PARCBuffer *
makePayload(const CCNxName *interestName, const char *commandString)
{
char *commandToExecute;
char *nameAsString = ccnxName_ToString(interestName);
int failure = asprintf(&commandToExecute, commandString, nameAsString);
assertTrue(failure > -1, "Error asprintf");
parcMemory_Deallocate((void **) &nameAsString);
PARCBufferComposer *accumulator = parcBufferComposer_Create();
FILE *fp = popen(commandToExecute, "r");
if (fp != NULL) {
unsigned char buffer[1024];
while (feof(fp) == 0) {
size_t length = fread(buffer, sizeof(char), sizeof(buffer), fp);
parcBufferComposer_PutArray(accumulator, buffer, length);
}
pclose(fp);
} else {
parcBufferComposer_PutString(accumulator, "Cannot execute: ");
parcBufferComposer_PutString(accumulator, commandString);
}
PARCBuffer *payload = parcBufferComposer_ProduceBuffer(accumulator);
parcBufferComposer_Release(&accumulator);
return payload;
}
static PARCBufferComposer *
_buildStringString(const PARCJSONValue *value, PARCBufferComposer *composer, bool compact)
{
parcBufferComposer_PutChar(composer, '"');
while (parcBuffer_Remaining(value->value.string)) {
uint8_t c = parcBuffer_GetUint8(value->value.string);
if (c == '"') {
parcBufferComposer_PutString(composer, "\\\"");
} else if (c == '\b') {
parcBufferComposer_PutString(composer, "\\b");
} else if (c == '\f') {
parcBufferComposer_PutString(composer, "\\f");
} else if (c == '\n') {
parcBufferComposer_PutString(composer, "\\n");
} else if (c == '\r') {
parcBufferComposer_PutString(composer, "\\r");
} else if (c == '\t') {
parcBufferComposer_PutString(composer, "\\t");
} else if ((c == '/') && !compact) {
parcBufferComposer_PutString(composer, "\\/");
} else if (c == '\\') {
parcBufferComposer_PutString(composer, "\\\\");
} else {
parcBufferComposer_PutChar(composer, c);
}
}
parcBuffer_Rewind(value->value.string);
parcBufferComposer_PutChar(composer, '"');
return composer;
}
PARCBufferComposer *
ccnxPortalAnchor_Serialize(const CCNxPortalAnchor *namePrefix, PARCBufferComposer *composer)
{
PARCJSON *json = ccnxPortalAnchor_ToJSON(namePrefix);
char *string = parcJSON_ToString(json);
parcBufferComposer_PutString(composer, string);
parcMemory_Deallocate(&string);
parcJSON_Release(&json);
return composer;
}
PARCBufferComposer *
parcJSONValue_BuildString(const PARCJSONValue *value, PARCBufferComposer *composer, bool compact)
{
parcJSONValue_OptionalAssertValid(value);
if (value->type == PARCJSONValueType_Boolean) {
parcBufferComposer_PutString(composer, value->value.boolean ? "true" : "false");
} else if (value->type == PARCJSONValueType_String) {
_buildStringString(value, composer, compact);
} else if (value->type == PARCJSONValueType_Number) {
_buildStringNumber(value, composer);
} else if (value->type == PARCJSONValueType_Array) {
parcJSONArray_BuildString(value->value.array, composer, compact);
} else if (value->type == PARCJSONValueType_JSON) {
parcJSON_BuildString(value->value.object, composer, compact);
} else if (value->type == PARCJSONValueType_Null) {
parcBufferComposer_PutString(composer, "null");
} else {
trapIllegalValue(value->type, "Unknown value type: %d", value->type);
}
return composer;
}
