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%make-client-socket compiles

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Justin Ethier 2016-09-23 22:15:15 -04:00
parent 765d2fb663
commit 163c2cdfc8
1 changed files with 67 additions and 24 deletions
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91
srfi/106.sld
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@ -5,6 +5,7 @@
(include-c-header "<netinet/in.h>") (include-c-header "<netinet/in.h>")
(include-c-header "<arpa/inet.h>") (include-c-header "<arpa/inet.h>")
(include-c-header "<netdb.h>") (include-c-header "<netdb.h>")
(include-c-header "<unistd.h>")
(import (scheme base)) (import (scheme base))
(export (export
make-client-socket make-server-socket socket? make-client-socket make-server-socket socket?
@ -28,39 +29,81 @@
) )
(begin (begin
;; TODO: identifier for socket in vector ;; TODO: identifier for socket in vector
(define *socket-object-type* 'socket-object-type)
;; see: http://gnosis.cx/publish/programming/sockets.html ;; see:
;; http://gnosis.cx/publish/programming/sockets.html
;; http://beej.us/guide/bgnet/output/html/multipage/getaddrinfoman.html
(define-c %make-client-socket (define-c %make-client-socket
"(void *data, int argc, closure _, object k, "(void *data, int argc, closure _, object k,
object node, object service, object anode, object aservice,
object family, object socktype, object family, object socktype,
object flags, object protocol)" object aflags, object protocol)"
;; TODO: how to pack socket objects? " int sockfd = 0;
;; can we put sock fd in a vector, along with an identifier? //struct sockaddr_in addr;
" int sock; struct addrinfo hints, *servinfo, *p;
struct sockaddr_in addr; const char *node = string_str(anode),
int af = obj_obj2int(family), *service = string_str(aservice);
int rv,
flags = obj_obj2int(aflags),
af = obj_obj2int(family),
type = obj_obj2int(socktype), type = obj_obj2int(socktype),
proto = obj_obj2int(protocol); proto = obj_obj2int(protocol);
// TODO: put trace statement here make_pair(sockobj, quote_socket_91object_91type, NULL);
// TODO: type check args to this function
if ((sock = socket(af, type, proto)) < 0) { memset(&hints, 0, sizeof hints);
Cyc_rt_raise_msg(data, \"Failed to create socket\"); hints.ai_flags = flags;
hints.ai_family = af;
hints.ai_socktype = type;
hints.ai_protocol = proto;
if ((rv = getaddrinfo(node, service, &hints, &servinfo)) != 0) {
char buffer[1024];
snprintf(buffer, 1023, \"getaddrinfo: %s\", gai_strerror(rv));
Cyc_rt_raise_msg(data, buffer);
} }
memset(&addr 0, sizeof(addr)); /* Clear struct */
// TODO: flags? // loop through all the results and connect to the first we can
addr = af; for(p = servinfo; p != NULL; p = p->ai_next) {
addr = inet_addr(string_str(node)); /* IP address */ if ((sockfd = socket(p->ai_family, p->ai_socktype,
addr = htons(obj_obj2int(service)); /* server port */ p->ai_protocol)) == -1) {
/* Establish connection */ //perror(\"socket\");
if (connect(sock, continue;
(struct sockaddr *) &addr }
sizeof(addr)) < 0) {
Cyc_rt_raise_msg(data, \"Failed to connect with server\"); if (connect(sockfd, p->ai_addr, p->ai_addrlen) == -1) {
//perror(\"socket\");
close(sockfd);
continue;
}
break; // if we get here, we must have connected successfully
} }
// TODO: pack socket, and pass that to k. check code in Cyc_make_vector
return_closcall1(data, k, obj_int2obj()); ") if (p == NULL) {
// looped off the end of the list with no connection
Cyc_rt_raise_msg(data, \"failed to connect client socket\");
}
freeaddrinfo(servinfo); // all done with this structure
// if ((sock = socket(af, type, proto)) < 0) {
// Cyc_rt_raise_msg(data, \"Failed to create socket\");
// }
// memset(&addr, 0, sizeof(addr)); /* Clear struct */
// // TODO: flags?
// addr.sin_family = af;
// addr.sin_addr.s_addr = inet_addr(string_str(node)); /* IP address */
// addr.sin_port = htons(obj_obj2int(service)); /* server port */
// /* Establish connection */
// if (connect(sock,
// (struct sockaddr *) &addr,
// sizeof(addr)) < 0) {
// Cyc_rt_raise_msg(data, \"Failed to connect with server\");
// }
cdr(&sockobj) = obj_int2obj(sockfd);
return_closcall1(data, k, &sockobj); ")
(define-syntax make-const (define-syntax make-const
(er-macro-transformer (er-macro-transformer