X-Git-Url: https://sigrok.org/gitweb/?p=sigrok-cli.git;a=blobdiff_plain;f=input.c;h=7d3396fc744503cdad7e348d2eb319a98e584556;hp=1b5d07e6c0ff19a9efa00370e2623035567afcc8;hb=9ed80f1d862aa90d47fde48e0e1e924d1ad5e4a3;hpb=64f9f5b26544e32b469e59ddca68421375426c05 diff --git a/input.c b/input.c index 1b5d07e..7d3396f 100644 --- a/input.c +++ b/input.c @@ -17,8 +17,7 @@ * along with this program. If not, see . */ -#include "sigrok-cli.h" -#include "config.h" +#include #include #include #include @@ -27,10 +26,11 @@ #include #include #include +#include "sigrok-cli.h" -#define BUFSIZE 16384 +#define CHUNK_SIZE (4 * 1024 * 1024) -static void load_input_file_module(void) +static void load_input_file_module(struct df_arg_desc *df_arg) { struct sr_session *session; const struct sr_input *in; @@ -43,6 +43,7 @@ static void load_input_file_module(void) int fd; ssize_t len; char *mod_id; + gboolean is_stdin; if (!sr_input_list()) g_critical("No supported input formats available."); @@ -54,8 +55,9 @@ static void load_input_file_module(void) mod_id = g_hash_table_lookup(mod_args, "sigrok_key"); } + is_stdin = strcmp(opt_input_file, "-") == 0; fd = 0; - buf = g_string_sized_new(BUFSIZE); + buf = g_string_sized_new(CHUNK_SIZE); if (mod_id) { /* User specified an input module to use. */ if (!(imod = sr_input_find(mod_id))) @@ -72,11 +74,11 @@ static void load_input_file_module(void) g_hash_table_destroy(mod_opts); if (mod_args) g_hash_table_destroy(mod_args); - if ((fd = open(opt_input_file, O_RDONLY)) == -1) + if (!is_stdin && (fd = open(opt_input_file, O_RDONLY)) < 0) g_critical("Failed to load %s: %s.", opt_input_file, - strerror(errno)); + g_strerror(errno)); } else { - if (strcmp(opt_input_file, "-")) { + if (!is_stdin) { /* * An actual filename: let the input modules try to * identify the file. @@ -90,32 +92,34 @@ static void load_input_file_module(void) * Taking input from a pipe: let the input modules try * to identify the stream content. */ - if (!strcmp(opt_input_file, "-")) { + if (is_stdin) { /* stdin */ fd = 0; } else { - if ((fd = open(opt_input_file, O_RDONLY)) == -1) + fd = open(opt_input_file, O_RDONLY); + if (fd == -1) g_critical("Failed to load %s: %s.", opt_input_file, - strerror(errno)); + g_strerror(errno)); } - if ((len = read(fd, buf->str, BUFSIZE)) < 1) + if ((len = read(fd, buf->str, CHUNK_SIZE)) < 1) g_critical("Failed to read %s: %s.", opt_input_file, - strerror(errno)); + g_strerror(errno)); buf->len = len; sr_input_scan_buffer(buf, &in); } if (!in) g_critical("Error: no input module found for this file."); } - sr_session_new(&session); - sr_session_datafeed_callback_add(session, &datafeed_in, NULL); + sr_session_new(sr_ctx, &session); + df_arg->session = session; + sr_session_datafeed_callback_add(session, datafeed_in, df_arg); got_sdi = FALSE; - while(TRUE) { + while (TRUE) { g_string_truncate(buf, 0); - len = read(fd, buf->str, BUFSIZE); + len = read(fd, buf->str, CHUNK_SIZE); if (len < 0) - g_critical("Read failed: %s", strerror(errno)); + g_critical("Read failed: %s", g_strerror(errno)); if (len == 0) /* End of file or stream. */ break; @@ -124,7 +128,7 @@ static void load_input_file_module(void) break; sdi = sr_input_dev_inst_get(in); - if(!got_sdi && sdi) { + if (!got_sdi && sdi) { /* First time we got a valid sdi. */ if (select_channels(sdi) != SR_OK) return; @@ -135,41 +139,68 @@ static void load_input_file_module(void) } got_sdi = TRUE; } - } + sr_input_end(in); sr_input_free(in); g_string_free(buf, TRUE); + df_arg->session = NULL; sr_session_destroy(session); } -void load_input_file(void) +void load_input_file(gboolean do_props) { + struct df_arg_desc df_arg; struct sr_session *session; struct sr_dev_inst *sdi; GSList *devices; + GMainLoop *main_loop; int ret; - if (strcmp(opt_input_file, "-") && sr_session_load(opt_input_file, &session) == SR_OK) { - /* sigrok session file */ - ret = sr_session_dev_list(session, &devices); - if (ret != SR_OK || !devices->data) { - g_critical("Failed to access session device."); - sr_session_destroy(session); - return; - } - sdi = devices->data; - if (select_channels(sdi) != SR_OK) { + memset(&df_arg, 0, sizeof(df_arg)); + df_arg.do_props = do_props; + + if (!strcmp(opt_input_file, "-")) { + /* Input from stdin is never a session file. */ + load_input_file_module(&df_arg); + } else { + if ((ret = sr_session_load(sr_ctx, opt_input_file, + &session)) == SR_OK) { + /* sigrok session file */ + ret = sr_session_dev_list(session, &devices); + if (ret != SR_OK || !devices || !devices->data) { + g_critical("Failed to access session device."); + g_slist_free(devices); + sr_session_destroy(session); + return; + } + sdi = devices->data; + g_slist_free(devices); + if (select_channels(sdi) != SR_OK) { + sr_session_destroy(session); + return; + } + main_loop = g_main_loop_new(NULL, FALSE); + + df_arg.session = session; + sr_session_datafeed_callback_add(session, + datafeed_in, &df_arg); + sr_session_stopped_callback_set(session, + (sr_session_stopped_callback)g_main_loop_quit, + main_loop); + if (sr_session_start(session) == SR_OK) + g_main_loop_run(main_loop); + + g_main_loop_unref(main_loop); + df_arg.session = NULL; sr_session_destroy(session); - return; + } else if (ret != SR_ERR) { + /* It's a session file, but it didn't work out somehow. */ + g_critical("Failed to load session file."); + } else { + /* Fall back on input modules. */ + load_input_file_module(&df_arg); } - sr_session_datafeed_callback_add(session, datafeed_in, NULL); - sr_session_start(session); - sr_session_run(session); - sr_session_stop(session); - } else { - /* fall back on input modules */ - load_input_file_module(); } }