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authorMarcel Holtmann <marcel@holtmann.org>2005-01-27 18:16:11 +0000
committerMarcel Holtmann <marcel@holtmann.org>2005-01-27 18:16:11 +0000
commit7715ad4f56e82c9eb4cf75020b1f3039d06ce115 (patch)
tree83e9968d324b1ef15d6df166822f28d80bdfc09b /test/l2test.c
parent0dab40dad416805e31cb5312956880609dc21443 (diff)
Cleanup the socket handling
Diffstat (limited to 'test/l2test.c')
-rw-r--r--test/l2test.c295
1 files changed, 177 insertions, 118 deletions
diff --git a/test/l2test.c b/test/l2test.c
index 272f40f6..ac831d97 100644
--- a/test/l2test.c
+++ b/test/l2test.c
@@ -76,8 +76,8 @@ static long data_size = 0;
static bdaddr_t bdaddr;
static unsigned short psm = 10;
-/* Default number of frames to send */
-static int num_frames = -1; // Infinite
+/* Default number of frames to send (-1 = infinite) */
+static int num_frames = -1;
static int master = 0;
static int auth = 0;
@@ -166,46 +166,58 @@ static void hexdump(char *s, unsigned long l)
static int do_connect(char *svr)
{
- struct sockaddr_l2 rem_addr, loc_addr;
+ struct sockaddr_l2 addr;
struct l2cap_options opts;
struct l2cap_conninfo conn;
- int s, opt;
+ socklen_t optlen;
+ int sk, opt;
- if ((s = socket(PF_BLUETOOTH, socktype, BTPROTO_L2CAP)) < 0) {
- syslog(LOG_ERR, "Can't create socket: %s (%d)", strerror(errno), errno);
+ /* Create socket */
+ sk = socket(PF_BLUETOOTH, socktype, BTPROTO_L2CAP);
+ if (sk < 0) {
+ syslog(LOG_ERR, "Can't create socket: %s (%d)",
+ strerror(errno), errno);
return -1;
}
- memset(&loc_addr, 0, sizeof(loc_addr));
- loc_addr.l2_family = AF_BLUETOOTH;
- bacpy(&loc_addr.l2_bdaddr, &bdaddr);
- if (bind(s, (struct sockaddr *) &loc_addr, sizeof(loc_addr)) < 0) {
- syslog(LOG_ERR, "Can't bind socket: %s (%d)", strerror(errno), errno);
- exit(1);
+ /* Bind to local address */
+ memset(&addr, 0, sizeof(addr));
+ addr.l2_family = AF_BLUETOOTH;
+ bacpy(&addr.l2_bdaddr, &bdaddr);
+
+ if (bind(sk, (struct sockaddr *) &addr, sizeof(addr)) < 0) {
+ syslog(LOG_ERR, "Can't bind socket: %s (%d)",
+ strerror(errno), errno);
+ goto error;
}
/* Get default options */
memset(&opts, 0, sizeof(opts));
- opt = sizeof(opts);
- if (getsockopt(s, SOL_L2CAP, L2CAP_OPTIONS, &opts, &opt) < 0) {
- syslog(LOG_ERR, "Can't get default L2CAP options: %s (%d)", strerror(errno), errno);
- return -1;
+ optlen = sizeof(opts);
+
+ if (getsockopt(sk, SOL_L2CAP, L2CAP_OPTIONS, &opts, &optlen) < 0) {
+ syslog(LOG_ERR, "Can't get default L2CAP options: %s (%d)",
+ strerror(errno), errno);
+ goto error;
}
/* Set new options */
opts.omtu = omtu;
opts.imtu = imtu;
- if (setsockopt(s, SOL_L2CAP, L2CAP_OPTIONS, &opts, opt) < 0) {
- syslog(LOG_ERR, "Can't set L2CAP options: %s (%d)", strerror(errno), errno);
- return -1;
+
+ if (setsockopt(sk, SOL_L2CAP, L2CAP_OPTIONS, &opts, sizeof(opts)) < 0) {
+ syslog(LOG_ERR, "Can't set L2CAP options: %s (%d)",
+ strerror(errno), errno);
+ goto error;
}
/* Enable SO_LINGER */
if (linger) {
struct linger l = { .l_onoff = 1, .l_linger = linger };
- if (setsockopt(s, SOL_SOCKET, SO_LINGER, &l, sizeof(l)) < 0) {
+
+ if (setsockopt(sk, SOL_SOCKET, SO_LINGER, &l, sizeof(l)) < 0) {
syslog(LOG_ERR, "Can't enable SO_LINGER: %s (%d)",
- strerror(errno), errno);
+ strerror(errno), errno);
return -1;
}
}
@@ -215,63 +227,82 @@ static int do_connect(char *svr)
if (reliable)
opt |= L2CAP_LM_RELIABLE;
- if (setsockopt(s, SOL_L2CAP, L2CAP_LM, &opt, sizeof(opt)) < 0) {
- syslog(LOG_ERR, "Can't set L2CAP link mode: %s (%d)", strerror(errno), errno);
- exit(1);
+ if (setsockopt(sk, SOL_L2CAP, L2CAP_LM, &opt, sizeof(opt)) < 0) {
+ syslog(LOG_ERR, "Can't set L2CAP link mode: %s (%d)",
+ strerror(errno), errno);
+ goto error;
}
- memset(&rem_addr, 0, sizeof(rem_addr));
- rem_addr.l2_family = AF_BLUETOOTH;
- str2ba(svr, &rem_addr.l2_bdaddr);
- rem_addr.l2_psm = htobs(psm);
- if (connect(s, (struct sockaddr *) &rem_addr, sizeof(rem_addr)) < 0 ) {
- syslog(LOG_ERR, "Can't connect: %s (%d)", strerror(errno), errno);
- close(s);
- return -1;
+ /* Connect to remote device */
+ memset(&addr, 0, sizeof(addr));
+ addr.l2_family = AF_BLUETOOTH;
+ str2ba(svr, &addr.l2_bdaddr);
+ addr.l2_psm = htobs(psm);
+
+ if (connect(sk, (struct sockaddr *) &addr, sizeof(addr)) < 0 ) {
+ syslog(LOG_ERR, "Can't connect: %s (%d)",
+ strerror(errno), errno);
+ goto error;
}
+ /* Get current options */
memset(&opts, 0, sizeof(opts));
- opt = sizeof(opts);
- if (getsockopt(s, SOL_L2CAP, L2CAP_OPTIONS, &opts, &opt) < 0) {
- syslog(LOG_ERR, "Can't get L2CAP options: %s (%d)", strerror(errno), errno);
- close(s);
- return -1;
+ optlen = sizeof(opts);
+
+ if (getsockopt(sk, SOL_L2CAP, L2CAP_OPTIONS, &opts, &optlen) < 0) {
+ syslog(LOG_ERR, "Can't get L2CAP options: %s (%d)",
+ strerror(errno), errno);
+ goto error;
}
+ /* Get connection information */
memset(&conn, 0, sizeof(conn));
- opt = sizeof(conn);
- if (getsockopt(s, SOL_L2CAP, L2CAP_CONNINFO, &conn, &opt) < 0) {
- syslog(LOG_ERR, "Can't get L2CAP connection information: %s (%d)", strerror(errno), errno);
- close(s);
- return -1;
+ optlen = sizeof(conn);
+
+ if (getsockopt(sk, SOL_L2CAP, L2CAP_CONNINFO, &conn, &optlen) < 0) {
+ syslog(LOG_ERR, "Can't get L2CAP connection information: %s (%d)",
+ strerror(errno), errno);
+ goto error;
}
- syslog(LOG_INFO, "Connected [imtu %d, omtu %d, flush_to %d, mode %d, handle %d, class 0x%02x%02x%02x]",
+ syslog(LOG_INFO, "Connected [imtu %d, omtu %d, flush_to %d, "
+ "mode %d, handle %d, class 0x%02x%02x%02x]",
opts.imtu, opts.omtu, opts.flush_to, opts.mode, conn.hci_handle,
conn.dev_class[2], conn.dev_class[1], conn.dev_class[0]);
- return s;
+ return sk;
+
+error:
+ close(sk);
+ return -1;
}
static void do_listen(void (*handler)(int sk))
{
- struct sockaddr_l2 loc_addr, rem_addr;
+ struct sockaddr_l2 addr;
struct l2cap_options opts;
struct l2cap_conninfo conn;
- int s, s1, opt;
+ socklen_t optlen;
+ int sk, nsk, opt;
char ba[18];
- if ((s = socket(PF_BLUETOOTH, socktype, BTPROTO_L2CAP)) < 0) {
- syslog(LOG_ERR, "Can't create socket: %s (%d)", strerror(errno), errno);
+ /* Create socket */
+ sk = socket(PF_BLUETOOTH, socktype, BTPROTO_L2CAP);
+ if (sk < 0) {
+ syslog(LOG_ERR, "Can't create socket: %s (%d)",
+ strerror(errno), errno);
exit(1);
}
- loc_addr.l2_family = AF_BLUETOOTH;
- bacpy(&loc_addr.l2_bdaddr, &bdaddr);
- loc_addr.l2_psm = htobs(psm);
- if (bind(s, (struct sockaddr *) &loc_addr, sizeof(loc_addr)) < 0) {
- syslog(LOG_ERR, "Can't bind socket: %s (%d)", strerror(errno), errno);
- exit(1);
+ /* Bind to local address */
+ addr.l2_family = AF_BLUETOOTH;
+ bacpy(&addr.l2_bdaddr, &bdaddr);
+ addr.l2_psm = htobs(psm);
+
+ if (bind(sk, (struct sockaddr *) &addr, sizeof(addr)) < 0) {
+ syslog(LOG_ERR, "Can't bind socket: %s (%d)",
+ strerror(errno), errno);
+ goto error;
}
/* Set link mode */
@@ -287,138 +318,166 @@ static void do_listen(void (*handler)(int sk))
if (secure)
opt |= L2CAP_LM_SECURE;
- if (opt && setsockopt(s, SOL_L2CAP, L2CAP_LM, &opt, sizeof(opt)) < 0) {
- syslog(LOG_ERR, "Can't set L2CAP link mode: %s (%d)", strerror(errno), errno);
- exit(1);
+ if (opt && setsockopt(sk, SOL_L2CAP, L2CAP_LM, &opt, sizeof(opt)) < 0) {
+ syslog(LOG_ERR, "Can't set L2CAP link mode: %s (%d)",
+ strerror(errno), errno);
+ goto error;
}
/* Get default options */
- opt = sizeof(opts);
- if (getsockopt(s, SOL_L2CAP, L2CAP_OPTIONS, &opts, &opt) < 0) {
- syslog(LOG_ERR, "Can't get default L2CAP options: %s (%d)", strerror(errno), errno);
- exit(1);
+ memset(&opts, 0, sizeof(opts));
+ optlen = sizeof(opts);
+
+ if (getsockopt(sk, SOL_L2CAP, L2CAP_OPTIONS, &opts, &optlen) < 0) {
+ syslog(LOG_ERR, "Can't get default L2CAP options: %s (%d)",
+ strerror(errno), errno);
+ goto error;
}
/* Set new options */
opts.imtu = imtu;
- if (setsockopt(s, SOL_L2CAP, L2CAP_OPTIONS, &opts, opt) < 0) {
- syslog(LOG_ERR, "Can't set L2CAP options: %s (%d)", strerror(errno), errno);
- exit(1);
+
+ if (setsockopt(sk, SOL_L2CAP, L2CAP_OPTIONS, &opts, sizeof(opts)) < 0) {
+ syslog(LOG_ERR, "Can't set L2CAP options: %s (%d)",
+ strerror(errno), errno);
+ goto error;
}
if (socktype == SOCK_DGRAM) {
- handler(s);
+ handler(sk);
return;
}
- if (listen(s, 10)) {
- syslog(LOG_ERR,"Can not listen on the socket: %s (%d)", strerror(errno), errno);
- exit(1);
+ /* 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 on psm %d ...", psm);
+ syslog(LOG_INFO, "Waiting for connection on psm %d ...", psm);
while(1) {
- opt = sizeof(rem_addr);
- if ((s1 = accept(s, (struct sockaddr *) &rem_addr, &opt)) < 0) {
- syslog(LOG_ERR,"Accept failed: %s (%d)", strerror(errno), errno);
- exit(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(s1);
+ close(nsk);
continue;
}
/* Child */
+ close(sk);
- close(s);
-
+ /* Get current options */
memset(&opts, 0, sizeof(opts));
- opt = sizeof(opts);
- if (getsockopt(s1, SOL_L2CAP, L2CAP_OPTIONS, &opts, &opt) < 0) {
- syslog(LOG_ERR, "Can't get L2CAP options: %s (%d)", strerror(errno), errno);
- close(s1);
- exit(1);
+ optlen = sizeof(opts);
+
+ if (getsockopt(nsk, SOL_L2CAP, L2CAP_OPTIONS, &opts, &optlen) < 0) {
+ syslog(LOG_ERR, "Can't get L2CAP options: %s (%d)",
+ strerror(errno), errno);
+ close(nsk);
+ goto error;
}
+ /* Get connection information */
memset(&conn, 0, sizeof(conn));
- opt = sizeof(conn);
- if (getsockopt(s1, SOL_L2CAP, L2CAP_CONNINFO, &conn, &opt) < 0) {
- syslog(LOG_ERR, "Can't get L2CAP connection information: %s (%d)", strerror(errno), errno);
- close(s1);
- exit(1);
+ optlen = sizeof(conn);
+
+ if (getsockopt(nsk, SOL_L2CAP, L2CAP_CONNINFO, &conn, &optlen) < 0) {
+ syslog(LOG_ERR, "Can't get L2CAP connection information: %s (%d)",
+ strerror(errno), errno);
+ close(nsk);
+ goto error;
}
- ba2str(&rem_addr.l2_bdaddr, ba);
- syslog(LOG_INFO, "Connect from %s [imtu %d, omtu %d, flush_to %d, mode %d, handle %d, class 0x%02x%02x%02x]\n",
+ ba2str(&addr.l2_bdaddr, ba);
+ syslog(LOG_INFO, "Connect from %s [imtu %d, omtu %d, flush_to %d, "
+ " mode %d, handle %d, class 0x%02x%02x%02x]",
ba, opts.imtu, opts.omtu, opts.flush_to, opts.mode, conn.hci_handle,
conn.dev_class[2], conn.dev_class[1], conn.dev_class[0]);
/* Enable SO_LINGER */
if (linger) {
struct linger l = { .l_onoff = 1, .l_linger = linger };
- if (setsockopt(s, SOL_SOCKET, SO_LINGER, &l, sizeof(l)) < 0) {
+
+ if (setsockopt(nsk, SOL_SOCKET, SO_LINGER, &l, sizeof(l)) < 0) {
syslog(LOG_ERR, "Can't enable SO_LINGER: %s (%d)",
- strerror(errno), errno);
- exit(1);
+ strerror(errno), errno);
+ close(nsk);
+ goto error;
}
}
- handler(s1);
+ handler(nsk);
syslog(LOG_INFO, "Disconnect: %m");
exit(0);
}
+
+ return;
+
+error:
+ close(sk);
+ exit(1);
}
-static void dump_mode(int s)
+static void dump_mode(int sk)
{
- int len;
- int opt, optl;
+ socklen_t optlen;
+ int opt, len;
syslog(LOG_INFO, "Receiving ...");
while (1) {
fd_set rset;
FD_ZERO(&rset);
- FD_SET(s, &rset);
+ FD_SET(sk, &rset);
- if (select(s + 1, &rset, NULL, NULL, NULL) < 0)
+ if (select(sk + 1, &rset, NULL, NULL, NULL) < 0)
return;
- if (!FD_ISSET(s, &rset))
+ if (!FD_ISSET(sk, &rset))
continue;
- len = read(s, buf, data_size);
+ len = read(sk, buf, data_size);
if (len <= 0) {
if (len < 0) {
if (reliable && (errno == ECOMM)) {
- syslog(LOG_INFO, "L2CAP Error ECOMM - clearing error and continuing.\n");
- optl = sizeof(opt);
- if (getsockopt(s, SOL_SOCKET, SO_ERROR, &opt, &optl ) < 0) { // Clear error
- syslog(LOG_ERR, "Couldn't getsockopt(SO_ERROR): %s (%d)\n",
+ syslog(LOG_INFO, "L2CAP Error ECOMM - clearing error and continuing.");
+ optlen = sizeof(opt);
+ if (getsockopt(sk, SOL_SOCKET, SO_ERROR, &opt, &optlen) < 0) {
+ syslog(LOG_ERR, "Couldn't getsockopt(SO_ERROR): %s (%d)",
strerror(errno), errno);
return;
}
continue;
} else {
- syslog(LOG_ERR, "Read error: %s(%d)\n", strerror(errno), errno);
+ syslog(LOG_ERR, "Read error: %s(%d)",
+ strerror(errno), errno);
}
}
return;
}
- syslog(LOG_INFO, "Recevied %d bytes\n", len);
+ syslog(LOG_INFO, "Recevied %d bytes", len);
hexdump(buf,len);
}
}
-static void recv_mode(int s)
+static void recv_mode(int sk)
{
struct timeval tv_beg,tv_end,tv_diff;
long total;
uint32_t seq;
- int opt, optl;
+ socklen_t optlen;
+ int opt;
syslog(LOG_INFO,"Receiving ...");
@@ -431,19 +490,19 @@ static void recv_mode(int s)
uint16_t l;
int i, r;
- if ((r = recv(s, buf, data_size, 0)) <= 0) {
+ if ((r = recv(sk, buf, data_size, 0)) <= 0) {
if (r < 0) {
if (reliable && (errno == ECOMM)) {
syslog(LOG_INFO, "L2CAP Error ECOMM - clearing error and continuing.\n");
- optl = sizeof(opt);
- if (getsockopt(s, SOL_SOCKET, SO_ERROR, &opt, &optl ) < 0) { // Clear error
- syslog(LOG_ERR, "Couldn't getsockopt(SO_ERROR): %s (%d)\n",
+ optlen = sizeof(opt);
+ if (getsockopt(sk, SOL_SOCKET, SO_ERROR, &opt, &optlen) < 0) {
+ syslog(LOG_ERR, "Couldn't getsockopt(SO_ERROR): %s (%d)",
strerror(errno), errno);
return;
}
continue;
} else {
- syslog(LOG_ERR, "Read failed. %s(%d)",
+ syslog(LOG_ERR, "Read failed: %s (%d)",
strerror(errno), errno);
}
}
@@ -482,7 +541,7 @@ static void recv_mode(int s)
}
}
-static void send_mode(int s)
+static void send_mode(int sk)
{
uint32_t seq;
int i;
@@ -498,20 +557,20 @@ static void send_mode(int s)
*(uint16_t *) (buf + 4) = htobs(data_size);
seq++;
- if (send(s, buf, data_size, 0) <= 0) {
+ if (send(sk, buf, data_size, 0) <= 0) {
syslog(LOG_ERR, "Send failed: %s (%d)", strerror(errno), errno);
exit(1);
}
}
syslog(LOG_INFO, "Closing channel ...");
- if (shutdown(s, SHUT_RDWR) < 0)
+ if (shutdown(sk, SHUT_RDWR) < 0)
syslog(LOG_INFO, "Close failed: %m");
else
syslog(LOG_INFO, "Done");
}
-static void senddump_mode(int s)
+static void senddump_mode(int sk)
{
uint32_t seq;
int i;
@@ -527,13 +586,13 @@ static void senddump_mode(int s)
*(uint16_t *) (buf + 4) = htobs(data_size);
seq++;
- if (send(s, buf, data_size, 0) <= 0) {
+ if (send(sk, buf, data_size, 0) <= 0) {
syslog(LOG_ERR, "Send failed: %s (%d)", strerror(errno), errno);
exit(1);
}
}
- dump_mode(s);
+ dump_mode(sk);
}
static void reconnect_mode(char *svr)