147 lines
2.8 KiB
C
147 lines
2.8 KiB
C
/*
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* (c) 2013 Nicole Faerber, Siegen, Germany
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* licensed under GPLv2
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*/
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#include <stdio.h>
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#include <string.h>
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#include <unistd.h>
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#include <stdlib.h>
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#include <sys/select.h>
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#include <sys/time.h>
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <fcntl.h>
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#include <bluetooth/bluetooth.h>
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#include <bluetooth/l2cap.h>
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typedef enum {
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CMD_NULL = 0,
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CMD_INVAL,
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CMD_QUIT,
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} cmd_t;
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// replace "markups" with appropr. chars
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char *parse_buffer(char *inbuf, int *cmd)
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{
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int i,o;
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static char outbuf[240];
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memset(outbuf,0,240);
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*cmd = CMD_NULL;
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// if a line starts with a \ then it is an internal command
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if (inbuf[0] == '\\') {
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switch (inbuf[1]) {
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case 'q':
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*cmd = CMD_QUIT;
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break;
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default:
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*cmd = CMD_INVAL;
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break;
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}
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return NULL;
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}
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o=0;
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for (i=0; i<strlen(inbuf); i++) {
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if (inbuf[i] == '\\') {
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i++;
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if (inbuf[i] == 'n')
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outbuf[o++] = '\n';
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} else
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outbuf[o++] = inbuf[i];
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}
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return outbuf;
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}
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int main(int argc, char **argv)
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{
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struct sockaddr_l2 addr = { 0 };
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int s, status, len, i, cmd;
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char buf[255];
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char dest[18];
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char *out;
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fd_set infds;
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fd_set efds;
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if (argc < 2) {
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fprintf(stderr, "usage: %s <bt_addr>\n", argv[0]);
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exit(2);
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}
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strncpy(dest, argv[1], 18);
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// allocate a socket
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s = socket(AF_BLUETOOTH, SOCK_SEQPACKET, BTPROTO_L2CAP);
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// set the connection parameters (who to connect to)
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addr.l2_family = AF_BLUETOOTH;
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addr.l2_psm = htobs(0x1001);
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str2ba( dest, &addr.l2_bdaddr );
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// connect to server
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status = connect(s, (struct sockaddr *)&addr, sizeof(addr));
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// send a message
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if ( status != 0 ) {
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perror("open socket");
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close(s);
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return -1;
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}
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fprintf(stderr, "connected\n");
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if (fcntl(0, F_SETFL, O_NONBLOCK) != 0)
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perror("stdin nonblock");
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if (fcntl(s, F_SETFL, O_NONBLOCK) != 0)
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perror("socket nonblock");
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while (1) {
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FD_ZERO(&infds);
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FD_SET(s, &infds);
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FD_SET(0, &infds);
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FD_ZERO(&efds);
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FD_SET(s, &efds);
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status = select(s+1, &infds, NULL, &efds, NULL);
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// fprintf(stderr, "select = %d\n", status);
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if ( status > 0) {
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if (FD_ISSET(0, &infds)) {
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len = read(0, buf, 240);
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if (len > 0) {
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// status = write(s, buf, len);
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out = parse_buffer(buf, &cmd);
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if (cmd != CMD_NULL) {
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if (cmd == CMD_QUIT) {
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close(s);
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exit(0);
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}
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} else {
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len = strlen(out);
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status = write(s, out, len);
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if (status < 0)
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perror("write");
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fsync(s);
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}
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}
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} else if (FD_ISSET(s, &infds)) {
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len = read(s, buf, 240);
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// fprintf(stderr, "read = %d\n", len);
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for (i=0; i<len; i++)
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fprintf(stderr, "%c", buf[i]);
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// fprintf(stderr, "\n");
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} else if (FD_ISSET(s, &efds)) {
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fprintf(stderr, "e on socket\n");
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} else
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fprintf(stderr, "hu?");
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} else
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perror("select");
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};
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close(s);
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return 0;
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}
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