SSERV_Info* SERV_CreateHttpInfoEx(ESERV_Type type, unsigned int host, unsigned short port, const char* path, const char* args, size_t add) { SSERV_Info* info; if (type & ~fSERV_Http) return 0; add += (path ? strlen(path) : 0) + 1 + (args ? strlen(args) : 0); if ((info = (SSERV_Info*) malloc(sizeof(SSERV_Info) + add + 1)) != 0) { info->type = type; info->host = host; info->port = port; info->sful = 0; info->locl = s_LocalServerDefault & 0x0F; info->time = 0; info->coef = 0.0; info->rate = 0.0; info->mime_t = eMIME_T_Undefined; info->mime_s = eMIME_Undefined; info->mime_e = eENCOD_None; info->flag = SERV_DEFAULT_FLAG; memset(&info->reserved, 0, sizeof(info->reserved)); info->quorum = 0; info->u.http.path = (TNCBI_Size) sizeof(info->u.http); info->u.http.args = (TNCBI_Size) (info->u.http.path + (path ? strlen(path) : 0) + 1); strcpy(SERV_HTTP_PATH(&info->u.http), path ? path : ""); strcpy(SERV_HTTP_ARGS(&info->u.http), args ? args : ""); } return info; }
static char* s_Http_Write(size_t reserve, const USERV_Info* u) { const SSERV_HttpInfo* info = &u->http; const char* path = SERV_HTTP_PATH(info); const char* args = SERV_HTTP_ARGS(info); char* str = (char*) malloc(reserve + strlen(path) + strlen(args) + 2); if (str) { int n = sprintf(str + reserve, "%s", path); if (*args) sprintf(str + reserve + n, "%s%s", &"?"[*args == '#'], args); } return str; }
static int run_a_test(size_t test_idx, int live, const char *svc, const char *hdr, int check_for_match, int exp_err, const char *mock_body_in, int repop, int reset) { const SSERV_Info *info = NULL; SConnNetInfo *net_info; SERV_ITER iter; const char *mock_body = NULL; char *mock_body_adj = NULL; int n_matches_perfect = 0, n_matches_near = 0; int success = 0, errors = 0; int retval = -1; s_n_hits_got = 0; /* Adjust mock data for current time, if necessary. */ adjust_mock_times(mock_body_in, &mock_body_adj); mock_body = mock_body_adj ? mock_body_adj : mock_body_in; /* Select the HTTP data source (live or mock). */ s_results[test_idx].live = live; if ( ! s_results[test_idx].live && ( ! mock_body || ! *mock_body)) { CORE_TRACE("Mock HTTP data source unavailable."); s_results[test_idx].live = 1; } if (s_results[test_idx].live) { CORE_TRACE("Using a live HTTP data source."); SERV_NAMERD_SetConnectorSource(NULL); /* use live HTTP */ } else { CORE_TRACE("Using a mock HTTP data source."); if ( ! SERV_NAMERD_SetConnectorSource(mock_body)) { CORE_LOG(eLOG_Error, "Unable to create mock HTTP data source."); retval = 1; goto out; } } /* Set up the server iterator. */ net_info = ConnNetInfo_Create(svc); if (*hdr) ConnNetInfo_SetUserHeader(net_info, hdr); iter = SERV_OpenP(svc, fSERV_All | (strpbrk(svc, "?*") ? fSERV_Promiscuous : 0), SERV_LOCALHOST, 0/*port*/, 0.0/*preference*/, net_info, 0/*skip*/, 0/*n_skip*/, 0/*external*/, 0/*arg*/, 0/*val*/); ConnNetInfo_Destroy(net_info); /* Fetch the server hits from namerd. */ if (iter) { for (; s_n_hits_got < MAX_HITS && (info = SERV_GetNextInfo(iter)); ++s_n_hits_got) { if (info->type & fSERV_Http) { CORE_LOGF(eLOG_Note, (" HTTP extra (path): %s", SERV_HTTP_PATH(&info->u.http))); } strcpy(s_hits_got[s_n_hits_got].type, SERV_TypeStr(info->type)); strcpy(s_hits_got[s_n_hits_got].xtra, (info->type & fSERV_Http) ? SERV_HTTP_PATH(&info->u.http) : ""); strcpy(s_hits_got[s_n_hits_got].loc , (info->site & fSERV_Local ) ? "yes" : "no"); strcpy(s_hits_got[s_n_hits_got].priv, (info->site & fSERV_Private ) ? "yes" : "no"); strcpy(s_hits_got[s_n_hits_got].stfl, (info->mode & fSERV_Stateful) ? "yes" : "no"); SOCK_ntoa(info->host, s_hits_got[s_n_hits_got].host, LEN_HOST); s_hits_got[s_n_hits_got].port = info->port; s_hits_got[s_n_hits_got].match = 0; char *info_str; info_str = SERV_WriteInfo(info); CORE_LOGF(eLOG_Note, (" Found server %d: %s", s_n_hits_got, info_str ? info_str : "?")); if (info_str) free(info_str); } /* Make sure endpoint data can be repopulated and reset. */ if (repop && s_n_hits_got) { /* repopulate */ CORE_LOG(eLOG_Trace, "Repopulating the service mapper."); if ( ! info && ! SERV_GetNextInfo(iter)) { CORE_LOG(eLOG_Error, "Unable to repopulate endpoint data."); errors = 1; } } if (reset && s_n_hits_got) { /* reset */ CORE_LOG(eLOG_Trace, "Resetting the service mapper."); SERV_Reset(iter); if ( ! SERV_GetNextInfo(iter)) { CORE_LOG(eLOG_Error, "No services found after reset."); errors = 1; } } SERV_Close(iter); } else { errors = 1; } /* Search for matches unless this is a standalone run. */ if (check_for_match) { /* Search for perfect matches first (order is unknown). */ int it_exp, it_got; for (it_got=0; it_got < s_n_hits_got; ++it_got) { for (it_exp=0; it_exp < s_n_hits_exp; ++it_exp) { if (s_hits_exp[it_exp].match) continue; /*if (check_match(fMatch_Default, it_exp, it_got)) {*/ if (check_match(fMatch_All, it_exp, it_got)) { CORE_LOGF(eLOG_Note, ( " Found server %d perfectly matched expected server " "%d.", it_got, it_exp)); s_hits_exp[it_exp].match = 1; s_hits_got[it_got].match = 1; ++n_matches_perfect; break; } } } /* If not all found, search again but exclude host:port from match. */ for (it_got=0; it_got < s_n_hits_got; ++it_got) { if (s_hits_got[it_got].match) continue; for (it_exp=0; it_exp < s_n_hits_exp; ++it_exp) { if (s_hits_exp[it_exp].match) continue; if (check_match(fMatch_NoHostPort, it_exp, it_got)) { CORE_LOGF(eLOG_Note, ( " Found server %d nearly matched expected server %d.", it_got, it_exp)); s_hits_exp[it_exp].match = 1; s_hits_got[it_got].match = 1; ++n_matches_near; log_match_diffs(it_exp, it_got); break; } } } /* List any non-matching servers. */ for (it_exp=0; it_exp < s_n_hits_exp; ++it_exp) { if ( ! s_hits_exp[it_exp].match) CORE_LOGF(eLOG_Note, ( " Expected server %d didn't match any found servers.", it_exp)); } for (it_got=0; it_got < s_n_hits_got; ++it_got) { if ( ! s_hits_got[it_got].match) CORE_LOGF(eLOG_Note, ( " Found server %d didn't match any expected servers.", it_got)); } CORE_LOGF(n_matches_perfect + n_matches_near == s_n_hits_got ? eLOG_Note : eLOG_Error, ("Expected %d servers; found %d (%d perfect matches, %d near " "matches, and %d non-matches).", s_n_hits_exp, s_n_hits_got, n_matches_perfect, n_matches_near, s_n_hits_got - n_matches_perfect - n_matches_near)); if (!errors && s_n_hits_got == s_n_hits_exp && s_n_hits_got == n_matches_perfect + n_matches_near) { success = 1; } retval = (success != exp_err ? 1 : 0); CORE_LOGF(eLOG_Note, ("Test result: %s.", retval ? (success ? "PASS" : "PASS (with expected error)") : (success ? "FAIL (success when error expected)" : "FAIL"))); } out: if (mock_body_adj) free(mock_body_adj); return retval == -1 ? (success != exp_err ? 1 : 0) : retval; }
static int/*bool*/ s_Http_Equal(const USERV_Info* u1, const USERV_Info* u2) { return strcmp(SERV_HTTP_PATH(&u1->http), SERV_HTTP_PATH(&u2->http)) == 0 && strcmp(SERV_HTTP_ARGS(&u1->http), SERV_HTTP_ARGS(&u2->http)) == 0; }
static size_t s_Http_SizeOf(const USERV_Info* u) { return sizeof(u->http) + strlen(SERV_HTTP_PATH(&u->http))+1 + strlen(SERV_HTTP_ARGS(&u->http))+1; }
static CONNECTOR s_Open(SServiceConnector* uuu, const STimeout* timeout, const SSERV_Info* info, SConnNetInfo* net_info, int/*bool*/ second_try) { int/*bool*/ but_last = 0/*false*/; const char* user_header; /* either "" or non-empty dynamic string */ char* iter_header; EReqMethod req_method; if (info && info->type != fSERV_Firewall) { /* Not a firewall/relay connection here */ assert(!second_try); /* We know the connection point, let's try to use it! */ if (info->type != fSERV_Standalone || !net_info->stateless) { SOCK_ntoa(info->host, net_info->host, sizeof(net_info->host)); net_info->port = info->port; } switch (info->type) { case fSERV_Ncbid: /* Connection directly to NCBID, add NCBID-specific tags */ if (net_info->stateless) { /* Connection request with data */ user_header = "Connection-Mode: STATELESS\r\n"; /*default*/ req_method = eReqMethod_Post; } else { /* We will be waiting for conn-info back */ user_header = "Connection-Mode: STATEFUL\r\n"; req_method = eReqMethod_Get; } user_header = s_AdjustNetParams(uuu->service, net_info, req_method, NCBID_WEBPATH, SERV_NCBID_ARGS(&info->u.ncbid), 0, user_header, info->mime_t, info->mime_s, info->mime_e, 0); break; case fSERV_Http: case fSERV_HttpGet: case fSERV_HttpPost: /* Connection directly to CGI */ req_method = info->type == fSERV_HttpGet ? eReqMethod_Get : (info->type == fSERV_HttpPost ? eReqMethod_Post : eReqMethod_Any); user_header = "Client-Mode: STATELESS_ONLY\r\n"; /*default*/ user_header = s_AdjustNetParams(uuu->service, net_info, req_method, SERV_HTTP_PATH(&info->u.http), SERV_HTTP_ARGS(&info->u.http), 0, user_header, info->mime_t, info->mime_s, info->mime_e, 0); break; case fSERV_Standalone: if (!net_info->stateless) return s_CreateSocketConnector(net_info, 0, 0); /* Otherwise, it will be a pass-thru connection via dispatcher */ user_header = "Client-Mode: STATELESS_ONLY\r\n"; /*default*/ user_header = s_AdjustNetParams(uuu->service, net_info, eReqMethod_Post, 0, 0, 0, user_header, info->mime_t, info->mime_s, info->mime_e, 0); but_last = 1/*true*/; break; default: user_header = 0; break; } } else { EMIME_Type mime_t; EMIME_SubType mime_s; EMIME_Encoding mime_e; if (net_info->stateless || (info && (info->u.firewall.type & fSERV_Http))) { if (info) { req_method = info->u.firewall.type == fSERV_HttpGet ? eReqMethod_Get : (info->u.firewall.type == fSERV_HttpPost ? eReqMethod_Post : eReqMethod_Any); net_info->stateless = 1/*true*/; } else req_method = eReqMethod_Any; } else req_method = eReqMethod_Get; if (info) { mime_t = info->mime_t; mime_s = info->mime_s; mime_e = info->mime_e; } else { mime_t = eMIME_T_Undefined; mime_s = eMIME_Undefined; mime_e = eENCOD_None; } /* Firewall/relay connection to dispatcher, special tags */ user_header = net_info->stateless ? "Client-Mode: STATELESS_ONLY\r\n" /*default*/ : "Client-Mode: STATEFUL_CAPABLE\r\n"; user_header = s_AdjustNetParams(uuu->service, net_info, req_method, 0, 0, 0, user_header, mime_t, mime_s, mime_e, 0); } if (!user_header) return 0; if ((iter_header = SERV_Print(uuu->iter, net_info, but_last)) != 0) { size_t uh_len; if ((uh_len = strlen(user_header)) > 0) { char* ih; size_t ih_len = strlen(iter_header); if ((ih = (char*) realloc(iter_header, ih_len + uh_len + 1)) != 0){ strcpy(ih + ih_len, user_header); iter_header = ih; } free((char*) user_header); } user_header = iter_header; } else if (!*user_header) user_header = 0; /* special case of assignment of literal "" */ if (uuu->user_header) { ConnNetInfo_DeleteUserHeader(net_info, uuu->user_header); free((void*) uuu->user_header); } uuu->user_header = user_header; if (user_header && !ConnNetInfo_OverrideUserHeader(net_info, user_header)) return 0; if (!second_try) { ConnNetInfo_ExtendUserHeader (net_info, "User-Agent: NCBIServiceConnector/" DISP_PROTOCOL_VERSION #ifdef NCBI_CXX_TOOLKIT " (C++ Toolkit)" #else " (C Toolkit)" #endif "\r\n"); } if (!net_info->stateless && (!info || info->type == fSERV_Firewall || info->type == fSERV_Ncbid)) { /* Auxiliary HTTP connector first */ EIO_Status status = eIO_Success; CONNECTOR c; CONN conn; /* Clear connection info */ uuu->host = 0; uuu->port = 0; uuu->ticket = 0; net_info->max_try = 1; c = HTTP_CreateConnectorEx(net_info, (uuu->params.flags & fHCC_Flushable) | fHCC_SureFlush/*flags*/, s_ParseHeader, 0/*adj.info*/, uuu/*adj.data*/, 0/*cleanup.data*/); /* Wait for connection info back (error-transparent by DISPD.CGI) */ if (c && (status = CONN_Create(c, &conn)) == eIO_Success) { CONN_SetTimeout(conn, eIO_Open, timeout); CONN_SetTimeout(conn, eIO_ReadWrite, timeout); CONN_SetTimeout(conn, eIO_Close, timeout); CONN_Flush(conn); /* This also triggers parse header callback */ CONN_Close(conn); } else { const char* error = c ? IO_StatusStr(status) : 0; CORE_LOGF_X(4, eLOG_Error, ("[%s] Unable to create auxiliary HTTP %s%s%s", uuu->service, c ? "connection" : "connector", error && *error ? ": " : "", error ? error : "")); assert(0); } if (!uuu->host) return 0/*failed, no connection info returned*/; if (uuu->host == (unsigned int)(-1)) { /* Firewall mode only in stateful mode, fallback requested */ assert((!info || info->type == fSERV_Firewall) && !second_try); /* Try to use stateless mode instead */ net_info->stateless = 1/*true*/; return s_Open(uuu, timeout, info, net_info, 1/*second try*/); } SOCK_ntoa(uuu->host, net_info->host, sizeof(net_info->host)); net_info->port = uuu->port; return s_CreateSocketConnector(net_info, &uuu->ticket, uuu->ticket ? sizeof(uuu->ticket) : 0); } return HTTP_CreateConnectorEx(net_info, (uuu->params.flags & (fHCC_Flushable | fHCC_NoAutoRetry)) | fHCC_AutoReconnect, s_ParseHeader, s_AdjustNetInfo, uuu/*adj.data*/, 0/*cleanup.data*/); }
/* This callback is only for services called via direct HTTP */ static int/*bool*/ s_AdjustNetInfo(SConnNetInfo* net_info, void* data, unsigned int n) { SServiceConnector* uuu = (SServiceConnector*) data; const char* user_header; const SSERV_Info* info; assert(n != 0); /* paranoid assertion :-) */ if (uuu->net_info->firewall && !uuu->net_info->stateless) return 0; /*cannot adjust firewall stateful client*/ for (;;) { if (!(info = s_GetNextInfo(uuu))) return 0/*false - not adjusted*/; /* Skip any 'stateful_capable' or unconnectable entries here, * which might have left behind by either a failed stateful * dispatching with a fallback to stateless HTTP mode or * a too relaxed server type selection */ if (!info->sful && info->type != fSERV_Dns) break; } {{ char* iter_header = SERV_Print(uuu->iter, 0, 0); switch (info->type) { case fSERV_Ncbid: user_header = "Connection-Mode: STATELESS\r\n"; /*default*/ user_header = s_AdjustNetParams(uuu->service, net_info, eReqMethod_Post, NCBID_WEBPATH, SERV_NCBID_ARGS(&info->u.ncbid), uuu->net_info->args, user_header, info->mime_t, info->mime_s, info->mime_e, iter_header); break; case fSERV_Http: case fSERV_HttpGet: case fSERV_HttpPost: user_header = "Client-Mode: STATELESS_ONLY\r\n"; /*default*/ user_header = s_AdjustNetParams(uuu->service, net_info, info->type == fSERV_HttpGet ? eReqMethod_Get : (info->type == fSERV_HttpPost ? eReqMethod_Post : eReqMethod_Any), SERV_HTTP_PATH(&info->u.http), SERV_HTTP_ARGS(&info->u.http), uuu->net_info->args, user_header, info->mime_t, info->mime_s, info->mime_e, iter_header); break; case fSERV_Standalone: case fSERV_Firewall: user_header = "Client-Mode: STATELESS_ONLY\r\n"; /*default*/ user_header = s_AdjustNetParams(uuu->service, net_info, eReqMethod_Post, uuu->net_info->path, 0, uuu->net_info->args, user_header, info->mime_t, info->mime_s, info->mime_e, iter_header); break; default: if (iter_header) free(iter_header); user_header = 0; break; } }} if (!user_header) return 0/*false - not adjusted*/; if (uuu->user_header) { assert(*uuu->user_header); ConnNetInfo_DeleteUserHeader(net_info, uuu->user_header); free((void*) uuu->user_header); } if (*user_header) { uuu->user_header = user_header; if (!ConnNetInfo_OverrideUserHeader(net_info, user_header)) return 0/*false - not adjusted*/; } else uuu->user_header = 0; if (info->type == fSERV_Ncbid || (info->type & fSERV_Http)) { SOCK_ntoa(info->host, net_info->host, sizeof(net_info->host)); net_info->port = info->port; } else { strcpy(net_info->host, uuu->net_info->host); net_info->port = uuu->net_info->port; } return 1/*true - adjusted*/; }