X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=session_driver.c;h=f0b4b0f98529f12a4d857497a05359d08018d71b;hb=300007323ec5963e211b75d2e0d957721dea35fa;hp=b69cf2435015a193024457c7e44bb1d7cdc0b6bf;hpb=b08024a8363c7a019bebc05a25e2689e774326e8;p=libsigrok.git diff --git a/session_driver.c b/session_driver.c index b69cf243..f0b4b0f9 100644 --- a/session_driver.c +++ b/session_driver.c @@ -60,11 +60,12 @@ static struct session_vdevice *get_vdevice_by_index(int device_index) return vdevice; } -static int feed_chunk(int fd, int revents, void *user_data) +static int feed_chunk(int fd, int revents, void *session_data) { struct sr_device_instance *sdi; struct session_vdevice *vdevice; struct sr_datafeed_packet packet; + struct sr_datafeed_logic logic; GSList *l; void *buf; int ret, got_data; @@ -83,15 +84,23 @@ static int feed_chunk(int fd, int revents, void *user_data) /* already done with this instance */ continue; - buf = g_malloc(CHUNKSIZE); + if (!(buf = g_try_malloc(CHUNKSIZE))) { + sr_err("session: %s: buf malloc failed", __func__); + // return SR_ERR_MALLOC; + return FALSE; + } + ret = zip_fread(vdevice->capfile, buf, CHUNKSIZE); if (ret > 0) { got_data = TRUE; packet.type = SR_DF_LOGIC; - packet.length = ret; - packet.unitsize = vdevice->unitsize; - packet.payload = buf; - sr_session_bus(user_data, &packet); + packet.timeoffset = 0; + packet.duration = 0; + packet.payload = &logic; + logic.length = ret; + logic.unitsize = vdevice->unitsize; + logic.data = buf; + sr_session_bus(session_data, &packet); } else { /* done with this capture file */ zip_fclose(vdevice->capfile); @@ -103,8 +112,7 @@ static int feed_chunk(int fd, int revents, void *user_data) if (!got_data) { packet.type = SR_DF_END; - packet.length = 0; - sr_session_bus(user_data, &packet); + sr_session_bus(session_data, &packet); } return TRUE; @@ -139,9 +147,12 @@ static int hw_opendev(int device_index) NULL, NULL, NULL); if (!sdi) return SR_ERR; - sdi->priv = g_malloc0(sizeof(struct session_vdevice)); - if (!sdi->priv) - return SR_ERR; + + if (!(sdi->priv = g_try_malloc0(sizeof(struct session_vdevice)))) { + sr_err("session: %s: sdi->priv malloc failed", __func__); + return SR_ERR_MALLOC; + } + device_instances = g_slist_append(device_instances, sdi); return SR_OK; @@ -250,18 +261,22 @@ static int hw_start_acquisition(int device_index, gpointer session_device_id) /* freewheeling source */ sr_session_source_add(-1, 0, 0, feed_chunk, session_device_id); + if (!(packet = g_try_malloc(sizeof(struct sr_datafeed_packet)))) { + sr_err("session: %s: packet malloc failed", __func__); + return SR_ERR_MALLOC; + } + + if (!(header = g_try_malloc(sizeof(struct sr_datafeed_header)))) { + sr_err("session: %s: header malloc failed", __func__); + return SR_ERR_MALLOC; + } + /* Send header packet to the session bus. */ - packet = g_malloc(sizeof(struct sr_datafeed_packet)); - header = g_malloc(sizeof(struct sr_datafeed_header)); - if (!packet || !header) - return SR_ERR; packet->type = SR_DF_HEADER; - packet->length = sizeof(struct sr_datafeed_header); packet->payload = (unsigned char *)header; header->feed_version = 1; gettimeofday(&header->starttime, NULL); header->samplerate = 0; - header->protocol_id = SR_PROTO_RAW; header->num_logic_probes = vdevice->num_probes; header->num_analog_probes = 0; sr_session_bus(session_device_id, packet); @@ -271,7 +286,6 @@ static int hw_start_acquisition(int device_index, gpointer session_device_id) return SR_OK; } - struct sr_device_plugin session_driver = { "session", "Session-emulating driver",