diff options
Diffstat (limited to 'src/main.c')
-rw-r--r-- | src/main.c | 832 |
1 files changed, 416 insertions, 416 deletions
@@ -22,28 +22,28 @@ /* XXX: need to investigate max buf size for sftp_read/sftp_write */ struct sscp { - char *host; /* remote host (and username) */ - struct ssh_opts *opts; /* ssh parameters */ - sftp_session ctrl; /* control sftp session */ + char *host; /* remote host (and username) */ + struct ssh_opts *opts; /* ssh parameters */ + sftp_session ctrl; /* control sftp session */ - struct list_head file_list; - struct list_head chunk_list; /* stack of chunks */ - lock chunk_lock; /* lock for chunk list */ + struct list_head file_list; + struct list_head chunk_list; /* stack of chunks */ + lock chunk_lock; /* lock for chunk list */ - char *target; + char *target; - int sftp_buf_sz, io_buf_sz; + int sftp_buf_sz, io_buf_sz; - struct timeval start; /* timestamp of starting copy */ + struct timeval start; /* timestamp of starting copy */ }; struct sscp_thread { - struct sscp *sscp; - sftp_session sftp; + struct sscp *sscp; + sftp_session sftp; - pthread_t tid; - size_t done; /* copied bytes */ - bool finished; + pthread_t tid; + size_t done; /* copied bytes */ + bool finished; }; void *sscp_copy_thread(void *arg); @@ -55,175 +55,175 @@ int nr_threads; void stop_copy_threads(int sig) { - int n; + int n; - pr("stopping...\n"); - for (n = 0; n < nr_threads; n++) { - pthread_cancel(threads[n].tid); - } + pr("stopping...\n"); + for (n = 0; n < nr_threads; n++) { + pthread_cancel(threads[n].tid); + } } void usage(bool print_help) { - printf("sscp: super scp, copy files over multiple ssh connections\n" - "\n" - "Usage: sscp [CvqDdh] [-n nr_conns] [-s min_chunk_sz] [-S max_chunk_sz]\n" - " [-b sftp_buf_sz] [-B io_buf_sz]\n" - " [-l login_name] [-p port] [-i identity_file]\n" - " [-c cipher_spec] source ... target\n" - "\n"); - - if (!print_help) - return; - - printf(" -n NR_CONNECTIONS number of connections (default: half of # of cpu cores)\n" - " -s MIN_CHUNK_SIZE min chunk size (default: 64MB)\n" - " -S MAX_CHUNK_SIZE max chunk size (default: filesize / nr_conn)\n" - " -b SFTP_BUF_SIZE buf size for sftp_read/write (default 131072B)\n" - " -B IO_BUF_SIZE buf size for read/write (default 131072B)\n" - " Note that this value is derived from\n" - " qemu/block/ssh.c. need investigation...\n" - " -v increment verbose output level\n" - " -q disable output\n" - " -D dry run\n" - "\n" - " -l LOGIN_NAME login name\n" - " -p PORT port number\n" - " -i IDENTITY identity file for publickey authentication\n" - " -c CIPHER cipher spec, see `ssh -Q cipher`\n" - " -C enable compression on libssh\n" - " -d increment ssh debug output level\n" - " -h print this help\n" - "\n"); + printf("sscp: super scp, copy files over multiple ssh connections\n" + "\n" + "Usage: sscp [CvqDdh] [-n nr_conns] [-s min_chunk_sz] [-S max_chunk_sz]\n" + " [-b sftp_buf_sz] [-B io_buf_sz]\n" + " [-l login_name] [-p port] [-i identity_file]\n" + " [-c cipher_spec] source ... target\n" + "\n"); + + if (!print_help) + return; + + printf(" -n NR_CONNECTIONS number of connections (default: half of # of cpu cores)\n" + " -s MIN_CHUNK_SIZE min chunk size (default: 64MB)\n" + " -S MAX_CHUNK_SIZE max chunk size (default: filesize / nr_conn)\n" + " -b SFTP_BUF_SIZE buf size for sftp_read/write (default 131072B)\n" + " -B IO_BUF_SIZE buf size for read/write (default 131072B)\n" + " Note that this value is derived from\n" + " qemu/block/ssh.c. need investigation...\n" + " -v increment verbose output level\n" + " -q disable output\n" + " -D dry run\n" + "\n" + " -l LOGIN_NAME login name\n" + " -p PORT port number\n" + " -i IDENTITY identity file for publickey authentication\n" + " -c CIPHER cipher spec, see `ssh -Q cipher`\n" + " -C enable compression on libssh\n" + " -d increment ssh debug output level\n" + " -h print this help\n" + "\n"); } char *find_hostname(int ind, int argc, char **argv) { - char *h, *hostnames[argc]; - int n, cnt = 0; - - for (n = ind; n < argc; n++) { - h = file_find_hostname(argv[n]); - if (h) - hostnames[cnt++] = h; - } - - if (cnt == 0) - return NULL; - - /* check all hostnames are identical */ - for (n = 1; n < cnt; n++) { - int s1 = strlen(hostnames[n - 1]); - int s2 = strlen(hostnames[n]); - if (s1 != s2) { - pr_err("different hostnames: %s and %s\n", - hostnames[n - 1], hostnames[n]); - goto err_out; - } - if (strncmp(hostnames[n - 1], hostnames[n], s1) != 0) { - pr_err("different hostnames: %s and %s\n", - hostnames[n - 1], hostnames[n]); - goto err_out; - } - } - - for (n = 1; n < cnt; n++) { - free(hostnames[n]); - } - - return hostnames[0]; + char *h, *hostnames[argc]; + int n, cnt = 0; + + for (n = ind; n < argc; n++) { + h = file_find_hostname(argv[n]); + if (h) + hostnames[cnt++] = h; + } + + if (cnt == 0) + return NULL; + + /* check all hostnames are identical */ + for (n = 1; n < cnt; n++) { + int s1 = strlen(hostnames[n - 1]); + int s2 = strlen(hostnames[n]); + if (s1 != s2) { + pr_err("different hostnames: %s and %s\n", + hostnames[n - 1], hostnames[n]); + goto err_out; + } + if (strncmp(hostnames[n - 1], hostnames[n], s1) != 0) { + pr_err("different hostnames: %s and %s\n", + hostnames[n - 1], hostnames[n]); + goto err_out; + } + } + + for (n = 1; n < cnt; n++) { + free(hostnames[n]); + } + + return hostnames[0]; err_out: - for (n = 0; n < cnt; n++) { - free(hostnames[n]); - } - return NULL; + for (n = 0; n < cnt; n++) { + free(hostnames[n]); + } + return NULL; } int main(int argc, char **argv) { - struct sscp sscp; + struct sscp sscp; struct ssh_opts opts; - int min_chunk_sz = DEFAULT_MIN_CHUNK_SZ; - int max_chunk_sz = 0; - int verbose = 1; - bool dryrun = false; - int ret = 0, n; - char ch; - - memset(&opts, 0, sizeof(opts)); - memset(&sscp, 0, sizeof(sscp)); - INIT_LIST_HEAD(&sscp.file_list); - INIT_LIST_HEAD(&sscp.chunk_list); - lock_init(&sscp.chunk_lock); - sscp.sftp_buf_sz = DEFAULT_SFTP_BUF_SZ; - sscp.io_buf_sz = DEFAULT_IO_BUF_SZ; - - nr_threads = (int)(nr_cpus() / 2); - nr_threads = nr_threads == 0 ? 1 : nr_threads; + int min_chunk_sz = DEFAULT_MIN_CHUNK_SZ; + int max_chunk_sz = 0; + int verbose = 1; + bool dryrun = false; + int ret = 0, n; + char ch; + + memset(&opts, 0, sizeof(opts)); + memset(&sscp, 0, sizeof(sscp)); + INIT_LIST_HEAD(&sscp.file_list); + INIT_LIST_HEAD(&sscp.chunk_list); + lock_init(&sscp.chunk_lock); + sscp.sftp_buf_sz = DEFAULT_SFTP_BUF_SZ; + sscp.io_buf_sz = DEFAULT_IO_BUF_SZ; + + nr_threads = (int)(nr_cpus() / 2); + nr_threads = nr_threads == 0 ? 1 : nr_threads; while ((ch = getopt(argc, argv, "n:s:S:b:B:vqDl:p:i:c:Cdh")) != -1) { switch (ch) { - case 'n': - nr_threads = atoi(optarg); - if (nr_threads < 1) { - pr_err("invalid number of connections: %s\n", optarg); - return 1; - } - break; - case 's': - min_chunk_sz = atoi(optarg); - if (min_chunk_sz < getpagesize()) { - pr_err("min chunk size must be " - "larger than or equal to %d: %s\n", - getpagesize(), optarg); - return 1; - } - if (min_chunk_sz % getpagesize() != 0) { - pr_err("min chunk size must be " - "multiple of page size %d: %s\n", - getpagesize(), optarg); - return -1; - } - break; - case 'S': - max_chunk_sz = atoi(optarg); - if (max_chunk_sz < getpagesize()) { - pr_err("max chunk size must be " - "larger than or equal to %d: %s\n", - getpagesize(), optarg); - return 1; - } - if (max_chunk_sz % getpagesize() != 0) { - pr_err("max chunk size must be " - "multiple of page size %d: %s\n", - getpagesize(), optarg); - return -1; - } - break; - case 'b': - sscp.sftp_buf_sz = atoi(optarg); - if (sscp.sftp_buf_sz < 1) { - pr_err("invalid buffer size: %s\n", optarg); - return -1; - } - break; - case 'B': - sscp.io_buf_sz = atoi(optarg); - if (sscp.io_buf_sz < 1) { - pr_err("invalid buffer size: %s\n", optarg); - return -1; - } - break; - case 'v': - verbose++; - break; - case 'q': - verbose = -1; - break; - case 'D': - dryrun = true; - break; + case 'n': + nr_threads = atoi(optarg); + if (nr_threads < 1) { + pr_err("invalid number of connections: %s\n", optarg); + return 1; + } + break; + case 's': + min_chunk_sz = atoi(optarg); + if (min_chunk_sz < getpagesize()) { + pr_err("min chunk size must be " + "larger than or equal to %d: %s\n", + getpagesize(), optarg); + return 1; + } + if (min_chunk_sz % getpagesize() != 0) { + pr_err("min chunk size must be " + "multiple of page size %d: %s\n", + getpagesize(), optarg); + return -1; + } + break; + case 'S': + max_chunk_sz = atoi(optarg); + if (max_chunk_sz < getpagesize()) { + pr_err("max chunk size must be " + "larger than or equal to %d: %s\n", + getpagesize(), optarg); + return 1; + } + if (max_chunk_sz % getpagesize() != 0) { + pr_err("max chunk size must be " + "multiple of page size %d: %s\n", + getpagesize(), optarg); + return -1; + } + break; + case 'b': + sscp.sftp_buf_sz = atoi(optarg); + if (sscp.sftp_buf_sz < 1) { + pr_err("invalid buffer size: %s\n", optarg); + return -1; + } + break; + case 'B': + sscp.io_buf_sz = atoi(optarg); + if (sscp.io_buf_sz < 1) { + pr_err("invalid buffer size: %s\n", optarg); + return -1; + } + break; + case 'v': + verbose++; + break; + case 'q': + verbose = -1; + break; + case 'D': + dryrun = true; + break; case 'l': opts.login_name = optarg; break; @@ -242,322 +242,322 @@ int main(int argc, char **argv) case 'd': opts.debuglevel++; break; - case 'h': - usage(true); - return 1; - default: - usage(false); - return 1; + case 'h': + usage(true); + return 1; + default: + usage(false); + return 1; } - } - - pprint_set_level(verbose); - - if (max_chunk_sz > 0 && min_chunk_sz > max_chunk_sz) { - pr_err("smaller max chunk size than min chunk size: %d < %d\n", - max_chunk_sz, min_chunk_sz); - return 1; - } - - if (argc - optind < 2) { - /* sscp needs at lease 2 (src and target) argument */ - usage(false); - return 1; - } - - sscp.target = argv[argc - 1]; - - /* create control session */ - sscp.host = find_hostname(optind, argc, argv); - if (!sscp.host) { - pr_err("no remote host given\n"); - return 1; - } - pprint3("connecting to %s for checking destinations...\n", sscp.host); - sscp.ctrl = ssh_make_sftp_session(sscp.host, &opts); - if (!sscp.ctrl) - return 1; - sscp.opts = &opts; /* save ssh-able ssh_opts */ - - - /* fill file list */ - ret = file_fill(sscp.ctrl, &sscp.file_list, &argv[optind], argc - optind - 1, - sscp.target); - if (ret < 0) - goto out; + } + + pprint_set_level(verbose); + + if (max_chunk_sz > 0 && min_chunk_sz > max_chunk_sz) { + pr_err("smaller max chunk size than min chunk size: %d < %d\n", + max_chunk_sz, min_chunk_sz); + return 1; + } + + if (argc - optind < 2) { + /* sscp needs at lease 2 (src and target) argument */ + usage(false); + return 1; + } + + sscp.target = argv[argc - 1]; + + /* create control session */ + sscp.host = find_hostname(optind, argc, argv); + if (!sscp.host) { + pr_err("no remote host given\n"); + return 1; + } + pprint3("connecting to %s for checking destinations...\n", sscp.host); + sscp.ctrl = ssh_make_sftp_session(sscp.host, &opts); + if (!sscp.ctrl) + return 1; + sscp.opts = &opts; /* save ssh-able ssh_opts */ + + + /* fill file list */ + ret = file_fill(sscp.ctrl, &sscp.file_list, &argv[optind], argc - optind - 1, + sscp.target); + if (ret < 0) + goto out; #ifdef DEBUG - file_dump(&sscp.file_list); + file_dump(&sscp.file_list); #endif - /* fill chunk list */ - ret = chunk_fill(&sscp.file_list, &sscp.chunk_list, - nr_threads, min_chunk_sz, max_chunk_sz); - if (ret < 0) - goto out; + /* fill chunk list */ + ret = chunk_fill(&sscp.file_list, &sscp.chunk_list, + nr_threads, min_chunk_sz, max_chunk_sz); + if (ret < 0) + goto out; #ifdef DEBUG - chunk_dump(&sscp.chunk_list); + chunk_dump(&sscp.chunk_list); #endif - if (dryrun) - return 0; - - /* register SIGINT to stop thrads */ - if (signal(SIGINT, stop_copy_threads) == SIG_ERR) { - pr_err("cannot set signal: %s\n", strerrno()); - ret = 1; - goto out; - } - - /* prepare thread instances */ - threads = calloc(nr_threads, sizeof(struct sscp_thread)); - memset(threads, 0, nr_threads * sizeof(struct sscp_thread)); - for (n = 0; n < nr_threads; n++) { - struct sscp_thread *t = &threads[n]; - t->sscp = &sscp; - t->finished = false; - pprint3("connecting to %s for a copy thread...\n", sscp.host); - t->sftp = ssh_make_sftp_session(sscp.host, sscp.opts); - if (!t->sftp) - goto join_out; - } - - /* spawn count thread */ - ret = pthread_create(&mtid, NULL, sscp_monitor_thread, &sscp); - if (ret < 0) { - pr_err("pthread_create error: %d\n", ret); - stop_copy_threads(0); - goto join_out; - } - - /* save start time */ - gettimeofday(&sscp.start, NULL); - - /* spawn threads */ - for (n = 0; n < nr_threads; n++) { - struct sscp_thread *t = &threads[n]; - ret = pthread_create(&t->tid, NULL, sscp_copy_thread, t); - if (ret < 0) { - pr_err("pthread_create error: %d\n", ret); - stop_copy_threads(0); - goto join_out; - } - } + if (dryrun) + return 0; + + /* register SIGINT to stop thrads */ + if (signal(SIGINT, stop_copy_threads) == SIG_ERR) { + pr_err("cannot set signal: %s\n", strerrno()); + ret = 1; + goto out; + } + + /* prepare thread instances */ + threads = calloc(nr_threads, sizeof(struct sscp_thread)); + memset(threads, 0, nr_threads * sizeof(struct sscp_thread)); + for (n = 0; n < nr_threads; n++) { + struct sscp_thread *t = &threads[n]; + t->sscp = &sscp; + t->finished = false; + pprint3("connecting to %s for a copy thread...\n", sscp.host); + t->sftp = ssh_make_sftp_session(sscp.host, sscp.opts); + if (!t->sftp) + goto join_out; + } + + /* spawn count thread */ + ret = pthread_create(&mtid, NULL, sscp_monitor_thread, &sscp); + if (ret < 0) { + pr_err("pthread_create error: %d\n", ret); + stop_copy_threads(0); + goto join_out; + } + + /* save start time */ + gettimeofday(&sscp.start, NULL); + + /* spawn threads */ + for (n = 0; n < nr_threads; n++) { + struct sscp_thread *t = &threads[n]; + ret = pthread_create(&t->tid, NULL, sscp_copy_thread, t); + if (ret < 0) { + pr_err("pthread_create error: %d\n", ret); + stop_copy_threads(0); + goto join_out; + } + } join_out: - /* waiting for threads join... */ - for (n = 0; n < nr_threads; n++) - if (threads[n].tid) - pthread_join(threads[n].tid, NULL); + /* waiting for threads join... */ + for (n = 0; n < nr_threads; n++) + if (threads[n].tid) + pthread_join(threads[n].tid, NULL); - if (mtid != 0) { - pthread_cancel(mtid); - pthread_join(mtid, NULL); - } + if (mtid != 0) { + pthread_cancel(mtid); + pthread_join(mtid, NULL); + } out: - if (sscp.ctrl) - ssh_sftp_close(sscp.ctrl); + if (sscp.ctrl) + ssh_sftp_close(sscp.ctrl); return ret; } void sscp_copy_thread_cleanup(void *arg) { - struct sscp_thread *t = arg; - if (t->sftp) - ssh_sftp_close(t->sftp); - t->finished = true; + struct sscp_thread *t = arg; + if (t->sftp) + ssh_sftp_close(t->sftp); + t->finished = true; } void *sscp_copy_thread(void *arg) { - struct sscp_thread *t = arg; - struct sscp *sscp = t->sscp; - sftp_session sftp = t->sftp; - struct chunk *c; + struct sscp_thread *t = arg; + struct sscp *sscp = t->sscp; + sftp_session sftp = t->sftp; + struct chunk *c; - pthread_setcancelstate(PTHREAD_CANCEL_ENABLE, NULL); - pthread_setcanceltype(PTHREAD_CANCEL_DEFERRED, NULL); - pthread_cleanup_push(sscp_copy_thread_cleanup, t); + pthread_setcancelstate(PTHREAD_CANCEL_ENABLE, NULL); + pthread_setcanceltype(PTHREAD_CANCEL_DEFERRED, NULL); + pthread_cleanup_push(sscp_copy_thread_cleanup, t); - while (1) { - lock_acquire(&sscp->chunk_lock); - c = chunk_acquire(&sscp->chunk_list); - lock_release(&sscp->chunk_lock); + while (1) { + lock_acquire(&sscp->chunk_lock); + c = chunk_acquire(&sscp->chunk_list); + lock_release(&sscp->chunk_lock); - if (!c) - break; /* no more chunks */ + if (!c) + break; /* no more chunks */ - if (chunk_prepare(c, sftp) < 0) - break; + if (chunk_prepare(c, sftp) < 0) + break; - if (chunk_copy(c, sftp, - sscp->sftp_buf_sz, sscp->io_buf_sz, &t->done) < 0) - break; - } + if (chunk_copy(c, sftp, + sscp->sftp_buf_sz, sscp->io_buf_sz, &t->done) < 0) + break; + } - pthread_cleanup_pop(1); + pthread_cleanup_pop(1); - return NULL; + return NULL; } static double calculate_bps(size_t diff, struct timeval *b, struct timeval *a) { - double sec, usec; + double sec, usec; - if (a->tv_usec < b->tv_usec) { - a->tv_usec += 1000000; - a->tv_sec--; - } + if (a->tv_usec < b->tv_usec) { + a->tv_usec += 1000000; + a->tv_sec--; + } - sec = a->tv_sec - b->tv_sec; - usec = a->tv_usec - b->tv_usec; - sec += usec / 1000000; + sec = a->tv_sec - b->tv_sec; + usec = a->tv_usec - b->tv_usec; + sec += usec / 1000000; - return (double)diff / sec; + return (double)diff / sec; } static void print_progress_bar(double percent, char *suffix) { - int n, thresh, bar_width; - struct winsize ws; - char buf[128]; - - /* - * [=======> ] XX.X% SUFFIX - */ - - buf[0] = '\0'; - - if (ioctl(STDOUT_FILENO, TIOCGWINSZ, &ws) < 0) - return; /* XXX */ - bar_width = min(sizeof(buf), ws.ws_col) - strlen(suffix) - 8; - - if (bar_width > 8) { - memset(buf, 0, sizeof(buf)); - thresh = floor(bar_width * (percent / 100)) - 1; - - for (n = 1; n < bar_width - 1; n++) { - if (n <= thresh) - buf[n] = '='; - else - buf[n] = ' '; - } - buf[thresh] = '>'; - buf[0] = '['; - buf[bar_width - 1] = ']'; - snprintf(buf + bar_width, sizeof(buf) - bar_width, - " %3d%% ", (int)floor(percent)); - } - - pprint1("%s%s", buf, suffix); + int n, thresh, bar_width; + struct winsize ws; + char buf[128]; + +/* + * [=======> ] XX.X% SUFFIX + */ + + buf[0] = '\0'; + + if (ioctl(STDOUT_FILENO, TIOCGWINSZ, &ws) < 0) + return; /* XXX */ + bar_width = min(sizeof(buf), ws.ws_col) - strlen(suffix) - 8; + + if (bar_width > 8) { + memset(buf, 0, sizeof(buf)); + thresh = floor(bar_width * (percent / 100)) - 1; + + for (n = 1; n < bar_width - 1; n++) { + if (n <= thresh) + buf[n] = '='; + else + buf[n] = ' '; + } + buf[thresh] = '>'; + buf[0] = '['; + buf[bar_width - 1] = ']'; + snprintf(buf + bar_width, sizeof(buf) - bar_width, + " %3d%% ", (int)floor(percent)); + } + + pprint1("%s%s", buf, suffix); } static void print_progress(struct timeval *start, struct timeval *end, - size_t total, size_t last, size_t done) + size_t total, size_t last, size_t done) { - char *bps_units[] = { "B/s", "KB/s", "MB/s", "GB/s" }; - char *byte_units[] = { "B", "KB", "MB", "GB", "TB", "PB" }; - char suffix[128]; - int bps_u, byte_tu, byte_du; - size_t total_round; - int percent; - double bps; + char *bps_units[] = { "B/s", "KB/s", "MB/s", "GB/s" }; + char *byte_units[] = { "B", "KB", "MB", "GB", "TB", "PB" }; + char suffix[128]; + int bps_u, byte_tu, byte_du; + size_t total_round; + int percent; + double bps; #define array_size(a) (sizeof(a) / sizeof(a[0])) - total_round = total; - for (byte_tu = 0; total_round > 1000 && byte_tu < array_size(byte_units) - 1; - byte_tu++) - total_round /= 1024; + total_round = total; + for (byte_tu = 0; total_round > 1000 && byte_tu < array_size(byte_units) - 1; + byte_tu++) + total_round /= 1024; - bps = calculate_bps(done - last, start, end); - for (bps_u = 0; bps > 1000 && bps_u < array_size(bps_units); bps_u++) - bps /= 1000; + bps = calculate_bps(done - last, start, end); + for (bps_u = 0; bps > 1000 && bps_u < array_size(bps_units); bps_u++) + bps /= 1000; - percent = floor(((double)(done) / (double)total) * 100); - for (byte_du = 0; done > 1000 && byte_du < array_size(byte_units) - 1; byte_du++) - done /= 1024; + percent = floor(((double)(done) / (double)total) * 100); + for (byte_du = 0; done > 1000 && byte_du < array_size(byte_units) - 1; byte_du++) + done /= 1024; - snprintf(suffix, sizeof(suffix), "%lu%s/%lu%s %.2f%s ", - done, byte_units[byte_du], total_round, byte_units[byte_tu], - bps, bps_units[bps_u]); + snprintf(suffix, sizeof(suffix), "%lu%s/%lu%s %.2f%s ", + done, byte_units[byte_du], total_round, byte_units[byte_tu], + bps, bps_units[bps_u]); - print_progress_bar(percent, suffix); + print_progress_bar(percent, suffix); } void sscp_monitor_thread_cleanup(void *arg) { - struct sscp *sscp = arg; - struct timeval end; - struct file *f; - size_t total, done; - int n; + struct sscp *sscp = arg; + struct timeval end; + struct file *f; + size_t total, done; + int n; - total = done = 0; + total = done = 0; - gettimeofday(&end, NULL); + gettimeofday(&end, NULL); - /* get total byte to be transferred */ - list_for_each_entry(f, &sscp->file_list, list) { - total += f->size; - } + /* get total byte to be transferred */ + list_for_each_entry(f, &sscp->file_list, list) { + total += f->size; + } - /* get total byte transferred */ - for (n = 0; n < nr_threads; n++) { - done += threads[n].done; - } + /* get total byte transferred */ + for (n = 0; n < nr_threads; n++) { + done += threads[n].done; + } - print_progress(&sscp->start, &end, total, 0, done); - fputs("\n", stdout); /* the final ouput. we need \n */ + print_progress(&sscp->start, &end, total, 0, done); + fputs("\n", stdout); /* the final ouput. we need \n */ } void *sscp_monitor_thread(void *arg) { - struct sscp *sscp = arg; - struct timeval a, b; - struct file *f; - bool all_done; - size_t total, done, last; - int n; - - pthread_setcancelstate(PTHREAD_CANCEL_ENABLE, NULL); - pthread_setcanceltype(PTHREAD_CANCEL_DEFERRED, NULL); - pthread_cleanup_push(sscp_monitor_thread_cleanup, sscp); - - /* get total byte to be transferred */ - total = 0; - list_for_each_entry(f, &sscp->file_list, list) { - total += f->size; - } - - while (1) { - all_done = true; - last = done = 0; - - for (n = 0; n < nr_threads; n++) { - last += threads[n].done; - } - gettimeofday(&b, NULL); - - usleep(500000); - - for (n = 0; n < nr_threads; n++) { - done += threads[n].done;; - if (!threads[n].finished) - all_done = false; - } - gettimeofday(&a, NULL); - - print_progress(&b, &a, total, last, done); - - if (all_done || total == done) - break; - } - - pthread_cleanup_pop(1); - - return NULL; + struct sscp *sscp = arg; + struct timeval a, b; + struct file *f; + bool all_done; + size_t total, done, last; + int n; + + pthread_setcancelstate(PTHREAD_CANCEL_ENABLE, NULL); + pthread_setcanceltype(PTHREAD_CANCEL_DEFERRED, NULL); + pthread_cleanup_push(sscp_monitor_thread_cleanup, sscp); + + /* get total byte to be transferred */ + total = 0; + list_for_each_entry(f, &sscp->file_list, list) { + total += f->size; + } + + while (1) { + all_done = true; + last = done = 0; + + for (n = 0; n < nr_threads; n++) { + last += threads[n].done; + } + gettimeofday(&b, NULL); + + usleep(500000); + + for (n = 0; n < nr_threads; n++) { + done += threads[n].done;; + if (!threads[n].finished) + all_done = false; + } + gettimeofday(&a, NULL); + + print_progress(&b, &a, total, last, done); + + if (all_done || total == done) + break; + } + + pthread_cleanup_pop(1); + + return NULL; } |