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raop: connect TCP socket

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Connect to the server TCP socket in TCP mode.
Use getaddrinfo to resolve hostname.
This commit is contained in:
Wim Taymans 2021-11-13 21:00:24 +01:00
parent ceeaf6c2f9
commit c03d10296b
2 changed files with 87 additions and 44 deletions
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61
src/modules/module-raop/rtsp-client.c
View file

@ -388,51 +388,52 @@ error:
int pw_rtsp_client_connect(struct pw_rtsp_client *client,
const char *hostname, uint16_t port, const char *session_id)
{
struct sockaddr_in my_addr, dest_addr;
struct hostent *h;
int fd;
struct addrinfo hints;
struct addrinfo *result, *rp;
int res, fd;
char port_str[12];
if (client->source != NULL)
pw_rtsp_client_disconnect(client);
pw_log_info("%p: connect %s:%u", client, hostname, port);
fd = socket(AF_INET, SOCK_STREAM | SOCK_CLOEXEC | SOCK_NONBLOCK, 0);
if (fd < 0)
return -errno;
spa_zero(my_addr);
my_addr.sin_addr.s_addr = htonl(INADDR_ANY);
my_addr.sin_family = AF_INET;
my_addr.sin_port = 0;
memset(&hints, 0, sizeof(hints));
hints.ai_family = AF_UNSPEC;
hints.ai_socktype = SOCK_STREAM;
hints.ai_flags = 0;
hints.ai_protocol = 0;
if (bind(fd, (struct sockaddr *) &my_addr, sizeof(my_addr)) < 0) {
pw_log_error("%p: bind failed: %m", client);
close(fd);
return -errno;
spa_scnprintf(port_str, sizeof(port_str), "%u", port);
if ((res = getaddrinfo(hostname, port_str, &hints, &result)) != 0) {
pw_log_error("getaddrinfo: %s", gai_strerror(res));
return -EINVAL;
}
for (rp = result; rp != NULL; rp = rp->ai_next) {
fd = socket(rp->ai_family,
rp->ai_socktype | SOCK_CLOEXEC | SOCK_NONBLOCK,
rp->ai_protocol);
if (fd == -1)
continue;
h = gethostbyname(hostname);
if (h != NULL) {
dest_addr.sin_family = h->h_addrtype;
memcpy((char*) &dest_addr.sin_addr.s_addr, h->h_addr_list[0], h->h_length);
} else {
dest_addr.sin_family = AF_INET;
if ((dest_addr.sin_addr.s_addr = inet_addr(hostname)) == 0xFFFFFFFF)
return -1;
}
dest_addr.sin_port = htons(port);
res = connect(fd, rp->ai_addr, rp->ai_addrlen);
if (res == 0 || (res < 0 && errno == EINPROGRESS))
break;
if (connect(fd, (struct sockaddr *)&dest_addr, sizeof(struct sockaddr)) < 0) {
if (errno != EINPROGRESS) {
pw_log_error("%p: connect failed: %m", client);
close(fd);
return -errno;
}
close(fd);
}
freeaddrinfo(result);
if (rp == NULL) {
pw_log_error("Could not connect to %s:%u", hostname, port);
return -EINVAL;
}
client->source = pw_loop_add_io(client->loop, fd,
SPA_IO_IN | SPA_IO_OUT | SPA_IO_HUP | SPA_IO_ERR,
true, on_source_io, client);
if (client->source == NULL) {
pw_log_error("%p: source create failed: %m", client);
close(fd);