Add debug option to show http traffic

docs/README.pod

@@ -145,6 +145,10 @@ Try streaming if GFE version is unsupported
 
 Enable verbose output
 
+=item B<-debug>
+
+Enable verbose and debug output
+
 =item B<-input> [I<INPUT>]
 
 Enable the I<INPUT> device.

libgamestream/client.c

@@ -727,7 +727,7 @@ int gs_quit_app(PSERVER_DATA server) {
   return ret;
 }
 
-int gs_init(PSERVER_DATA server, char *address, const char *keyDirectory) {
+int gs_init(PSERVER_DATA server, char *address, const char *keyDirectory, int log_level) {
   mkdirtree(keyDirectory);
   if (load_unique_id(keyDirectory) != GS_OK)
     return GS_FAILED;
@@ -735,7 +735,7 @@ int gs_init(PSERVER_DATA server, char *address, const char *keyDirectory) {
   if (load_cert(keyDirectory))
     return GS_FAILED;
 
-  http_init(keyDirectory);
+  http_init(keyDirectory, log_level);
 
   LiInitializeServerInformation(&server->serverInfo);
   server->serverInfo.address = address;

libgamestream/client.h

@@ -40,7 +40,7 @@ typedef struct _SERVER_DATA {
   SERVER_INFORMATION serverInfo;
 } SERVER_DATA, *PSERVER_DATA;
 
-int gs_init(PSERVER_DATA server, char* address, const char *keyDirectory);
+int gs_init(PSERVER_DATA server, char* address, const char *keyDirectory, int logLevel);
 int gs_start_app(PSERVER_DATA server, PSTREAM_CONFIGURATION config, int appId, bool sops, bool localaudio);
 int gs_applist(PSERVER_DATA server, PAPP_LIST *app_list);
 int gs_unpair(PSERVER_DATA server);

libgamestream/http.c

@@ -20,6 +20,7 @@
 #include "http.h"
 #include "errors.h"
 
+#include <stdbool.h>
 #include <string.h>
 #include <curl/curl.h>
 
@@ -28,6 +29,8 @@ static CURL *curl;
 static const char *pCertFile = "./client.pem";
 static const char *pKeyFile = "./key.pem";
 
+static bool debug;
+
 static size_t _write_curl(void *contents, size_t size, size_t nmemb, void *userp)
 {
   size_t realsize = size * nmemb;
@@ -44,8 +47,9 @@ static size_t _write_curl(void *contents, size_t size, size_t nmemb, void *userp
   return realsize;
 }
 
-int http_init(const char* keyDirectory) {
+int http_init(const char* keyDirectory, int logLevel) {
   curl = curl_easy_init();
+  debug = logLevel >= 2;
   if (!curl)
     return GS_FAILED;
 
@@ -73,6 +77,9 @@ int http_request(char* url, PHTTP_DATA data) {
   curl_easy_setopt(curl, CURLOPT_WRITEDATA, data);
   curl_easy_setopt(curl, CURLOPT_URL, url);
 
+  if (debug)
+    printf("Request %s\n", url);
+
   if (data->size > 0) {
     free(data->memory);
     data->memory = malloc(1);
@@ -89,6 +96,9 @@ int http_request(char* url, PHTTP_DATA data) {
   } else if (data->memory == NULL) {
     return GS_OUT_OF_MEMORY;
   }
+
+  if (debug)
+    printf("Response:\n%s\n\n", data->memory);
   
   return GS_OK;
 }

libgamestream/http.h

@@ -29,7 +29,7 @@ typedef struct _HTTP_DATA {
   size_t size;
 } HTTP_DATA, *PHTTP_DATA;
 
-int http_init(const char* keyDirectory);
+int http_init(const char* keyDirectory, int logLevel);
 PHTTP_DATA http_create_data();
 int http_request(char* url, PHTTP_DATA data);
 void http_free_data(PHTTP_DATA data);

src/config.c

@@ -64,6 +64,7 @@ static struct option long_options[] = {
   {"codec", required_argument, NULL, 'x'},
   {"unsupported", no_argument, NULL, 'y'},
   {"verbose", no_argument, NULL, 'z'},
+  {"debug", no_argument, NULL, 'Z'},
   {0, 0, 0, 0},
 };
 
@@ -207,6 +208,9 @@ static void parse_argument(int c, char* value, PCONFIGURATION config) {
   case 'z':
     config->debug_level = 1;
     break;
+  case 'Z':
+    config->debug_level = 2;
+    break;
   case 1:
     if (config->action == NULL)
       config->action = value;

src/main.c

@@ -142,6 +142,7 @@ static void help() {
   printf("\t-config <config>\tLoad configuration file\n");
   printf("\t-save <config>\t\tSave configuration file\n");
   printf("\t-verbose\t\tEnable verbose output\n");
+  printf("\t-debug\t\t\tEnable verbose and debug output\n");
   printf("\n Streaming options\n\n");
   printf("\t-720\t\t\tUse 1280x720 resolution [default]\n");
   printf("\t-1080\t\t\tUse 1920x1080 resolution\n");
@@ -215,7 +216,7 @@ int main(int argc, char* argv[]) {
   printf("Connect to %s...\n", config.address);
 
   int ret;
-  if ((ret = gs_init(&server, config.address, config.key_dir)) == GS_OUT_OF_MEMORY) {
+  if ((ret = gs_init(&server, config.address, config.key_dir, config.debug_level)) == GS_OUT_OF_MEMORY) {
     fprintf(stderr, "Not enough memory\n");
     exit(-1);
   } else if (ret == GS_INVALID) {