Type: refactor
Signed-off-by: Florin Coras <fcoras@cisco.com>
Change-Id: I26e4ad6bfd9e0be7745f6ba948bf51550fd4215e
baseva = a->segment_type == SSVM_SEGMENT_PRIVATE ? ~0ULL : sm->next_baseva;
fs->ssvm.ssvm_size = a->segment_size;
baseva = a->segment_type == SSVM_SEGMENT_PRIVATE ? ~0ULL : sm->next_baseva;
fs->ssvm.ssvm_size = a->segment_size;
- fs->ssvm.i_am_master = 1;
+ fs->ssvm.is_server = 1;
fs->ssvm.my_pid = getpid ();
fs->ssvm.name = format (0, "%s%c", a->segment_name, 0);
fs->ssvm.requested_va = baseva;
fs->ssvm.my_pid = getpid ();
fs->ssvm.name = format (0, "%s%c", a->segment_name, 0);
fs->ssvm.requested_va = baseva;
- if ((rv = ssvm_master_init (&fs->ssvm, a->segment_type)))
+ if ((rv = ssvm_server_init (&fs->ssvm, a->segment_type)))
{
pool_put (sm->segments, fs);
return (rv);
{
pool_put (sm->segments, fs);
return (rv);
else
fs->ssvm.attach_timeout = sm->timeout_in_seconds;
else
fs->ssvm.attach_timeout = sm->timeout_in_seconds;
- if ((rv = ssvm_slave_init (&fs->ssvm, a->segment_type)))
+ if ((rv = ssvm_client_init (&fs->ssvm, a->segment_type)))
{
_vec_len (fs) = vec_len (fs) - 1;
return (rv);
{
_vec_len (fs) = vec_len (fs) - 1;
return (rv);
typedef int (*init_fn) (ssvm_private_t *);
typedef void (*delete_fn) (ssvm_private_t *);
typedef int (*init_fn) (ssvm_private_t *);
typedef void (*delete_fn) (ssvm_private_t *);
-static init_fn master_init_fns[SSVM_N_SEGMENT_TYPES] =
- { ssvm_master_init_shm, ssvm_master_init_memfd, ssvm_master_init_private };
-static init_fn slave_init_fns[SSVM_N_SEGMENT_TYPES] =
- { ssvm_slave_init_shm, ssvm_slave_init_memfd, ssvm_slave_init_private };
+static init_fn server_init_fns[SSVM_N_SEGMENT_TYPES] =
+ { ssvm_server_init_shm, ssvm_server_init_memfd, ssvm_server_init_private };
+static init_fn client_init_fns[SSVM_N_SEGMENT_TYPES] =
+ { ssvm_client_init_shm, ssvm_client_init_memfd, ssvm_client_init_private };
static delete_fn delete_fns[SSVM_N_SEGMENT_TYPES] =
{ ssvm_delete_shm, ssvm_delete_memfd, ssvm_delete_private };
int
static delete_fn delete_fns[SSVM_N_SEGMENT_TYPES] =
{ ssvm_delete_shm, ssvm_delete_memfd, ssvm_delete_private };
int
-ssvm_master_init_shm (ssvm_private_t * ssvm)
+ssvm_server_init_shm (ssvm_private_t * ssvm)
{
int ssvm_fd;
u8 junk = 0, *ssvm_filename;
{
int ssvm_fd;
u8 junk = 0, *ssvm_filename;
close (ssvm_fd);
CLIB_MEM_UNPOISON (sh, sizeof (*sh));
close (ssvm_fd);
CLIB_MEM_UNPOISON (sh, sizeof (*sh));
- sh->master_pid = ssvm->my_pid;
+ sh->server_pid = ssvm->my_pid;
sh->ssvm_size = ssvm->ssvm_size;
sh->ssvm_va = pointer_to_uword (sh);
sh->type = SSVM_SEGMENT_SHM;
sh->heap = clib_mem_create_heap (((u8 *) sh) + page_size,
ssvm->ssvm_size - page_size,
sh->ssvm_size = ssvm->ssvm_size;
sh->ssvm_va = pointer_to_uword (sh);
sh->type = SSVM_SEGMENT_SHM;
sh->heap = clib_mem_create_heap (((u8 *) sh) + page_size,
ssvm->ssvm_size - page_size,
- 1 /* locked */ , "ssvm master shm");
+ 1 /* locked */ , "ssvm server shm");
oldheap = ssvm_push_heap (sh);
sh->name = format (0, "%s", ssvm->name, 0);
oldheap = ssvm_push_heap (sh);
sh->name = format (0, "%s", ssvm->name, 0);
ssvm->sh = sh;
ssvm->my_pid = getpid ();
ssvm->sh = sh;
ssvm->my_pid = getpid ();
/* The application has to set set sh->ready... */
return 0;
}
int
/* The application has to set set sh->ready... */
return 0;
}
int
-ssvm_slave_init_shm (ssvm_private_t * ssvm)
+ssvm_client_init_shm (ssvm_private_t * ssvm)
{
struct stat stat;
int ssvm_fd = -1;
ssvm_shared_header_t *sh;
ASSERT (vec_c_string_is_terminated (ssvm->name));
{
struct stat stat;
int ssvm_fd = -1;
ssvm_shared_header_t *sh;
ASSERT (vec_c_string_is_terminated (ssvm->name));
while (ssvm->attach_timeout-- > 0)
{
while (ssvm->attach_timeout-- > 0)
{
if (stat.st_size > 0)
goto map_it;
}
if (stat.st_size > 0)
goto map_it;
}
- clib_warning ("slave timeout");
- return SSVM_API_ERROR_SLAVE_TIMEOUT;
+ clib_warning ("client timeout");
+ return SSVM_API_ERROR_CLIENT_TIMEOUT;
map_it:
sh = (void *) mmap (0, MMAP_PAGESIZE, PROT_READ | PROT_WRITE, MAP_SHARED,
ssvm_fd, 0);
if (sh == MAP_FAILED)
{
map_it:
sh = (void *) mmap (0, MMAP_PAGESIZE, PROT_READ | PROT_WRITE, MAP_SHARED,
ssvm_fd, 0);
if (sh == MAP_FAILED)
{
- clib_unix_warning ("slave research mmap");
+ clib_unix_warning ("client research mmap");
close (ssvm_fd);
return SSVM_API_ERROR_MMAP;
}
close (ssvm_fd);
return SSVM_API_ERROR_MMAP;
}
}
close (ssvm_fd);
munmap (sh, MMAP_PAGESIZE);
}
close (ssvm_fd);
munmap (sh, MMAP_PAGESIZE);
- clib_warning ("slave timeout 2");
- return SSVM_API_ERROR_SLAVE_TIMEOUT;
+ clib_warning ("client timeout 2");
+ return SSVM_API_ERROR_CLIENT_TIMEOUT;
re_map_it:
ssvm->requested_va = sh->ssvm_va;
re_map_it:
ssvm->requested_va = sh->ssvm_va;
- clib_unix_warning ("slave final mmap");
+ clib_unix_warning ("client final mmap");
close (ssvm_fd);
return SSVM_API_ERROR_MMAP;
}
close (ssvm_fd);
return SSVM_API_ERROR_MMAP;
}
- sh->slave_pid = getpid ();
+ sh->client_pid = getpid ();
vec_free (fn);
vec_free (ssvm->name);
vec_free (fn);
vec_free (ssvm->name);
clib_mem_vm_unmap (ssvm->sh);
else
munmap ((void *) ssvm->sh, ssvm->ssvm_size);
}
/**
clib_mem_vm_unmap (ssvm->sh);
else
munmap ((void *) ssvm->sh, ssvm->ssvm_size);
}
/**
- * Initialize memfd segment master
+ * Initialize memfd segment server
-ssvm_master_init_memfd (ssvm_private_t * memfd)
+ssvm_server_init_memfd (ssvm_private_t * memfd)
{
int log2_page_size, n_pages;
uword page_size;
{
int log2_page_size, n_pages;
uword page_size;
memfd->sh = sh;
memfd->my_pid = getpid ();
memfd->sh = sh;
memfd->my_pid = getpid ();
- memfd->i_am_master = 1;
- sh->master_pid = memfd->my_pid;
+ sh->server_pid = memfd->my_pid;
sh->ssvm_size = memfd->ssvm_size;
sh->ssvm_va = pointer_to_uword (sh);
sh->type = SSVM_SEGMENT_MEMFD;
sh->ssvm_size = memfd->ssvm_size;
sh->ssvm_va = pointer_to_uword (sh);
sh->type = SSVM_SEGMENT_MEMFD;
page_size = 1 << log2_page_size;
sh->heap = clib_mem_create_heap (((u8 *) sh) + page_size,
memfd->ssvm_size - page_size,
page_size = 1 << log2_page_size;
sh->heap = clib_mem_create_heap (((u8 *) sh) + page_size,
memfd->ssvm_size - page_size,
- 1 /* locked */ , "ssvm master memfd");
+ 1 /* locked */ , "ssvm server memfd");
oldheap = ssvm_push_heap (sh);
sh->name = format (0, "%s", memfd->name, 0);
ssvm_pop_heap (oldheap);
oldheap = ssvm_push_heap (sh);
sh->name = format (0, "%s", memfd->name, 0);
ssvm_pop_heap (oldheap);
- * Initialize memfd segment slave
+ * Initialize memfd segment client
- * Subtly different than svm_slave_init. The caller needs to acquire
+ * Subtly different than svm_client_init. The caller needs to acquire
* a usable file descriptor for the memfd segment e.g. via
* vppinfra/socket.c:default_socket_recvmsg
*/
int
* a usable file descriptor for the memfd segment e.g. via
* vppinfra/socket.c:default_socket_recvmsg
*/
int
-ssvm_slave_init_memfd (ssvm_private_t * memfd)
+ssvm_client_init_memfd (ssvm_private_t * memfd)
{
clib_mem_vm_map_t mapa = { 0 };
ssvm_shared_header_t *sh;
uword page_size;
{
clib_mem_vm_map_t mapa = { 0 };
ssvm_shared_header_t *sh;
uword page_size;
- memfd->i_am_master = 0;
page_size = clib_mem_get_fd_page_size (memfd->fd);
if (!page_size)
page_size = clib_mem_get_fd_page_size (memfd->fd);
if (!page_size)
if (clib_mem_vm_ext_map (&mapa))
{
if (clib_mem_vm_ext_map (&mapa))
{
- clib_unix_warning ("slave research mmap (fd %d)", mapa.fd);
+ clib_unix_warning ("client research mmap (fd %d)", mapa.fd);
close (memfd->fd);
return SSVM_API_ERROR_MMAP;
}
close (memfd->fd);
return SSVM_API_ERROR_MMAP;
}
mapa.size = memfd->ssvm_size;
if (clib_mem_vm_ext_map (&mapa))
{
mapa.size = memfd->ssvm_size;
if (clib_mem_vm_ext_map (&mapa))
{
- clib_unix_warning ("slave final mmap");
+ clib_unix_warning ("client final mmap");
close (memfd->fd);
return SSVM_API_ERROR_MMAP;
}
sh = mapa.addr;
close (memfd->fd);
return SSVM_API_ERROR_MMAP;
}
sh = mapa.addr;
- sh->slave_pid = getpid ();
+ sh->client_pid = getpid ();
memfd->sh = sh;
return 0;
}
memfd->sh = sh;
return 0;
}
ssvm_delete_memfd (ssvm_private_t * memfd)
{
vec_free (memfd->name);
ssvm_delete_memfd (ssvm_private_t * memfd)
{
vec_free (memfd->name);
- if (memfd->i_am_master)
clib_mem_vm_unmap (memfd->sh);
else
clib_mem_vm_free (memfd->sh, memfd->ssvm_size);
clib_mem_vm_unmap (memfd->sh);
else
clib_mem_vm_free (memfd->sh, memfd->ssvm_size);
* Initialize segment in a private heap
*/
int
* Initialize segment in a private heap
*/
int
-ssvm_master_init_private (ssvm_private_t * ssvm)
+ssvm_server_init_private (ssvm_private_t * ssvm)
{
uword page_size, log2_page_size, rnd_size = 0;
ssvm_shared_header_t *sh;
{
uword page_size, log2_page_size, rnd_size = 0;
ssvm_shared_header_t *sh;
}
heap = clib_mem_create_heap ((u8 *) sh + page_size, rnd_size,
}
heap = clib_mem_create_heap ((u8 *) sh + page_size, rnd_size,
- 1 /* locked */ , "ssvm master private");
+ 1 /* locked */ , "ssvm server private");
if (heap == 0)
{
clib_unix_warning ("heap alloc");
if (heap == 0)
{
clib_unix_warning ("heap alloc");
rnd_size = clib_mem_get_heap_free_space (heap);
ssvm->ssvm_size = rnd_size;
rnd_size = clib_mem_get_heap_free_space (heap);
ssvm->ssvm_size = rnd_size;
ssvm->my_pid = getpid ();
ssvm->requested_va = ~0;
ssvm->my_pid = getpid ();
ssvm->requested_va = ~0;
-ssvm_slave_init_private (ssvm_private_t * ssvm)
+ssvm_client_init_private (ssvm_private_t * ssvm)
{
clib_warning ("BUG: this should not be called!");
return -1;
{
clib_warning ("BUG: this should not be called!");
return -1;
-ssvm_master_init (ssvm_private_t * ssvm, ssvm_segment_type_t type)
+ssvm_server_init (ssvm_private_t * ssvm, ssvm_segment_type_t type)
- return (master_init_fns[type]) (ssvm);
+ return (server_init_fns[type]) (ssvm);
-ssvm_slave_init (ssvm_private_t * ssvm, ssvm_segment_type_t type)
+ssvm_client_init (ssvm_private_t * ssvm, ssvm_segment_type_t type)
- return (slave_init_fns[type]) (ssvm);
+ return (client_init_fns[type]) (ssvm);
uword ssvm_va;
/* The actual mmap size */
uword ssvm_size;
uword ssvm_va;
/* The actual mmap size */
uword ssvm_size;
- u32 master_pid;
- u32 slave_pid;
+ u32 server_pid;
+ u32 client_pid;
u8 *name;
void *opaque[SSVM_N_OPAQUE];
u8 *name;
void *opaque[SSVM_N_OPAQUE];
- /* Set when the master application thinks it's time to make the donuts */
+ /* Set when server init done */
volatile u32 ready;
ssvm_segment_type_t type;
volatile u32 ready;
ssvm_segment_type_t type;
u32 my_pid;
u8 *name;
u8 numa; /**< UNUSED: numa requested at alloc time */
u32 my_pid;
u8 *name;
u8 numa; /**< UNUSED: numa requested at alloc time */
#define foreach_ssvm_api_error \
_(NO_NAME, "No shared segment name", -100) \
#define foreach_ssvm_api_error \
_(NO_NAME, "No shared segment name", -100) \
-_(NO_SIZE, "Size not set (master)", -101) \
+_(NO_SIZE, "Size not set (server)", -101) \
_(CREATE_FAILURE, "Create failed", -102) \
_(SET_SIZE, "Set size failed", -103) \
_(MMAP, "mmap failed", -104) \
_(CREATE_FAILURE, "Create failed", -102) \
_(SET_SIZE, "Set size failed", -103) \
_(MMAP, "mmap failed", -104) \
-_(SLAVE_TIMEOUT, "Slave map timeout", -105)
+_(CLIENT_TIMEOUT, "Client map timeout", -105)
#define SSVM_API_ERROR_NO_NAME (-10)
#define SSVM_API_ERROR_NO_NAME (-10)
-int ssvm_master_init (ssvm_private_t * ssvm, ssvm_segment_type_t type);
-int ssvm_slave_init (ssvm_private_t * ssvm, ssvm_segment_type_t type);
+int ssvm_server_init (ssvm_private_t * ssvm, ssvm_segment_type_t type);
+int ssvm_client_init (ssvm_private_t * ssvm, ssvm_segment_type_t type);
void ssvm_delete (ssvm_private_t * ssvm);
void ssvm_delete (ssvm_private_t * ssvm);
-int ssvm_master_init_shm (ssvm_private_t * ssvm);
-int ssvm_slave_init_shm (ssvm_private_t * ssvm);
+int ssvm_server_init_shm (ssvm_private_t * ssvm);
+int ssvm_client_init_shm (ssvm_private_t * ssvm);
void ssvm_delete_shm (ssvm_private_t * ssvm);
void ssvm_delete_shm (ssvm_private_t * ssvm);
-int ssvm_master_init_memfd (ssvm_private_t * memfd);
-int ssvm_slave_init_memfd (ssvm_private_t * memfd);
+int ssvm_server_init_memfd (ssvm_private_t * memfd);
+int ssvm_client_init_memfd (ssvm_private_t * memfd);
void ssvm_delete_memfd (ssvm_private_t * memfd);
void ssvm_delete_memfd (ssvm_private_t * memfd);
-int ssvm_master_init_private (ssvm_private_t * ssvm);
-int ssvm_slave_init_private (ssvm_private_t * ssvm);
+int ssvm_server_init_private (ssvm_private_t * ssvm);
+int ssvm_client_init_private (ssvm_private_t * ssvm);
void ssvm_delete_private (ssvm_private_t * ssvm);
ssvm_segment_type_t ssvm_type (const ssvm_private_t * ssvm);
void ssvm_delete_private (ssvm_private_t * ssvm);
ssvm_segment_type_t ssvm_type (const ssvm_private_t * ssvm);
clib_memset (memfd, 0, sizeof (*memfd));
memfd->ssvm_size = mp->requested_size;
memfd->requested_va = 0ULL;
clib_memset (memfd, 0, sizeof (*memfd));
memfd->ssvm_size = mp->requested_size;
memfd->requested_va = 0ULL;
- memfd->i_am_master = 1;
memfd->name = format (0, "%s%c", regp->name, 0);
memfd->name = format (0, "%s%c", regp->name, 0);
- if ((rv = ssvm_master_init_memfd (memfd)))
+ if ((rv = ssvm_server_init_memfd (memfd)))
goto reply;
/* Remember to close this fd when the socket connection goes away */
goto reply;
/* Remember to close this fd when the socket connection goes away */
memfd->fd = my_fd;
/* Note: this closes memfd.fd */
memfd->fd = my_fd;
/* Note: this closes memfd.fd */
- retval = ssvm_slave_init_memfd (memfd);
+ retval = ssvm_client_init_memfd (memfd);
if (retval)
clib_warning ("WARNING: segment map returned %d", retval);
if (retval)
clib_warning ("WARNING: segment map returned %d", retval);
/* clib_mem_vm_map_shared consumes first page before requested_va */
fs->ssvm.requested_va = baseva + page_size;
/* clib_mem_vm_map_shared consumes first page before requested_va */
fs->ssvm.requested_va = baseva + page_size;
- if ((rv = ssvm_master_init (&fs->ssvm, props->segment_type)))
+ if ((rv = ssvm_server_init (&fs->ssvm, props->segment_type)))
{
clib_warning ("svm_master_init ('%v', %u) failed", seg_name,
segment_size);
{
clib_warning ("svm_master_init ('%v', %u) failed", seg_name,
segment_size);
eqs_size = smm->evt_qs_segment_size;
eqs->ssvm_size = eqs_size;
eqs_size = smm->evt_qs_segment_size;
eqs->ssvm_size = eqs_size;
eqs->my_pid = vpp_pid;
eqs->name = format (0, "%s%c", "session: evt-qs-segment", 0);
/* clib_mem_vm_map_shared consumes first page before requested_va */
eqs->requested_va = smm->session_baseva + clib_mem_get_page_size ();
eqs->my_pid = vpp_pid;
eqs->name = format (0, "%s%c", "session: evt-qs-segment", 0);
/* clib_mem_vm_map_shared consumes first page before requested_va */
eqs->requested_va = smm->session_baseva + clib_mem_get_page_size ();
- if (ssvm_master_init (eqs, SSVM_SEGMENT_MEMFD))
+ if (ssvm_server_init (eqs, SSVM_SEGMENT_MEMFD))
{
clib_warning ("failed to initialize queue segment");
return;
{
clib_warning ("failed to initialize queue segment");
return;