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listen: moved code to listen_add_host()

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Split code from the rather large function listen_add_config_param(),
part 3.
This commit is contained in:
Max Kellermann 2009-02-24 18:29:53 +01:00
parent 33749e7ea9
commit 739c23cca5
1 changed files with 78 additions and 58 deletions
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136
src/listen.c
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@ -214,6 +214,83 @@ listen_add_port(unsigned int port, GError **error)
#endif /* HAVE_TCP */
}
/**
* Resolves a host name, and adds listeners on all addresses in the
* result set.
*
* @param hostname the host name to be resolved
* @param port the TCP port
* @param error location to store the error occuring, or NULL to ignore errors
* @return true on success
*/
static bool
listen_add_host(const char *hostname, unsigned port, GError **error)
{
#ifdef HAVE_TCP
#ifndef WIN32
struct addrinfo hints, *ai, *i;
char service[20];
int ret;
bool success;
g_debug("binding to address for %s", hostname);
memset(&hints, 0, sizeof(hints));
hints.ai_flags = AI_PASSIVE;
#ifdef AI_ADDRCONFIG
hints.ai_flags |= AI_ADDRCONFIG;
#endif
hints.ai_family = PF_UNSPEC;
hints.ai_socktype = SOCK_STREAM;
hints.ai_protocol = IPPROTO_TCP;
g_snprintf(service, sizeof(service), "%u", port);
ret = getaddrinfo(hostname, service, &hints, &ai);
if (ret != 0) {
g_set_error(error, listen_quark(), ret,
"Failed to look up host \"%s\": %s",
hostname, gai_strerror(ret));
return false;
}
for (i = ai; i != NULL; i = i->ai_next) {
success = listen_add_address(i->ai_family, i->ai_addr,
i->ai_addrlen, error);
if (!success)
return false;
}
freeaddrinfo(ai);
return true;
#else /* WIN32 */
const struct hostent *he;
g_debug("binding to address for %s", param->value);
he = gethostbyname(param->value);
if (he == NULL) {
g_set_error(error, listen_quark(), 0,
"Failed to look up host \"%s\"", hostname);
return false;
}
if (he->h_addrtype != AF_INET)
g_error("IPv4 address expected for host \"%s\" at line %i",
param->value, param->line);
return listen_add_address(AF_INET, he->h_addr, he->h_length,
error);
#endif /* !WIN32 */
#else /* HAVE_TCP */
g_set_error(error, listen_quark(), 0,
"TCP support is disabled");
return false;
#endif /* HAVE_TCP */
}
#ifdef HAVE_UN
/**
* Add a listener on a Unix domain socket.
@ -256,8 +333,6 @@ listen_add_config_param(unsigned int port,
const struct config_param *param,
GError **error)
{
bool success;
if (!param || 0 == strcmp(param->value, "any")) {
return listen_add_port(port, error);
#ifdef HAVE_UN
@ -265,62 +340,7 @@ listen_add_config_param(unsigned int port,
return listen_add_path(param->value, error);
#endif /* HAVE_UN */
} else {
#ifdef HAVE_TCP
#ifndef WIN32
struct addrinfo hints, *ai, *i;
char service[20];
int ret;
g_debug("binding to address for %s", param->value);
memset(&hints, 0, sizeof(hints));
hints.ai_flags = AI_PASSIVE;
#ifdef AI_ADDRCONFIG
hints.ai_flags |= AI_ADDRCONFIG;
#endif
hints.ai_family = PF_UNSPEC;
hints.ai_socktype = SOCK_STREAM;
hints.ai_protocol = IPPROTO_TCP;
g_snprintf(service, sizeof(service), "%u", port);
ret = getaddrinfo(param->value, service, &hints, &ai);
if (ret != 0)
g_error("can't lookup host \"%s\" at line %i: %s",
param->value, param->line, gai_strerror(ret));
for (i = ai; i != NULL; i = i->ai_next) {
success = listen_add_address(i->ai_family, i->ai_addr,
i->ai_addrlen, error);
if (!success)
return false;
}
freeaddrinfo(ai);
return true;
#else /* WIN32 */
const struct hostent *he;
g_debug("binding to address for %s", param->value);
he = gethostbyname(param->value);
if (he == NULL)
g_error("can't lookup host \"%s\" at line %i",
param->value, param->line);
if (he->h_addrtype != AF_INET)
g_error("IPv4 address expected for host \"%s\" at line %i",
param->value, param->line);
return listen_add_address(AF_INET, he->h_addr, he->h_length,
error);
#endif /* !WIN32 */
#else /* HAVE_TCP */
g_set_error(error, listen_quark(), 0,
"TCP support is disabled");
return false;
#endif /* HAVE_TCP */
return listen_add_host(param->value, port, error);
}
}