120 lines
3.4 KiB
C
120 lines
3.4 KiB
C
// standard library includes
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#include <stdio.h>
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#include <string.h>
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// unix includes
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#include <sys/socket.h>
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#include <sys/un.h>
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#include <unistd.h>
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// local includes
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#include "common_constants.h"
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void print_usage(char *name) {
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printf("Usage:\n");
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printf(" %s\n", name);
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printf(" [--start-recording \n");
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printf(" | --stop-recording\n");
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printf(" | --start-streaming\n");
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printf(" | --stop-streaming\n");
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printf(" | --get-status]\n");
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}
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void cleanup_data_socket(int *data_socket) {
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if (*data_socket >= 0) {
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close(*data_socket);
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}
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}
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int main(int argc, char **argv) {
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UnixSocketEventType type = UNIX_SOCKET_EVENT_NOP;
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if (argc == 2) {
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if (strncmp(argv[1], "--start-recording", 17) == 0) {
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type = UNIX_SOCKET_EVENT_START_RECORDING;
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} else if (strncmp(argv[1], "--stop-recording", 16) == 0) {
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type = UNIX_SOCKET_EVENT_STOP_RECORDING;
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} else if (strncmp(argv[1], "--start-streaming", 17) == 0) {
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type = UNIX_SOCKET_EVENT_START_STREAMING;
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} else if (strncmp(argv[1], "--stop-streaming", 16) == 0) {
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type = UNIX_SOCKET_EVENT_STOP_STREAMING;
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} else if (strncmp(argv[1], "--get-status", 12) == 0) {
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type = UNIX_SOCKET_EVENT_GET_STATUS;
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} else {
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puts("ERROR: Invalid arg!");
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print_usage(argv[0]);
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return 2;
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}
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} else {
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print_usage(argv[0]);
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return 1;
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}
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struct sockaddr_un addr;
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int ret;
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__attribute__((cleanup(cleanup_data_socket))) int data_socket = -1;
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char send_buf = (char)type;
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char buffer[8];
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memset(buffer, 0, sizeof(buffer));
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data_socket = socket(AF_UNIX, SOCK_SEQPACKET, 0);
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if (data_socket == -1) {
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// Error. TODO handle this.
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return 3;
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}
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memset(&addr, 0, sizeof(addr));
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addr.sun_family = AF_UNIX;
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strncpy(addr.sun_path,
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UNIX_SOCKET_HANDLER_SOCKET_NAME,
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sizeof(addr.sun_path) - 1);
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ret = connect(data_socket, (const struct sockaddr*) &addr, sizeof(addr));
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if (ret == -1) {
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// Error. TODO handle this.
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return 4;
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}
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ret = write(data_socket, &send_buf, 1);
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if (ret == -1) {
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// Error. TODO handle this.
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return 5;
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}
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ret = read(data_socket, buffer, sizeof(buffer));
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if (ret == -1 || ret < 8) {
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return 6;
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}
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if (type == UNIX_SOCKET_EVENT_GET_STATUS && buffer[0] == UNIX_SOCKET_EVENT_GET_STATUS) {
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printf("Is recording: %s\nIs streaming: %s\n",
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(buffer[1] & 1) != 0 ? "true" : "false",
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(buffer[1] & 2) != 0 ? "true" : "false");
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} else if (buffer[0] != UNIX_SOCKET_EVENT_NOP) {
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// Error. TODO handle this.
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return 7;
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} else {
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switch(type) {
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case UNIX_SOCKET_EVENT_START_RECORDING:
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puts("Sent event \"start recording\"!");
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break;
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case UNIX_SOCKET_EVENT_STOP_RECORDING:
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puts("Sent event \"stop recording\"!");
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break;
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case UNIX_SOCKET_EVENT_START_STREAMING:
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puts("Sent event \"start streaming\"!");
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break;
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case UNIX_SOCKET_EVENT_STOP_STREAMING:
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puts("Sent event \"stop streaming\"!");
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break;
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default:
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// Error. TODO handle this
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return 8;
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}
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}
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return 0;
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}
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