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Added skeletton for having px_info list in each Nsock IOD.

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When establishing the tunnel through proxy chain, we need to track status of
each proxy (storing R/W buffers, stats, retries...).

This patch lets proxies store and manage whatever structure they want to have
for this in a Nsock IOD. Since types can differ between proxy types, the
proxy_info are stored as a list of void *, ordered like the proxy nodes.
This commit is contained in:
henri
2013-04-22 19:31:30 +00:00
parent 21327ee56c
commit 4d5bb41361
3 changed files with 114 additions and 42 deletions
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45
nsock/src/proxy_http.c
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@@ -61,9 +61,16 @@
#define DEFAULT_PROXY_PORT_HTTP "8080"
struct http_proxy_info {
void *dummy;
};
/* --- PROXY INTERFACE PROTOTYPES --- */
static void proxy_http_init(struct proxy_node *proxy, char *proxystr);
/* ---- PROTOTYPES ---- */
static int proxy_http_node_new(struct proxy_node **node, char *proxystr);
static void proxy_http_node_delete(struct proxy_node *node);
static int proxy_http_info_new(void **info);
static void proxy_http_info_delete(void *info);
static void proxy_http_handler(nsock_pool nspool, nsock_event nsevent, void *udata);
static nsock_event_id proxy_http_connect_tcp(nsock_pool nsp, nsock_iod ms_iod, nsock_ev_handler handler,
int timeout_msecs, void *userdata, struct sockaddr *saddr,
@@ -76,7 +83,10 @@ static char *proxy_http_decode(const char *src, size_t len, size_t *dlen);
const struct proxy_op proxy_http_ops = {
.prefix = "http://",
.type = PROXY_TYPE_HTTP,
.init = proxy_http_init,
.node_new = proxy_http_node_new,
.node_delete = proxy_http_node_delete,
.info_new = proxy_http_info_new,
.info_delete = proxy_http_info_delete,
.handler = proxy_http_handler,
.connect_tcp = proxy_http_connect_tcp,
.encode = proxy_http_encode,
@@ -84,10 +94,12 @@ const struct proxy_op proxy_http_ops = {
};
void proxy_http_init(struct proxy_node *proxy, char *proxystr) {
int proxy_http_node_new(struct proxy_node **node, char *proxystr) {
struct sockaddr_in *sin;
struct proxy_node *proxy;
char *strhost, *strport, *saveptr;
proxy = (struct proxy_node *)safe_zalloc(sizeof(struct proxy_node));
proxy->ops = &proxy_http_ops;
strhost = strtok_r(proxystr + 7, ":", &saveptr);
@@ -101,6 +113,31 @@ void proxy_http_init(struct proxy_node *proxy, char *proxystr) {
proxy->sslen = sizeof(struct sockaddr_in);
proxy->port = (unsigned short)atoi(strport);
*node = proxy;
return 1;
}
void proxy_http_node_delete(struct proxy_node *node) {
if (node)
free(node);
}
int proxy_http_info_new(void **info) {
struct http_proxy_info *pxi;
pxi = (struct http_proxy_info *)safe_zalloc(sizeof(struct http_proxy_info));
pxi->dummy = NULL; // TODO
*info = pxi;
return 1;
}
void proxy_http_info_delete(void *info) {
if (info)
free(info);
}
void proxy_http_handler(nsock_pool nspool, nsock_event nsevent, void *udata) {