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[71.56.157.77]) by smtp.gmail.com with ESMTPSA id a19sm17131855pfi.130.2020.12.21.15.01.42 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 21 Dec 2020 15:01:42 -0800 (PST) From: Luiz Augusto von Dentz To: linux-bluetooth@vger.kernel.org Subject: [PATCH BlueZ 2/4] tools: Add isotest tool Date: Mon, 21 Dec 2020 15:01:38 -0800 Message-Id: <20201221230140.2100824-2-luiz.dentz@gmail.com> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20201221230140.2100824-1-luiz.dentz@gmail.com> References: <20201221230140.2100824-1-luiz.dentz@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-bluetooth@vger.kernel.org From: Luiz Augusto von Dentz This adds isotest tool which can be used to test ISO sockets. --- Makefile.tools | 5 +- tools/isotest.c | 845 ++++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 849 insertions(+), 1 deletion(-) create mode 100644 tools/isotest.c diff --git a/Makefile.tools b/Makefile.tools index d5fdf2d89..c1eb2778a 100644 --- a/Makefile.tools +++ b/Makefile.tools @@ -191,7 +191,8 @@ noinst_PROGRAMS += tools/bdaddr tools/avinfo tools/avtest \ tools/eddystone tools/ibeacon \ tools/btgatt-client tools/btgatt-server \ tools/test-runner tools/check-selftest \ - tools/gatt-service profiles/iap/iapd + tools/gatt-service profiles/iap/iapd \ + tools/isotest tools_bdaddr_SOURCES = tools/bdaddr.c src/oui.h src/oui.c tools_bdaddr_LDADD = lib/libbluetooth-internal.la $(UDEV_LIBS) @@ -291,6 +292,8 @@ tools_gatt_service_LDADD = $(GLIB_LIBS) $(DBUS_LIBS) gdbus/libgdbus-internal.la profiles_iap_iapd_SOURCES = profiles/iap/main.c profiles_iap_iapd_LDADD = gdbus/libgdbus-internal.la $(GLIB_LIBS) $(DBUS_LIBS) +tools_isotest_LDADD = lib/libbluetooth-internal.la + dist_man_MANS += tools/rctest.1 tools/l2ping.1 tools/btattach.1 EXTRA_DIST += tools/bdaddr.1 diff --git a/tools/isotest.c b/tools/isotest.c new file mode 100644 index 000000000..6abe2fd8a --- /dev/null +++ b/tools/isotest.c @@ -0,0 +1,845 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * + * BlueZ - Bluetooth protocol stack for Linux + * + * Copyright (C) 2020 Intel Corporation. + * + */ + +#ifdef HAVE_CONFIG_H +#include +#endif + +#define _GNU_SOURCE +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include "lib/bluetooth.h" +#include "lib/hci.h" +#include "lib/hci_lib.h" +#include "lib/iso.h" + +#include "src/shared/util.h" + +/* Test modes */ +enum { + SEND, + RECV, + RECONNECT, + MULTY, + DUMP, + CONNECT +}; + +static unsigned char *buf; + +/* Default data size */ +static long data_size = 251; + +static bdaddr_t bdaddr; +static int bdaddr_type = BDADDR_LE_PUBLIC; + +static int defer_setup = 0; + +struct bt_iso_qos *iso_qos = NULL; +static bool inout; + +struct lookup_table { + const char *name; + int flag; +}; + +static struct lookup_table bdaddr_types[] = { + { "le_public", BDADDR_LE_PUBLIC }, + { "le_random", BDADDR_LE_RANDOM }, + { NULL, 0 }, +}; + +static int get_lookup_flag(struct lookup_table *table, char *name) +{ + int i; + + for (i = 0; table[i].name; i++) + if (!strcasecmp(table[i].name, name)) + return table[i].flag; + + return -1; +} + +static void print_lookup_values(struct lookup_table *table, char *header) +{ + int i; + + printf("%s\n", header); + + for (i = 0; table[i].name; i++) + printf("\t%s\n", table[i].name); +} + +static float tv2fl(struct timeval tv) +{ + return (float)tv.tv_sec + (float)(tv.tv_usec/1000000.0); +} + +static int do_connect(char *peer) +{ + struct sockaddr_iso addr; + struct bt_iso_qos qos; + socklen_t len; + int sk; + + /* Create socket */ + sk = socket(PF_BLUETOOTH, SOCK_SEQPACKET, BTPROTO_ISO); + if (sk < 0) { + syslog(LOG_ERR, "Can't create socket: %s (%d)", + strerror(errno), errno); + return -1; + } + + /* Bind to local address */ + memset(&addr, 0, sizeof(addr)); + addr.iso_family = AF_BLUETOOTH; + bacpy(&addr.iso_bdaddr, &bdaddr); + addr.iso_bdaddr_type = bdaddr_type; + + if (bind(sk, (struct sockaddr *) &addr, sizeof(addr)) < 0) { + syslog(LOG_ERR, "Can't bind socket: %s (%d)", + strerror(errno), errno); + goto error; + } + + /* Set QoS if available */ + if (iso_qos) { + if (!inout) { + iso_qos->in.phy = 0x00; + iso_qos->in.sdu = 0; + } + + if (setsockopt(sk, SOL_BLUETOOTH, BT_ISO_QOS, iso_qos, + sizeof(*iso_qos)) < 0) { + syslog(LOG_ERR, "Can't set QoS socket option: " + "%s (%d)", strerror(errno), errno); + } + } + + /* Enable deferred setup */ + if (defer_setup && setsockopt(sk, SOL_BLUETOOTH, BT_DEFER_SETUP, + &defer_setup, sizeof(defer_setup)) < 0) { + syslog(LOG_ERR, "Can't enable deferred setup : %s (%d)", + strerror(errno), errno); + goto error; + } + + /* Connect to remote device */ + memset(&addr, 0, sizeof(addr)); + addr.iso_family = AF_BLUETOOTH; + str2ba(peer, &addr.iso_bdaddr); + addr.iso_bdaddr_type = bdaddr_type; + + syslog(LOG_INFO, "Connecting %s ...", peer); + + if (connect(sk, (struct sockaddr *) &addr, sizeof(addr)) < 0) { + syslog(LOG_ERR, "Can't connect: %s (%d)", + strerror(errno), errno); + goto error; + } + + /* Read Out QOS */ + memset(&qos, 0, sizeof(qos)); + len = sizeof(qos); + + if (getsockopt(sk, SOL_BLUETOOTH, BT_ISO_QOS, &qos, &len) < 0) { + syslog(LOG_ERR, "Can't get QoS socket option: %s (%d)", + strerror(errno), errno); + goto error; + } + + syslog(LOG_INFO, "Connected [%s]", peer); + syslog(LOG_INFO, "QoS [CIG 0x%02x CIS 0x%02x Packing 0x%02x " + "Framing 0x%02x]", qos.cig, qos.cis, qos.packing, qos.framing); + syslog(LOG_INFO, "Input QoS [Interval %u us Latency %u " + "ms SDU %u PHY 0x%02x RTN %u]", qos.in.interval, + qos.in.latency, qos.in.sdu, qos.in.phy, qos.in.rtn); + syslog(LOG_INFO, "Output QoS [Interval %u us Latency %u " + "ms SDU %u PHY 0x%02x RTN %u]", qos.out.interval, + qos.out.latency, qos.out.sdu, qos.out.phy, qos.out.rtn); + + return sk; + +error: + close(sk); + return -1; +} + +static void do_listen(char *filename, void (*handler)(int fd, int sk)) +{ + struct sockaddr_iso addr; + socklen_t optlen; + int sk, nsk, fd = -1; + char ba[18]; + + if (filename) { + fd = open(filename, O_WRONLY | O_CREAT | O_APPEND, 0644); + if (fd < 0) { + syslog(LOG_ERR, "Can't open file %s: %s\n", + filename, strerror(errno)); + exit(1); + } + } + + /* Create socket */ + sk = socket(PF_BLUETOOTH, SOCK_SEQPACKET, BTPROTO_ISO); + if (sk < 0) { + syslog(LOG_ERR, "Can't create socket: %s (%d)", + strerror(errno), errno); + if (fd >= 0) + close(fd); + exit(1); + } + + /* Bind to local address */ + memset(&addr, 0, sizeof(addr)); + addr.iso_family = AF_BLUETOOTH; + bacpy(&addr.iso_bdaddr, &bdaddr); + addr.iso_bdaddr_type = bdaddr_type; + + if (bind(sk, (struct sockaddr *) &addr, sizeof(addr)) < 0) { + syslog(LOG_ERR, "Can't bind socket: %s (%d)", + strerror(errno), errno); + goto error; + } + + /* Enable deferred setup */ + if (defer_setup && setsockopt(sk, SOL_BLUETOOTH, BT_DEFER_SETUP, + &defer_setup, sizeof(defer_setup)) < 0) { + syslog(LOG_ERR, "Can't enable deferred setup : %s (%d)", + strerror(errno), errno); + goto error; + } + + /* Listen for connections */ + if (listen(sk, 10)) { + syslog(LOG_ERR,"Can not listen on the socket: %s (%d)", + strerror(errno), errno); + goto error; + } + + syslog(LOG_INFO,"Waiting for connection ..."); + + while (1) { + memset(&addr, 0, sizeof(addr)); + optlen = sizeof(addr); + + nsk = accept(sk, (struct sockaddr *) &addr, &optlen); + if (nsk < 0) { + syslog(LOG_ERR,"Accept failed: %s (%d)", + strerror(errno), errno); + goto error; + } + if (fork()) { + /* Parent */ + close(nsk); + continue; + } + /* Child */ + close(sk); + + ba2str(&addr.iso_bdaddr, ba); + syslog(LOG_INFO, "Connect from %s", ba); + + /* Handle deferred setup */ + if (defer_setup) { + syslog(LOG_INFO, "Waiting for %d seconds", + abs(defer_setup) - 1); + sleep(abs(defer_setup) - 1); + + if (defer_setup < 0) { + close(nsk); + exit(1); + } + } + + handler(fd, nsk); + + syslog(LOG_INFO, "Disconnect"); + exit(0); + } + +error: + if (fd >= 0) + close(fd); + close(sk); + exit(1); +} + +static void dump_mode(int fd, int sk) +{ + int len; + + if (defer_setup) { + len = read(sk, buf, data_size); + if (len < 0) + syslog(LOG_ERR, "Initial read error: %s (%d)", + strerror(errno), errno); + else + syslog(LOG_INFO, "Initial bytes %d", len); + } + + syslog(LOG_INFO,"Receiving ..."); + while ((len = read(sk, buf, data_size)) > 0) { + if (fd >= 0) { + len = write(fd, buf, len); + if (len < 0) { + syslog(LOG_ERR, "Write failed: %s (%d)", + strerror(errno), errno); + return; + } + } else + syslog(LOG_INFO, "Received %d bytes", len); + } +} + +static void recv_mode(int fd, int sk) +{ + struct timeval tv_beg,tv_end,tv_diff; + long total; + int len; + + if (defer_setup) { + len = read(sk, buf, data_size); + if (len < 0) + syslog(LOG_ERR, "Initial read error: %s (%d)", + strerror(errno), errno); + else + syslog(LOG_INFO, "Initial bytes %d", len); + } + + syslog(LOG_INFO, "Receiving ..."); + + while (1) { + gettimeofday(&tv_beg, NULL); + total = 0; + while (total < data_size) { + int r; + + r = recv(sk, buf, data_size, 0); + if (r <= 0) { + if (r < 0) + syslog(LOG_ERR, "Read failed: %s (%d)", + strerror(errno), errno); + if (errno != ENOTCONN) + return; + r = 0; + } + + if (fd >= 0) { + r = write(fd, buf, r); + if (r < 0) { + syslog(LOG_ERR, "Write failed: %s (%d)", + strerror(errno), errno); + return; + } + } + + total += r; + } + gettimeofday(&tv_end, NULL); + + timersub(&tv_end, &tv_beg, &tv_diff); + + syslog(LOG_INFO,"%ld bytes in %.2f sec speed %.2f kb/s", total, + tv2fl(tv_diff), + (float)(total * 8 / tv2fl(tv_diff)) / 1024.0); + } +} + +static int open_file(const char *filename) +{ + int fd = -1; + + syslog(LOG_INFO,"Opening %s ...", filename); + + fd = open(filename, O_RDONLY); + if (fd <= 0) { + syslog(LOG_ERR, "Can't open file %s: %s\n", + filename, strerror(errno)); + } + + return fd; +} + +static void send_mode(char *filename, char *peer, int i) +{ + struct bt_iso_qos qos; + socklen_t len; + uint32_t seq; + int sk, fd = -1; + + if (filename) { + char altername[PATH_MAX]; + struct stat st; + int err; + + snprintf(altername, PATH_MAX, "%s.%u", filename, i); + + err = stat(altername, &st); + if (!err) + fd = open_file(altername); + + if (fd <= 0) + fd = open_file(filename); + } + + sk = do_connect(peer); + if (sk < 0) { + syslog(LOG_ERR, "Can't connect to the server: %s (%d)", + strerror(errno), errno); + exit(1); + } + + if (defer_setup) { + syslog(LOG_INFO, "Waiting for %d seconds", + abs(defer_setup) - 1); + sleep(abs(defer_setup) - 1); + } + + syslog(LOG_INFO,"Sending ..."); + + /* Read QoS */ + memset(&qos, 0, sizeof(qos)); + len = sizeof(qos); + if (getsockopt(sk, SOL_BLUETOOTH, BT_ISO_QOS, &qos, &len) < 0) { + syslog(LOG_ERR, "Can't get Output QoS socket option: %s (%d)", + strerror(errno), errno); + qos.out.sdu = ISO_DEFAULT_MTU; + } + + for (i = 6; i < qos.out.sdu; i++) + buf[i] = 0x7f; + + seq = 0; + while (1) { + if (fd >= 0) { + ssize_t ret; + + ret = read(fd, buf, qos.out.sdu); + if (ret <= 0) { + if (ret < 0) + syslog(LOG_ERR, "read failed: %s (%d)", + strerror(errno), errno); + close(fd); + break; + } + } + + seq++; + + if (send(sk, buf, qos.out.sdu, 0) <= 0) { + syslog(LOG_ERR, "Send failed: %s (%d)", + strerror(errno), errno); + exit(1); + } + + usleep(qos.out.interval); + } +} + +static void reconnect_mode(char *peer) +{ + while (1) { + int sk; + + sk = do_connect(peer); + if (sk < 0) { + syslog(LOG_ERR, "Can't connect to the server: %s (%d)", + strerror(errno), errno); + exit(1); + } + + close(sk); + + sleep(5); + } +} + +static void multy_connect_mode(char *peer) +{ + while (1) { + int i, sk; + + for (i = 0; i < 10; i++){ + if (fork()) + continue; + + /* Child */ + sk = do_connect(peer); + if (sk < 0) { + syslog(LOG_ERR, "Can't connect to the server: " + "%s (%d)", strerror(errno), errno); + } + close(sk); + exit(0); + } + + sleep(19); + } +} + +#define QOS_IO(_interval, _latency, _sdu, _phy, _rtn) \ +{ \ + .interval = _interval, \ + .latency = _latency, \ + .sdu = _sdu, \ + .phy = _phy, \ + .rtn = _rtn, \ +} + +#define QOS(_interval, _latency, _sdu, _phy, _rtn) \ +{ \ + .cig = BT_ISO_QOS_CIG_UNSET, \ + .cis = BT_ISO_QOS_CIS_UNSET, \ + .sca = 0x07, \ + .packing = 0x00, \ + .framing = 0x00, \ + .out = QOS_IO(_interval, _latency, _sdu, _phy, _rtn), \ +} + +#define QOS_PRESET(_name, _inout, _interval, _latency, _sdu, _phy, _rtn) \ +{ \ + .name = _name, \ + .inout = _inout, \ + .qos = QOS(_interval, _latency, _sdu, _phy, _rtn), \ +} + +static struct qos_preset { + const char *name; + bool inout; + struct bt_iso_qos qos; +} presets[] = { + /* QoS Configuration settings for low latency audio data */ + QOS_PRESET("8_1_1", true, 7500, 8, 26, 0x02, 2), + QOS_PRESET("8_2_1", true, 10000, 10, 30, 0x02, 2), + QOS_PRESET("16_1_1", true, 7500, 8, 30, 0x02, 2), + QOS_PRESET("16_2_1", true, 10000, 10, 40, 0x02, 2), + QOS_PRESET("24_1_1", true, 7500, 8, 45, 0x02, 2), + QOS_PRESET("24_2_1", true, 10000, 10, 60, 0x02, 2), + QOS_PRESET("32_1_1", true, 7500, 8, 60, 0x02, 2), + QOS_PRESET("32_2_1", true, 10000, 10, 80, 0x02, 2), + QOS_PRESET("44_1_1", false, 8163, 24, 98, 0x02, 5), + QOS_PRESET("44_2_1", false, 10884, 31, 130, 0x02, 5), + QOS_PRESET("48_1_1", false, 7500, 15, 75, 0x02, 5), + QOS_PRESET("48_2_1", false, 10000, 20, 100, 0x02, 5), + QOS_PRESET("48_3_1", false, 7500, 15, 90, 0x02, 5), + QOS_PRESET("48_4_1", false, 10000, 20, 120, 0x02, 5), + QOS_PRESET("48_5_1", false, 7500, 15, 117, 0x02, 5), + QOS_PRESET("44_6_1", false, 10000, 20, 155, 0x02, 5), + /* QoS Configuration settings for high reliability audio data */ + QOS_PRESET("8_1_2", true, 7500, 45, 26, 0x02, 41), + QOS_PRESET("8_2_2", true, 10000, 60, 30, 0x02, 53), + QOS_PRESET("16_1_2", true, 7500, 45, 30, 0x02, 41), + QOS_PRESET("16_2_2", true, 10000, 60, 40, 0x02, 47), + QOS_PRESET("24_1_2", true, 7500, 45, 45, 0x02, 35), + QOS_PRESET("24_2_2", true, 10000, 60, 60, 0x02, 41), + QOS_PRESET("32_1_2", true, 7500, 45, 60, 0x02, 29), + QOS_PRESET("32_2_1", true, 10000, 60, 80, 0x02, 35), + QOS_PRESET("44_1_2", false, 8163, 54, 98, 0x02, 23), + QOS_PRESET("44_2_2", false, 10884, 71, 130, 0x02, 23), + QOS_PRESET("48_1_2", false, 7500, 45, 75, 0x02, 23), + QOS_PRESET("48_2_2", false, 10000, 60, 100, 0x02, 23), + QOS_PRESET("48_3_2", false, 7500, 45, 90, 0x02, 23), + QOS_PRESET("48_4_2", false, 10000, 60, 120, 0x02, 23), + QOS_PRESET("48_5_2", false, 7500, 45, 117, 0x02, 23), + QOS_PRESET("44_6_2", false, 10000, 60, 155, 0x02, 23), +}; + +#define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0])) + +static void usage(void) +{ + printf("isotest - ISO testing\n" + "Usage:\n"); + printf("\tisotest [options] [bdaddr] [bdaddr1]...\n"); + printf("Modes:\n" + "\t-d, --dump [filename] dump (server)\n" + "\t-c, --reconnect reconnect (client)\n" + "\t-m, --multiple multiple connects (client)\n" + "\t-r, --receive [filename] receive (server)\n" + "\t-s, --send [filename,...] connect and send (client)\n" + "\t-n, --silent connect and be silent (client)\n" + "Options:\n" + "\t[-b, --bytes ]\n" + "\t[-i, --device ]\n" + "\t[-h, --help]\n" + "\t[-W, --defer ] enable deferred setup\n" + "\t[-M, --mtu ]\n" + "\t[-S, --sca ]\n" + "\t[-P, --packing ]\n" + "\t[-F, --framing ]\n" + "\t[-I, --interval ]\n" + "\t[-L, --latency ]\n" + "\t[-Y, --phy ]\n" + "\t[-R, --rtn ]\n" + "\t[-B, --preset ]\n" + "\t[-G, --CIG ]\n" + "\t[-V, --type ] address type (help for list)\n"); +} + +static const struct option main_options[] = { + { "dump", optional_argument, NULL, 'd'}, + { "reconnect", no_argument, NULL, 'c'}, + { "multiple", no_argument, NULL, 'm'}, + { "receive", optional_argument, NULL, 'r'}, + { "send", optional_argument, NULL, 's'}, + { "silent", no_argument, NULL, 'n'}, + { "bytes", required_argument, NULL, 'b'}, + { "device", required_argument, NULL, 'i'}, + { "help", no_argument, NULL, 'h'}, + { "defer", required_argument, NULL, 'W'}, + { "mtu", required_argument, NULL, 'M'}, + { "sca", required_argument, NULL, 'S'}, + { "packing", required_argument, NULL, 'P'}, + { "framing", required_argument, NULL, 'F'}, + { "interval", required_argument, NULL, 'I'}, + { "latency", required_argument, NULL, 'L'}, + { "phy", required_argument, NULL, 'Y'}, + { "rtn", required_argument, NULL, 'R'}, + { "preset", required_argument, NULL, 'B'}, + { "CIG", required_argument, NULL, 'G'}, + { "type", required_argument, NULL, 'V'}, + {} +}; + +int main(int argc ,char *argv[]) +{ + struct sigaction sa; + int sk, mode = RECV; + char *filename = NULL; + unsigned int i; + + iso_qos = malloc(sizeof(*iso_qos)); + /* Default to 16_2_1 */ + *iso_qos = presets[3].qos; + inout = true; + + while (1) { + int opt; + + opt = getopt_long(argc, argv, + "d::cmr::s::nb:i:hV:W:M:S:P:F:I:L:Y:R:B:G:", + main_options, NULL); + if (opt < 0) + break; + + + switch(opt) { + case 'r': + mode = RECV; + if (optarg) + filename = strdup(optarg); + break; + + case 's': + mode = SEND; + if (optarg) + filename = strdup(optarg); + break; + + case 'd': + mode = DUMP; + if (optarg) + filename = strdup(optarg); + break; + + case 'c': + mode = RECONNECT; + break; + + case 'm': + mode = MULTY; + break; + + case 'n': + mode = CONNECT; + break; + + case 'b': + data_size = atoi(optarg); + break; + + case 'i': + if (!strncasecmp(optarg, "hci", 3)) + hci_devba(atoi(optarg + 3), &bdaddr); + else + str2ba(optarg, &bdaddr); + break; + + case 'V': + bdaddr_type = get_lookup_flag(bdaddr_types, optarg); + + if (bdaddr_type == -1) { + print_lookup_values(bdaddr_types, + "List Address types:"); + exit(1); + } + + break; + + case 'W': + defer_setup = atoi(optarg); + break; + + case 'M': + iso_qos->out.sdu = atoi(optarg); + + break; + + case 'S': + iso_qos->sca = atoi(optarg); + + break; + + + case 'P': + iso_qos->packing = atoi(optarg); + + break; + + case 'F': + iso_qos->framing = atoi(optarg); + + break; + + case 'I': + iso_qos->out.interval = atoi(optarg); + + break; + + case 'L': + iso_qos->out.latency = atoi(optarg); + + break; + + case 'Y': + iso_qos->out.phy = atoi(optarg); + + break; + + case 'R': + iso_qos->out.rtn = atoi(optarg); + + break; + + case 'B': + for (i = 0; i < ARRAY_SIZE(presets); i++) { + if (!strcmp(presets[i].name, optarg)) { + *iso_qos = presets[i].qos; + inout = presets[i].inout; + break; + } + } + + break; + + case 'G': + iso_qos->cig = atoi(optarg); + + break; + + /* Fallthrough */ + default: + usage(); + exit(1); + } + } + + if (inout) + iso_qos->in = iso_qos->out; + + buf = malloc(data_size); + if (!buf) { + perror("Can't allocate data buffer"); + exit(1); + } + + memset(&sa, 0, sizeof(sa)); + sa.sa_handler = SIG_IGN; + sa.sa_flags = SA_NOCLDSTOP; + sigaction(SIGCHLD, &sa, NULL); + + openlog("isotest", LOG_PERROR | LOG_PID, LOG_LOCAL0); + + if (!(argc - optind)) { + switch (mode) { + case RECV: + do_listen(filename, recv_mode); + goto done; + + case DUMP: + do_listen(filename, dump_mode); + goto done; + default: + usage(); + exit(1); + } + } + + argc -= optind; + + for (i = 0; i < (unsigned int) argc; i++) { + pid_t pid; + + pid = fork(); + if (pid < 0) { + perror("Failed to fork new process"); + return -1; + } + + if (!pid) + continue; + + switch (mode) { + case SEND: + send_mode(filename, argv[optind + i], i); + if (strchr(filename, ',')) + filename = strchr(filename, ',') + 1; + break; + + case RECONNECT: + reconnect_mode(argv[optind + i]); + break; + + case MULTY: + multy_connect_mode(argv[optind + i]); + break; + + case CONNECT: + sk = do_connect(argv[optind + i]); + if (sk < 0) + exit(1); + dump_mode(-1, sk); + break; + } + + break; + } + +done: + syslog(LOG_INFO, "Exit"); + + closelog(); + + return 0; +}