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f9a28cd b1cfe1b 11486ce b1cfe1b 11486ce c7d34c1 b1cfe1b 96bdf6c c7d34c1 e445b51 c7d34c1 f9a28cd c7d34c1 11486ce c7d34c1 e445b51 c7d34c1 11486ce c7d34c1 e445b51 b1cfe1b e445b51 c7d34c1 e445b51 c7d34c1 11486ce e445b51 11486ce e445b51 f9a28cd b1cfe1b f9a28cd b1cfe1b 96bdf6c f9a28cd a2c232b f9a28cd 96bdf6c f9a28cd 96bdf6c f9a28cd 11486ce 96bdf6c c7d34c1 e445b51 c7d34c1 b1cfe1b c7d34c1 e445b51 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 | import { CHANNEL_REQUEST_MODES, CHANNEL_REQUEST_MODE_ADMIN_CONTROL } from '@/lib/channel-request-mode';
import { getChannelPoolSummary, toPublicChannelFailure } from '@/lib/channel-router';
import { summarizeImageUpstreamProfile } from '@/lib/image-upstream-profile';
import {
readImageGenerationBackend,
readImageStreamMode,
readImageStreamingStrategy
} from '@/lib/image-upstream-strategy';
import { summarizeOpenAIImageTransport } from '@/lib/openai-image-transport';
import { getServerChannelState } from '@/lib/server-channel-router';
import { readBooleanEnv, readPositiveIntegerEnv } from '@/lib/server-runtime';
import { computeStreamingBatchRecommendation } from '@/lib/streaming-batch';
import { getWebuiImageCleanupSummary } from '@/lib/webui-image-cleanup-runtime';
import { NextResponse } from 'next/server';
const RESPONSES_IMAGE_BACKEND_REQUIRED_ENV = ['ENABLE_RESPONSES_IMAGE_BACKEND'] as const;
const RESPONSES_IMAGE_BACKEND_OPTIONAL_ENV = ['OPENAI_RESPONSES_API_MODEL'] as const;
export async function GET() {
try {
const serverChannelState = getServerChannelState();
const summary = getChannelPoolSummary(serverChannelState.config);
const healthSummary = serverChannelState.router?.getHealthSummary();
const requestModeHealthSummary = serverChannelState.router?.getRequestModeHealthSummary();
const maxStreamsPerCredential = readPositiveIntegerEnv(process.env, 'OPENAI_MAX_STREAMS_PER_CREDENTIAL', 1);
const channelQueueSummary = serverChannelState.channelCapacityQueue.summary();
const responsesImageBackendEnabled = readBooleanEnv(process.env, 'ENABLE_RESPONSES_IMAGE_BACKEND');
const responsesImageBackendHasDefaultModel = Boolean(process.env.OPENAI_RESPONSES_API_MODEL?.trim());
const responsesImageBackendMissingEnv = readResponsesImageBackendMissingEnv(process.env);
const recommendedStreamingConcurrency = computeStreamingBatchRecommendation({
credentialCount: healthSummary?.healthyCredentialCount ?? summary.credentialCount,
maxStreamsPerCredential,
strategy: summary.strategy
});
const upstreamProfile = summarizeImageUpstreamProfile({
serverProfiles: summary.channels.map((channel) => channel.effectiveProfile)
});
const providerManifests = summary.channels
.filter((channel) => channel.providerManifest)
.map((channel) => ({
channelId: channel.id,
manifest: channel.providerManifest
}));
return NextResponse.json({
streaming: {
defaultBackend: readImageGenerationBackend(new FormData(), process.env),
defaultMode: readImageStreamMode(new FormData(), process.env),
defaultStrategy: readImageStreamingStrategy(new FormData(), process.env),
unavailableMarkScope: 'channel+backend+strategy+operation',
availability: serverChannelState.streamingAvailability.summary()
},
streamingBatch: {
enabled: true,
recommendedConcurrency: recommendedStreamingConcurrency,
requestCredentialConcurrency: maxStreamsPerCredential,
healthyCredentialCount: healthSummary?.healthyCredentialCount ?? summary.credentialCount,
unhealthyCredentialCount: healthSummary?.unhealthyCredentialCount ?? 0,
channelCount: healthSummary?.channelCount ?? summary.channelCount,
healthyChannelCount: healthSummary?.healthyChannelCount ?? summary.channelCount,
unhealthyChannelCount: healthSummary?.unhealthyChannelCount ?? 0,
lastFailure: toPublicChannelFailure(healthSummary?.lastFailure)
},
channelQueue: {
enabled: channelQueueSummary.enabled,
capacityPerCredential: channelQueueSummary.capacityPerKey,
maxWaitMs: channelQueueSummary.maxWaitMs,
maxSize: channelQueueSummary.maxSize,
active: channelQueueSummary.active,
queued: channelQueueSummary.queued,
credentials: channelQueueSummary.keys.map((item) => ({
credentialId: item.key,
active: item.active,
queued: item.queued
}))
},
channelRecovery: {
failureCooldownEnabled: serverChannelState.channelRecovery.failureCooldownEnabled,
failureCooldownMs: serverChannelState.channelRecovery.failureCooldownMs,
requireProbeForRecovery: serverChannelState.channelRecovery.requireProbeForRecovery,
pendingProbeCredentialCount: healthSummary?.pendingRecoveryProbeCredentialCount ?? 0,
pendingProbeChannelCount: healthSummary?.pendingRecoveryProbeChannelCount ?? 0,
probe: serverChannelState.channelRecoveryProber?.summary()
},
channelRouting: {
strategy: summary.strategy,
credentialCount: summary.credentialCount,
channelCount: summary.channelCount,
supportedRequestModes: CHANNEL_REQUEST_MODES,
configuredRequestModes:
requestModeHealthSummary?.configuredRequestModes ??
(summary.credentialCount > 0 ? CHANNEL_REQUEST_MODES : []),
effectiveRequestModes:
requestModeHealthSummary?.effectiveRequestModes ??
(summary.credentialCount > 0 ? CHANNEL_REQUEST_MODES : []),
defaultRequestModePriority:
requestModeHealthSummary?.defaultRequestModePriority ??
CHANNEL_REQUEST_MODE_ADMIN_CONTROL.defaultPriority,
requestModeControls: CHANNEL_REQUEST_MODE_ADMIN_CONTROL,
requestModeHealth: requestModeHealthSummary?.modes ?? [],
upstreamProxyByChannel: summary.channels.map((channel) => ({
channelId: channel.id,
upstreamProxy: channel.upstreamProxy
})),
requestModesByChannel: summary.channels.map((channel) => ({
channelId: channel.id,
requestModes: channel.requestModes,
requestModePriority: channel.requestModePriority
})),
effectiveRequestModesByChannel:
requestModeHealthSummary?.effectiveRequestModesByChannel ??
summary.channels.map((channel) => ({
channelId: channel.id,
requestModes: channel.requestModes,
requestModePriority: channel.requestModePriority
}))
},
upstreamProfile,
imageTransport: summarizeOpenAIImageTransport(process.env),
providerManifests,
webuiImageCleanup: await getWebuiImageCleanupSummary(process.env),
responsesImageBackend: {
enabled: responsesImageBackendEnabled,
mode: 'experimental',
requiredEnv: [...RESPONSES_IMAGE_BACKEND_REQUIRED_ENV],
optionalEnv: [...RESPONSES_IMAGE_BACKEND_OPTIONAL_ENV],
hasDefaultModel: responsesImageBackendHasDefaultModel,
missingEnv: responsesImageBackendMissingEnv
}
});
} catch (error) {
return NextResponse.json({ error: error instanceof Error ? error.message : '配置错误' }, { status: 500 });
}
}
function readResponsesImageBackendMissingEnv(env: Record<string, string | undefined>): string[] {
const missing: string[] = [];
if (!readBooleanEnv(env, 'ENABLE_RESPONSES_IMAGE_BACKEND')) {
missing.push('ENABLE_RESPONSES_IMAGE_BACKEND');
}
return missing;
}
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