#include "actuator.h"
#include "control.h"
#include "options.h"
+ #include "image.h"
-/**The time period (in seconds) before the control key expires @ */
+/**The time period (in seconds) before the control key expires */
#define CONTROL_TIMEOUT 180
/**Contextual information related to FCGI requests*/
*/
static void IdentifyHandler(FCGIContext *context, char *params) {
bool ident_sensors = false, ident_actuators = false;
- //const char *key, *value;
int i;
FCGIValue values[2] = {{"sensors", &ident_sensors, FCGI_BOOL_T},
{"actuators", &ident_actuators, FCGI_BOOL_T}};
-
if (!FCGI_ParseRequest(context, params, values, 2))
return;
- /*while ((params = FCGI_KeyPair(params, &key, &value))) {
- if (!strcmp(key, "sensors")) {
- ident_sensors = !ident_sensors;
- } else if (!strcmp(key, "actuators")) {
- ident_actuators = !ident_actuators;
- }
- }*/
-
FCGI_BeginJSON(context, STATUS_OK);
FCGI_JSONPair("description", "MCTX3420 Server API (2013)");
FCGI_JSONPair("build_date", __DATE__ " " __TIME__);
* @param context The context to work in
* @param force Whether to force key generation or not.
*/
-void FCGI_BeginControl(FCGIContext *context, bool force) {
+void FCGI_LockControl(FCGIContext *context, bool force) {
time_t now = time(NULL);
bool expired = now - context->control_timestamp > CONTROL_TIMEOUT;
* Revokes the current control key, if present.
* @param context The context to work in
*/
-void FCGI_EndControl(FCGIContext *context) {
+void FCGI_ReleaseControl(FCGIContext *context) {
*(context->control_key) = 0;
FCGI_BeginJSON(context, STATUS_OK);
FCGI_EndJSON();
}
/**
- * Aids in parsing request parameters. Expected keys along with their type
- * and whether or not they're required are provided. This function will then
- * parse the parameter string to find these keys.
+ * Aids in parsing request parameters.
+ * Input: The expected keys along with their type and whether or not
+ * they're required.
* @param context The context to work in
* @param params The parameter string to be parsed
* @param values An array of FCGIValue's that specify expected keys
long parsed = strtol(value, &ptr, 10);
if (!*value || *ptr) {
snprintf(buf, BUFSIZ, "Expected int for '%s' but got '%s'", key, value);
- FCGI_RejectJSON(context, FCGI_EscapeJSON(buf));
+ FCGI_RejectJSON(context, buf);
return false;
}
if (FCGI_TYPE(val->flags) == FCGI_INT_T)
- *((int*) val->value) = parsed;
+ *((int*) val->value) = (int) parsed;
else
*((long*) val->value) = parsed;
} break;
*((double*) val->value) = strtod(value, &ptr);
if (!*value || *ptr) {
snprintf(buf, BUFSIZ, "Expected float for '%s' but got '%s'", key, value);
- FCGI_RejectJSON(context, FCGI_EscapeJSON(buf));
+ FCGI_RejectJSON(context, buf);
return false;
}
break;
} //End for loop
if (i == count) {
snprintf(buf, BUFSIZ, "Unknown key '%s' specified", key);
- FCGI_RejectJSON(context, FCGI_EscapeJSON(buf));
+ FCGI_RejectJSON(context, buf);
return false;
}
}
printf("\r\n}\r\n");
}
-/**
- * Escapes a string so it can be used as a JSON string value.
- * Does not support unicode specifiers in the form of \uXXXX.
- * @param buf The string to be escaped
- * @return The escaped string (return value == buf)
- */
-char *FCGI_EscapeJSON(char *buf)
-{
- int length, i;
- length = strlen(buf);
-
- //Escape special characters. Must count down to escape properly
- for (i = length - 1; i >= 0; i--) {
- if (buf[i] < 0x20) { //Control characters
- buf[i] = ' ';
- } else if (buf[i] == '"') {
- if (i-1 >= 0 && buf[i-1] == '\\')
- i--;
- else
- buf[i] = '\'';
- } else if (buf[i] == '\\') {
- if (i-1 >= 0 && buf[i-1] == '\'')
- i--;
- else
- buf[i] = ' ';
- }
- }
- return buf;
-}
-
/**
* To be used when the input parameters are rejected. The return data
* will also have debugging information provided.
FCGI_BeginJSON(context, status);
FCGI_JSONPair("description", description);
FCGI_JSONLong("responsenumber", context->response_number);
- FCGI_JSONPair("params", getenv("QUERY_STRING"));
+ //FCGI_JSONPair("params", getenv("QUERY_STRING"));
FCGI_JSONPair("host", getenv("SERVER_HOSTNAME"));
FCGI_JSONPair("user", getenv("REMOTE_USER"));
FCGI_JSONPair("ip", getenv("REMOTE_ADDR"));
va_end(list);
}
+
+ /**
+ * Write binary data
+ * See fwrite
+ */
+ void FCGI_WriteBinary(void * data, size_t size, size_t num_elem)
+ {
+ Log(LOGDEBUG,"Writing!");
+ fwrite(data, size, num_elem, stdout);
+ }
+
+/**
+ * Escapes a string so it can be used safely.
+ * Currently escapes to ensure the validity for use as a JSON string
+ * Does not support unicode specifiers in the form of \uXXXX.
+ * @param buf The string to be escaped
+ * @return The escaped string (return value == buf)
+ */
+char *FCGI_EscapeText(char *buf)
+{
+ int length, i;
+ length = strlen(buf);
+
+ //Escape special characters. Must count down to escape properly
+ for (i = length - 1; i >= 0; i--) {
+ if (buf[i] < 0x20) { //Control characters
+ buf[i] = ' ';
+ } else if (buf[i] == '"') {
+ if (i-1 >= 0 && buf[i-1] == '\\')
+ i--;
+ else
+ buf[i] = '\'';
+ } else if (buf[i] == '\\') {
+ if (i-1 >= 0 && buf[i-1] == '\'')
+ i--;
+ else
+ buf[i] = ' ';
+ }
+ }
+ return buf;
+}
+
/**
* Main FCGI request loop that receives/responds to client requests.
* @param data Reserved.
if (lastchar > 0 && module[lastchar] == '/')
module[lastchar] = 0;
+ //Escape all special characters
+ FCGI_EscapeText(params);
+
//Default to the 'identify' module if none specified
if (!*module)
strcpy(module, "identify");
module_handler = Sensor_Handler;
} else if (!strcmp("actuators", module)) {
module_handler = Actuator_Handler;
+ } else if (!strcmp("image", module)) {
+ module_handler = Image_Handler;
}
context.current_module = module;
STATUS_OK = 1,
STATUS_ERROR = -1,
STATUS_UNAUTHORIZED = -2,
- STATUS_OUTOFRANGE = -3
+ STATUS_NOTRUNNING = -3,
+ STATUS_ALREADYEXISTS = -4
} StatusCodes;
#define FCGI_PARAM_REQUIRED (1 << 0)
typedef struct FCGIContext FCGIContext;
typedef void (*ModuleHandler) (FCGIContext *context, char *params);
-extern void FCGI_BeginControl(FCGIContext *context, bool force);
-extern void FCGI_EndControl(FCGIContext *context);
+extern void FCGI_LockControl(FCGIContext *context, bool force);
+extern void FCGI_ReleaseControl(FCGIContext *context);
extern bool FCGI_HasControl(FCGIContext *context, const char *key);
extern char *FCGI_KeyPair(char *in, const char **key, const char **value);
extern bool FCGI_ParseRequest(FCGIContext *context, char *params, FCGIValue values[], size_t count);
extern void FCGI_JSONKey(const char *key);
extern void FCGI_PrintRaw(const char *format, ...);
extern void FCGI_EndJSON();
-extern char *FCGI_EscapeJSON(char *buf);
extern void FCGI_RejectJSONEx(FCGIContext *context, StatusCodes status, const char *description);
+extern char *FCGI_EscapeText(char *buf);
extern void *FCGI_RequestLoop (void *data);
+ extern void FCGI_WriteBinary(void * data, size_t size, size_t num_elem);
+
/**
* Shortcut to calling FCGI_RejectJSONEx. Sets the error code
* to STATUS_ERROR.
git.ucc.asn.au / matches / MCTX3420.git / commitdiff
UCC git Repository :: git.ucc.asn.au