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bluetooth: clean up rfcomm_write usage

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Part-of: <https://gitlab.freedesktop.org/pulseaudio/pulseaudio/-/merge_requests/491>
This commit is contained in:
Igor V. Kovalenko 2021-02-18 21:08:21 +03:00 • committed by Igor Kovalenko
parent 0a36c1544d
commit 45d896f8eb
1 changed files with 22 additions and 47 deletions
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69
src/modules/bluetooth/backend-native.c
View file

@ -139,27 +139,28 @@ static pa_dbus_pending* send_and_add_to_pending(pa_bluetooth_backend *backend, D
return p;
}
static void rfcomm_write(int fd, const char *str)
static void rfcomm_write(int fd, const char *fmt, ...)
{
va_list ap;
size_t len;
char buf[512];
char command[512];
pa_log_debug("RFCOMM >> %s", str);
sprintf(buf, "\r\n%s\r\n", str);
len = write(fd, buf, strlen(buf));
va_start(ap, fmt);
pa_vsnprintf(command, sizeof(command), fmt, ap);
va_end(ap);
if (len != strlen(buf))
pa_log_debug("RFCOMM >> %s", command);
len = pa_snprintf(buf, sizeof(buf), "\r\n%s\r\n", command);
/* we ignore any errors, it's not critical and real errors should
* be caught with the HANGUP and ERROR events handled above */
if ((size_t)write(fd, buf, len) != len)
pa_log_error("RFCOMM write error: %s", pa_cstrerror(errno));
}
static void hfp_send_features(int fd)
{
char buf[512];
sprintf(buf, "+BRSF: %d", hfp_features);
rfcomm_write(fd, buf);
}
static int sco_do_connect(pa_bluetooth_transport *t) {
pa_bluetooth_device *d = t->device;
struct sockaddr_sco addr;
@ -423,7 +424,7 @@ static bool hfp_rfcomm_handle(int fd, pa_bluetooth_transport *t, const char *buf
if (c->state == 0 && sscanf(buf, "AT+BRSF=%d", &val) == 1) {
c->capabilities = val;
pa_log_info("HFP capabilities returns 0x%x", val);
hfp_send_features(fd);
rfcomm_write(fd, "+BRSF: %d", hfp_features);
c->state = 1;
return true;
} else if (c->state == 1 && pa_startswith(buf, "AT+CIND=?")) {
@ -440,7 +441,7 @@ static bool hfp_rfcomm_handle(int fd, pa_bluetooth_transport *t, const char *buf
c->state = 3;
return true;
} else if ((c->state == 2 || c->state == 3) && pa_startswith(buf, "AT+CMER=")) {
rfcomm_write(fd, "\r\nOK\r\n");
rfcomm_write(fd, "OK");
c->state = 4;
transport_put(t);
return false;
@ -514,16 +515,8 @@ static void rfcomm_io_callback(pa_mainloop_api *io, pa_io_event *e, int fd, pa_i
do_reply = false;
}
if (do_reply) {
pa_log_debug("RFCOMM >> OK");
len = write(fd, "\r\nOK\r\n", 6);
/* we ignore any errors, it's not critical and real errors should
* be caught with the HANGUP and ERROR events handled above */
if (len < 0)
pa_log_error("RFCOMM write error: %s", pa_cstrerror(errno));
}
if (do_reply)
rfcomm_write(fd, "OK");
}
return;
@ -551,8 +544,6 @@ static void transport_destroy(pa_bluetooth_transport *t) {
static void set_speaker_gain(pa_bluetooth_transport *t, uint16_t gain) {
struct transport_data *trd = t->userdata;
char buf[512];
ssize_t len, written;
if (t->speaker_gain == gain)
return;
@ -563,23 +554,14 @@ static void set_speaker_gain(pa_bluetooth_transport *t, uint16_t gain) {
* the speaker gain. In the HS role, source and sink are swapped, so
* in this case we notify the AG that the microphone gain has changed */
if (t->profile == PA_BLUETOOTH_PROFILE_HSP_HS || t->profile == PA_BLUETOOTH_PROFILE_HFP_HF) {
len = sprintf(buf, "\r\n+VGS=%d\r\n", gain);
pa_log_debug("RFCOMM >> +VGS=%d", gain);
rfcomm_write(trd->rfcomm_fd, "+VGS=%d", gain);
} else {
len = sprintf(buf, "\r\nAT+VGM=%d\r\n", gain);
pa_log_debug("RFCOMM >> AT+VGM=%d", gain);
rfcomm_write(trd->rfcomm_fd, "AT+VGM=%d", gain);
}
written = write(trd->rfcomm_fd, buf, len);
if (written != len)
pa_log_error("RFCOMM write error: %s", pa_cstrerror(errno));
}
static void set_microphone_gain(pa_bluetooth_transport *t, uint16_t gain) {
struct transport_data *trd = t->userdata;
char buf[512];
ssize_t len, written;
if (t->microphone_gain == gain)
return;
@ -590,17 +572,10 @@ static void set_microphone_gain(pa_bluetooth_transport *t, uint16_t gain) {
* the microphone gain. In the HS role, source and sink are swapped, so
* in this case we notify the AG that the speaker gain has changed */
if (t->profile == PA_BLUETOOTH_PROFILE_HSP_HS || t->profile == PA_BLUETOOTH_PROFILE_HFP_HF) {
len = sprintf(buf, "\r\n+VGM=%d\r\n", gain);
pa_log_debug("RFCOMM >> +VGM=%d", gain);
rfcomm_write(trd->rfcomm_fd, "+VGM=%d", gain);
} else {
len = sprintf(buf, "\r\nAT+VGS=%d\r\n", gain);
pa_log_debug("RFCOMM >> AT+VGS=%d", gain);
rfcomm_write(trd->rfcomm_fd, "AT+VGS=%d", gain);
}
written = write (trd->rfcomm_fd, buf, len);
if (written != len)
pa_log_error("RFCOMM write error: %s", pa_cstrerror(errno));
}
static DBusMessage *profile_new_connection(DBusConnection *conn, DBusMessage *m, void *userdata) {