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Wed, 23 Aug 2023 15:11:45 +0000 From: Iulia Tanasescu To: linux-bluetooth@vger.kernel.org Cc: claudia.rosu@nxp.com, mihai-octavian.urzica@nxp.com, silviu.barbulescu@nxp.com, vlad.pruteanu@nxp.com, andrei.istodorescu@nxp.com, Iulia Tanasescu Subject: [PATCH BlueZ 1/1] isotest: Add defer setup support for Broadcast Receiver Date: Wed, 23 Aug 2023 18:11:25 +0300 Message-Id: <20230823151125.16100-2-iulia.tanasescu@nxp.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230823151125.16100-1-iulia.tanasescu@nxp.com> References: <20230823151125.16100-1-iulia.tanasescu@nxp.com> X-ClientProxiedBy: AM0PR03CA0093.eurprd03.prod.outlook.com (2603:10a6:208:69::34) To AS8PR04MB8898.eurprd04.prod.outlook.com (2603:10a6:20b:42d::15) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: AS8PR04MB8898:EE_|AS8PR04MB9190:EE_ X-MS-Office365-Filtering-Correlation-Id: 848abb9e-12a4-4ca7-5ebb-08dba3eb43c6 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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In order to create a Broadcast Receiver with the defer setup option, the -W command line parameter should be used, as described in isotest.rst. --- tools/isotest.c | 122 +++++++++++++++++++++++++++++++----------------- 1 file changed, 80 insertions(+), 42 deletions(-) diff --git a/tools/isotest.c b/tools/isotest.c index c71bc6fa0..68729d977 100644 --- a/tools/isotest.c +++ b/tools/isotest.c @@ -434,16 +434,60 @@ error: } -static void do_listen(char *filename, void (*handler)(int fd, int sk), - char *peer) +static int accept_conn(int sk, struct sockaddr_iso *addr, char *peer) +{ + socklen_t optlen; + int nsk, err, sk_err; + struct pollfd fds; + socklen_t len; + + memset(addr, 0, sizeof(*addr) + sizeof(*addr->iso_bc)); + optlen = sizeof(*addr); + + if (peer) + optlen += sizeof(*addr->iso_bc); + + nsk = accept(sk, (struct sockaddr *) addr, &optlen); + if (nsk < 0) { + syslog(LOG_ERR, "Accept failed: %s (%d)", + strerror(errno), errno); + return -1; + } + + /* Check if connection was successful */ + memset(&fds, 0, sizeof(fds)); + fds.fd = nsk; + fds.events = POLLERR; + + if (poll(&fds, 1, 0) > 0 && (fds.revents & POLLERR)) { + len = sizeof(sk_err); + + if (getsockopt(nsk, SOL_SOCKET, SO_ERROR, + &sk_err, &len) < 0) + err = -errno; + else + err = -sk_err; + + if (err < 0) + syslog(LOG_ERR, "Connection failed: %s (%d)", + strerror(-err), -err); + + close(nsk); + return -1; + } + + return nsk; +} + +static void do_listen(char *filename, + void (*handler)(int fd, int sk, char *peer), + char *peer) { struct sockaddr_iso *addr = NULL; socklen_t optlen; int sk, nsk, fd = -1; char ba[18]; - struct pollfd fds; - int err, sk_err; - socklen_t len; + int read_len; if (filename) { fd = open(filename, O_WRONLY | O_CREAT | O_APPEND, 0644); @@ -519,41 +563,27 @@ static void do_listen(char *filename, void (*handler)(int fd, int sk), syslog(LOG_INFO, "Waiting for connection %s...", peer ? peer : ""); - while (1) { - memset(addr, 0, sizeof(*addr) + sizeof(*addr->iso_bc)); - optlen = sizeof(*addr); - - if (peer) - optlen += sizeof(*addr->iso_bc); - - nsk = accept(sk, (struct sockaddr *) addr, &optlen); - if (nsk < 0) { - syslog(LOG_ERR, "Accept failed: %s (%d)", - strerror(errno), errno); + /* Handle deferred setup */ + if (defer_setup && peer) { + nsk = accept_conn(sk, addr, peer); + if (nsk < 0) goto error; - } - /* Check if connection was successful */ - memset(&fds, 0, sizeof(fds)); - fds.fd = nsk; - fds.events = POLLERR; - - if (poll(&fds, 1, 0) > 0 && (fds.revents & POLLERR)) { - len = sizeof(sk_err); - - if (getsockopt(nsk, SOL_SOCKET, SO_ERROR, - &sk_err, &len) < 0) - err = -errno; - else - err = -sk_err; + close(sk); + sk = nsk; - if (err < 0) - syslog(LOG_ERR, "Connection failed: %s (%d)", - strerror(-err), -err); + read_len = read(sk, buf, data_size); + if (read_len < 0) + syslog(LOG_ERR, "Initial read error: %s (%d)", + strerror(errno), errno); + else + syslog(LOG_INFO, "Initial bytes %d", read_len); + } - close(nsk); + while (1) { + nsk = accept_conn(sk, addr, peer); + if (nsk < 0) continue; - } if (fork()) { /* Parent */ @@ -583,7 +613,7 @@ static void do_listen(char *filename, void (*handler)(int fd, int sk), } } - handler(fd, nsk); + handler(fd, nsk, peer); syslog(LOG_INFO, "Disconnect"); exit(0); @@ -598,11 +628,11 @@ error: exit(1); } -static void dump_mode(int fd, int sk) +static void dump_mode(int fd, int sk, char *peer) { int len; - if (defer_setup) { + if (defer_setup && !peer) { len = read(sk, buf, data_size); if (len < 0) syslog(LOG_ERR, "Initial read error: %s (%d)", @@ -625,14 +655,14 @@ static void dump_mode(int fd, int sk) } } -static void recv_mode(int fd, int sk) +static void recv_mode(int fd, int sk, char *peer) { struct timeval tv_beg, tv_end, tv_diff; long total; int len; uint32_t seq; - if (defer_setup) { + if (defer_setup && !peer) { len = read(sk, buf, data_size); if (len < 0) syslog(LOG_ERR, "Initial read error: %s (%d)", @@ -1446,7 +1476,11 @@ int main(int argc, char *argv[]) } /* Child */ - dump_mode(-1, sk_arr[i]); + if (!strcmp(peer, "00:00:00:00:00:00")) + dump_mode(-1, sk_arr[i], peer); + else + dump_mode(-1, sk_arr[i], NULL); + exit(0); } @@ -1462,7 +1496,11 @@ int main(int argc, char *argv[]) sk = do_connect(argv[optind + i]); if (sk < 0) exit(1); - dump_mode(-1, sk); + + if (!strcmp(peer, "00:00:00:00:00:00")) + dump_mode(-1, sk, peer); + else + dump_mode(-1, sk, NULL); } break;