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Created http response class and added error checking

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This commit is contained in:
Diego Waxemberg
2015-01-31 01:57:23 -05:00
parent 4224d02eae
commit e3e95c29f6
10 changed files with 401 additions and 313 deletions
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205
Limelight/Network/HttpManager.m
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@@ -26,207 +26,6 @@
static const NSString* PORT = @"47984";
+ (NSArray*) getAppListFromXML:(NSData*)xml {
xmlDocPtr docPtr = xmlParseMemory([xml bytes], (int)[xml length]);
if (docPtr == NULL) {
NSLog(@"ERROR: An error occured trying to parse xml.");
return NULL;
}
xmlNodePtr node;
xmlNodePtr rootNode = node = xmlDocGetRootElement(docPtr);
// Check root status_code
if (![HttpManager verifyStatus: rootNode]) {
NSLog(@"ERROR: Request returned with failure status");
xmlFreeDoc(docPtr);
return NULL;
}
// Skip the root node
node = node->children;
NSMutableArray* appList = [[NSMutableArray alloc] init];
while (node != NULL) {
//NSLog(@"node: %s", node->name);
if (!xmlStrcmp(node->name, (const xmlChar*)"App")) {
xmlNodePtr appInfoNode = node->xmlChildrenNode;
NSString* appName;
NSString* appId;
BOOL appIsRunning = NO;
while (appInfoNode != NULL) {
//NSLog(@"appInfoNode: %s", appInfoNode->name);
if (!xmlStrcmp(appInfoNode->name, (const xmlChar*)"AppTitle")) {
xmlChar* nodeVal = xmlNodeListGetString(docPtr, appInfoNode->xmlChildrenNode, 1);
appName = [[NSString alloc] initWithCString:(const char*)nodeVal encoding:NSUTF8StringEncoding];
xmlFree(nodeVal);
} else if (!xmlStrcmp(appInfoNode->name, (const xmlChar*)"ID")) {
xmlChar* nodeVal = xmlNodeListGetString(docPtr, appInfoNode->xmlChildrenNode, 1);
appId = [[NSString alloc] initWithCString:(const char*)nodeVal encoding:NSUTF8StringEncoding];
xmlFree(nodeVal);
} else if (!xmlStrcmp(appInfoNode->name, (const xmlChar*)"IsRunning")) {
xmlChar* nodeVal = xmlNodeListGetString(docPtr, appInfoNode->xmlChildrenNode, 1);
appIsRunning = [[[NSString alloc] initWithCString:(const char*)nodeVal encoding:NSUTF8StringEncoding] isEqualToString:@"1"];
xmlFree(nodeVal);
}
appInfoNode = appInfoNode->next;
}
App* app = [[App alloc] init];
app.appName = appName;
app.appId = appId;
app.isRunning = appIsRunning;
[appList addObject:app];
}
node = node->next;
}
xmlFreeDoc(docPtr);
return appList;
}
+ (void) populateHostFromXML:(NSData*)xml host:(Host*)host {
xmlDocPtr docPtr = xmlParseMemory([xml bytes], (int)[xml length]);
if (docPtr == NULL) {
NSLog(@"ERROR: An error occured trying to parse xml.");
return;
}
xmlNodePtr node;
xmlNodePtr rootNode = node = xmlDocGetRootElement(docPtr);
// Check root status_code
if (![HttpManager verifyStatus: rootNode]) {
NSLog(@"ERROR: Request returned with failure status");
xmlFreeDoc(docPtr);
return;
}
// Skip the root node
node = node->children;
while (node != NULL) {
//NSLog(@"node: %s", node->name);
if (!xmlStrcmp(node->name, (const xmlChar*)"hostname")) {
xmlChar* nodeVal = xmlNodeListGetString(docPtr, node->xmlChildrenNode, 1);
host.name = [[NSString alloc] initWithCString:(const char*)nodeVal encoding:NSUTF8StringEncoding];
xmlFree(nodeVal);
} else if (!xmlStrcmp(node->name, (const xmlChar*)"ExternalIP")) {
xmlChar* nodeVal = xmlNodeListGetString(docPtr, node->xmlChildrenNode, 1);
host.externalAddress = [[NSString alloc] initWithCString:(const char*)nodeVal encoding:NSUTF8StringEncoding];
xmlFree(nodeVal);
} else if (!xmlStrcmp(node->name, (const xmlChar*)"LocalIP")) {
xmlChar* nodeVal = xmlNodeListGetString(docPtr, node->xmlChildrenNode, 1);
host.localAddress = [[NSString alloc] initWithCString:(const char*)nodeVal encoding:NSUTF8StringEncoding];
xmlFree(nodeVal);
} else if (!xmlStrcmp(node->name, (const xmlChar*)"uniqueid")) {
xmlChar* nodeVal = xmlNodeListGetString(docPtr, node->xmlChildrenNode, 1);
host.uuid = [[NSString alloc] initWithCString:(const char*)nodeVal encoding:NSUTF8StringEncoding];
xmlFree(nodeVal);
} else if (!xmlStrcmp(node->name, (const xmlChar*)"mac")) {
xmlChar* nodeVal = xmlNodeListGetString(docPtr, node->xmlChildrenNode, 1);
host.mac = [[NSString alloc] initWithCString:(const char*)nodeVal encoding:NSUTF8StringEncoding];
xmlFree(nodeVal);
} else if (!xmlStrcmp(node->name, (const xmlChar*)"PairStatus")) {
xmlChar* nodeVal = xmlNodeListGetString(docPtr, node->xmlChildrenNode, 1);
host.pairState = [[[NSString alloc] initWithCString:(const char*)nodeVal encoding:NSUTF8StringEncoding] isEqualToString:@"1"] ? PairStatePaired : PairStateUnpaired;
xmlFree(nodeVal);
}
node = node->next;
}
xmlFreeDoc(docPtr);
}
+ (NSString*) getStatusStringFromXML:(NSData*)xml {
xmlDocPtr docPtr = xmlParseMemory([xml bytes], (int)[xml length]);
if (docPtr == NULL) {
NSLog(@"ERROR: An error occured trying to parse xml.");
return NULL;
}
NSString* string;
xmlNodePtr rootNode = xmlDocGetRootElement(docPtr);
if (rootNode == NULL) {
NSLog(@"ERROR: No root XML element.");
xmlFreeDoc(docPtr);
return NULL;
}
string = [HttpManager getStatusMessage: rootNode];
xmlFreeDoc(docPtr);
return string;
}
+ (NSString*) getStringFromXML:(NSData*)xml tag:(NSString*)tag {
xmlDocPtr docPtr = xmlParseMemory([xml bytes], (int)[xml length]);
if (docPtr == NULL) {
NSLog(@"ERROR: An error occured trying to parse xml.");
return NULL;
}
NSString* value;
xmlNodePtr node;
xmlNodePtr rootNode = node = xmlDocGetRootElement(docPtr);
// Check root status_code
if (![HttpManager verifyStatus: rootNode]) {
NSLog(@"ERROR: Request returned with failure status");
xmlFreeDoc(docPtr);
return NULL;
}
// Skip the root node
node = node->children;
while (node != NULL) {
//NSLog(@"node: %s", node->name);
if (!xmlStrcmp(node->name, (const xmlChar*)[tag UTF8String])) {
xmlChar* nodeVal = xmlNodeListGetString(docPtr, node->xmlChildrenNode, 1);
value = [[NSString alloc] initWithCString:(const char*)nodeVal encoding:NSUTF8StringEncoding];
xmlFree(nodeVal);
}
node = node->next;
}
//NSLog(@"xmlValue: %@", value);
xmlFreeDoc(docPtr);
return value;
}
+ (NSString*) getStatusMessage:(xmlNodePtr)docRoot {
xmlChar* statusMsgXml = xmlGetProp(docRoot, (const xmlChar*)"status_message");
NSString* statusMsg;
if (statusMsgXml != NULL) {
statusMsg = [NSString stringWithUTF8String:(const char*)statusMsgXml];
xmlFree(statusMsgXml);
}
else {
statusMsg = @"Server Error";
}
return statusMsg;
}
+ (bool) verifyStatus:(xmlNodePtr)docRoot {
xmlChar* statusStr = xmlGetProp(docRoot, (const xmlChar*)"status_code");
if (statusStr != NULL) {
int status = [[NSString stringWithUTF8String:(const char*)statusStr] intValue];
xmlFree(statusStr);
return status == 200;
}
return false;
}
+ (NSData*) fixXmlVersion:(NSData*) xmlData {
NSString* dataString = [[NSString alloc] initWithData:xmlData encoding:NSUTF8StringEncoding];
NSString* xmlString = [dataString stringByReplacingOccurrencesOfString:@"UTF-16" withString:@"UTF-8" options:NSCaseInsensitiveSearch range:NSMakeRange(0, [dataString length])];
@@ -247,14 +46,14 @@ static const NSString* PORT = @"47984";
return self;
}
- (NSData*) executeRequestSynchronously:(NSURLRequest*)request {
- (HttpResponse*) executeRequestSynchronously:(NSURLRequest*)request {
NSLog(@"Making Request: %@", request);
[_respData setLength:0];
dispatch_sync(dispatch_get_main_queue(), ^{
[NSURLConnection connectionWithRequest:request delegate:self];
});
dispatch_semaphore_wait(_requestLock, DISPATCH_TIME_FOREVER);
return _requestResp;
return [HttpResponse responseWithData:_requestResp];
}
- (void) executeRequest:(NSURLRequest*)request {