X-Git-Url: https://git.kernel.dk/?p=fio.git;a=blobdiff_plain;f=iolog.c;h=b72dcf9791cfa242ceace8b4080a03934e9fa554;hp=0f95c6080ea8d49fde24e868af82369d1dc7be2e;hb=fc220349e45144360917db48010b503a9874930d;hpb=ae48493039f833119126ef979dbe86aee2c05557 diff --git a/iolog.c b/iolog.c index 0f95c608..b72dcf97 100644 --- a/iolog.c +++ b/iolog.c @@ -447,7 +447,7 @@ static bool read_iolog2(struct thread_data *td) dprint(FD_FILE, "iolog: ignoring" " re-add of file %s\n", fname); } else { - fileno = add_file(td, fname, 0, 1); + fileno = add_file(td, fname, td->subjob_number, 1); file_action = FIO_LOG_ADD_FILE; } continue; @@ -566,7 +566,9 @@ static bool read_iolog2(struct thread_data *td) static bool is_socket(const char *path) { struct stat buf; - int r = stat(path, &buf); + int r; + + r = stat(path, &buf); if (r == -1) return false; @@ -575,16 +577,25 @@ static bool is_socket(const char *path) static int open_socket(const char *path) { - int fd = socket(AF_UNIX, SOCK_STREAM, 0); struct sockaddr_un addr; + int ret, fd; + + fd = socket(AF_UNIX, SOCK_STREAM, 0); if (fd < 0) return fd; + addr.sun_family = AF_UNIX; - strncpy(addr.sun_path, path, sizeof(addr.sun_path)); - if (connect(fd, (const struct sockaddr *)&addr, strlen(path) + sizeof(addr.sun_family)) == 0) + if (snprintf(addr.sun_path, sizeof(addr.sun_path), "%s", path) >= + sizeof(addr.sun_path)) { + log_err("%s: path name %s is too long for a Unix socket\n", + __func__, path); + } + + ret = connect(fd, (const struct sockaddr *)&addr, strlen(path) + sizeof(addr.sun_family)); + if (!ret) return fd; - else - close(fd); + + close(fd); return -1; } @@ -593,16 +604,23 @@ static int open_socket(const char *path) */ static bool init_iolog_read(struct thread_data *td) { - char buffer[256], *p; + char buffer[256], *p, *fname; FILE *f = NULL; - bool ret; - if (is_socket(td->o.read_iolog_file)) { - int fd = open_socket(td->o.read_iolog_file); - if (fd >= 0) { + + fname = get_name_by_idx(td->o.read_iolog_file, td->subjob_number); + dprint(FD_IO, "iolog: name=%s\n", fname); + + if (is_socket(fname)) { + int fd; + + fd = open_socket(fname); + if (fd >= 0) f = fdopen(fd, "r"); - } } else - f = fopen(td->o.read_iolog_file, "r"); + f = fopen(fname, "r"); + + free(fname); + if (!f) { perror("fopen read iolog"); return false; @@ -615,21 +633,20 @@ static bool init_iolog_read(struct thread_data *td) fclose(f); return false; } - td->io_log_rfile = f; + /* * version 2 of the iolog stores a specific string as the * first line, check for that */ if (!strncmp(iolog_ver2, buffer, strlen(iolog_ver2))) { free_release_files(td); - ret = read_iolog2(td); - } - else { - log_err("fio: iolog version 1 is no longer supported\n"); - ret = false; + td->io_log_rfile = f; + return read_iolog2(td); } - return ret; + log_err("fio: iolog version 1 is no longer supported\n"); + fclose(f); + return false; } /*