Generator& Generator::operator=(const Generator& other) {
auto const fp = other.actRec();
const size_t numSlots = fp->func()->numSlotsInFrame();
const size_t frameSz = Resumable::getFrameSize(numSlots);
const size_t genSz = genSize(sizeof(Generator), frameSz);
resumable()->initialize<true>(fp,
other.resumable()->resumeAddr(),
other.resumable()->resumeOffset(),
frameSz,
genSz);
copyVars(fp);
setState(other.getState());
m_index = other.m_index;
cellSet(other.m_key, m_key);
cellSet(other.m_value, m_value);
return *this;
}
/*
Start the CGI command program. This commences the CGI gateway program. This will be called after content for
form and upload requests (or if "RunHandler" before specified), otherwise it runs before receiving content data.
*/
static void startCgi(HttpQueue *q)
{
HttpRx *rx;
HttpTx *tx;
HttpRoute *route;
HttpConn *conn;
MprCmd *cmd;
Cgi *cgi;
cchar *baseName, **argv, *fileName, **envv;
ssize varCount;
int argc, count;
argv = 0;
argc = 0;
cgi = q->queueData;
conn = q->conn;
rx = conn->rx;
route = rx->route;
tx = conn->tx;
/*
The command uses the conn dispatcher. This serializes all I/O for both the connection and the CGI gateway.
*/
if ((cmd = mprCreateCmd(conn->dispatcher)) == 0) {
return;
}
cgi->cmd = cmd;
if (conn->http->forkCallback) {
cmd->forkCallback = conn->http->forkCallback;
cmd->forkData = conn->http->forkData;
}
argc = 1; /* argv[0] == programName */
buildArgs(conn, cmd, &argc, &argv);
fileName = argv[0];
baseName = mprGetPathBase(fileName);
/*
nph prefix means non-parsed-header. Don't parse the CGI output for a CGI header
*/
if (strncmp(baseName, "nph-", 4) == 0 ||
(strlen(baseName) > 4 && strcmp(&baseName[strlen(baseName) - 4], "-nph") == 0)) {
/* Pretend we've seen the header for Non-parsed Header CGI programs */
cgi->seenHeader = 1;
tx->flags |= HTTP_TX_USE_OWN_HEADERS;
}
/*
Build environment variables
*/
varCount = mprGetHashLength(rx->headers) + mprGetHashLength(rx->svars) + mprGetJsonLength(rx->params);
if ((envv = mprAlloc((varCount + 1) * sizeof(char*))) != 0) {
count = copyParams(conn, envv, 0, rx->params, route->envPrefix);
count = copyVars(conn, envv, count, rx->svars, "");
count = copyVars(conn, envv, count, rx->headers, "HTTP_");
assert(count <= varCount);
}
#if !VXWORKS
/*
This will be ignored on VxWorks because there is only one global current directory for all tasks
*/
mprSetCmdDir(cmd, mprGetPathDir(fileName));
#endif
mprSetCmdCallback(cmd, cgiCallback, cgi);
if (mprStartCmd(cmd, argc, argv, envv, MPR_CMD_IN | MPR_CMD_OUT | MPR_CMD_ERR) < 0) {
httpError(conn, HTTP_CODE_NOT_FOUND, "Cannot run CGI process: %s, URI %s", fileName, rx->uri);
return;
}
#if ME_WIN_LIKE
mprCreateEvent(conn->dispatcher, "cgi-win", 10, waitForCgi, cgi, MPR_EVENT_CONTINUOUS);
#endif
}
