Use the srzip output module instead of session save API.
authorBert Vermeulen <bert@biot.com>
Tue, 11 Nov 2014 23:03:16 +0000 (00:03 +0100)
committerBert Vermeulen <bert@biot.com>
Tue, 11 Nov 2014 23:03:16 +0000 (00:03 +0100)
session.c

index dad592b381a1955caef9be0e9c81110c8cc226ed..fb9ebb6d4def3d4a384b8847f60b9bcf510408f9 100644 (file)
--- a/session.c
+++ b/session.c
@@ -23,9 +23,9 @@
 #include <string.h>
 #include <stdlib.h>
 
-static int default_output_format = FALSE;
 static uint64_t limit_samples = 0;
 static uint64_t limit_frames = 0;
+static char *srzip_and_filename = NULL;
 
 #ifdef HAVE_SRD
 extern struct srd_session *srd_sess;
@@ -80,21 +80,18 @@ const struct sr_output *setup_output_format(const struct sr_dev_inst *sdi)
        const struct sr_option **options;
        const struct sr_output *o;
        GHashTable *fmtargs, *fmtopts;
+       int size;
        char *fmtspec;
 
-       if (opt_output_format && !strcmp(opt_output_format, "sigrok")) {
-               /* Doesn't really exist as an output module - this is
-                * the session save mode. */
-               g_free(opt_output_format);
-               opt_output_format = NULL;
-       }
-
        if (!opt_output_format) {
-               opt_output_format = DEFAULT_OUTPUT_FORMAT;
-               /* we'll need to remember this so when saving to a file
-                * later, sigrok session format will be used.
-                */
-               default_output_format = TRUE;
+               if (opt_output_file) {
+                       size = strlen(opt_output_file) + 32;
+                       srzip_and_filename = g_malloc(size);
+                       snprintf(srzip_and_filename, size, "srzip:filename=%s", opt_output_file);
+                       opt_output_format = srzip_and_filename;
+               } else {
+                       opt_output_format = DEFAULT_OUTPUT_FORMAT;
+               }
        }
 
        fmtargs = parse_generic_arg(opt_output_format, TRUE);
@@ -125,7 +122,6 @@ void datafeed_in(const struct sr_dev_inst *sdi,
        const struct sr_datafeed_analog *analog;
        struct sr_session *session;
        struct sr_config *src;
-       struct sr_channel *ch;
        static const struct sr_output *o = NULL;
        static const struct sr_output *oa = NULL;
        static uint64_t rcvd_samples_logic = 0;
@@ -133,17 +129,14 @@ void datafeed_in(const struct sr_dev_inst *sdi,
        static uint64_t samplerate = 0;
        static int triggered = 0;
        static FILE *outfile = NULL;
-       GSList *l, *channels_sdi;
+       GSList *l;
        GString *out;
        GVariant *gvar;
        uint64_t end_sample;
        uint64_t input_len;
-       int i;
-       char **channels;
        struct sr_dev_driver *driver;
 
        driver = sr_dev_inst_driver_get(sdi);
-       channels_sdi = sr_dev_inst_channels_get(sdi);
 
        /* If the first packet to come in isn't a header, don't even try. */
        if (packet->type != SR_DF_HEADER && o == NULL)
@@ -159,17 +152,11 @@ void datafeed_in(const struct sr_dev_inst *sdi,
                /* Set up backup analog output module. */
                oa = sr_output_new(sr_output_find("analog"), NULL, sdi);
 
-               /* Prepare non-stdout output. */
-               outfile = stdout;
-               if (opt_output_file) {
-                       if (default_output_format) {
-                               outfile = NULL;
-                       } else {
-                               /* saving to a file in whatever format was set
-                                * with --format, so all we need is a filehandle */
-                               outfile = g_fopen(opt_output_file, "wb");
-                       }
-               }
+               if (opt_output_file)
+                       outfile = g_fopen(opt_output_file, "wb");
+               else
+                       outfile = stdout;
+
                rcvd_samples_logic = rcvd_samples_analog = 0;
 
                if (sr_config_get(driver, sdi, NULL, SR_CONF_SAMPLERATE,
@@ -249,30 +236,12 @@ void datafeed_in(const struct sr_dev_inst *sdi,
                        end_sample = limit_samples;
                input_len = (end_sample - rcvd_samples_logic) * logic->unitsize;
 
-               if (opt_output_file && default_output_format) {
-                       /* Saving to a session file. */
-                       if (rcvd_samples_logic == 0) {
-                               /* First packet with logic data, init session file. */
-                               channels = g_malloc(sizeof(char *) * g_slist_length(channels_sdi));
-                               for (i = 0, l = channels_sdi; l; l = l->next) {
-                                       ch = l->data;
-                                       if (ch->type == SR_CHANNEL_LOGIC)
-                                               channels[i++] = ch->name;
-                               }
-                               channels[i] = NULL;
-                               sr_session_save_init(session, opt_output_file,
-                                               samplerate, channels);
-                               g_free(channels);
-                       }
-                       save_chunk_logic(session, logic->data, input_len, logic->unitsize);
-               } else {
-                       if (opt_pds) {
+               if (opt_pds) {
 #ifdef HAVE_SRD
-                               if (srd_session_send(srd_sess, rcvd_samples_logic, end_sample,
-                                               logic->data, input_len) != SRD_OK)
-                                       sr_session_stop(session);
+                       if (srd_session_send(srd_sess, rcvd_samples_logic, end_sample,
+                                       logic->data, input_len) != SRD_OK)
+                               sr_session_stop(session);
 #endif
-                       }
                }
 
                rcvd_samples_logic = end_sample;
@@ -304,7 +273,8 @@ void datafeed_in(const struct sr_dev_inst *sdi,
 
        if (o && outfile && !opt_pds) {
                if (sr_output_send(o, packet, &out) == SR_OK) {
-                       if (!out || (out->len == 0 && default_output_format
+                       if (!out || (out->len == 0
+                                       && !opt_output_format
                                        && packet->type == SR_DF_ANALOG)) {
                                /* The user didn't specify an output module,
                                 * but needs to see this analog data. */
@@ -324,8 +294,11 @@ void datafeed_in(const struct sr_dev_inst *sdi,
        if (packet->type == SR_DF_END) {
                g_debug("cli: Received SR_DF_END.");
 
-               if (o)
+               if (o) {
                        sr_output_free(o);
+                       if (srzip_and_filename)
+                               g_free(srzip_and_filename);
+               }
                o = NULL;
 
                sr_output_free(oa);
@@ -334,10 +307,6 @@ void datafeed_in(const struct sr_dev_inst *sdi,
                if (outfile && outfile != stdout)
                        fclose(outfile);
 
-               if (opt_output_file && default_output_format)
-                       /* Flush whatever is left out to the session file. */
-                       save_chunk_logic(session, NULL, 0, 0);
-
                if (limit_samples) {
                        if (rcvd_samples_logic > 0 && rcvd_samples_logic < limit_samples)
                                g_warning("Device only sent %" PRIu64 " samples.",
@@ -640,39 +609,3 @@ void run_session(void)
 
 }
 
-void save_chunk_logic(struct sr_session *session, uint8_t *data,
-               uint64_t data_len, int unitsize)
-{
-       static uint8_t *buf = NULL;
-       static int buf_len = 0;
-       static int last_unitsize = 0;
-       int max;
-
-       if (!buf)
-               buf = g_malloc(SAVE_CHUNK_SIZE);
-
-       while (data_len > SAVE_CHUNK_SIZE) {
-               save_chunk_logic(session, data, SAVE_CHUNK_SIZE, unitsize);
-               data += SAVE_CHUNK_SIZE;
-               data_len -= SAVE_CHUNK_SIZE;
-       }
-
-       if (buf_len + data_len > SAVE_CHUNK_SIZE) {
-               max = (SAVE_CHUNK_SIZE - buf_len) / unitsize * unitsize;
-               memcpy(buf + buf_len, data, max);
-               sr_session_append(session, opt_output_file, buf, unitsize,
-                               (buf_len + max) / unitsize);
-               memcpy(buf, data + max, data_len - max);
-               buf_len = data_len - max;
-       } else if (data_len == 0 && last_unitsize != 0) {
-               /* End of data, flush the buffer out. */
-               sr_session_append(session, opt_output_file, buf, last_unitsize,
-                               buf_len / last_unitsize);
-       } else {
-               /* Buffer chunk. */
-               memcpy(buf + buf_len, data, data_len);
-               buf_len += data_len;
-       }
-       last_unitsize = unitsize;
-
-}