92 Return<void> AudioControl::debug(const hidl_handle& fd, const hidl_vec<hidl_string>& options) {  in debug()  argument
93     if (fd.getNativeHandle() == nullptr || fd->numFds == 0) {  in debug()
98     cmdDump(fd->data[0], options);  in debug()
102 void AudioControl::cmdDump(int fd, const hidl_vec<hidl_string>& options) {  in cmdDump()  argument
104         dump(fd);  in cmdDump()
110         cmdHelp(fd);  in cmdDump()
112         cmdRequestFocus(fd, options);  in cmdDump()
114         cmdAbandonFocus(fd, options);  in cmdDump()
116         dprintf(fd, "Invalid option: %s\n", option.c_str());  in cmdDump()
120 void AudioControl::dump(int fd) {  in dump()  argument
122         dprintf(fd, "No focus listener registered\n");  in dump()
124         dprintf(fd, "Focus listener registered\n");  in dump()
128 void AudioControl::cmdHelp(int fd) const {  in cmdHelp()
129     dprintf(fd, "Usage: \n\n");  in cmdHelp()
130     dprintf(fd, "[no args]: dumps focus listener status\n");  in cmdHelp()
131     dprintf(fd, "--help: shows this help\n");  in cmdHelp()
132     dprintf(fd,  in cmdHelp()
135     dprintf(fd,  in cmdHelp()
140 void AudioControl::cmdRequestFocus(int fd, const hidl_vec<hidl_string>& options) {  in cmdRequestFocus()  argument
141     if (!checkCallerHasWritePermissions(fd) || !checkArgumentsSize(fd, options, 3)) return;  in cmdRequestFocus()
145         dprintf(fd, "Non-integer usage provided with request: %s\n", options[1].c_str());  in cmdRequestFocus()
150         dprintf(fd, "Non-integer zoneId provided with request: %s\n", options[2].c_str());  in cmdRequestFocus()
155         dprintf(fd, "Non-integer focusGain provided with request: %s\n", options[3].c_str());  in cmdRequestFocus()
160         dprintf(fd, "Unable to request focus - no focus listener registered\n");  in cmdRequestFocus()
165     dprintf(fd, "Requested focus for usage %d, zoneId %d, and focusGain %d\n", usage, zoneId,  in cmdRequestFocus()
169 void AudioControl::cmdAbandonFocus(int fd, const hidl_vec<hidl_string>& options) {  in cmdAbandonFocus()  argument
170     if (!checkCallerHasWritePermissions(fd) || !checkArgumentsSize(fd, options, 2)) return;  in cmdAbandonFocus()
174         dprintf(fd, "Non-integer usage provided with abandon: %s\n", options[1].c_str());  in cmdAbandonFocus()
179         dprintf(fd, "Non-integer zoneId provided with abandon: %s\n", options[2].c_str());  in cmdAbandonFocus()
184         dprintf(fd, "Unable to abandon focus - no focus listener registered\n");  in cmdAbandonFocus()
189     dprintf(fd, "Abandoned focus for usage %d and zoneId %d\n", usage, zoneId);  in cmdAbandonFocus()
192 bool AudioControl::checkCallerHasWritePermissions(int fd) {  in checkCallerHasWritePermissions()  argument
196         dprintf(fd, "Must be root\n");  in checkCallerHasWritePermissions()
202 bool AudioControl::checkArgumentsSize(int fd, const hidl_vec<hidl_string>& options,  in checkArgumentsSize()  argument
209     dprintf(fd, "Invalid number of arguments: required %zu, got %zu\n", expectedSize, size);  in checkArgumentsSize()