Return-Path: From: Santiago Carot-Nemesio To: linux-bluetooth@vger.kernel.org Cc: Santiago Carot Nemesio Subject: [PATCH 02/25] Initial work to create and destroy MCAP sessions Date: Mon, 10 May 2010 12:15:04 +0200 Message-Id: <1273486527-7855-2-git-send-email-sancane@gmail.com> In-Reply-To: <1273486527-7855-1-git-send-email-sancane@gmail.com> References: <1273486527-7855-1-git-send-email-sancane@gmail.com> Sender: linux-bluetooth-owner@vger.kernel.org List-ID: From: Santiago Carot Nemesio --- mcap/mcap.c | 135 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++- 1 files changed, 132 insertions(+), 3 deletions(-) diff --git a/mcap/mcap.c b/mcap/mcap.c index df8dd50..1c94452 100644 --- a/mcap/mcap.c +++ b/mcap/mcap.c @@ -34,6 +34,49 @@ #include "mcap_lib.h" #include "mcap_internal.h" +#define MCAP_ERROR g_quark_from_static_string("mcap-error-quark") + +static void mcap_mcl_shutdown(struct mcap_mcl *mcl) +{ + /* TODO: Shutdown MCL */ +} + +static void mcap_mcl_release(struct mcap_mcl *mcl) +{ + /* TODO: Free MCL */ +} + +static void confirm_dc_event_cb(GIOChannel *chan, gpointer user_data) +{ + /* TODO: Check if we can connect this data channel */ +} + +static void confirm_mcl_event_cb(GIOChannel *chan, gpointer user_data) +{ + /* TODO: Check if we can connect this MCL */ +} + +struct mcap_mcl *mcap_mcl_ref(struct mcap_mcl *mcl) +{ + mcl->ref++; + + debug("mcap_mcl_ref(%p): ref=%d", mcl, mcl->ref); + + return mcl; +} + +void mcap_mcl_unref(struct mcap_mcl *mcl) +{ + mcl->ref--; + + debug("mcap_mcl_unref(%p): ref=%d", mcl, mcl->ref); + + if (mcl->ref > 0) + return; + + mcap_mcl_release(mcl); +} + struct mcap_session *mcap_create_session(struct btd_adapter *btd_adapter, BtIOSecLevel sec, uint16_t ccpsm, @@ -45,11 +88,97 @@ struct mcap_session *mcap_create_session(struct btd_adapter *btd_adapter, mcap_mcl_event_cb mcl_uncached, gpointer user_data) { - /* TODO: Create MCAP Session */ - return NULL; + struct mcap_session *ms; + + if (sec < BT_IO_SEC_MEDIUM) { + g_set_error(gerr, MCAP_ERROR, MCAP_ERROR_INVALID_ARGS, + "Security level can't be minor of %d", + BT_IO_SEC_MEDIUM); + return NULL; + } + + if (!(mcl_connected && mcl_reconnected && + mcl_disconnected && mcl_uncached)) { + g_set_error(gerr, MCAP_ERROR, MCAP_ERROR_INVALID_ARGS, + "The callbacks can't be null"); + return NULL; + } + + ms = g_new0(struct mcap_session, 1); + + adapter_get_address(btd_adapter, &ms->src); + + ms->sec = sec; + ms->mcl_connected_cb = mcl_connected; + ms->mcl_reconnected_cb = mcl_reconnected; + ms->mcl_disconnected_cb = mcl_disconnected; + ms->mcl_uncached_cb = mcl_uncached; + ms->user_data = user_data; + + /* Listen incoming connections in control channel */ + ms->ccio = bt_io_listen(BT_IO_L2CAP, NULL, confirm_mcl_event_cb, ms, + NULL, gerr, + BT_IO_OPT_SOURCE_BDADDR, &ms->src, + BT_IO_OPT_PSM, ccpsm, + BT_IO_OPT_MTU, MCAP_CC_MTU, + BT_IO_OPT_SEC_LEVEL, sec, + BT_IO_OPT_INVALID); + if (!ms->ccio) { + error("%s", (*gerr)->message); + g_free(ms); + return NULL; + } + + /* Listen incoming connections in data channels */ + ms->dcio = bt_io_listen(BT_IO_L2CAP, NULL, confirm_dc_event_cb, ms, + NULL, gerr, + BT_IO_OPT_SOURCE_BDADDR, &ms->src, + BT_IO_OPT_PSM, dcpsm, + BT_IO_OPT_MTU, MCAP_DC_MTU, + BT_IO_OPT_SEC_LEVEL, sec, + BT_IO_OPT_INVALID); + if (!ms->dcio) { + g_io_channel_shutdown(ms->ccio, TRUE, NULL); + g_io_channel_unref(ms->ccio); + ms->ccio = NULL; + error("%s", (*gerr)->message); + g_free(ms); + return NULL; + } + + return ms; } void mcap_close_session(struct mcap_session *ms) { - /* Free MCAP session */ + GSList *l; + + if (!ms) + return; + + if (ms->ccio) { + g_io_channel_shutdown(ms->ccio, TRUE, NULL); + g_io_channel_unref(ms->ccio); + ms->ccio = NULL; + } + + if (ms->dcio) { + g_io_channel_shutdown(ms->dcio, TRUE, NULL); + g_io_channel_unref(ms->dcio); + ms->dcio = NULL; + } + + for (l = ms->mcls; l; l = l->next) { + mcap_mcl_shutdown(l->data); + mcap_mcl_unref(l->data); + } + g_slist_free(ms->mcls); + ms->mcls = NULL; + + for (l = ms->cached; l; l = l->next) + mcap_mcl_unref(l->data); + g_slist_free(ms->cached); + ms->cached = NULL; + + g_free(ms); } -- 1.6.3.3