void* remoteConfigThread(void* param)
{
RemoteConfigImpl* self = (RemoteConfigImpl*)param;
while(!self->base.requestExit) {
struct timeval to = {0, 1000};
if (httpdGetConnection(self->base.http, &to) <= 0)
continue;
if(httpdReadRequest(self->base.http) < 0) {
httpdEndRequest(self->base.http);
continue;
}
remoteConfigLockImpl(self);
httpdProcessRequest(self->base.http);
remoteConfigUnlockImpl(self);
httpdEndRequest(self->base.http);
}
return nullptr;
}
int main( int argc, char *argv[])
{
httpd *server;
/*
** Create a server and setup our logging
*/
server = httpdCreate(NULL,1234);
if (server == NULL)
{
perror("Can't create server");
exit(1);
}
httpdSetAccessLog(server, stdout);
httpdSetErrorLog(server, stderr);
/*
** Setup some content for the server
*/
httpdAddCContent(server,"/", "dummy", HTTP_TRUE, NULL, dummy_html);
httpdSetFileBase(server, "/home/prabinb/queralyzer/queralyzerUI/");
httpdAddFileContent(server, "/", "index.html", HTTP_TRUE, NULL, "index.html" );
httpdAddWildcardContent(server, "/css", NULL, "css");
httpdAddWildcardContent(server, "/img", NULL, "img");
httpdAddWildcardContent(server, "/js", NULL, "js");
httpdAddWildcardContent(server, "/js/lib", NULL, "js/lib");
httpdAddWildcardContent(server, "/bootstrap", NULL, "bootstrap");
httpdAddWildcardContent(server, "/bootstrap/css", NULL, "bootstrap/css");
httpdAddWildcardContent(server, "/bootstrap/img", NULL, "bootstrap/img");
httpdAddWildcardContent(server, "/bootstrap/js", NULL, "bootstrap/js");
httpdAddCContent(server,"/", "query", HTTP_TRUE, NULL, query_html);
httpdAddCContent(server,"/", "tablemetadata", HTTP_TRUE, NULL, table_data_html);
httpdAddCContent(server,"/", "indexmetadata", HTTP_TRUE, NULL, index_data_html);
/*
** Go into our service loop
*/
while(1 == 1)
{
if (httpdGetConnection(server, 0) < 0)
continue;
if(httpdReadRequest(server) < 0)
{
httpdEndRequest(server);
continue;
}
else
{
httpdProcessRequest(server);
httpdEndRequest(server);
}
}
}
/** Main request handling thread.
@param args Two item array of void-cast pointers to the httpd and request struct
*/
void
thread_httpd(void *args)
{
void **params;
httpd *webserver;
request *r;
params = (void **)args;
webserver = *params;
r = *(params + 1);
free(params); /* XXX We must release this ourselves. */
if (httpdReadRequest(webserver, r) == 0) {
/*
* We read the request fine
*/
debug(LOG_DEBUG, "Processing request from %s", r->clientAddr);
debug(LOG_DEBUG, "Calling httpdProcessRequest() for %s", r->clientAddr);
//前面有通过函数httpdAddCContent设置访问页面的回调函数..如果请求的不是页面没有设置，
//那就会调用404错误...
//该函数httpdSetErrorFunction会设定404错误的回调函数.
httpdProcessRequest(webserver, r);
debug(LOG_DEBUG, "Returned from httpdProcessRequest() for %s", r->clientAddr);
}
else {
debug(LOG_DEBUG, "No valid request received from %s", r->clientAddr);
}
debug(LOG_DEBUG, "Closing connection with %s", r->clientAddr);
httpdEndRequest(r);
}
/**@internal
* Main execution loop
*/
static void
main_loop(void)
{
int result;
pthread_t tid;
s_config *config = config_get_config();
request *r;
void **params;
/* Set the time when wifidog started */
if (!started_time) {
debug(LOG_INFO, "Setting started_time");
started_time = time(NULL);
} else if (started_time < MINIMUM_STARTED_TIME) {
debug(LOG_WARNING, "Detected possible clock skew - re-setting started_time");
started_time = time(NULL);
}
/* If we don't have the Gateway IP address, get it. Can't fail. */
if (!config->gw_address) {
debug(LOG_DEBUG, "Finding IP address of %s", config->gw_interface);
if ((config->gw_address = get_iface_ip(config->gw_interface)) == NULL) {
debug(LOG_ERR, "Could not get IP address information of %s, exiting...", config->gw_interface);
exit(1);
}
debug(LOG_DEBUG, "%s = %s", config->gw_interface, config->gw_address);
}
/* If we don't have the Gateway ID, construct it from the internal MAC address.
* "Can't fail" so exit() if the impossible happens. */
if (!config->gw_id) {
debug(LOG_DEBUG, "Finding MAC address of %s", config->gw_interface);
if ((config->gw_id = get_iface_mac(config->gw_interface)) == NULL) {
debug(LOG_ERR, "Could not get MAC address information of %s, exiting...", config->gw_interface);
exit(1);
}
debug(LOG_DEBUG, "%s = %s", config->gw_interface, config->gw_id);
}
/* Initializes the web server */
debug(LOG_NOTICE, "Creating web server on %s:%d", config->gw_address, config->gw_port);
if ((webserver = httpdCreate(config->gw_address, config->gw_port)) == NULL) {
debug(LOG_ERR, "Could not create web server: %s", strerror(errno));
exit(1);
}
register_fd_cleanup_on_fork(webserver->serverSock);
debug(LOG_DEBUG, "Assigning callbacks to web server");
httpdAddCContent(webserver, "/", "wifidog", 0, NULL, http_callback_wifidog);
httpdAddCContent(webserver, "/wifidog", "", 0, NULL, http_callback_wifidog);
httpdAddCContent(webserver, "/wifidog", "about", 0, NULL, http_callback_about);
httpdAddCContent(webserver, "/wifidog", "status", 0, NULL, http_callback_status);
httpdAddCContent(webserver, "/wifidog", "auth", 0, NULL, http_callback_auth);
httpdAddCContent(webserver, "/wifidog", "disconnect", 0, NULL, http_callback_disconnect);
httpdSetErrorFunction(webserver, 404, http_callback_404);
/* Reset the firewall (if WiFiDog crashed) */
fw_destroy();
/* Then initialize it */
if (!fw_init()) {
debug(LOG_ERR, "FATAL: Failed to initialize firewall");
exit(1);
}
/* Start clean up thread */
result = pthread_create(&tid_fw_counter, NULL, (void *)thread_client_timeout_check, NULL);
if (result != 0) {
debug(LOG_ERR, "FATAL: Failed to create a new thread (fw_counter) - exiting");
termination_handler(0);
}
pthread_detach(tid_fw_counter);
/* Start control thread */
result = pthread_create(&tid, NULL, (void *)thread_wdctl, (void *)safe_strdup(config->wdctl_sock));
if (result != 0) {
debug(LOG_ERR, "FATAL: Failed to create a new thread (wdctl) - exiting");
termination_handler(0);
}
pthread_detach(tid);
/* Start heartbeat thread */
result = pthread_create(&tid_ping, NULL, (void *)thread_ping, NULL);
if (result != 0) {
debug(LOG_ERR, "FATAL: Failed to create a new thread (ping) - exiting");
termination_handler(0);
}
pthread_detach(tid_ping);
debug(LOG_NOTICE, "Waiting for connections");
while (1) {
r = httpdGetConnection(webserver, NULL);
/* We can't convert this to a switch because there might be
* values that are not -1, 0 or 1. */
if (webserver->lastError == -1) {
/* Interrupted system call */
if (NULL != r) {
httpdEndRequest(r);
}
} else if (webserver->lastError < -1) {
/*
* FIXME
* An error occurred - should we abort?
* reboot the device ?
*/
debug(LOG_ERR, "FATAL: httpdGetConnection returned unexpected value %d, exiting.", webserver->lastError);
termination_handler(0);
} else if (r != NULL) {
/*
* We got a connection
*
* We should create another thread
*/
debug(LOG_INFO, "Received connection from %s, spawning worker thread", r->clientAddr);
/* The void**'s are a simulation of the normal C
* function calling sequence. */
params = safe_malloc(2 * sizeof(void *));
*params = webserver;
*(params + 1) = r;
result = pthread_create(&tid, NULL, (void *)thread_httpd, (void *)params);
if (result != 0) {
debug(LOG_ERR, "FATAL: Failed to create a new thread (httpd) - exiting");
termination_handler(0);
}
pthread_detach(tid);
} else {
/* webserver->lastError should be 2 */
/* XXX We failed an ACL.... No handling because
* we don't set any... */
}
}
/* never reached */
}