implement some TODOs, add malloc checks and logging

r1984 | dcl | 2007-05-25 16:12:10 +1000 (Fri, 25 May 2007) | 2 lines
This commit is contained in:
Douglas Clowes
2007-05-25 16:12:10 +10:00
parent 64918f0a45
commit f70233d55d
2 changed files with 68 additions and 19 deletions

View File

@ -48,7 +48,7 @@ int defaultHandleInput(pAsyncProtocol p, pAsyncTxn txn, int ch) {
}
int defaultHandleEvent(pAsyncProtocol p, pAsyncTxn txn, int event) {
/* TODO: handle the event */
/* TODO: what could or should we do to handle the event */
return AQU_POP_CMD;
}
@ -73,12 +73,20 @@ int defaultPrepareTxn(pAsyncProtocol p, pAsyncTxn txn, const char* cmd, int cmd_
if (term[state] == 0) {
/* outgoing command is correctly terminated */
txn->out_buf = malloc(cmd_len + 1);
if (txn->out_buf == NULL) {
SICSLogWrite("Out of memory in AsyncProtocol::defaultPrepareTxn", eError);
return 0;
}
memcpy(txn->out_buf, cmd, cmd_len + 1);
}
else {
/* outgoing command is NOT correctly terminated */
int tlen = strlen(term);
txn->out_buf = malloc(cmd_len + tlen + 1);
if (txn->out_buf == NULL) {
SICSLogWrite("Out of memory in AsyncProtocol::defaultPrepareTxn", eError);
return 0;
}
memcpy(txn->out_buf, cmd, cmd_len);
memcpy(txn->out_buf + cmd_len, term, tlen + 1);
cmd_len += tlen;
@ -86,6 +94,12 @@ int defaultPrepareTxn(pAsyncProtocol p, pAsyncTxn txn, const char* cmd, int cmd_
txn->out_len = cmd_len;
txn->out_idx = 0;
txn->inp_buf = malloc(rsp_len);
if (txn->inp_buf == NULL) {
SICSLogWrite("Out of memory in AsyncProtocol::defaultPrepareTxn", eError);
free(txn->out_buf);
txn->out_buf = NULL;
return 0;
}
txn->inp_len = rsp_len;
txn->inp_idx = 0;
txn->txn_state = 0;
@ -149,8 +163,10 @@ static char *decodeTerminator(char *code)
return NULL;
count = strlen(code);
pResult = (char *) malloc(count + 1);
if (!pResult)
if (!pResult) {
SICSLogWrite("Out of memory in AsyncProtocol::decodeTerminator", eError);
return NULL;
}
memset(pResult, 0, count + 1);
pCh = pResult;
@ -217,7 +233,7 @@ int AsyncProtocolAction(SConnection *pCon, SicsInterp *pSics,
}
return 1;
}
if (strcasecmp(argv[1], "replyterminator") == 0) {
else if (strcasecmp(argv[1], "replyterminator") == 0) {
if (argc > 2) {
char* pPtr = decodeTerminator(argv[2]);
if (pPtr) {
@ -238,13 +254,23 @@ int AsyncProtocolAction(SConnection *pCon, SicsInterp *pSics,
return 1;
}
}
/* TODO: other actions */
else if (strcasecmp(argv[1], "list") == 0) {
int ac = 2;
char* av[3] = { argv[0], 0, 0 };
av[1] = "sendterminator";
AsyncProtocolAction(pCon, pSics, pData, ac, av);
av[1] = "replyterminator";
AsyncProtocolAction(pCon, pSics, pData, ac, av);
return 1;
}
/* handle any other actions here */
return AsyncProtocolNoAction(pCon, pSics, pData, argc,argv);
}
void defaultKillPrivate(pAsyncProtocol p) {
if (p->privateData) {
/* TODO: anything? */
/* TODO: should we do anything? */
free(p->privateData);
}
}
@ -252,7 +278,6 @@ void AsyncProtocolKill(void *pData) {
pAsyncProtocol self = (pAsyncProtocol) pData;
if(self->pDes)
DeleteDescriptor(self->pDes);
/* TODO: more destruction maybe */
if(self->sendTerminator != NULL)
free(self->sendTerminator);
if(self->replyTerminator != NULL)
@ -274,7 +299,7 @@ pAsyncProtocol AsyncProtocolCreate(SicsInterp *pSics, const char* protocolName,
self = (pAsyncProtocol) malloc(sizeof(AsyncProtocol));
if (self == NULL) {
/* TODO */
SICSLogWrite("Out of memory in AsyncProtocolCreate", eError);
return NULL;
}
memset(self, 0, sizeof(AsyncProtocol));
@ -285,7 +310,7 @@ pAsyncProtocol AsyncProtocolCreate(SicsInterp *pSics, const char* protocolName,
pKFunc = AsyncProtocolKill;
iRet = AddCommand(pSics, protocolName, pFunc, pKFunc, self);
if (!iRet ) {
/* TODO */
SICSLogWrite("AddCommand failed in AsyncProtocolCreate", eError);
AsyncProtocolKill(self);
return NULL;
}
@ -307,7 +332,7 @@ int AsyncProtocolFactory(SConnection *pCon, SicsInterp *pSics,
}
pAsyncProtocol pNew = AsyncProtocolCreate(pSics, argv[1],
AsyncProtocolAction, AsyncProtocolKill);
/* TODO: handle arguments */
/* handle any extra arguments here */
pNew->privateData = NULL;
return 1;
}

View File

@ -181,7 +181,7 @@ static int StartCommand(pAsyncQueue self)
char reply[1];
int iRet;
iRet = NETRead(sock, reply, 1, 0);
if (iRet < 0) { /* TODO: EOF */
if (iRet < 0) { /* EOF */
iRet = AQ_Reconnect(self);
if (iRet == 0)
return 0;
@ -306,7 +306,7 @@ static int MyCallback(void* context, int mode)
char reply[1];
iRet = NETRead(self->pSock, reply, 1, 0);
if (iRet < 0) { /* TODO: EOF */
if (iRet < 0) { /* EOF */
iRet = AQ_Reconnect(self);
if (iRet <= 0)
return iRet;
@ -342,7 +342,10 @@ int AsyncUnitEnqueHead(pAsyncUnit unit, pAsyncTxn context)
assert(unit && unit->queue && unit->queue->protocol);
myCmd = (pAQ_Cmd) malloc(sizeof(AQ_Cmd));
/* TODO: check malloc */
if (myCmd == NULL) {
SICSLogWrite("ERROR: Out of memory in AsyncUnitEnqueHead", eError);
return 0;
}
memset(myCmd, 0, sizeof(AQ_Cmd));
myCmd->tran = context;
myCmd->unit = unit;
@ -358,7 +361,10 @@ int AsyncUnitEnqueueTxn(pAsyncUnit unit, pAsyncTxn pTxn)
assert(unit && unit->queue && unit->queue->protocol);
myCmd = (pAQ_Cmd) malloc(sizeof(AQ_Cmd));
/* TODO: check malloc */
if (myCmd == NULL) {
SICSLogWrite("ERROR: Out of memory in AsyncUnitEnqueueTxn", eError);
return 0;
}
memset(myCmd, 0, sizeof(AQ_Cmd));
myCmd->tran = pTxn;
myCmd->unit = unit;
@ -377,7 +383,10 @@ pAsyncTxn AsyncUnitPrepareTxn(pAsyncUnit unit,
assert(unit);
myTxn = (pAsyncTxn) malloc(sizeof(AsyncTxn));
assert(myTxn);
if (myTxn == NULL) {
SICSLogWrite("ERROR: Out of memory in AsyncUnitPrepareTxn", eError);
return 0;
}
memset(myTxn, 0, sizeof(AsyncTxn));
if (unit->queue->protocol->prepareTxn) {
int iRet;
@ -385,6 +394,11 @@ pAsyncTxn AsyncUnitPrepareTxn(pAsyncUnit unit,
}
else {
myTxn->out_buf = (char*) malloc(cmd_len + 5);
if (myTxn->out_buf == NULL) {
SICSLogWrite("ERROR: Out of memory in AsyncUnitPrepareTxn", eError);
free(myTxn);
return 0;
}
memcpy(myTxn->out_buf, command, cmd_len);
myTxn->out_len = cmd_len;
if (myTxn->out_len < 2 ||
@ -399,6 +413,12 @@ pAsyncTxn AsyncUnitPrepareTxn(pAsyncUnit unit,
myTxn->inp_buf = NULL;
else {
myTxn->inp_buf = malloc(rsp_len + 1);
if (myTxn->inp_buf == NULL) {
SICSLogWrite("ERROR: Out of memory in AsyncUnitPrepareTxn", eError);
free(myTxn->out_buf);
free(myTxn);
return 0;
}
memset(myTxn->inp_buf, 0, rsp_len + 1);
}
myTxn->inp_len = rsp_len;
@ -477,7 +497,7 @@ int AsyncUnitWrite(pAsyncUnit unit, void* buffer, int buflen)
sock = AsyncUnitGetSocket(unit);
iRet = NETWrite(sock, buffer, buflen);
/* TODO handle errors */
if (iRet < 0) { /* TODO: EOF */
if (iRet < 0) { /* EOF */
iRet = AQ_Reconnect(unit->queue);
if (iRet == 0)
return 0;
@ -708,7 +728,7 @@ static pAsyncQueue AQ_Create(const char* host, const char* port)
}
if (self == NULL) {
channel = NETConnectWithFlags(host, port_no, 0);
/* TODO */
/* TODO handle asynchronous connection */
}
}
}
@ -738,7 +758,7 @@ static pAsyncQueue AQ_Create(const char* host, const char* port)
static int AQ_Init(pAsyncQueue self)
{
/* TODO: Init the controller */
/* Init the controller */
if (self->nw_ctx == NULL)
NetWatchRegisterCallback(&self->nw_ctx,
self->pSock->sockid,
@ -830,7 +850,7 @@ int AsyncQueueFactory(SConnection *pCon, SicsInterp *pSics,
SCWrite(pCon, line, eError);
}
}
/* TODO: asynchronous connection */
/* TODO: implement asynchronous connection */
channel = NETConnectWithFlags(argv[3], port_no, 0);
}
@ -895,7 +915,11 @@ int AsyncUnitCreateHost(const char* host, const char* port, pAsyncUnit* handle)
status = AQ_Init(self);
unit = (pAsyncUnit) malloc(sizeof(AsyncUnit));
/* TODO: check malloc failure */
if (unit == NULL) {
SICSLogWrite("ERROR: Out of memory in AsyncUnitCreateHost", eError);
*handle = NULL;
return 0;
}
memset(unit, 0, sizeof(AsyncUnit));
++self->unit_count;
unit->queue = self;