];
apr_strerror( rc, error, 256 );
env->l->jkLog(env, env->l, JK_LOG_ERROR,
"shm.create(): error creating %s %d %d %#lx %s\n",
shm->fname, finfo.size, rc, globalShmPool, error );
shm->privateData=NULL;
return rc;
}
shm->privateData=aprMmap;
apr_mmap_offset(& shm->image, aprMmap, (apr_off_t)0);
apr_pool_userdata_set( shm->image, "mod_jk_shm", NULL, globalShmPool );
shm->head = (jk_shm_head_t *)shm->image;
if( shm->image==NULL ) {
env->l->jkLog(env, env->l, JK_LOG_ERROR,
"shm.create(): No base memory %s\n", shm->fname);
return JK_ERR;
}
return JK_OK;
}