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Diffstat (limited to 'desiredata/src/u_pdsend.c')
-rw-r--r--desiredata/src/u_pdsend.c138
1 files changed, 138 insertions, 0 deletions
diff --git a/desiredata/src/u_pdsend.c b/desiredata/src/u_pdsend.c
new file mode 100644
index 00000000..3efa1479
--- /dev/null
+++ b/desiredata/src/u_pdsend.c
@@ -0,0 +1,138 @@
+/* Copyright (c) 2000 Miller Puckette.
+* For information on usage and redistribution, and for a DISCLAIMER OF ALL
+* WARRANTIES, see the file, "LICENSE.txt," in the Pd distribution. */
+
+/* the "pdsend" command. This is a standalone program that forwards messages
+from its standard input to Pd via the netsend/netreceive ("FUDI") protocol. */
+
+#include <sys/types.h>
+#include <string.h>
+#include <stdio.h>
+#include <errno.h>
+#include <stdlib.h>
+#ifdef MSW
+#include <winsock.h>
+#else
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <netinet/tcp.h>
+#include <netdb.h>
+#include <stdio.h>
+#include <unistd.h>
+#define SOCKET_ERROR -1
+#endif
+
+void sockerror(char *s);
+void x_closesocket(int fd);
+#define BUFSIZE 4096
+
+int main(int argc, char **argv)
+{
+ int sockfd, portno, protocol;
+ struct sockaddr_in server;
+ struct hostent *hp;
+ char *hostname;
+#ifdef MSW
+ short version = MAKEWORD(2, 0);
+ WSADATA nobby;
+#endif
+ if (argc < 2 || sscanf(argv[1], "%d", &portno) < 1 || portno <= 0)
+ goto usage;
+ if (argc >= 3)
+ hostname = argv[2];
+ else hostname = "127.0.0.1";
+ if (argc >= 4)
+ {
+ if (!strcmp(argv[3], "tcp"))
+ protocol = SOCK_STREAM;
+ else if (!strcmp(argv[3], "udp"))
+ protocol = SOCK_DGRAM;
+ else goto usage;
+ }
+ else protocol = SOCK_STREAM;
+#ifdef MSW
+ if (WSAStartup(version, &nobby)) sockerror("WSAstartup");
+#endif
+
+ sockfd = socket(AF_INET, protocol, 0);
+ if (sockfd < 0)
+ {
+ sockerror("socket()");
+ exit(1);
+ }
+ /* connect socket using hostname provided in command line */
+ server.sin_family = AF_INET;
+ hp = gethostbyname(hostname);
+ if (hp == 0)
+ {
+ fprintf(stderr, "%s: unknown host\n", hostname);
+ x_closesocket(sockfd);
+ exit(1);
+ }
+ memcpy((char *)&server.sin_addr, (char *)hp->h_addr, hp->h_length);
+
+ /* assign client port number */
+ server.sin_port = htons((unsigned short)portno);
+
+ /* try to connect. */
+ if (connect(sockfd, (struct sockaddr *) &server, sizeof (server)) < 0)
+ {
+ sockerror("connect");
+ x_closesocket(sockfd);
+ exit(1);
+ }
+
+ /* now loop reading stdin and sending it to socket */
+ while (1)
+ {
+ char buf[BUFSIZE], *bp;
+ unsigned int nsent, nsend;
+ if (!fgets(buf, BUFSIZE, stdin))
+ break;
+ nsend = strlen(buf);
+ for (bp = buf, nsent = 0; nsent < nsend;)
+ {
+ int res = send(sockfd, buf, nsend-nsent, 0);
+ if (res < 0)
+ {
+ sockerror("send");
+ goto done;
+ }
+ nsent += res;
+ bp += res;
+ }
+ }
+done:
+ if (ferror(stdin))
+ perror("stdin");
+ exit (0);
+usage:
+ fprintf(stderr, "usage: pdsend <portnumber> [host] [udp|tcp]\n");
+ fprintf(stderr, "(default is localhost and tcp)\n");
+ exit(1);
+}
+
+void sockerror(char *s)
+{
+#ifdef MSW
+ int err = WSAGetLastError();
+ if (err == 10054) return;
+ else if (err == 10044)
+ {
+ fprintf(stderr,
+ "Warning: you might not have TCP/IP \"networking\" turned on\n");
+ }
+#else
+ int err = errno;
+#endif
+ fprintf(stderr, "%s: %s (%d)\n", s, strerror(err), err);
+}
+
+void x_closesocket(int fd)
+{
+#ifdef MSW
+ closesocket(fd);
+#else
+ close(fd);
+#endif
+}