diff options
Diffstat (limited to 'tests/basic/gfapi/upcall-cache-invalidate.c')
| -rw-r--r-- | tests/basic/gfapi/upcall-cache-invalidate.c | 209 |
1 files changed, 209 insertions, 0 deletions
diff --git a/tests/basic/gfapi/upcall-cache-invalidate.c b/tests/basic/gfapi/upcall-cache-invalidate.c new file mode 100644 index 00000000000..078286a8956 --- /dev/null +++ b/tests/basic/gfapi/upcall-cache-invalidate.c @@ -0,0 +1,209 @@ +#include <fcntl.h> +#include <unistd.h> +#include <time.h> +#include <limits.h> +#include <string.h> +#include <stdio.h> +#include <stdlib.h> +#include <errno.h> +#include <glusterfs/api/glfs.h> +#include <glusterfs/api/glfs-handles.h> + +#define LOG_ERR(func, ret) \ + do { \ + if (ret != 0) { \ + fprintf(stderr, "%s : returned error %d (%s)\n", func, ret, \ + strerror(errno)); \ + goto out; \ + } else { \ + fprintf(stderr, "%s : returned %d\n", func, ret); \ + } \ + } while (0) + +int +main(int argc, char *argv[]) +{ + glfs_t *fs = NULL; + glfs_t *fs2 = NULL; + glfs_t *fs_tmp = NULL; + glfs_t *fs_tmp2 = NULL; + int ret = 0, i; + glfs_fd_t *fd = NULL; + glfs_fd_t *fd2 = NULL; + glfs_fd_t *fd_tmp = NULL; + glfs_fd_t *fd_tmp2 = NULL; + char readbuf[32]; + char *filename = "file_tmp"; + char *writebuf = NULL; + char *vol_id = NULL; + unsigned int cnt = 1; + struct glfs_upcall *cbk = NULL; + char *logfile = NULL; + char *volname = NULL; + char *hostname = NULL; + + if (argc != 4) { + fprintf(stderr, "Invalid argument\n"); + exit(1); + } + + hostname = argv[1]; + volname = argv[2]; + logfile = argv[3]; + + fs = glfs_new(volname); + if (!fs) { + fprintf(stderr, "glfs_new: returned NULL\n"); + return -1; + } + + ret = glfs_set_volfile_server(fs, "tcp", hostname, 24007); + LOG_ERR("glfs_set_volfile_server", ret); + + ret = glfs_set_logging(fs, logfile, 7); + LOG_ERR("glfs_set_logging", ret); + + ret = glfs_init(fs); + LOG_ERR("glfs_init", ret); + + /* This does not block, but enables caching of events. Real + * applications like NFS-Ganesha run this in a thread before activity + * on the fs (through this instance) happens. */ + ret = glfs_h_poll_upcall(fs_tmp, &cbk); + LOG_ERR("glfs_h_poll_upcall", ret); + + fs2 = glfs_new(volname); + if (!fs2) { + fprintf(stderr, "glfs_new fs2: returned NULL\n"); + return 1; + } + + ret = glfs_set_volfile_server(fs2, "tcp", hostname, 24007); + LOG_ERR("glfs_set_volfile_server-fs2", ret); + + ret = glfs_set_logging(fs2, logfile, 7); + LOG_ERR("glfs_set_logging-fs2", ret); + + ret = glfs_init(fs2); + LOG_ERR("glfs_init-fs2", ret); + + fd = glfs_creat(fs, filename, O_RDWR | O_SYNC, 0644); + if (fd <= 0) { + ret = -1; + LOG_ERR("glfs_creat", ret); + } + fprintf(stderr, "glfs-create fd - %d\n", fd); + + fd2 = glfs_open(fs2, filename, O_SYNC | O_RDWR | O_CREAT); + if (fd2 <= 0) { + ret = -1; + LOG_ERR("glfs_open-fs2", ret); + } + fprintf(stderr, "glfs-open fd2 - %d\n", fd2); + + do { + if (cnt % 2) { + fd_tmp = fd; + fs_tmp = fs; + fd_tmp2 = fd2; + fs_tmp2 = fs2; + } else { + fd_tmp = fd2; + fs_tmp = fs2; + fd_tmp2 = fd; + fs_tmp2 = fs; + } + + /* WRITE on fd_tmp */ + writebuf = malloc(10); + if (writebuf) { + memcpy(writebuf, "abcd", 4); + ret = glfs_write(fd_tmp, writebuf, 4, 0); + if (ret <= 0) { + ret = -1; + LOG_ERR("glfs_write", ret); + } else { + fprintf(stderr, "glfs_write succeeded\n"); + } + free(writebuf); + } else { + fprintf(stderr, "Could not allocate writebuf\n"); + return -1; + } + + /* READ on fd_tmp2 */ + ret = glfs_lseek(fd_tmp2, 0, SEEK_SET); + LOG_ERR("glfs_lseek", ret); + + memset(readbuf, 0, sizeof(readbuf)); + ret = glfs_pread(fd_tmp2, readbuf, 4, 0, 0, NULL); + + if (ret <= 0) { + ret = -1; + LOG_ERR("glfs_pread", ret); + } else { + fprintf(stderr, "glfs_read: %s\n", readbuf); + } + + /* Open() fops seem to be not performed on server side until + * there are I/Os on that fd + */ + if (cnt > 2) { + struct glfs_upcall_inode *in_arg = NULL; + enum glfs_upcall_reason reason = 0; + struct glfs_object *object = NULL; + uint64_t flags = 0; + uint64_t expire = 0; + + ret = glfs_h_poll_upcall(fs_tmp, &cbk); + LOG_ERR("glfs_h_poll_upcall", ret); + + reason = glfs_upcall_get_reason(cbk); + + /* Expect 'GLFS_INODE_INVALIDATE' upcall event. */ + if (reason == GLFS_UPCALL_INODE_INVALIDATE) { + in_arg = glfs_upcall_get_event(cbk); + + object = glfs_upcall_inode_get_object(in_arg); + flags = glfs_upcall_inode_get_flags(in_arg); + expire = glfs_upcall_inode_get_expire(in_arg); + + fprintf(stderr, + " upcall event type - %d," + " object(%p), flags(%d), " + " expire_time_attr(%d)\n", + reason, object, flags, expire); + } else { + fprintf(stderr, "Didn't receive upcall notify event"); + ret = -1; + goto err; + } + + glfs_free(cbk); + } + + sleep(5); + } while (++cnt < 5); + +err: + glfs_close(fd); + LOG_ERR("glfs_close", ret); + + glfs_close(fd2); + LOG_ERR("glfs_close-fd2", ret); + +out: + if (fs) { + ret = glfs_fini(fs); + fprintf(stderr, "glfs_fini(fs) returned %d \n", ret); + } + + if (fs2) { + ret = glfs_fini(fs2); + fprintf(stderr, "glfs_fini(fs2) returned %d \n", ret); + } + + if (ret) + exit(1); + exit(0); +} |